mirror of
https://github.com/crosstool-ng/crosstool-ng.git
synced 2024-12-24 15:06:42 +00:00
e05fa86bba
... because GCC prints the sysroot with symlinks resolved. Fixes #892. Signed-off-by: Alexey Neyman <stilor@att.net>
1213 lines
46 KiB
Bash
1213 lines
46 KiB
Bash
# This file adds the function to build the 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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# Download gcc
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do_cc_get() {
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local linaro_version=""
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local linaro_series=""
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CT_Fetch GCC
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# Starting with GCC 4.3, ecj is used for Java, and will only be
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# built if the configure script finds ecj.jar at the top of the
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# GCC source tree, which will not be there unless we get it and
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# put it there ourselves
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if [ "${CT_CC_LANG_JAVA_USE_ECJ}" = "y" ]; then
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if ! CT_GetFile package=ecj basename=ecj-latest extensions=.jar \
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mirrors=$(CT_Mirrors sourceware java); then
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# Should be a package, too - but with Java retirement in GCC,
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# it may not make sense.
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CT_Abort "Failed to download ecj-latest.jar"
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fi
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fi
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}
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# Extract gcc
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do_cc_extract() {
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CT_ExtractPatch GCC
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# Copy ecj-latest.jar to ecj.jar at the top of the GCC source tree
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if [ "${CT_CC_LANG_JAVA_USE_ECJ}" = "y" -a ! -f "${CT_SRC_DIR}/gcc/ecj.jar" ]; then
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CT_DoExecLog ALL cp -v "${CT_TARBALLS_DIR}/ecj-latest.jar" "${CT_SRC_DIR}/gcc/ecj.jar"
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fi
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}
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#------------------------------------------------------------------------------
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# This function builds up the set of languages to enable
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# No argument expected, returns the comma-separated language list on stdout
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cc_gcc_lang_list() {
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local lang_list
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lang_list="c"
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[ "${CT_CC_LANG_CXX}" = "y" ] && lang_list+=",c++"
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[ "${CT_CC_LANG_FORTRAN}" = "y" ] && lang_list+=",fortran"
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[ "${CT_CC_LANG_ADA}" = "y" ] && lang_list+=",ada"
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[ "${CT_CC_LANG_JAVA}" = "y" ] && lang_list+=",java"
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[ "${CT_CC_LANG_OBJC}" = "y" ] && lang_list+=",objc"
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[ "${CT_CC_LANG_OBJCXX}" = "y" ] && lang_list+=",obj-c++"
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[ "${CT_CC_LANG_GOLANG}" = "y" ] && lang_list+=",go"
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lang_list+="${CT_CC_LANG_OTHERS:+,${CT_CC_LANG_OTHERS}}"
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printf "%s" "${lang_list}"
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}
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#------------------------------------------------------------------------------
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# Report the type of a GCC option
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cc_gcc_classify_opt() {
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# Options present in multiple architectures
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case "${1}" in
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-march=*) echo "arch"; return;;
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-mabi=*) echo "abi"; return;;
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-mcpu=*|-mmcu=*) echo "cpu"; return;;
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-mtune=*) echo "tune"; return;;
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-mfpu=*) echo "fpu"; return;;
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-mhard-float|-msoft-float|-mno-soft-float|-mno-float|-mfloat-abi=*|\
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-mfpu|-mno-fpu) echo "float"; return;;
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-EB|-EL|-mbig-endian|-mlittle-endian|-mbig|-mlittle|-meb|-mel|-mb|-ml) echo "endian"; return;;
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-mthumb|-marm) echo "mode"; return;;
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esac
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# Arch-specific options and aliases
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case "${CT_ARCH}" in
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m68k)
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case "${1}" in
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-m68881) echo "float"; return;;
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-m5[234]*|-mcfv4e) echo "cpu"; return;;
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-m68*|-mc68*) echo "arch"; return;;
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esac
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;;
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mips)
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case "${1}" in
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-mips[1234]|-mips32|-mips32r*|-mips64|-mips64r*) echo "cpu"; return;;
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esac
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;;
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sh)
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case "${1}" in
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-m[12345]*) echo "cpu"; return;;
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esac
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esac
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# All tried and failed
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echo "unknown"
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}
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evaluate_multilib_cflags()
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{
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local multi_dir multi_os_dir multi_os_dir_gcc multi_root multi_flags multi_index multi_count
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local mdir mdir_os dirtop
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local f
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for arg in "$@"; do
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eval "${arg// /\\ }"
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done
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mdir="lib/${multi_dir}"
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mdir_os="lib/${multi_os_dir_gcc}"
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CT_SanitizeVarDir mdir mdir_os
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CT_DoLog EXTRA " '${multi_flags}' --> ${mdir} (gcc) ${mdir_os} (os)"
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for f in ${multi_flags}; do
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eval ml_`cc_gcc_classify_opt ${f}`=seen
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done
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if [ "${CT_DEMULTILIB}" = "y" -a "${CT_USE_SYSROOT}" = "y" ]; then
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case "${mdir_os}" in
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lib/*)
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;;
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*)
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dirtop="${mdir_os%%/*}"
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if [ ! -e "${multi_root}/${mdir_os}" ]; then
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CT_DoExecLog ALL ln -sfv lib "${multi_root}/${mdir_os}"
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fi
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if [ ! -e "${multi_root}/usr/${mdir_os}" ]; then
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CT_DoExecLog ALL ln -sfv lib "${multi_root}/usr/${mdir_os}"
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fi
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;;
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esac
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fi
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}
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#------------------------------------------------------------------------------
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# This function lists the multilibs configured in the compiler (even if multilib
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# is disabled - so that it lists the default GCC/OS directory, which may differ
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# from the default 'lib'). It then performs a few multilib checks/quirks:
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#
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# 1. On MIPS target, gcc (or rather, ld, which it invokes under the hood) chokes
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# if supplied with two -mabi=* options. I.e., 'gcc -mabi=n32' and 'gcc -mabi=32' both
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# work, but 'gcc -mabi=32 -mabi=n32' produces an internal error in ld. Thus we do
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# not supply target's CFLAGS in multilib builds - and after compiling pass-1 gcc,
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# attempt to determine which CFLAGS need to be filtered out.
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#
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# 2. If "demultilibing" is in effect, create top-level directories for any
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# multilibs not in lib/ as symlinks to lib.
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cc_gcc_multilib_housekeeping() {
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local cc host
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local ml_arch ml_abi ml_cpu ml_tune ml_fpu ml_float ml_endian ml_mode ml_unknown ml
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local new_cflags
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for arg in "$@"; do
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eval "${arg// /\\ }"
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done
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if [ \( "${CT_CANADIAN}" = "y" -o "${CT_CROSS_NATIVE}" = "y" \) -a "${host}" = "${CT_HOST}" ]; then
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CT_DoLog EXTRA "Canadian Cross/Cross-native unable to confirm multilibs configuration "\
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"directly; will use build-compiler for housekeeping."
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# Since we cannot run the desired compiler, substitute build-CC with the assumption
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# that the host-CC is configured in the same way.
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cc="${CT_BUILDTOOLS_PREFIX_DIR}/bin/${CT_TARGET}-${CT_CC}"
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fi
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CT_IterateMultilibs evaluate_multilib_cflags evaluate_cflags
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if [ -n "${CT_MULTILIB}" ]; then
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# Filtering out some of the options provided in CT-NG config. Then *prepend*
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# them to CT_TARGET_CFLAGS, like scripts/crosstool-NG.sh does. Zero out
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# the stashed MULTILIB flags so that we don't process them again in the passes
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# that follow.
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CT_DoLog DEBUG "Configured target CFLAGS: '${CT_ARCH_TARGET_CFLAGS_MULTILIB}'"
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ml_unknown= # Pass through anything we don't know about
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for f in ${CT_ARCH_TARGET_CFLAGS_MULTILIB}; do
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eval ml=\$ml_`cc_gcc_classify_opt ${f}`
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if [ "${ml}" != "seen" ]; then
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new_cflags="${new_cflags} ${f}"
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fi
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done
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CT_DoLog DEBUG "Filtered target CFLAGS: '${new_cflags}'"
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CT_EnvModify CT_ALL_TARGET_CFLAGS "${new_cflags} ${CT_TARGET_CFLAGS}"
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CT_EnvModify CT_ARCH_TARGET_CFLAGS_MULTILIB ""
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# Currently, the only LDFLAGS are endianness-related
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CT_DoLog DEBUG "Configured target LDFLAGS: '${CT_ARCH_TARGET_LDFLAGS_MULTILIB}'"
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if [ "${ml_endian}" != "seen" ]; then
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CT_EnvModify CT_ALL_TARGET_LDFLAGS "${CT_ARCH_TARGET_LDFLAGS_MULTILIB} ${CT_TARGET_LDFLAGS}"
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CT_EnvModify CT_ARCH_TARGET_LDFLAGS_MULTILIB ""
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fi
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CT_DoLog DEBUG "Filtered target LDFLAGS: '${CT_ARCH_TARGET_LDFLAGS_MULTILIB}'"
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fi
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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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local -a core_opts
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if [ "${CT_CC_CORE_PASS_1_NEEDED}" != "y" ]; then
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return 0
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fi
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core_opts+=( "mode=static" )
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core_opts+=( "host=${CT_BUILD}" )
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core_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )
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core_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
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core_opts+=( "cflags=${CT_CFLAGS_FOR_BUILD}" )
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core_opts+=( "ldflags=${CT_LDFLAGS_FOR_BUILD}" )
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core_opts+=( "lang_list=c" )
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core_opts+=( "build_step=core1" )
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CT_DoStep INFO "Installing pass-1 core C gcc compiler"
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CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-gcc-core-pass-1"
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do_gcc_core_backend "${core_opts[@]}"
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CT_Popd
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CT_EndStep
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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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local -a core_opts
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if [ "${CT_CC_CORE_PASS_2_NEEDED}" != "y" ]; then
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return 0
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fi
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# Common options:
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core_opts+=( "host=${CT_BUILD}" )
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core_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
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core_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )
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core_opts+=( "cflags=${CT_CFLAGS_FOR_BUILD}" )
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core_opts+=( "ldflags=${CT_LDFLAGS_FOR_BUILD}" )
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core_opts+=( "lang_list=c" )
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core_opts+=( "build_step=core2" )
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# Different conditions are at stake here:
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# - In case the threading model is NPTL, we need a shared-capable core
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# gcc; in all other cases, we need a static-only core gcc.
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# - In case the threading model is NPTL or win32, or gcc is 4.3 or
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# later, we need to build libgcc
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case "${CT_THREADS}" in
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nptl)
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if [ "${CT_SHARED_LIBS}" = "y" ]; then
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core_opts+=( "mode=shared" )
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else
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core_opts+=( "mode=static" )
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fi
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core_opts+=( "build_libgcc=yes" )
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;;
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win32)
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core_opts+=( "mode=static" )
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core_opts+=( "build_libgcc=yes" )
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;;
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*)
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core_opts+=( "mode=static" )
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core_opts+=( "build_libgcc=yes" )
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;;
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esac
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CT_DoStep INFO "Installing pass-2 core C gcc compiler"
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CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-gcc-core-pass-2"
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do_gcc_core_backend "${core_opts[@]}"
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CT_Popd
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CT_EndStep
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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 the core C compiler.
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# Usage: do_gcc_core_backend param=value [...]
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# Parameter : Definition : Type : Default
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# mode : build a 'static', 'shared' or 'baremetal' : string : (none)
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# host : the machine the core will run on : tuple : (none)
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# prefix : dir prefix to install into : dir : (none)
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# complibs : dir where complibs are installed : dir : (none)
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# lang_list : the list of languages to build : string : (empty)
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# build_libgcc : build libgcc or not : bool : no
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# build_libstdcxx : build libstdc++ or not : bool : no
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# build_libgfortran : build libgfortran or not : bool : no
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# build_staticlinked : build statically linked or not : bool : no
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# build_manuals : whether to build manuals or not : bool : no
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# cflags : cflags to use : string : (empty)
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# ldflags : ldflags to use : string : (empty)
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# build_step : build step 'core1', 'core2', 'gcc_build'
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# or 'gcc_host' : string : (none)
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# Usage: do_gcc_core_backend mode=[static|shared|baremetal] build_libgcc=[yes|no] build_staticlinked=[yes|no]
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do_gcc_core_backend() {
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local mode
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local build_libgcc=no
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local build_libstdcxx=no
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local build_libgfortran=no
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local build_staticlinked=no
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local build_manuals=no
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local host
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local prefix
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local complibs
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local lang_list
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local cflags
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local cflags_for_build
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local ldflags
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local build_step
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local log_txt
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local tmp
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local -a host_libstdcxx_flags
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local -a extra_config
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local -a core_LDFLAGS
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local -a core_targets
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local -a core_targets_all
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local -a core_targets_install
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local -a extra_user_config
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local arg
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for arg in "$@"; do
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eval "${arg// /\\ }"
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done
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# This function gets called in case of a bare metal compiler for the final gcc, too.
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case "${build_step}" in
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core1|core2)
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CT_DoLog EXTRA "Configuring core C gcc compiler"
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log_txt="gcc"
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extra_config+=( "${CT_CC_CORE_SYSROOT_ARG[@]}" )
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extra_user_config=( "${CT_CC_GCC_CORE_EXTRA_CONFIG_ARRAY[@]}" )
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;;
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gcc_build|gcc_host)
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CT_DoLog EXTRA "Configuring final gcc compiler"
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extra_config+=( "${CT_CC_SYSROOT_ARG[@]}" )
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extra_user_config=( "${CT_CC_GCC_EXTRA_CONFIG_ARRAY[@]}" )
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log_txt="final gcc compiler"
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# to inhibit the libiberty and libgcc tricks later on
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build_libgcc=no
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;;
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*)
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CT_Abort "Internal Error: 'build_step' must be one of: 'core1', 'core2', 'gcc_build' or 'gcc_host', not '${build_step:-(empty)}'"
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;;
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esac
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case "${mode}" in
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static)
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extra_config+=("--with-newlib")
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extra_config+=("--enable-threads=no")
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extra_config+=("--disable-shared")
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;;
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shared)
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extra_config+=("--enable-shared")
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;;
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baremetal)
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extra_config+=("--with-newlib")
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extra_config+=("--enable-threads=no")
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extra_config+=("--disable-shared")
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;;
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*)
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CT_Abort "Internal Error: 'mode' must be one of: 'static', 'shared' or 'baremetal', not '${mode:-(empty)}'"
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;;
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esac
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case "${build_step}" in
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core2|gcc_build)
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CT_DoLog DEBUG "Copying headers to install area of core C compiler"
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CT_DoExecLog ALL cp -a "${CT_HEADERS_DIR}" "${prefix}/${CT_TARGET}/include"
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esac
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for tmp in ARCH ABI CPU TUNE FPU FLOAT ENDIAN; do
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eval tmp="\${CT_ARCH_WITH_${tmp}}"
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if [ -n "${tmp}" ]; then
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extra_config+=("${tmp}")
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fi
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done
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[ -n "${CT_PKGVERSION}" ] && extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
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[ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
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if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
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extra_config+=("--enable-__cxa_atexit")
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else
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extra_config+=("--disable-__cxa_atexit")
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fi
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if [ -n "${CT_CC_GCC_ENABLE_CXX_FLAGS}" \
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-a "${mode}" = "baremetal" ]; then
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extra_config+=("--enable-cxx-flags=${CT_CC_GCC_ENABLE_CXX_FLAGS}")
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fi
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extra_config+=(--disable-libgomp)
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extra_config+=(--disable-libmudflap)
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extra_config+=(--disable-libmpx)
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if [ "${CT_CC_GCC_LIBSSP}" = "y" ]; then
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extra_config+=(--enable-libssp)
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else
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extra_config+=(--disable-libssp)
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fi
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if [ "${CT_CC_GCC_LIBQUADMATH}" = "y" ]; then
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extra_config+=(--enable-libquadmath)
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extra_config+=(--enable-libquadmath-support)
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else
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extra_config+=(--disable-libquadmath)
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extra_config+=(--disable-libquadmath-support)
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fi
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core_LDFLAGS+=("${ldflags}")
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# *** WARNING ! ***
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# Keep this full if-else-if-elif-fi-fi block in sync
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# with the same block in do_gcc_backend, below.
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if [ "${build_staticlinked}" = "yes" ]; then
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core_LDFLAGS+=("-static")
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host_libstdcxx_flags+=("-static-libgcc")
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host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")
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host_libstdcxx_flags+=("-lm")
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# Companion libraries are build static (eg !shared), so
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# the libstdc++ is not pulled automatically, although it
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# is needed. Shoe-horn it in our LDFLAGS
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# Ditto libm on some Fedora boxen
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core_LDFLAGS+=("-lstdc++")
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core_LDFLAGS+=("-lm")
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else
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if [ "${CT_CC_GCC_STATIC_LIBSTDCXX}" = "y" ]; then
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# this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2
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|
# build script
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# INFO: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,
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# see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html
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host_libstdcxx_flags+=("-static-libgcc")
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host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")
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host_libstdcxx_flags+=("-lm")
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fi
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# When companion libraries are build static (eg !shared),
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# the libstdc++ is not pulled automatically, although it
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# is needed. Shoe-horn it in our LDFLAGS
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# Ditto libm on some Fedora boxen
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core_LDFLAGS+=("-lstdc++")
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core_LDFLAGS+=("-lm")
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fi
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extra_config+=("--with-gmp=${complibs}")
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extra_config+=("--with-mpfr=${complibs}")
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extra_config+=("--with-mpc=${complibs}")
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if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then
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if [ "${CT_ISL}" = "y" ]; then
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extra_config+=("--with-isl=${complibs}")
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fi
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if [ "${CT_CLOOG}" = "y" ]; then
|
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extra_config+=("--with-cloog=${complibs}")
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fi
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else
|
|
extra_config+=("--with-isl=no")
|
|
extra_config+=("--with-cloog=no")
|
|
fi
|
|
if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then
|
|
extra_config+=("--enable-lto")
|
|
else
|
|
extra_config+=("--disable-lto")
|
|
fi
|
|
|
|
if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then
|
|
extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")
|
|
fi
|
|
|
|
if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
|
|
extra_config+=("--enable-target-optspace")
|
|
fi
|
|
if [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ]; then
|
|
extra_config+=("--disable-libstdcxx-pch")
|
|
fi
|
|
|
|
if [ "${CT_LIBC_GLIBC}" = "y" ]; then
|
|
# Report GLIBC's version to GCC, it affects the defaults on other options.
|
|
# Pass-2 should be able to get it from the headers, but for some options
|
|
# (such as --with-long-double-128) we need to get it right even in pass-1.
|
|
# GCC expects just two numbers separated by a dot.
|
|
local glibc_version
|
|
|
|
CT_GetPkgVersion GLIBC glibc_version
|
|
case "${glibc_version}" in
|
|
new) glibc_version=99.99;;
|
|
old) glibc_version=1.0;;
|
|
*) glibc_version=`echo "${glibc_version}" | sed 's/\([1-9][0-9]*\.[1-9][0-9]*\).*/\1/'`;;
|
|
esac
|
|
extra_config+=("--with-glibc-version=${glibc_version}")
|
|
fi
|
|
|
|
case "${CT_CC_GCC_LDBL_128}" in
|
|
y) extra_config+=("--with-long-double-128");;
|
|
m) ;;
|
|
"") extra_config+=("--without-long-double-128");;
|
|
esac
|
|
|
|
if [ "${CT_CC_GCC_BUILD_ID}" = "y" ]; then
|
|
extra_config+=( --enable-linker-build-id )
|
|
fi
|
|
|
|
case "${CT_CC_GCC_LNK_HASH_STYLE}" in
|
|
"") ;;
|
|
*) extra_config+=( "--with-linker-hash-style=${CT_CC_GCC_LNK_HASH_STYLE}" );;
|
|
esac
|
|
|
|
case "${CT_CC_GCC_DEC_FLOATS}" in
|
|
"") ;;
|
|
*) extra_config+=( "--enable-decimal-float=${CT_CC_GCC_DEC_FLOATS}" );;
|
|
esac
|
|
|
|
case "${CT_ARCH}" in
|
|
mips)
|
|
case "${CT_CC_GCC_mips_llsc}" in
|
|
y) extra_config+=( --with-llsc );;
|
|
m) ;;
|
|
*) extra_config+=( --without-llsc );;
|
|
esac
|
|
case "${CT_CC_GCC_mips_synci}" in
|
|
y) extra_config+=( --with-synci );;
|
|
m) ;;
|
|
*) extra_config+=( --without-synci );;
|
|
esac
|
|
if [ "${CT_CC_GCC_mips_plt}" ]; then
|
|
extra_config+=( --with-mips-plt )
|
|
fi
|
|
;; # ARCH is mips
|
|
esac
|
|
|
|
if [ "${CT_TOOLCHAIN_ENABLE_NLS}" = "y" ]; then
|
|
extra_config+=("--with-libintl-prefix=${complibs}")
|
|
else
|
|
extra_config+=("--disable-nls")
|
|
fi
|
|
|
|
if [ "${CT_CC_GCC_SYSTEM_ZLIB}" = "y" ]; then
|
|
extra_config+=("--with-system-zlib")
|
|
fi
|
|
|
|
case "${CT_CC_GCC_CONFIG_TLS}" in
|
|
y) extra_config+=("--enable-tls");;
|
|
m) ;;
|
|
"") extra_config+=("--disable-tls");;
|
|
esac
|
|
|
|
# Some versions of gcc have a defective --enable-multilib.
|
|
# Since that's the default, only pass --disable-multilib. For multilib,
|
|
# also enable multiarch. Without explicit --enable-multiarch, pass-1
|
|
# compiler is configured as multilib/no-multiarch and pass-2/final
|
|
# are multilib/multiarch (because gcc autodetects multiarch based on
|
|
# multiple instances of crt*.o in the install directory - which do
|
|
# not exist in pass-1).
|
|
if [ "${CT_MULTILIB}" != "y" ]; then
|
|
extra_config+=("--disable-multilib")
|
|
else
|
|
extra_config+=("--enable-multiarch")
|
|
if [ -n "${CT_CC_GCC_MULTILIB_LIST}" ]; then
|
|
extra_config+=("--with-multilib-list=${CT_CC_GCC_MULTILIB_LIST}")
|
|
fi
|
|
fi
|
|
|
|
CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
|
|
|
|
# We may need to modify host/build CFLAGS separately below
|
|
cflags_for_build="${CT_CFLAGS_FOR_BUILD}"
|
|
|
|
# Clang's default bracket-depth is 256, and building GCC
|
|
# requires somewhere between 257 and 512.
|
|
if [ "${host}" = "${CT_BUILD}" ]; then
|
|
if ${CT_BUILD}-gcc --version 2>&1 | grep clang; then
|
|
cflags="$cflags "-fbracket-depth=512
|
|
cflags_for_build="$cflags_for_build "-fbracket-depth=512
|
|
fi
|
|
else
|
|
# FIXME we currently don't support clang as host compiler, only as build
|
|
if ${CT_BUILD}-gcc --version 2>&1 | grep clang; then
|
|
cflags_for_build="$cflags_for_build "-fbracket-depth=512
|
|
fi
|
|
fi
|
|
|
|
# Use --with-local-prefix so older gccs don't look in /usr/local (http://gcc.gnu.org/PR10532).
|
|
# Pass only user-specified CFLAGS/LDFLAGS in CFLAGS_FOR_TARGET/LDFLAGS_FOR_TARGET: during
|
|
# the build of, for example, libatomic, GCC tried to compile multiple variants for runtime
|
|
# selection and passing architecture/CPU selectors, as detemined by crosstool-NG, may
|
|
# miscompile or outright fail.
|
|
CT_DoExecLog CFG \
|
|
CC_FOR_BUILD="${CT_BUILD}-gcc" \
|
|
CFLAGS="${cflags}" \
|
|
CFLAGS_FOR_BUILD="${cflags_for_build}" \
|
|
CXXFLAGS="${cflags}" \
|
|
CXXFLAGS_FOR_BUILD="${cflags_for_build}" \
|
|
LDFLAGS="${core_LDFLAGS[*]}" \
|
|
CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
|
|
CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
|
|
LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}" \
|
|
${CONFIG_SHELL} \
|
|
"${CT_SRC_DIR}/gcc/configure" \
|
|
--build=${CT_BUILD} \
|
|
--host=${host} \
|
|
--target=${CT_TARGET} \
|
|
--prefix="${prefix}" \
|
|
--with-local-prefix="${CT_SYSROOT_DIR}" \
|
|
"${extra_config[@]}" \
|
|
--enable-languages="${lang_list}" \
|
|
"${extra_user_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}/gcc/gcc/BASE-VER" ]; then
|
|
CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty
|
|
CT_DoExecLog ALL make ${JOBSFLAGS} -C libiberty libiberty.a
|
|
CT_DoExecLog CFG make ${JOBSFLAGS} configure-gcc configure-libcpp
|
|
CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp
|
|
else
|
|
CT_DoExecLog CFG make ${JOBSFLAGS} configure-gcc configure-libcpp configure-build-libiberty
|
|
CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp all-build-libiberty
|
|
fi
|
|
# HACK: gcc-4.2 uses libdecnumber to build libgcc.mk, so build it here.
|
|
if [ -d "${CT_SRC_DIR}/gcc/libdecnumber" ]; then
|
|
CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber
|
|
CT_DoExecLog ALL make ${JOBSFLAGS} -C libdecnumber libdecnumber.a
|
|
fi
|
|
# HACK: gcc-4.8 uses libbacktrace to make libgcc.mvars, so make it here.
|
|
if [ -d "${CT_SRC_DIR}/gcc/libbacktrace" ]; then
|
|
CT_DoExecLog CFG make ${JOBSFLAGS} configure-libbacktrace
|
|
CT_DoExecLog ALL make ${JOBSFLAGS} -C libbacktrace
|
|
fi
|
|
|
|
libgcc_rule="libgcc.mvars"
|
|
core_targets=( gcc target-libgcc )
|
|
|
|
# On bare metal and canadian build the host-compiler is used when
|
|
# actually the build-system compiler is required. Choose the correct
|
|
# compilers for canadian build and use the defaults on other
|
|
# configurations.
|
|
if [ "${CT_BARE_METAL},${CT_CANADIAN}" = "y,y" ]; then
|
|
repair_cc="CC_FOR_BUILD=${CT_BUILD}-gcc \
|
|
CXX_FOR_BUILD=${CT_BUILD}-g++ \
|
|
GCC_FOR_TARGET=${CT_TARGET}-${CT_CC}"
|
|
else
|
|
repair_cc=""
|
|
fi
|
|
|
|
CT_DoExecLog ALL make ${JOBSFLAGS} -C gcc ${libgcc_rule} \
|
|
${repair_cc}
|
|
sed -r -i -e 's@-lc@@g' gcc/${libgcc_rule}
|
|
else # build_libgcc
|
|
core_targets=( gcc )
|
|
fi # ! build libgcc
|
|
if [ "${build_libstdcxx}" = "yes" \
|
|
-a "${CT_CC_LANG_CXX}" = "y" \
|
|
]; then
|
|
core_targets+=( target-libstdc++-v3 )
|
|
fi
|
|
|
|
if [ "${build_libgfortran}" = "yes" \
|
|
-a "${CT_CC_LANG_FORTRAN}" = "y" \
|
|
]; then
|
|
core_targets+=( target-libgfortran )
|
|
fi
|
|
|
|
core_targets_all="${core_targets[@]/#/all-}"
|
|
core_targets_install="${core_targets[@]/#/install-}"
|
|
|
|
case "${build_step}" in
|
|
gcc_build|gcc_host)
|
|
core_targets_all=all
|
|
core_targets_install=install
|
|
;;
|
|
esac
|
|
|
|
CT_DoLog EXTRA "Building ${log_txt}"
|
|
CT_DoExecLog ALL make ${JOBSFLAGS} ${core_targets_all}
|
|
|
|
# Do not pass ${JOBSFLAGS} here: recent GCC builds have been failing
|
|
# in parallel 'make install' at random locations: libitm, libcilk,
|
|
# always for the files that are installed more than once to the same
|
|
# location (such as libitm.info).
|
|
# The symptom is that the install command fails with "File exists"
|
|
# error; running the same command manually succeeds. It looks like
|
|
# attempts to remove the destination and re-create it, but another
|
|
# install gets in the way.
|
|
CT_DoLog EXTRA "Installing ${log_txt}"
|
|
CT_DoExecLog ALL make ${core_targets_install}
|
|
|
|
# Remove the libtool "pseudo-libraries": having them in the installed
|
|
# tree makes the libtoolized utilities that are built next assume
|
|
# that, for example, libsupc++ is an "accessory library", and not include
|
|
# -lsupc++ to the link flags. That breaks ltrace, for example.
|
|
CT_DoLog EXTRA "Housekeeping for core gcc compiler"
|
|
CT_Pushd "${prefix}"
|
|
find . -type f -name "*.la" -exec rm {} \; |CT_DoLog ALL
|
|
CT_Popd
|
|
|
|
if [ "${build_manuals}" = "yes" ]; then
|
|
CT_DoLog EXTRA "Building the GCC manuals"
|
|
CT_DoExecLog ALL make pdf html
|
|
CT_DoLog EXTRA "Installing the GCC manuals"
|
|
CT_DoExecLog ALL make install-{pdf,html}-gcc
|
|
fi
|
|
|
|
# Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-${CT_CC} to always be able
|
|
# to call the C compiler with the same, somewhat canonical name.
|
|
# check whether compiler has an extension
|
|
file="$( ls -1 "${prefix}/bin/${CT_TARGET}-${CT_CC}."* 2>/dev/null || true )"
|
|
[ -z "${file}" ] || ext=".${file##*.}"
|
|
if [ -f "${prefix}/bin/${CT_TARGET}-${CT_CC}${ext}" ]; then
|
|
CT_DoExecLog ALL ln -sfv "${CT_TARGET}-${CT_CC}${ext}" "${prefix}/bin/${CT_TARGET}-cc${ext}"
|
|
fi
|
|
|
|
cc_gcc_multilib_housekeeping cc="${prefix}/bin/${CT_TARGET}-${CT_CC}" \
|
|
host="${host}"
|
|
|
|
# If binutils want the LTO plugin, point them to it
|
|
if [ -d "${CT_PREFIX_DIR}/lib/bfd-plugins" -a "${build_step}" = "gcc_host" ]; then
|
|
local gcc_version=$(cat "${CT_SRC_DIR}/gcc/gcc/BASE-VER" )
|
|
CT_DoExecLog ALL ln -sfv "../../libexec/gcc/${CT_TARGET}/${gcc_version}/liblto_plugin.so" \
|
|
"${CT_PREFIX_DIR}/lib/bfd-plugins/liblto_plugin.so"
|
|
fi
|
|
}
|
|
|
|
#------------------------------------------------------------------------------
|
|
# Build complete gcc to run on build
|
|
do_cc_for_build() {
|
|
local -a build_final_opts
|
|
local build_final_backend
|
|
|
|
# If native or simple cross toolchain is being built, then build==host;
|
|
# nothing to do.
|
|
case "${CT_TOOLCHAIN_TYPE}" in
|
|
native|cross) return 0;;
|
|
esac
|
|
|
|
build_final_opts+=( "host=${CT_BUILD}" )
|
|
build_final_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
|
|
build_final_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )
|
|
build_final_opts+=( "cflags=${CT_CFLAGS_FOR_BUILD}" )
|
|
build_final_opts+=( "ldflags=${CT_LDFLAGS_FOR_BUILD}" )
|
|
build_final_opts+=( "lang_list=$( cc_gcc_lang_list )" )
|
|
build_final_opts+=( "build_step=gcc_build" )
|
|
if [ "${CT_BARE_METAL}" = "y" ]; then
|
|
# In the tests I've done, bare-metal was not impacted by the
|
|
# lack of such a compiler, but better safe than sorry...
|
|
build_final_opts+=( "mode=baremetal" )
|
|
build_final_opts+=( "build_libgcc=yes" )
|
|
build_final_opts+=( "build_libstdcxx=yes" )
|
|
build_final_opts+=( "build_libgfortran=yes" )
|
|
if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
|
|
build_final_opts+=( "build_staticlinked=yes" )
|
|
fi
|
|
build_final_backend=do_gcc_core_backend
|
|
else
|
|
build_final_backend=do_gcc_backend
|
|
fi
|
|
|
|
CT_DoStep INFO "Installing final gcc compiler for build"
|
|
CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-gcc-final-build-${CT_BUILD}"
|
|
|
|
"${build_final_backend}" "${build_final_opts[@]}"
|
|
|
|
CT_Popd
|
|
CT_EndStep
|
|
}
|
|
|
|
gcc_movelibs()
|
|
{
|
|
local multi_flags multi_dir multi_os_dir multi_os_dir_gcc multi_root multi_index multi_count
|
|
local gcc_dir dst_dir canon_root canon_prefix
|
|
local rel
|
|
|
|
for arg in "$@"; do
|
|
eval "${arg// /\\ }"
|
|
done
|
|
|
|
# GCC prints the sysroot in canonicalized form, which may be different if there
|
|
# is a symlink in the path. Since we need textual match to obtain a relative
|
|
# subdirectory path, canonicalize the prefix directory. Since GCC's behavior
|
|
# is not documented and hence may change at any time, canonicalize it too just
|
|
# for the good measure.
|
|
canon_root=$( cd "${multi_root}" && pwd -P )
|
|
canon_prefix=$( cd "${CT_PREFIX_DIR}" && pwd -P )
|
|
|
|
# Move only files, directories are for other multilibs. We're looking inside
|
|
# GCC's directory structure, thus use unmangled multi_os_dir that GCC reports.
|
|
gcc_dir="${CT_PREFIX_DIR}/${CT_TARGET}/lib/${multi_os_dir_gcc}"
|
|
if [ ! -d "${gcc_dir}" ]; then
|
|
# GCC didn't install anything outside of sysroot
|
|
return
|
|
fi
|
|
# Depending on the selected libc, we may or may not have the ${multi_os_dir_gcc}
|
|
# created by libc installation. If we do, use it. If we don't, use ${multi_os_dir}
|
|
# to avoid creating an otherwise empty directory.
|
|
dst_dir="${canon_root}/lib/${multi_os_dir_gcc}"
|
|
if [ ! -d "${dst_dir}" ]; then
|
|
dst_dir="${canon_root}/lib/${multi_os_dir}"
|
|
fi
|
|
CT_SanitizeVarDir dst_dir gcc_dir
|
|
rel=$( echo "${gcc_dir#${CT_PREFIX_DIR}/}" | sed 's#[^/]\{1,\}#..#g' )
|
|
|
|
ls "${gcc_dir}" | while read f; do
|
|
case "${f}" in
|
|
*.ld)
|
|
# Linker scripts remain in GCC's directory; elf2flt insists on
|
|
# finding them there.
|
|
continue
|
|
;;
|
|
esac
|
|
if [ -f "${gcc_dir}/${f}" ]; then
|
|
CT_DoExecLog ALL mkdir -p "${dst_dir}"
|
|
CT_DoExecLog ALL mv "${gcc_dir}/${f}" "${dst_dir}/${f}"
|
|
CT_DoExecLog ALL ln -sf "${rel}/${dst_dir#${canon_prefix}/}/${f}" "${gcc_dir}/${f}"
|
|
fi
|
|
done
|
|
}
|
|
|
|
#------------------------------------------------------------------------------
|
|
# Build final gcc to run on host
|
|
do_cc_for_host() {
|
|
local -a final_opts
|
|
local final_backend
|
|
|
|
final_opts+=( "host=${CT_HOST}" )
|
|
final_opts+=( "prefix=${CT_PREFIX_DIR}" )
|
|
final_opts+=( "complibs=${CT_HOST_COMPLIBS_DIR}" )
|
|
final_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
|
|
final_opts+=( "ldflags=${CT_LDFLAGS_FOR_HOST}" )
|
|
final_opts+=( "lang_list=$( cc_gcc_lang_list )" )
|
|
final_opts+=( "build_step=gcc_host" )
|
|
if [ "${CT_BUILD_MANUALS}" = "y" ]; then
|
|
final_opts+=( "build_manuals=yes" )
|
|
fi
|
|
if [ "${CT_BARE_METAL}" = "y" ]; then
|
|
final_opts+=( "mode=baremetal" )
|
|
final_opts+=( "build_libgcc=yes" )
|
|
final_opts+=( "build_libstdcxx=yes" )
|
|
final_opts+=( "build_libgfortran=yes" )
|
|
if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
|
|
final_opts+=( "build_staticlinked=yes" )
|
|
fi
|
|
final_backend=do_gcc_core_backend
|
|
else
|
|
final_backend=do_gcc_backend
|
|
fi
|
|
|
|
CT_DoStep INFO "Installing final gcc compiler"
|
|
CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-gcc-final"
|
|
"${final_backend}" "${final_opts[@]}"
|
|
CT_Popd
|
|
|
|
# GCC installs stuff (including libgcc) into its own /lib dir,
|
|
# outside of sysroot, breaking linking with -static-libgcc.
|
|
# Fix up by moving the libraries into the sysroot.
|
|
if [ "${CT_USE_SYSROOT}" = "y" ]; then
|
|
CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-gcc-final-movelibs"
|
|
CT_IterateMultilibs gcc_movelibs movelibs
|
|
CT_Popd
|
|
fi
|
|
|
|
CT_EndStep
|
|
}
|
|
|
|
#------------------------------------------------------------------------------
|
|
# Build the final gcc
|
|
# Usage: do_gcc_backend param=value [...]
|
|
# Parameter : Definition : Type : Default
|
|
# host : the host we run onto : tuple : (none)
|
|
# prefix : the runtime prefix : dir : (none)
|
|
# complibs : the companion libraries prefix : dir : (none)
|
|
# cflags : cflags to use : string : (empty)
|
|
# ldflags : ldflags to use : string : (empty)
|
|
# lang_list : the list of languages to build : string : (empty)
|
|
# build_manuals : whether to build manuals or not : bool : no
|
|
do_gcc_backend() {
|
|
local host
|
|
local prefix
|
|
local complibs
|
|
local lang_list
|
|
local cflags
|
|
local cflags_for_build
|
|
local ldflags
|
|
local build_manuals
|
|
local -a host_libstdcxx_flags
|
|
local -a extra_config
|
|
local -a final_LDFLAGS
|
|
local tmp
|
|
local arg
|
|
|
|
for arg in "$@"; do
|
|
eval "${arg// /\\ }"
|
|
done
|
|
|
|
CT_DoLog EXTRA "Configuring final gcc compiler"
|
|
|
|
# Enable selected languages
|
|
extra_config+=("--enable-languages=${lang_list}")
|
|
|
|
for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
|
|
eval tmp="\${CT_ARCH_WITH_${tmp}}"
|
|
if [ -n "${tmp}" ]; then
|
|
extra_config+=("${tmp}")
|
|
fi
|
|
done
|
|
|
|
[ -n "${CT_PKGVERSION}" ] && extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
|
|
[ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
|
|
|
|
if [ "${CT_SHARED_LIBS}" != "y" ]; then
|
|
extra_config+=("--disable-shared")
|
|
fi
|
|
|
|
case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in
|
|
y) extra_config+=("--enable-sjlj-exceptions");;
|
|
m) ;;
|
|
"") extra_config+=("--disable-sjlj-exceptions");;
|
|
esac
|
|
if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
|
|
extra_config+=("--enable-__cxa_atexit")
|
|
else
|
|
extra_config+=("--disable-__cxa_atexit")
|
|
fi
|
|
|
|
if [ -n "${CT_CC_GCC_ENABLE_CXX_FLAGS}" ]; then
|
|
extra_config+=("--enable-cxx-flags=${CT_CC_GCC_ENABLE_CXX_FLAGS}")
|
|
fi
|
|
|
|
if [ "${CT_THREADS}" = "none" ]; then
|
|
extra_config+=(--disable-libatomic)
|
|
fi
|
|
if [ "${CT_CC_GCC_LIBMUDFLAP}" = "y" ]; then
|
|
extra_config+=(--enable-libmudflap)
|
|
else
|
|
extra_config+=(--disable-libmudflap)
|
|
fi
|
|
if [ "${CT_CC_GCC_LIBGOMP}" = "y" ]; then
|
|
extra_config+=(--enable-libgomp)
|
|
else
|
|
extra_config+=(--disable-libgomp)
|
|
fi
|
|
if [ "${CT_CC_GCC_LIBSSP}" = "y" ]; then
|
|
extra_config+=(--enable-libssp)
|
|
else
|
|
extra_config+=(--disable-libssp)
|
|
fi
|
|
if [ "${CT_CC_GCC_LIBQUADMATH}" = "y" ]; then
|
|
extra_config+=(--enable-libquadmath)
|
|
extra_config+=(--enable-libquadmath-support)
|
|
else
|
|
extra_config+=(--disable-libquadmath)
|
|
extra_config+=(--disable-libquadmath-support)
|
|
fi
|
|
|
|
if [ "${CT_CC_GCC_LIBSANITIZER}" = "y" ]; then
|
|
extra_config+=(--enable-libsanitizer)
|
|
else
|
|
extra_config+=(--disable-libsanitizer)
|
|
fi
|
|
|
|
if [ "${CT_CC_GCC_HAS_LIBMPX}" = "y" ]; then
|
|
if [ "${CT_CC_GCC_LIBMPX}" = "y" ]; then
|
|
extra_config+=(--enable-libmpx)
|
|
else
|
|
extra_config+=(--disable-libmpx)
|
|
fi
|
|
fi
|
|
|
|
final_LDFLAGS+=("${ldflags}")
|
|
|
|
# *** WARNING ! ***
|
|
# Keep this full if-else-if-elif-fi-fi block in sync
|
|
# with the same block in do_gcc_core_backend, above.
|
|
if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
|
|
final_LDFLAGS+=("-static")
|
|
host_libstdcxx_flags+=("-static-libgcc")
|
|
host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")
|
|
host_libstdcxx_flags+=("-lm")
|
|
# Companion libraries are build static (eg !shared), so
|
|
# the libstdc++ is not pulled automatically, although it
|
|
# is needed. Shoe-horn it in our LDFLAGS
|
|
# Ditto libm on some Fedora boxen
|
|
final_LDFLAGS+=("-lstdc++")
|
|
final_LDFLAGS+=("-lm")
|
|
else
|
|
if [ "${CT_CC_GCC_STATIC_LIBSTDCXX}" = "y" ]; then
|
|
# this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2
|
|
# build script
|
|
# INFO: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,
|
|
# see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html
|
|
host_libstdcxx_flags+=("-static-libgcc")
|
|
host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")
|
|
host_libstdcxx_flags+=("-lm")
|
|
fi
|
|
# When companion libraries are build static (eg !shared),
|
|
# the libstdc++ is not pulled automatically, although it
|
|
# is needed. Shoe-horn it in our LDFLAGS
|
|
# Ditto libm on some Fedora boxen
|
|
final_LDFLAGS+=("-lstdc++")
|
|
final_LDFLAGS+=("-lm")
|
|
fi
|
|
|
|
extra_config+=("--with-gmp=${complibs}")
|
|
extra_config+=("--with-mpfr=${complibs}")
|
|
extra_config+=("--with-mpc=${complibs}")
|
|
if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then
|
|
if [ "${CT_ISL}" = "y" ]; then
|
|
extra_config+=("--with-isl=${complibs}")
|
|
fi
|
|
if [ "${CT_CLOOG}" = "y" ]; then
|
|
extra_config+=("--with-cloog=${complibs}")
|
|
fi
|
|
else
|
|
extra_config+=("--with-isl=no")
|
|
extra_config+=("--with-cloog=no")
|
|
fi
|
|
if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then
|
|
extra_config+=("--enable-lto")
|
|
else
|
|
extra_config+=("--disable-lto")
|
|
fi
|
|
|
|
if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then
|
|
extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")
|
|
fi
|
|
|
|
if [ "${CT_THREADS}" = "none" ]; then
|
|
extra_config+=("--disable-threads")
|
|
else
|
|
if [ "${CT_THREADS}" = "win32" ]; then
|
|
extra_config+=("--enable-threads=win32")
|
|
extra_config+=("--disable-win32-registry")
|
|
else
|
|
extra_config+=("--enable-threads=posix")
|
|
fi
|
|
fi
|
|
|
|
if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
|
|
extra_config+=("--enable-target-optspace")
|
|
fi
|
|
if [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ]; then
|
|
extra_config+=("--disable-libstdcxx-pch")
|
|
fi
|
|
|
|
case "${CT_CC_GCC_LDBL_128}" in
|
|
y) extra_config+=("--with-long-double-128");;
|
|
m) ;;
|
|
"") extra_config+=("--without-long-double-128");;
|
|
esac
|
|
|
|
if [ "${CT_CC_GCC_BUILD_ID}" = "y" ]; then
|
|
extra_config+=( --enable-linker-build-id )
|
|
fi
|
|
|
|
case "${CT_CC_GCC_LNK_HASH_STYLE}" in
|
|
"") ;;
|
|
*) extra_config+=( "--with-linker-hash-style=${CT_CC_GCC_LNK_HASH_STYLE}" );;
|
|
esac
|
|
|
|
case "${CT_CC_GCC_DEC_FLOATS}" in
|
|
"") ;;
|
|
*) extra_config+=( "--enable-decimal-float=${CT_CC_GCC_DEC_FLOATS}" );;
|
|
esac
|
|
|
|
if [ "${CT_CC_GCC_ENABLE_PLUGINS}" = "y" ]; then
|
|
extra_config+=( --enable-plugin )
|
|
else
|
|
extra_config+=( --disable-plugin )
|
|
fi
|
|
if [ "${CT_CC_GCC_GOLD}" = "y" ]; then
|
|
extra_config+=( --enable-gold )
|
|
fi
|
|
|
|
case "${CT_ARCH}" in
|
|
mips)
|
|
case "${CT_CC_GCC_mips_llsc}" in
|
|
y) extra_config+=( --with-llsc );;
|
|
m) ;;
|
|
*) extra_config+=( --without-llsc );;
|
|
esac
|
|
case "${CT_CC_GCC_mips_synci}" in
|
|
y) extra_config+=( --with-synci );;
|
|
m) ;;
|
|
*) extra_config+=( --without-synci );;
|
|
esac
|
|
if [ "${CT_CC_GCC_mips_plt}" ]; then
|
|
extra_config+=( --with-mips-plt )
|
|
fi
|
|
;; # ARCH is mips
|
|
esac
|
|
|
|
if [ "${CT_TOOLCHAIN_ENABLE_NLS}" = "y" ]; then
|
|
extra_config+=("--with-libintl-prefix=${complibs}")
|
|
else
|
|
extra_config+=("--disable-nls")
|
|
fi
|
|
|
|
if [ "${CT_CC_GCC_SYSTEM_ZLIB}" = "y" ]; then
|
|
extra_config+=("--with-system-zlib")
|
|
fi
|
|
|
|
case "${CT_CC_GCC_CONFIG_TLS}" in
|
|
y) extra_config+=("--enable-tls");;
|
|
m) ;;
|
|
"") extra_config+=("--disable-tls");;
|
|
esac
|
|
|
|
# Some versions of gcc have a defective --enable-multilib.
|
|
# Since that's the default, only pass --disable-multilib.
|
|
if [ "${CT_MULTILIB}" != "y" ]; then
|
|
extra_config+=("--disable-multilib")
|
|
else
|
|
extra_config+=("--enable-multiarch")
|
|
if [ -n "${CT_CC_GCC_MULTILIB_LIST}" ]; then
|
|
extra_config+=("--with-multilib-list=${CT_CC_GCC_MULTILIB_LIST}")
|
|
fi
|
|
fi
|
|
|
|
CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
|
|
|
|
# We may need to modify host/build CFLAGS separately below
|
|
cflags_for_build="${cflags}"
|
|
|
|
# Clang's default bracket-depth is 256, and building GCC
|
|
# requires somewhere between 257 and 512.
|
|
if [ "${host}" = "${CT_BUILD}" ]; then
|
|
if ${CT_BUILD}-gcc --version 2>&1 | grep clang; then
|
|
cflags="$cflags "-fbracket-depth=512
|
|
cflags_for_build="$cflags_for_build "-fbracket-depth=512
|
|
fi
|
|
else
|
|
# FIXME we currently don't support clang as host compiler, only as build
|
|
if ${CT_BUILD}-gcc --version 2>&1 | grep clang; then
|
|
cflags_for_build="$cflags_for_build "-fbracket-depth=512
|
|
fi
|
|
fi
|
|
|
|
# NB: not using CT_ALL_TARGET_CFLAGS/CT_ALL_TARGET_LDFLAGS here!
|
|
# See do_gcc_core_backend for explanation.
|
|
CT_DoExecLog CFG \
|
|
CC_FOR_BUILD="${CT_BUILD}-gcc" \
|
|
CFLAGS="${cflags}" \
|
|
CFLAGS_FOR_BUILD="${cflags_for_build}" \
|
|
CXXFLAGS="${cflags}" \
|
|
CXXFLAGS_FOR_BUILD="${cflags_for_build}" \
|
|
LDFLAGS="${final_LDFLAGS[*]}" \
|
|
CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
|
|
CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
|
|
LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}" \
|
|
${CONFIG_SHELL} \
|
|
"${CT_SRC_DIR}/gcc/configure" \
|
|
--build=${CT_BUILD} \
|
|
--host=${host} \
|
|
--target=${CT_TARGET} \
|
|
--prefix="${prefix}" \
|
|
${CT_CC_SYSROOT_ARG} \
|
|
"${extra_config[@]}" \
|
|
--with-local-prefix="${CT_SYSROOT_DIR}" \
|
|
--enable-long-long \
|
|
"${CT_CC_GCC_EXTRA_CONFIG_ARRAY[@]}"
|
|
|
|
if [ "${CT_CANADIAN}" = "y" ]; then
|
|
CT_DoLog EXTRA "Building libiberty"
|
|
CT_DoExecLog ALL make ${JOBSFLAGS} all-build-libiberty
|
|
fi
|
|
|
|
CT_DoLog EXTRA "Building final gcc compiler"
|
|
CT_DoExecLog ALL make ${JOBSFLAGS} all
|
|
|
|
# See the note on issues with parallel 'make install' in GCC above.
|
|
CT_DoLog EXTRA "Installing final gcc compiler"
|
|
if [ "${CT_STRIP_TARGET_TOOLCHAIN_EXECUTABLES}" = "y" ]; then
|
|
CT_DoExecLog ALL make install-strip
|
|
else
|
|
CT_DoExecLog ALL make install
|
|
fi
|
|
|
|
# Remove the libtool "pseudo-libraries": having them in the installed
|
|
# tree makes the libtoolized utilities that are built next assume
|
|
# that, for example, libsupc++ is an "accessory library", and not include
|
|
# -lsupc++ to the link flags. That breaks ltrace, for example.
|
|
CT_DoLog EXTRA "Housekeeping for final gcc compiler"
|
|
CT_Pushd "${prefix}"
|
|
find . -type f -name "*.la" -exec rm {} \; |CT_DoLog ALL
|
|
CT_Popd
|
|
|
|
if [ "${build_manuals}" = "yes" ]; then
|
|
CT_DoLog EXTRA "Building the GCC manuals"
|
|
CT_DoExecLog ALL make pdf html
|
|
CT_DoLog EXTRA "Installing the GCC manuals"
|
|
CT_DoExecLog ALL make install-{pdf,html}-gcc
|
|
fi
|
|
|
|
# Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-${CT_CC} to always be able
|
|
# to call the C compiler with the same, somewhat canonical name.
|
|
# check whether compiler has an extension
|
|
file="$( ls -1 "${CT_PREFIX_DIR}/bin/${CT_TARGET}-${CT_CC}."* 2>/dev/null || true )"
|
|
[ -z "${file}" ] || ext=".${file##*.}"
|
|
if [ -f "${CT_PREFIX_DIR}/bin/${CT_TARGET}-${CT_CC}${ext}" ]; then
|
|
CT_DoExecLog ALL ln -sfv "${CT_TARGET}-${CT_CC}${ext}" "${prefix}/bin/${CT_TARGET}-cc${ext}"
|
|
fi
|
|
|
|
cc_gcc_multilib_housekeeping cc="${prefix}/bin/${CT_TARGET}-${CT_CC}" \
|
|
host="${host}"
|
|
|
|
# If binutils want the LTO plugin, point them to it
|
|
if [ -d "${CT_PREFIX_DIR}/lib/bfd-plugins" -a "${build_step}" = "gcc_host" ]; then
|
|
local gcc_version=$(cat "${CT_SRC_DIR}/gcc/gcc/BASE-VER" )
|
|
CT_DoExecLog ALL ln -sfv "../../libexec/gcc/${CT_TARGET}/${gcc_version}/liblto_plugin.so" \
|
|
"${CT_PREFIX_DIR}/lib/bfd-plugins/liblto_plugin.so"
|
|
fi
|
|
}
|