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https://github.com/crosstool-ng/crosstool-ng.git
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8fba8c2732
- Get rid of CT_CC_NATIVE - Get rid of CT_CANADIAN_OPT - Sanitise CT_BUILD vs. CT_HOST /trunk/scripts/build/tools/200-sstrip.sh | 4 2 2 0 /trunk/scripts/build/binutils.sh | 1 0 1 0 - /trunk/scripts/build/cc/gcc.sh | 11 6 5 0 +- /trunk/scripts/build/debug/200-duma.sh | 3 1 2 0 - /trunk/scripts/build/libc/glibc.sh | 10 5 5 0 +- /trunk/scripts/build/libc/eglibc.sh | 8 4 4 0 +- /trunk/scripts/crosstool.sh | 168 113 55 0 ++++++++++++++++++++++++++------------ /trunk/config/toolchain.in | 160 137 23 0 +++++++++++++++++++++++++++++++----- 8 files changed, 268 insertions(+), 97 deletions(-)
305 lines
13 KiB
Bash
305 lines
13 KiB
Bash
# This file adds the function to build the gcc C compiler
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${extra_config} \
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# Copyright 2007 Yann E. MORIN
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# Licensed under the GPL v2. See COPYING in the root of this package
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do_print_filename() {
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[ "${CT_CC}" = "gcc" ] || return 0
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echo "gcc-${CT_CC_VERSION}"
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}
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# Download gcc
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do_cc_get() {
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# Ah! gcc folks are kind of 'different': they store the tarballs in
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# subdirectories of the same name! That's because gcc is such /crap/ that
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# it is such /big/ that it needs being splitted for distribution! Sad. :-(
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# Arrgghh! Some of those versions does not follow this convention:
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# gcc-3.3.3 lives in releases/gcc-3.3.3, while gcc-2.95.* isn't in a
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# subdirectory! You bastard!
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CT_GetFile "${CT_CC_FILE}" \
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{ftp,http}://ftp.gnu.org/gnu/gcc{,{,/releases}/${CT_CC_FILE}}
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}
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# Extract gcc
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do_cc_extract() {
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CT_ExtractAndPatch "${CT_CC_FILE}"
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}
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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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# If we're building for bare metal, build the static core gcc,
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# with libgcc.
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# In case we're not bare metal, and we're NPTL, build the static core gcc.
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# In any other case, do nothing.
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case "${CT_BARE_METAL},${CT_THREADS}" in
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y,*) do_cc_core mode=baremetal build_libgcc=yes;;
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,nptl) do_cc_core mode=static build_libgcc=no;;
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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 building for bare metal, do nothing, we already have
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# our compiler.
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# In case we're NPTL, build the shared core gcc and the target libgcc.
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# In any other case, build the static core gcc and, if using gcc-4.3+,
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# also build the target libgcc.
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case "${CT_BARE_METAL},${CT_THREADS}" in
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y,*) ;;
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,nptl)
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do_cc_core mode=shared build_libgcc=yes
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;;
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*) if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
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do_cc_core mode=static build_libgcc=yes
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else
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do_cc_core mode=static build_libgcc=no
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fi
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;;
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esac
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}
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#------------------------------------------------------------------------------
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# Build core gcc
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# This function is used to build both the static and the shared core C conpiler,
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# with or without the target libgcc. We need to know wether:
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# - we're building static, shared or bare metal: mode=[static|shared|baremetal]
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# - we need to build libgcc or not : build_libgcc=[yes|no]
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# Usage: do_cc_core_static mode=[static|shared|baremetal] build_libgcc=[yes|no]
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do_cc_core() {
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local mode
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local build_libgcc
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local core_prefix_dir
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local extra_config
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eval $1
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eval $2
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CT_TestOrAbort "Internal Error: 'mode' must either 'static', 'shared' or 'baremetal', not '${mode:-(empty)}'" "${mode}" = "static" -o "${mode}" = "shared" -o "${mode}" = "baremetal"
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CT_TestOrAbort "Internal Error: 'build_libgcc' must be either 'yes' or 'no', not '${build_libgcc:-(empty)}'" "${build_libgcc}" = "yes" -o "${build_libgcc}" = "no"
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# In normal conditions, ( "${mode}" = "shared" ) implies
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# ( "${build_libgcc}" = "yes" ), but I won't check for that
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mkdir -p "${CT_BUILD_DIR}/build-cc-core-${mode}"
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cd "${CT_BUILD_DIR}/build-cc-core-${mode}"
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CT_DoStep INFO "Installing ${mode} core C compiler"
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case "${mode}" in
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static)
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core_prefix_dir="${CT_CC_CORE_STATIC_PREFIX_DIR}"
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extra_config="${extra_config} --with-newlib --enable-threads=no --disable-shared"
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copy_headers=y
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;;
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shared)
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core_prefix_dir="${CT_CC_CORE_SHARED_PREFIX_DIR}"
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extra_config="${extra_config} --enable-shared"
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copy_headers=y
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;;
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baremetal)
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core_prefix_dir="${CT_PREFIX_DIR}"
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extra_config="${extra_config} --with-newlib --enable-threads=no --disable-shared"
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copy_headers=n
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;;
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esac
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if [ "${copy_headers}" = "y" ]; then
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CT_DoLog DEBUG "Copying headers to install area of bootstrap gcc, so it can build libgcc2"
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CT_DoExecLog ALL mkdir -p "${core_prefix_dir}/${CT_TARGET}/include"
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CT_DoExecLog ALL cp -r "${CT_HEADERS_DIR}"/* "${core_prefix_dir}/${CT_TARGET}/include"
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fi
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CT_DoLog EXTRA "Configuring ${mode} core C compiler"
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extra_config="${extra_config} ${CT_ARCH_WITH_ARCH}"
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extra_config="${extra_config} ${CT_ARCH_WITH_ABI}"
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extra_config="${extra_config} ${CT_ARCH_WITH_CPU}"
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extra_config="${extra_config} ${CT_ARCH_WITH_TUNE}"
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extra_config="${extra_config} ${CT_ARCH_WITH_FPU}"
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extra_config="${extra_config} ${CT_ARCH_WITH_FLOAT}"
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[ "${CT_GMP_MPFR}" = "y" ] && extra_config="${extra_config} --with-gmp=${CT_PREFIX_DIR} --with-mpfr=${CT_PREFIX_DIR}"
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if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
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extra_config="${extra_config} --enable-__cxa_atexit"
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else
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extra_config="${extra_config} --disable-__cxa_atexit"
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fi
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CT_DoLog DEBUG "Extra config passed: '${extra_config}'"
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# Use --with-local-prefix so older gccs don't look in /usr/local (http://gcc.gnu.org/PR10532)
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CC_FOR_BUILD="${CT_BUILD}-gcc" \
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CFLAGS="${CT_CFLAGS_FOR_HOST}" \
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CT_DoExecLog ALL \
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"${CT_SRC_DIR}/${CT_CC_FILE}/configure" \
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--build=${CT_BUILD} \
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--host=${CT_HOST} \
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--target=${CT_TARGET} \
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--prefix="${core_prefix_dir}" \
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--with-local-prefix="${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-target-optspace \
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${CT_CC_CORE_EXTRA_CONFIG}
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if [ "${build_libgcc}" = "yes" ]; then
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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_FILE}/gcc/BASE-VER" ]; then
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CT_DoExecLog ALL make configure-libiberty
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CT_DoExecLog ALL make ${PARALLELMFLAGS} -C libiberty libiberty.a
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CT_DoExecLog ALL make configure-gcc configure-libcpp
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CT_DoExecLog ALL make ${PARALLELMFLAGS} all-libcpp
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else
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CT_DoExecLog ALL make configure-gcc configure-libcpp configure-build-libiberty
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CT_DoExecLog ALL make ${PARALLELMFLAGS} all-libcpp all-build-libiberty
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fi
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# HACK: gcc-4.2 uses libdecnumber to build libgcc.mk, so build it here.
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if [ -d "${CT_SRC_DIR}/${CT_CC_FILE}/libdecnumber" ]; then
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CT_DoExecLog ALL make configure-libdecnumber
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CT_DoExecLog ALL make ${PARALLELMFLAGS} -C libdecnumber libdecnumber.a
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fi
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# Starting with GCC 4.3, libgcc.mk is no longer built,
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# and libgcc.mvars is used instead.
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if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
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libgcc_rule="libgcc.mvars"
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build_rules="all-gcc all-target-libgcc"
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install_rules="install-gcc install-target-libgcc"
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else
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libgcc_rule="libgcc.mk"
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build_rules="all-gcc"
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install_rules="install-gcc"
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fi
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CT_DoExecLog ALL make ${PARALLELMFLAGS} -C gcc ${libgcc_rule}
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sed -r -i -e 's@-lc@@g' gcc/${libgcc_rule}
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else # build_libgcc
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build_rules="all-gcc"
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install_rules="install-gcc"
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fi # ! build libgcc
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if [ "${CT_CANADIAN}" = "y" ]; then
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CT_DoLog EXTRA "Building libiberty"
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CT_DoExecLog ALL make ${PARALLELMFLAGS} all-build-libiberty
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fi
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CT_DoLog EXTRA "Building ${mode} core C compiler"
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CT_DoExecLog ALL make ${PARALLELMFLAGS} ${build_rules}
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CT_DoLog EXTRA "Installing ${mode} core C compiler"
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CT_DoExecLog ALL make ${install_rules}
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CT_EndStep
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}
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#------------------------------------------------------------------------------
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# Build final gcc
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do_cc() {
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# If building for bare metal, nothing to be done here, the static core conpiler is enough!
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[ "${CT_BARE_METAL}" = "y" ] && return 0
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CT_DoStep INFO "Installing final compiler"
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mkdir -p "${CT_BUILD_DIR}/build-cc"
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cd "${CT_BUILD_DIR}/build-cc"
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CT_DoLog EXTRA "Configuring final compiler"
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# Enable selected languages
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lang_opt="c"
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[ "${CT_CC_LANG_CXX}" = "y" ] && lang_opt="${lang_opt},c++"
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[ "${CT_CC_LANG_FORTRAN}" = "y" ] && lang_opt="${lang_opt},fortran"
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[ "${CT_CC_LANG_ADA}" = "y" ] && lang_opt="${lang_opt},ada"
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[ "${CT_CC_LANG_JAVA}" = "y" ] && lang_opt="${lang_opt},java"
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[ "${CT_CC_LANG_OBJC}" = "y" ] && lang_opt="${lang_opt},objc"
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[ "${CT_CC_LANG_OBJCXX}" = "y" ] && lang_opt="${lang_opt},obj-c++"
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CT_Test "Building ADA language is not yet supported. Will try..." "${CT_CC_LANG_ADA}" = "y"
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CT_Test "Building Objective-C language is not yet supported. Will try..." "${CT_CC_LANG_OBJC}" = "y"
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CT_Test "Building Objective-C++ language is not yet supported. Will try..." "${CT_CC_LANG_OBJCXX}" = "y"
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CT_Test "Building ${CT_CC_LANG_OTHERS//,/ } language(s) is not yet supported. Will try..." -n "${CT_CC_LANG_OTHERS}"
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lang_opt=$(echo "${lang_opt},${CT_CC_LANG_OTHERS}" |sed -r -e 's/,+/,/g; s/,*$//;')
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extra_config="--enable-languages=${lang_opt}"
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extra_config="${extra_config} --disable-multilib"
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extra_config="${extra_config} ${CT_ARCH_WITH_ARCH}"
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extra_config="${extra_config} ${CT_ARCH_WITH_ABI}"
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extra_config="${extra_config} ${CT_ARCH_WITH_CPU}"
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extra_config="${extra_config} ${CT_ARCH_WITH_TUNE}"
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extra_config="${extra_config} ${CT_ARCH_WITH_FPU}"
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extra_config="${extra_config} ${CT_ARCH_WITH_FLOAT}"
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[ "${CT_SHARED_LIBS}" = "y" ] || extra_config="${extra_config} --disable-shared"
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[ "${CT_GMP_MPFR}" = "y" ] && extra_config="${extra_config} --with-gmp=${CT_PREFIX_DIR} --with-mpfr=${CT_PREFIX_DIR}"
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[ -n "${CT_CC_PKGVERSION}" ] && extra_config="${extra_config} --with-pkgversion=${CT_CC_PKGVERSION}"
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[ -n "${CT_CC_BUGURL}" ] && extra_config="${extra_config} --with-bugurl=${CT_CC_BUGURL}"
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[ "${CT_CC_SJLJ_EXCEPTIONS_USE}" = "y" ] && extra_config="${extra_config} --enable-sjlj-exceptions"
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[ "${CT_CC_SJLJ_EXCEPTIONS_DONT_USE}" = "y" ] && extra_config="${extra_config} --disable-sjlj-exceptions"
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if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
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extra_config="${extra_config} --enable-__cxa_atexit"
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else
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extra_config="${extra_config} --disable-__cxa_atexit"
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fi
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CT_DoLog DEBUG "Extra config passed: '${extra_config}'"
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# --enable-symvers=gnu really only needed for sh4 to work around a
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# detection problem only matters for gcc-3.2.x and later, I think.
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# --disable-nls to work around crash bug on ppc405, but also because
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# embedded systems don't really need message catalogs...
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CC_FOR_BUILD="${CT_BUILD}-gcc" \
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CFLAGS="${CT_CFLAGS_FOR_HOST}" \
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CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
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CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
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LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}" \
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CT_DoExecLog ALL \
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"${CT_SRC_DIR}/${CT_CC_FILE}/configure" \
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--build=${CT_BUILD} \
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--host=${CT_HOST} \
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--target=${CT_TARGET} \
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--prefix="${CT_PREFIX_DIR}" \
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${CC_SYSROOT_ARG} \
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${extra_config} \
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--with-local-prefix="${CT_SYSROOT_DIR}" \
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--disable-nls \
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--enable-threads=posix \
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--enable-symvers=gnu \
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--enable-c99 \
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--enable-long-long \
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--enable-target-optspace \
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${CT_CC_EXTRA_CONFIG}
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if [ "${CT_CANADIAN}" = "y" ]; then
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CT_DoLog EXTRA "Building libiberty"
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CT_DoExecLog ALL make ${PARALLELMFLAGS} all-build-libiberty
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fi
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CT_DoLog EXTRA "Building final compiler"
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CT_DoExecLog ALL make ${PARALLELMFLAGS} all
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CT_DoLog EXTRA "Installing final compiler"
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CT_DoExecLog ALL make install
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# Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
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# to call the C compiler with the same, somewhat canonical name.
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CT_DoExecLog ALL ln -sv "${CT_TARGET}"-gcc "${CT_PREFIX_DIR}/bin/${CT_TARGET}"-cc
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CT_EndStep
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}
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