# This file adds the function to build the core gcc C compiler # Copyright 2007 Yann E. MORIN # Licensed under the GPL v2. See COPYING in the root of this package # Download core gcc do_cc_core_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 "${CT_CC_CORE_FILE}" \ ftp://ftp.gnu.org/gnu/gcc/${CT_CC_CORE_FILE} \ ftp://ftp.gnu.org/gnu/gcc/releases/${CT_CC_CORE_FILE} \ ftp://ftp.gnu.org/gnu/gcc } # Extract core gcc do_cc_core_extract() { CT_ExtractAndPatch "${CT_CC_CORE_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_FLOAT_SW}" = "y" ] && extra_config="${extra_config} --with-float=soft" [ -n "${CT_ARCH_ABI}" ] && extra_config="${extra_config} --with-abi=${CT_ARCH_ABI}" [ -n "${CT_ARCH_ARCH}" ] && extra_config="${extra_config} --with-arch=${CT_ARCH_ARCH}" [ -n "${CT_ARCH_CPU}" ] && extra_config="${extra_config} --with-cpu=${CT_ARCH_CPU}" [ -n "${CT_ARCH_TUNE}" ] && extra_config="${extra_config} --with-tune=${CT_ARCH_TUNE}" [ -n "${CT_ARCH_FPU}" ] && extra_config="${extra_config} --with-fpu=${CT_ARCH_FPU}" [ "${CT_CC_CXA_ATEXIT}" = "y" ] && extra_config="${extra_config} --enable-__cxa_atexit" CT_DoLog DEBUG "Extra config passed: \"${extra_config}\"" # Use --with-local-prefix so older gccs don't look in /usr/local (http://gcc.gnu.org/PR10532) CFLAGS="${CT_CFLAGS_FOR_HOST}" \ "${CT_SRC_DIR}/${CT_CC_CORE_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 \ ${CT_CC_CORE_EXTRA_CONFIG} 2>&1 |CT_DoLog ALL if [ "${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="" [ "${CT_ARCH_FLOAT_SW}" = "y" ] && extra_config="${extra_config} --with-float=soft" [ -n "${CT_ARCH_ABI}" ] && extra_config="${extra_config} --with-abi=${CT_ARCH_ABI}" [ -n "${CT_ARCH_ARCH}" ] && extra_config="${extra_config} --with-arch=${CT_ARCH_ARCH}" [ -n "${CT_ARCH_CPU}" ] && extra_config="${extra_config} --with-cpu=${CT_ARCH_CPU}" [ -n "${CT_ARCH_TUNE}" ] && extra_config="${extra_config} --with-tune=${CT_ARCH_TUNE}" [ -n "${CT_ARCH_FPU}" ] && extra_config="${extra_config} --with-fpu=${CT_ARCH_FPU}" [ "${CT_CC_CXA_ATEXIT}" = "y" ] && extra_config="${extra_config} --enable-__cxa_atexit" CT_DoLog DEBUG "Extra config passed: \"${extra_config}\"" CFLAGS="${CT_CFLAGS_FOR_HOST}" \ "${CT_SRC_DIR}/${CT_CC_CORE_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 \ ${CT_CC_CORE_EXTRA_CONFIG} 2>&1 |CT_DoLog ALL # HACK: we need to override SHLIB_LC from gcc/config/t-slibgcc-elf-ver or # gcc/config/t-libunwind so -lc is removed from the link for # libgcc_s.so, as we do not have a target -lc yet. # This is not as ugly as it appears to be ;-) All symbols get resolved # during the glibc build, and we provide a proper libgcc_s.so for the # cross toolchain during the final gcc build. # # As we cannot modify the source tree, nor override SHLIB_LC itself # during configure or make, we have to edit the resultant # gcc/libgcc.mk itself to remove -lc from the link. # This causes us to have to jump through some hoops... # # To produce libgcc.mk to edit we firstly require libiberty.a, # so we configure then build it. # Next we have to configure gcc, create libgcc.mk then edit it... # So much easier if we just edit the source tree, but hey... if [ ! -f "${CT_SRC_DIR}/${CT_CC_CORE_FILE}/gcc/BASE-VER" ]; then make configure-libiberty make -C libiberty libiberty.a make configure-gcc make configure-libcpp make all-libcpp else make configure-gcc make configure-libcpp make configure-build-libiberty make all-libcpp make all-build-libiberty fi 2>&1 |CT_DoLog ALL # HACK: gcc-4.2 uses libdecnumber to build libgcc.mk, so build it here. if [ -d "${CT_SRC_DIR}/${CT_CC_CORE_FILE}/libdecnumber" ]; then make configure-libdecnumber make -C libdecnumber libdecnumber.a fi 2>&1 |CT_DoLog ALL make -C gcc libgcc.mk 2>&1 |CT_DoLog ALL sed -r -i -e 's@-lc@@g' gcc/libgcc.mk if [ "${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 }