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