annotate host-tools.sh @ 1041:77024e0f4ccb

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.
author Rob Landley <rob@landley.net>
date Fri, 30 Apr 2010 09:03:06 -0500
parents 0fd90ff771dc
children 0852a69b0d65
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6b4844b708b9 dash->bash.
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1 #!/bin/bash
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3 # Set up a known host environment, providing known versions all required
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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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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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29 echo "=== Building $STAGE_NAME"
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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}"
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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.
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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:$PATH"
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65 # Start by building busybox. We have no idea what strange things our host
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66 # system has (or lacks, such as "which"), so throw busybox at it first
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67 # thing.
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68
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69 [ ! -f "$STAGE_DIR/busybox" ] && build_section busybox
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70 [ ! -f "$STAGE_DIR/toybox" ] && build_section toybox
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72 # Create symlinks to the host toolchain. We need a usable existing host
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73 # toolchain in order to build anything else (even a new host toolchain),
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74 # and we don't really want to have to care what the host type is, so
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75 # just use the toolchain that's already there.
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77 # This is a little more complicated than it needs to be, because the host
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78 # toolchain may be using ccache and/or distcc, which means we need every
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79 # instance of these tools that occurs in the $PATH, in order, each in its
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80 # own fallback directory.
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82 for i in ar as nm cc make ld gcc
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83 do
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84 if [ ! -f "$STAGE_DIR/$i" ]
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85 then
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86 # Loop through each instance, populating fallback directories.
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88 X=0
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89 FALLBACK="$STAGE_DIR"
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90 PATH="$OLDPATH" "$STAGE_DIR/which" -a "$i" | while read j
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91 do
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92 mkdir -p "$FALLBACK" &&
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93 ln -sf "$j" "$FALLBACK/$i" || dienow
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95 X=$[$X+1]
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96 FALLBACK="$STAGE_DIR/fallback-$X"
726cac165450 Remove old RECORD_COMMANDS debris from host-tools.sh and simplify result (lots of white-noise from de-intenting the "else" case of an if/else), factor out wrap_path from sources/more/record-commands.sh, fix the "build host tools first, then wrap it afterwards" case.
Rob Landley <rob@landley.net>
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97 done
1041
77024e0f4ccb Ubuntu 10.04 turned gcc into a perl script wrapper that calls gcc.real, so host-tools.sh has to copy that if it exists. Add some simple error checking the the host toolchain symlinking while we're at it.
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parents: 1024
diff changeset
98
77024e0f4ccb Ubuntu 10.04 turned gcc into a perl script wrapper that calls gcc.real, so host-tools.sh has to copy that if it exists. Add some simple error checking the the host toolchain symlinking while we're at it.
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diff changeset
99 if [ ! -f "$STAGE_DIR/$i" ]
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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parents: 1024
diff changeset
100 then
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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parents: 1024
diff changeset
101 echo "Toolchain component missing: $i" >&2
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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parents: 1024
diff changeset
102 dienow
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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103 fi
899
726cac165450 Remove old RECORD_COMMANDS debris from host-tools.sh and simplify result (lots of white-noise from de-intenting the "else" case of an if/else), factor out wrap_path from sources/more/record-commands.sh, fix the "build host tools first, then wrap it afterwards" case.
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104 fi
726cac165450 Remove old RECORD_COMMANDS debris from host-tools.sh and simplify result (lots of white-noise from de-intenting the "else" case of an if/else), factor out wrap_path from sources/more/record-commands.sh, fix the "build host tools first, then wrap it afterwards" case.
Rob Landley <rob@landley.net>
parents: 897
diff changeset
105 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.
Rob Landley <rob@landley.net>
parents: 783
diff changeset
106
1041
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parents: 1024
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107 # Workaround for a bug in Ubuntu 10.04 where gcc became a perl script calling
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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parents: 1024
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108 # gcc.real. Systems that aren't crazy don't need this.
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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parents: 1024
diff changeset
109
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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parents: 1024
diff changeset
110 ET_TU_UBUNTU="$(PATH="$OLDPATH" "$STAGE_DIR/which" gcc.real)"
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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111 [ ! -z "$ET_TU_UBUNTU" ] && ln -sf "$ET_TU_UBUNTU" gcc.real
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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parents: 1024
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112
899
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113 # We now have all the tools we need in $STAGE_DIR, so trim the $PATH to
726cac165450 Remove old RECORD_COMMANDS debris from host-tools.sh and simplify result (lots of white-noise from de-intenting the "else" case of an if/else), factor out wrap_path from sources/more/record-commands.sh, fix the "build host tools first, then wrap it afterwards" case.
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114 # remove the old ones.
792
b364ed2adf49 Fedora 11 hasn't got "which", so move the busybox build up and the host toolchain symlinks down to the end. Make sure toybox patch replaces busybox patch, and host toolchain ar replaces busybox ar.
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115
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116 PATH="$(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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parents: 301
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117
711
20ba34b54140 Rename mini-native.sh to root-filesystem.sh, since that's what it builds.
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118 # This is optionally used by root-filesystem to accelerate native builds when
20ba34b54140 Rename mini-native.sh to root-filesystem.sh, since that's what it builds.
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119 # 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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120 # the cross compiler, but it needs to be on the host system in order to
a791ca629d9c Upgrade to toybox-0.0.5 and linux-2.6.25-rc7. Remove use of perl in the kernel
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121 # 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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122
571
f07d714321fe Fix a couple brown paper bag bugs (oops) and general cleanups.
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123 # Note that this one we can use off of the host, it's used on the host where
f07d714321fe Fix a couple brown paper bag bugs (oops) and general cleanups.
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124 # the system image runs. The build doesn't actually use it, we only bother
f07d714321fe Fix a couple brown paper bag bugs (oops) and general cleanups.
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125 # to build it at all here as a convenience for run-from-build.sh.
f07d714321fe Fix a couple brown paper bag bugs (oops) and general cleanups.
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126
318
b3cf2e4b74f0 Patch from Andre Ruiz to fix host-tools rebuild check. (If busybox is already
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127 # Build distcc (if it's not in $PATH)
609
3c30ce98c273 And genext2fs could suffer the same symlink loop problem with RECORD_COMMANDS, so don't symlink. (The point of host-tools.sh is to build what we can from source anyway, linking to anything but the host toolchain defeats the purpose.)
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128 if [ -z "$(which distccd)" ]
277
ffef8c1fe240 Build distcc on host if it's not already installed.
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diff changeset
129 then
571
f07d714321fe Fix a couple brown paper bag bugs (oops) and general cleanups.
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130 setupfor distcc &&
624
7641e1038cb6 The new distcc is dumb enough to use -Werror by default. Make it stop.
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131 ./configure --with-included-popt --disable-Werror &&
571
f07d714321fe Fix a couple brown paper bag bugs (oops) and general cleanups.
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132 make -j "$CPUS" &&
815
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133 cp distcc distccd "${STAGE_DIR}"
277
ffef8c1fe240 Build distcc on host if it's not already installed.
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diff changeset
134
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135 cleanup
277
ffef8c1fe240 Build distcc on host if it's not already installed.
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diff changeset
136 fi
ffef8c1fe240 Build distcc on host if it's not already installed.
Rob Landley <rob@landley.net>
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diff changeset
137
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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138 # 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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diff changeset
139 # in system-image.sh.
508
909a4921273d Move genext2fs build to host-tools, remove dead code, add comments.
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140
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 $CROSS, and system-image.sh was using SYSIMAGE.)
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141 if [ ! -f "${STAGE_DIR}"/genext2fs ]
508
909a4921273d Move genext2fs build to host-tools, remove dead code, add comments.
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diff changeset
142 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.)
Rob Landley <rob@landley.net>
parents: 608
diff changeset
143 setupfor genext2fs &&
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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parents: 608
diff changeset
144 ./configure &&
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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parents: 608
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145 make -j $CPUS &&
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146 cp genext2fs "${STAGE_DIR}"
508
909a4921273d Move genext2fs build to host-tools, remove dead code, add comments.
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diff changeset
147
815
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diff changeset
148 cleanup
508
909a4921273d Move genext2fs build to host-tools, remove dead code, add comments.
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diff changeset
149 fi
909a4921273d Move genext2fs build to host-tools, remove dead code, add comments.
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150
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
151 # Build e2fsprogs.
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152
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
153 # 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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parents: 625
diff changeset
154 # 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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parents: 625
diff changeset
155 # (which genext2fs isn't), and genext2fs doesn't have ext3 support anyway.
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
156
1001
c381381fa460 Comment tweak.
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diff changeset
157 # system-image.sh will also use resize2fs from this package if
c381381fa460 Comment tweak.
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parents: 932
diff changeset
158 # SYSIMAGE_TYPE=ext2 to expand the image to SYSIMAGE_HDA_MEGS, because
c381381fa460 Comment tweak.
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diff changeset
159 # genext2fs is unreasonably slow at creating large files. (It has a -b
c381381fa460 Comment tweak.
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diff changeset
160 # option that should do this... if you want your 8-way server with 32 gigs
c381381fa460 Comment tweak.
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parents: 932
diff changeset
161 # of ram to sit there and drool for over 10 minutes to create a 2 gig file
c381381fa460 Comment tweak.
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parents: 932
diff changeset
162 # that's mostly empty. Yeah: not doing that.)
c381381fa460 Comment tweak.
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parents: 932
diff changeset
163
1020
b9319aa31df8 Always make mke2fs, run-from-build.sh can't make hdb.img otherwise.
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parents: 1001
diff changeset
164 if [ ! -f "${STAGE_DIR}"/mke2fs ]
642
c92dc77da038 Since gene2fs can't produce large images in a reasonable amount of time, make a 64 meg image and resize it if necessary. (This means the minimum image size is 64 megs, because gene2fs won't run unless you specify a size, but it knows right away if the size you gave it wasn't big enough. I don't understand this either.)
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parents: 625
diff changeset
165 then
c92dc77da038 Since gene2fs can't produce large images in a reasonable amount of time, make a 64 meg image and resize it if necessary. (This means the minimum image size is 64 megs, because gene2fs won't run unless you specify a size, but it knows right away if the size you gave it wasn't big enough. I don't understand this either.)
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parents: 625
diff changeset
166 setupfor e2fsprogs &&
911
b69d7013e16e Fix e2fsprogs on uClibc build.
Rob Landley <rob@landley.net>
parents: 910
diff changeset
167 ./configure --disable-tls --disable-nls --enable-htree &&
642
c92dc77da038 Since gene2fs can't produce large images in a reasonable amount of time, make a 64 meg image and resize it if necessary. (This means the minimum image size is 64 megs, because gene2fs won't run unless you specify a size, but it knows right away if the size you gave it wasn't big enough. I don't understand this either.)
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parents: 625
diff changeset
168 make -j "$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 $CROSS, and system-image.sh was using SYSIMAGE.)
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parents: 796
diff changeset
169 cp misc/{mke2fs,tune2fs} resize/resize2fs "${STAGE_DIR}" &&
815
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.
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parents: 813
diff changeset
170 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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parents: 625
diff changeset
171
815
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.
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parents: 813
diff changeset
172 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.)
Rob Landley <rob@landley.net>
parents: 625
diff changeset
173 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.)
Rob Landley <rob@landley.net>
parents: 625
diff changeset
174
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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parents: 608
diff changeset
175 # Squashfs is an alternate packaging option.
301
309b574a5059 Redo the $CLEANUP logic to a cleanup function in include.sh (meaning if a
Rob Landley <rob@landley.net>
parents: 281
diff changeset
176
932
61e95d49f520 Have host-tools.sh only make e2fs or squashfs tools if we need them.
Rob Landley <rob@landley.net>
parents: 911
diff changeset
177 if [ ! -f "${STAGE_DIR}"/mksquashfs ] &&
61e95d49f520 Have host-tools.sh only make e2fs or squashfs tools if we need them.
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parents: 911
diff changeset
178 ([ -z "$SYSIMAGE_TYPE" ] || [ "$SYSIMAGE_TYPE" == squashfs ])
648
a72f7f70c003 Now that the 2.6.29 kernel is out with squashfs, add squashfs to host-tools.sh and system-image.sh.
Rob Landley <rob@landley.net>
parents: 642
diff changeset
179 then
1024
0fd90ff771dc Build zlib for squashfs, so we don't depend on the host having it.
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parents: 1020
diff changeset
180 setupfor zlib &&
0fd90ff771dc Build zlib for squashfs, so we don't depend on the host having it.
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diff changeset
181 ./configure &&
0fd90ff771dc Build zlib for squashfs, so we don't depend on the host having it.
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diff changeset
182 make -j $CPUS &&
0fd90ff771dc Build zlib for squashfs, so we don't depend on the host having it.
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parents: 1020
diff changeset
183 mv z*.h libz.a ..
0fd90ff771dc Build zlib for squashfs, so we don't depend on the host having it.
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parents: 1020
diff changeset
184
0fd90ff771dc Build zlib for squashfs, so we don't depend on the host having it.
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parents: 1020
diff changeset
185 cleanup
0fd90ff771dc Build zlib for squashfs, so we don't depend on the host having it.
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parents: 1020
diff changeset
186
648
a72f7f70c003 Now that the 2.6.29 kernel is out with squashfs, add squashfs to host-tools.sh and system-image.sh.
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parents: 642
diff changeset
187 setupfor squashfs &&
a72f7f70c003 Now that the 2.6.29 kernel is out with squashfs, add squashfs to host-tools.sh and system-image.sh.
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parents: 642
diff changeset
188 cd squashfs-tools &&
1024
0fd90ff771dc Build zlib for squashfs, so we don't depend on the host having it.
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parents: 1020
diff changeset
189 CC="$CC -I ../.. -L ../.." make -j $CPUS &&
0fd90ff771dc Build zlib for squashfs, so we don't depend on the host having it.
Rob Landley <rob@landley.net>
parents: 1020
diff changeset
190 cp mksquashfs unsquashfs "${STAGE_DIR}" &&
0fd90ff771dc Build zlib for squashfs, so we don't depend on the host having it.
Rob Landley <rob@landley.net>
parents: 1020
diff changeset
191 rm ../../{z*.h,libz.a}
648
a72f7f70c003 Now that the 2.6.29 kernel is out with squashfs, add squashfs to host-tools.sh and system-image.sh.
Rob Landley <rob@landley.net>
parents: 642
diff changeset
192
815
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
diff changeset
193 cleanup
648
a72f7f70c003 Now that the 2.6.29 kernel is out with squashfs, add squashfs to host-tools.sh and system-image.sh.
Rob Landley <rob@landley.net>
parents: 642
diff changeset
194 fi
108
b66d638a3844 Build User Mode Linux and have that do the ext2 packaging (for now, anyway).
Rob Landley <rob@landley.net>
parents: 99
diff changeset
195
93
153ba1a0b427 Break out the qemu build (and squashfs) into something easy to comment out,
Rob Landley <rob@landley.net>
parents:
diff changeset
196 echo -e "\e[32mHost tools build complete.\e[0m"