Mercurial > hg > aboriginal
view sources/sections/binutils-gcc.sh @ 842:dee27a32b160
Fix static toolchain wrapping so distcc works with them too.
author | Rob Landley <rob@landley.net> |
---|---|
date | Sat, 10 Oct 2009 12:08:59 -0500 |
parents | fc498452494a |
children | 96afbdffbf97 |
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# Build binutils, c wrapper, and uClibc++ # Build binutils, which provides the linker and assembler and such. # PROGRAM_PREFIX affects the name of the generated tools, ala "${ARCH}-". setupfor binutils # The binutils ./configure stage is _really_stupid_, and we need to define # lots of environment variables to make it behave. function configure_binutils() { "$CURSRC/configure" --prefix="$STAGE_DIR" \ --build="$CROSS_HOST" --host="$FROM_HOST" --target="$CROSS_TARGET" \ --disable-nls --disable-shared --disable-multilib --disable-werror \ --with-lib-path=lib --program-prefix="$PROGRAM_PREFIX" $BINUTILS_FLAGS [ $? -ne 0 ] && dienow } if [ -z "$FROM_ARCH" ] then # Create a simple cross compiler, from this host to target $ARCH. # This has no prerequisites. # The binutils ./configure stage is _really_stupid_. Define lots of # environment variables to make it behave. AR=ar AS=as LD=ld NM=nm OBJDUMP=objdump OBJCOPY=objcopy configure_binutils else # Canadian cross for an arbitrary host/target. The new compiler will run # on $FROM_ARCH as its host, and build executables for $ARCH as its target. # (Use host==target to produce a native compiler.) Doing this requires # existing host ($FROM_ARCH) _and_ target ($ARCH) cross compilers as # prerequisites. AR="${FROM_ARCH}-ar" CC="${FROM_ARCH}-cc" configure_binutils fi # Now that it's configured, build and install binutils make -j $CPUS configure-host && make -j $CPUS CFLAGS="-O2 $STATIC_FLAGS" && make -j $CPUS install && mkdir -p "$STAGE_DIR/include" && cp "$CURSRC/include/libiberty.h" "$STAGE_DIR/include" cleanup build-binutils # Force gcc to build, largely against its will. setupfor gcc-core build-gcc setupfor gcc-g++ build-gcc gcc-core # GCC tries to "help out in the kitchen" by screwing up the kernel include # files. Surgery with sed to cut out that horrible idea throw it away. sed -i 's@^STMP_FIX.*@@' "${CURSRC}/gcc/Makefile.in" || dienow # The gcc ./configure manages to make the binutils one look sane. Again, # wrap it so we can call it with different variables to beat sense out of it. function configure_gcc() { "$CURSRC/configure" --target="$CROSS_TARGET" --prefix="$STAGE_DIR" \ --disable-multilib --disable-nls --enable-c99 --enable-long-long \ --enable-__cxa_atexit --enable-languages=c,c++ --disable-libstdcxx-pch \ --program-prefix="$PROGRAM_PREFIX" "$@" $GCC_FLAGS && mkdir -p gcc && ln -s `which ${CC_FOR_TARGET:-cc}` gcc/xgcc || dienow } if [ -z "$FROM_ARCH" ] then # Produce a standard host->target cross compiler, which does not include # thread support or libgcc_s.so to make it depend on the host less. # The only prerequisite for this is binutils, above. (It doesn't even # require a C library for the target to exist yet, which is good because you # have a chicken and egg problem otherwise. What would you have compiled # that C library _with_?) AR_FOR_TARGET="${ARCH}-ar" configure_gcc \ --disable-threads --disable-shared --host="$CROSS_HOST" else # Canadian cross a compiler to run on $FROM_ARCH as its host and output # binaries for $ARCH as its target. # GCC has some deep assumptions here, which are wrong. Lots of redundant # corrections are required to make it stop. CC="${FROM_ARCH}-cc" AR="${FROM_ARCH}-ar" AS="${FROM_ARCH}-as" \ LD="${FROM_ARCH}-ld" NM="${FROM_ARCH}-nm" \ CC_FOR_TARGET="${ARCH}-cc" AR_FOR_TARGET="${ARCH}-ar" \ NM_FOR_TARGET="${ARCH}-nm" GCC_FOR_TARGET="${ARCH}-cc" \ AS_FOR_TARGET="${ARCH}-as" LD_FOR_TARGET="${ARCH}-ld" \ CXX_FOR_TARGET="${ARCH}-c++" \ ac_cv_path_AR_FOR_TARGET="${ARCH}-ar" \ ac_cv_path_RANLIB_FOR_TARGET="${ARCH}-ranlib" \ ac_cv_path_NM_FOR_TARGET="${ARCH}-nm" \ ac_cv_path_AS_FOR_TARGET="${ARCH}-as" \ ac_cv_path_LD_FOR_TARGET="${ARCH}-ld" \ configure_gcc --enable-threads=posix --enable-shared \ --build="$CROSS_HOST" --host="$CROSS_TARGET" fi # Now that it's configured, build and install gcc make -j $CPUS configure-host && make -j $CPUS all-gcc LDFLAGS="$STATIC_FLAGS" && # Work around gcc bug; we disabled multilib but it doesn't always notice. ln -s lib "$STAGE_DIR/lib64" && make -j $CPUS install-gcc && rm "$STAGE_DIR/lib64" && ln -s "${PROGRAM_PREFIX}gcc" "$STAGE_DIR/bin/${PROGRAM_PREFIX}cc" || dienow # Now we need to beat libsupc++ out of gcc (which uClibc++ needs to build). # But don't want to build the whole of libstdc++-v3 because # A) we're using uClibc++ instead, B) the build breaks. if [ ! -z "$FROM_ARCH" ] then # The libsupc++ ./configure dies if run after the simple cross compiling # ./configure, because gcc's build system is overcomplicated crap. So # skip the uClibc++ build first time around. We still build C++ support # in gcc because we need it to canadian cross build uClibc++ later. make -j $CPUS configure-target-libstdc++-v3 && cd "$CROSS_TARGET"/libstdc++-v3/libsupc++ && make -j $CPUS && mv .libs/libsupc++.a "$STAGE_DIR"/lib || dienow fi # We're done with that source and could theoretically cleanup gcc-core and # build-gcc here, but we still need the timestamps if we do binary package # tarballs. function build_ccwrap() { # build and install gcc wrapper script. TEMP="${FROM_ARCH}-cc" [ -z "$FROM_ARCH" ] && TEMP="$CC" mv "$STAGE_DIR/bin/${PROGRAM_PREFIX}"{gcc,rawgcc} && "$TEMP" "$SOURCES/toys/ccwrap.c" -Os -s \ -o "$STAGE_DIR/bin/${PROGRAM_PREFIX}gcc" "$@" $STATIC_FLAGS \ -DGCC_UNWRAPPED_NAME='"'"${PROGRAM_PREFIX}rawgcc"'"' && # Move the gcc internal libraries and headers somewhere sane mkdir -p "$STAGE_DIR"/gcc && mv "$STAGE_DIR"/lib/gcc/*/*/include "$STAGE_DIR"/gcc/include && mv "$STAGE_DIR"/lib/gcc/*/* "$STAGE_DIR"/gcc/lib && # Rub gcc's nose in the binutils output. (It's RIGHT THERE! Find it!) cd "$STAGE_DIR"/libexec/gcc/*/*/ && cp -s "../../../../$CROSS_TARGET/bin/"* . && ln -s ${CROSS_TARGET} ${STAGE_DIR}/tools && ln -sf ../../../../tools/bin/ld ${STAGE_DIR}/libexec/gcc/*/*/collect2 || dienow # These are allowed to fail, there for static toolchains that don't make 'em. ln -s ../../bin/${PROGRAM_PREFIX}-rawgcc gcc 2>/dev/null ln -s ../../bin/${PROGRAM_PREFIX}-rawgcc cc 2>/dev/null ln -s ../../bin/${PROGRAM_PREFIX}-rawg++ g++ 2>/dev/null ln -s ../../bin/${PROGRAM_PREFIX}-rawg++ c++ 2>/dev/null # Wrap C++ too. mv "$STAGE_DIR/bin/${PROGRAM_PREFIX}"{g++,rawg++} && rm "$STAGE_DIR/bin/${PROGRAM_PREFIX}c++" && ln -s "$STAGE_DIR/bin/${PROGRAM_PREFIX}"{rawg++,rawc++} && ln -s "$STAGE_DIR/bin/${PROGRAM_PREFIX}"{gcc,g++} && ln -s "$STAGE_DIR/bin/${PROGRAM_PREFIX}"{gcc,c++} || dienow } if [ -z "$FROM_ARCH" ] then build_ccwrap else build_ccwrap -DGIMME_AN_S fi mv "$WORK"/{gcc-core,gcc} PACKAGE=gcc cleanup build-gcc "${STAGE_DIR}"/{lib/gcc,{libexec/gcc,gcc/lib}/install-tools,bin/${ARCH}-unknown-*}