yann@1: # This file adds the function to build the core gcc C compiler
yann@1: # Copyright 2007 Yann E. MORIN
yann@1: # Licensed under the GPL v2. See COPYING in the root of this package
yann@1: 
yann@161: do_print_filename() {
yann@161:     [ "${CT_CC_CORE}" = "gcc" ] || return 0
yann@164:     echo "gcc-${CT_CC_CORE_VERSION}"
yann@161: }
yann@161: 
yann@63: # Download core gcc
yann@63: do_cc_core_get() {
yann@63:     # Ah! gcc folks are kind of 'different': they store the tarballs in
yann@63:     # subdirectories of the same name! That's because gcc is such /crap/ that
yann@63:     # it is such /big/ that it needs being splitted for distribution! Sad. :-(
yann@63:     # Arrgghh! Some of those versions does not follow this convention:
yann@63:     # gcc-3.3.3 lives in releases/gcc-3.3.3, while gcc-2.95.* isn't in a
yann@63:     # subdirectory! You bastard!
yann@63:     CT_GetFile "${CT_CC_CORE_FILE}"                                    \
yann@63:                ftp://ftp.gnu.org/gnu/gcc/${CT_CC_CORE_FILE}            \
yann@63:                ftp://ftp.gnu.org/gnu/gcc/releases/${CT_CC_CORE_FILE}   \
yann@63:                ftp://ftp.gnu.org/gnu/gcc
yann@63: }
yann@63: 
yann@63: # Extract core gcc
yann@63: do_cc_core_extract() {
yann@63:     CT_ExtractAndPatch "${CT_CC_CORE_FILE}"
yann@63: }
yann@63: 
yann@136: # Core gcc pass 1
yann@136: do_cc_core_pass_1() {
yann@136:     # In case we're NPTL, build the static core gcc;
yann@136:     # in any other case, do nothing.
yann@136:     case "${CT_THREADS}" in
yann@136:         nptl)   do_cc_core_static;;
yann@136:         *)      ;;
yann@136:     esac
yann@136: }
yann@1: 
yann@136: # Core gcc pass 2
yann@136: do_cc_core_pass_2() {
yann@136:     # In case we're NPTL, build the shared core gcc,
yann@136:     # in any other case, build the static core gcc.
yann@136:     case "${CT_THREADS}" in
yann@136:         nptl)   do_cc_core_shared;;
yann@136:         *)      do_cc_core_static;;
yann@136:     esac
yann@136: }
yann@136: 
yann@136: # Build static core gcc
yann@136: do_cc_core_static() {
yann@136:     mkdir -p "${CT_BUILD_DIR}/build-cc-core-static"
yann@136:     cd "${CT_BUILD_DIR}/build-cc-core-static"
yann@136: 
yann@136:     CT_DoStep INFO "Installing static core C compiler"
yann@1: 
yann@95:     CT_DoLog EXTRA "Copying headers to install area of bootstrap gcc, so it can build libgcc2"
yann@136:     mkdir -p "${CT_CC_CORE_STATIC_PREFIX_DIR}/${CT_TARGET}/include"
yann@136:     cp -r "${CT_HEADERS_DIR}"/* "${CT_CC_CORE_STATIC_PREFIX_DIR}/${CT_TARGET}/include" 2>&1 |CT_DoLog DEBUG
yann@1: 
yann@136:     CT_DoLog EXTRA "Configuring static core C compiler"
yann@1: 
yann@1:     extra_config=""
yann@1:     [ "${CT_ARCH_FLOAT_SW}" = "y" ] && extra_config="${extra_config} --with-float=soft"
yann@45:     [ -n "${CT_ARCH_ABI}" ]  && extra_config="${extra_config} --with-abi=${CT_ARCH_ABI}"
yann@136:     [ -n "${CT_ARCH_ARCH}" ] && extra_config="${extra_config} --with-arch=${CT_ARCH_ARCH}"
yann@1:     [ -n "${CT_ARCH_CPU}" ]  && extra_config="${extra_config} --with-cpu=${CT_ARCH_CPU}"
yann@1:     [ -n "${CT_ARCH_TUNE}" ] && extra_config="${extra_config} --with-tune=${CT_ARCH_TUNE}"
yann@1:     [ -n "${CT_ARCH_FPU}" ] && extra_config="${extra_config} --with-fpu=${CT_ARCH_FPU}"
yann@136:     [ "${CT_CC_CXA_ATEXIT}" = "y" ] && extra_config="${extra_config} --enable-__cxa_atexit"
yann@1: 
yann@1:     CT_DoLog DEBUG "Extra config passed: \"${extra_config}\""
yann@1: 
yann@1:     # Use --with-local-prefix so older gccs don't look in /usr/local (http://gcc.gnu.org/PR10532)
yann@1:     CFLAGS="${CT_CFLAGS_FOR_HOST}"                  \
yann@1:     "${CT_SRC_DIR}/${CT_CC_CORE_FILE}/configure"    \
yann@1:         ${CT_CANADIAN_OPT}                          \
yann@136:         --host=${CT_HOST}                           \
yann@1:         --target=${CT_TARGET}                       \
yann@136:         --prefix="${CT_CC_CORE_STATIC_PREFIX_DIR}"  \
yann@1:         --with-local-prefix="${CT_SYSROOT_DIR}"     \
yann@1:         --disable-multilib                          \
yann@1:         --with-newlib                               \
yann@1:         ${CC_CORE_SYSROOT_ARG}                      \
yann@1:         ${extra_config}                             \
yann@1:         --disable-nls                               \
yann@1:         --enable-threads=no                         \
yann@1:         --enable-symvers=gnu                        \
yann@1:         --enable-languages=c                        \
yann@1:         --disable-shared                            \
yann@78:         ${CT_CC_CORE_EXTRA_CONFIG}                  2>&1 |CT_DoLog ALL
yann@1: 
yann@131:     if [ "${CT_CANADIAN}" = "y" ]; then
yann@1:         CT_DoLog EXTRA "Building libiberty"
yann@78:         make ${PARALLELMFLAGS} all-build-libiberty 2>&1 |CT_DoLog ALL
yann@1:     fi
yann@1: 
yann@136:     CT_DoLog EXTRA "Building static core C compiler"
yann@78:     make ${PARALLELMFLAGS} all-gcc 2>&1 |CT_DoLog ALL
yann@1: 
yann@136:     CT_DoLog EXTRA "Installing static core C compiler"
yann@78:     make install-gcc 2>&1 |CT_DoLog ALL
yann@1: 
yann@1:     CT_EndStep
yann@1: }
yann@75: 
yann@136: # Build shared core gcc
yann@136: do_cc_core_shared() {
yann@136:     mkdir -p "${CT_BUILD_DIR}/build-cc-core-shared"
yann@136:     cd "${CT_BUILD_DIR}/build-cc-core-shared"
yann@136: 
yann@136:     CT_DoStep INFO "Installing shared core C compiler"
yann@136: 
yann@136:     CT_DoLog EXTRA "Copying headers to install area of bootstrap gcc, so it can build libgcc2"
yann@136:     mkdir -p "${CT_CC_CORE_SHARED_PREFIX_DIR}/${CT_TARGET}/include"
yann@136:     cp -r "${CT_HEADERS_DIR}"/* "${CT_CC_CORE_SHARED_PREFIX_DIR}/${CT_TARGET}/include" 2>&1 |CT_DoLog DEBUG
yann@136: 
yann@136:     CT_DoLog EXTRA "Configuring shared core C compiler"
yann@136: 
yann@136:     extra_config=""
yann@136:     [ "${CT_ARCH_FLOAT_SW}" = "y" ] && extra_config="${extra_config} --with-float=soft"
yann@136:     [ -n "${CT_ARCH_ABI}" ]  && extra_config="${extra_config} --with-abi=${CT_ARCH_ABI}"
yann@136:     [ -n "${CT_ARCH_ARCH}" ] && extra_config="${extra_config} --with-arch=${CT_ARCH_ARCH}"
yann@136:     [ -n "${CT_ARCH_CPU}" ]  && extra_config="${extra_config} --with-cpu=${CT_ARCH_CPU}"
yann@136:     [ -n "${CT_ARCH_TUNE}" ] && extra_config="${extra_config} --with-tune=${CT_ARCH_TUNE}"
yann@136:     [ -n "${CT_ARCH_FPU}" ] && extra_config="${extra_config} --with-fpu=${CT_ARCH_FPU}"
yann@136:     [ "${CT_CC_CXA_ATEXIT}" = "y" ] && extra_config="${extra_config} --enable-__cxa_atexit"
yann@136: 
yann@136:     CT_DoLog DEBUG "Extra config passed: \"${extra_config}\""
yann@136: 
yann@136:     CFLAGS="${CT_CFLAGS_FOR_HOST}"                  \
yann@136:     "${CT_SRC_DIR}/${CT_CC_CORE_FILE}/configure"    \
yann@136:         ${CT_CANADIAN_OPT}                          \
yann@136:         --target=${CT_TARGET}                       \
yann@136:         --host=${CT_HOST}                           \
yann@136:         --prefix="${CT_CC_CORE_SHARED_PREFIX_DIR}"  \
yann@136:         --with-local-prefix="${CT_SYSROOT_DIR}"     \
yann@136:         --disable-multilib                          \
yann@136:         ${CC_CORE_SYSROOT_ARG}                      \
yann@136:         ${extra_config}                             \
yann@136:         --disable-nls                               \
yann@136:         --enable-symvers=gnu                        \
yann@136:         --enable-languages=c                        \
yann@136:         --enable-shared                             \
yann@136:         ${CT_CC_CORE_EXTRA_CONFIG}                  2>&1 |CT_DoLog ALL
yann@136: 
yann@136:     # HACK: we need to override SHLIB_LC from gcc/config/t-slibgcc-elf-ver or
yann@136:     # gcc/config/t-libunwind so -lc is removed from the link for
yann@136:     # libgcc_s.so, as we do not have a target -lc yet.
yann@136:     # This is not as ugly as it appears to be ;-) All symbols get resolved
yann@136:     # during the glibc build, and we provide a proper libgcc_s.so for the
yann@136:     # cross toolchain during the final gcc build.
yann@136:     #
yann@136:     # As we cannot modify the source tree, nor override SHLIB_LC itself
yann@136:     # during configure or make, we have to edit the resultant
yann@136:     # gcc/libgcc.mk itself to remove -lc from the link.
yann@136:     # This causes us to have to jump through some hoops...
yann@136:     #
yann@136:     # To produce libgcc.mk to edit we firstly require libiberty.a,
yann@136:     # so we configure then build it.
yann@136:     # Next we have to configure gcc, create libgcc.mk then edit it...
yann@136:     # So much easier if we just edit the source tree, but hey...
yann@136:     if [ ! -f "${CT_SRC_DIR}/${CT_CC_CORE_FILE}/gcc/BASE-VER" ]; then
yann@136:         make configure-libiberty
yann@136:         make -C libiberty libiberty.a
yann@136:         make configure-gcc
yann@136:         make configure-libcpp
yann@136:         make all-libcpp
yann@136:     else
yann@136:         make configure-gcc
yann@136:         make configure-libcpp
yann@136:         make configure-build-libiberty
yann@136:         make all-libcpp
yann@136:         make all-build-libiberty
yann@136:     fi 2>&1 |CT_DoLog ALL
yann@136:     # HACK: gcc-4.2 uses libdecnumber to build libgcc.mk, so build it here.
yann@136:     if [ -d "${CT_SRC_DIR}/${CT_CC_CORE_FILE}/libdecnumber" ]; then
yann@136:         make configure-libdecnumber
yann@136:         make -C libdecnumber libdecnumber.a
yann@136:     fi 2>&1 |CT_DoLog ALL
yann@136:     make -C gcc libgcc.mk 2>&1 |CT_DoLog ALL
yann@136:     sed -r -i -e 's@-lc@@g' gcc/libgcc.mk
yann@136: 
yann@136:     if [ "${CT_CANADIAN}" = "y" ]; then
yann@136:         CT_DoLog EXTRA "Building libiberty"
yann@136:         make ${PARALLELMFLAGS} all-build-libiberty 2>&1 |CT_DoLog ALL
yann@136:     fi
yann@136: 
yann@136:     CT_DoLog EXTRA "Building shared core C compiler"
yann@136:     make ${PARALLELMFLAGS} all-gcc 2>&1 |CT_DoLog ALL
yann@136: 
yann@136:     CT_DoLog EXTRA "Installing shared core C compiler"
yann@136:     make install-gcc 2>&1 |CT_DoLog ALL
yann@136: 
yann@136:     CT_EndStep
yann@136: }