summaryrefslogtreecommitdiff
path: root/scripts/build/cc
diff options
context:
space:
mode:
Diffstat (limited to 'scripts/build/cc')
-rw-r--r--scripts/build/cc/gcc.sh299
1 files changed, 299 insertions, 0 deletions
diff --git a/scripts/build/cc/gcc.sh b/scripts/build/cc/gcc.sh
new file mode 100644
index 0000000..24ee3c3
--- /dev/null
+++ b/scripts/build/cc/gcc.sh
@@ -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
+}