Mercurial > hg > aboriginal
annotate www/news.html @ 1707:427a9002ab2a draft
Toybox 0.5.1.
author | Rob Landley <rob@landley.net> |
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date | Wed, 19 Nov 2014 23:08:31 -0600 |
parents | 5a57035b1946 |
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1 <html> |
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2 <title>Aboriginal Linux - We cross compile so you don't have to.</title> |
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3 <body> |
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4 <!--#include file="header.html" --> |
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6 <b><h1>News</h1></b> |
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8 <hr /><h2><a name="26-09-2014" />September 26, 2014</h2> |
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9 <p>Aboriginal Linux <a href=downloads/aboriginal-1.2.9.tar.bz2>1.2.9</a> |
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10 is out, based on <a href=/hg/aboriginal/shortlog/1688>hg 1688</a>, using |
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11 Linux 3.16 and toybox 0.4.9.</p> |
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12 |
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13 <p>Just the two package upgrades this time, I was still a kernel release |
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14 behind and I didn't upgrade toybox to the release back in June. New version |
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15 of each coming up in a week or so, so another catch-up release.</p> |
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16 |
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17 <p>This also goes back to using busybox's cpio for now, because the linux |
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18 from scratch build uses the as yet unimplemented cpio -s (in toybox source |
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19 control, but not in the 0.4.9 release).</p> |
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20 |
1686 | 21 <hr /><h2><a name="09-09-2014" />September 9, 2014</h2> |
22 <p>Aboriginal Linux <a href=downloads/aboriginal-1.2.8.tar.bz2>1.2.8</a> | |
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23 is out, based on <a href=/hg/aboriginal/shortlog/1684>hg 1684</a>, using Linux |
1686 | 24 3.15 and a new ccwrap supporting musl-libc.</p> |
25 | |
26 <p>This is an interim release. An upgrade to linux 3.16 and a new toybox | |
27 release are pending.</p> | |
28 | |
29 <p>The big news is the new option to build musl-libc images with the new config | |
30 knob MUSL=1, although the default is still uClibc for the moment because | |
31 everything needs to be retested thoroughly, and not all targets are supported | |
32 by musl yet.</p> | |
33 | |
34 <p>Making even this much work required a from-scratch rewrite of ccwrap.c | |
35 (which started life as the old uClibc compiler wrapper, before they gave up | |
36 and started buildroot, and is thus full of uClibc-specific assumptions). | |
37 This rewrite caused regressions galore, and just making uClibc work again | |
38 with the new wrapper (for regression testing purposes) took a lot longer | |
39 than expected. It's back to building Linux From Scratch 6.8 with uClibc | |
40 again: next up is to build those same packages with musl. (And upgrade toybox, | |
41 and to the 3.16 kernel...)</p> | |
42 | |
43 <p>The new musl targets are still a bit... wobbly. Static linking against | |
44 musl works, dynamic needs fixing. (It looks like -Bsymbolic-functions | |
45 in the linker isn't always working yet.)</p> | |
46 | |
47 <p>Other bugfixes: patch toybox not to build break when uClibc does something | |
48 stupid with iconv.h. (New toybox release has a proper fix, but that's for next | |
49 time.) SYSIMAGE_TYPE=initramfs is using the right image name | |
50 again. The usr/src directory now has a hello.c (the README said it did, | |
51 but only the C++ and threaded versions were actually there).</p> | |
52 | |
53 <p>The sh4 kernel config is no longer forcing CONFIG_EXPERT (that | |
54 patch should probably go upstream at some point, but after the number | |
55 of years perl removal took it's hard to muster any enthusiasm for engaging | |
56 with linux-kernel. Oh, and the qemu commit that broke signal handling | |
57 in qemu 2.x was qemu git 02c4bdf1d2ca, I pinged qemu-devel about that but in | |
58 case you want to revert locally and rebuild your qemu-system-sh4... It | |
59 works fine for automated native builds either way, but interactive use | |
60 is inconvenient when ctrl-c kills the _emulator_ instead of passing through | |
61 to the shell instance.)</p> | |
62 | |
63 <p>Speaking of qemu upgrades, two kernel patches went away: the sh4 one to | |
64 not touch register 18 (qemu no longer exits over that), and qemu's powerpc | |
65 board can now emulate 4 drives hooked up to the primary disk controller, so we | |
66 don't need to use the cdrom controller to get an hdc, which means native | |
67 builds don't need us to patch Linux's insane scsi device probing ("throw all | |
68 the devices in a big pot and give it a stir, then grab one at random to be | |
69 sda") to align qemu's idea of -hda, -hdb, and -hdc with what Linux hallucinates | |
70 them to be. (Now there's only one controller and the Linux scsi guys are still | |
71 working on screwing up device ordering _within_ a single controller.)</p> | |
72 | |
73 <p>Bobby Bingham sent in a patch to stop yet another hardwired path | |
74 stupidity where gcc was still reaching around ccwrap.c to screw up. | |
75 (Rewriting the path to start with --nostdinc --nostdlib isn't quite _enough_ | |
76 to get gcc to stop imagining paths to check; you have to patch out bits | |
77 o the C code that try to grab random stuff, because gnu.)</p> | |
78 | |
79 <p>Also, more/record-commands.sh infrastructure got upgraded to record the | |
80 second half of the host-tools build (rebuilding the wrapper directory each | |
81 time we add something to build/host, but in a way that _doesn't_ rebuild | |
82 the directory if it already exists to avoid interfering with multiple | |
83 parallel builds ala FORK=1 more/build.sh).</p> | |
84 | |
85 <hr /><h2><a name="03-05-2014" />May 3, 2014</h2> | |
1651 | 86 <p>Aboriginal Linux <a href=downloads/aboriginal-1.2.7.tar.bz2>1.2.7</a> |
87 is out, based on <a href=/hg/aboriginal/1649>hg 1649</a>, using | |
88 Linux 3.14, and toybox 0.4.8.</p> | |
89 | |
90 <p>Overdue maintenance release to catch up to the kernel. Yes, we skipped a | |
91 kernel release. And I meant to upgrade to busybox 1.22.1 | |
92 but thought I already had because the last digit matched. And the musl | |
93 switchover isn't finished yet. Yeah, my todo list still runneth over, and | |
94 most of it's going to toybox.</p> | |
95 | |
96 <p>At least the native stuff is building a new dropbear version. (Remember: | |
97 the NSA didn't put the goto fail exploit in iOS, or the other goto fail | |
98 exploit in gnutls, or the heartbleed bug into openssl, and I can't WAIT to | |
99 see what they didn't do to dropbear.)</p> | |
100 | |
101 <p>Tested under qemu 2.0, and in fact powerpc requires it because /dev/hdc | |
102 moved. (Don't ask me why qemu-system-sh4 kills the emulator | |
103 when you hit ctrl-c, it's been doing that for a while. They left the terminal | |
104 in cooked mode and didn't intercept signals and I should probably poke them | |
105 about that. It's on the todo list...)</p> | |
106 | |
1686 | 107 <hr /><h2><a name="19-09-2013" />November 19, 2013</h2> |
1640 | 108 <p>Aboriginal Linux <a href=downloads/aboriginal-1.2.6.tar.bz2>1.2.6</a> |
109 is out, based on <a href=/hg/aboriginal/1638>hg 1638</a>, using | |
110 Linux 3.12 and toybox 0.4.7.</p> | |
111 | |
112 <p>There's a bugfix for hosts using patch 2.7.x, and creating sparse disk | |
113 images for the native builds uses the "truncate" command now rather than dd. | |
114 Gunter Roeck fixed a build regression if you want to build ext2 system images, | |
115 and Patrick Lauer made the smoketest timeout configurable (and extended the | |
116 default to 3 minutes).</p> | |
117 | |
118 <p>(I'm way behind on email and distracted by other things. Hoping to get | |
119 more done next release, but meantime here's an update to the new kernel. | |
120 Tested against qemu 1.6.1, the usual suspects seem to work fine so far.)</p> | |
121 | |
1686 | 122 <hr /><h2><a name="17-09-2013" />September 17, 2013</h2> |
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123 <p>Aboriginal Linux <a href=downloads/aboriginal-1.2.5.tar.bz2>1.2.5</a> |
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124 is out, based on <a href=/hg/aboriginal/shortlog/1627>hg 1627</a> and using Linux for Workgroups |
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125 (3.11) and toybox 0.4.6.</p> |
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126 |
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127 <p>Same versions of the other packages as last time, even busybox and uClibc. |
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128 The musl migration is coming but didn't quite make it this release. |
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129 The busybox to toybox migration continues, with toybox now supplying grep and |
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130 umount. This leaves busybox providing:</p> |
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131 |
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132 <blockquote><p> |
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133 ash awk bunzip2 bzip2 cpio dd diff expr fdisk find ftpd ftpget ftpput |
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134 gunzip gzip install less lspci man mount pgrep ping pkill ps route sed |
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135 sh sha512sum tar test tr unxz vi wget xzcat zcat |
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136 </p></blockquote> |
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137 |
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138 <p>(Several of which are already in the toybox "pending" directory defaulting |
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139 to "n" while they await review and cleanup.)</p> |
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140 |
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141 <p>If you use qemu 1.6.0, note that mips and sparc networking are broken. |
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142 1.5.0 works. No, I don't know what the qemu guys are using for regression |
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143 testing either.</p. |
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144 |
1686 | 145 <hr /><h2><a name="07-07-2013" />July 7, 2013</h2> |
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146 <p>[UPDATE: missed checking in a file, hence the .1 release. Old |
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147 broken tarball's been moved to <a href=downloads/old>old</a>.]</p> |
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148 |
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149 <p>Aboriginal Linux <a href=downloads/aboriginal-1.2.4.1.tar.bz2>1.2.4.1</a> |
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150 is based on <a href=/hg/aboriginal/ref/1612>hg commit 1612</a>, using |
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151 linux 3.10, busybox 1.21.1, and toybox 0.4.5.</p> |
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152 |
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153 <p>Took a while to work around QEMU's <a href=http://lists.nongnu.org/archive/html/qemu-devel/2013-06/msg05325.html>issues with arm</a>, and sparc, and |
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154 sh4, but it's got workarounds for all of them now. That means x86, x86_64, |
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155 mips, mipsel, sparc, sh4, powerpc, and arm all work. (And sparc can actually |
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156 do native builds now, under qemu 1.5.)</p> |
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157 |
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158 <p>The mips64 target is bit-rotted (I think qemu changed out from under it |
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159 somewhere between 1.0 and 1.2), and m68k support in qemu still isn't finished. |
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160 Todo items.</p> |
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161 |
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162 <p>Meanwhile, toybox replaced 4 more commands in the build (mv, stat, ifconfig, |
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163 and split). Upcoming work: I've done part of the architecture to put |
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164 simple-root-filesystem in initramfs (or <a href=http://lkml.indiana.edu/hypermail/linux/kernel/1306.3/04204.html>initmpfs</a>) |
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165 always and splice the native-compiler in at runtime from |
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166 /dev/hda with symlinks, that might be ready next release. And I'm chipping |
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167 away at the switch to musl-libc.org (basically a complete rewrite of |
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168 sources/toys/ccwrap.c to _not_ assume uClibc).</p> |
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169 |
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170 <p>Binaries in the <a href=bin>usual</a> <a href=downloads/binaries>places</a>.</p> |
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171 |
1686 | 172 <hr /><h2><a name="02-04-2013" />April 2, 2013</h2> |
1596 | 173 <p>A long over due release: |
174 <a href=downloads/aboriginal-1.2.3.tar.bz2>1.2.3</a> is based on | |
175 <a href=/hg/aboriginal/ref/1589>hg commit 1589</a>, using busybox 1.21.0, | |
176 toybox 0.4.4, and linux 3.8.</p> | |
177 | |
178 <p>The delay is because qemu 1.3.0 and 1.4.0 both have a | |
179 <a href=https://bugs.launchpad.net/qemu/+bug/1127369>subtle bug</a> | |
180 causing intermittent instability in the native build on all targets, | |
181 which I blamed on everything from toybox to the kernel until working | |
182 out that if I went back _two_ releases to qemu 1.2.0, Linux From Scratch built | |
183 reliably on the various targets. (A bug that | |
184 goes away when you try again is always a pain to track down, you're | |
185 never quite sure whether you've fixed it or just didn't see it this | |
186 time...)</p> | |
187 | |
188 <p>The <a href=about.html>about page</a> got a major facelift, if you haven't | |
189 noticed you might want to give a look.</p> | |
190 | |
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191 <hr /><h2><a name="16-12-2012" />December 16, 2012</h2> |
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192 <p>Another kernel, another release: |
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193 <a href=downloads/aboriginal-1.2.2.tar.bz2>1.2.2</a> is out based on |
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194 <a href=/hg/aboriginal/rev/1576>hg commit 1576</a>. It's got Linux 3.7 |
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195 and toybox 0.4.2.</p> |
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196 |
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197 <p>The native-built binaries for dropbear and strace and such are back. |
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198 (Last time around native building couldn't upload binaries to the host |
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199 because the launcher script was calling busybox netcat to host ftpd, |
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200 but toybox is providing netcat now. I punted because we were close to |
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201 the next kernel release and I wanted to catch up.)</p> |
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202 |
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203 <p>Other than the package upgrades, the rest is pretty minor. |
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204 The <a href=screenshots>screenshots</a> directory is back. Undid some |
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205 minor bit-rot in the i686-virtio target, and a tweak to powerpc so musl can |
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206 build natively on it. (Haven't switched over any targets to build musl on |
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207 the host yet, still chipping away at a ccwrap rewrite.) The |
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208 chroot-splice.sh script is now doing its bind mounts read only.</p> |
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209 |
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210 <hr /><h2><a name="15-11-2012" />November 15, 2012</h2> |
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211 <p>The <a href=downloads/aboriginal-1.2.1.tar.bz2>1.2.1 release</a> is out, |
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212 based on <a href=/hg/aboriginal/rev/1560>hg commit 1560</a>, with linux 3.6 |
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213 (plus some ext4 bugfixes), busybox 1.20.2, and a uClibc config tweak so mdadm |
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214 can auto-scan arrays. Zlib is now at 1.2.7 (used by squashfs in |
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215 host-tools). Toybox and binutils also got updates, as described below.</p> |
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216 |
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217 <p>Toybox was upgraded to 0.4.1 and the build is now using it by default. |
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218 The goal is to eventually replace busybox with <a href=http://landley.net/toybox>toybox</a>, and each release |
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219 from here on is likely to switch over a few more commands. The current |
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220 list is:</p> |
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221 |
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222 <h3>Busybox:</h3> |
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223 <blockquote> |
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224 <p>ash awk bunzip2 bzip2 cp cpio cut dd diff dnsdomainname egrep expr |
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225 fgrep find ftpd ftpget ftpput grep gunzip gzip ifconfig init install less |
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226 losetup lspci man mount mv pgrep ping pkill ps readlink rm route sed sh split |
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227 stat tar test time touch tr umount unxz vi wget xzcat zcat</p> |
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228 </blockquote> |
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229 |
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230 <h3>Toybox:</h3> |
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231 <blockquote><p> |
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232 basename bzcat cal cat catv chgrp chmod chown chroot chvt cksum clear cmp comm |
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233 count date df dirname dmesg dos2unix du echo env false free head help hostname |
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234 id insmod kill killall link ln login logname ls lsmod md5sum mkdir mkfifo mknod |
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235 mkswap mktemp modinfo mountpoint nc netcat nice nohup od oneit passwd patch |
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236 pidof printenv pwd realpath rmdir rmmod seq setsid sha1sum sleep sort swapoff |
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237 swapon switch_root sync tac tail taskset tee true truncate tty uname |
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238 uniq unix2dos unlink unshare uptime usleep vconfig vmstat w wc which whoami |
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239 xargs yes |
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240 <p></blockquote> |
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241 |
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242 <p><a href=http://landley.net/hg/aboriginal/rev/1545>Binutils has been |
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243 upgraded</a> to the last GPLv2 version in the git repo |
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244 (commit 397a64b3, between 2.17 and 2.18), which has the -Bsymbolic-functions |
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245 command required to build |
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246 <a href=http://www.musl-libc.org/faq.html>the musl C library</a>. |
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247 (This version of binutils also claims to have ARMv7 support, but we're not |
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248 using that yet.)</p> |
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249 |
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250 <p>The goal for next release is to replace uClibc with musl for the |
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251 architectures musl currently supports, and to help the musl developers add |
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252 support for the remaining architectures to eventually replace uClibc as |
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253 a cross-compiled package. (New build control images to natively build |
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254 uClibc and glibc chroot environments on an arbitrary target are on the |
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255 todo list. Supporting a libc does not require cross compiling it.)</p> |
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256 |
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257 <p>On the infrastructure side of things, USE_ALT went away. The new way to |
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258 build alternate versions of packages is to just provide a directory of |
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259 extracted source in the "packages" directory, in which case the build will |
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260 use it verbatim (applying patches is your problem).</p> |
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261 |
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262 <p>This means the following works:</p> |
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263 |
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264 <blockquote><pre> |
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265 more/clean.sh |
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266 git clone git://busybox.net/busybox packages/busybox |
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267 ./build.sh i686 |
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268 </pre></blockquote> |
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269 |
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270 <p>If you want to go back to building the tarball versions, either set |
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271 IGNORE_REPOS=busybox (or all), or "rm -rf packages/busybox".</p> |
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272 |
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273 <hr /> |
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274 <h2><a name="22-08-2012" />August 22, 2012</h2> |
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275 <p>After far too long the |
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276 <a href=downloads/aboriginal-1.2.0.tar.bz2>1.2.0 release</a> is out, based |
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277 on <a href=/hg/aboriginal/rev/1535>hg commit 1535</a>. |
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278 Package upgrades are Linux 3.5, uClibc-0.9.33.2, busybox 1.20.0, |
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279 toybox is back in at version 0.4.0, and most targets are finally |
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280 using NPTL instead of pthreads.</p> |
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281 |
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282 <p>Several "how did that ever work" bugs in the build scripts got fixed |
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283 (commits 1513 through 1518, for example). Several other "only occurs on |
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284 a specific distro" bugs also got fixed (a Gentoo one in 1518, a Fedora |
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285 one in 1532). The longstanding uClibc++ build break where it complained |
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286 ".config is a directory" was squashed by 1533.</p> |
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287 |
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288 <p>The new development was mostly prep work for toybox integration and fixing |
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289 bit-rot in record-commands.sh (used to test toybox). There was also a lot of |
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290 dealing with regressions introduced by package upgrades. (Upgrading uClibc |
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291 broke stuff. Upgrading busybox broke stuff. Upgrading the kernel |
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292 broke stuff all three times.)</p> |
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293 |
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294 <p>Busybox is still doing most of the heavy lifting both during the host |
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295 build and on the target, but the baseconfig-busybox file is now sorted with |
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296 toybox-supplied functionality at the end, allowing toybox to replace |
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297 busybox code incrementally as commands become ready.</p> |
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298 |
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299 <p>In future versions I'm looking at migrating this project from busybox/uClibc |
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300 to <a href="http://landley.net/toybox">toybox</a>/<a href=http://www.etalabs.net/musl>musl</a>, producing something compatible with Android's "no GPL in |
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301 userspace". I'm also looking at replacement toolchains, since it may take |
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302 me a while to clear time to work on <a href=http://landley.net/qcc>qcc</a>. |
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303 If you're curious about all that, ask on the mailing list.</p> |
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304 |
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305 <hr /> |
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306 <h2><a name="31-01-2012" />January 31, 2012</h2> |
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307 <p>The <downloads/aboriginal-1.1.1.tar.bz2>1.1.1 release</a> is out, based on |
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308 <a href=/hg/aboriginal/rev/1496>hg commit 1496</a>.</p> |
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309 |
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310 <p>The new release upgrades packages (Linux 3.2, uClibc 0.9.32.1, |
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311 busybox 1.19.3, e2fsprogs 1.41.14), and |
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312 <a href=control-images>natively compiles</a> Linux From Scratch 6.8 |
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313 (which involved adding mkostemp() to uClibc, for util-linux).<p> |
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314 |
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315 <p>The x86 targets now require QEMU 1.0 (because the "qemu" binary got renamed |
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316 "qemu-system-i386"), but the mips targets require the previous |
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317 release due to a regression in the network card emulation (fixed in the source |
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318 repo, but no 1.0.1 is out yet).</p> |
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319 |
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320 <p>On the documentation front, the 2008 "what are we doing and why" |
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321 presentation is now available in |
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322 <a href=https://speakerdeck.com/landley/developing-for-non-x86-targets-using-qemu>HTML format</a>, probably worth reading if you haven't yet. |
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323 The FAQ also grew some <a href=FAQ.html#debug_test>new</a> |
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324 <a href=FAQ.html#new_syscalls>entries</a> (showing how to use more/test.sh |
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325 to rebuild uClibc without redoing a while toolchain, and why powerpc isn't |
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326 as backward compatable as you'd expect).</p> |
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327 |
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328 <p>The long-broken sparc target now supports basic dynamic linking (although |
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329 dynamically linked threading and C++ are still broken).</p> |
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330 |
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331 <p>Busybox is back to using a specified configuration instead of just switching |
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332 on everything. (Busybox's new ubifs commands won't build on Ubuntu 11.10, |
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333 and it's hard to see the command count grow past 300 and keep going without |
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334 humming the "Katamari Damacy" theme.) If we missed a command let |
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335 us know, and you can of course still build busybox defconfig natively. |
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336 (Eventually, we'll start using <a href=/toybox>toybox</a> again, |
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337 which has been relaunched as a BSD-licensed project.)</p> |
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338 |
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339 <p>The build.sh wrapper can now rebuild from any stage, just specify the |
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340 starting point on the command line after the architecture, for example |
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341 "./build.sh i686 simple-root-filesystem" won't rebuild the cross or native |
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342 compilers, or the kernel, but will rebuild the root-filesystem, root-image, |
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343 and system-image stages.</p> |
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344 |
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345 <p>The more/test.sh script now understands "host" as an architecture, for |
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346 testing host-tools builds.</p> |
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347 |
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348 <p>Rename the USE_UNSTABLE variable to USE_ALT since it already uses alt- |
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349 prefixes on the packages and patches. The repository's |
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350 build/patches directory no longer contains "alt-*.patch" symlinks, instead |
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351 a new more/alt-patches.sh script can set them up locally for a given package.</p> |
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352 |
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353 <p>Add record-commands wrapper to target image, "record-commands /mnt/init" runs |
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354 /mnt/init and logs commands to "/tmp/record-commands-log.txt". This way |
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355 you can see what commands target builds are running.</p> |
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356 |
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357 <p>The CPUS calculation, for automatically parallelizing the build on SMP |
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358 systems, now detects hyper-threading and won't stress hyper-threaded systems |
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359 quite so hard as full SMP. The target's sbin/init.sh also has basic CPUS |
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360 detection code now too, since KVM or a chroot can have more than one. (This only |
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361 matters if CPUS isn't set by something else, such as the dev-environment.sh |
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362 wrapper script's distcc setup.)</p> |
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363 |
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364 <p>Several bugfixes, due to insufficient regression testing of previous releases: |
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365 SYSIMAGE_TYPE=ext2 SYSIMAGE_HDA_MEGS was broken, more/smoketest-all.sh was |
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366 looking for static-tools output in the old place, and more/record-command.sh |
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367 only worked with NO_SANITIZE_ENVIRONMENT=1. The target root filesystem's |
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368 init script wasn't detecting a failure to mount devtmpfs (such as when used |
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369 to setup a chroot on a kernel that didn't support it), and falling back to |
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370 mdev -s. And ldd was spewing debug messages. All fixed now.</p> |
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371 |
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372 <hr /> |
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373 <h2><a name="10-02-2011" />October 2, 2011</h2> |
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374 <a href=downloads/aboriginal-1.1.0.tar.bz2>Aboriginal Linux 1.1.0</a> is out, |
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375 based on <a href=/hg/aboriginal/rev/1452>hg commit 1452</a>.</p> |
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376 |
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377 <p>The big news is that Linux From Scratch 6.7 now builds to completion |
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378 under 11 targets, via the <a href=control-images/downloads/binaries/lfs-bootstrap.hdc>lfs-bootstrap</a> <a href=control-images>build control |
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379 image</a>. The remaining platforms all show target-specific issues |
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380 (often just insufficient board support in QEMU) rather than generic |
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381 problems with the build environment. The big bugfix allowing this to happen |
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382 was the m4 build hang (which was a bash bug).</p> |
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383 |
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384 <p>The only upgraded package was BusyBox 1.19.2, but there were several |
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385 performance tweaks and bugfixes, such as:</p> |
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386 |
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387 <ul> |
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388 <li><p>The more/chroot-splice.sh script sets up a chroot using the |
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389 build/root-filesystem-$TARGET directory and a build control image, |
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390 for quickly testing build control images natively (generally using the |
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391 i686 or x86-64 root filesystems).</p></li> |
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392 |
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393 <li><p>The more/buildall-native.sh timeout value is now configurable via the |
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394 TIMEOUT=seconds environment variable (defaulting to 60).</p></li> |
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395 |
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396 <li><p>Tuned the |
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397 more/buildall.sh script in FORK=1 mode to take available memory into account |
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398 determinging CPUS (so it doesn't overload the build machine so easily).</p></li> |
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399 |
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400 <li><p>When |
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401 dev-environment.sh enables distcc it sets CPUS=3 because several current QEMU |
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402 boards support a maximum of 256 megs physical memory.</p></li> |
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403 |
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404 <li><p>The ldd and ldconfig binaries in the cross compilers were target binaries |
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405 instead of host binaries: that's fixed now.</p></li> |
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406 |
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407 <li><p>The virtio targets should now work with dev-environment.sh</p></li> |
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408 <li><p>The test script more/test.sh should no longer delete the output directory |
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409 (build/$STAGE_NAME-$TARGET) at the start of each test, allowing test rebuilds |
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410 of things like uClibc which have target prerequisites.</p></li> |
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411 |
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412 <li><p>The common kernel config now uses the ext4 driver for both ext3 and ext2 |
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413 filesystems.</p></li> |
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414 </ul> |
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415 |
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416 <hr /> |
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417 <h2><a name="08-22-2011" />August 22, 2011</h2> |
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418 <p>The |
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419 <a href=downloads/aboriginal-1.0.3.tar.bz2>1.0.3 release</a> is out, |
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420 based on hg commit |
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421 <a href=http://landley.net/hg/aboriginal/143>1430</a>. |
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422 This release includes the long-awaited Linux 3.0 and uClibc 0.9.32 |
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423 releases, along with BusyBox 1.19.0 (and Dropbear 0.53.1 in the static |
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424 tools).</p> |
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425 |
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426 <p>This release is still using pthreads, but NTPL support is a goal for next |
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427 release. (It's just a uClibc config change.)</p> |
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428 |
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429 <p>The other big news is that the control-images got split out to |
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430 <a href=http://landley.net/hg/control-images>their own repository</a>, |
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431 with <a href=control-images>their own web page</a>.</p> |
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432 |
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433 <p>The Aboriginal Linux project is feature complete ever since the 1.0 |
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434 release, and other than adding support for more targets the only major |
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435 todo items left are a big documentation update, more automation via cron job, |
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436 and enabling NPTL support. (This release is still using pthreads, but NPTL |
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437 support is a goal for next release. It's just a uClibc config change at |
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438 this point, 0.9.32 has support but needs more tweaking and testing.)</p> |
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439 Since control images are not feature complete (and there's really no obvious |
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440 limit to what you can do with them), they deserve to be their own project.</p> |
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441 |
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442 <p>Other changes:</p> |
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443 |
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444 <ul> |
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445 <li> |
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446 <p>The default kernel configuration replaces includes v9fs (as used in virtfs or |
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447 the diod server) instead of the older NFS. In addition Alessio Igor Bogani |
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448 contributed i686-virtio and powerpc-virtio targets, using the new virtio |
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449 infrastructure in KVM to provide efficient emulation-friendly virtual |
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450 devices.</p> |
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451 </li> |
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452 |
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453 <li> |
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454 <p>Several random bugfixes and cleanups (BINARY_PACKAGE_TARBALLS should |
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455 work again, the root filesystems now use devtmpfs instead of mdev).</p> |
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456 </li> |
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457 |
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458 <li> |
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459 <p>Major cleanup on sources/targets, now most entries are a single file. |
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460 The hold hw- prefix stuff went away, now the ones that are files are built |
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461 by more/buildall.sh and the ones that are directories are the derived stuff |
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462 that only gets built if you specify it explicitly. (read_arch_dir is |
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463 now called load_target, and the new base_architecture function reads in |
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464 a base architecture that this one derives from.)</p> |
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465 </li> |
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466 |
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467 <li> |
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468 <p>The new more/smoketest-report.sh produces CSV output with more info. |
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469 (I need to follow this up with a nightly cron job and a pretty |
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470 web page generator.)<p> |
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471 </li> |
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472 </ul> |
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473 |
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474 <hr /> |
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475 <h2><a name="06-14-2011" />June 14, 2011</h2> |
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476 |
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477 <p>The long overdue <a href=downloads/aboriginal-1.0.2.tar.bz2>1.0.2 |
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478 release</a> is out, based on hg commit |
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479 <a href=http://landley.net/hg/aboriginal/1375>1375</a>.</p> |
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480 |
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481 <p>This release includes several bugfixes, package version upgrades for Linux |
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482 (2.6.39), BusyBox (1.18.4), and Squashfs (4.2), and some minor user interface |
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483 tweaks. (Still using uClibc 0.9.31, NTPL is bumped to next release.)</p> |
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484 |
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485 <h2>Targets</h2> |
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486 |
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487 <p>This moves forward three(!) kernel releases (sorry), and although several |
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488 targets bit-rotted along the way (notably armv6l, sh4, and mips) they're all |
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489 fixed now, including some that didn't work last release.</p> |
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490 |
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491 <p>QEMU still doesn't emulate the big endian arm or |
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492 m68k targets, powerpc-440fp needs to be switched to QEMU's -M bamboo board |
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493 emulation now that it can actually emulate a 440, and mips64 and sparc boot |
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494 to a shell prompt but contain bugs in either uClibc or the kernel that make |
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495 them unreliable.</p> |
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496 |
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497 <p>All the other targets can at least natively compile and run |
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498 "hello world", and the arm, x86, mips, and powerpc targets built |
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499 static versions of dropbear and strace (available in the |
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500 <a href=downloads/binaries/extras>extras directory</a>, or by using |
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501 native-build.sh with the static-tools.hdc <a href=downloads/binaries/control-images>control image</a>).</p> |
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502 |
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503 <h2>Bugfixes</h2> |
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504 |
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505 <ul> |
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506 <li>Commit <a href=http://landley.net/hg/aboriginal/rev/1323>1323</a> fixes a |
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507 bad path in the static-tools build)</li> |
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508 <li>Commit <a href=http://landley.net/hg/aboriginal/rev/1327>1327</a> fixes |
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509 ccwrap to understand -xc</li> |
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510 <li>Commit <a href=http://landley.net/hg/aboriginal/rev/1328>1328</a> puts |
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511 libnsl back</li> |
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512 <li>Commit <a href=http://landley.net/hg/aboriginal/rev/1332>1332</a> makes |
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513 #!/bin/sh point to bash instead of hush</li> |
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514 <li>Commit <a href=http://landley.net/hg/aboriginal/rev/1335>1335</a> makes |
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515 download.sh check if sha1sum is installed on the host (so it can fail with a |
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516 better error message)</li> |
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517 <li>Commit <a href=http://landley.net/hg/aboriginal/rev/1344>1344</a> |
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518 serializes scratch disk image creation during parallel builds of all targets (so the |
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519 disk I/O storm doesn't trigger timeouts during native builds of dropbear |
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520 and strace).</li> |
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521 <li>Commit <a href=http://landley.net/hg/aboriginal/rev/1364>1364</a> upgrades |
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522 busybox to fix a wget hang.</li> |
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523 </ul> |
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524 |
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525 <h2>New Control Knobs</h2> |
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526 |
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527 <p>Two new build stages <b>root-image.sh</b> and <b>linux-kernel.sh</b> |
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528 got split out from system-image.sh. The first |
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529 makes a filesystem image from a root filesystem directory, |
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530 the second builds a kernel. This leaves system-image.sh to |
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531 create the qemu launch scripts and bundle it all up into a tarball.</p> |
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532 |
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533 <p>The advantage of the split is you can repackage the root filesystem without rebuilding |
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534 your kernel. (Unless you chose SYSIMAGE_TYPE=initramfs, where the output |
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535 of root-image.sh is a prerequisite to linux-kernel.sh.) The downside is |
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536 you have to remember to call the other scripts before calling system-image.sh |
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537 in order for your changes to wind up in the system image. (If you delete |
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538 the tarball you modified out of the build directory, ./build.sh should still work out |
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539 what it needs to rebuild.)</p> |
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540 |
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541 <p><b>Environment variables:</b> SYSIMAGE_HDA_MEGS now defaults to 2 gigabytes |
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542 (only currently matters for SYSIMAGE_TYPE=ext2). The more/buildall.sh script |
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543 now pays attention to NO_CLEAN and BUILD_NATIVE_ONLY. As always, the |
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544 environment variables are documented in the config file at |
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545 the top of the source tree, and leaving them blank should provide sane |
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546 default behavior.</p> |
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547 |
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548 <p>Two new scripts in the system image's /sbin directory are:</p> |
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549 |
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550 <ul> |
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551 <li><p><b>setup-chroot /home/mydir [COMMAND...]</b></p> |
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552 |
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553 <p>This script copies the system-image's (generally read-only) root filesystem |
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554 into a writeable subdirectory, copies the other mounts ("mount --bind /proc |
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555 /home/mydir/proc" and so on), and chroots into the resulting directory to |
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556 run the rest of the command line. (If no commands are specified, chroot |
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557 runs /bin/sh for an interactive shell prompt.)</p> |
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558 |
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559 <p>When the chroot exits, the script cleans up all the mount points but |
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560 leaves the directory contents.</p> |
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561 |
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562 <p>This lets you use a read-only system image to build and install software |
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563 into a chroot.</p> |
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564 |
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565 <p>If the target directory already exists, the script will just redo the |
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566 --bind mounts, and won't copy files.</p> |
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567 </li> |
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568 |
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569 <li><p><b>zap-chroot</b> - The cleanup script to remove all mounts under a |
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570 specified subdirectory.</p></li> |
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571 </ul> |
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572 |
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573 <p>In the system images, root's home directory is now /home/root so it's |
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574 in known writeable space you can stick a .ssh directory in for dropbear.</p> |
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575 |
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576 <hr /> |
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577 <h2><a name="02-13-2011" />February 13, 2011</h2> |
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578 <p>The repository is back up, and tweaked so it generates correct URLs without |
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579 superfluous cgi names in them.</p> |
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580 |
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581 <p>I see from the release RSS feed (go to repository viewer, then click "tags" |
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582 and then "rss") that we're due for the next release in the first half of March.</p> |
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583 |
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584 <p>I'd better get on that. (I'm aiming for a version of uClibc with NPTL |
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585 working on at least x86/64, arm, mips, and powerpc. There's some work to do |
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586 between now and then...)</p> |
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587 |
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588 <hr /> |
1326 | 589 <h2><a name="02-08-2011" />February 8, 2011</h2> |
590 <p>The website was down again while we switched web hosts, but we're back up | |
591 on dreamhost now, which has buckets more bandwidth and lets us have a | |
592 <a href=http://lists.landley.net/listinfo.cgi/aboriginal-landley.net>mailing | |
593 list</a> again.</p> | |
594 | |
595 <p>I still need to figure out how to enable mercurial on the new host, so | |
596 the repository is down at the moment, but I should get that fixed up | |
597 soon.</p> | |
598 | |
1022 | 599 <hr> |
1320 | 600 <h2><a name="01-02-2011" />January 2, 2011</h2> |
601 <p>It's a month late, but | |
602 <a href=downloads/aboriginal-1.0.1.tar.bz2>Aboriginal Linux 1.0.1</a> is | |
603 finally out, | |
1324 | 604 based on <a href=/hg/aboriginal/shortlog/1318>hg commit |
1320 | 605 1318</a>, using Linux 2.6.36, uClibc 0.9.31, and BusyBox 1.18.0.</p> |
606 | |
607 <b><h3>Automated native build control images</h3></b> | |
608 | |
609 <p>The big news this time is the native build | |
610 <a href=downloads/binaries/control-images>control images</a>, especially | |
611 the one to build Linux From Scratch 6.7.</p> | |
612 | |
613 <p>These control images drive the automated build infrastructure (first | |
614 introduced back around release 0.9.8 and substantially improved since then). | |
615 They allow you to fire up a system image under QEMU and run a completely | |
616 automated native build.</p> | |
617 | |
618 <p>To use a control image, cd into a system-image | |
619 directory and run "./native-build.sh path/to/control-image.hdc". The | |
620 result should wind up in the "uploads" subdirectory. To build control images | |
621 from source, run "more/build-control-images.sh" and look in | |
622 "build/control-images" afterwards. The build scripts live in | |
623 "sources/control-images".</p> | |
624 | |
625 <p>The <a href=downloads/binaries/control-images/lfs-bootstrap.hdc>lfs-bootstrap.hdc</a> | |
626 image builds most of <a href=http://www.linuxfromscratch.org/lfs/view/6.7/>Linux From Scratch 6.7</a>. | |
627 It doesn't replace the toolchain or C library, and stubs out | |
628 internationalization support, but builds everything else (about 50 packages | |
629 total). This build runs to completion reliably on i686, x86_64, and | |
630 armv5l. Making it do that smoked out a lot of subtle bugs and configuration | |
631 issues in the build environment, resulting in much improved system images. | |
632 This LFS build sometimes finishes on mips and powerpc, and | |
633 sometimes randomly dies for various asynchronous reasons that seem like | |
634 something wrong in uClibc's pthreads locking code, although that's just | |
635 a guess. (Since the uClibc developers (finally!) shipped a 0.9.32-rc1 with NPTL | |
636 support on all targets, I expect the fix will involve upgrading. Part of the | |
637 delay in this release was me playing around with that, but I'm releasing a | |
638 checkpoint of the existing code before switching over to the new threading | |
639 implementation.)</p> | |
640 | |
641 <b><h3>What else is new?</h3></b> | |
642 | |
643 <p>I fixed the static "dropbear" binary to call "ssh" out of $PATH instead of | |
644 expecting dbclient at a fixed location, fixed the guest account's | |
645 /etc/passwd and /etc/group entries so dropbear can use it, and added a /root | |
646 directory to the system images so you can add a .ssh directory to it to make | |
647 dropbear happy (possibly by mounting a tmpfs on it first).</p> | |
648 | |
649 <p>Build infrastructure tweaks: sources/download_functions.sh is now its own | |
650 file, and various fixes (only apply patches that end in ".patch") . The root | |
651 filesystem's sbin/init.sh now mounts /dev/pts. Bugfix for | |
652 SIMPLE_ROOT_OVERLAY, and multiple bugfixes in ccwrap.</p> | |
653 | |
654 <p>Lots of tweaks to the native-build stuff. Redo control image generation, | |
655 add bootstrap-skeleton with common code for bootstrapping distros (it has | |
656 its own README), and rebase | |
657 the half-finished gentoo-bootstrap on top of that. Upgrade | |
658 "bisectinate" debugging script to take its test from the command line.</p> | |
659 | |
660 <p>Several tweaks to uClibc to build LFS packages, and tweaks to the | |
661 base kernel config to support NFSv3 and devtmpfs.</p> | |
662 | |
663 <p>The new more/chroot-splice.sh script combines a root filesystem directory | |
664 and a control image directory into a combined version you can chroot into | |
665 and run a build from. (It looks for each in the location the build puts | |
666 them, build/root-filesystem-$ARCH and build/control-images/$IMAGENAME | |
667 respectively.) The new more/zapchroot.sh script unmounts everything under a | |
668 directory, which is useful when playing with a root-filesystem via chroot.</p> | |
669 | |
670 <b><h3>Target support</h3></b> | |
671 | |
672 <p>I've fallen a bit behind on regression testing the targets, and hope to | |
673 catch up next release. (Upgrading the kernel and QEMU breaks things that used | |
674 to work.)</p> | |
675 | |
676 <p>The i486, i586, i686, x86_64, powerpc, armv4l, armv4tl, and armv5l targets | |
677 all work (for me) without qualification.</p> | |
678 | |
679 <p>Last I checked, qemu still didn't support armv4eb or m68k, so I can't | |
680 test those, but they build. (The kernel .config is almost certainly wrong | |
681 for any target you'll actually be able to run them on, but the toolchain | |
682 and root filesystem are probably ok.)</p> | |
683 | |
684 <p>Updating the kernel broke armv6l: attempting to boot it under qemu exits | |
685 with an "unimplemented cp15 register write" error. I'm not sure whether this is | |
686 a kernel bug, a qemu bug the upgrade triggered, or some kind of | |
687 misconfiguration. The proper fix is probably to look at the other arm boards | |
688 QEMU can emulate for newer processors, and switch to one of those.</p> | |
689 | |
690 <p>QEMU had a MIPS bug that prevented the system images from working for a | |
691 version or two (such as the one in Ubuntu 10.04). It's fixed in current | |
692 qemu-git, and isn't actually a problem with the mips, mipsel, or mips64 system | |
693 images, they work fine under older or newer versions of qemu.</p> | |
694 | |
695 <p>Sparc broke again (failure to launch init), and Oracle's patent trolling | |
696 makes it harder than ever to care. It's on the todo list...</p> | |
697 | |
698 <p>The only system image that doesn't current compile is sh4. (As noted in the | |
699 0.9.11 release notes, the sh4 maintainer broke it on purpose, which also makes | |
700 it hard for me to care much about that target.)</p> | |
701 | |
702 <p>The problem with sh4 is once again the kernel, this time a build break:</p> | |
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703 <blockquote> |
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704 arch/sh/kernel/process_32.c:303: error: conflicting types for 'sys_execve'<br /> |
1320 | 705 /home/landley/play/two/build/temp-sh4/linux/arch/sh/include/asm/syscalls_32.h:24: error: previous declaration of 'sys_execve' was here |
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706 </blockquote> |
1320 | 707 |
708 <p>And even if I bothered to fix that, another change in the sh4 code changed | |
709 the serial devices so QEMU's serial console no longer produces output. (Note | |
710 that the sh4 test image on qemu.org uses a 2.6.29 kernel, which may be the last | |
711 time the thing actually worked for anybody who isn't in a financial relationship | |
712 with Renesas.)</p> | |
713 | |
714 <p>Last I checked, QEMU still didn't support armv4eb or m68k, so I can't | |
715 test those. I have patches to make m68k work on aranym and armv6eb work on | |
716 actual big endian arm hardware, but haven't merged them yet.</p> | |
717 </span> | |
718 | |
719 <hr> | |
1271
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720 <h2><a name="11-03-2010" />November 3, 2010</h2> |
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721 <p>My apologies for the lack of notice, the impactlinux.com domain unexpectedly |
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722 went away saturday. The landley.net mirror is still up, and is |
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723 becoming the main site again for the moment despite its' limited bandwidth. |
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724 I'll see if I can recover the mailing list subscriptions, but I wouldn't |
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725 count on it.</p> |
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726 |
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727 <p>Still working on the next release, currently scheduled for around the start |
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728 of December. Until we get a new mailing list, the |
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729 <a href=/hg/aboriginal>source control log</a> shows what's changing, and |
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730 you can always email me directly, rob at landley dot net.</p> |
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731 |
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732 <hr> |
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733 <h2><a name="09-05-2010" />September 5, 2010</h2> |
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734 <p>There's an old saying, "eventually you need to shoot the |
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735 engineers and go into production". Aboriginal Linux can now bootstrap a |
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736 native development environment on an arbitrary target, and build packages |
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737 under the result. There's always more to do, but it does what it set |
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738 out to do. And thus:</p> |
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739 |
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740 <p><a href=downloads/aboriginal-1.0.0.tar.bz2>Aboriginal Linux 1.0</a> is out, |
1324 | 741 based on <a href=/hg/aboriginal/shortlog/1238>hg commit |
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742 1238</a>, using Linux 2.6.35, uClibc 0.9.31, and BusyBox 1.17.2.</p> |
1237
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743 |
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744 <p>Yes, it's been over five months since the last release. I didn't want to |
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745 ship yet another intermediate release before doing 1.0, but I was trying |
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746 to run out of todo items before shipping. (Yeah, I should know better. |
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747 Sorry for the delay.)</p> |
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748 |
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749 <p>The following are release notes, not proper documentation. Proper |
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750 documentation (including an introduction to the whole thing) is the next |
1237
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751 big TODO item.</p> |
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752 |
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753 <b><h3>Targets</h3></b> |
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754 |
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755 <p>The arm, mips, powerpc, and x86 targets all work. Sparc works statically |
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756 linked, but dynamic linking is still broken. Khem Raj fixed mips64 dynamic |
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757 linking, but the native compiler still doesn't work. The m68k target builds |
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758 again, although QEMU still doesn't emulate it. The sh4 target and big endian |
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759 arm are are still broken.</p> |
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760 |
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761 <p>The snapshots page needs updating. The documentation needs updating.</p> |
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762 |
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763 <b><h3>System image updates</h3></b> |
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764 |
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765 <p>The native-build.sh script moved into each system image. This means you |
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766 can now download a system image tarball and a control image, then run a |
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767 native build without any dependencies on the Aboriginal Linux build scripts. |
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768 This script is a wrapper around dev-environment.sh which takes one argument, |
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769 the name of the control image file.</p> |
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|
770 |
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771 <p>The build only puts dev-environment.sh and run-from-build.sh into a |
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772 system image when the system image includes native development tools.</p> |
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773 |
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774 <b><h3>Control Images</h3></b> |
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|
775 |
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776 <p>This release adds prebuilt binary build control images, generated |
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777 by more/build-control-images.sh and shipped in the |
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778 <a href=downloads/binaries/control-images>control-images</a> directory. |
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779 These are squashfs filesystems containing source code and an init script to |
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780 build it and upload it to the host (using the $FTP_SERVER and $FTP_PORT |
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781 variables, set by native-build.sh).</p> |
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|
782 |
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783 <p>If these |
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784 images are loaded into /dev/hdc of the emulated system, the system image's |
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785 init script will mount that on /mnt and run /mnt/init instead of a shell |
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786 prompt, so the build is completely automated.</p> |
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|
787 |
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788 <p>Control images are provided to build hello world, build static dropbear |
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789 and strace binaries, run the busybox test suite, and an in-progress script |
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790 to bootstrapping Gentoo Stage 1 does about the first 2/3 of the job.</p> |
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791 |
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792 <b><h3>Root filesystem improvements</h3></b> |
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|
793 |
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794 <p>The root filesystem broke into two stages: simple-root-filesystem just |
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795 contains a simple "defconfig busybox plus uClibc" system, enough to boot |
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796 to a shell prompt. The native-compiler stage is like cross-compiler only |
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797 unprefixed, built to run on the target, and including make, bash, and |
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798 distcc. The root-filesystem stage combines the two into a single root |
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799 filesystem with native development tools.</p> |
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|
800 |
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|
801 <p>If the root filesystem is mounted read only, the init script will now |
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802 mount a tmpfs on /home if there's no /dev/hdb to provide writeable scratch |
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803 space. Chroot environments should now use Google's 8.8.8.8 nameserver |
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804 by default. The distcc binaries moved out of /bin to the /distcc directory.</p> |
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|
805 |
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806 <p>The "oneit" binary became a standalone program, and uses the / directory |
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807 as PID 1's working directory, allowing you to umount /home if necessary. |
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808 Toybox's "patch" command went upstream into busybox, and busybox's defconfig |
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809 once again supports netcat server mode, so toybox was removed. We're now |
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810 using a defconfig busybox, so configuring it properly is their problem.</p> |
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|
811 |
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812 <b><h3>Build scripts </h3></b> |
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|
813 |
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814 <p>The kernel configuration got collated to sources/baseconfig-linux (just |
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815 like baseconfig-uClibc), and the various packages were migrated to use |
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816 that. The kernel config is now the baseconfig plus the settings |
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817 entry $LINUX_CONFIG. You can still supply a miniconfig-linux file to |
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818 override this, and some architectures still do that. The ones that have |
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819 been migrated to use a shared baseconfig are a lot more regular now, |
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820 and the differences between architectures broken out and isolated.</p> |
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|
821 |
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822 <p>The build stages were broken up to be more granular. The root-filesystem.sh |
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823 stage now merely collates the output of two previous stages: |
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824 simple-root-filesystem.sh (which produces just enough of a root filesystem |
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825 to boot to a shell prompt, based on uClibc and busybox plus a few init scripts |
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826 and config files), and native-compiler.sh (a portable native toolchain).</p> |
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827 |
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828 <p>The system-image.sh stage now generates the dev-environment.sh script. |
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829 It only puts dev-environment.sh and native-build.sh scripts in the tarball |
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830 when NO_NATIVE_COMPILER is blank (and thus the build includes native |
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831 development tools), or if root-filesystem isn't available in which case |
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832 it'll automatically use simple-root-filesystem.</p> |
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833 |
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834 <p>Several more package builds were moved to sources/sections.</p> |
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835 |
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836 <p>The new "more" subdirectory collects together all the user-runnable |
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837 scripts that aren't build stages. (Many of these were previously in |
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838 sources/more.) New scripts in this directory include:</p> |
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|
839 |
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|
840 <ul> |
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841 <li>Scripts to run newly built system images out of the build directory |
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842 ("run-emulator-from-build.sh $ARCH", "dev-environment-from-build.sh $ARCH", |
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843 and "native-build-from-build.sh")</li> |
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844 |
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845 <li>test.sh - Wrapper script to run commands in the build environment, with |
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846 read_arch_dir loaded. Useful for things like |
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847 "STAGE_NAME=simple-cross-compiler more/test.sh sparc build_stage uClibc", |
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848 or to dump the build context's environment variables ala "more/test.sh env"</li> |
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849 |
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850 <li>timeout.sh $SECONDS command... - Wrapper to run a child process and |
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851 kill it if it doesn't produce a line of output for $SECONDS seconds.</li> |
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852 |
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853 <li>build-control-images.sh - build all control images from sources/native-builds.</li> |
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854 |
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855 <li>for-each-target.sh - iterate through every defined target architecture |
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856 and run a command.</li> |
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857 </ul> |
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858 |
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859 <b><h3>Website</h3></b> |
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860 |
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861 <p>A new cron job is populating the |
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862 <a href=downloads/binaries/snapshots>snapshots</a> directory. Currently only |
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863 the stable versions, but the unstable versions should wander back in |
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864 eventually. (When the bisectinate and migrate-kernel scripts catch up to |
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865 what they need to do to properly test unstable packages.)</p> |
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866 |
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867 <p>More documentation: The "about" page got redone, and the FAQ was fluffed |
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868 out with a new debugging section. Michael S. Zick wrote up mips docs for the |
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869 architecture page, and the build scripts grew even more comments.</p> |
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870 |
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871 <b><h3>General Infrastructure</h3></b> |
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872 |
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873 <p>The control image generation was upgraded so each control image |
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874 source can have its own patch directory and file directory. (This needs |
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875 more work.)</p> |
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876 |
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877 <p>Environment variable sanitization: the sanitize_environment function |
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878 unsets any environment variable it doesn't recognize, either from a whitelist |
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879 or from config. Clearing all unrecognized environment variables insulates |
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880 the build from some of the strange environments out there. To disable this |
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881 behavior, export NO_SANITIZE_ENVIRONMENT=1.</p> |
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882 |
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883 <p>New config variables:</p> |
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884 |
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885 <ul> |
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886 <li>STATIC_CC_HOST became CROSS_HOST_ARCH, set that and second stage cross |
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887 compiler gets built.</li> |
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888 |
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889 <li>The new ALLOW_PATCH_FAILURE=1 variable continues despite a patch failing to |
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890 apply.</li> |
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891 |
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892 <li>NO_HOST_TOOLS=1 tells build.sh to skip the host tools step, which is seldom |
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893 a good idea but there you have it. The new HOST_EXTRA is an equally horrible |
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894 idea, but if you feel the need it's a list of extra commands to pass through |
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895 from the host $PATH.</p> |
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896 |
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897 <li>NO_CPLUSPLUS=1 tells it not to add C++ support in the toolchains it |
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898 builds.</p> |
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899 |
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900 <li>NO_CLEANUP isn't a new variable, but you can now set this for entire |
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901 builds and it should work.</li> |
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902 </ul> |
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903 |
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904 <p>ccwrap improvements: Handle unexported $PATH better. It doesn't need to |
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905 search $PATH when argc[0] is a path (either absolute or relative to the current |
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906 directory). Also use Scrt1.o when building a shared library. (Oddly this |
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907 never caused a problem before, but do the right thing anyway.)</p> |
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908 |
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909 <p>Upgrades to BUILD_STATIC: it now takes a comma separated list of packages, |
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910 with the special value "all" to build everything static, and "none" to build |
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911 nothing static. The default is to build static versions of busybox and the |
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912 toolchain packages (gcc, binutils, make, and ccwrap) both due to the increased |
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913 performance this provides under qemu (which has to repeatedly re-translate |
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914 executable code pages that modify themselves, such as when dynamic linking |
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915 patches per-process jump addresses), and also due to the increased portability |
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916 this provides the native compiler tarball.</p> |
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|
917 |
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918 <p>(The host-tools stage always builds dynamic packages, because the glibc |
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919 maintainer has a personal dislike of static linking, meaning glibc's static |
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920 linking support (in addition to creating 400k "hello world" binaries) is both |
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921 broken[LINK] and deprecated[LINK]. Some distros have even taken to breaking |
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922 out the *.a format libraries used for static linking into a separate package, |
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923 and not installing them by default. The host-tools stage now tests for this, |
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924 and refuses to continue in a dynamic-only build environment unless you set |
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925 BUILD_STATIC=none. You can rebuild under the resulting target system to |
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926 natively compile static binaries, which uClibc supports quite well, but you |
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927 can't generate them from the host.)</p> |
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|
928 |
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929 <p>The old FROM_ARCH is now HOST_ARCH, and the infrastructure using it |
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930 (cross-compiler.sh and native-compiler.sh) has been cleaned up. The |
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931 HOST_UTILS variable was also removed, that's now built for the full |
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932 cross and native compilers, but not the simple cross compiler.</p> |
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933 |
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934 <p>The more/smoketest.sh file no longer creates hdb.img.</p> |
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935 |
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936 <p>The host-tools stage has been upgraded to work around the utter stupidity of |
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937 Ubuntu 10.04, which turned "gcc" into a perl script. (Yes really. No, I don't |
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938 know what they were smoking.)</p> |
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939 |
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940 <p>Build zlib in host-tools (for squashfs) and in static-tools for dropbear's |
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941 -C. This is necessary for reproducing the build under a system-image, because |
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942 the default system image type (squashfs) requires zlib to build.</p> |
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943 |
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944 <p>Update the command prompt in system images to show the amount of |
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945 parallelism available via distcc. (When it says 1 you haven't got |
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946 distcc, and when it says a number greater than that you have.) |
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947 The prompt now looks like:</p> |
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948 <blockquote><pre>(powerpc:4) /home #</pre></blockquote> |
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949 |
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950 <p>The make, bash, and distcc builds are now part of the native-compiler stage |
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951 (and their build scripts moved to sources/sections). This means that a native |
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952 toolchain now includes make, because it's hard to build make without make. |
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953 This stage also records the uClibc and linux config files for posterity.</p> |
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954 |
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955 <p>The build was weaned off of toybox. (Broke out oneit, sent patch upstream |
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956 to busybox, and got netcat fixed in defconfig so native-build.sh could use |
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957 it.)</p> |
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958 |
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|
959 <p>Several small bugfixes and cosmetic cleanups. For example, we now delete |
479bcbb2775e
Screw it: cut a release and fix it all up later.
Rob Landley <rob@landley.net>
parents:
1121
diff
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|
960 empty build/temp-* directories when we're done with them, and several |
479bcbb2775e
Screw it: cut a release and fix it all up later.
Rob Landley <rob@landley.net>
parents:
1121
diff
changeset
|
961 config options such as NO_NATIVE_COMPILER and NO_CLEANUP should be more |
479bcbb2775e
Screw it: cut a release and fix it all up later.
Rob Landley <rob@landley.net>
parents:
1121
diff
changeset
|
962 reliable now. Don't build hello-dynamic on a BUILD_STATIC=all system. |
479bcbb2775e
Screw it: cut a release and fix it all up later.
Rob Landley <rob@landley.net>
parents:
1121
diff
changeset
|
963 Clean up debris files the kernel's headers_install leaves lying around. |
479bcbb2775e
Screw it: cut a release and fix it all up later.
Rob Landley <rob@landley.net>
parents:
1121
diff
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|
964 Minor upgrades to FORK=1 support, and QUIET is now part of FORK instead |
479bcbb2775e
Screw it: cut a release and fix it all up later.
Rob Landley <rob@landley.net>
parents:
1121
diff
changeset
|
965 of a separate control. Generating a package manifest should no |
479bcbb2775e
Screw it: cut a release and fix it all up later.
Rob Landley <rob@landley.net>
parents:
1121
diff
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|
966 longer produce error messages. Empty temp directories get deleted on the |
479bcbb2775e
Screw it: cut a release and fix it all up later.
Rob Landley <rob@landley.net>
parents:
1121
diff
changeset
|
967 way out. Better support for building older tools as alt-packages (tested |
479bcbb2775e
Screw it: cut a release and fix it all up later.
Rob Landley <rob@landley.net>
parents:
1121
diff
changeset
|
968 binutils 2.14 and gcc 3.4). Comment out default UNSTABLE= URLs in download.sh, |
479bcbb2775e
Screw it: cut a release and fix it all up later.
Rob Landley <rob@landley.net>
parents:
1121
diff
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|
969 supply your own if you want that. Binutils build now honors existing $CFLAGS |
479bcbb2775e
Screw it: cut a release and fix it all up later.
Rob Landley <rob@landley.net>
parents:
1121
diff
changeset
|
970 (if any). The dienow error message goes to stderr. More reliably track |
479bcbb2775e
Screw it: cut a release and fix it all up later.
Rob Landley <rob@landley.net>
parents:
1121
diff
changeset
|
971 package cache state when patches fail to apply. Simplify system-image |
479bcbb2775e
Screw it: cut a release and fix it all up later.
Rob Landley <rob@landley.net>
parents:
1121
diff
changeset
|
972 build (don't try to package root filesystem and build kernel in parallel |
479bcbb2775e
Screw it: cut a release and fix it all up later.
Rob Landley <rob@landley.net>
parents:
1121
diff
changeset
|
973 anymore, squashfs and make both have internal SMP support). BUILD_VERBOSE |
479bcbb2775e
Screw it: cut a release and fix it all up later.
Rob Landley <rob@landley.net>
parents:
1121
diff
changeset
|
974 is now more verbose. Reliability improvement for record-commands.sh. |
479bcbb2775e
Screw it: cut a release and fix it all up later.
Rob Landley <rob@landley.net>
parents:
1121
diff
changeset
|
975 New shell functions blank_workdir and extract_package. Consistently |
479bcbb2775e
Screw it: cut a release and fix it all up later.
Rob Landley <rob@landley.net>
parents:
1121
diff
changeset
|
976 use name-name in scripts and name_name in functions.</p> |
479bcbb2775e
Screw it: cut a release and fix it all up later.
Rob Landley <rob@landley.net>
parents:
1121
diff
changeset
|
977 |
479bcbb2775e
Screw it: cut a release and fix it all up later.
Rob Landley <rob@landley.net>
parents:
1121
diff
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|
978 <p>It's been a long 5 months...</p> |
479bcbb2775e
Screw it: cut a release and fix it all up later.
Rob Landley <rob@landley.net>
parents:
1121
diff
changeset
|
979 |
479bcbb2775e
Screw it: cut a release and fix it all up later.
Rob Landley <rob@landley.net>
parents:
1121
diff
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|
980 <hr> |
1050
333c8f799302
Update lots and lots of web pages for the project name change to Aboriginal Linux.
Rob Landley <rob@landley.net>
parents:
1022
diff
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|
981 <h2><a name="05-02-2010" />May 2, 2010</h2> |
333c8f799302
Update lots and lots of web pages for the project name change to Aboriginal Linux.
Rob Landley <rob@landley.net>
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1022
diff
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|
982 <p>The name of the project is changing from Firmware Linux to Aboriginal |
1321
4c0a2018502c
Clean up old references to impactlinux.com, add a FAQ explaining why that site went away, and start the long and winding process of redoing documentation.hmtl.
Rob Landley <rob@landley.net>
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1320
diff
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|
983 Linux. The new URL is "http://landley.net/aboriginal".</p> |
1050
333c8f799302
Update lots and lots of web pages for the project name change to Aboriginal Linux.
Rob Landley <rob@landley.net>
parents:
1022
diff
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|
984 |
333c8f799302
Update lots and lots of web pages for the project name change to Aboriginal Linux.
Rob Landley <rob@landley.net>
parents:
1022
diff
changeset
|
985 <p>Some reasons to move away from the old name are |
333c8f799302
Update lots and lots of web pages for the project name change to Aboriginal Linux.
Rob Landley <rob@landley.net>
parents:
1022
diff
changeset
|
986 <a href=http://lists.impactlinux.com/pipermail/firmware-impactlinux.com/2009-October/000374.html>listed here</a>, |
333c8f799302
Update lots and lots of web pages for the project name change to Aboriginal Linux.
Rob Landley <rob@landley.net>
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1022
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|
987 and some reasons to pick the new name are covered in |
333c8f799302
Update lots and lots of web pages for the project name change to Aboriginal Linux.
Rob Landley <rob@landley.net>
parents:
1022
diff
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|
988 <a href=http://lists.impactlinux.com/pipermail/firmware-impactlinux.com/2010-April/000671.html>this thread</a>.</p> |
333c8f799302
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diff
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|
989 |
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Rob Landley <rob@landley.net>
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1022
diff
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|
990 <p>Some links may be broken while we switch over. Let us know what we've |
333c8f799302
Update lots and lots of web pages for the project name change to Aboriginal Linux.
Rob Landley <rob@landley.net>
parents:
1022
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|
991 missed on the mailing list...</p> |
333c8f799302
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Rob Landley <rob@landley.net>
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|
992 |
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Rob Landley <rob@landley.net>
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|
993 <hr> |
1022 | 994 <h2><a name="03-29-2010" />March 29, 2010</h2> |
995 <p><a href=downloads/firmware-0.9.11.tar.bz2>Version 0.9.11</a> is out, | |
1321
4c0a2018502c
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Rob Landley <rob@landley.net>
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1320
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|
996 based on <a href=/hg/firmware/shortlog/1020>hg commit |
1022 | 997 1020</a>. We're closing in on a 1.0 release, but not quite there yet.</p> |
998 | |
999 <p>This version upgrades to Linux 2.6.33, uClibc 0.9.30.3, and BusyBox | |
1000 1.16.1.</p> | |
1001 | |
1002 <b><h3>Improved native builds</h3></b> | |
1003 | |
1004 <p>Most targets now have <a href=downloads/binaries>prebuilt binaries</a> | |
1005 for <a href=http://matt.ucc.asn.au/dropbear/dropbear.html>dropbear</a>, | |
1006 <a href=http://sourceforge.net/projects/strace/>strace</a>, | |
1007 <a href=http://busybox.net>busybox</a>. These are statically | |
1008 linked against uClibc, so just download, set the executable bit, and run.</p> | |
1009 | |
1010 <p>These dropbear and strace binaries are built using the automated three-disk | |
1011 native build capability introduced <a href=#11-07-2009>back in November</a>, | |
1012 which has been improved and genericized this release. Now one script creates | |
1013 a build image (see examples in sources/native-builds) and another script | |
1014 launches a system image with that build image attached as the third | |
1015 hard drive (/dev/hdc), telling the system image to automatically build | |
1016 those source packages and upload the result to the host via ftp.</p> | |
1017 | |
1018 <p>So to reproduce the dropbear and strace binaries for a supported ARCH, | |
1019 you could do:</p> | |
1020 | |
1021 <blockquote><pre> | |
1022 ./build.sh ARCH | |
1023 sources/native-builds/static-tools.sh tools.hdc | |
1024 sources/more/native-build.sh ARCH tools.hdc output | |
1025 </pre></blockquote> | |
1026 | |
1027 <p>When the build exits, the results should be in the host's "output" | |
1028 directory.</p> | |
1029 | |
1030 <b><h3>Targets</h3></b> | |
1031 <p>The arm, mips, x86, x86-64 targets that worked last time still work. | |
1032 The armv4eb and m68k targets still don't work.</p> | |
1033 | |
1034 <p>The powerpc and sparc targets have been upgraded. Powerpc now works with | |
1035 the 3-disk automated native build (although you'll need qemu 0.12.4 to take | |
1036 advantage of this). The sparc dynamic linker still doesn't work in uClibc, | |
1037 but the statically linked system is now working well enough to build packages | |
1038 natively.</p> | |
1039 | |
1040 <p>New targets this release are i486 (thanks David Seikel) and mips64 (which | |
1041 mostly works, but the native toolchain isn't quite properly configured to | |
1042 build stuff with yet).</p> | |
1043 | |
1044 <p>Finally, the sh4 target was broken by a cosmetic cleanup of the startup | |
1045 assembly code in Linux 2.6.33 that rendered any binutils version older | |
1046 than 4 months unusable to build sh4. While it's possible to patch around | |
1047 this, it hasn't yet been worth effort. The Linux-sh4 maintainer is aware | |
1048 of the issue, but explicitly | |
1049 <a href=http://permalink.gmane.org/gmane.linux.ports.sh.devel/7237>doesn't | |
1050 care</a> about users other than his employer, and so far nobody | |
1051 else seems to care enough about supporting the discontinued Sega Dreamcast | |
1052 game console to argue with him. (Might revisit this next release, but m68k | |
1053 support is a higher priority.)</p> | |
1054 | |
1055 <b><h3>Infrastructure</h3></b> | |
1056 <p>The system-image's "run-emulator.sh" is now a much smaller and simpler | |
1057 script, consisting primarily of the qemu command line. (And if you export | |
1058 DEBUG=1 it prints the emulator command line.) The distcc and hdb | |
1059 setup code moved to dev-environment.sh.</p> | |
1060 | |
1061 <p>The <a href=screenshots>screenshots</a> page is working again, if a bit | |
1062 stale.</p> | |
1063 | |
1064 <p>The bisectinate.sh script (to automatically git bisect a build issue) | |
1065 has been updated, more to come next release.</p> | |
1066 | |
1067 <p>The download.sh script has been updated to understand FORK=1 and download | |
1068 packages in parallel. (And to extract them in parallel when | |
1069 EXTRACT_ALL=1.)</p> | |
1070 | |
1071 <p>The new export_if_blank shell function allows several more environment | |
1072 variables to be overridden, including TOP, SOURCES, SRCDIR, PATCHDIR, | |
1073 BUILD, SRCTREE, HOSTTOOLS, WRAPDIR, CC, and STAGE_NAME.</p> | |
1074 | |
1075 <p>I'd also like to thank the debugging efforts of Wolfgang Denk, who hit | |
1076 as many bugs trying to use this project as I normally do with other people's. | |
1077 He eventually got discouraged and left, but thanks to his efforts:</p> | |
1078 | |
1079 <ul> | |
1080 <li><p>We now unset several environment variables (such as ARCH and | |
1081 CROSS_COMPILE) that break things if the host exports random data in them | |
1082 before the build. (Yes, this fights with export_if_blank above, and | |
1083 the way configuration works in general. Some more design works is necessary | |
1084 here to let you configure the project with environment variables, but | |
1085 not be confused by existing environment debris.)</p></li> | |
1086 | |
1087 <li><p>BUILD_STATIC=none can how handle the case where the host toolchain | |
1088 can't build any static binaries at all.</p></li> | |
1089 | |
1090 <li><p>The CROSS_SMOKE_TEST implementation (which had bit rotted) was fixed and | |
1091 moved to its own script (sources/more/cross-smoke-test.sh), which is called by | |
1092 build.sh as necessary.</p> | |
1093 | |
1094 <p>Note that actually trying to use it is a question | |
1095 of getting qemu application emulation to work for your target. For | |
1096 arm you need to tweak /proc/sys/vm/mmap_min_addr as root. For ppc you | |
1097 need <a href=http://git.qemu.org/qemu.git/commit/?id=7983f435e5306a4b17e1edcb408ba64b33e9c88f>this patch</a>. For mips64 somebody still needs to | |
1098 implement it (<a href=http://lists.gnu.org/archive/html/qemu-devel/2010-03/msg02218.html>no matter what gentoo thinks</a>).</p> | |
1099 | |
1100 <p>(There's a reason the smoke test was disabled long enough to bit-rot. | |
1101 It broke for qemu reasons more often than it found bugs in the toolchain.)</p> | |
1102 </li> | |
1103 </ul> | |
1104 | |
1105 <hr> | |
969 | 1106 <h2><a name="02-02-2010" />February 2, 2010</h2> |
1107 | |
1108 <p><a href=downloads/firmware-0.9.10.tar.bz2>Version 0.9.10</a> is out, | |
1321
4c0a2018502c
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Rob Landley <rob@landley.net>
parents:
1320
diff
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|
1109 based on <a href=/hg/firmware/shortlog/966>hg |
969 | 1110 commit 966</a>.</p> |
1111 | |
1112 <p>Yeah, I know 1.0 is overdue for a release, here's a resync point | |
1113 with the 2.6.32 kernel and uClibc 0.9.30.2.</p> | |
1114 | |
1115 <p>There are some regressions this time around, which I plan to fix up | |
1116 in the next release. The 2.6.32 kernel broke strace, | |
1117 and upgrading to the new version didn't fix it. (I know how, I just haven't | |
1006
f99d25daec6a
Minor news tweak I made ages ago and forgot to check in.
Rob Landley <rob@landley.net>
parents:
969
diff
changeset
|
1118 yet.) The m68k target isn't currently building due to the uClibc upgrade |
f99d25daec6a
Minor news tweak I made ages ago and forgot to check in.
Rob Landley <rob@landley.net>
parents:
969
diff
changeset
|
1119 (yeah, "bugfix only", I know), and the armv6l target seems to be broken two |
f99d25daec6a
Minor news tweak I made ages ago and forgot to check in.
Rob Landley <rob@landley.net>
parents:
969
diff
changeset
|
1120 different ways. I screwed up the screenshots page (which is halfway converted |
f99d25daec6a
Minor news tweak I made ages ago and forgot to check in.
Rob Landley <rob@landley.net>
parents:
969
diff
changeset
|
1121 to Vladimir's new fancy version with style sheets, but "halfway" doesn't |
969 | 1122 actually display right). The cron job building nightly snapshots got taken down |
1123 when the server's hard drive filled up, and now it's in the process of being | |
1124 upgraded with a couple new scripts:</p> | |
1125 | |
1126 <p>The new sources/more/migrate_kernel.sh script does a "make oldconfig" | |
1127 between the stable and "USE_UNSTABLE=linux" kernels, and creates a new | |
1128 alt-miniconfig-linux for the specified target with any new symbols that | |
1129 showed up. (This means the snapshots should break less, but adding the | |
1130 symbols to the native configs will still require manual filtering.)</p> | |
1131 | |
1132 <p>Also, the new sources/more/bisectinate.sh script automatically does | |
1133 a git bisect between a known good and known bad (generally HEAD) version | |
1134 of one of the unstable packages (linux, uClibc, or busybox). It can test | |
1135 that the build completes, or that the system image boots and successfully | |
1136 builds the static native dropbear binary. (In theory this will allow the | |
1341
d4eb237dcc6f
Many typos, spotted by Alan Post.
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parents:
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diff
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|
1137 nightly snapshots to automatically isolate and report the first commit that |
969 | 1138 broke them.)</p> |
1139 | |
1140 <p>In other general infrastructure news: some extensive upgrades to the | |
1141 compiler wrapper (ccwrap), such as no longer needing GIMME_AN_S at compile | |
1142 time and instead autodetecting the presence of libgcc_s.so vs libgcc.a | |
1341
d4eb237dcc6f
Many typos, spotted by Alan Post.
Rob Landley <rob@landley.net>
parents:
1334
diff
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|
1143 and behaving appropriately. A largish cleanup/refactoring of the compiler |
969 | 1144 build (described in |
1321
4c0a2018502c
Clean up old references to impactlinux.com, add a FAQ explaining why that site went away, and start the long and winding process of redoing documentation.hmtl.
Rob Landley <rob@landley.net>
parents:
1320
diff
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|
1145 <a href=/hg/firmware/shortlog/944>commit 944</a>) |
969 | 1146 added a new "native-compiler.sh" script, which handles building the |
1147 improved "cross-compiler" tarball that includes thread support and | |
1148 uClibc++ and is statically linked against uClibc on the host. | |
1149 The simple cross compiler is now "simple-cross-compiler.sh" (which is | |
1150 good enough to build a system image, but isn't very useful in other | |
1151 contexts).</p> | |
1152 | |
1153 <p>The host-tools.sh stage now only builds | |
1154 e2fsprogs or squashfs if the build is actually going to use them (based | |
1155 on the SYSIMAGE_TYPE config symbol). The sources/sections scripts now | |
1156 come in two flavors: an *.build version with setup/cleanup called | |
1157 automatically and *.sh files which do their own setup/cleanup within | |
1158 the script. Each system image's run-emulator.sh will once again add | |
1159 /sbin:/usr/sbin to the $PATH if it can't find mke2fs.</p> | |
1160 | |
1161 <p>The --extract command line option went away from download.sh because | |
1162 everything else works via environment variables. Use EXTRACT_ALL=1 instead.</p> | |
1163 | |
1164 <p>Fixed a few regressions that snuck into previous versions: the | |
1165 config-{linux,uClibc,busybox} should once again be in the root filesystem's | |
1166 usr/src directory, buildall.sh should now try to build the static native | |
1167 dropbear/strace binaries for all targets (not just the last one) and it | |
1168 should properly be running smoketest.sh again.</p> | |
1169 | |
1022 | 1170 <hr> |
927 | 1171 <h2><a name="12-08-2009" />December 8, 2009</h2> |
1172 <p><a href=downloads/firmware-0.9.9.tar.bz2>Version 0.9.9</a> is out, | |
1321
4c0a2018502c
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Rob Landley <rob@landley.net>
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1320
diff
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|
1173 based on <a href=/hg/firmware/shortlog/921>hg commit 921</a>.</p> |
927 | 1174 |
1175 <p>Just a checkpoint on the way to 1.0, which is still planned for | |
1176 around new years, but there's been some schedule slippage already.</p> | |
1177 | |
1178 <ul> | |
1179 <li> | |
1180 <p><b>New documentation</b></p> | |
1181 <p>The presentation slides have been converted to | |
1182 <a href=presentation.html>HTML</a>, although the much prettier (and much | |
1183 bigger) <a href=downloads/presentation.pdf>PDF</a> is still available.</p> | |
1184 | |
1185 <p>There is also a <a href=FAQ.html>FAQ</a>, which is still somewhat sparse. | |
1186 (Ask away.)</p> | |
1187 </li> | |
1188 | |
1189 <li><p><b>Prebuilt binaries</b></p></li> | |
1190 | |
1191 <p>Added shm support to uClibc. Bugfix to the c++ | |
1192 compiler (it should work again). The system images now have a "guest" | |
1193 user/group so packages can more easily be built as a non-root user. | |
1194 The shell prompt now includes the $HOST name.</p> | |
1195 </li> | |
1196 | |
1197 <li><p><b>Build scripts</b></p> | |
1198 <p>A new trivial-but-convenient "./clean.sh" script lets you delete just the | |
1199 target builds out of "build". (If you delete that whole directory it has to | |
1200 re-extract all the package tarballs and rebuilt the host tools, which is | |
1201 often unnecessary work.)</p> | |
1202 | |
1203 <p>Command recording has been completely redone. No more RECORD_COMMANDS | |
1204 variable, instead run sources/more/record-commands.sh to wrap the current | |
1205 $PATH in build/wrappy (either after or instead of running host-tools.sh), | |
1206 then run your build stages, and finally either run | |
1207 sources/more/report-recorded-commands.sh to get a summary or | |
1208 look at the raw command line lists in build/logs.</p> | |
1209 | |
1210 <p>The Great Refactoring continues in sources/sections: broke up | |
1211 binutils-gcc.sh into individual binutils, gcc, and ccwrap | |
1212 stages, split off linux-headers and uClibc++ from uClibc.sh, | |
1213 and spun off toybox.sh from busybox.sh.</p> | |
1214 | |
1215 <p>Also broke kernel_cmdline() out of qemu_defaults() to make it easier to add | |
1216 non-qemu sources/targets configurations without reinventing the wheel, | |
1217 and fixed up dependencies for hw-target builds (which should work a lot | |
1218 more reliably now).</p> | |
1219 | |
1220 <p>Bumped up the number of $CPUS used by the build to 1.5x the actual number | |
1221 (as long as your host has at least 512 megs of ram per actual CPU). That | |
1222 should help keep larger servers busy.</p> | |
1223 | |
1224 <p>Some self-hosting fixes from Natanael Copa (making sure host-tools.sh | |
1225 builds on a uClibc host): added --disable-nls to the e2fsprogs build | |
1226 (what exactly is ./configure running all these tests for again?), and a | |
1227 squashfs patch (substituting a function uClibc hasn't got).</p> | |
1228 | |
1229 <p>Simplified system-image.sh to use killtree() instead of mysetsid. | |
1230 Simplified the cross-compiler/cross-static logic to set the $PATH to | |
1231 use the right one, rather than moving them around during the build. | |
1232 Updated smoketest-all.sh to show "NONE" for system images that didn't build. | |
1233 Added more support for SKIP_STRIP and CFLAGS=-g to the rest of the | |
1341
d4eb237dcc6f
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1334
diff
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|
1234 packages. Cleaned out the old USE_COLOR stuff which was superseded by |
927 | 1235 set_titlebar.</p> |
1236 </li> | |
1237 </ul> | |
1238 | |
1239 <hr> | |
1240 <h2><a name=11-07-2009 />November 7, 2009</h2> | |
879 | 1241 <p><a href=downloads/firmware-0.9.8.tar.bz2>Version 0.9.8</a> is out, |
1242 based on hg commit 876. (If you want to see all the changes in this release, | |
1321
4c0a2018502c
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1243 look at <a href=/hg/firmware/shortlog/876>commits 810 through 876</a>.)</p> |
879 | 1244 |
1245 <p.The current plan is to cut one more release at the end of the month, and | |
1246 then have the 1.0 release around new year's. This could be considered a | |
1247 1.0-pre1, if you like.</p> | |
1248 | |
1249 <p>This release upgrades linux to 2.6.31.4 and busybox to 1.15.2. | |
1250 (The uClibc version is still 0.9.30.1, they haven't had a new release | |
1251 yet.)</p> | |
1252 | |
1253 <p>The old #firmware irc channel on freenode.net has been merged into #edev, | |
1254 so go there now to ask questions about this project. (A _lot_ of | |
1255 knowledgeable, helpful people hang there who can answer your embedded | |
1256 development questions.)</p> | |
1257 | |
1258 <h3><b>Bug tracker and roadmap</b></h3> | |
1259 | |
1260 <blockquote> | |
1261 <p>The <a href=http://redmine.impactlinux.com/projects/impact>new bug | |
1262 tracker</a> has a <a href=http://redmine.impactlinux.com/projects/impact/roadmap>roadmap</a> | |
1263 showing what we plan to implement for the next release or two.</p> | |
1264 | |
1341
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1265 <p>It's also a place to file bugs, although sending them to the <a href=http://lists.impactlinux.com/listinfo.cgi/firmware-impactlinux.com>mailing list</a> |
879 | 1266 is still the fastest way to get a fix.</p> |
1267 </blockquote> | |
1268 | |
1269 <h3><b>New screenshots page</b></h3> | |
1270 | |
1271 <blockquote> | |
1272 <p><a href=screenshots>This page</a> lists every target, with | |
1273 a "screenshot" of the target's boot messages under qemu, and associated | |
1274 links to all the various prebuilt binaries for that target.</p> | |
1275 </blockquote> | |
1276 | |
1277 <h3><b>Fun with static linking</b></h3> | |
1278 | |
1279 <blockquote> | |
1280 <p>The cross-compiler-$ARCH tarballs are all compiled for i686 and | |
1281 statically linked against uClibc for maximum portability.</p> | |
1282 | |
1283 <p>The busybox binary in the root filesystem images is now built statically by | |
1284 default, providing a 20% speed improvement in ./configure times under qemu | |
1285 (due to the reduced page translation overhead). You can switch this back | |
1286 to dynamic with "BUILD_STATIC=none".</p> | |
1287 | |
1288 <p>Static dropbear and strace binaries for each target are also available, | |
1289 built by the new sources/more/native-static-build.sh script.</p> | |
1290 </blockquote> | |
1291 | |
1292 <h3><b>System Image interface changes</b></h3> | |
1293 | |
1294 <blockquote> | |
1295 <p>The run-from-build.sh script used to set up a development environment | |
1296 out of the build directory, but didn't provide an easy way to do so based | |
1297 on downloaded tarballs. (You had to work out and provide extensive | |
1298 command line arguments to the run-emulator.sh script.) This has been | |
1299 fixed.</p> | |
1300 | |
1301 <p>The run-emulator.sh script in each system interface tarball is now much | |
1302 simpler. It now looks for distccd and $ARCH-cc in its $PATH, and sets up | |
1303 distcc acceleration automatically if it finds them. (It announces whether | |
1304 or not it has managed to do so, and init.sh announces whether or not it | |
1305 thinks it has distcc acceleration enabled just before launching a command | |
1306 prompt.) So setting up the distcc accelerator should be less of a pain.</p> | |
1307 | |
1308 <p>Also, run-emulator.sh no longer takes any command line arguments. Instead | |
1309 the environment variable $HDB indicates a /dev/hdb disk image to mount on | |
1310 /home, $HDBMEGS specifies the size of a (sparse ext2) HDB image to create if | |
1311 it doesn't already exist, and QEMU_MEMORY indicates how many megabytes of | |
1312 physical memory the emulator should allocate for the virtual system.</p> | |
1313 | |
1314 <p>Each system-image also provides a simple wrapper dev-environment.sh | |
1315 which calls run-emulator.sh with HDBMEGS=2048, HDB=hdb.img, and | |
1316 QEMU_MEMORY=256. (These are the values run-from-build.sh used to provide, | |
1317 and give a reasonable build environment with 256 megs of physical memory | |
1318 and 2 gigabytes of writeable /home space.) The run-from-build.sh script | |
1319 itself now merely adds the specified build/cross-compiler-$ARCH directory | |
1320 to the $PATH, changes directory to the appropriate build/system-image-$ARCH, | |
1321 and calls ./dev-environment.sh. It's 3 lines.</p> | |
1322 | |
1323 <p>The system images can now also automatically mount a third disk image | |
1324 ($HDC, specifying an /dev/hdc image to mount onto the /mnt directory), and if | |
1325 that filesystem contains an executable "init" program in its root directory | |
1326 the sbin/init.sh script will run that instead of launching a command prompt.</p> | |
1327 | |
1328 <p>The new native-static-build.sh uses this HDC capability to automatically | |
1329 run some native package builds without having to drive the build through | |
1330 /dev/console via a wrapper script (the way smoketest.sh does). See | |
1331 sources/more/setup-native-static-build.sh for the script which generates | |
1332 the hdc.sqf image for this.</p> | |
1333 | |
1334 <p>Note that some targets (such as sh4 and powerpc) don't yet support /dev/hdc | |
1335 due to QEMU board emulation limitations.</p> | |
1336 </blockquote> | |
1337 | |
1338 <h3><b>Build interface changes</b></h3> | |
1339 | |
1340 <blockquote> | |
1341 <p>The new "sources/more" directory contains scripts the end user can | |
1342 call, but which aren't important enough to clutter up the top level | |
1343 directory with. The buildall.sh and smoketest-all.sh scripts moved there, | |
1344 as did the cronjob.sh used to build the nightly snapshots.</p> | |
1345 | |
1346 <p>The new sources/more/native-static-build.sh natively compiles dropbear and | |
1347 strace under the emulator, and copies them out to the host through the virtual | |
1348 network (into the build/cron-temp directory) using busybox ftpd on the host. | |
1349 This provides an example of how to use the new HDC /mnt/init functionality | |
1350 to perform automatic builds under the emulator, and copy the results out | |
1351 through the network. It uses the new sources/timeout.sh wrapper to detect | |
1352 hung builds (defined as builds that haven't produced a line of output within | |
1353 a given number of seconds).</p> | |
1354 | |
1355 <p>The new BINARY_PACKAGE_TARBALLS variable (in the file "config") tells | |
1356 the build to create a separate tarball of the binaries produced building | |
1357 each package. (These more granular tarballs aren't shipped yet, but may | |
1358 be in a future release.)</p> | |
1359 | |
1360 <p>The new SKIP_STRIP variable tells the build not to strip binaries. | |
1361 (Add in CFLAGS=-g for enormous binaries full of debug info.)</p> | |
1362 </blockquote> | |
1363 | |
1364 <h3><b>Target upgrades</b></h3> | |
1365 | |
1366 <blockquote> | |
1367 <p>Powerpc and sh4 should now work fine with stock qemu 0.11.0.</p> | |
1368 | |
1369 <p>The arm platform now has an armv4tl target. This is a little-endian armv4 | |
1370 eabi, for armv4 chips offering the "thumb" extension which eabi requires. | |
1371 (The plain armv4l target is still oabi. The oabi/eabi thing is different | |
1372 binary ABIs, a bit like Linux vs BSD binaries or aout vs elf. The eabi | |
1373 standard is the new one, but some of the older arm hardware can't support | |
1374 it. This takes it down as far as it can go.)</p> | |
1375 </blockquote> | |
1376 | |
1377 <h3><b>Infrastructure</b></h3> | |
1378 | |
1379 <blockquote> | |
1380 <p>Behind the scenes, some extensive work is going on to simplify the | |
1381 build scripts. (The documentation's fallen a bit behind reality here, | |
1382 but should be back up to date next release.)</p> | |
1383 | |
1384 <p>The uClibc miniconfigs are now automatically generated, with the | |
1385 bulk of the config living in sources/baseconfig-uClibc and the few | |
1386 target specific lines being appended from the UCLIBC_CONFIG variable | |
1387 defined in the target's settings file.</p> | |
1388 | |
1389 <p>The other big change is factoring out lots of common code, moving it into | |
1390 the sources/sections directory, so things like the uClibc, busybox, and | |
1391 toolchain builds now live in one place and are called from the various | |
1392 other scripts that need them. (This may eventually allow alternate build | |
1393 scripts for these packages, potentially swapping out glibc for uClibc, or | |
1394 llvm/clang for gcc. In the meantime, it eliminates a lot of redundant code.)</p> | |
1395 | |
1396 <p>This required lots of small cleanups, such as making the scripts now | |
1397 consistently use the $STAGE_DIR variable for their output directory. | |
1398 Some other cleanups were primarily cosmetic, such as moving the extracted | |
1399 tarball cache directory from build/sources to build/packages. (Tarballs | |
1400 live in packages, extracted tarballs live in build/packages.)</p> | |
1401 | |
1402 <p>The root filesystem now contains simple /etc/passwd and /etc/group files, | |
1403 because dropbear won't work without them (not even to ssh out).</p> | |
1404 | |
1405 <p>Several small bugfixes (ccwrap no longer segfaults if $PATH isn't | |
1406 exported, /etc/resolv.conf doesn't get overwritten unnecessarily by init.sh, | |
1407 etc).</p> | |
1408 </blockquote> | |
1409 | |
927 | 1410 <hr> |
1411 <h2><a name=08-20-2009 />August 20, 2009</h2> | |
809 | 1412 <p><a href=downloads/firmware-0.9.7.tar.bz2>Version 0.9.7</a> is out, a little |
1413 over a month and a half late. It's a larger update than usual, so the | |
1414 release notes are a bit long.</p> | |
1415 | |
1416 <p>This release is based on | |
1321
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parents:
1320
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1417 <a href=/hg/firmware/log/807>mercurial version 807</a> |
809 | 1418 of the build scripts, |
1419 and includes <b>Linux 2.6.30.4</b> and <b>BusyBox 1.14.3</b>. | |
1420 No new uClibc release is out since last time.</p> | |
1421 | |
1422 <p>Lots of little bugs got fixed. For example, this release should build on | |
1423 Fedora 11 (and any other platform that hasn't got "which" installed by | |
1424 default), and now supports distcc and ccache on the host (and will use them | |
1425 automatically if they are installed).</p> | |
1426 | |
1427 <h3><b>Changes to build stages: new root-filesystem, cross-static, and | |
1428 native-compiler tarballs, upgraded buildall.sh and smoketest-all.sh.</b></h3> | |
1429 | |
1430 <blockquote> | |
1431 <p>The old "mini-native" stage has been renamed "root-filesystem" | |
1432 (the same way package-mini-native became system-image last release). The | |
1433 script names (and resulting tarballs) now indicate what each stage makes. | |
1434 So build.sh calls host-tools.sh, cross-compiler.sh, root-filesystem.sh, | |
1435 and system-image.sh, in that order.</p> | |
1436 | |
879 | 1437 <p>The old build-static-toolchains.sh script is gone, with its functionality |
809 | 1438 integrated into buildall.sh (which now builds i686 hosted static toolchains |
1439 for each target by default). This is implemented by two new environment | |
1440 variables triggering optional behavior: STATIC_CROSS_COMPILER_HOST | |
1441 and BUILD_STATIC_NATIVE_COMPILER.</p> | |
1442 | |
1443 <p>Setting STATIC_CROSS_COMPILER_HOST to an architecture name creates a | |
1444 cross compiler statically linked to run on that host (via a technique | |
1445 known as canadian cross compile). For example, the invocation:</p> | |
1446 | |
1447 <blockquote> | |
1448 <p>BUILD_CROSS_COMPILER_HOST=i686 ./build.sh armv4l</P> | |
1449 </blockquote> | |
1450 | |
1451 <p>Would create a tarball called "cross-static-armv4l.tar.bz2" which was | |
1452 built to run on an i686 host, and was statically linked (against uClibc) | |
1453 on that host to be distribution independent.</p> | |
1454 | |
1455 <p>Setting BUILD_STATIC_NATIVE_COMPILER to any non-empty value creates a | |
1456 native compiler for the target (packaged as native-compiler-$ARCH.tar.bz2), | |
1457 which is statically linked against uClibc so it can be extracted and run on | |
1458 just about any system of the appropriate type. (So if you can get a Linux | |
1459 shell prompt and have enough storage and memory, you should be able to | |
1460 compile stuff.)</p> | |
1461 | |
1462 <p>The upgraded smoketest-all.sh script runs smoketest.sh on each | |
1463 target built. (The smoketest.sh script attempts to compile and run "hello | |
1464 world" natively within a system image under qemu, and indicates whether or | |
1465 not it worked via "pass" or "fail".) Note that smoketest-all.sh now | |
1466 autodetects which targets have been built (have system images in the build | |
1467 directory), and smoketest.sh times out after 60 seconds so targets that hang | |
1468 will return failure eventually.</p> | |
1469 | |
1470 </blockquote> | |
1471 | |
1472 <h3><b>Squashfs 4.0 now the default system image type</b></h3> | |
1473 | |
1474 <blockquote> | |
1475 <p>The root filesystem image type is now squashfs by default. (To change it set | |
1476 SYSIMAGE_TYPE to ext2 or initramfs, either in your environment or the file | |
1477 "configure".)</p> | |
1478 | |
1479 <p>This involved upgrading the userspace squashfs support package | |
1480 to the version 4.0 supported by the upstream kernel, and numerous small fixes | |
1481 to work with a read-only root filesystem (with writeable spaced mounted on | |
1482 /home and /tmp).</p> | |
1483 </blockquote> | |
1484 | |
1485 <h3><b>Target upgrades</b></h3> | |
1486 <blockquote> | |
1487 <h3><b>ARM upgrades</b></h3> | |
1488 | |
1489 <blockquote> | |
1490 <p>Lots of work on the arm targets, with the addition of a new armv6l target | |
1491 and conversion of the armv5l target to | |
1492 <a href=http://www.linuxfordevices.com/c/a/Linux-For-Devices-Articles/Why-ARMs-EABI-matters/>ARM EABI</a> (which used to be documented <a href=http://www.arm.com/products/DevTools/ABI.html>here</a>, | |
1493 but ARM screwed up its website and now you have to go | |
1494 <a href=http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.subset.swdev.abi/index.html>here</a>). The armv4l target still provides an ARM v4 | |
1495 little endian soft float OABI target (which is "the i386 of ARM", meaning it | |
1496 should run on just about any arm hardware, if a bit slowly). A new | |
1497 armv4be target is the same as armv4l except big endian.</p> | |
1498 | |
1499 <p>A new hw-tct-hammer target supports the <a href=http://www.tincantools.com/product.php?productid=16143>Tin Can Tools hammer/nail board</a>.</p> | |
1500 </blockquote> | |
1501 | |
1502 <h3><b>Updated sparc support, almost works now. (uClibc for sparc still sucks.)</b></h3> | |
1503 | |
1504 <blockquote> | |
1505 <p>The sparc target has also been upgraded to the point where it now gives | |
1506 a shell prompt. (And immediately dies with a bus error or a hang if you try | |
1507 to do anything, because uClibc for sparc still doesn't work. The "upgrade" | |
1508 consisted of statically linking everything because uClibc's dynamic loader | |
1509 doesn't work for sparc.)</p> | |
1510 </blockquote> | |
1511 | |
1512 <h3><b>PowerPC remains fiddly due to QEMU issues, new powerpc-440fp target</b></h3> | |
1513 | |
1514 <blockquote> | |
1515 <p>PowerPC support in QEMU is | |
1516 <a href=http://lists.gnu.org/archive/html/qemu-devel/2009-07/msg01007.html>officially unstable</a>, so although FWL's powerpc target hasn't significantly | |
1517 changed from last release, the version of QEMU in source control no longer | |
1518 runs it (nor the binary powerpc system images released with FWL 0.9.6) and | |
1519 QEMU's developers do not consider this a regression. While we search for a new | |
1520 Linux kernel .config that matches QEMU's current expectations (and await a | |
1521 release considered "stable"), note that setting HOST_BUILD_EXTRA=1 before | |
1522 running host-tools.sh will build a version of qemu that does run powerpc and | |
1523 put it in build/host where run-from-build.sh can find it. (Note also that | |
1524 building qemu from source still takes significantly longer than the rest of the | |
1525 host-tools.sh stage combined.)</p> | |
1526 | |
1527 <p>A new powerpc-440fp target produces code for the powerpc 440 with hardware | |
1528 floating point. (Theoretically QEMU's "bamboo" board emulation should | |
1529 run this, but QEMU doesn't emulate a 440 processor yet. We compromise by | |
1530 running a ppc440 filesystem under qemu's power mac emulation, to take | |
1531 advantage of the ppc440 instruction set being almost a subset of full powerpc. | |
1532 This gets us a shell prompt, but throws illegal instruction errors if you | |
1533 try to do anything fancy.)</p> | |
1534 | |
1535 <p>(Note that powerpc-440fp is not a hw-target for powerpc, it's a different | |
1536 processor instruction set like i586 vs i686. Alas, one that qemu doesn't | |
1537 properly emulate yet.)</p> | |
1538 | |
1539 </blockquote> | |
1540 | |
1541 </blockquote> | |
1542 | |
1543 <h3><b>Now using last GPLv2 release of GCC, and future plans</b></h3> | |
1544 | |
1545 <blockquote> | |
1546 <p>The upgrade to <b>gcc 4.2.1</b> gives us | |
1547 <a href=http://gcc.gnu.org/ml/gcc-announce/2007/msg00003.html>the last | |
1548 GPLv2 licensed version of gcc</a> (thus avoiding | |
1549 <a href=http://lwn.net/Articles/343608/>various problems</a>). | |
1550 <a href=http://savannah.gnu.org/forum/forum.php?forum_id=4932>Make 3.81</a> | |
1551 was already the last GPLv2 release of that project.</p> | |
1552 | |
1553 <p>Note that <b>bash 2.05b</b> is still intentionally ancient (to avoid the | |
1554 bloat of 3.x), and may be replaced with busybox ash as the default FWL shell | |
1555 in a future release. Similarly, although <b>binutils 2.17</b> was the last | |
1556 GPLv2 version from the FSF, an upgrade to | |
1557 <a href=http://ftp.kernel.org/pub/linux/devel/binutils/release.binutils-2.18.50.0.1>the | |
1558 last GPLv2 release of Red Hat's binutils fork, 2.17.5.0.17</a> is under | |
1559 consideration for a future release. But mostly the GNU compiler toolchain | |
1341
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1560 has been upgraded as far as possible for the foreseeable future, either because |
809 | 1561 new versions provide no significant benefits or because they're not available |
1562 under a license compatible with the Linux kernel's.</p> | |
1563 | |
1564 <p>Future upgrades to these packages will either be via individual patches | |
1565 (maintaining GPLv2 license) or by investigating alternative non-FSF | |
1566 packages such as OpenBSD's <a href=http://lwn.net/Articles/255558>PCC</a> or | |
1567 Apple's <a href=http://llvm.org>LLVM</a>. In preparation for support of | |
1568 alternate compilers, the build scripts have moved from using "gcc" to the | |
1569 more generic "cc" for the compiler name wherever possible, but currently no | |
1570 drop-in replacement compiler is available.</p> | |
1571 | |
1572 </blockquote> | |
1573 | |
1574 <h3><b>Implementation details</b></h3> | |
1575 | |
1576 <blockquote> | |
1577 <p>Each target configuration renamed "details" to "settings", and added | |
1578 a "description". (This makes Gentoo From Scratch's kconfig easier.)</p> | |
1579 | |
1580 <p>The download.sh stage now populates a "packages" directory instead of | |
1581 "sources/packages", meaning that everything in the sources directory now | |
1582 comes from the FWL source tarball. To do the equivalent of "make clean" | |
1583 you can "rm -rf build", and to do a "make distclean" you can | |
1584 "rm -rf packages build".</p> | |
1585 | |
1586 <p>The build no longer deletes the alt-* tarballs when UNSTABLE isn't | |
1587 set, you must do that by hand if you want an updated alt- version of a | |
1588 package. The packages/MANIFEST file creation can now use the extended | |
1589 tarball information to detect git version numbers.</p> | |
1590 | |
1591 <p>The === bars now show the current stage name and architecture each | |
1592 package is being built for. (Pipe the build output to grep "^===" to see | |
1593 just the start of each new package build.) The same information is sent | |
1594 to the title bar of your xterm, export NO_TITLE_BAR=1 if you don't want the | |
1595 build to update the title bar.</p> | |
1596 | |
1597 <p>The BUILD_STATIC option now applies to all packages built in | |
1598 root-filesystem.sh, and can be set from a target configuration's settings file | |
1599 (as sparc is now doing).</p> | |
1600 | |
1601 <p>The BUILD_VERBOSE option passes V=1 to the linux, busybox, and uClibc | |
1602 builds that otherwise sanitize their output.</p> | |
1603 | |
1604 <p>You can now set NATIVE_TOOLCHAIN=only to build just the compiler | |
1605 and not the other parts (busybox, make, toybox, bash...) This is used | |
1606 by the canadian cross steps in build.sh to create static cross and native | |
1607 compilers.</p> | |
1608 | |
1609 <p>This release broke up scripts/include.sh so that script just | |
1610 sets lots of environment variables, and now includes scripts/functions.sh | |
1611 to define shell functions. The architecture setup (reading architecture | |
1612 files and creating temporary directories and such) is now done via the | |
1613 "read_arch_dir $ARCH" shell function, so merely including sources/include.sh | |
1614 should no longer have significant side effects. Similarly, setupfor now | |
1615 has an EXTRACT_ONLY environment variable instead of depending on a blank | |
1616 $ARCH (which host-tools.sh has, despite wanting to snapshot source so it can | |
1617 build stuff).</p> | |
1618 | |
1619 <p>Various fixes to make parallel builds work better. (So it neither leaves | |
1620 background processes running nor kills the parent shell and closes your | |
1621 xterm when you hit ctrl-c.) The new "killtree" shell function, | |
1622 which kills a process and all its children and grandchildren recursively with | |
1623 pgrep. We also build our own sources/toys/mysetsid.c program with the host | |
1624 compiler (because the normal command line "setsid" doesn't also do a tcsetpgrp | |
1625 on stdin so signal handling isn't forwarded to the new session). This should | |
1626 more reliably allow ctrl-c to exit smoketest.sh and system-image.sh and such, | |
1627 and let FORK=1 ./buildall.sh stop all its background processes when | |
1628 interrupted. (Note that smoketest-all.sh also honors FORK=1.)</p> | |
1629 | |
1630 <p>The logs from buildall.sh now live in build/logs.</p> | |
1631 | |
1632 <p>The new config option ROOT_NODIRS avoids creating the normal set of empty | |
1633 directories in the new root filesystem. (The old /tools support went | |
1634 away, but a BUILD_STATIC ROOT_NODIRS build can be extracted into /tools | |
1635 and used from there. Then either symlink "/lib" to "/tools/lib" or "export | |
1636 UCLIBC_DYNAMIC_LINKER=/tools/lib/ld-uClibc.so.0" to add more stuff to | |
1637 /tools natively.)</p> | |
1638 | |
1639 <p>The compiler wrapper (sources/toys/ccwrap.c) can now use | |
1640 architecture-specific WRAPPER_TOPDIR values. (I.E. armv4l-cc could | |
1641 "export armv4l_WRAPPER_TOPDIR=/path/to/directory".) This makes | |
1642 canadian cross compiles a lot easier.</p> | |
1643 </blockquote> | |
1644 | |
927 | 1645 <hr> |
1646 <h2><a name=04-02-2009 />April 2, 2009</h2> | |
694 | 1647 <p><a href=downloads/firmware-0.9.6.tar.bz2>Version 0.9.6</a> includes |
1648 Linux 2.6.29 and uClibc 0.9.30.1, now with support for sh4 and upgraded powerpc | |
1649 support.</p> | |
1650 | |
1651 <p>The big news is the <a href=http://impactlinux.com/code/gfs/>Gentoo | |
1652 From Scratch</a> project, which extends a FWL system image into a Gentoo | |
1653 Stage 1 environment, building natively inside qemu.</p> | |
1654 | |
1655 <p>The <a href=documentation.html>documentation</a> has been extensively | |
1656 rewritten (but needs more). The source now contains a README and each image | |
1657 has a usr/src/MANIFEST file listing the packages it built from.</p> | |
1658 | |
1659 <p>The cross and native toolchains now include ldd, readelf, and | |
1660 ldconfig. Added support for hardware targets (an unfinished example | |
1661 of which is hw-wrt610n) that use the same cross compiler and system | |
1662 image as a qemu platform, but build/package a different kernel to boot | |
1663 on actual hardware.</p> | |
1664 | |
1665 <p>Several new build options:</p> | |
1666 <ul> | |
1667 <li><p><b>$SYSIMAGE_TYPE</b> defaults to "ext2" but can now | |
1668 produce and boot "initramfs" images as well. (And squashfs, but that doesn't | |
1669 work yet due to missing features in squashfs tools version 3.4.)</p></li> | |
1670 <li><p>Setting <b>$HOST_BUILD_EXTRA</b> compiles qemu 0.10.1 in host-tools.sh. | |
1671 You currently need to do this to run sh4 or powerpc, 0.10.1 has some bugs | |
1672 needing patches. Not on by default because it takes a _long_ time.</p></li> | |
1673 <li><p><b>$NO_CLEANUP</b> keeps source around after builds for debugging purposes.</p></li> | |
1674 <li><p><b>$SYSIMAGE_HDA_MEGS</b> lets you control the size of the ext2 system images.</p></li> | |
1675 <li><p><b>$SNAPSHOT_SYMLINK</b> lets the extracted source live on a different | |
1676 filesystem than the build happens on. (Once the updated squashfs userspace | |
1677 tools ship, build-static-toolchains.sh may be updated to use this.)</p></li> | |
1678 <li><p><b>$CROSS_SMOKE_TEST</b> use qemu application emulation to test run hello | |
1679 world program at the end of the cross compiler build stage.</p></li> | |
1680 <li><p><b>$SKIP_STAGE_TARBALLS</b> don't create tarballs of each stage, | |
1681 just populate the directories.</p></li> | |
1682 <li><p><b>$NATIVE_RETROFIT_CXX</b> retroactively add uClibc++ to the cross | |
1683 compiler tarball during the native build stage.</p></li> | |
1684 </ul> | |
1685 | |
1686 <p>The run-emulator.sh scripts of system images have several new options, | |
1687 do "./run-emulator.sh --help" for a list. Takes several environment | |
1688 variables such as $QEMU_EXTRA and $KERNEL_EXTRA. Root filesystems can | |
1689 now run in read only mode with "KERNEL_EXTRA=ro".</p> | |
1690 | |
1691 <p>Lots of build infrastructure upgrades. The build stages have been | |
1692 reorganized somewhat (most noticeably package-mini-native.sh is now called | |
1693 system-image.sh). The "sources/packages" directory has moved up a | |
1694 directory (to separate repository files from stuff downloaded at runtime). | |
1695 Upgrades to the cc wrapper and the USE_UNSTABLE infrastructure. Better | |
1696 stripping of the cross compilers and system images, so everything's a bit | |
1697 smaller. The mirror list now lives in download.sh. New buildall.sh is a | |
1698 wrapper around build.sh. New build-static-toolchains.sh builds them under | |
1341
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1699 qemu; set FORK=1 to build them in parallel just like buildall.sh. The |
694 | 1700 ext2 system images are now built at a small size with genext2fs and |
1701 then expanded with resize2fs (because genext2fs slows down exponentially | |
1702 as size increases; this means e2fsprogs is built in host-tools.sh now). | |
1703 Distcc has been upgraded, and should work more reliably now.</p> | |
1704 | |
1705 <p>Too many little bug fixes to list.</p> | |
1706 | |
927 | 1707 <hr> |
1708 <h2><a name=12-16-2008 />December 16, 2008</h2> | |
543
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1709 <p>The mailing list moved to firmware at impactlinux.com. The link in |
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1710 the nav bar on the left has changed, but the |
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536
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1711 <a href=http://www2.them.com:8080/cgi-bin/mailman/listinfo/firmware>old |
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1712 archives</a> are still there for the moment.</p> |
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1713 |
927 | 1714 </hr> |
1715 <h2><a name=12-03-2008 />December 3, 2008</h2> | |
523 | 1716 <p>After several false starts (I.E. last minute bugs, yes I test this thing |
1717 before shipping it), | |
1718 <a href=downloads/firmware-0.9.5.tar.bz2>Version 0.9.5</a> is out, inching | |
1719 towards a 1.0 release. Lots of new work this time.</p> | |
1720 | |
1721 <p>The biggest news is uClibc 0.9.30 and uClibc++ 0.2.2. The native toolchain | |
1722 now supports C++, hooked up to distcc and everything.</p> | |
1723 | |
1724 <p>The <a href=documentation.html>documentation</a> has been extensively | |
1725 rewritten. (There's always more to do, but most of it isn't horribly out | |
1726 of date anymore.)</p> | |
1727 | |
1728 <p>The packaging stage now uses genext2fs instead of User Mode Linux, so | |
1729 the most brittle part of the build has been removed. FWL can now fully | |
1730 rebuild itself under itself, all the way through the packaging stage.</p> | |
1731 | |
1732 <p>My personal website's getting a touch overwhelmed, so a higher bandwidth | |
1733 site is now available at | |
1734 <a href=http://impactlinux.com/fwl>impactlinux.com</a>. This should become | |
1735 the new primary website going forward.</p> | |
1736 | |
1737 <p>BusyBox has also been upgraded (to 1.13.0), and the new USE_UNSTABLE | |
1738 infrastructure allows test versions of any package to be downloaded and built | |
1739 without forking the build scripts, so future package upgrades can be dealt | |
1740 with as side projects without blocking other important work.</p> | |
1741 | |
1742 <p>The packaging stage now uses genext2fs instead of User Mode Linux, so | |
1743 the most brittle part of the build has been removed. FWL can now fully | |
1744 rebuild itself under itself, all the way through the packaging stage.</p> | |
1745 | |
1746 <p>The old forkbomb script has been replaced with sources/build-all-targets.sh. | |
1747 with an argument --fork to build all targets in parallel, and "--fork 3" | |
1748 to limit the parallelism. This script can run from a cron job, producing | |
1749 a "buildall" directory with tarballs, compressed logs, and a README file | |
1750 listing the version of each package. The environment variable USE_STATIC_HOST | |
1751 specifies an $ARCH to create statically linked cross compilers | |
1752 for. (The build will then try to use them for the later stages, | |
1753 and won't get far if you specify an arch that can't run on the host.)</p> | |
1754 | |
1755 <p>The include.sh script has been broken up, with a new sources/functions.sh | |
1756 containing shell functions (like download, setupfor, and cleanup) and | |
1757 a new "config" setting the user-editable environment variables that control | |
1758 the build. Several of these variables have been renamed and their number has | |
1759 grown. You can now specify the colors for each build stage using the variables | |
1760 at the end of config.</p> | |
1761 | |
1762 <p>Building mini-native in a Linux From Scratch style /tools directory is | |
1763 no longer the default. Instead set NATIVE_TOOLSDIR=1 if you want that | |
1764 kind of layout instead of a more conventional layout. (Similarly, | |
1765 NATIVE_TOOLCHAIN=1 now enables the native toolchain, but that variable | |
1766 defaults to enabled in config.)</p> | |
1767 | |
1768 <p>See the <a href=documentation.html>docs</a> for details.</p> | |
1769 | |
927 | 1770 <hr> |
1771 <h2><a name=08-06-2008 />August 6, 2008</h2> | |
388
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1772 <p><a href=downloads/firmware-0.9.0.tar.bz2>Version 0.9.0</a> is out |
1321
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1773 (<a href=/hg/firmware/shortlog/378>changeset 378</a>) |
388
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1774 and can rebuild itself under itself. (The packaging step still requires User |
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1775 Mode Linux to create ext2 images, which only works on x86 and x86-64 hosts. |
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1776 The next release should replace that with something more portable.) |
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1777 The root filesystem is now based on BusyBox 1.11.1 (plus a few bug fixes).</p> |
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1778 |
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1779 <p>The prebuilt binary images have been moved into their own |
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|
1780 <a href=downloads/binaries>binaries</a> directory. |
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1781 The prebuilt binary <a href=downloads/binaries/cross-compiler>cross |
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1782 compilers</a> are statically linked against uClibc for better portability. |
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1783 Updated the <a href=downloads/README>README</a> to better describe the |
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1784 contents of the <a href=downloads/binaries/system-image>system-image |
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1785 tarballs</a>.</p> |
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|
1786 |
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Rob Landley <rob@landley.net>
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1787 <p>The forkbomb.sh script can now take a number of parallel targets to |
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1788 launch, for example "./forkbomb.sh --fork 3". (The resulting display is kind |
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1789 of horrible but the out-$ARCH.txt files are still legible.) Leaving off the |
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1790 number still builds all targets in parallel, with the original display.</p> |
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1791 |
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1792 <p>The include.sh script was reorganized so that interesting environment |
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1793 variables the user might want to export for themselves are set near the top |
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1794 of the script. Currently this includes:</p> |
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1795 |
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1796 <ul> |
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Rob Landley <rob@landley.net>
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1797 <li><p><b>BUILD_SHORT</b> - Makes the mini-native.sh stage skip building |
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1798 development tools. The resulting mini-native root filesystem contains uClibc |
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1799 and busybox, but nothing else. (Export "BUILD_SHORT=headers" to put back the |
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1800 toolchain headers for use by another compiler, such as tinycc.)</p> |
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1801 |
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1802 <li><p><b>BUILD_STATIC</b> - Tell cross-compiler.sh to create static |
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1803 binaries, for a more portable cross compiler toolchain. (If you want them |
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1804 linked against uClibc, build a mini-native for your host, chroot into it, and |
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1805 then rebuild under that.)</li> |
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1806 |
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1807 <li><p><b>PREFERRED_MIRROR</b> - Tell download.sh to fetch packages from a |
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1808 non-default location (falling back to the standard mirror list if it can't get |
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1809 one from there).</p></li> |
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1810 |
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1811 <li><p><b>RECORD_COMMANDS</b> - Record a list of all command lines used during |
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1812 each build stage log files named "cmdlines.$STAGE.$PACKAGE" under the build |
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1813 directory. Each file can be turned into a list of the command names used via |
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1814 "awk '{print $1}' build/cmdlines* | sort -u". The script |
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1815 sources/toys/report_recorded_commands.sh gives a report of all commands |
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1816 used by each package after a call to "RECORD_COMMANDS=1 ./forkbomb.sh". |
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1817 (This is an easy way to find out exactly what environmental dependencies a |
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1818 package needs to build, or at least what it uses out of $PATH).</p></li> |
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1819 </ul> |
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1820 |
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1821 <p>Updated documentation is in progress...</p> |
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1822 |
927 | 1823 <hr> |
1824 <h2><a name=06-06-2008 />June 6, 2008</h2> | |
388
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1825 <p><a href=downloads/firmware-0.4.0.tar.bz2>Version 0.4.0</a> is out |
1321
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1826 (<a href=/hg/firmware/shortlog/345>changeset 345</a>), |
388
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1827 with kernel 2.6.25.4 and the "distcc trick" working out of the box.</p> |
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1828 |
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1829 <p>The distcc trick accelerates a native build by calling out to the |
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1830 cross compiler. To use it, download the appropriate cross-compiler-$ARCH and |
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1831 system-image-$ARCH tarballs, run the "run-with-distcc.sh" from the system image |
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1832 directory with the path to the cross compiler directory as its first argument. |
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1833 (You need to have distcc installed on the host system.)</p> |
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1834 |
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1835 <p>After building from source, the cross-compiler and system-image directories |
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1836 remain in the build directory. The "emulator-build.sh" runs these with |
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1837 distcc acceration set up. The script "smoketest.sh" is a wrapper |
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1838 around emulator-build.sh which feeds a script into qemu's stdin to compile |
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1839 and run a multi-threaded "hello world" under the emulator, using distcc and |
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1840 the cross compiler.</p> |
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1841 |
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1842 <p>If smoketest.sh works for a platform, it means a lot of stuff worked to get |
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1843 that far. The cross compiler worked to build the system, and the emulated |
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1844 system booted so QEMU, the uClibc config, and the kernel config agreed. |
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1845 The emulated system has a working virtual hard drive and serial port, and for |
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1846 distcc to work it has a working virtual network connection. Running "make" |
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1847 would also require a working realtime clock.</p> |
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1848 |
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1849 <p>The seven commands missing in order to run the FWL build under itself |
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1850 are bzip2, sort, diff, wget, install, od, and find. (The busybox versions, |
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1851 where available, had a bug, and they're not in toybox yet.) I'm trying to |
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1852 get those in for the next release in September.</p> |
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1853 |
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1854 <p>Sorry I missed a release back in April. Shouldn't happen again.</p> |
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1855 |
927 | 1856 <hr> |
1857 <h2><a name=01-29-2008 />January 29, 2008</h2> | |
388
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1858 <p><a href=downloads/firmware-0.3.1.tar.bz2>Version 0.3.1</a> is out |
1321
4c0a2018502c
Clean up old references to impactlinux.com, add a FAQ explaining why that site went away, and start the long and winding process of redoing documentation.hmtl.
Rob Landley <rob@landley.net>
parents:
1320
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|
1859 (<a href=/hg/firmware/shortlog/275>changeset 275</a>), with |
388
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1860 kernel 2.6.24. The <a href=downloads/images>images</a> |
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|
1861 are now tarballs each containing the ext2, zImage, and run script files. |
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1862 The run scripts now run qemu-setup.sh by default so /proc, /sys, /dev |
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|
1863 and the virtual network are initialized, and the default shell is busybox |
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1864 ash (so cursor keys and history work).</p> |
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|
1865 |
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Rob Landley <rob@landley.net>
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1866 <p>Sparc is still broken (tracked it down to a dynamic linking bug, I think, |
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Rob Landley <rob@landley.net>
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1867 haven't fixed it yet) and m68k is failing to build with an internal compiler |
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Rob Landley <rob@landley.net>
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1868 error (next release I should upgrade the compiler). All the other targets |
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1869 have a working virtual network, and all but powerpc exit qemu when you |
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1870 exit the PID 1 command shell.</p> |
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Rob Landley <rob@landley.net>
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|
1871 |
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Rob Landley <rob@landley.net>
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1872 <p>Building on an x86-64 host< should no longer be insanely slow (the |
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1873 gcc-min-heapsize arguments that allow 32-bit hosts to build in |
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1874 128 megs of ram do very impolite things to 64-bit hosts), and the resulting |
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1875 x86-64 cross compiler should now be properly relocatable.</p> |
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|
1876 |
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1877 <p>Better build dependency tracking: the host-tools script is now |
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Rob Landley <rob@landley.net>
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|
1878 populating a single directory with all the commands needed by the build, and |
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Rob Landley <rob@landley.net>
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1879 restricting $PATH to that directory (so it can't accidentally call any |
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Rob Landley <rob@landley.net>
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1880 commands that aren't explicitly listed). It's building toybox and busybox to |
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Rob Landley <rob@landley.net>
parents:
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|
1881 provide most of these commands (the remaining ones are listed towards the end |
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Rob Landley <rob@landley.net>
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|
1882 of include.sh), and creating symlinks to the remaining ones out |
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Rob Landley <rob@landley.net>
parents:
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|
1883 of the original $PATH. This allows it to build on a wider range of host |
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Rob Landley <rob@landley.net>
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|
1884 distributions.</p> |
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Rob Landley <rob@landley.net>
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|
1885 |
927 | 1886 <hr> |
1887 <h2><a name=11-02-2007 />November 2, 2007</h2> | |
388
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1888 <p><a href=downloads/firmware-0.3.0.tar.bz2>Version 0.3.0</a> is out |
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Rob Landley <rob@landley.net>
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|
1889 (changeset 242), with kernel 2.6.23. PowerPC finally works under |
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Rob Landley <rob@landley.net>
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diff
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|
1890 qemu (network and everything), and it's building a m68k target |
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Rob Landley <rob@landley.net>
parents:
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|
1891 (although I have no emulator to run that). That means there are |
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Rob Landley <rob@landley.net>
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|
1892 ten targets, of which eight run under qemu. (Sparc is still |
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|
1893 broken, let me know if anybody actually cares.)</p> |
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|
1894 |
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Rob Landley <rob@landley.net>
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1895 <p>The new "./forkbomb.sh --fork" script builds all the targets in |
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|
1896 parallel, or use --nofork if you haven't got the memory for that |
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Rob Landley <rob@landley.net>
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|
1897 (and --watch to watch and existing build if you ctrl-c out of |
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Rob Landley <rob@landley.net>
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1898 the display before it's done).</p> |
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|
1899 |
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1900 <p>The build is now smarter about extracting only one copy of the |
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Rob Landley <rob@landley.net>
parents:
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|
1901 source code (in build/sources) and re-using it for multiple builds, |
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|
1902 building out of tree (via cp -rs to create a tree full of symlinks |
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Rob Landley <rob@landley.net>
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|
1903 so the package doesn't need native out-of-tree support).</p> |
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|
1904 |
927 | 1905 <hr> |
1906 <h2><a name=09-02-2007 />September 2, 2007</h2> | |
388
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1907 <p>Added <a href=new_platform.html>a porting guide</a>. I'm working on |
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|
1908 m68k, ppc, big endian arm, and maybe blackfin targets for the next release, |
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parents:
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1909 and thought other people might be interested in the process. (The vast |
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Rob Landley <rob@landley.net>
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|
1910 majority of it is fiddly debugging. These are the other steps.)</p> |
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|
1911 |
927 | 1912 <hr> |
1913 <h2><a name-06-27-2007 />June 27, 2007</h2> | |
388
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1914 <p><a href=downloads/firmware-0.2.2.tar.bz2>Version 0.2.2</a> is out |
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|
1915 (changeset 185). Using uClibc 0.9.29 release, several small bugfixes, |
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|
1916 new mips big-endian config, actually work when /bin/sh->dash (mostly |
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1917 by explicitly saying /bin/bash everywhere), automatically detect |
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1918 the number of CPUs in the machine to feed -j to make, and better |
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|
1919 diagnostic output.</p> |
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|
1920 |
927 | 1921 <hr> |
1922 <h2><a name=04-09-2007 />April 9, 2007</h2> | |
388
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1923 <p><a href=downloads/firmware-0.2.1.tar.bz2>Version 0.2.1</a> is out |
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1924 (changeset 156). Significant upgrades to armv4l: the native compiler works |
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Rob Landley <rob@landley.net>
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1925 now, and it's using soft-float. Added armv5l and i586 targets to show how |
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Rob Landley <rob@landley.net>
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|
1926 to do that kind of variant. Added preliminary powerpc support (although |
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|
1927 qemu can't run it yet). Reorganized the download directory and rewrote |
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|
1928 the <a href=downloads/README>README</a>. Added squashfs back (the kernel |
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1929 supports it, but it's not using it yet). Moved uClibc to miniconfig. |
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1930 (Yes, the patch for this is huge, and yes I need to push it all upstream into |
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1931 the Linux kernel. On the bright side, this one builds on a host that doesn't |
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1932 have curses installed.) Stopped trying to build qemu (at least until they |
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1933 get the gcc 3.x dependencies cleaned out), now just warn if it's not there |
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1934 (so far the build only uses it to sanity-test the cross compiler, which is |
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1935 now skipped automatically if it's not there).</p> |
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1936 |
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1937 <p>I note that some versions of Ubuntu (Edgy and up) are pushing a political |
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1938 agenda. They install bash, but point /bin/sh to dash instead. (So why |
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1939 install bash if you're not going to use it?) This breaks all sorts of things, |
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1940 and if somebody can tell me how to force make to run "/bin/bash" instead of |
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1941 "/bin/sh", I'll consider trying to deal with the mess. Until then, I suggest |
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1942 "rm /bin/sh; ln -s bash /bin/sh" to get a working system. (I'm no fan of |
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1943 bash, but dash is just broken.)</p> |
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1944 |
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1945 <p>(Those of you who use vi and want to be able to use the cursor keys while |
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1946 in insert mode might want to do something similar with vi->vim. Ubuntu seems |
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1947 to be trying to train users to change their habits. Dog biscuits would be a |
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1948 more honest approach.)</p> |
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1949 |
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1950 <p>Update: I've been pointed at |
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1951 <a href=https://wiki.ubuntu.com/DashAsBinSh>this</a> as evidence Ubuntu isn't |
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1952 pushing a political agenda. Ok, maybe it's just really bad technical judgement. |
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1953 Are they honestly saying that people write shell scripts for the speed? And |
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1954 how do you make a size argument and then install bash by default in ADDITION |
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1955 to the other shell? Boggle. In 1991 after Linus Torvalds taught his term |
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1956 program to understand the minix filesystem so he could upload and download |
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1957 without rebooting, he taught it to handle the system calls of bash so he could |
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1958 rm/mv/mkdir without rebooting. That's where Linux 0.0.1 |
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1959 came from. Bash was the default Linux shell _before_ 0.0.1. Be very |
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1960 careful messing with that kind of a de-facto standard, guys. Dash is |
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1961 garbage. Background a process with & and then hit ctrl-c: it'll kill it. |
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1962 It doesn't understand blah/{blah,blah} file list syntax. It can't do |
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1963 "source file.sh" (just ". file.sh", which is unreadable). I repeat: I'm not a |
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1964 fan of bash (yeah, the bloat's getting crazy), but dash is broken.</p> |
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1965 |
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1966 <p>And that still doesn't explain why "vi" can't use the cursor keys in |
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1967 insert mode, but "vim" can...</p> |
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1968 |
927 | 1969 <hr> |
1970 <h2><a name=03-06-2007 />March 6, 2007</h2> | |
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1971 <p>Version 0.2.0 is out. This one builds ext2 images which can boot up to a |
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1972 shell prompt under qemu. This works on i686, armv4l, x86_64, and mipsel. |
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1973 (Sparc's broken. Anyone who cares about sparc is welcome to debug it.)</p> |
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1974 |
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1975 <p>There are now prebuilt ext2 image files in the download directory. |
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1976 The kernels are in the mini-native tarballs. (Yeah, I should repackage that |
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1977 next release.) The system emulator invocation for each platform is |
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1978 the appropriate sources/configs file, and run-mini-native.sh invokes 'em.</p> |
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1979 |
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1980 <p>The mailing list is in the usual place if you have any questions.</p> |
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1981 |
927 | 1982 <hr> |
1983 <h2><a name=01-14-2007 />January 14, 2007</h2> | |
388
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1984 <p>There's a new irc channel for the project, #firmware on freenode.</p> |
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1985 |
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1986 <p><a href=http://landley.net/hg/firmware?cl=88>Changeset 88</a> builds |
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1987 i686, x86_64, armv4l, mips, and sparc. I've made a release tarball of |
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1988 that (<a href=downloads/firmware-0.1.1.tar.bz2>firmware 0.1.1</a>, "It works |
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1989 for me"), and updated the prebuilt cross-compiler tarballs in the |
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1990 <a href=downloads>downloads</a> directory. I've added a big README and |
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1991 prebuilt mini-native tarballs for each platform (although packing them up into |
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1992 something qemu can boot is currently left as an exercise for the reader).</p> |
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1993 |
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1994 <p>Speaking of which, I'm currently working on adding ext2 packaging |
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1995 (via <a href=http://landley.net/code/toybox>toybox</a>) to the build scripts, |
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1996 so qemu system emulation can boot the result and then run the next stage |
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1997 automatically.</p> |
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1998 |
927 | 1999 <hr> |
2000 <h2><a name=12-28-2006 />December 28, 2006</h2> | |
388
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2001 <p><a href=http://landley.net/hg/firmware?cl=68>Changeset 68</a> builds |
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2002 a native build environment with a working toolchain. And in celebration, I've |
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2003 revamped the website with an actual navigation bar and content and such.</p> |
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2004 |
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2005 <p>I should put out a release soon.</p> |
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2006 |
927 | 2007 <hr> |
2008 <h2><a name=12-05-2006 />December 5, 2006</h2> | |
388
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2009 <p><a href=http://landley.net/hg/firmware?cl=27>Changeset 27</a> builds |
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2010 a relocatable armv4l cross-compile toolchain! Download the tarball, |
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2011 run ./download.sh, then run ./build.sh, then grab the "build/cross-compiler" |
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2012 directory and use "bin/armv4l-unknown-linux-gnu-gcc" out of that (which |
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2013 I admit is a bit of a mouthful, for which I blame the FSF).</p> |
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2014 |
927 | 2015 <hr> |
2016 <h2><a name=08-06-2006 />August 6, 2006</h2> | |
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2017 <p>Mecurial repository created. Nothing to see yet, move along...</p> |
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2018 |
0da87d1ef528
Update the web page. Put the left-side nav bar back, move about page to "about.html" and make news.html the default index. Add architectures page. Note that IRC discussion is now on #edev.
Rob Landley <rob@landley.net>
parents:
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2019 <!--#include file="footer.html" --> |