# This file adds the function to build the gcc C compiler # Copyright 2007 Yann E. MORIN # Licensed under the GPL v2. See COPYING in the root of this package do_print_filename() { [ "${CT_CC}" = "gcc" ] || return 0 echo "gcc-${CT_CC_VERSION}" } # Download gcc do_cc_get() { # Ah! gcc folks are kind of 'different': they store the tarballs in # subdirectories of the same name! That's because gcc is such /crap/ that # it is such /big/ that it needs being splitted for distribution! Sad. :-( # Arrgghh! Some of those versions does not follow this convention: # gcc-3.3.3 lives in releases/gcc-3.3.3, while gcc-2.95.* isn't in a # subdirectory! You bastard! CT_GetFile "${CT_CC_FILE}" \ {ftp,http}://ftp.gnu.org/gnu/gcc{,{,/releases}/${CT_CC_FILE}} } # Extract gcc do_cc_extract() { CT_ExtractAndPatch "${CT_CC_FILE}" } #------------------------------------------------------------------------------ # Core gcc pass 1 do_cc_core_pass_1() { # In case we're NPTL, build the static core gcc; # in any other case, do nothing. case "${CT_THREADS}" in nptl) do_cc_core_static;; esac } # Core gcc pass 2 do_cc_core_pass_2() { # In case we're NPTL, build the shared core gcc, # in any other case, build the static core gcc. case "${CT_THREADS}" in nptl) do_cc_core_shared;; *) do_cc_core_static;; esac } #------------------------------------------------------------------------------ # Build static core gcc do_cc_core_static() { mkdir -p "${CT_BUILD_DIR}/build-cc-core-static" cd "${CT_BUILD_DIR}/build-cc-core-static" CT_DoStep INFO "Installing static core C compiler" CT_DoLog EXTRA "Copying headers to install area of bootstrap gcc, so it can build libgcc2" mkdir -p "${CT_CC_CORE_STATIC_PREFIX_DIR}/${CT_TARGET}/include" cp -r "${CT_HEADERS_DIR}"/* "${CT_CC_CORE_STATIC_PREFIX_DIR}/${CT_TARGET}/include" 2>&1 |CT_DoLog DEBUG CT_DoLog EXTRA "Configuring static core C compiler" extra_config="${CT_ARCH_WITH_ARCH} ${CT_ARCH_WITH_ABI} ${CT_ARCH_WITH_CPU} ${CT_ARCH_WITH_TUNE} ${CT_ARCH_WITH_FPU} ${CT_ARCH_WITH_FLOAT}" [ "${CT_CC_CXA_ATEXIT}" = "y" ] && extra_config="${extra_config} --enable-__cxa_atexit" [ "${CT_CC_GCC_GMP_MPFR}" = "y" ] && extra_config="${extra_config} --with-gmp=${CT_PREFIX_DIR} --with-mpfr=${CT_PREFIX_DIR}" CT_DoLog DEBUG "Extra config passed: \"${extra_config}\"" # Use --with-local-prefix so older gccs don't look in /usr/local (http://gcc.gnu.org/PR10532) CC_FOR_BUILD="${CT_CC_NATIVE}" \ CFLAGS="${CT_CFLAGS_FOR_HOST}" \ "${CT_SRC_DIR}/${CT_CC_FILE}/configure" \ ${CT_CANADIAN_OPT} \ --host=${CT_HOST} \ --target=${CT_TARGET} \ --prefix="${CT_CC_CORE_STATIC_PREFIX_DIR}" \ --with-local-prefix="${CT_SYSROOT_DIR}" \ --disable-multilib \ --with-newlib \ ${CC_CORE_SYSROOT_ARG} \ ${extra_config} \ --disable-nls \ --enable-threads=no \ --enable-symvers=gnu \ --enable-languages=c \ --disable-shared \ --enable-target-optspace \ ${CT_CC_CORE_EXTRA_CONFIG} 2>&1 |CT_DoLog ALL if [ "${CT_CANADIAN}" = "y" ]; then CT_DoLog EXTRA "Building libiberty" make ${PARALLELMFLAGS} all-build-libiberty 2>&1 |CT_DoLog ALL fi CT_DoLog EXTRA "Building static core C compiler" make ${PARALLELMFLAGS} all-gcc 2>&1 |CT_DoLog ALL CT_DoLog EXTRA "Installing static core C compiler" make install-gcc 2>&1 |CT_DoLog ALL CT_EndStep } #------------------------------------------------------------------------------ # Build shared core gcc do_cc_core_shared() { mkdir -p "${CT_BUILD_DIR}/build-cc-core-shared" cd "${CT_BUILD_DIR}/build-cc-core-shared" CT_DoStep INFO "Installing shared core C compiler" CT_DoLog EXTRA "Copying headers to install area of bootstrap gcc, so it can build libgcc2" mkdir -p "${CT_CC_CORE_SHARED_PREFIX_DIR}/${CT_TARGET}/include" cp -r "${CT_HEADERS_DIR}"/* "${CT_CC_CORE_SHARED_PREFIX_DIR}/${CT_TARGET}/include" 2>&1 |CT_DoLog DEBUG CT_DoLog EXTRA "Configuring shared core C compiler" extra_config="${CT_ARCH_WITH_ARCH} ${CT_ARCH_WITH_ABI} ${CT_ARCH_WITH_CPU} ${CT_ARCH_WITH_TUNE} ${CT_ARCH_WITH_FPU} ${CT_ARCH_WITH_FLOAT}" [ "${CT_CC_CXA_ATEXIT}" = "y" ] && extra_config="${extra_config} --enable-__cxa_atexit" [ "${CT_CC_GCC_GMP_MPFR}" = "y" ] && extra_config="${extra_config} --with-gmp=${CT_PREFIX_DIR} --with-mpfr=${CT_PREFIX_DIR}" CT_DoLog DEBUG "Extra config passed: \"${extra_config}\"" CC_FOR_BUILD="${CT_CC_NATIVE}" \ CFLAGS="${CT_CFLAGS_FOR_HOST}" \ "${CT_SRC_DIR}/${CT_CC_FILE}/configure" \ ${CT_CANADIAN_OPT} \ --target=${CT_TARGET} \ --host=${CT_HOST} \ --prefix="${CT_CC_CORE_SHARED_PREFIX_DIR}" \ --with-local-prefix="${CT_SYSROOT_DIR}" \ --disable-multilib \ ${CC_CORE_SYSROOT_ARG} \ ${extra_config} \ --disable-nls \ --enable-symvers=gnu \ --enable-languages=c \ --enable-shared \ --enable-target-optspace \ ${CT_CC_CORE_EXTRA_CONFIG} 2>&1 |CT_DoLog ALL # HACK: we need to override SHLIB_LC from gcc/config/t-slibgcc-elf-ver or # gcc/config/t-libunwind so -lc is removed from the link for # libgcc_s.so, as we do not have a target -lc yet. # This is not as ugly as it appears to be ;-) All symbols get resolved # during the glibc build, and we provide a proper libgcc_s.so for the # cross toolchain during the final gcc build. # # As we cannot modify the source tree, nor override SHLIB_LC itself # during configure or make, we have to edit the resultant # gcc/libgcc.mk itself to remove -lc from the link. # This causes us to have to jump through some hoops... # # To produce libgcc.mk to edit we firstly require libiberty.a, # so we configure then build it. # Next we have to configure gcc, create libgcc.mk then edit it... # So much easier if we just edit the source tree, but hey... if [ ! -f "${CT_SRC_DIR}/${CT_CC_FILE}/gcc/BASE-VER" ]; then make configure-libiberty make -C libiberty libiberty.a make configure-gcc make configure-libcpp make all-libcpp else make configure-gcc make configure-libcpp make configure-build-libiberty make all-libcpp make all-build-libiberty fi 2>&1 |CT_DoLog ALL # HACK: gcc-4.2 uses libdecnumber to build libgcc.mk, so build it here. if [ -d "${CT_SRC_DIR}/${CT_CC_FILE}/libdecnumber" ]; then make configure-libdecnumber make -C libdecnumber libdecnumber.a fi 2>&1 |CT_DoLog ALL make -C gcc libgcc.mk 2>&1 |CT_DoLog ALL sed -r -i -e 's@-lc@@g' gcc/libgcc.mk if [ "${CT_CANADIAN}" = "y" ]; then CT_DoLog EXTRA "Building libiberty" make ${PARALLELMFLAGS} all-build-libiberty 2>&1 |CT_DoLog ALL fi CT_DoLog EXTRA "Building shared core C compiler" make ${PARALLELMFLAGS} all-gcc 2>&1 |CT_DoLog ALL CT_DoLog EXTRA "Installing shared core C compiler" make install-gcc 2>&1 |CT_DoLog ALL CT_EndStep } #------------------------------------------------------------------------------ # Build final gcc do_cc() { CT_DoStep INFO "Installing final compiler" mkdir -p "${CT_BUILD_DIR}/build-cc" cd "${CT_BUILD_DIR}/build-cc" CT_DoLog EXTRA "Configuring final compiler" # Enable selected languages lang_opt="c" [ "${CT_CC_LANG_CXX}" = "y" ] && lang_opt="${lang_opt},c++" [ "${CT_CC_LANG_FORTRAN}" = "y" ] && lang_opt="${lang_opt},fortran" [ "${CT_CC_LANG_ADA}" = "y" ] && lang_opt="${lang_opt},ada" [ "${CT_CC_LANG_JAVA}" = "y" ] && lang_opt="${lang_opt},java" [ "${CT_CC_LANG_OBJC}" = "y" ] && lang_opt="${lang_opt},objc" [ "${CT_CC_LANG_OBJCXX}" = "y" ] && lang_opt="${lang_opt},obj-c++" CT_Test "Building ADA language is not yet supported. Will try..." "${CT_CC_LANG_ADA}" = "y" CT_Test "Building Objective-C language is not yet supported. Will try..." "${CT_CC_LANG_OBJC}" = "y" CT_Test "Building Objective-C++ language is not yet supported. Will try..." "${CT_CC_LANG_OBJCXX}" = "y" CT_Test "Building ${CT_CC_LANG_OTHERS//,/ } language(s) is not yet supported. Will try..." -n "${CT_CC_LANG_OTHERS}" lang_opt=`echo "${lang_opt},${CT_CC_LANG_OTHERS}" |sed -r -e 's/,+/,/g; s/,*$//;'` extra_config="--enable-languages=${lang_opt}" extra_config="${extra_config} ${CT_ARCH_WITH_ARCH} ${CT_ARCH_WITH_ABI} ${CT_ARCH_WITH_CPU} ${CT_ARCH_WITH_TUNE} ${CT_ARCH_WITH_FPU} ${CT_ARCH_WITH_FLOAT}" [ "${CT_SHARED_LIBS}" = "y" ] || extra_config="${extra_config} --disable-shared" [ "${CT_CC_CXA_ATEXIT}" == "y" ] && extra_config="${extra_config} --enable-__cxa_atexit" if [ "${CT_TARGET_MULTILIB}" = "y" ]; then extra_config="${extra_config} --enable-multilib" else extra_config="${extra_config} --disable-multilib" fi [ "${CT_CC_GCC_GMP_MPFR}" = "y" ] && extra_config="${extra_config} --with-gmp=${CT_PREFIX_DIR} --with-mpfr=${CT_PREFIX_DIR}" CT_DoLog DEBUG "Extra config passed: \"${extra_config}\"" # --enable-symvers=gnu really only needed for sh4 to work around a # detection problem only matters for gcc-3.2.x and later, I think. # --disable-nls to work around crash bug on ppc405, but also because # embedded systems don't really need message catalogs... CC_FOR_BUILD="${CT_CC_NATIVE}" \ CFLAGS="${CT_CFLAGS_FOR_HOST}" \ TARGET_CFLAGS="${CT_TARGET_CFLAGS}" \ "${CT_SRC_DIR}/${CT_CC_FILE}/configure" \ ${CT_CANADIAN_OPT} \ --target=${CT_TARGET} --host=${CT_HOST} \ --prefix="${CT_PREFIX_DIR}" \ ${CC_SYSROOT_ARG} \ ${extra_config} \ --with-local-prefix="${CT_SYSROOT_DIR}" \ --disable-nls \ --enable-threads=posix \ --enable-symvers=gnu \ --enable-c99 \ --enable-long-long \ --enable-target-optspace \ ${CT_CC_EXTRA_CONFIG} 2>&1 |CT_DoLog ALL if [ "${CT_CANADIAN}" = "y" ]; then CT_DoLog EXTRA "Building libiberty" make ${PARALLELMFLAGS} all-build-libiberty 2>&1 |CT_DoLog ALL fi # Idea from : # Fix lib/lib64 confusion for GCC 3.3.3 on PowerPC64 and x86_64. # GCC 3.4.0 and up don't suffer from this confusion, and don't need this # kludge. # FIXME: we should patch gcc's source rather than uglify crosstool.sh. # FIXME: is this needed for gcc-3.3.[56]? case "${CT_CC_FILE}" in gcc-3.3.[34]) case "${CT_TARGET}" in powerpc64-unknown-linux-gnu|x86_64-unknown-linux-gnu) for d in `find "${CT_SYSROOT_DIR}" -name lib -type d -empty`; do if [ -d `dirname "${d}"`/lib64 ] ; then rm -rf "${d}" ln -s `dirname "${d}"`/lib64 "${d}" fi done ;; *) ;; esac ;; esac CT_DoLog EXTRA "Building final compiler" make ${PARALLELMFLAGS} all 2>&1 |CT_DoLog ALL CT_DoLog EXTRA "Installing final compiler" make install 2>&1 |CT_DoLog ALL # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able # to call the C compiler with the same, somewhat canonical name. ln "${CT_PREFIX_DIR}/bin/${CT_TARGET}"-{g,}cc # gcc installs stuff in prefix/target/lib, when it would make better sense # to install that into sysroot/usr/lib CT_DoLog EXTRA "Moving improperly installed gcc libs to sysroot" ( cd "${CT_PREFIX_DIR}/${CT_TARGET}/lib"; tar cf - . ) | ( cd "${CT_SYSROOT_DIR}/usr/lib"; tar xfv - ) CT_EndStep }