yann@850
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# This file adds the function to build the gcc C compiler
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yann@850
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# Copyright 2007 Yann E. MORIN
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yann@850
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# Licensed under the GPL v2. See COPYING in the root of this package
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yann@850
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# Download gcc
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yann@850
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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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yann@850
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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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yann@850
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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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yann@1389
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CT_GetFile "gcc-${CT_CC_VERSION}" \
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yann@1389
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{ftp,http}://ftp.gnu.org/gnu/gcc{,{,/releases}/gcc-${CT_CC_VERSION}} \
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yann@1389
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ftp://ftp.irisa.fr/pub/mirrors/gcc.gnu.org/gcc/releases/gcc-${CT_CC_VERSION} \
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yann@1389
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ftp://ftp.uvsq.fr/pub/gcc/snapshots/${CT_CC_VERSION}
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yann@1268
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yann@1129
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# Starting with GCC 4.3, ecj is used for Java, and will only be
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yann@1129
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# built if the configure script finds ecj.jar at the top of the
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yann@1129
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# GCC source tree, which will not be there unless we get it and
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yann@1129
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# put it there ourselves
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yann@1129
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if [ "${CT_CC_LANG_JAVA_USE_ECJ}" = "y" ]; then
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yann@1129
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CT_GetFile ecj-latest .jar ftp://gcc.gnu.org/pub/java \
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yann@1129
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ftp://sourceware.org/pub/java
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yann@1129
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fi
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yann@850
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}
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# Extract gcc
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do_cc_extract() {
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yann@1389
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CT_Extract "gcc-${CT_CC_VERSION}"
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yann@1389
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CT_Patch "gcc-${CT_CC_VERSION}"
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yann@1268
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yann@1129
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# Copy ecj-latest.jar to ecj.jar at the top of the GCC source tree
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yann@1389
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if [ "${CT_CC_LANG_JAVA_USE_ECJ}" = "y" \
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yann@1389
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-a ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/ecj.jar" \
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yann@1259
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]; then
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yann@1389
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CT_DoExecLog ALL cp -v "${CT_TARBALLS_DIR}/ecj-latest.jar" "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/ecj.jar"
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yann@1129
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fi
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yann@850
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}
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#------------------------------------------------------------------------------
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# Core gcc pass 1
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do_cc_core_pass_1() {
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yann@1425
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# If we're building a canadian compiler no use to build the CC
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yann@1425
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# core compiler, we're not using it
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[ -n "${CT_CANADIAN}" ] && return 0
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yann@1425
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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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yann@1425
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# If we're building a canadian compiler no use to build the CC
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yann@1425
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# core compiler, we're not using it
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yann@1425
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[ -n "${CT_CANADIAN}" ] && return 0
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yann@1425
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# In case we're building for bare metal, do nothing, we already have
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# our compiler.
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# In case we're NPTL, build the shared core gcc and the target libgcc.
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yann@892
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# In any other case, build the static core gcc and, if using gcc-4.3+,
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# also build the target libgcc.
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case "${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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yann@892
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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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yann@892
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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 lang_opt
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local tmp
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local -a 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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yann@850
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CT_DoStep INFO "Installing ${mode} core C compiler"
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yann@850
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mkdir -p "${CT_BUILD_DIR}/build-cc-core-${mode}"
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cd "${CT_BUILD_DIR}/build-cc-core-${mode}"
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yann@850
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lang_opt=c
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case "${mode}" in
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static)
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core_prefix_dir="${CT_CC_CORE_STATIC_PREFIX_DIR}"
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extra_config+=("--with-newlib")
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yann@1479
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extra_config+=("--enable-threads=no")
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extra_config+=("--disable-shared")
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copy_headers=y
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yann@850
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;;
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shared)
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core_prefix_dir="${CT_CC_CORE_SHARED_PREFIX_DIR}"
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extra_config+=("--enable-shared")
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yann@850
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copy_headers=y
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yann@850
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;;
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baremetal)
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core_prefix_dir="${CT_PREFIX_DIR}"
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yann@1479
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extra_config+=("--with-newlib")
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yann@1479
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extra_config+=("--enable-threads=no")
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yann@1479
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extra_config+=("--disable-shared")
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yann@1107
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[ "${CT_CC_LANG_CXX}" = "y" ] && lang_opt="${lang_opt},c++"
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yann@850
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copy_headers=n
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;;
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yann@850
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esac
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yann@850
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yann@850
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if [ "${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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yann@850
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CT_DoExecLog ALL mkdir -p "${core_prefix_dir}/${CT_TARGET}/include"
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yann@850
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CT_DoExecLog ALL cp -r "${CT_HEADERS_DIR}"/* "${core_prefix_dir}/${CT_TARGET}/include"
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yann@850
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fi
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yann@850
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yann@850
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CT_DoLog EXTRA "Configuring ${mode} core C compiler"
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yann@850
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yann@1479
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for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
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yann@1479
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eval tmp="\${CT_ARCH_WITH_${tmp}}"
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yann@1479
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if [ -n "${tmp}" ]; then
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yann@1479
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extra_config+=("${tmp}")
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yann@1479
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fi
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yann@1479
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done
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yann@850
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if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
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yann@1479
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extra_config+=("--enable-__cxa_atexit")
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yann@850
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else
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yann@1479
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extra_config+=("--disable-__cxa_atexit")
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yann@850
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fi
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yann@1393
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if [ "${CT_GMP_MPFR}" = "y" ]; then
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yann@1479
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extra_config+=("--with-gmp=${CT_PREFIX_DIR}")
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yann@1479
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extra_config+=("--with-mpfr=${CT_PREFIX_DIR}")
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yann@1393
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fi
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yann@1393
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if [ "${CT_PPL_CLOOG_MPC}" = "y" ]; then
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yann@1479
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extra_config+=("--with-ppl=${CT_PREFIX_DIR}")
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yann@1479
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extra_config+=("--with-cloog=${CT_PREFIX_DIR}")
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yann@1479
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extra_config+=("--with-mpc=${CT_PREFIX_DIR}")
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yann@1393
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fi
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yann@850
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yann@1479
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CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
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yann@850
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yann@850
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# Use --with-local-prefix so older gccs don't look in /usr/local (http://gcc.gnu.org/PR10532)
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yann@1041
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CC_FOR_BUILD="${CT_BUILD}-gcc" \
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yann@850
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CFLAGS="${CT_CFLAGS_FOR_HOST}" \
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yann@850
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CT_DoExecLog ALL \
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yann@1389
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"${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
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yann@1041
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--build=${CT_BUILD} \
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yann@850
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--host=${CT_HOST} \
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yann@850
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--target=${CT_TARGET} \
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yann@850
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--prefix="${core_prefix_dir}" \
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yann@850
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--with-local-prefix="${CT_SYSROOT_DIR}" \
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yann@850
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--disable-multilib \
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yann@850
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${CC_CORE_SYSROOT_ARG} \
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yann@1479
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"${extra_config[@]}" \
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yann@850
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--disable-nls \
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yann@850
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--enable-symvers=gnu \
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yann@1107
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--enable-languages="${lang_opt}" \
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yann@850
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--enable-target-optspace \
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yann@850
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${CT_CC_CORE_EXTRA_CONFIG}
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yann@850
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yann@850
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if [ "${build_libgcc}" = "yes" ]; then
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yann@850
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# HACK: we need to override SHLIB_LC from gcc/config/t-slibgcc-elf-ver or
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yann@850
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# gcc/config/t-libunwind so -lc is removed from the link for
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yann@850
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# libgcc_s.so, as we do not have a target -lc yet.
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yann@850
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# This is not as ugly as it appears to be ;-) All symbols get resolved
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yann@850
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# during the glibc build, and we provide a proper libgcc_s.so for the
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yann@850
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# cross toolchain during the final gcc build.
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yann@850
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#
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yann@850
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# As we cannot modify the source tree, nor override SHLIB_LC itself
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yann@850
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# during configure or make, we have to edit the resultant
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yann@850
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# gcc/libgcc.mk itself to remove -lc from the link.
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yann@850
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# This causes us to have to jump through some hoops...
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yann@850
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#
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yann@850
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# To produce libgcc.mk to edit we firstly require libiberty.a,
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yann@850
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# so we configure then build it.
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yann@850
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# Next we have to configure gcc, create libgcc.mk then edit it...
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yann@850
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# So much easier if we just edit the source tree, but hey...
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yann@1389
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if [ ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/gcc/BASE-VER" ]; then
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yann@850
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CT_DoExecLog ALL make configure-libiberty
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yann@850
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CT_DoExecLog ALL make ${PARALLELMFLAGS} -C libiberty libiberty.a
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yann@850
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CT_DoExecLog ALL make configure-gcc configure-libcpp
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yann@850
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CT_DoExecLog ALL make ${PARALLELMFLAGS} all-libcpp
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yann@850
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else
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yann@850
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CT_DoExecLog ALL make configure-gcc configure-libcpp configure-build-libiberty
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yann@850
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CT_DoExecLog ALL make ${PARALLELMFLAGS} all-libcpp all-build-libiberty
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yann@850
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fi
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yann@850
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# HACK: gcc-4.2 uses libdecnumber to build libgcc.mk, so build it here.
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yann@1389
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if [ -d "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/libdecnumber" ]; then
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yann@850
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CT_DoExecLog ALL make configure-libdecnumber
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yann@850
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CT_DoExecLog ALL make ${PARALLELMFLAGS} -C libdecnumber libdecnumber.a
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yann@850
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fi
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yann@850
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yann@850
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# Starting with GCC 4.3, libgcc.mk is no longer built,
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yann@850
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# and libgcc.mvars is used instead.
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yann@850
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yann@892
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if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
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yann@850
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libgcc_rule="libgcc.mvars"
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yann@850
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build_rules="all-gcc all-target-libgcc"
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yann@850
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install_rules="install-gcc install-target-libgcc"
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yann@850
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else
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yann@850
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libgcc_rule="libgcc.mk"
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yann@850
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build_rules="all-gcc"
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yann@850
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install_rules="install-gcc"
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yann@850
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fi
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yann@850
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yann@850
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CT_DoExecLog ALL make ${PARALLELMFLAGS} -C gcc ${libgcc_rule}
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yann@850
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sed -r -i -e 's@-lc@@g' gcc/${libgcc_rule}
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yann@850
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else # build_libgcc
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yann@850
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build_rules="all-gcc"
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yann@850
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install_rules="install-gcc"
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yann@850
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fi # ! build libgcc
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yann@850
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yann@850
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if [ "${CT_CANADIAN}" = "y" ]; then
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yann@850
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CT_DoLog EXTRA "Building libiberty"
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yann@850
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CT_DoExecLog ALL make ${PARALLELMFLAGS} all-build-libiberty
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yann@850
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fi
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yann@850
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yann@850
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241 |
CT_DoLog EXTRA "Building ${mode} core C compiler"
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yann@850
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242 |
CT_DoExecLog ALL make ${PARALLELMFLAGS} ${build_rules}
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yann@850
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yann@850
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CT_DoLog EXTRA "Installing ${mode} core C compiler"
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yann@850
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CT_DoExecLog ALL make ${install_rules}
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yann@850
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yann@1269
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# Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
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yann@1269
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248 |
# to call the C compiler with the same, somewhat canonical name.
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yann@1269
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249 |
CT_DoExecLog ALL ln -sv "${CT_TARGET}"-gcc "${core_prefix_dir}/bin/${CT_TARGET}"-cc
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yann@1269
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250 |
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yann@850
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CT_EndStep
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yann@850
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}
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yann@850
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yann@850
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#------------------------------------------------------------------------------
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yann@850
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255 |
# Build final gcc
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yann@850
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256 |
do_cc() {
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yann@1479
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257 |
local -a extra_config
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yann@1479
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258 |
local tmp
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yann@1479
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259 |
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yann@850
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260 |
# If building for bare metal, nothing to be done here, the static core conpiler is enough!
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yann@850
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261 |
[ "${CT_BARE_METAL}" = "y" ] && return 0
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yann@850
|
262 |
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yann@850
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263 |
CT_DoStep INFO "Installing final compiler"
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yann@850
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264 |
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yann@850
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265 |
mkdir -p "${CT_BUILD_DIR}/build-cc"
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yann@850
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266 |
cd "${CT_BUILD_DIR}/build-cc"
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yann@850
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267 |
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yann@850
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CT_DoLog EXTRA "Configuring final compiler"
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yann@850
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yann@850
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270 |
# Enable selected languages
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yann@850
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271 |
lang_opt="c"
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yann@850
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272 |
[ "${CT_CC_LANG_CXX}" = "y" ] && lang_opt="${lang_opt},c++"
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yann@850
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273 |
[ "${CT_CC_LANG_FORTRAN}" = "y" ] && lang_opt="${lang_opt},fortran"
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yann@850
|
274 |
[ "${CT_CC_LANG_ADA}" = "y" ] && lang_opt="${lang_opt},ada"
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yann@850
|
275 |
[ "${CT_CC_LANG_JAVA}" = "y" ] && lang_opt="${lang_opt},java"
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yann@850
|
276 |
[ "${CT_CC_LANG_OBJC}" = "y" ] && lang_opt="${lang_opt},objc"
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yann@850
|
277 |
[ "${CT_CC_LANG_OBJCXX}" = "y" ] && lang_opt="${lang_opt},obj-c++"
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yann@850
|
278 |
CT_Test "Building ADA language is not yet supported. Will try..." "${CT_CC_LANG_ADA}" = "y"
|
yann@850
|
279 |
CT_Test "Building Objective-C language is not yet supported. Will try..." "${CT_CC_LANG_OBJC}" = "y"
|
yann@850
|
280 |
CT_Test "Building Objective-C++ language is not yet supported. Will try..." "${CT_CC_LANG_OBJCXX}" = "y"
|
yann@850
|
281 |
CT_Test "Building ${CT_CC_LANG_OTHERS//,/ } language(s) is not yet supported. Will try..." -n "${CT_CC_LANG_OTHERS}"
|
yann@850
|
282 |
lang_opt=$(echo "${lang_opt},${CT_CC_LANG_OTHERS}" |sed -r -e 's/,+/,/g; s/,*$//;')
|
yann@850
|
283 |
|
yann@1479
|
284 |
extra_config+=("--enable-languages=${lang_opt}")
|
yann@1479
|
285 |
extra_config+=("--disable-multilib")
|
yann@1479
|
286 |
for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
|
yann@1479
|
287 |
eval tmp="\${CT_ARCH_WITH_${tmp}}"
|
yann@1479
|
288 |
if [ -n "${tmp}" ]; then
|
yann@1479
|
289 |
extra_config+=("${tmp}")
|
yann@1479
|
290 |
fi
|
yann@1479
|
291 |
done
|
yann@1479
|
292 |
|
yann@1479
|
293 |
[ "${CT_SHARED_LIBS}" = "y" ] || extra_config+=("--disable-shared")
|
yann@1479
|
294 |
[ -n "${CT_CC_PKGVERSION}" ] && extra_config+=("--with-pkgversion=${CT_CC_PKGVERSION}")
|
yann@1479
|
295 |
[ -n "${CT_CC_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_CC_BUGURL}")
|
yann@1479
|
296 |
[ "${CT_CC_SJLJ_EXCEPTIONS_USE}" = "y" ] && extra_config+=("--enable-sjlj-exceptions")
|
yann@1479
|
297 |
[ "${CT_CC_SJLJ_EXCEPTIONS_DONT_USE}" = "y" ] && extra_config+=("--disable-sjlj-exceptions")
|
yann@850
|
298 |
if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
|
yann@1479
|
299 |
extra_config+=("--enable-__cxa_atexit")
|
yann@850
|
300 |
else
|
yann@1479
|
301 |
extra_config+=("--disable-__cxa_atexit")
|
yann@850
|
302 |
fi
|
yann@1393
|
303 |
if [ "${CT_GMP_MPFR}" = "y" ]; then
|
yann@1479
|
304 |
extra_config+=("--with-gmp=${CT_PREFIX_DIR}")
|
yann@1479
|
305 |
extra_config+=("--with-mpfr=${CT_PREFIX_DIR}")
|
yann@1393
|
306 |
fi
|
yann@1393
|
307 |
if [ "${CT_PPL_CLOOG_MPC}" = "y" ]; then
|
yann@1479
|
308 |
extra_config+=("--with-ppl=${CT_PREFIX_DIR}")
|
yann@1479
|
309 |
extra_config+=("--with-cloog=${CT_PREFIX_DIR}")
|
yann@1479
|
310 |
extra_config+=("--with-mpc=${CT_PREFIX_DIR}")
|
yann@1393
|
311 |
fi
|
yann@1484
|
312 |
if [ -n "${CC_ENABLE_CXX_FLAGS}" ]; then
|
yann@1484
|
313 |
extra_config+=("--enable-cxx-flags=${CC_ENABLE_CXX_FLAGS}")
|
yann@1484
|
314 |
fi
|
yann@850
|
315 |
|
yann@1479
|
316 |
CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
|
yann@850
|
317 |
|
yann@850
|
318 |
# --enable-symvers=gnu really only needed for sh4 to work around a
|
yann@850
|
319 |
# detection problem only matters for gcc-3.2.x and later, I think.
|
yann@850
|
320 |
# --disable-nls to work around crash bug on ppc405, but also because
|
yann@850
|
321 |
# embedded systems don't really need message catalogs...
|
yann@1122
|
322 |
CC_FOR_BUILD="${CT_BUILD}-gcc" \
|
yann@1122
|
323 |
CFLAGS="${CT_CFLAGS_FOR_HOST}" \
|
yann@1122
|
324 |
CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
|
yann@1122
|
325 |
CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
|
yann@1122
|
326 |
LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}" \
|
yann@1122
|
327 |
CT_DoExecLog ALL \
|
yann@1389
|
328 |
"${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
|
yann@1122
|
329 |
--build=${CT_BUILD} \
|
yann@1122
|
330 |
--host=${CT_HOST} \
|
yann@1122
|
331 |
--target=${CT_TARGET} \
|
yann@1122
|
332 |
--prefix="${CT_PREFIX_DIR}" \
|
yann@1122
|
333 |
${CC_SYSROOT_ARG} \
|
yann@1479
|
334 |
"${extra_config[@]}" \
|
yann@1122
|
335 |
--with-local-prefix="${CT_SYSROOT_DIR}" \
|
yann@1122
|
336 |
--disable-nls \
|
yann@1122
|
337 |
--enable-threads=posix \
|
yann@1122
|
338 |
--enable-symvers=gnu \
|
yann@1122
|
339 |
--enable-c99 \
|
yann@1122
|
340 |
--enable-long-long \
|
yann@1122
|
341 |
--enable-target-optspace \
|
yann@850
|
342 |
${CT_CC_EXTRA_CONFIG}
|
yann@850
|
343 |
|
yann@850
|
344 |
if [ "${CT_CANADIAN}" = "y" ]; then
|
yann@850
|
345 |
CT_DoLog EXTRA "Building libiberty"
|
yann@850
|
346 |
CT_DoExecLog ALL make ${PARALLELMFLAGS} all-build-libiberty
|
yann@850
|
347 |
fi
|
yann@850
|
348 |
|
yann@850
|
349 |
CT_DoLog EXTRA "Building final compiler"
|
yann@850
|
350 |
CT_DoExecLog ALL make ${PARALLELMFLAGS} all
|
yann@850
|
351 |
|
yann@850
|
352 |
CT_DoLog EXTRA "Installing final compiler"
|
yann@850
|
353 |
CT_DoExecLog ALL make install
|
yann@850
|
354 |
|
yann@850
|
355 |
# Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
|
yann@850
|
356 |
# to call the C compiler with the same, somewhat canonical name.
|
yann@1007
|
357 |
CT_DoExecLog ALL ln -sv "${CT_TARGET}"-gcc "${CT_PREFIX_DIR}/bin/${CT_TARGET}"-cc
|
yann@850
|
358 |
|
yann@850
|
359 |
CT_EndStep
|
yann@850
|
360 |
}
|