diff options
Diffstat (limited to 'build_gcc')
-rwxr-xr-x | build_gcc | 375 |
1 files changed, 375 insertions, 0 deletions
diff --git a/build_gcc b/build_gcc new file mode 100755 index 00000000000..13db39b8010 --- /dev/null +++ b/build_gcc @@ -0,0 +1,375 @@ +#!/bin/sh +# APPLE LOCAL file B&I + +set -x + +# -arch arguments are different than configure arguments. We need to +# translate them. + +TRANSLATE_ARCH="sed -e s/ppc/powerpc/ -e s/i386/i686/" + +# Build GCC the "Apple way". +# Parameters: + +# The first parameter is a space-separated list of the architectures +# the compilers will run on. For instance, "ppc i386". If the +# current machine isn't in the list, it will (effectively) be added. +HOSTS=`echo $1 | $TRANSLATE_ARCH ` + +# The second parameter is a space-separated list of the architectures the +# compilers will generate code for. If the current machine isn't in +# the list, a compiler for it will get built anyway, but won't be +# installed. +TARGETS=`echo $2 | $TRANSLATE_ARCH` + +# The GNU makefile target ('bootstrap' by default). +BOOTSTRAP=${BOOTSTRAP-bootstrap} + +# The B&I build srcript (~rc/bin/buildit) accepts an '-othercflags' +# command-line flag, and captures the argument to that flag in +# $RC_NONARCH_CFLAGS (and mysteriously prepends '-pipe' thereto). +# We will allow this to override the default $CFLAGS and $CXXFLAGS. + +CFLAGS=${RC_NONARCH_CFLAGS/-pipe/} +CFLAGS=${CFLAGS:-"-g -O2"} + +# This isn't a parameter; it is the architecture of the current machine. +BUILD=`arch | $TRANSLATE_ARCH` + +# The third parameter is the path to the compiler sources. There should +# be a shell script named 'configure' in this directory. This script +# makes a copy... +ORIG_SRC_DIR="$3" + +# The fourth parameter is the location where the compiler will be installed, +# normally "/usr". You can move it once it's built, so this mostly controls +# the layout of $DEST_DIR. +DEST_ROOT="$4" + +# The fifth parameter is the place where the compiler will be copied once +# it's built. +DEST_DIR="$5" + +# The sixth parameter is a directory in which to place information (like +# unstripped executables and generated source files) helpful in debugging +# the resulting compiler. +SYM_DIR="$6" + +# The current working directory is where the build will happen. +# It may already contain a partial result of an interrupted build, +# in which case this script will continue where it left off. +DIR=`pwd` + +# This isn't a parameter; it's the version of the compiler that we're +# about to build. It's included in the names of various files and +# directories in the installed image. +VERS=`sed -n -e '/version_string/s/.*\"\([^ \"]*\)[ \"].*/\1/p' \ + < $ORIG_SRC_DIR/gcc/version.c || exit 1` + +# This isn't a parameter either, it's the major version of the compiler +# to be built. It's VERS but only up to the second '.' (if there is one). +MAJ_VERS=`echo $VERS | sed 's/\([0-9]*\.[0-9]*\)\..*/\1/'` + +######################################## +# Run the build. + +# Create the source tree we'll actually use to build, deleting +# tcl since it doesn't actually build properly in a cross environment +# and we don't really need it. +SRC_DIR=$DIR/src +rm -rf $SRC_DIR || exit 1 +mkdir $SRC_DIR || exit 1 +ln -s $ORIG_SRC_DIR/* $SRC_DIR/ || exit 1 +rm -rf $SRC_DIR/tcl $SRC_DIR/expect $SRC_DIR/dejagnu || exit 1 + +# These are the configure and build flags that are used. +CONFIGFLAGS="--disable-checking \ + --prefix=$DEST_ROOT \ + --disable-libmudflap \ + --mandir=\${prefix}/share/man \ + --enable-languages=c,objc,c++ --disable-libada \ + --program-transform-name=/^[cg][^+.-]*$/s/$/-$MAJ_VERS/ \ + --with-gxx-include-dir=\${prefix}/include/gcc/darwin/$MAJ_VERS/c++ \ + --build=$BUILD-apple-darwin" + +# Figure out how many make processes to run. +SYSCTL=`sysctl -n hw.activecpu` + +# hw.activecpu only available in 10.2.6 and later +if [ -z "$SYSCTL" ]; then + SYSCTL=`sysctl -n hw.ncpu` +fi + +# sysctl -n hw.* does not work when invoked via B&I chroot /BuildRoot. +# Builders can default to 2, since even if they are single processor, +# nothing else is running on the machine. +if [ -z "$SYSCTL" ]; then + SYSCTL=2 +fi + +# The $LOCAL_MAKEFLAGS variable can be used to override $MAKEFLAGS. +MAKEFLAGS=${LOCAL_MAKEFLAGS-"-j $SYSCTL"} + +# Build the native GCC. Do this even if the user didn't ask for it +# because it'll be needed for the bootstrap. +mkdir -p $DIR/obj-$BUILD-$BUILD $DIR/dst-$BUILD-$BUILD || exit 1 +cd $DIR/obj-$BUILD-$BUILD || exit 1 +if [ \! -f $DIR/$BUILD-configured ] ; then + $SRC_DIR/configure $CONFIGFLAGS \ + --host=$BUILD-apple-darwin --target=$BUILD-apple-darwin || exit 1 + touch $DIR/$BUILD-configured || exit 1 +fi +make $MAKEFLAGS $BOOTSTRAP CFLAGS="$CFLAGS" CXXFLAGS="$CFLAGS" || exit 1 +make $MAKEFLAGS DESTDIR=$DIR/dst-$BUILD-$BUILD install-gcc install-target \ + CFLAGS="$CFLAGS" CXXFLAGS="$CFLAGS" || exit 1 + +# Add the compiler we just built to the path, giving it appropriate names. +D=$DIR/dst-$BUILD-$BUILD/usr/bin +ln -f $D/gcc-$MAJ_VERS $D/gcc || exit 1 +ln -f $D/gcc $D/$BUILD-apple-darwin-gcc || exit 1 +PATH=$DIR/dst-$BUILD-$BUILD/usr/bin:$PATH + +# The cross-tools' build process expects to find certain programs +# under names like 'i386-apple-darwin-ar'; so make them. +# Annoyingly, ranlib changes behaviour depending on what you call it, +# so we have to use a shell script for indirection, grrr. +rm -rf $DIR/bin || exit 1 +mkdir $DIR/bin || exit 1 +for prog in ar nm ranlib ; do + for t in `echo $TARGETS $HOSTS | sort -u`; do + P=$DIR/bin/${t}-apple-darwin-${prog} + echo '#!/bin/sh' > $P || exit 1 + echo 'exec /usr/bin/'${prog}' $*' >> $P || exit 1 + chmod a+x $P || exit 1 + done +done +PATH=$DIR/bin:$PATH + +# Build the cross-compilers, using the compiler we just built. +for t in $TARGETS ; do + if [ $t != $BUILD ] ; then + mkdir -p $DIR/obj-$BUILD-$t $DIR/dst-$BUILD-$t || exit 1 + cd $DIR/obj-$BUILD-$t || exit 1 + $SRC_DIR/configure $CONFIGFLAGS \ + --program-prefix=$t-apple-darwin- \ + --host=$BUILD-apple-darwin --target=$t-apple-darwin || exit 1 + make $MAKEFLAGS all CFLAGS="$CFLAGS" CXXFLAGS="$CFLAGS" || exit 1 + make $MAKEFLAGS DESTDIR=$DIR/dst-$BUILD-$t install-gcc install-target \ + CFLAGS="$CFLAGS" CXXFLAGS="$CFLAGS" || exit 1 + + # Add the compiler we just built to the path. + PATH=$DIR/dst-$BUILD-$t/usr/bin:$PATH + fi +done + +# Rearrange various libraries, for no really good reason. +for t in $TARGETS ; do + DT=$DIR/dst-$BUILD-$t + D=`echo $DT/usr/lib/gcc/$t-apple-darwin/$VERS` + if [ $t == $BUILD ] ; then + mv $DT/usr/lib/libstdc++.a $D || exit 1 + mv $DT/usr/lib/libsupc++.a $D || exit 1 + else + DD=$DT/usr/${t}-apple-darwin/lib + mv $DD/libstdc++.a $D || exit 1 + mv $DD/libsupc++.a $D || exit 1 + fi + mv $D/static/libgcc.a $D/libgcc_static.a || exit 1 + mv $D/kext/libgcc.a $D/libcc_kext.a || exit 1 + rm -r $D/static $D/kext || exit 1 +done + +# Build the cross-hosted compilers. +for h in $HOSTS ; do + if [ $h != $BUILD ] ; then + for t in $TARGETS ; do + mkdir -p $DIR/obj-$h-$t $DIR/dst-$h-$t || exit 1 + cd $DIR/obj-$h-$t || exit 1 + if [ $h = $t ] ; then + pp= + else + pp=$t-apple-darwin- + fi + + $SRC_DIR/configure $CONFIGFLAGS \ + --program-prefix=$pp \ + --host=$h-apple-darwin --target=$t-apple-darwin || exit 1 + make $MAKEFLAGS all-gcc CFLAGS="$CFLAGS" CXXFLAGS="$CFLAGS" || exit 1 + make $MAKEFLAGS DESTDIR=$DIR/dst-$h-$t install-gcc \ + CFLAGS="$CFLAGS" CXXFLAGS="$CFLAGS" || exit 1 + done + fi +done + +######################################## +# Construct the actual destination root, by copying stuff from +# $DIR/dst-* to $DEST_DIR, with occasional 'lipo' commands. + +cd $DEST_DIR || exit 1 + +# Clean out DEST_DIR in case -noclean was passed to buildit. +rm -rf * || exit 1 + +# HTML documentation +HTMLDIR=/Developer/Documentation/DeveloperTools +mkdir -p .$HTMLDIR || exit 1 +cp -rp $DIR/obj-$BUILD-$BUILD/gcc/doc/HTML/* .$HTMLDIR/ || exit 1 + +# Manual pages +mkdir -p .$DEST_ROOT/share || exit 1 +cp -rp $DIR/dst-$BUILD-$BUILD$DEST_ROOT/share/man .$DEST_ROOT/share/ \ + || exit 1 + +# libexec +LIBEXEC_FILES=` \ + ls $DIR/dst-$BUILD-$BUILD$DEST_ROOT/libexec/gcc/$BUILD-apple-darwin/$VERS \ + | grep -v install-tools || exit 1` +for t in $TARGETS ; do + DL=$DEST_ROOT/libexec/gcc/$t-apple-darwin/$VERS + mkdir -p .$DL || exit 1 + for f in $LIBEXEC_FILES ; do + lipo -output .$DL/$f -create $DIR/dst-*-$t$DL/$f || exit 1 + done +done + +# bin +# The native drivers ('native' is different in different architectures). +BIN_FILES=`ls $DIR/dst-$BUILD-$BUILD$DEST_ROOT/bin | grep '^[^-]*-[0-9.]*$' \ + | grep -v gccbug | grep -v gcov || exit 1` +mkdir .$DEST_ROOT/bin +for f in $BIN_FILES ; do + lipo -output .$DEST_ROOT/bin/$f -create $DIR/dst-*$DEST_ROOT/bin/$f || exit 1 +done +# gcov, which is special only because it gets built multiple times and lipo +# will complain if we try to add two architectures into the same output. +TARG0=`echo $TARGETS | cut -d ' ' -f 1` +lipo -output .$DEST_ROOT/bin/gcov-$MAJ_VERS -create \ + $DIR/dst-*-$TARG0$DEST_ROOT/bin/gcov-$MAJ_VERS || exit 1 +# The fully-named drivers, which have the same target on every host. +for t in $TARGETS ; do + lipo -output .$DEST_ROOT/bin/$t-apple-darwin-gcc-$VERS -create \ + $DIR/dst-*-$t$DEST_ROOT/bin/$t-apple-darwin-gcc || exit 1 + lipo -output .$DEST_ROOT/bin/$t-apple-darwin-g++-$VERS -create \ + $DIR/dst-*-$t$DEST_ROOT/bin/$t-apple-darwin-g++ || exit 1 +done + +# lib +mkdir -p .$DEST_ROOT/lib/gcc || exit 1 +for t in $TARGETS ; do + cp -rp $DIR/dst-$BUILD-$t$DEST_ROOT/lib/gcc/$t-apple-darwin \ + .$DEST_ROOT/lib/gcc || exit 1 +done +SHARED_LIBS=`ls $DIR/dst-$BUILD-$BUILD$DEST_ROOT/lib | grep '\.dylib$'` +for l in $SHARED_LIBS ; do + F=$DIR/dst-$BUILD-$BUILD$DEST_ROOT/lib/$l + if [ \! -L $F ] ; then + if [ -f $DIR/dst-$BUILD-*$DEST_ROOT/*-apple-darwin/lib/$l ] ; then + lipo -output .$DEST_ROOT/lib/$l -create $F \ + $DIR/dst-$BUILD-*$DEST_ROOT/*-apple-darwin/lib/$l || exit 1 + else + cp -p $F .$DEST_ROOT/lib/$l || exit 1 + fi + F1=`echo $l \ + | sed 's/\(\.[0-9]\{1,\}\)\(\.[0-9]\{1,\}\)\{1,\}\.dylib/\1.dylib/'` + F0=`echo $l | sed 's/\(\.[0-9]\{1,\}\)\{1,\}\.dylib/.dylib/'` + ln -s $l .$DEST_ROOT/lib/$F1 || exit 1 + for t in $TARGETS ; do + ln -s ../../../$F1 .$DEST_ROOT/lib/gcc/$t-apple-darwin/$VERS/$F0 \ + || exit 1 + done + fi +done + +# FIXME +# This is a workaround for gcc_select, pending approval of a patch that +# makes it unnecessary. Radar 3538294. +mkdir -p .$DEST_ROOT/libexec/gcc/darwin/ppc/$MAJ_VERS +mkdir -p .$DEST_ROOT/lib/gcc/darwin/$MAJ_VERS + +# include +HEADERPATH=$DEST_ROOT/include/gcc/darwin/$MAJ_VERS +mkdir -p .$HEADERPATH || exit 1 +cp -rp $DIR/dst-$BUILD-$BUILD$HEADERPATH/c++ \ + .$HEADERPATH/ || exit 1 +for t in $TARGETS ; do + DS=$HEADERPATH/c++ + [ $t = $BUILD ] || \ + cp -rp $DIR/dst-$BUILD-$t$DS/$t-apple-darwin .$DS/ || exit 1 +done + +# Some headers are installed from more-hdrs/. They all share +# one common feature: they shouldn't be installed here. Sometimes, +# they should be part of FSF GCC and installed from there; sometimes, +# they should be installed by some completely different package; sometimes, +# they only exist for codewarrior compatibility and codewarrior should provide +# its own. +cd $SRC_DIR/more-hdrs +for h in `echo [^C]*` ; do + cp -r $h $DEST_DIR$HEADERPATH/$h || exit 1 + for t in $TARGETS ; do + THEADERPATH=$DEST_DIR$DEST_ROOT/lib/gcc/${t}-apple-darwin/$VERS/include + [ -f $THEADERPATH/$h ] || \ + ln -s ../../../../../include/gcc/darwin/$MAJ_VERS/$h $THEADERPATH/$h || \ + exit 1 + done +done + +# Build driver-driver using fully-named drivers +for t in $TARGETS ; do + $DEST_DIR$DEST_ROOT/bin/$t-apple-darwin-gcc-$VERS \ + $ORIG_SRC_DIR/gcc/config/darwin-driver.c \ + -DPDN="\"-apple-darwin-gcc-$VERS\"" \ + -DIL="\"$DEST_ROOT/bin/\"" -I $ORIG_SRC_DIR/include \ + -I $ORIG_SRC_DIR/gcc -I $ORIG_SRC_DIR/gcc/config \ + -liberty -L$DIR/dst-$BUILD-$t$DEST_ROOT/lib/ \ + -L$DIR/dst-$BUILD-$t$DEST_ROOT/$t-apple-darwin/lib/ \ + -o $DEST_DIR/$DEST_ROOT/bin/tmp-$t-gcc-$MAJ_VERS || exit 1 + + $DEST_DIR$DEST_ROOT/bin/$t-apple-darwin-gcc-$VERS \ + $ORIG_SRC_DIR/gcc/config/darwin-driver.c \ + -DPDN="\"-apple-darwin-g++-$VERS\"" \ + -DIL="\"$DEST_ROOT/bin/\"" -I $ORIG_SRC_DIR/include \ + -I $ORIG_SRC_DIR/gcc -I $ORIG_SRC_DIR/gcc/config \ + -liberty -L$DIR/dst-$BUILD-$t$DEST_ROOT/lib/ \ + -L$DIR/dst-$BUILD-$t$DEST_ROOT/$t-apple-darwin/lib/ \ + -o $DEST_DIR/$DEST_ROOT/bin/tmp-$t-g++-$MAJ_VERS || exit 1 +done + +lipo -output $DEST_DIR/$DEST_ROOT/bin/gcc-$MAJ_VERS -create \ + $DEST_DIR/$DEST_ROOT/bin/tmp-*-gcc-$MAJ_VERS || exit 1 + +lipo -output $DEST_DIR/$DEST_ROOT/bin/g++-$MAJ_VERS -create \ + $DEST_DIR/$DEST_ROOT/bin/tmp-*-g++-$MAJ_VERS || exit 1 + +ln $DEST_DIR/$DEST_ROOT/bin/g++-$MAJ_VERS $DEST_DIR/$DEST_ROOT/bin/c++-$MAJ_VERS || exit 1 + +rm $DEST_DIR/$DEST_ROOT/bin/tmp-*-gcc-$MAJ_VERS || exit 1 +rm $DEST_DIR/$DEST_ROOT/bin/tmp-*-g++-$MAJ_VERS || exit 1 + + +######################################## +# Save the source files and objects needed for debugging + +cd $SYM_DIR || exit 1 + +# Clean out SYM_DIR in case -noclean was passed to buildit. +rm -rf * || exit 1 + +# Save executables and libraries. +cd $DEST_DIR || exit 1 +find . \( -perm -0111 -or -name \*.a \) -type f -print \ + | cpio -pdml $SYM_DIR || exit 1 +# Save source files. +mkdir $SYM_DIR/src || exit 1 +cd $DIR || exit 1 +find obj-* -name \*.\[chy\] -print | cpio -pdml $SYM_DIR/src || exit 1 + +######################################## +# Strip the executables and libraries +find $DEST_DIR -perm -0111 \! -name \*.dylib -type f -print \ + | xargs strip || exit 1 +find $DEST_DIR \( -name \*.a -or -name \*.dylib \) -type f -print \ + | xargs strip -SX || exit 1 + +# Done! +exit 0 |