Mercurial > hg > aboriginal
annotate www/news.html @ 1436:5a6a991c9b3d
Spelling contributors' names right is a good thing.
| author | Rob Landley <rob@landley.net> |
|---|---|
| date | Thu, 08 Sep 2011 08:41:40 -0500 |
| parents | 7e0747a665ab |
| children | 1dbc3634ad0e |
| rev | line source |
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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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5 |
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6 <b><h1>News</h1></b> |
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7 |
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8 <hr /> |
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9 <h2><a name="08-22-2011" />June 22, 2011</h2> |
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10 <p>The |
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11 <a href=downloads/aboriginal-1.0.3.tar.bz2>1.0.3 release</a> is out, |
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12 based on hg commit |
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13 <a href=http://landley.net/hg/aboriginal/143>1430</a>. |
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14 This release includes the long-awaited Linux 3.0 and uClibc 0.9.32 |
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15 releases, along with BusyBox 1.19.0 (and Dropbear 0.53.1 in the static |
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16 tools).</p> |
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17 |
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18 <p>This release is still using pthreads, but NTPL support is a goal for next |
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19 release. (It's just a uClibc config change.)</p> |
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20 |
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21 <p>The other big news is that the control-images got split out to |
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22 <a href=http://landley.net/hg/control-images>their own repository</a>, |
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23 with <a href=control-images>their own web page</a>.</p> |
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24 |
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25 <p>The Aboriginal Linux project is feature complete ever since the 1.0 |
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26 release, and other than adding support for more targets the only major |
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27 todo items left are a big documentation update, more automation via cron job, |
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28 and enabling NPTL support. (This release is still using pthreads, but NPTL |
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29 support is a goal for next release. It's just a uClibc config change at |
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30 this point, 0.9.32 has support but needs more tweaking and testing.)</p> |
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31 Since control images are not feature complete (and there's really no obvious |
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32 limit to what you can do with them), they deserve to be their own project.</p> |
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33 |
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34 <p>Other changes:</p> |
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35 |
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36 <ul> |
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37 <li> |
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38 <p>The default kernel configuration replaces includes v9fs (as used in virtfs or |
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39 the diod server) instead of the older NFS. In addition Alessio Igor Bogani |
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40 contributed i686-virtio and powerpc-virtio targets, using the new virtio |
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41 infrastructure in KVM to provide efficient emulation-friendly virtual |
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42 devices.</p> |
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43 </li> |
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44 |
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45 <li> |
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46 <p>Several random bugfixes and cleanups (BINARY_PACKAGE_TARBALLS should |
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47 work again, the root filesystems now use devtmpfs instead of mdev).</p> |
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48 </li> |
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49 |
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50 <li> |
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51 <p>Major cleanup on sources/targets, now most entries are a single file. |
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52 The hold hw- prefix stuff went away, now the ones that are files are built |
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53 by more/buildall.sh and the ones that are directories are the derived stuff |
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54 that only gets built if you specify it explicitly. (read_arch_dir is |
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55 now called load_target, and the new base_architecture function reads in |
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56 a base architecture that this one derives from.)</p> |
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57 </li> |
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58 |
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59 <li> |
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60 <p>The new more/smoketest-report.sh produces CSV output with more info. |
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61 (I need to follow this up with a nightly cron job and a pretty |
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62 web page generator.)<p> |
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63 </li> |
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64 </ul> |
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65 |
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66 <hr /> |
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67 <h2><a name="06-14-2011" />June 14, 2011</h2> |
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68 |
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69 <p>The long overdue <a href=downloads/aboriginal-1.0.2.tar.bz2>1.0.2 |
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70 release</a> is out, based on hg commit |
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71 <a href=http://landley.net/hg/aboriginal/1375>1375</a>.</p> |
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72 |
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73 <p>This release includes several bugfixes, package version upgrades for Linux |
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74 (2.6.39), BusyBox (1.18.4), and Squashfs (4.2), and some minor user interface |
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75 tweaks. (Still using uClibc 0.9.31, NTPL is bumped to next release.)</p> |
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76 |
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77 <h2>Targets</h2> |
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78 |
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79 <p>This moves forward three(!) kernel releases (sorry), and although several |
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80 targets bit-rotted along the way (notably armv6l, sh4, and mips) they're all |
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81 fixed now, including some that didn't work last release.</p> |
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82 |
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83 <p>QEMU still doesn't emulate the big endian arm or |
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84 m68k targets, powerpc-440fp needs to be switched to QEMU's -M bamboo board |
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85 emulation now that it can actually emulate a 440, and mips64 and sparc boot |
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86 to a shell prompt but contain bugs in either uClibc or the kernel that make |
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87 them unreliable.</p> |
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88 |
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89 <p>All the other targets can at least natively compile and run |
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90 "hello world", and the arm, x86, mips, and powerpc targets built |
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91 static versions of dropbear and strace (available in the |
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92 <a href=downloads/binaries/extras>extras directory</a>, or by using |
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93 native-build.sh with the static-tools.hdc <a href=downloads/binaries/control-images>control image</a>).</p> |
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94 |
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95 <h2>Bugfixes</h2> |
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96 |
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97 <ul> |
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98 <li>Commit <a href=http://landley.net/hg/aboriginal/rev/1323>1323</a> fixes a |
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99 bad path in the static-tools build)</li> |
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100 <li>Commit <a href=http://landley.net/hg/aboriginal/rev/1327>1327</a> fixes |
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101 ccwrap to understand -xc</li> |
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102 <li>Commit <a href=http://landley.net/hg/aboriginal/rev/1328>1328</a> puts |
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103 libnsl back</li> |
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104 <li>Commit <a href=http://landley.net/hg/aboriginal/rev/1332>1332</a> makes |
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105 #!/bin/sh point to bash instead of hush</li> |
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106 <li>Commit <a href=http://landley.net/hg/aboriginal/rev/1335>1335</a> makes |
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107 download.sh check if sha1sum is installed on the host (so it can fail with a |
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108 better error message)</li> |
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109 <li>Commit <a href=http://landley.net/hg/aboriginal/rev/1344>1344</a> |
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110 serializes scratch disk image creation during parallel builds of all targets (so the |
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111 disk I/O storm doesn't trigger timeouts during native builds of dropbear |
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112 and strace).</li> |
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113 <li>Commit <a href=http://landley.net/hg/aboriginal/rev/1364>1364</a> upgrades |
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114 busybox to fix a wget hang.</li> |
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115 </ul> |
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116 |
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117 <h2>New Control Knobs</h2> |
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118 |
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119 <p>Two new build stages <b>root-image.sh</b> and <b>linux-kernel.sh</b> |
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120 got split out from system-image.sh. The first |
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121 makes a filesystem image from a root filesystem directory, |
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122 the second builds a kernel. This leaves system-image.sh to |
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123 create the qemu launch scripts and bundle it all up into a tarball.</p> |
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124 |
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125 <p>The advantage of the split is you can repackage the root filesystem without rebuilding |
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126 your kernel. (Unless you chose SYSIMAGE_TYPE=initramfs, where the output |
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127 of root-image.sh is a prerequisite to linux-kernel.sh.) The downside is |
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128 you have to remember to call the other scripts before calling system-image.sh |
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129 in order for your changes to wind up in the system image. (If you delete |
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130 the tarball you modified out of the build directory, ./build.sh should still work out |
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131 what it needs to rebuild.)</p> |
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132 |
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133 <p><b>Environment variables:</b> SYSIMAGE_HDA_MEGS now defaults to 2 gigabytes |
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134 (only currently matters for SYSIMAGE_TYPE=ext2). The more/buildall.sh script |
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135 now pays attention to NO_CLEAN and BUILD_NATIVE_ONLY. As always, the |
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136 environment variables are documented in the config file at |
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137 the top of the source tree, and leaving them blank should provide sane |
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138 default behavior.</p> |
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139 |
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140 <p>Two new scripts in the system image's /sbin directory are:</p> |
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141 |
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142 <ul> |
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143 <li><p><b>setup-chroot /home/mydir [COMMAND...]</b></p> |
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144 |
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145 <p>This script copies the system-image's (generally read-only) root filesystem |
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146 into a writeable subdirectory, copies the other mounts ("mount --bind /proc |
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147 /home/mydir/proc" and so on), and chroots into the resulting directory to |
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148 run the rest of the command line. (If no commands are specified, chroot |
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149 runs /bin/sh for an interactive shell prompt.)</p> |
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150 |
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151 <p>When the chroot exits, the script cleans up all the mount points but |
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152 leaves the directory contents.</p> |
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153 |
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154 <p>This lets you use a read-only system image to build and install software |
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155 into a chroot.</p> |
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156 |
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157 <p>If the target directory already exists, the script will just redo the |
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158 --bind mounts, and won't copy files.</p> |
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159 </li> |
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160 |
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161 <li><p><b>zap-chroot</b> - The cleanup script to remove all mounts under a |
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162 specified subdirectory.</p></li> |
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163 </ul> |
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164 |
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165 <p>In the system images, root's home directory is now /home/root so it's |
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166 in known writeable space you can stick a .ssh directory in for dropbear.</p> |
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167 |
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168 <hr /> |
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169 <h2><a name="02-13-2011" />February 13, 2011</h2> |
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170 <p>The repository is back up, and tweaked so it generates correct URLs without |
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171 superfluous cgi names in them.</p> |
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172 |
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173 <p>I see from the release RSS feed (go to repository viewer, then click "tags" |
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174 and then "rss") that we're due for the next release in the first half of March.</p> |
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175 |
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176 <p>I'd better get on that. (I'm aiming for a version of uClibc with NPTL |
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177 working on at least x86/64, arm, mips, and powerpc. There's some work to do |
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178 between now and then...)</p> |
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179 |
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180 <hr /> |
| 1326 | 181 <h2><a name="02-08-2011" />February 8, 2011</h2> |
| 182 <p>The website was down again while we switched web hosts, but we're back up | |
| 183 on dreamhost now, which has buckets more bandwidth and lets us have a | |
| 184 <a href=http://lists.landley.net/listinfo.cgi/aboriginal-landley.net>mailing | |
| 185 list</a> again.</p> | |
| 186 | |
| 187 <p>I still need to figure out how to enable mercurial on the new host, so | |
| 188 the repository is down at the moment, but I should get that fixed up | |
| 189 soon.</p> | |
| 190 | |
| 1022 | 191 <hr> |
| 1320 | 192 <h2><a name="01-02-2011" />January 2, 2011</h2> |
| 193 <p>It's a month late, but | |
| 194 <a href=downloads/aboriginal-1.0.1.tar.bz2>Aboriginal Linux 1.0.1</a> is | |
| 195 finally out, | |
| 1324 | 196 based on <a href=/hg/aboriginal/shortlog/1318>hg commit |
| 1320 | 197 1318</a>, using Linux 2.6.36, uClibc 0.9.31, and BusyBox 1.18.0.</p> |
| 198 | |
| 199 <b><h3>Automated native build control images</h3></b> | |
| 200 | |
| 201 <p>The big news this time is the native build | |
| 202 <a href=downloads/binaries/control-images>control images</a>, especially | |
| 203 the one to build Linux From Scratch 6.7.</p> | |
| 204 | |
| 205 <p>These control images drive the automated build infrastructure (first | |
| 206 introduced back around release 0.9.8 and substantially improved since then). | |
| 207 They allow you to fire up a system image under QEMU and run a completely | |
| 208 automated native build.</p> | |
| 209 | |
| 210 <p>To use a control image, cd into a system-image | |
| 211 directory and run "./native-build.sh path/to/control-image.hdc". The | |
| 212 result should wind up in the "uploads" subdirectory. To build control images | |
| 213 from source, run "more/build-control-images.sh" and look in | |
| 214 "build/control-images" afterwards. The build scripts live in | |
| 215 "sources/control-images".</p> | |
| 216 | |
| 217 <p>The <a href=downloads/binaries/control-images/lfs-bootstrap.hdc>lfs-bootstrap.hdc</a> | |
| 218 image builds most of <a href=http://www.linuxfromscratch.org/lfs/view/6.7/>Linux From Scratch 6.7</a>. | |
| 219 It doesn't replace the toolchain or C library, and stubs out | |
| 220 internationalization support, but builds everything else (about 50 packages | |
| 221 total). This build runs to completion reliably on i686, x86_64, and | |
| 222 armv5l. Making it do that smoked out a lot of subtle bugs and configuration | |
| 223 issues in the build environment, resulting in much improved system images. | |
| 224 This LFS build sometimes finishes on mips and powerpc, and | |
| 225 sometimes randomly dies for various asynchronous reasons that seem like | |
| 226 something wrong in uClibc's pthreads locking code, although that's just | |
| 227 a guess. (Since the uClibc developers (finally!) shipped a 0.9.32-rc1 with NPTL | |
| 228 support on all targets, I expect the fix will involve upgrading. Part of the | |
| 229 delay in this release was me playing around with that, but I'm releasing a | |
| 230 checkpoint of the existing code before switching over to the new threading | |
| 231 implementation.)</p> | |
| 232 | |
| 233 <b><h3>What else is new?</h3></b> | |
| 234 | |
| 235 <p>I fixed the static "dropbear" binary to call "ssh" out of $PATH instead of | |
| 236 expecting dbclient at a fixed location, fixed the guest account's | |
| 237 /etc/passwd and /etc/group entries so dropbear can use it, and added a /root | |
| 238 directory to the system images so you can add a .ssh directory to it to make | |
| 239 dropbear happy (possibly by mounting a tmpfs on it first).</p> | |
| 240 | |
| 241 <p>Build infrastructure tweaks: sources/download_functions.sh is now its own | |
| 242 file, and various fixes (only apply patches that end in ".patch") . The root | |
| 243 filesystem's sbin/init.sh now mounts /dev/pts. Bugfix for | |
| 244 SIMPLE_ROOT_OVERLAY, and multiple bugfixes in ccwrap.</p> | |
| 245 | |
| 246 <p>Lots of tweaks to the native-build stuff. Redo control image generation, | |
| 247 add bootstrap-skeleton with common code for bootstrapping distros (it has | |
| 248 its own README), and rebase | |
| 249 the half-finished gentoo-bootstrap on top of that. Upgrade | |
| 250 "bisectinate" debugging script to take its test from the command line.</p> | |
| 251 | |
| 252 <p>Several tweaks to uClibc to build LFS packages, and tweaks to the | |
| 253 base kernel config to support NFSv3 and devtmpfs.</p> | |
| 254 | |
| 255 <p>The new more/chroot-splice.sh script combines a root filesystem directory | |
| 256 and a control image directory into a combined version you can chroot into | |
| 257 and run a build from. (It looks for each in the location the build puts | |
| 258 them, build/root-filesystem-$ARCH and build/control-images/$IMAGENAME | |
| 259 respectively.) The new more/zapchroot.sh script unmounts everything under a | |
| 260 directory, which is useful when playing with a root-filesystem via chroot.</p> | |
| 261 | |
| 262 <b><h3>Target support</h3></b> | |
| 263 | |
| 264 <p>I've fallen a bit behind on regression testing the targets, and hope to | |
| 265 catch up next release. (Upgrading the kernel and QEMU breaks things that used | |
| 266 to work.)</p> | |
| 267 | |
| 268 <p>The i486, i586, i686, x86_64, powerpc, armv4l, armv4tl, and armv5l targets | |
| 269 all work (for me) without qualification.</p> | |
| 270 | |
| 271 <p>Last I checked, qemu still didn't support armv4eb or m68k, so I can't | |
| 272 test those, but they build. (The kernel .config is almost certainly wrong | |
| 273 for any target you'll actually be able to run them on, but the toolchain | |
| 274 and root filesystem are probably ok.)</p> | |
| 275 | |
| 276 <p>Updating the kernel broke armv6l: attempting to boot it under qemu exits | |
| 277 with an "unimplemented cp15 register write" error. I'm not sure whether this is | |
| 278 a kernel bug, a qemu bug the upgrade triggered, or some kind of | |
| 279 misconfiguration. The proper fix is probably to look at the other arm boards | |
| 280 QEMU can emulate for newer processors, and switch to one of those.</p> | |
| 281 | |
| 282 <p>QEMU had a MIPS bug that prevented the system images from working for a | |
| 283 version or two (such as the one in Ubuntu 10.04). It's fixed in current | |
| 284 qemu-git, and isn't actually a problem with the mips, mipsel, or mips64 system | |
| 285 images, they work fine under older or newer versions of qemu.</p> | |
| 286 | |
| 287 <p>Sparc broke again (failure to launch init), and Oracle's patent trolling | |
| 288 makes it harder than ever to care. It's on the todo list...</p> | |
| 289 | |
| 290 <p>The only system image that doesn't current compile is sh4. (As noted in the | |
| 291 0.9.11 release notes, the sh4 maintainer broke it on purpose, which also makes | |
| 292 it hard for me to care much about that target.)</p> | |
| 293 | |
| 294 <p>The problem with sh4 is once again the kernel, this time a build break:</p> | |
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295 <blockquote> |
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296 arch/sh/kernel/process_32.c:303: error: conflicting types for 'sys_execve'<br /> |
| 1320 | 297 /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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298 </blockquote> |
| 1320 | 299 |
| 300 <p>And even if I bothered to fix that, another change in the sh4 code changed | |
| 301 the serial devices so QEMU's serial console no longer produces output. (Note | |
| 302 that the sh4 test image on qemu.org uses a 2.6.29 kernel, which may be the last | |
| 303 time the thing actually worked for anybody who isn't in a financial relationship | |
| 304 with Renesas.)</p> | |
| 305 | |
| 306 <p>Last I checked, QEMU still didn't support armv4eb or m68k, so I can't | |
| 307 test those. I have patches to make m68k work on aranym and armv6eb work on | |
| 308 actual big endian arm hardware, but haven't merged them yet.</p> | |
| 309 </span> | |
| 310 | |
| 311 <hr> | |
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312 <h2><a name="11-03-2010" />November 3, 2010</h2> |
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313 <p>My apologies for the lack of notice, the impactlinux.com domain unexpectedly |
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314 went away saturday. The landley.net mirror is still up, and is |
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315 becoming the main site again for the moment despite its' limited bandwidth. |
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316 I'll see if I can recover the mailing list subscriptions, but I wouldn't |
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317 count on it.</p> |
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318 |
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319 <p>Still working on the next release, currently scheduled for around the start |
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320 of December. Until we get a new mailing list, the |
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321 <a href=/hg/aboriginal>source control log</a> shows what's changing, and |
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322 you can always email me directly, rob at landley dot net.</p> |
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323 |
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324 <hr> |
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325 <h2><a name="09-05-2010" />September 5, 2010</h2> |
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326 <p>There's an old saying, "eventually you need to shoot the |
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327 engineers and go into production". Aboriginal Linux can now bootstrap a |
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328 native development environment on an arbitrary target, and build packages |
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329 under the result. There's always more to do, but it does what it set |
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330 out to do. And thus:</p> |
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331 |
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332 <p><a href=downloads/aboriginal-1.0.0.tar.bz2>Aboriginal Linux 1.0</a> is out, |
| 1324 | 333 based on <a href=/hg/aboriginal/shortlog/1238>hg commit |
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334 1238</a>, using Linux 2.6.35, uClibc 0.9.31, and BusyBox 1.17.2.</p> |
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335 |
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336 <p>Yes, it's been over five months since the last release. I didn't want to |
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337 ship yet another intermediate release before doing 1.0, but I was trying |
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338 to run out of todo items before shipping. (Yeah, I should know better. |
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339 Sorry for the delay.)</p> |
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340 |
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341 <p>The following are release notes, not proper documentation. Proper |
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342 documentation (including an introduction to the whole thing) is the next |
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343 big TODO item.</p> |
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344 |
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345 <b><h3>Targets</h3></b> |
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346 |
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347 <p>The arm, mips, powerpc, and x86 targets all work. Sparc works statically |
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348 linked, but dynamic linking is still broken. Khem Raj fixed mips64 dynamic |
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349 linking, but the native compiler still doesn't work. The m68k target builds |
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350 again, although QEMU still doesn't emulate it. The sh4 target and big endian |
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351 arm are are still broken.</p> |
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352 |
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353 <p>The snapshots page needs updating. The documentation needs updating.</p> |
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354 |
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355 <b><h3>System image updates</h3></b> |
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356 |
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357 <p>The native-build.sh script moved into each system image. This means you |
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358 can now download a system image tarball and a control image, then run a |
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359 native build without any dependencies on the Aboriginal Linux build scripts. |
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360 This script is a wrapper around dev-environment.sh which takes one argument, |
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361 the name of the control image file.</p> |
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362 |
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363 <p>The build only puts dev-environment.sh and run-from-build.sh into a |
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364 system image when the system image includes native development tools.</p> |
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365 |
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366 <b><h3>Control Images</h3></b> |
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367 |
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368 <p>This release adds prebuilt binary build control images, generated |
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369 by more/build-control-images.sh and shipped in the |
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370 <a href=downloads/binaries/control-images>control-images</a> directory. |
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371 These are squashfs filesystems containing source code and an init script to |
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372 build it and upload it to the host (using the $FTP_SERVER and $FTP_PORT |
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373 variables, set by native-build.sh).</p> |
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374 |
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375 <p>If these |
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376 images are loaded into /dev/hdc of the emulated system, the system image's |
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377 init script will mount that on /mnt and run /mnt/init instead of a shell |
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378 prompt, so the build is completely automated.</p> |
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379 |
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380 <p>Control images are provided to build hello world, build static dropbear |
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381 and strace binaries, run the busybox test suite, and an in-progress script |
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382 to bootstrapping Gentoo Stage 1 does about the first 2/3 of the job.</p> |
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383 |
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384 <b><h3>Root filesystem improvements</h3></b> |
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385 |
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386 <p>The root filesystem broke into two stages: simple-root-filesystem just |
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387 contains a simple "defconfig busybox plus uClibc" system, enough to boot |
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388 to a shell prompt. The native-compiler stage is like cross-compiler only |
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389 unprefixed, built to run on the target, and including make, bash, and |
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390 distcc. The root-filesystem stage combines the two into a single root |
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391 filesystem with native development tools.</p> |
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392 |
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393 <p>If the root filesystem is mounted read only, the init script will now |
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394 mount a tmpfs on /home if there's no /dev/hdb to provide writeable scratch |
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395 space. Chroot environments should now use Google's 8.8.8.8 nameserver |
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396 by default. The distcc binaries moved out of /bin to the /distcc directory.</p> |
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397 |
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398 <p>The "oneit" binary became a standalone program, and uses the / directory |
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399 as PID 1's working directory, allowing you to umount /home if necessary. |
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400 Toybox's "patch" command went upstream into busybox, and busybox's defconfig |
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401 once again supports netcat server mode, so toybox was removed. We're now |
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402 using a defconfig busybox, so configuring it properly is their problem.</p> |
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403 |
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404 <b><h3>Build scripts </h3></b> |
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405 |
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406 <p>The kernel configuration got collated to sources/baseconfig-linux (just |
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407 like baseconfig-uClibc), and the various packages were migrated to use |
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408 that. The kernel config is now the baseconfig plus the settings |
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409 entry $LINUX_CONFIG. You can still supply a miniconfig-linux file to |
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410 override this, and some architectures still do that. The ones that have |
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411 been migrated to use a shared baseconfig are a lot more regular now, |
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412 and the differences between architectures broken out and isolated.</p> |
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413 |
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414 <p>The build stages were broken up to be more granular. The root-filesystem.sh |
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415 stage now merely collates the output of two previous stages: |
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416 simple-root-filesystem.sh (which produces just enough of a root filesystem |
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417 to boot to a shell prompt, based on uClibc and busybox plus a few init scripts |
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418 and config files), and native-compiler.sh (a portable native toolchain).</p> |
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419 |
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420 <p>The system-image.sh stage now generates the dev-environment.sh script. |
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421 It only puts dev-environment.sh and native-build.sh scripts in the tarball |
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422 when NO_NATIVE_COMPILER is blank (and thus the build includes native |
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423 development tools), or if root-filesystem isn't available in which case |
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424 it'll automatically use simple-root-filesystem.</p> |
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425 |
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426 <p>Several more package builds were moved to sources/sections.</p> |
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427 |
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428 <p>The new "more" subdirectory collects together all the user-runnable |
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429 scripts that aren't build stages. (Many of these were previously in |
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430 sources/more.) New scripts in this directory include:</p> |
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431 |
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432 <ul> |
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433 <li>Scripts to run newly built system images out of the build directory |
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434 ("run-emulator-from-build.sh $ARCH", "dev-environment-from-build.sh $ARCH", |
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435 and "native-build-from-build.sh")</li> |
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436 |
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437 <li>test.sh - Wrapper script to run commands in the build environment, with |
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438 read_arch_dir loaded. Useful for things like |
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439 "STAGE_NAME=simple-cross-compiler more/test.sh sparc build_stage uClibc", |
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440 or to dump the build context's environment variables ala "more/test.sh env"</li> |
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441 |
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442 <li>timeout.sh $SECONDS command... - Wrapper to run a child process and |
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443 kill it if it doesn't produce a line of output for $SECONDS seconds.</li> |
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444 |
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445 <li>build-control-images.sh - build all control images from sources/native-builds.</li> |
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446 |
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447 <li>for-each-target.sh - iterate through every defined target architecture |
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448 and run a command.</li> |
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449 </ul> |
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450 |
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451 <b><h3>Website</h3></b> |
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452 |
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453 <p>A new cron job is populating the |
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454 <a href=downloads/binaries/snapshots>snapshots</a> directory. Currently only |
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455 the stable versions, but the unstable versions should wander back in |
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456 eventually. (When the bisectinate and migrate-kernel scripts catch up to |
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457 what they need to do to properly test unstable packages.)</p> |
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458 |
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459 <p>More documentation: The "about" page got redone, and the FAQ was fluffed |
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460 out with a new debugging section. Michael S. Zick wrote up mips docs for the |
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461 architecture page, and the build scripts grew even more comments.</p> |
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462 |
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463 <b><h3>General Infrastructure</h3></b> |
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464 |
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465 <p>The control image generation was upgraded so each control image |
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466 source can have its own patch directory and file directory. (This needs |
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467 more work.)</p> |
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468 |
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469 <p>Environment variable sanitization: the sanitize_environment function |
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470 unsets any environment variable it doesn't recognize, either from a whitelist |
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471 or from config. Clearing all unrecognized environment variables insulates |
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472 the build from some of the strange environments out there. To disable this |
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473 behavior, export NO_SANITIZE_ENVIRONMENT=1.</p> |
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474 |
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475 <p>New config variables:</p> |
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476 |
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477 <ul> |
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478 <li>STATIC_CC_HOST became CROSS_HOST_ARCH, set that and second stage cross |
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479 compiler gets built.</li> |
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480 |
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481 <li>The new ALLOW_PATCH_FAILURE=1 variable continues despite a patch failing to |
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482 apply.</li> |
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483 |
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484 <li>NO_HOST_TOOLS=1 tells build.sh to skip the host tools step, which is seldom |
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485 a good idea but there you have it. The new HOST_EXTRA is an equally horrible |
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486 idea, but if you feel the need it's a list of extra commands to pass through |
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487 from the host $PATH.</p> |
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488 |
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489 <li>NO_CPLUSPLUS=1 tells it not to add C++ support in the toolchains it |
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490 builds.</p> |
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491 |
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492 <li>NO_CLEANUP isn't a new variable, but you can now set this for entire |
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493 builds and it should work.</li> |
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494 </ul> |
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495 |
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496 <p>ccwrap improvements: Handle unexported $PATH better. It doesn't need to |
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497 search $PATH when argc[0] is a path (either absolute or relative to the current |
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498 directory). Also use Scrt1.o when building a shared library. (Oddly this |
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499 never caused a problem before, but do the right thing anyway.)</p> |
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500 |
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501 <p>Upgrades to BUILD_STATIC: it now takes a comma separated list of packages, |
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502 with the special value "all" to build everything static, and "none" to build |
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503 nothing static. The default is to build static versions of busybox and the |
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504 toolchain packages (gcc, binutils, make, and ccwrap) both due to the increased |
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505 performance this provides under qemu (which has to repeatedly re-translate |
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506 executable code pages that modify themselves, such as when dynamic linking |
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507 patches per-process jump addresses), and also due to the increased portability |
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508 this provides the native compiler tarball.</p> |
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509 |
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510 <p>(The host-tools stage always builds dynamic packages, because the glibc |
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511 maintainer has a personal dislike of static linking, meaning glibc's static |
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512 linking support (in addition to creating 400k "hello world" binaries) is both |
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513 broken[LINK] and deprecated[LINK]. Some distros have even taken to breaking |
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514 out the *.a format libraries used for static linking into a separate package, |
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515 and not installing them by default. The host-tools stage now tests for this, |
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516 and refuses to continue in a dynamic-only build environment unless you set |
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517 BUILD_STATIC=none. You can rebuild under the resulting target system to |
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518 natively compile static binaries, which uClibc supports quite well, but you |
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519 can't generate them from the host.)</p> |
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520 |
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521 <p>The old FROM_ARCH is now HOST_ARCH, and the infrastructure using it |
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522 (cross-compiler.sh and native-compiler.sh) has been cleaned up. The |
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523 HOST_UTILS variable was also removed, that's now built for the full |
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524 cross and native compilers, but not the simple cross compiler.</p> |
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525 |
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526 <p>The more/smoketest.sh file no longer creates hdb.img.</p> |
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527 |
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528 <p>The host-tools stage has been upgraded to work around the utter stupidity of |
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529 Ubuntu 10.04, which turned "gcc" into a perl script. (Yes really. No, I don't |
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530 know what they were smoking.)</p> |
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531 |
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532 <p>Build zlib in host-tools (for squashfs) and in static-tools for dropbear's |
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533 -C. This is necessary for reproducing the build under a system-image, because |
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534 the default system image type (squashfs) requires zlib to build.</p> |
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535 |
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536 <p>Update the command prompt in system images to show the amount of |
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537 parallelism available via distcc. (When it says 1 you haven't got |
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538 distcc, and when it says a number greater than that you have.) |
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539 The prompt now looks like:</p> |
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540 <blockquote><pre>(powerpc:4) /home #</pre></blockquote> |
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541 |
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542 <p>The make, bash, and distcc builds are now part of the native-compiler stage |
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543 (and their build scripts moved to sources/sections). This means that a native |
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544 toolchain now includes make, because it's hard to build make without make. |
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545 This stage also records the uClibc and linux config files for posterity.</p> |
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546 |
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547 <p>The build was weaned off of toybox. (Broke out oneit, sent patch upstream |
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548 to busybox, and got netcat fixed in defconfig so native-build.sh could use |
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549 it.)</p> |
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550 |
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551 <p>Several small bugfixes and cosmetic cleanups. For example, we now delete |
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552 empty build/temp-* directories when we're done with them, and several |
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553 config options such as NO_NATIVE_COMPILER and NO_CLEANUP should be more |
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554 reliable now. Don't build hello-dynamic on a BUILD_STATIC=all system. |
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555 Clean up debris files the kernel's headers_install leaves lying around. |
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556 Minor upgrades to FORK=1 support, and QUIET is now part of FORK instead |
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557 of a separate control. Generating a package manifest should no |
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558 longer produce error messages. Empty temp directories get deleted on the |
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559 way out. Better support for building older tools as alt-packages (tested |
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560 binutils 2.14 and gcc 3.4). Comment out default UNSTABLE= URLs in download.sh, |
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561 supply your own if you want that. Binutils build now honors existing $CFLAGS |
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562 (if any). The dienow error message goes to stderr. More reliably track |
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563 package cache state when patches fail to apply. Simplify system-image |
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564 build (don't try to package root filesystem and build kernel in parallel |
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565 anymore, squashfs and make both have internal SMP support). BUILD_VERBOSE |
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566 is now more verbose. Reliability improvement for record-commands.sh. |
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567 New shell functions blank_workdir and extract_package. Consistently |
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568 use name-name in scripts and name_name in functions.</p> |
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569 |
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570 <p>It's been a long 5 months...</p> |
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571 |
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572 <hr> |
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573 <h2><a name="05-02-2010" />May 2, 2010</h2> |
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574 <p>The name of the project is changing from Firmware Linux to Aboriginal |
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575 Linux. The new URL is "http://landley.net/aboriginal".</p> |
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576 |
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577 <p>Some reasons to move away from the old name are |
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578 <a href=http://lists.impactlinux.com/pipermail/firmware-impactlinux.com/2009-October/000374.html>listed here</a>, |
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579 and some reasons to pick the new name are covered in |
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580 <a href=http://lists.impactlinux.com/pipermail/firmware-impactlinux.com/2010-April/000671.html>this thread</a>.</p> |
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581 |
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582 <p>Some links may be broken while we switch over. Let us know what we've |
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583 missed on the mailing list...</p> |
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584 |
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585 <hr> |
| 1022 | 586 <h2><a name="03-29-2010" />March 29, 2010</h2> |
| 587 <p><a href=downloads/firmware-0.9.11.tar.bz2>Version 0.9.11</a> is out, | |
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588 based on <a href=/hg/firmware/shortlog/1020>hg commit |
| 1022 | 589 1020</a>. We're closing in on a 1.0 release, but not quite there yet.</p> |
| 590 | |
| 591 <p>This version upgrades to Linux 2.6.33, uClibc 0.9.30.3, and BusyBox | |
| 592 1.16.1.</p> | |
| 593 | |
| 594 <b><h3>Improved native builds</h3></b> | |
| 595 | |
| 596 <p>Most targets now have <a href=downloads/binaries>prebuilt binaries</a> | |
| 597 for <a href=http://matt.ucc.asn.au/dropbear/dropbear.html>dropbear</a>, | |
| 598 <a href=http://sourceforge.net/projects/strace/>strace</a>, | |
| 599 <a href=http://busybox.net>busybox</a>. These are statically | |
| 600 linked against uClibc, so just download, set the executable bit, and run.</p> | |
| 601 | |
| 602 <p>These dropbear and strace binaries are built using the automated three-disk | |
| 603 native build capability introduced <a href=#11-07-2009>back in November</a>, | |
| 604 which has been improved and genericized this release. Now one script creates | |
| 605 a build image (see examples in sources/native-builds) and another script | |
| 606 launches a system image with that build image attached as the third | |
| 607 hard drive (/dev/hdc), telling the system image to automatically build | |
| 608 those source packages and upload the result to the host via ftp.</p> | |
| 609 | |
| 610 <p>So to reproduce the dropbear and strace binaries for a supported ARCH, | |
| 611 you could do:</p> | |
| 612 | |
| 613 <blockquote><pre> | |
| 614 ./build.sh ARCH | |
| 615 sources/native-builds/static-tools.sh tools.hdc | |
| 616 sources/more/native-build.sh ARCH tools.hdc output | |
| 617 </pre></blockquote> | |
| 618 | |
| 619 <p>When the build exits, the results should be in the host's "output" | |
| 620 directory.</p> | |
| 621 | |
| 622 <b><h3>Targets</h3></b> | |
| 623 <p>The arm, mips, x86, x86-64 targets that worked last time still work. | |
| 624 The armv4eb and m68k targets still don't work.</p> | |
| 625 | |
| 626 <p>The powerpc and sparc targets have been upgraded. Powerpc now works with | |
| 627 the 3-disk automated native build (although you'll need qemu 0.12.4 to take | |
| 628 advantage of this). The sparc dynamic linker still doesn't work in uClibc, | |
| 629 but the statically linked system is now working well enough to build packages | |
| 630 natively.</p> | |
| 631 | |
| 632 <p>New targets this release are i486 (thanks David Seikel) and mips64 (which | |
| 633 mostly works, but the native toolchain isn't quite properly configured to | |
| 634 build stuff with yet).</p> | |
| 635 | |
| 636 <p>Finally, the sh4 target was broken by a cosmetic cleanup of the startup | |
| 637 assembly code in Linux 2.6.33 that rendered any binutils version older | |
| 638 than 4 months unusable to build sh4. While it's possible to patch around | |
| 639 this, it hasn't yet been worth effort. The Linux-sh4 maintainer is aware | |
| 640 of the issue, but explicitly | |
| 641 <a href=http://permalink.gmane.org/gmane.linux.ports.sh.devel/7237>doesn't | |
| 642 care</a> about users other than his employer, and so far nobody | |
| 643 else seems to care enough about supporting the discontinued Sega Dreamcast | |
| 644 game console to argue with him. (Might revisit this next release, but m68k | |
| 645 support is a higher priority.)</p> | |
| 646 | |
| 647 <b><h3>Infrastructure</h3></b> | |
| 648 <p>The system-image's "run-emulator.sh" is now a much smaller and simpler | |
| 649 script, consisting primarily of the qemu command line. (And if you export | |
| 650 DEBUG=1 it prints the emulator command line.) The distcc and hdb | |
| 651 setup code moved to dev-environment.sh.</p> | |
| 652 | |
| 653 <p>The <a href=screenshots>screenshots</a> page is working again, if a bit | |
| 654 stale.</p> | |
| 655 | |
| 656 <p>The bisectinate.sh script (to automatically git bisect a build issue) | |
| 657 has been updated, more to come next release.</p> | |
| 658 | |
| 659 <p>The download.sh script has been updated to understand FORK=1 and download | |
| 660 packages in parallel. (And to extract them in parallel when | |
| 661 EXTRACT_ALL=1.)</p> | |
| 662 | |
| 663 <p>The new export_if_blank shell function allows several more environment | |
| 664 variables to be overridden, including TOP, SOURCES, SRCDIR, PATCHDIR, | |
| 665 BUILD, SRCTREE, HOSTTOOLS, WRAPDIR, CC, and STAGE_NAME.</p> | |
| 666 | |
| 667 <p>I'd also like to thank the debugging efforts of Wolfgang Denk, who hit | |
| 668 as many bugs trying to use this project as I normally do with other people's. | |
| 669 He eventually got discouraged and left, but thanks to his efforts:</p> | |
| 670 | |
| 671 <ul> | |
| 672 <li><p>We now unset several environment variables (such as ARCH and | |
| 673 CROSS_COMPILE) that break things if the host exports random data in them | |
| 674 before the build. (Yes, this fights with export_if_blank above, and | |
| 675 the way configuration works in general. Some more design works is necessary | |
| 676 here to let you configure the project with environment variables, but | |
| 677 not be confused by existing environment debris.)</p></li> | |
| 678 | |
| 679 <li><p>BUILD_STATIC=none can how handle the case where the host toolchain | |
| 680 can't build any static binaries at all.</p></li> | |
| 681 | |
| 682 <li><p>The CROSS_SMOKE_TEST implementation (which had bit rotted) was fixed and | |
| 683 moved to its own script (sources/more/cross-smoke-test.sh), which is called by | |
| 684 build.sh as necessary.</p> | |
| 685 | |
| 686 <p>Note that actually trying to use it is a question | |
| 687 of getting qemu application emulation to work for your target. For | |
| 688 arm you need to tweak /proc/sys/vm/mmap_min_addr as root. For ppc you | |
| 689 need <a href=http://git.qemu.org/qemu.git/commit/?id=7983f435e5306a4b17e1edcb408ba64b33e9c88f>this patch</a>. For mips64 somebody still needs to | |
| 690 implement it (<a href=http://lists.gnu.org/archive/html/qemu-devel/2010-03/msg02218.html>no matter what gentoo thinks</a>).</p> | |
| 691 | |
| 692 <p>(There's a reason the smoke test was disabled long enough to bit-rot. | |
| 693 It broke for qemu reasons more often than it found bugs in the toolchain.)</p> | |
| 694 </li> | |
| 695 </ul> | |
| 696 | |
| 697 <hr> | |
| 969 | 698 <h2><a name="02-02-2010" />February 2, 2010</h2> |
| 699 | |
| 700 <p><a href=downloads/firmware-0.9.10.tar.bz2>Version 0.9.10</a> is out, | |
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701 based on <a href=/hg/firmware/shortlog/966>hg |
| 969 | 702 commit 966</a>.</p> |
| 703 | |
| 704 <p>Yeah, I know 1.0 is overdue for a release, here's a resync point | |
| 705 with the 2.6.32 kernel and uClibc 0.9.30.2.</p> | |
| 706 | |
| 707 <p>There are some regressions this time around, which I plan to fix up | |
| 708 in the next release. The 2.6.32 kernel broke strace, | |
| 709 and upgrading to the new version didn't fix it. (I know how, I just haven't | |
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710 yet.) The m68k target isn't currently building due to the uClibc upgrade |
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711 (yeah, "bugfix only", I know), and the armv6l target seems to be broken two |
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712 different ways. I screwed up the screenshots page (which is halfway converted |
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713 to Vladimir's new fancy version with style sheets, but "halfway" doesn't |
| 969 | 714 actually display right). The cron job building nightly snapshots got taken down |
| 715 when the server's hard drive filled up, and now it's in the process of being | |
| 716 upgraded with a couple new scripts:</p> | |
| 717 | |
| 718 <p>The new sources/more/migrate_kernel.sh script does a "make oldconfig" | |
| 719 between the stable and "USE_UNSTABLE=linux" kernels, and creates a new | |
| 720 alt-miniconfig-linux for the specified target with any new symbols that | |
| 721 showed up. (This means the snapshots should break less, but adding the | |
| 722 symbols to the native configs will still require manual filtering.)</p> | |
| 723 | |
| 724 <p>Also, the new sources/more/bisectinate.sh script automatically does | |
| 725 a git bisect between a known good and known bad (generally HEAD) version | |
| 726 of one of the unstable packages (linux, uClibc, or busybox). It can test | |
| 727 that the build completes, or that the system image boots and successfully | |
| 728 builds the static native dropbear binary. (In theory this will allow the | |
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729 nightly snapshots to automatically isolate and report the first commit that |
| 969 | 730 broke them.)</p> |
| 731 | |
| 732 <p>In other general infrastructure news: some extensive upgrades to the | |
| 733 compiler wrapper (ccwrap), such as no longer needing GIMME_AN_S at compile | |
| 734 time and instead autodetecting the presence of libgcc_s.so vs libgcc.a | |
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735 and behaving appropriately. A largish cleanup/refactoring of the compiler |
| 969 | 736 build (described in |
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737 <a href=/hg/firmware/shortlog/944>commit 944</a>) |
| 969 | 738 added a new "native-compiler.sh" script, which handles building the |
| 739 improved "cross-compiler" tarball that includes thread support and | |
| 740 uClibc++ and is statically linked against uClibc on the host. | |
| 741 The simple cross compiler is now "simple-cross-compiler.sh" (which is | |
| 742 good enough to build a system image, but isn't very useful in other | |
| 743 contexts).</p> | |
| 744 | |
| 745 <p>The host-tools.sh stage now only builds | |
| 746 e2fsprogs or squashfs if the build is actually going to use them (based | |
| 747 on the SYSIMAGE_TYPE config symbol). The sources/sections scripts now | |
| 748 come in two flavors: an *.build version with setup/cleanup called | |
| 749 automatically and *.sh files which do their own setup/cleanup within | |
| 750 the script. Each system image's run-emulator.sh will once again add | |
| 751 /sbin:/usr/sbin to the $PATH if it can't find mke2fs.</p> | |
| 752 | |
| 753 <p>The --extract command line option went away from download.sh because | |
| 754 everything else works via environment variables. Use EXTRACT_ALL=1 instead.</p> | |
| 755 | |
| 756 <p>Fixed a few regressions that snuck into previous versions: the | |
| 757 config-{linux,uClibc,busybox} should once again be in the root filesystem's | |
| 758 usr/src directory, buildall.sh should now try to build the static native | |
| 759 dropbear/strace binaries for all targets (not just the last one) and it | |
| 760 should properly be running smoketest.sh again.</p> | |
| 761 | |
| 1022 | 762 <hr> |
| 927 | 763 <h2><a name="12-08-2009" />December 8, 2009</h2> |
| 764 <p><a href=downloads/firmware-0.9.9.tar.bz2>Version 0.9.9</a> is out, | |
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765 based on <a href=/hg/firmware/shortlog/921>hg commit 921</a>.</p> |
| 927 | 766 |
| 767 <p>Just a checkpoint on the way to 1.0, which is still planned for | |
| 768 around new years, but there's been some schedule slippage already.</p> | |
| 769 | |
| 770 <ul> | |
| 771 <li> | |
| 772 <p><b>New documentation</b></p> | |
| 773 <p>The presentation slides have been converted to | |
| 774 <a href=presentation.html>HTML</a>, although the much prettier (and much | |
| 775 bigger) <a href=downloads/presentation.pdf>PDF</a> is still available.</p> | |
| 776 | |
| 777 <p>There is also a <a href=FAQ.html>FAQ</a>, which is still somewhat sparse. | |
| 778 (Ask away.)</p> | |
| 779 </li> | |
| 780 | |
| 781 <li><p><b>Prebuilt binaries</b></p></li> | |
| 782 | |
| 783 <p>Added shm support to uClibc. Bugfix to the c++ | |
| 784 compiler (it should work again). The system images now have a "guest" | |
| 785 user/group so packages can more easily be built as a non-root user. | |
| 786 The shell prompt now includes the $HOST name.</p> | |
| 787 </li> | |
| 788 | |
| 789 <li><p><b>Build scripts</b></p> | |
| 790 <p>A new trivial-but-convenient "./clean.sh" script lets you delete just the | |
| 791 target builds out of "build". (If you delete that whole directory it has to | |
| 792 re-extract all the package tarballs and rebuilt the host tools, which is | |
| 793 often unnecessary work.)</p> | |
| 794 | |
| 795 <p>Command recording has been completely redone. No more RECORD_COMMANDS | |
| 796 variable, instead run sources/more/record-commands.sh to wrap the current | |
| 797 $PATH in build/wrappy (either after or instead of running host-tools.sh), | |
| 798 then run your build stages, and finally either run | |
| 799 sources/more/report-recorded-commands.sh to get a summary or | |
| 800 look at the raw command line lists in build/logs.</p> | |
| 801 | |
| 802 <p>The Great Refactoring continues in sources/sections: broke up | |
| 803 binutils-gcc.sh into individual binutils, gcc, and ccwrap | |
| 804 stages, split off linux-headers and uClibc++ from uClibc.sh, | |
| 805 and spun off toybox.sh from busybox.sh.</p> | |
| 806 | |
| 807 <p>Also broke kernel_cmdline() out of qemu_defaults() to make it easier to add | |
| 808 non-qemu sources/targets configurations without reinventing the wheel, | |
| 809 and fixed up dependencies for hw-target builds (which should work a lot | |
| 810 more reliably now).</p> | |
| 811 | |
| 812 <p>Bumped up the number of $CPUS used by the build to 1.5x the actual number | |
| 813 (as long as your host has at least 512 megs of ram per actual CPU). That | |
| 814 should help keep larger servers busy.</p> | |
| 815 | |
| 816 <p>Some self-hosting fixes from Natanael Copa (making sure host-tools.sh | |
| 817 builds on a uClibc host): added --disable-nls to the e2fsprogs build | |
| 818 (what exactly is ./configure running all these tests for again?), and a | |
| 819 squashfs patch (substituting a function uClibc hasn't got).</p> | |
| 820 | |
| 821 <p>Simplified system-image.sh to use killtree() instead of mysetsid. | |
| 822 Simplified the cross-compiler/cross-static logic to set the $PATH to | |
| 823 use the right one, rather than moving them around during the build. | |
| 824 Updated smoketest-all.sh to show "NONE" for system images that didn't build. | |
| 825 Added more support for SKIP_STRIP and CFLAGS=-g to the rest of the | |
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826 packages. Cleaned out the old USE_COLOR stuff which was superseded by |
| 927 | 827 set_titlebar.</p> |
| 828 </li> | |
| 829 </ul> | |
| 830 | |
| 831 <hr> | |
| 832 <h2><a name=11-07-2009 />November 7, 2009</h2> | |
| 879 | 833 <p><a href=downloads/firmware-0.9.8.tar.bz2>Version 0.9.8</a> is out, |
| 834 based on hg commit 876. (If you want to see all the changes in this release, | |
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835 look at <a href=/hg/firmware/shortlog/876>commits 810 through 876</a>.)</p> |
| 879 | 836 |
| 837 <p.The current plan is to cut one more release at the end of the month, and | |
| 838 then have the 1.0 release around new year's. This could be considered a | |
| 839 1.0-pre1, if you like.</p> | |
| 840 | |
| 841 <p>This release upgrades linux to 2.6.31.4 and busybox to 1.15.2. | |
| 842 (The uClibc version is still 0.9.30.1, they haven't had a new release | |
| 843 yet.)</p> | |
| 844 | |
| 845 <p>The old #firmware irc channel on freenode.net has been merged into #edev, | |
| 846 so go there now to ask questions about this project. (A _lot_ of | |
| 847 knowledgeable, helpful people hang there who can answer your embedded | |
| 848 development questions.)</p> | |
| 849 | |
| 850 <h3><b>Bug tracker and roadmap</b></h3> | |
| 851 | |
| 852 <blockquote> | |
| 853 <p>The <a href=http://redmine.impactlinux.com/projects/impact>new bug | |
| 854 tracker</a> has a <a href=http://redmine.impactlinux.com/projects/impact/roadmap>roadmap</a> | |
| 855 showing what we plan to implement for the next release or two.</p> | |
| 856 | |
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857 <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 | 858 is still the fastest way to get a fix.</p> |
| 859 </blockquote> | |
| 860 | |
| 861 <h3><b>New screenshots page</b></h3> | |
| 862 | |
| 863 <blockquote> | |
| 864 <p><a href=screenshots>This page</a> lists every target, with | |
| 865 a "screenshot" of the target's boot messages under qemu, and associated | |
| 866 links to all the various prebuilt binaries for that target.</p> | |
| 867 </blockquote> | |
| 868 | |
| 869 <h3><b>Fun with static linking</b></h3> | |
| 870 | |
| 871 <blockquote> | |
| 872 <p>The cross-compiler-$ARCH tarballs are all compiled for i686 and | |
| 873 statically linked against uClibc for maximum portability.</p> | |
| 874 | |
| 875 <p>The busybox binary in the root filesystem images is now built statically by | |
| 876 default, providing a 20% speed improvement in ./configure times under qemu | |
| 877 (due to the reduced page translation overhead). You can switch this back | |
| 878 to dynamic with "BUILD_STATIC=none".</p> | |
| 879 | |
| 880 <p>Static dropbear and strace binaries for each target are also available, | |
| 881 built by the new sources/more/native-static-build.sh script.</p> | |
| 882 </blockquote> | |
| 883 | |
| 884 <h3><b>System Image interface changes</b></h3> | |
| 885 | |
| 886 <blockquote> | |
| 887 <p>The run-from-build.sh script used to set up a development environment | |
| 888 out of the build directory, but didn't provide an easy way to do so based | |
| 889 on downloaded tarballs. (You had to work out and provide extensive | |
| 890 command line arguments to the run-emulator.sh script.) This has been | |
| 891 fixed.</p> | |
| 892 | |
| 893 <p>The run-emulator.sh script in each system interface tarball is now much | |
| 894 simpler. It now looks for distccd and $ARCH-cc in its $PATH, and sets up | |
| 895 distcc acceleration automatically if it finds them. (It announces whether | |
| 896 or not it has managed to do so, and init.sh announces whether or not it | |
| 897 thinks it has distcc acceleration enabled just before launching a command | |
| 898 prompt.) So setting up the distcc accelerator should be less of a pain.</p> | |
| 899 | |
| 900 <p>Also, run-emulator.sh no longer takes any command line arguments. Instead | |
| 901 the environment variable $HDB indicates a /dev/hdb disk image to mount on | |
| 902 /home, $HDBMEGS specifies the size of a (sparse ext2) HDB image to create if | |
| 903 it doesn't already exist, and QEMU_MEMORY indicates how many megabytes of | |
| 904 physical memory the emulator should allocate for the virtual system.</p> | |
| 905 | |
| 906 <p>Each system-image also provides a simple wrapper dev-environment.sh | |
| 907 which calls run-emulator.sh with HDBMEGS=2048, HDB=hdb.img, and | |
| 908 QEMU_MEMORY=256. (These are the values run-from-build.sh used to provide, | |
| 909 and give a reasonable build environment with 256 megs of physical memory | |
| 910 and 2 gigabytes of writeable /home space.) The run-from-build.sh script | |
| 911 itself now merely adds the specified build/cross-compiler-$ARCH directory | |
| 912 to the $PATH, changes directory to the appropriate build/system-image-$ARCH, | |
| 913 and calls ./dev-environment.sh. It's 3 lines.</p> | |
| 914 | |
| 915 <p>The system images can now also automatically mount a third disk image | |
| 916 ($HDC, specifying an /dev/hdc image to mount onto the /mnt directory), and if | |
| 917 that filesystem contains an executable "init" program in its root directory | |
| 918 the sbin/init.sh script will run that instead of launching a command prompt.</p> | |
| 919 | |
| 920 <p>The new native-static-build.sh uses this HDC capability to automatically | |
| 921 run some native package builds without having to drive the build through | |
| 922 /dev/console via a wrapper script (the way smoketest.sh does). See | |
| 923 sources/more/setup-native-static-build.sh for the script which generates | |
| 924 the hdc.sqf image for this.</p> | |
| 925 | |
| 926 <p>Note that some targets (such as sh4 and powerpc) don't yet support /dev/hdc | |
| 927 due to QEMU board emulation limitations.</p> | |
| 928 </blockquote> | |
| 929 | |
| 930 <h3><b>Build interface changes</b></h3> | |
| 931 | |
| 932 <blockquote> | |
| 933 <p>The new "sources/more" directory contains scripts the end user can | |
| 934 call, but which aren't important enough to clutter up the top level | |
| 935 directory with. The buildall.sh and smoketest-all.sh scripts moved there, | |
| 936 as did the cronjob.sh used to build the nightly snapshots.</p> | |
| 937 | |
| 938 <p>The new sources/more/native-static-build.sh natively compiles dropbear and | |
| 939 strace under the emulator, and copies them out to the host through the virtual | |
| 940 network (into the build/cron-temp directory) using busybox ftpd on the host. | |
| 941 This provides an example of how to use the new HDC /mnt/init functionality | |
| 942 to perform automatic builds under the emulator, and copy the results out | |
| 943 through the network. It uses the new sources/timeout.sh wrapper to detect | |
| 944 hung builds (defined as builds that haven't produced a line of output within | |
| 945 a given number of seconds).</p> | |
| 946 | |
| 947 <p>The new BINARY_PACKAGE_TARBALLS variable (in the file "config") tells | |
| 948 the build to create a separate tarball of the binaries produced building | |
| 949 each package. (These more granular tarballs aren't shipped yet, but may | |
| 950 be in a future release.)</p> | |
| 951 | |
| 952 <p>The new SKIP_STRIP variable tells the build not to strip binaries. | |
| 953 (Add in CFLAGS=-g for enormous binaries full of debug info.)</p> | |
| 954 </blockquote> | |
| 955 | |
| 956 <h3><b>Target upgrades</b></h3> | |
| 957 | |
| 958 <blockquote> | |
| 959 <p>Powerpc and sh4 should now work fine with stock qemu 0.11.0.</p> | |
| 960 | |
| 961 <p>The arm platform now has an armv4tl target. This is a little-endian armv4 | |
| 962 eabi, for armv4 chips offering the "thumb" extension which eabi requires. | |
| 963 (The plain armv4l target is still oabi. The oabi/eabi thing is different | |
| 964 binary ABIs, a bit like Linux vs BSD binaries or aout vs elf. The eabi | |
| 965 standard is the new one, but some of the older arm hardware can't support | |
| 966 it. This takes it down as far as it can go.)</p> | |
| 967 </blockquote> | |
| 968 | |
| 969 <h3><b>Infrastructure</b></h3> | |
| 970 | |
| 971 <blockquote> | |
| 972 <p>Behind the scenes, some extensive work is going on to simplify the | |
| 973 build scripts. (The documentation's fallen a bit behind reality here, | |
| 974 but should be back up to date next release.)</p> | |
| 975 | |
| 976 <p>The uClibc miniconfigs are now automatically generated, with the | |
| 977 bulk of the config living in sources/baseconfig-uClibc and the few | |
| 978 target specific lines being appended from the UCLIBC_CONFIG variable | |
| 979 defined in the target's settings file.</p> | |
| 980 | |
| 981 <p>The other big change is factoring out lots of common code, moving it into | |
| 982 the sources/sections directory, so things like the uClibc, busybox, and | |
| 983 toolchain builds now live in one place and are called from the various | |
| 984 other scripts that need them. (This may eventually allow alternate build | |
| 985 scripts for these packages, potentially swapping out glibc for uClibc, or | |
| 986 llvm/clang for gcc. In the meantime, it eliminates a lot of redundant code.)</p> | |
| 987 | |
| 988 <p>This required lots of small cleanups, such as making the scripts now | |
| 989 consistently use the $STAGE_DIR variable for their output directory. | |
| 990 Some other cleanups were primarily cosmetic, such as moving the extracted | |
| 991 tarball cache directory from build/sources to build/packages. (Tarballs | |
| 992 live in packages, extracted tarballs live in build/packages.)</p> | |
| 993 | |
| 994 <p>The root filesystem now contains simple /etc/passwd and /etc/group files, | |
| 995 because dropbear won't work without them (not even to ssh out).</p> | |
| 996 | |
| 997 <p>Several small bugfixes (ccwrap no longer segfaults if $PATH isn't | |
| 998 exported, /etc/resolv.conf doesn't get overwritten unnecessarily by init.sh, | |
| 999 etc).</p> | |
| 1000 </blockquote> | |
| 1001 | |
| 927 | 1002 <hr> |
| 1003 <h2><a name=08-20-2009 />August 20, 2009</h2> | |
| 809 | 1004 <p><a href=downloads/firmware-0.9.7.tar.bz2>Version 0.9.7</a> is out, a little |
| 1005 over a month and a half late. It's a larger update than usual, so the | |
| 1006 release notes are a bit long.</p> | |
| 1007 | |
| 1008 <p>This release is based on | |
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1009 <a href=/hg/firmware/log/807>mercurial version 807</a> |
| 809 | 1010 of the build scripts, |
| 1011 and includes <b>Linux 2.6.30.4</b> and <b>BusyBox 1.14.3</b>. | |
| 1012 No new uClibc release is out since last time.</p> | |
| 1013 | |
| 1014 <p>Lots of little bugs got fixed. For example, this release should build on | |
| 1015 Fedora 11 (and any other platform that hasn't got "which" installed by | |
| 1016 default), and now supports distcc and ccache on the host (and will use them | |
| 1017 automatically if they are installed).</p> | |
| 1018 | |
| 1019 <h3><b>Changes to build stages: new root-filesystem, cross-static, and | |
| 1020 native-compiler tarballs, upgraded buildall.sh and smoketest-all.sh.</b></h3> | |
| 1021 | |
| 1022 <blockquote> | |
| 1023 <p>The old "mini-native" stage has been renamed "root-filesystem" | |
| 1024 (the same way package-mini-native became system-image last release). The | |
| 1025 script names (and resulting tarballs) now indicate what each stage makes. | |
| 1026 So build.sh calls host-tools.sh, cross-compiler.sh, root-filesystem.sh, | |
| 1027 and system-image.sh, in that order.</p> | |
| 1028 | |
| 879 | 1029 <p>The old build-static-toolchains.sh script is gone, with its functionality |
| 809 | 1030 integrated into buildall.sh (which now builds i686 hosted static toolchains |
| 1031 for each target by default). This is implemented by two new environment | |
| 1032 variables triggering optional behavior: STATIC_CROSS_COMPILER_HOST | |
| 1033 and BUILD_STATIC_NATIVE_COMPILER.</p> | |
| 1034 | |
| 1035 <p>Setting STATIC_CROSS_COMPILER_HOST to an architecture name creates a | |
| 1036 cross compiler statically linked to run on that host (via a technique | |
| 1037 known as canadian cross compile). For example, the invocation:</p> | |
| 1038 | |
| 1039 <blockquote> | |
| 1040 <p>BUILD_CROSS_COMPILER_HOST=i686 ./build.sh armv4l</P> | |
| 1041 </blockquote> | |
| 1042 | |
| 1043 <p>Would create a tarball called "cross-static-armv4l.tar.bz2" which was | |
| 1044 built to run on an i686 host, and was statically linked (against uClibc) | |
| 1045 on that host to be distribution independent.</p> | |
| 1046 | |
| 1047 <p>Setting BUILD_STATIC_NATIVE_COMPILER to any non-empty value creates a | |
| 1048 native compiler for the target (packaged as native-compiler-$ARCH.tar.bz2), | |
| 1049 which is statically linked against uClibc so it can be extracted and run on | |
| 1050 just about any system of the appropriate type. (So if you can get a Linux | |
| 1051 shell prompt and have enough storage and memory, you should be able to | |
| 1052 compile stuff.)</p> | |
| 1053 | |
| 1054 <p>The upgraded smoketest-all.sh script runs smoketest.sh on each | |
| 1055 target built. (The smoketest.sh script attempts to compile and run "hello | |
| 1056 world" natively within a system image under qemu, and indicates whether or | |
| 1057 not it worked via "pass" or "fail".) Note that smoketest-all.sh now | |
| 1058 autodetects which targets have been built (have system images in the build | |
| 1059 directory), and smoketest.sh times out after 60 seconds so targets that hang | |
| 1060 will return failure eventually.</p> | |
| 1061 | |
| 1062 </blockquote> | |
| 1063 | |
| 1064 <h3><b>Squashfs 4.0 now the default system image type</b></h3> | |
| 1065 | |
| 1066 <blockquote> | |
| 1067 <p>The root filesystem image type is now squashfs by default. (To change it set | |
| 1068 SYSIMAGE_TYPE to ext2 or initramfs, either in your environment or the file | |
| 1069 "configure".)</p> | |
| 1070 | |
| 1071 <p>This involved upgrading the userspace squashfs support package | |
| 1072 to the version 4.0 supported by the upstream kernel, and numerous small fixes | |
| 1073 to work with a read-only root filesystem (with writeable spaced mounted on | |
| 1074 /home and /tmp).</p> | |
| 1075 </blockquote> | |
| 1076 | |
| 1077 <h3><b>Target upgrades</b></h3> | |
| 1078 <blockquote> | |
| 1079 <h3><b>ARM upgrades</b></h3> | |
| 1080 | |
| 1081 <blockquote> | |
| 1082 <p>Lots of work on the arm targets, with the addition of a new armv6l target | |
| 1083 and conversion of the armv5l target to | |
| 1084 <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>, | |
| 1085 but ARM screwed up its website and now you have to go | |
| 1086 <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 | |
| 1087 little endian soft float OABI target (which is "the i386 of ARM", meaning it | |
| 1088 should run on just about any arm hardware, if a bit slowly). A new | |
| 1089 armv4be target is the same as armv4l except big endian.</p> | |
| 1090 | |
| 1091 <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> | |
| 1092 </blockquote> | |
| 1093 | |
| 1094 <h3><b>Updated sparc support, almost works now. (uClibc for sparc still sucks.)</b></h3> | |
| 1095 | |
| 1096 <blockquote> | |
| 1097 <p>The sparc target has also been upgraded to the point where it now gives | |
| 1098 a shell prompt. (And immediately dies with a bus error or a hang if you try | |
| 1099 to do anything, because uClibc for sparc still doesn't work. The "upgrade" | |
| 1100 consisted of statically linking everything because uClibc's dynamic loader | |
| 1101 doesn't work for sparc.)</p> | |
| 1102 </blockquote> | |
| 1103 | |
| 1104 <h3><b>PowerPC remains fiddly due to QEMU issues, new powerpc-440fp target</b></h3> | |
| 1105 | |
| 1106 <blockquote> | |
| 1107 <p>PowerPC support in QEMU is | |
| 1108 <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 | |
| 1109 changed from last release, the version of QEMU in source control no longer | |
| 1110 runs it (nor the binary powerpc system images released with FWL 0.9.6) and | |
| 1111 QEMU's developers do not consider this a regression. While we search for a new | |
| 1112 Linux kernel .config that matches QEMU's current expectations (and await a | |
| 1113 release considered "stable"), note that setting HOST_BUILD_EXTRA=1 before | |
| 1114 running host-tools.sh will build a version of qemu that does run powerpc and | |
| 1115 put it in build/host where run-from-build.sh can find it. (Note also that | |
| 1116 building qemu from source still takes significantly longer than the rest of the | |
| 1117 host-tools.sh stage combined.)</p> | |
| 1118 | |
| 1119 <p>A new powerpc-440fp target produces code for the powerpc 440 with hardware | |
| 1120 floating point. (Theoretically QEMU's "bamboo" board emulation should | |
| 1121 run this, but QEMU doesn't emulate a 440 processor yet. We compromise by | |
| 1122 running a ppc440 filesystem under qemu's power mac emulation, to take | |
| 1123 advantage of the ppc440 instruction set being almost a subset of full powerpc. | |
| 1124 This gets us a shell prompt, but throws illegal instruction errors if you | |
| 1125 try to do anything fancy.)</p> | |
| 1126 | |
| 1127 <p>(Note that powerpc-440fp is not a hw-target for powerpc, it's a different | |
| 1128 processor instruction set like i586 vs i686. Alas, one that qemu doesn't | |
| 1129 properly emulate yet.)</p> | |
| 1130 | |
| 1131 </blockquote> | |
| 1132 | |
| 1133 </blockquote> | |
| 1134 | |
| 1135 <h3><b>Now using last GPLv2 release of GCC, and future plans</b></h3> | |
| 1136 | |
| 1137 <blockquote> | |
| 1138 <p>The upgrade to <b>gcc 4.2.1</b> gives us | |
| 1139 <a href=http://gcc.gnu.org/ml/gcc-announce/2007/msg00003.html>the last | |
| 1140 GPLv2 licensed version of gcc</a> (thus avoiding | |
| 1141 <a href=http://lwn.net/Articles/343608/>various problems</a>). | |
| 1142 <a href=http://savannah.gnu.org/forum/forum.php?forum_id=4932>Make 3.81</a> | |
| 1143 was already the last GPLv2 release of that project.</p> | |
| 1144 | |
| 1145 <p>Note that <b>bash 2.05b</b> is still intentionally ancient (to avoid the | |
| 1146 bloat of 3.x), and may be replaced with busybox ash as the default FWL shell | |
| 1147 in a future release. Similarly, although <b>binutils 2.17</b> was the last | |
| 1148 GPLv2 version from the FSF, an upgrade to | |
| 1149 <a href=http://ftp.kernel.org/pub/linux/devel/binutils/release.binutils-2.18.50.0.1>the | |
| 1150 last GPLv2 release of Red Hat's binutils fork, 2.17.5.0.17</a> is under | |
| 1151 consideration for a future release. But mostly the GNU compiler toolchain | |
|
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1152 has been upgraded as far as possible for the foreseeable future, either because |
| 809 | 1153 new versions provide no significant benefits or because they're not available |
| 1154 under a license compatible with the Linux kernel's.</p> | |
| 1155 | |
| 1156 <p>Future upgrades to these packages will either be via individual patches | |
| 1157 (maintaining GPLv2 license) or by investigating alternative non-FSF | |
| 1158 packages such as OpenBSD's <a href=http://lwn.net/Articles/255558>PCC</a> or | |
| 1159 Apple's <a href=http://llvm.org>LLVM</a>. In preparation for support of | |
| 1160 alternate compilers, the build scripts have moved from using "gcc" to the | |
| 1161 more generic "cc" for the compiler name wherever possible, but currently no | |
| 1162 drop-in replacement compiler is available.</p> | |
| 1163 | |
| 1164 </blockquote> | |
| 1165 | |
| 1166 <h3><b>Implementation details</b></h3> | |
| 1167 | |
| 1168 <blockquote> | |
| 1169 <p>Each target configuration renamed "details" to "settings", and added | |
| 1170 a "description". (This makes Gentoo From Scratch's kconfig easier.)</p> | |
| 1171 | |
| 1172 <p>The download.sh stage now populates a "packages" directory instead of | |
| 1173 "sources/packages", meaning that everything in the sources directory now | |
| 1174 comes from the FWL source tarball. To do the equivalent of "make clean" | |
| 1175 you can "rm -rf build", and to do a "make distclean" you can | |
| 1176 "rm -rf packages build".</p> | |
| 1177 | |
| 1178 <p>The build no longer deletes the alt-* tarballs when UNSTABLE isn't | |
| 1179 set, you must do that by hand if you want an updated alt- version of a | |
| 1180 package. The packages/MANIFEST file creation can now use the extended | |
| 1181 tarball information to detect git version numbers.</p> | |
| 1182 | |
| 1183 <p>The === bars now show the current stage name and architecture each | |
| 1184 package is being built for. (Pipe the build output to grep "^===" to see | |
| 1185 just the start of each new package build.) The same information is sent | |
| 1186 to the title bar of your xterm, export NO_TITLE_BAR=1 if you don't want the | |
| 1187 build to update the title bar.</p> | |
| 1188 | |
| 1189 <p>The BUILD_STATIC option now applies to all packages built in | |
| 1190 root-filesystem.sh, and can be set from a target configuration's settings file | |
| 1191 (as sparc is now doing).</p> | |
| 1192 | |
| 1193 <p>The BUILD_VERBOSE option passes V=1 to the linux, busybox, and uClibc | |
| 1194 builds that otherwise sanitize their output.</p> | |
| 1195 | |
| 1196 <p>You can now set NATIVE_TOOLCHAIN=only to build just the compiler | |
| 1197 and not the other parts (busybox, make, toybox, bash...) This is used | |
| 1198 by the canadian cross steps in build.sh to create static cross and native | |
| 1199 compilers.</p> | |
| 1200 | |
| 1201 <p>This release broke up scripts/include.sh so that script just | |
| 1202 sets lots of environment variables, and now includes scripts/functions.sh | |
| 1203 to define shell functions. The architecture setup (reading architecture | |
| 1204 files and creating temporary directories and such) is now done via the | |
| 1205 "read_arch_dir $ARCH" shell function, so merely including sources/include.sh | |
| 1206 should no longer have significant side effects. Similarly, setupfor now | |
| 1207 has an EXTRACT_ONLY environment variable instead of depending on a blank | |
| 1208 $ARCH (which host-tools.sh has, despite wanting to snapshot source so it can | |
| 1209 build stuff).</p> | |
| 1210 | |
| 1211 <p>Various fixes to make parallel builds work better. (So it neither leaves | |
| 1212 background processes running nor kills the parent shell and closes your | |
| 1213 xterm when you hit ctrl-c.) The new "killtree" shell function, | |
| 1214 which kills a process and all its children and grandchildren recursively with | |
| 1215 pgrep. We also build our own sources/toys/mysetsid.c program with the host | |
| 1216 compiler (because the normal command line "setsid" doesn't also do a tcsetpgrp | |
| 1217 on stdin so signal handling isn't forwarded to the new session). This should | |
| 1218 more reliably allow ctrl-c to exit smoketest.sh and system-image.sh and such, | |
| 1219 and let FORK=1 ./buildall.sh stop all its background processes when | |
| 1220 interrupted. (Note that smoketest-all.sh also honors FORK=1.)</p> | |
| 1221 | |
| 1222 <p>The logs from buildall.sh now live in build/logs.</p> | |
| 1223 | |
| 1224 <p>The new config option ROOT_NODIRS avoids creating the normal set of empty | |
| 1225 directories in the new root filesystem. (The old /tools support went | |
| 1226 away, but a BUILD_STATIC ROOT_NODIRS build can be extracted into /tools | |
| 1227 and used from there. Then either symlink "/lib" to "/tools/lib" or "export | |
| 1228 UCLIBC_DYNAMIC_LINKER=/tools/lib/ld-uClibc.so.0" to add more stuff to | |
| 1229 /tools natively.)</p> | |
| 1230 | |
| 1231 <p>The compiler wrapper (sources/toys/ccwrap.c) can now use | |
| 1232 architecture-specific WRAPPER_TOPDIR values. (I.E. armv4l-cc could | |
| 1233 "export armv4l_WRAPPER_TOPDIR=/path/to/directory".) This makes | |
| 1234 canadian cross compiles a lot easier.</p> | |
| 1235 </blockquote> | |
| 1236 | |
| 927 | 1237 <hr> |
| 1238 <h2><a name=04-02-2009 />April 2, 2009</h2> | |
| 694 | 1239 <p><a href=downloads/firmware-0.9.6.tar.bz2>Version 0.9.6</a> includes |
| 1240 Linux 2.6.29 and uClibc 0.9.30.1, now with support for sh4 and upgraded powerpc | |
| 1241 support.</p> | |
| 1242 | |
| 1243 <p>The big news is the <a href=http://impactlinux.com/code/gfs/>Gentoo | |
| 1244 From Scratch</a> project, which extends a FWL system image into a Gentoo | |
| 1245 Stage 1 environment, building natively inside qemu.</p> | |
| 1246 | |
| 1247 <p>The <a href=documentation.html>documentation</a> has been extensively | |
| 1248 rewritten (but needs more). The source now contains a README and each image | |
| 1249 has a usr/src/MANIFEST file listing the packages it built from.</p> | |
| 1250 | |
| 1251 <p>The cross and native toolchains now include ldd, readelf, and | |
| 1252 ldconfig. Added support for hardware targets (an unfinished example | |
| 1253 of which is hw-wrt610n) that use the same cross compiler and system | |
| 1254 image as a qemu platform, but build/package a different kernel to boot | |
| 1255 on actual hardware.</p> | |
| 1256 | |
| 1257 <p>Several new build options:</p> | |
| 1258 <ul> | |
| 1259 <li><p><b>$SYSIMAGE_TYPE</b> defaults to "ext2" but can now | |
| 1260 produce and boot "initramfs" images as well. (And squashfs, but that doesn't | |
| 1261 work yet due to missing features in squashfs tools version 3.4.)</p></li> | |
| 1262 <li><p>Setting <b>$HOST_BUILD_EXTRA</b> compiles qemu 0.10.1 in host-tools.sh. | |
| 1263 You currently need to do this to run sh4 or powerpc, 0.10.1 has some bugs | |
| 1264 needing patches. Not on by default because it takes a _long_ time.</p></li> | |
| 1265 <li><p><b>$NO_CLEANUP</b> keeps source around after builds for debugging purposes.</p></li> | |
| 1266 <li><p><b>$SYSIMAGE_HDA_MEGS</b> lets you control the size of the ext2 system images.</p></li> | |
| 1267 <li><p><b>$SNAPSHOT_SYMLINK</b> lets the extracted source live on a different | |
| 1268 filesystem than the build happens on. (Once the updated squashfs userspace | |
| 1269 tools ship, build-static-toolchains.sh may be updated to use this.)</p></li> | |
| 1270 <li><p><b>$CROSS_SMOKE_TEST</b> use qemu application emulation to test run hello | |
| 1271 world program at the end of the cross compiler build stage.</p></li> | |
| 1272 <li><p><b>$SKIP_STAGE_TARBALLS</b> don't create tarballs of each stage, | |
| 1273 just populate the directories.</p></li> | |
| 1274 <li><p><b>$NATIVE_RETROFIT_CXX</b> retroactively add uClibc++ to the cross | |
| 1275 compiler tarball during the native build stage.</p></li> | |
| 1276 </ul> | |
| 1277 | |
| 1278 <p>The run-emulator.sh scripts of system images have several new options, | |
| 1279 do "./run-emulator.sh --help" for a list. Takes several environment | |
| 1280 variables such as $QEMU_EXTRA and $KERNEL_EXTRA. Root filesystems can | |
| 1281 now run in read only mode with "KERNEL_EXTRA=ro".</p> | |
| 1282 | |
| 1283 <p>Lots of build infrastructure upgrades. The build stages have been | |
| 1284 reorganized somewhat (most noticeably package-mini-native.sh is now called | |
| 1285 system-image.sh). The "sources/packages" directory has moved up a | |
| 1286 directory (to separate repository files from stuff downloaded at runtime). | |
| 1287 Upgrades to the cc wrapper and the USE_UNSTABLE infrastructure. Better | |
| 1288 stripping of the cross compilers and system images, so everything's a bit | |
| 1289 smaller. The mirror list now lives in download.sh. New buildall.sh is a | |
| 1290 wrapper around build.sh. New build-static-toolchains.sh builds them under | |
|
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1291 qemu; set FORK=1 to build them in parallel just like buildall.sh. The |
| 694 | 1292 ext2 system images are now built at a small size with genext2fs and |
| 1293 then expanded with resize2fs (because genext2fs slows down exponentially | |
| 1294 as size increases; this means e2fsprogs is built in host-tools.sh now). | |
| 1295 Distcc has been upgraded, and should work more reliably now.</p> | |
| 1296 | |
| 1297 <p>Too many little bug fixes to list.</p> | |
| 1298 | |
| 927 | 1299 <hr> |
| 1300 <h2><a name=12-16-2008 />December 16, 2008</h2> | |
|
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1301 <p>The mailing list moved to firmware at impactlinux.com. The link in |
|
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1302 the nav bar on the left has changed, but the |
|
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1303 <a href=http://www2.them.com:8080/cgi-bin/mailman/listinfo/firmware>old |
|
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1304 archives</a> are still there for the moment.</p> |
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1305 |
| 927 | 1306 </hr> |
| 1307 <h2><a name=12-03-2008 />December 3, 2008</h2> | |
| 523 | 1308 <p>After several false starts (I.E. last minute bugs, yes I test this thing |
| 1309 before shipping it), | |
| 1310 <a href=downloads/firmware-0.9.5.tar.bz2>Version 0.9.5</a> is out, inching | |
| 1311 towards a 1.0 release. Lots of new work this time.</p> | |
| 1312 | |
| 1313 <p>The biggest news is uClibc 0.9.30 and uClibc++ 0.2.2. The native toolchain | |
| 1314 now supports C++, hooked up to distcc and everything.</p> | |
| 1315 | |
| 1316 <p>The <a href=documentation.html>documentation</a> has been extensively | |
| 1317 rewritten. (There's always more to do, but most of it isn't horribly out | |
| 1318 of date anymore.)</p> | |
| 1319 | |
| 1320 <p>The packaging stage now uses genext2fs instead of User Mode Linux, so | |
| 1321 the most brittle part of the build has been removed. FWL can now fully | |
| 1322 rebuild itself under itself, all the way through the packaging stage.</p> | |
| 1323 | |
| 1324 <p>My personal website's getting a touch overwhelmed, so a higher bandwidth | |
| 1325 site is now available at | |
| 1326 <a href=http://impactlinux.com/fwl>impactlinux.com</a>. This should become | |
| 1327 the new primary website going forward.</p> | |
| 1328 | |
| 1329 <p>BusyBox has also been upgraded (to 1.13.0), and the new USE_UNSTABLE | |
| 1330 infrastructure allows test versions of any package to be downloaded and built | |
| 1331 without forking the build scripts, so future package upgrades can be dealt | |
| 1332 with as side projects without blocking other important work.</p> | |
| 1333 | |
| 1334 <p>The packaging stage now uses genext2fs instead of User Mode Linux, so | |
| 1335 the most brittle part of the build has been removed. FWL can now fully | |
| 1336 rebuild itself under itself, all the way through the packaging stage.</p> | |
| 1337 | |
| 1338 <p>The old forkbomb script has been replaced with sources/build-all-targets.sh. | |
| 1339 with an argument --fork to build all targets in parallel, and "--fork 3" | |
| 1340 to limit the parallelism. This script can run from a cron job, producing | |
| 1341 a "buildall" directory with tarballs, compressed logs, and a README file | |
| 1342 listing the version of each package. The environment variable USE_STATIC_HOST | |
| 1343 specifies an $ARCH to create statically linked cross compilers | |
| 1344 for. (The build will then try to use them for the later stages, | |
| 1345 and won't get far if you specify an arch that can't run on the host.)</p> | |
| 1346 | |
| 1347 <p>The include.sh script has been broken up, with a new sources/functions.sh | |
| 1348 containing shell functions (like download, setupfor, and cleanup) and | |
| 1349 a new "config" setting the user-editable environment variables that control | |
| 1350 the build. Several of these variables have been renamed and their number has | |
| 1351 grown. You can now specify the colors for each build stage using the variables | |
| 1352 at the end of config.</p> | |
| 1353 | |
| 1354 <p>Building mini-native in a Linux From Scratch style /tools directory is | |
| 1355 no longer the default. Instead set NATIVE_TOOLSDIR=1 if you want that | |
| 1356 kind of layout instead of a more conventional layout. (Similarly, | |
| 1357 NATIVE_TOOLCHAIN=1 now enables the native toolchain, but that variable | |
| 1358 defaults to enabled in config.)</p> | |
| 1359 | |
| 1360 <p>See the <a href=documentation.html>docs</a> for details.</p> | |
| 1361 | |
| 927 | 1362 <hr> |
| 1363 <h2><a name=08-06-2008 />August 6, 2008</h2> | |
|
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1364 <p><a href=downloads/firmware-0.9.0.tar.bz2>Version 0.9.0</a> is out |
|
1321
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1365 (<a href=/hg/firmware/shortlog/378>changeset 378</a>) |
|
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1366 and can rebuild itself under itself. (The packaging step still requires User |
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|
1367 Mode Linux to create ext2 images, which only works on x86 and x86-64 hosts. |
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1368 The next release should replace that with something more portable.) |
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1369 The root filesystem is now based on BusyBox 1.11.1 (plus a few bug fixes).</p> |
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1370 |
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1371 <p>The prebuilt binary images have been moved into their own |
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|
1372 <a href=downloads/binaries>binaries</a> directory. |
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1373 The prebuilt binary <a href=downloads/binaries/cross-compiler>cross |
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1374 compilers</a> are statically linked against uClibc for better portability. |
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1375 Updated the <a href=downloads/README>README</a> to better describe the |
|
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1376 contents of the <a href=downloads/binaries/system-image>system-image |
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|
1377 tarballs</a>.</p> |
|
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1378 |
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1379 <p>The forkbomb.sh script can now take a number of parallel targets to |
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1380 launch, for example "./forkbomb.sh --fork 3". (The resulting display is kind |
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1381 of horrible but the out-$ARCH.txt files are still legible.) Leaving off the |
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1382 number still builds all targets in parallel, with the original display.</p> |
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1383 |
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1384 <p>The include.sh script was reorganized so that interesting environment |
|
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1385 variables the user might want to export for themselves are set near the top |
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|
1386 of the script. Currently this includes:</p> |
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1387 |
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1388 <ul> |
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1389 <li><p><b>BUILD_SHORT</b> - Makes the mini-native.sh stage skip building |
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|
1390 development tools. The resulting mini-native root filesystem contains uClibc |
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1391 and busybox, but nothing else. (Export "BUILD_SHORT=headers" to put back the |
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|
1392 toolchain headers for use by another compiler, such as tinycc.)</p> |
|
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1393 |
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Rob Landley <rob@landley.net>
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|
1394 <li><p><b>BUILD_STATIC</b> - Tell cross-compiler.sh to create static |
|
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Rob Landley <rob@landley.net>
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|
1395 binaries, for a more portable cross compiler toolchain. (If you want them |
|
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Rob Landley <rob@landley.net>
parents:
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|
1396 linked against uClibc, build a mini-native for your host, chroot into it, and |
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|
1397 then rebuild under that.)</li> |
|
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Rob Landley <rob@landley.net>
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|
1398 |
|
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Rob Landley <rob@landley.net>
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1399 <li><p><b>PREFERRED_MIRROR</b> - Tell download.sh to fetch packages from a |
|
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Rob Landley <rob@landley.net>
parents:
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|
1400 non-default location (falling back to the standard mirror list if it can't get |
|
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Rob Landley <rob@landley.net>
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|
1401 one from there).</p></li> |
|
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Rob Landley <rob@landley.net>
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1402 |
|
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Rob Landley <rob@landley.net>
parents:
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|
1403 <li><p><b>RECORD_COMMANDS</b> - Record a list of all command lines used during |
|
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Rob Landley <rob@landley.net>
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|
1404 each build stage log files named "cmdlines.$STAGE.$PACKAGE" under the build |
|
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Rob Landley <rob@landley.net>
parents:
diff
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|
1405 directory. Each file can be turned into a list of the command names used via |
|
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Rob Landley <rob@landley.net>
parents:
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|
1406 "awk '{print $1}' build/cmdlines* | sort -u". The script |
|
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Rob Landley <rob@landley.net>
parents:
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|
1407 sources/toys/report_recorded_commands.sh gives a report of all commands |
|
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Rob Landley <rob@landley.net>
parents:
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|
1408 used by each package after a call to "RECORD_COMMANDS=1 ./forkbomb.sh". |
|
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Rob Landley <rob@landley.net>
parents:
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changeset
|
1409 (This is an easy way to find out exactly what environmental dependencies a |
|
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Rob Landley <rob@landley.net>
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|
1410 package needs to build, or at least what it uses out of $PATH).</p></li> |
|
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Rob Landley <rob@landley.net>
parents:
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|
1411 </ul> |
|
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Rob Landley <rob@landley.net>
parents:
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|
1412 |
|
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Rob Landley <rob@landley.net>
parents:
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|
1413 <p>Updated documentation is in progress...</p> |
|
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Rob Landley <rob@landley.net>
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|
1414 |
| 927 | 1415 <hr> |
| 1416 <h2><a name=06-06-2008 />June 6, 2008</h2> | |
|
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|
1417 <p><a href=downloads/firmware-0.4.0.tar.bz2>Version 0.4.0</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
diff
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|
1418 (<a href=/hg/firmware/shortlog/345>changeset 345</a>), |
|
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Rob Landley <rob@landley.net>
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|
1419 with kernel 2.6.25.4 and the "distcc trick" working out of the box.</p> |
|
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Rob Landley <rob@landley.net>
parents:
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|
1420 |
|
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Rob Landley <rob@landley.net>
parents:
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|
1421 <p>The distcc trick accelerates a native build by calling out to the |
|
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Rob Landley <rob@landley.net>
parents:
diff
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|
1422 cross compiler. To use it, download the appropriate cross-compiler-$ARCH and |
|
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Rob Landley <rob@landley.net>
parents:
diff
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|
1423 system-image-$ARCH tarballs, run the "run-with-distcc.sh" from the system image |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1424 directory with the path to the cross compiler directory as its first argument. |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1425 (You need to have distcc installed on the host system.)</p> |
|
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Rob Landley <rob@landley.net>
parents:
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|
1426 |
|
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Rob Landley <rob@landley.net>
parents:
diff
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|
1427 <p>After building from source, the cross-compiler and system-image directories |
|
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Rob Landley <rob@landley.net>
parents:
diff
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|
1428 remain in the build directory. The "emulator-build.sh" runs these with |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1429 distcc acceration set up. The script "smoketest.sh" is a wrapper |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1430 around emulator-build.sh which feeds a script into qemu's stdin to compile |
|
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Rob Landley <rob@landley.net>
parents:
diff
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|
1431 and run a multi-threaded "hello world" under the emulator, using distcc and |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1432 the cross compiler.</p> |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1433 |
|
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Rob Landley <rob@landley.net>
parents:
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|
1434 <p>If smoketest.sh works for a platform, it means a lot of stuff worked to get |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1435 that far. The cross compiler worked to build the system, and the emulated |
|
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Rob Landley <rob@landley.net>
parents:
diff
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|
1436 system booted so QEMU, the uClibc config, and the kernel config agreed. |
|
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Rob Landley <rob@landley.net>
parents:
diff
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|
1437 The emulated system has a working virtual hard drive and serial port, and for |
|
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Rob Landley <rob@landley.net>
parents:
diff
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|
1438 distcc to work it has a working virtual network connection. Running "make" |
|
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Rob Landley <rob@landley.net>
parents:
diff
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|
1439 would also require a working realtime clock.</p> |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1440 |
|
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Rob Landley <rob@landley.net>
parents:
diff
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|
1441 <p>The seven commands missing in order to run the FWL build under itself |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1442 are bzip2, sort, diff, wget, install, od, and find. (The busybox versions, |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1443 where available, had a bug, and they're not in toybox yet.) I'm trying to |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1444 get those in for the next release in September.</p> |
|
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Rob Landley <rob@landley.net>
parents:
diff
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|
1445 |
|
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Rob Landley <rob@landley.net>
parents:
diff
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|
1446 <p>Sorry I missed a release back in April. Shouldn't happen again.</p> |
|
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Rob Landley <rob@landley.net>
parents:
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|
1447 |
| 927 | 1448 <hr> |
| 1449 <h2><a name=01-29-2008 />January 29, 2008</h2> | |
|
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Rob Landley <rob@landley.net>
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|
1450 <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
diff
changeset
|
1451 (<a href=/hg/firmware/shortlog/275>changeset 275</a>), with |
|
388
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Rob Landley <rob@landley.net>
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|
1452 kernel 2.6.24. The <a href=downloads/images>images</a> |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1453 are now tarballs each containing the ext2, zImage, and run script files. |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1454 The run scripts now run qemu-setup.sh by default so /proc, /sys, /dev |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1455 and the virtual network are initialized, and the default shell is busybox |
|
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Add project summary page to website, moving news to its own page.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1456 ash (so cursor keys and history work).</p> |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1457 |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1458 <p>Sparc is still broken (tracked it down to a dynamic linking bug, I think, |
|
3eeb77934265
Add project summary page to website, moving news to its own page.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1459 haven't fixed it yet) and m68k is failing to build with an internal compiler |
|
3eeb77934265
Add project summary page to website, moving news to its own page.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1460 error (next release I should upgrade the compiler). All the other targets |
|
3eeb77934265
Add project summary page to website, moving news to its own page.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1461 have a working virtual network, and all but powerpc exit qemu when you |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1462 exit the PID 1 command shell.</p> |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1463 |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1464 <p>Building on an x86-64 host< should no longer be insanely slow (the |
|
3eeb77934265
Add project summary page to website, moving news to its own page.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1465 gcc-min-heapsize arguments that allow 32-bit hosts to build in |
|
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Add project summary page to website, moving news to its own page.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1466 128 megs of ram do very impolite things to 64-bit hosts), and the resulting |
|
3eeb77934265
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1467 x86-64 cross compiler should now be properly relocatable.</p> |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1468 |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1469 <p>Better build dependency tracking: the host-tools script is now |
|
3eeb77934265
Add project summary page to website, moving news to its own page.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1470 populating a single directory with all the commands needed by the build, and |
|
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Add project summary page to website, moving news to its own page.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1471 restricting $PATH to that directory (so it can't accidentally call any |
|
3eeb77934265
Add project summary page to website, moving news to its own page.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1472 commands that aren't explicitly listed). It's building toybox and busybox to |
|
3eeb77934265
Add project summary page to website, moving news to its own page.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1473 provide most of these commands (the remaining ones are listed towards the end |
|
3eeb77934265
Add project summary page to website, moving news to its own page.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1474 of include.sh), and creating symlinks to the remaining ones out |
|
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Add project summary page to website, moving news to its own page.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1475 of the original $PATH. This allows it to build on a wider range of host |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1476 distributions.</p> |
|
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Rob Landley <rob@landley.net>
parents:
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changeset
|
1477 |
| 927 | 1478 <hr> |
| 1479 <h2><a name=11-02-2007 />November 2, 2007</h2> | |
|
388
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Rob Landley <rob@landley.net>
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|
1480 <p><a href=downloads/firmware-0.3.0.tar.bz2>Version 0.3.0</a> is out |
|
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Add project summary page to website, moving news to its own page.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1481 (changeset 242), with kernel 2.6.23. PowerPC finally works under |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1482 qemu (network and everything), and it's building a m68k target |
|
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Add project summary page to website, moving news to its own page.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1483 (although I have no emulator to run that). That means there are |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1484 ten targets, of which eight run under qemu. (Sparc is still |
|
3eeb77934265
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1485 broken, let me know if anybody actually cares.)</p> |
|
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Rob Landley <rob@landley.net>
parents:
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changeset
|
1486 |
|
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Rob Landley <rob@landley.net>
parents:
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changeset
|
1487 <p>The new "./forkbomb.sh --fork" script builds all the targets in |
|
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Add project summary page to website, moving news to its own page.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1488 parallel, or use --nofork if you haven't got the memory for that |
|
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Add project summary page to website, moving news to its own page.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1489 (and --watch to watch and existing build if you ctrl-c out of |
|
3eeb77934265
Add project summary page to website, moving news to its own page.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1490 the display before it's done).</p> |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1491 |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1492 <p>The build is now smarter about extracting only one copy of the |
|
3eeb77934265
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1493 source code (in build/sources) and re-using it for multiple builds, |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1494 building out of tree (via cp -rs to create a tree full of symlinks |
|
3eeb77934265
Add project summary page to website, moving news to its own page.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1495 so the package doesn't need native out-of-tree support).</p> |
|
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Rob Landley <rob@landley.net>
parents:
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changeset
|
1496 |
| 927 | 1497 <hr> |
| 1498 <h2><a name=09-02-2007 />September 2, 2007</h2> | |
|
388
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Rob Landley <rob@landley.net>
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|
1499 <p>Added <a href=new_platform.html>a porting guide</a>. I'm working on |
|
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Rob Landley <rob@landley.net>
parents:
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changeset
|
1500 m68k, ppc, big endian arm, and maybe blackfin targets for the next release, |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1501 and thought other people might be interested in the process. (The vast |
|
3eeb77934265
Add project summary page to website, moving news to its own page.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1502 majority of it is fiddly debugging. These are the other steps.)</p> |
|
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Rob Landley <rob@landley.net>
parents:
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changeset
|
1503 |
| 927 | 1504 <hr> |
| 1505 <h2><a name-06-27-2007 />June 27, 2007</h2> | |
|
388
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Rob Landley <rob@landley.net>
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|
1506 <p><a href=downloads/firmware-0.2.2.tar.bz2>Version 0.2.2</a> is out |
|
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Rob Landley <rob@landley.net>
parents:
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changeset
|
1507 (changeset 185). Using uClibc 0.9.29 release, several small bugfixes, |
|
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Rob Landley <rob@landley.net>
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|
1508 new mips big-endian config, actually work when /bin/sh->dash (mostly |
|
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Add project summary page to website, moving news to its own page.
Rob Landley <rob@landley.net>
parents:
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|
1509 by explicitly saying /bin/bash everywhere), automatically detect |
|
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Add project summary page to website, moving news to its own page.
Rob Landley <rob@landley.net>
parents:
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|
1510 the number of CPUs in the machine to feed -j to make, and better |
|
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Rob Landley <rob@landley.net>
parents:
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|
1511 diagnostic output.</p> |
|
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Rob Landley <rob@landley.net>
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|
1512 |
| 927 | 1513 <hr> |
| 1514 <h2><a name=04-09-2007 />April 9, 2007</h2> | |
|
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|
1515 <p><a href=downloads/firmware-0.2.1.tar.bz2>Version 0.2.1</a> is out |
|
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Rob Landley <rob@landley.net>
parents:
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|
1516 (changeset 156). Significant upgrades to armv4l: the native compiler works |
|
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Rob Landley <rob@landley.net>
parents:
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|
1517 now, and it's using soft-float. Added armv5l and i586 targets to show how |
|
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Rob Landley <rob@landley.net>
parents:
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|
1518 to do that kind of variant. Added preliminary powerpc support (although |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1519 qemu can't run it yet). Reorganized the download directory and rewrote |
|
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Rob Landley <rob@landley.net>
parents:
diff
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|
1520 the <a href=downloads/README>README</a>. Added squashfs back (the kernel |
|
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Rob Landley <rob@landley.net>
parents:
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|
1521 supports it, but it's not using it yet). Moved uClibc to miniconfig. |
|
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Rob Landley <rob@landley.net>
parents:
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|
1522 (Yes, the patch for this is huge, and yes I need to push it all upstream into |
|
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Rob Landley <rob@landley.net>
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|
1523 the Linux kernel. On the bright side, this one builds on a host that doesn't |
|
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Rob Landley <rob@landley.net>
parents:
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|
1524 have curses installed.) Stopped trying to build qemu (at least until they |
|
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Rob Landley <rob@landley.net>
parents:
diff
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|
1525 get the gcc 3.x dependencies cleaned out), now just warn if it's not there |
|
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Rob Landley <rob@landley.net>
parents:
diff
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|
1526 (so far the build only uses it to sanity-test the cross compiler, which is |
|
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Rob Landley <rob@landley.net>
parents:
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|
1527 now skipped automatically if it's not there).</p> |
|
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Rob Landley <rob@landley.net>
parents:
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|
1528 |
|
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Rob Landley <rob@landley.net>
parents:
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|
1529 <p>I note that some versions of Ubuntu (Edgy and up) are pushing a political |
|
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Rob Landley <rob@landley.net>
parents:
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|
1530 agenda. They install bash, but point /bin/sh to dash instead. (So why |
|
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Rob Landley <rob@landley.net>
parents:
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|
1531 install bash if you're not going to use it?) This breaks all sorts of things, |
|
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Rob Landley <rob@landley.net>
parents:
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|
1532 and if somebody can tell me how to force make to run "/bin/bash" instead of |
|
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Rob Landley <rob@landley.net>
parents:
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|
1533 "/bin/sh", I'll consider trying to deal with the mess. Until then, I suggest |
|
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Rob Landley <rob@landley.net>
parents:
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|
1534 "rm /bin/sh; ln -s bash /bin/sh" to get a working system. (I'm no fan of |
|
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Rob Landley <rob@landley.net>
parents:
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|
1535 bash, but dash is just broken.)</p> |
|
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Rob Landley <rob@landley.net>
parents:
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|
1536 |
|
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Rob Landley <rob@landley.net>
parents:
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changeset
|
1537 <p>(Those of you who use vi and want to be able to use the cursor keys while |
|
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Rob Landley <rob@landley.net>
parents:
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|
1538 in insert mode might want to do something similar with vi->vim. Ubuntu seems |
|
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Rob Landley <rob@landley.net>
parents:
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|
1539 to be trying to train users to change their habits. Dog biscuits would be a |
|
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Rob Landley <rob@landley.net>
parents:
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|
1540 more honest approach.)</p> |
|
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Rob Landley <rob@landley.net>
parents:
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|
1541 |
|
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Rob Landley <rob@landley.net>
parents:
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|
1542 <p>Update: I've been pointed at |
|
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Rob Landley <rob@landley.net>
parents:
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|
1543 <a href=https://wiki.ubuntu.com/DashAsBinSh>this</a> as evidence Ubuntu isn't |
|
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Rob Landley <rob@landley.net>
parents:
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|
1544 pushing a political agenda. Ok, maybe it's just really bad technical judgement. |
|
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Rob Landley <rob@landley.net>
parents:
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|
1545 Are they honestly saying that people write shell scripts for the speed? And |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1546 how do you make a size argument and then install bash by default in ADDITION |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1547 to the other shell? Boggle. In 1991 after Linus Torvalds taught his term |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1548 program to understand the minix filesystem so he could upload and download |
|
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Rob Landley <rob@landley.net>
parents:
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changeset
|
1549 without rebooting, he taught it to handle the system calls of bash so he could |
|
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Rob Landley <rob@landley.net>
parents:
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changeset
|
1550 rm/mv/mkdir without rebooting. That's where Linux 0.0.1 |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1551 came from. Bash was the default Linux shell _before_ 0.0.1. Be very |
|
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Rob Landley <rob@landley.net>
parents:
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changeset
|
1552 careful messing with that kind of a de-facto standard, guys. Dash is |
|
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Rob Landley <rob@landley.net>
parents:
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changeset
|
1553 garbage. Background a process with & and then hit ctrl-c: it'll kill it. |
|
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Rob Landley <rob@landley.net>
parents:
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|
1554 It doesn't understand blah/{blah,blah} file list syntax. It can't do |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1555 "source file.sh" (just ". file.sh", which is unreadable). I repeat: I'm not a |
|
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Add project summary page to website, moving news to its own page.
Rob Landley <rob@landley.net>
parents:
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changeset
|
1556 fan of bash (yeah, the bloat's getting crazy), but dash is broken.</p> |
|
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Rob Landley <rob@landley.net>
parents:
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|
1557 |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1558 <p>And that still doesn't explain why "vi" can't use the cursor keys in |
|
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Rob Landley <rob@landley.net>
parents:
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changeset
|
1559 insert mode, but "vim" can...</p> |
|
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Rob Landley <rob@landley.net>
parents:
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|
1560 |
| 927 | 1561 <hr> |
| 1562 <h2><a name=03-06-2007 />March 6, 2007</h2> | |
|
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|
1563 <p>Version 0.2.0 is out. This one builds ext2 images which can boot up to a |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1564 shell prompt under qemu. This works on i686, armv4l, x86_64, and mipsel. |
|
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Rob Landley <rob@landley.net>
parents:
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|
1565 (Sparc's broken. Anyone who cares about sparc is welcome to debug it.)</p> |
|
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Rob Landley <rob@landley.net>
parents:
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|
1566 |
|
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Rob Landley <rob@landley.net>
parents:
diff
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|
1567 <p>There are now prebuilt ext2 image files in the download directory. |
|
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Add project summary page to website, moving news to its own page.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1568 The kernels are in the mini-native tarballs. (Yeah, I should repackage that |
|
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Add project summary page to website, moving news to its own page.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1569 next release.) The system emulator invocation for each platform is |
|
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Rob Landley <rob@landley.net>
parents:
diff
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|
1570 the appropriate sources/configs file, and run-mini-native.sh invokes 'em.</p> |
|
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Rob Landley <rob@landley.net>
parents:
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|
1571 |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1572 <p>The mailing list is in the usual place if you have any questions.</p> |
|
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Rob Landley <rob@landley.net>
parents:
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|
1573 |
| 927 | 1574 <hr> |
| 1575 <h2><a name=01-14-2007 />January 14, 2007</h2> | |
|
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|
1576 <p>There's a new irc channel for the project, #firmware on freenode.</p> |
|
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Rob Landley <rob@landley.net>
parents:
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changeset
|
1577 |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1578 <p><a href=http://landley.net/hg/firmware?cl=88>Changeset 88</a> builds |
|
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Add project summary page to website, moving news to its own page.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1579 i686, x86_64, armv4l, mips, and sparc. I've made a release tarball of |
|
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Add project summary page to website, moving news to its own page.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1580 that (<a href=downloads/firmware-0.1.1.tar.bz2>firmware 0.1.1</a>, "It works |
|
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Rob Landley <rob@landley.net>
parents:
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changeset
|
1581 for me"), and updated the prebuilt cross-compiler tarballs in the |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1582 <a href=downloads>downloads</a> directory. I've added a big README and |
|
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Add project summary page to website, moving news to its own page.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1583 prebuilt mini-native tarballs for each platform (although packing them up into |
|
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Add project summary page to website, moving news to its own page.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1584 something qemu can boot is currently left as an exercise for the reader).</p> |
|
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Rob Landley <rob@landley.net>
parents:
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|
1585 |
|
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Rob Landley <rob@landley.net>
parents:
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changeset
|
1586 <p>Speaking of which, I'm currently working on adding ext2 packaging |
|
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Rob Landley <rob@landley.net>
parents:
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changeset
|
1587 (via <a href=http://landley.net/code/toybox>toybox</a>) to the build scripts, |
|
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Rob Landley <rob@landley.net>
parents:
diff
changeset
|
1588 so qemu system emulation can boot the result and then run the next stage |
|
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Rob Landley <rob@landley.net>
parents:
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changeset
|
1589 automatically.</p> |
|
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Rob Landley <rob@landley.net>
parents:
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changeset
|
1590 |
| 927 | 1591 <hr> |
| 1592 <h2><a name=12-28-2006 />December 28, 2006</h2> | |
|
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|
1593 <p><a href=http://landley.net/hg/firmware?cl=68>Changeset 68</a> builds |
|
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Rob Landley <rob@landley.net>
parents:
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changeset
|
1594 a native build environment with a working toolchain. And in celebration, I've |
|
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Rob Landley <rob@landley.net>
parents:
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changeset
|
1595 revamped the website with an actual navigation bar and content and such.</p> |
|
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Add project summary page to website, moving news to its own page.
Rob Landley <rob@landley.net>
parents:
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changeset
|
1596 |
|
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Rob Landley <rob@landley.net>
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changeset
|
1597 <p>I should put out a release soon.</p> |
|
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Rob Landley <rob@landley.net>
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|
1598 |
| 927 | 1599 <hr> |
| 1600 <h2><a name=12-05-2006 />December 5, 2006</h2> | |
|
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Rob Landley <rob@landley.net>
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|
1601 <p><a href=http://landley.net/hg/firmware?cl=27>Changeset 27</a> builds |
|
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Rob Landley <rob@landley.net>
parents:
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changeset
|
1602 a relocatable armv4l cross-compile toolchain! Download the tarball, |
|
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Rob Landley <rob@landley.net>
parents:
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changeset
|
1603 run ./download.sh, then run ./build.sh, then grab the "build/cross-compiler" |
|
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Rob Landley <rob@landley.net>
parents:
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changeset
|
1604 directory and use "bin/armv4l-unknown-linux-gnu-gcc" out of that (which |
|
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Rob Landley <rob@landley.net>
parents:
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|
1605 I admit is a bit of a mouthful, for which I blame the FSF).</p> |
|
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Rob Landley <rob@landley.net>
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|
1606 |
| 927 | 1607 <hr> |
| 1608 <h2><a name=08-06-2006 />August 6, 2006</h2> | |
|
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|
1609 <p>Mecurial repository created. Nothing to see yet, move along...</p> |
|
881
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:
879
diff
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|
1610 |
|
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:
879
diff
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|
1611 <!--#include file="footer.html" --> |