Mercurial > hg > aboriginal
view host-tools.sh @ 514:8d2b9cd1a52e
build-all-target.sh needs toybox netcat to pass data into/out of qemu, so host-tools.sh should install that too.
author | Rob Landley <rob@landley.net> |
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date | Tue, 02 Dec 2008 02:09:11 -0600 |
parents | 909a4921273d |
children | f07d714321fe |
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#!/bin/bash # Get lots of predefined environment variables and shell functions. # Tell bash not to cache the $PATH to anything, so busybox/toybox utilities # get used immediately even if a different executable was found last lookup. set +h NO_ARCH=1 source sources/include.sh echo -e "$HOST_COLOR" echo "=== Building host tools" export LC_ALL=C mkdir -p "${HOSTTOOLS}" || dienow # If we want to record the host command lines, so we know exactly what commands # the build uses. if [ ! -z "$RECORD_COMMANDS" ] && [ ! -f "$BUILD/wrapdir/wrappy" ] then echo setup wrapdir # Build the wrapper and install it into build/wrapdir/wrappy rm -rf "$BUILD/wrapdir" mkdir "$BUILD/wrapdir" && $CC -Os "$SOURCES/toys/wrappy.c" -o "$BUILD/wrapdir/wrappy" || dienow # Loop through each $PATH element and create a symlink to the wrapper with # that name. for i in $(echo $PATH | sed 's/:/ /g') do for j in $(ls $i) do ln -s wrappy "$BUILD/wrapdir/$j" done done # Adjust things to use wrapper directory export WRAPPY_REALPATH="$PATH" PATH="$BUILD/wrapdir" # If we're not recording the host command lines, then populate a directory # with host versions of all the command line utilities we're going to install # into mini-native. When we're done, PATH can be set to include just this # directory and nothing else. # This serves three purposes: # # 1) Enumerate exactly what we need to build the system, so we can make sure # mini-native has everything it needs to rebuild us. If anything is missing # from this list, the resulting mini-native probably won't have it either, # so it's nice to know as early as possible that we actually needed it. # # 2) Quick smoke test that the versions of the tools we're using can compile # everything from source correctly, and thus mini-native should be able to # rebuild from source using those same tools. # # 3) Reduce variation from distro to distro. The build always uses the # same command line utilities no matter where we're running, because we # provide our own. else # Start by creating symlinks to the host toolchain, since we need to use # that to build anything else. We build a cross compiler, and a native # compiler for the target, but we don't build a host toolchain. We use the # one that's already there. for i in ar as nm cc gcc make ld do [ ! -f "${HOSTTOOLS}/$i" ] && (ln -s `which $i` "${HOSTTOOLS}/$i" || dienow) done # Build toybox if [ ! -f "${HOSTTOOLS}/toybox" ] then setupfor toybox && make defconfig && make || dienow if [ -z "$USE_TOYBOX" ] then mv toybox "$HOSTTOOLS" && ln -s toybox "$HOSTTOOLS"/patch && ln -s toybox "$HOSTTOOLS"/netcat || dienow else make install_flat PREFIX="${HOSTTOOLS}" || dienow fi cd .. cleanup toybox fi # Build busybox # Yes this is an old version of busybox. (It's the last version I released # as busybox maintainer.) We're gradually replacing busybox with toybox, one # command at a time. if [ ! -f "${HOSTTOOLS}/busybox" ] then setupfor busybox && make allyesconfig KCONFIG_ALLCONFIG="${SOURCES}/trimconfig-busybox" && make -j $CPUS && make busybox.links && cp busybox "${HOSTTOOLS}" [ $? -ne 0 ] && dienow for i in $(sed 's@.*/@@' busybox.links) do ln -s busybox "${HOSTTOOLS}"/$i # || dienow done cd .. cleanup busybox fi fi # This is optionally used by mini-native to accelerate native builds when # running under qemu. It's not used to build mini-native, or to build # the cross compiler, but it needs to be on the host system in order to # use the distcc acceleration trick. # Build distcc (if it's not in $PATH) if [ ! -f "${HOSTTOOLS}"/distccd ] then if [ -z "$(which distccd)" ] then setupfor distcc && ./configure --with-included-popt && make -j "$CPUS" && cp distcc distccd "${HOSTTOOLS}" && cd .. cleanup distcc else ln -s "$(which distccd)" "${HOSTTOOLS}"/distccd fi fi # If the host system hasn't got genext2fs, build it. We use it to build the # ext2 image to boot qemu with in package-mini-native.sh. if [ -z "$(which genext2fs)" ] then setupfor genext2fs && ./configure && make -j $CPUS && cp genext2fs "${HOSTTOOLS}" && cd .. cleanup genext2fs fi # Everything after here is stuff we _could_ build, but currently don't. # Build squashfs #setupfor squashfs #cd squashfs-tools && #make && #cp mksquashfs unsquashfs "${HOSTTOOLS}" && #cd .. # #cleanup squashfs if [ ! -z "$RECORD_COMMANDS" ] then # Add the host tools we just built to wrapdir for j in $(ls "$HOSTTOOLS") do ln -s wrappy "$BUILD/wrapdir/$j" done fi echo -e "\e[32mHost tools build complete.\e[0m"