diff -r 000000000000 -r ef8549b58b6f scripts/build/cc/gcc.sh --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/scripts/build/cc/gcc.sh Sun Sep 14 16:21:07 2008 +0000 @@ -0,0 +1,299 @@ +# This file adds the function to build the gcc C compiler + ${extra_config} \ +# Copyright 2007 Yann E. MORIN +# Licensed under the GPL v2. See COPYING in the root of this package + +do_print_filename() { + [ "${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() { + # If we're building for bare metal, build the static core gcc, + # with libgcc. + # In case we're not bare metal, and we're NPTL, build the static core gcc. + # In any other case, do nothing. + case "${CT_BARE_METAL},${CT_THREADS}" in + y,*) do_cc_core mode=baremetal build_libgcc=yes;; + ,nptl) do_cc_core mode=static build_libgcc=no;; + *) ;; + esac +} + +# Core gcc pass 2 +do_cc_core_pass_2() { + # In case we're building for bare metal, do nothing, we already have + # our compiler. + # In case we're NPTL, build the shared core gcc. + # In any other case, build the static core gcc and the target libgcc. + case "${CT_BARE_METAL},${CT_THREADS}" in + y,*) ;; + ,nptl) do_cc_core mode=shared build_libgcc=yes;; + *) do_cc_core mode=static build_libgcc=yes;; + esac +} + +#------------------------------------------------------------------------------ +# Build core gcc +# This function is used to build both the static and the shared core C conpiler, +# with or without the target libgcc. We need to know wether: +# - we're building static, shared or bare metal: mode=[static|shared|baremetal] +# - we need to build libgcc or not : build_libgcc=[yes|no] +# Usage: do_cc_core_static mode=[static|shared|baremetal] build_libgcc=[yes|no] +do_cc_core() { + local mode + local build_libgcc + local core_prefix_dir + local extra_config + + eval $1 + eval $2 + CT_TestOrAbort "Internal Error: 'mode' must either 'static', 'shared' or 'baremetal', not '${mode:-(empty)}'" "${mode}" = "static" -o "${mode}" = "shared" -o "${mode}" = "baremetal" + CT_TestOrAbort "Internal Error: 'build_libgcc' must be either 'yes' or 'no', not '${build_libgcc:-(empty)}'" "${build_libgcc}" = "yes" -o "${build_libgcc}" = "no" + # In normal conditions, ( "${mode}" = "shared" ) implies + # ( "${build_libgcc}" = "yes" ), but I won't check for that + + mkdir -p "${CT_BUILD_DIR}/build-cc-core-${mode}" + cd "${CT_BUILD_DIR}/build-cc-core-${mode}" + + CT_DoStep INFO "Installing ${mode} core C compiler" + case "${mode}" in + static) + core_prefix_dir="${CT_CC_CORE_STATIC_PREFIX_DIR}" + extra_config="${extra_config} --with-newlib --enable-threads=no --disable-shared" + copy_headers=y + ;; + shared) + core_prefix_dir="${CT_CC_CORE_SHARED_PREFIX_DIR}" + extra_config="${extra_config} --enable-shared" + copy_headers=y + ;; + baremetal) + core_prefix_dir="${CT_PREFIX_DIR}" + extra_config="${extra_config} --with-newlib --enable-threads=no --disable-shared" + copy_headers=n + ;; + esac + + if [ "${copy_headers}" = "y" ]; then + CT_DoLog DEBUG "Copying headers to install area of bootstrap gcc, so it can build libgcc2" + CT_DoExecLog ALL mkdir -p "${core_prefix_dir}/${CT_TARGET}/include" + CT_DoExecLog ALL cp -r "${CT_HEADERS_DIR}"/* "${core_prefix_dir}/${CT_TARGET}/include" + fi + + CT_DoLog EXTRA "Configuring ${mode} core C compiler" + + extra_config="${extra_config} ${CT_ARCH_WITH_ARCH}" + extra_config="${extra_config} ${CT_ARCH_WITH_ABI}" + extra_config="${extra_config} ${CT_ARCH_WITH_CPU}" + extra_config="${extra_config} ${CT_ARCH_WITH_TUNE}" + extra_config="${extra_config} ${CT_ARCH_WITH_FPU}" + extra_config="${extra_config} ${CT_ARCH_WITH_FLOAT}" + [ "${CT_GMP_MPFR}" = "y" ] && extra_config="${extra_config} --with-gmp=${CT_PREFIX_DIR} --with-mpfr=${CT_PREFIX_DIR}" + if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then + extra_config="${extra_config} --enable-__cxa_atexit" + else + extra_config="${extra_config} --disable-__cxa_atexit" + fi + + 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="${CT_CFLAGS_FOR_HOST}" \ + CT_DoExecLog ALL \ + "${CT_SRC_DIR}/${CT_CC_FILE}/configure" \ + ${CT_CANADIAN_OPT} \ + --host=${CT_HOST} \ + --target=${CT_TARGET} \ + --prefix="${core_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-target-optspace \ + ${CT_CC_CORE_EXTRA_CONFIG} + + if [ "${build_libgcc}" = "yes" ]; then + # 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 + CT_DoExecLog ALL make configure-libiberty + CT_DoExecLog ALL make ${PARALLELMFLAGS} -C libiberty libiberty.a + CT_DoExecLog ALL make configure-gcc configure-libcpp + CT_DoExecLog ALL make ${PARALLELMFLAGS} all-libcpp + else + CT_DoExecLog ALL make configure-gcc configure-libcpp configure-build-libiberty + CT_DoExecLog ALL make ${PARALLELMFLAGS} all-libcpp all-build-libiberty + fi + # HACK: gcc-4.2 uses libdecnumber to build libgcc.mk, so build it here. + if [ -d "${CT_SRC_DIR}/${CT_CC_FILE}/libdecnumber" ]; then + CT_DoExecLog ALL make configure-libdecnumber + CT_DoExecLog ALL make ${PARALLELMFLAGS} -C libdecnumber libdecnumber.a + fi + + # Starting with GCC 4.3, libgcc.mk is no longer built, + # and libgcc.mvars is used instead. + + gcc_version_major=$(echo ${CT_CC_VERSION} |sed -r -e 's/^([^\.]+)\..*/\1/') + gcc_version_minor=$(echo ${CT_CC_VERSION} |sed -r -e 's/^[^\.]+\.([^.]+).*/\1/') + + if [ ${gcc_version_major} -eq 4 -a ${gcc_version_minor} -ge 3 \ + -o ${gcc_version_major} -gt 4 ]; then + libgcc_rule="libgcc.mvars" + build_rules="all-gcc all-target-libgcc" + install_rules="install-gcc install-target-libgcc" + else + libgcc_rule="libgcc.mk" + build_rules="all-gcc" + install_rules="install-gcc" + fi + + CT_DoExecLog ALL make ${PARALLELMFLAGS} -C gcc ${libgcc_rule} + sed -r -i -e 's@-lc@@g' gcc/${libgcc_rule} + else # build_libgcc + build_rules="all-gcc" + install_rules="install-gcc" + fi # ! build libgcc + + if [ "${CT_CANADIAN}" = "y" ]; then + CT_DoLog EXTRA "Building libiberty" + CT_DoExecLog ALL make ${PARALLELMFLAGS} all-build-libiberty + fi + + CT_DoLog EXTRA "Building ${mode} core C compiler" + CT_DoExecLog ALL make ${PARALLELMFLAGS} ${build_rules} + + CT_DoLog EXTRA "Installing ${mode} core C compiler" + CT_DoExecLog ALL make ${install_rules} + + CT_EndStep +} + +#------------------------------------------------------------------------------ +# Build final gcc +do_cc() { + # If building for bare metal, nothing to be done here, the static core conpiler is enough! + [ "${CT_BARE_METAL}" = "y" ] && return 0 + + 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} --disable-multilib" + extra_config="${extra_config} ${CT_ARCH_WITH_ARCH}" + extra_config="${extra_config} ${CT_ARCH_WITH_ABI}" + extra_config="${extra_config} ${CT_ARCH_WITH_CPU}" + extra_config="${extra_config} ${CT_ARCH_WITH_TUNE}" + extra_config="${extra_config} ${CT_ARCH_WITH_FPU}" + extra_config="${extra_config} ${CT_ARCH_WITH_FLOAT}" + [ "${CT_SHARED_LIBS}" = "y" ] || extra_config="${extra_config} --disable-shared" + [ "${CT_GMP_MPFR}" = "y" ] && extra_config="${extra_config} --with-gmp=${CT_PREFIX_DIR} --with-mpfr=${CT_PREFIX_DIR}" + [ -n "${CT_CC_PKGVERSION}" ] && extra_config="${extra_config} --with-pkgversion=${CT_CC_PKGVERSION}" + [ -n "${CT_CC_BUGURL}" ] && extra_config="${extra_config} --with-bugurl=${CT_CC_BUGURL}" + [ "${CT_CC_SJLJ_EXCEPTIONS_USE}" = "y" ] && extra_config="${extra_config} --enable-sjlj-exceptions" + [ "${CT_CC_SJLJ_EXCEPTIONS_DONT_USE}" = "y" ] && extra_config="${extra_config} --disable-sjlj-exceptions" + if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then + extra_config="${extra_config} --enable-__cxa_atexit" + else + extra_config="${extra_config} --disable-__cxa_atexit" + fi + + 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="${CT_CFLAGS_FOR_HOST}" \ + CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \ + CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \ + LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}" \ + CT_DoExecLog ALL \ + "${CT_SRC_DIR}/${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 \ + ${CT_CC_EXTRA_CONFIG} + + if [ "${CT_CANADIAN}" = "y" ]; then + CT_DoLog EXTRA "Building libiberty" + CT_DoExecLog ALL make ${PARALLELMFLAGS} all-build-libiberty + fi + + CT_DoLog EXTRA "Building final compiler" + CT_DoExecLog ALL make ${PARALLELMFLAGS} all + + CT_DoLog EXTRA "Installing final compiler" + CT_DoExecLog ALL make install + + # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able + # to call the C compiler with the same, somewhat canonical name. + ln -sv "${CT_PREFIX_DIR}/bin/${CT_TARGET}"-{g,}cc 2>&1 |CT_DoLog ALL + + CT_EndStep +}