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annotate host-tools.sh @ 1299:dcf7da6a6633

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Add the sha1sum to the LFS tarball.
author Rob Landley <rob@landley.net>
date Mon, 22 Nov 2010 17:31:51 -0600
parents 918501f802d1
children 9252453c40d0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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6b4844b708b9 dash->bash.
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1 #!/bin/bash
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2
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e5f9681a8b3c Lots of comment updates. Add a NO_HOST_TOOLS=1 config option, and a few "time" calls to stages that didn't have them. Put native-compiler.sh after root-filesystem.sh in build so it's slightly easier to document.
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3 # Set up a known host environment, providing known versions of all required
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626288dd5cf3 Lots of comments.
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4 # prerequisites, built from source.
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5
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6 # This script serves a similar purpose to the temporary chroot system in
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7 # Linux From Scratch chapter 5, isolating the new build from the host system
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8 # so information from the host doesn't accidentally leak into the target.
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10 # This script populates a build/host directory with busybox and symlinks to
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11 # the host's toolchain, then adds the other packages (genext2fs, e2fsprogs,
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12 # squashfs-tools, distcc, and qemu) that might be needed to package and run
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13 # a system image. This lets the rest of the build run with the $PATH pointing
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14 # at the new build/host directory and nothing else.
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15
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16 # The tools provided by this stage are as similar as possible to the ones
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17 # provided in the final system image. The fact the system can build under
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18 # these tools is a good indication that it should be able to rebuild itself
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19 # under itself.
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20
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21 # This script is optional. The build runs fine without it, assuming the
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22 # host has all the necessary packages installed and doesn't have any extra
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23 # packages (such as libtool, pkg-config, python...) that might provide
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24 # false information to autoconf or attach themselves as dependencies to
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25 # the newly generated programs. (In practice, this can be quite fiddly.)
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26
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1cf41855bb85 More error checking.
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27 source sources/include.sh || exit 1
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28
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db06a8c1bfed Lots of changes to move buildall.sh functionality into build.sh.
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29 echo "=== Building $STAGE_NAME"
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b0438691e9e1 Move color selection into ./config. (The default colors don't look great on a white background.)
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30
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e2fc10ede93f Consistently use STAGE_DIR as the output directory. (root-filesystem.sh already did, host-tools.sh was using $HOSTTOOLS, cross-compiler.sh was using $CROSS, and system-image.sh was using SYSIMAGE.)
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31 STAGE_DIR="${HOSTTOOLS}"
e2fc10ede93f Consistently use STAGE_DIR as the output directory. (root-filesystem.sh already did, host-tools.sh was using $HOSTTOOLS, cross-compiler.sh was using $CROSS, and system-image.sh was using SYSIMAGE.)
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32
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33 # Blank $WORK but accept $STAGE_DIR if it exists. Re-running this script
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34 # should be a NOP.
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36 blank_tempdir "$WORK"
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37 mkdir -p "$STAGE_DIR" || dienow
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38
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39 # If we're not recording the host command lines, then populate a directory
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40 # with host versions of all the command line utilities we're going to install
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41 # into root-filesystem. When we're done, PATH can be set to include just this
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42 # directory and nothing else.
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43
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44 # This serves three purposes:
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45 #
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46 # 1) Enumerate exactly what we need to build the system, so we can make sure
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47 # root-filesystem has everything it needs to rebuild us. If anything is
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48 # missing from this list, the resulting root-filesystem probably won't have
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49 # it either, so it's nice to know as early as possible that we actually
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50 # needed it.
352
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51 #
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52 # 2) Quick smoke test that the versions of the tools we're using can compile
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53 # everything from source correctly, and thus root-filesystem should be able
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54 # to rebuild from source using those same tools.
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55 #
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56 # 3) Reduce variation from distro to distro. The build always uses the
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57 # same command line utilities no matter where we're running, because we
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58 # provide our own.
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60 # Use the new tools we build preferentially, as soon as they become
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61 # available.
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63 PATH="$STAGE_DIR:$PATH"
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64
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65 # Sanity test for the host supporting static linking.
2de27a5561af Test for static linking capability on the host, and complain if we need it but it isn't there.
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66
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67 if [ "$BUILD_STATIC" != none ]
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68 then
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69 $CC "$SOURCES/toys/hello.c" --static -o "$STAGE_DIR/hello-$$" &&
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70 rm "$STAGE_DIR/hello-$$"
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71
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72 if [ $? -ne 0 ]
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73 then
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74 echo "Your host toolchain does not support static linking." >&2
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75 echo "Either install support, or export BUILD_STATIC=none" >&2
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76
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77 dienow
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78 fi
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79 fi
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80
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81
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82 # Start by building busybox. We have no idea what strange things our host
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83 # system has (or lacks, such as "which"), so throw busybox at it first
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84 # thing.
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85
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86 [ ! -f "$STAGE_DIR/busybox" ] && build_section busybox
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88 # Create symlinks to the host toolchain. We need a usable existing host
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89 # toolchain in order to build anything else (even a new host toolchain),
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90 # and we don't really want to have to care what the host type is, so
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91 # just use the toolchain that's already there.
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93 # This is a little more complicated than it needs to be, because the host
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94 # toolchain may be using ccache and/or distcc, which means we need every
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95 # instance of these tools that occurs in the $PATH, in order, each in its
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96 # own fallback directory.
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97
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98 for i in ar as nm cc make ld gcc $HOST_EXTRA
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99 do
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100 if [ ! -f "$STAGE_DIR/$i" ]
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101 then
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102 # Loop through each instance, populating fallback directories.
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103
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104 X=0
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105 FALLBACK="$STAGE_DIR"
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106 PATH="$OLDPATH" "$STAGE_DIR/which" -a "$i" | while read j
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107 do
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108 mkdir -p "$FALLBACK" &&
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109 ln -sf "$j" "$FALLBACK/$i" || dienow
796
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110
899
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111 X=$[$X+1]
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112 FALLBACK="$STAGE_DIR/fallback-$X"
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113 done
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114
77024e0f4ccb Ubuntu 10.04 turned gcc into a perl script wrapper that calls gcc.real, so host-tools.sh has to copy that if it exists. Add some simple error checking the the host toolchain symlinking while we're at it.
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115 if [ ! -f "$STAGE_DIR/$i" ]
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116 then
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117 echo "Toolchain component missing: $i" >&2
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118 dienow
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119 fi
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120 fi
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121 done
792
b364ed2adf49 Fedora 11 hasn't got "which", so move the busybox build up and the host toolchain symlinks down to the end. Make sure toybox patch replaces busybox patch, and host toolchain ar replaces busybox ar.
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122
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123 # Workaround for a bug in Ubuntu 10.04 where gcc became a perl script calling
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124 # gcc.real. Systems that aren't crazy don't need this.
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125
77024e0f4ccb Ubuntu 10.04 turned gcc into a perl script wrapper that calls gcc.real, so host-tools.sh has to copy that if it exists. Add some simple error checking the the host toolchain symlinking while we're at it.
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126 ET_TU_UBUNTU="$(PATH="$OLDPATH" "$STAGE_DIR/which" gcc.real)"
1042
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127 [ ! -z "$ET_TU_UBUNTU" ] && ln -sf "$ET_TU_UBUNTU" "$STAGE_DIR/gcc.real"
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128
899
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129 # We now have all the tools we need in $STAGE_DIR, so trim the $PATH to
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130 # remove the old ones.
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131
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132 PATH="$(hosttools_path)"
311
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel
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133
711
20ba34b54140 Rename mini-native.sh to root-filesystem.sh, since that's what it builds.
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134 # This is optionally used by root-filesystem to accelerate native builds when
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135 # running under qemu. It's not used to build root-filesystem, or to build
311
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel
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136 # the cross compiler, but it needs to be on the host system in order to
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137 # use the distcc acceleration trick.
301
309b574a5059 Redo the $CLEANUP logic to a cleanup function in include.sh (meaning if a
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138
571
f07d714321fe Fix a couple brown paper bag bugs (oops) and general cleanups.
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139 # Note that this one we can use off of the host, it's used on the host where
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140 # the system image runs. The build doesn't actually use it, we only bother
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141 # to build it at all here as a convenience for run-from-build.sh.
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142
318
b3cf2e4b74f0 Patch from Andre Ruiz to fix host-tools rebuild check. (If busybox is already
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143 # Build distcc (if it's not in $PATH)
609
3c30ce98c273 And genext2fs could suffer the same symlink loop problem with RECORD_COMMANDS, so don't symlink. (The point of host-tools.sh is to build what we can from source anyway, linking to anything but the host toolchain defeats the purpose.)
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144 if [ -z "$(which distccd)" ]
277
ffef8c1fe240 Build distcc on host if it's not already installed.
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145 then
571
f07d714321fe Fix a couple brown paper bag bugs (oops) and general cleanups.
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146 setupfor distcc &&
624
7641e1038cb6 The new distcc is dumb enough to use -Werror by default. Make it stop.
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147 ./configure --with-included-popt --disable-Werror &&
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148 make -j "$CPUS" &&
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149 cp distcc distccd "${STAGE_DIR}"
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150
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151 cleanup
277
ffef8c1fe240 Build distcc on host if it's not already installed.
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152 fi
ffef8c1fe240 Build distcc on host if it's not already installed.
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153
609
3c30ce98c273 And genext2fs could suffer the same symlink loop problem with RECORD_COMMANDS, so don't symlink. (The point of host-tools.sh is to build what we can from source anyway, linking to anything but the host toolchain defeats the purpose.)
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154 # Build genext2fs. We use it to build the ext2 image to boot qemu with
3c30ce98c273 And genext2fs could suffer the same symlink loop problem with RECORD_COMMANDS, so don't symlink. (The point of host-tools.sh is to build what we can from source anyway, linking to anything but the host toolchain defeats the purpose.)
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155 # in system-image.sh.
508
909a4921273d Move genext2fs build to host-tools, remove dead code, add comments.
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156
813
e2fc10ede93f Consistently use STAGE_DIR as the output directory. (root-filesystem.sh already did, host-tools.sh was using $HOSTTOOLS, cross-compiler.sh was using $CROSS, and system-image.sh was using SYSIMAGE.)
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157 if [ ! -f "${STAGE_DIR}"/genext2fs ]
508
909a4921273d Move genext2fs build to host-tools, remove dead code, add comments.
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158 then
609
3c30ce98c273 And genext2fs could suffer the same symlink loop problem with RECORD_COMMANDS, so don't symlink. (The point of host-tools.sh is to build what we can from source anyway, linking to anything but the host toolchain defeats the purpose.)
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159 setupfor genext2fs &&
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160 ./configure &&
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161 make -j $CPUS &&
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162 cp genext2fs "${STAGE_DIR}"
508
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163
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164 cleanup
508
909a4921273d Move genext2fs build to host-tools, remove dead code, add comments.
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165 fi
909a4921273d Move genext2fs build to host-tools, remove dead code, add comments.
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166
642
c92dc77da038 Since gene2fs can't produce large images in a reasonable amount of time, make a 64 meg image and resize it if necessary. (This means the minimum image size is 64 megs, because gene2fs won't run unless you specify a size, but it knows right away if the size you gave it wasn't big enough. I don't understand this either.)
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167 # Build e2fsprogs.
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168
c92dc77da038 Since gene2fs can't produce large images in a reasonable amount of time, make a 64 meg image and resize it if necessary. (This means the minimum image size is 64 megs, because gene2fs won't run unless you specify a size, but it knows right away if the size you gave it wasn't big enough. I don't understand this either.)
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169 # The hdb.img of run-emulator.sh and run-from-build.sh uses e2fsprogs'
c92dc77da038 Since gene2fs can't produce large images in a reasonable amount of time, make a 64 meg image and resize it if necessary. (This means the minimum image size is 64 megs, because gene2fs won't run unless you specify a size, but it knows right away if the size you gave it wasn't big enough. I don't understand this either.)
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170 # fsck.ext2 and tune2fs. These are installed by default in most distros
c92dc77da038 Since gene2fs can't produce large images in a reasonable amount of time, make a 64 meg image and resize it if necessary. (This means the minimum image size is 64 megs, because gene2fs won't run unless you specify a size, but it knows right away if the size you gave it wasn't big enough. I don't understand this either.)
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171 # (which genext2fs isn't), and genext2fs doesn't have ext3 support anyway.
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172
1001
c381381fa460 Comment tweak.
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173 # system-image.sh will also use resize2fs from this package if
c381381fa460 Comment tweak.
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174 # SYSIMAGE_TYPE=ext2 to expand the image to SYSIMAGE_HDA_MEGS, because
c381381fa460 Comment tweak.
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175 # genext2fs is unreasonably slow at creating large files. (It has a -b
c381381fa460 Comment tweak.
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176 # option that should do this... if you want your 8-way server with 32 gigs
c381381fa460 Comment tweak.
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177 # of ram to sit there and drool for over 10 minutes to create a 2 gig file
c381381fa460 Comment tweak.
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178 # that's mostly empty. Yeah: not doing that.)
c381381fa460 Comment tweak.
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179
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b9319aa31df8 Always make mke2fs, run-from-build.sh can't make hdb.img otherwise.
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180 if [ ! -f "${STAGE_DIR}"/mke2fs ]
642
c92dc77da038 Since gene2fs can't produce large images in a reasonable amount of time, make a 64 meg image and resize it if necessary. (This means the minimum image size is 64 megs, because gene2fs won't run unless you specify a size, but it knows right away if the size you gave it wasn't big enough. I don't understand this either.)
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181 then
c92dc77da038 Since gene2fs can't produce large images in a reasonable amount of time, make a 64 meg image and resize it if necessary. (This means the minimum image size is 64 megs, because gene2fs won't run unless you specify a size, but it knows right away if the size you gave it wasn't big enough. I don't understand this either.)
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182 setupfor e2fsprogs &&
911
b69d7013e16e Fix e2fsprogs on uClibc build.
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183 ./configure --disable-tls --disable-nls --enable-htree &&
642
c92dc77da038 Since gene2fs can't produce large images in a reasonable amount of time, make a 64 meg image and resize it if necessary. (This means the minimum image size is 64 megs, because gene2fs won't run unless you specify a size, but it knows right away if the size you gave it wasn't big enough. I don't understand this either.)
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184 make -j "$CPUS" &&
813
e2fc10ede93f Consistently use STAGE_DIR as the output directory. (root-filesystem.sh already did, host-tools.sh was using $HOSTTOOLS, cross-compiler.sh was using $CROSS, and system-image.sh was using SYSIMAGE.)
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185 cp misc/{mke2fs,tune2fs} resize/resize2fs "${STAGE_DIR}" &&
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186 cp e2fsck/e2fsck "$STAGE_DIR"/fsck.ext2
642
c92dc77da038 Since gene2fs can't produce large images in a reasonable amount of time, make a 64 meg image and resize it if necessary. (This means the minimum image size is 64 megs, because gene2fs won't run unless you specify a size, but it knows right away if the size you gave it wasn't big enough. I don't understand this either.)
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187
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188 cleanup
642
c92dc77da038 Since gene2fs can't produce large images in a reasonable amount of time, make a 64 meg image and resize it if necessary. (This means the minimum image size is 64 megs, because gene2fs won't run unless you specify a size, but it knows right away if the size you gave it wasn't big enough. I don't understand this either.)
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diff changeset
189 fi
c92dc77da038 Since gene2fs can't produce large images in a reasonable amount of time, make a 64 meg image and resize it if necessary. (This means the minimum image size is 64 megs, because gene2fs won't run unless you specify a size, but it knows right away if the size you gave it wasn't big enough. I don't understand this either.)
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parents: 625
diff changeset
190
609
3c30ce98c273 And genext2fs could suffer the same symlink loop problem with RECORD_COMMANDS, so don't symlink. (The point of host-tools.sh is to build what we can from source anyway, linking to anything but the host toolchain defeats the purpose.)
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191 # Squashfs is an alternate packaging option.
301
309b574a5059 Redo the $CLEANUP logic to a cleanup function in include.sh (meaning if a
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192
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193 if [ ! -f "${STAGE_DIR}"/mksquashfs ] &&
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194 ([ -z "$SYSIMAGE_TYPE" ] || [ "$SYSIMAGE_TYPE" == squashfs ])
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195 then
1024
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196 setupfor zlib &&
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197 ./configure &&
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198 make -j $CPUS &&
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199 mv z*.h libz.a ..
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200
0fd90ff771dc Build zlib for squashfs, so we don't depend on the host having it.
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201 cleanup
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202
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203 setupfor squashfs &&
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204 cd squashfs-tools &&
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205 # Disable xattr support, uClibc doesn't support it and it's deeply pointless
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206 # anyway. (I left extended attributes behind with OS/2, thanks.)
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207 sed -i "/^XATTR_/d" Makefile &&
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208 CC="$CC -I ../.. -L ../.." make -j $CPUS &&
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209 cp mksquashfs unsquashfs "${STAGE_DIR}" &&
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210 rm ../../{z*.h,libz.a}
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211
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8129df56091b Extended setupfor/cleanup to create binary package tarballs if the configure option BINARY_PACKAGE_TARBALLS is set. These tarballs extract into the current directory and add all the changed files installed by this package build, so you can pick and choose when assembling your own filesystem.
Rob Landley <rob@landley.net>
parents: 813
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212 cleanup
648
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213 fi
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b66d638a3844 Build User Mode Linux and have that do the ext2 packaging (for now, anyway).
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214
93
153ba1a0b427 Break out the qemu build (and squashfs) into something easy to comment out,
Rob Landley <rob@landley.net>
parents:
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215 echo -e "\e[32mHost tools build complete.\e[0m"