commit: 50bc869cdb4564df70349ef6f2ae40dbbc50fbbe Author: Sam James <sam <AT> gentoo <DOT> org> AuthorDate: Sat Nov 20 23:24:17 2021 +0000 Commit: Sam James <sam <AT> gentoo <DOT> org> CommitDate: Sat Nov 20 23:24:17 2021 +0000 URL: https://gitweb.gentoo.org/proj/musl.git/commit/?id=50bc869c
toolchain.eclass: drop obsolete eclass fork (now in ::gentoo) Signed-off-by: Sam James <sam <AT> gentoo.org> eclass/toolchain.eclass | 2391 ----------------------------------------------- 1 file changed, 2391 deletions(-) diff --git a/eclass/toolchain.eclass b/eclass/toolchain.eclass deleted file mode 100644 index 627531f2..00000000 --- a/eclass/toolchain.eclass +++ /dev/null @@ -1,2391 +0,0 @@ -# Copyright 1999-2021 Gentoo Authors -# Distributed under the terms of the GNU General Public License v2 - -# @ECLASS: toolchain.eclass -# @MAINTAINER: -# Toolchain Ninjas <toolch...@gentoo.org> -# @SUPPORTED_EAPIS: 5 6 7 8 -# @BLURB: Common code for sys-devel/gcc ebuilds - -DESCRIPTION="The GNU Compiler Collection" -HOMEPAGE="https://gcc.gnu.org/"; - -inherit flag-o-matic gnuconfig libtool multilib pax-utils toolchain-funcs prefix - -tc_is_live() { - [[ ${PV} == *9999* ]] -} - -if tc_is_live ; then - EGIT_REPO_URI="https://gcc.gnu.org/git/gcc.git"; - # naming style: - # gcc-10.1.0_pre9999 -> gcc-10-branch - # Note that the micro version is required or lots of stuff will break. - # To checkout master set gcc_LIVE_BRANCH="master" in the ebuild before - # inheriting this eclass. - EGIT_BRANCH="releases/${PN}-${PV%.?.?_pre9999}" - EGIT_BRANCH=${EGIT_BRANCH//./_} - inherit git-r3 -fi - -FEATURES=${FEATURES/multilib-strict/} - -case ${EAPI} in - 5|6) inherit eapi7-ver eutils ;; - 7) inherit eutils ;; - 8) ;; - *) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;; -esac - -EXPORT_FUNCTIONS pkg_pretend pkg_setup src_unpack src_prepare src_configure \ - src_compile src_test src_install pkg_postinst pkg_postrm - -#---->> globals <<---- - -export CTARGET=${CTARGET:-${CHOST}} -if [[ ${CTARGET} = ${CHOST} ]] ; then - if [[ ${CATEGORY} == cross-* ]] ; then - export CTARGET=${CATEGORY#cross-} - fi -fi -: ${TARGET_ABI:=${ABI}} -: ${TARGET_MULTILIB_ABIS:=${MULTILIB_ABIS}} -: ${TARGET_DEFAULT_ABI:=${DEFAULT_ABI}} - -is_crosscompile() { - [[ ${CHOST} != ${CTARGET} ]] -} - -# General purpose version check. Without a second arg matches up to minor version (x.x.x) -tc_version_is_at_least() { - ver_test "${2:-${GCC_RELEASE_VER}}" -ge "$1" -} - -# General purpose version range check -# Note that it matches up to but NOT including the second version -tc_version_is_between() { - tc_version_is_at_least "${1}" && ! tc_version_is_at_least "${2}" -} - -GCC_PV=${TOOLCHAIN_GCC_PV:-${PV}} -GCC_PVR=${GCC_PV} -[[ ${PR} != "r0" ]] && GCC_PVR=${GCC_PVR}-${PR} - -# GCC_RELEASE_VER must always match 'gcc/BASE-VER' value. -# It's an internal representation of gcc version used for: -# - versioned paths on disk -# - 'gcc -dumpversion' output. Must always match <digit>.<digit>.<digit>. -GCC_RELEASE_VER=$(ver_cut 1-3 ${GCC_PV}) - -GCC_BRANCH_VER=$(ver_cut 1-2 ${GCC_PV}) -GCCMAJOR=$(ver_cut 1 ${GCC_PV}) -GCCMINOR=$(ver_cut 2 ${GCC_PV}) -GCCMICRO=$(ver_cut 3 ${GCC_PV}) - -# Ideally this variable should allow for custom gentoo versioning -# of binary and gcc-config names not directly tied to upstream -# versioning. In practive it's hard to untangle from gcc/BASE-VER -# (GCC_RELEASE_VER) value. -GCC_CONFIG_VER=${GCC_RELEASE_VER} - -# Pre-release support. Versioning schema: -# 1.0.0_pre9999: live ebuild -# 1.2.3_alphaYYYYMMDD: weekly snapshots -# 1.2.3_rcYYYYMMDD: release candidates -if [[ ${GCC_PV} == *_alpha* ]] ; then - # weekly snapshots - SNAPSHOT=${GCCMAJOR}-${GCC_PV##*_alpha} -elif [[ ${GCC_PV} == *_rc* ]] ; then - # release candidates - SNAPSHOT=${GCC_PV%_rc*}-RC-${GCC_PV##*_rc} -fi - -# Require minimum gcc version to simplify assumptions. -# Normally we would require gcc-6+ (based on sys-devel/gcc) -# but we still have sys-devel/gcc-apple-4.2.1_p5666. -tc_version_is_at_least 4.2.1 || die "${ECLASS}: ${GCC_RELEASE_VER} is too old." - -PREFIX=${TOOLCHAIN_PREFIX:-${EPREFIX}/usr} - -LIBPATH=${TOOLCHAIN_LIBPATH:-${PREFIX}/lib/gcc/${CTARGET}/${GCC_CONFIG_VER}} -INCLUDEPATH=${TOOLCHAIN_INCLUDEPATH:-${LIBPATH}/include} - -if is_crosscompile ; then - BINPATH=${TOOLCHAIN_BINPATH:-${PREFIX}/${CHOST}/${CTARGET}/gcc-bin/${GCC_CONFIG_VER}} - HOSTLIBPATH=${PREFIX}/${CHOST}/${CTARGET}/lib/${GCC_CONFIG_VER} -else - BINPATH=${TOOLCHAIN_BINPATH:-${PREFIX}/${CTARGET}/gcc-bin/${GCC_CONFIG_VER}} -fi - -DATAPATH=${TOOLCHAIN_DATAPATH:-${PREFIX}/share/gcc-data/${CTARGET}/${GCC_CONFIG_VER}} - -# Dont install in /usr/include/g++-v3/, but in gcc internal directory. -# We will handle /usr/include/g++-v3/ with gcc-config ... -STDCXX_INCDIR=${TOOLCHAIN_STDCXX_INCDIR:-${LIBPATH}/include/g++-v${GCC_BRANCH_VER/\.*/}} - -#---->> LICENSE+SLOT+IUSE logic <<---- - -LICENSE="GPL-3+ LGPL-3+ || ( GPL-3+ libgcc libstdc++ gcc-runtime-library-exception-3.1 ) FDL-1.3+" -IUSE="test vanilla +nls" -RESTRICT="!test? ( test )" - -tc_supports_dostrip() { - case ${EAPI} in - 5|6) return 1 ;; - 7|8) return 0 ;; - *) die "Update apply_patches() for ${EAPI}." ;; - esac -} - -tc_supports_dostrip || RESTRICT+=" strip" # cross-compilers need controlled stripping - -TC_FEATURES=() - -tc_has_feature() { - has "$1" "${TC_FEATURES[@]}" -} - -if [[ ${PN} != "kgcc64" && ${PN} != gcc-* ]] ; then - IUSE+=" debug +cxx +nptl" TC_FEATURES+=(nptl) - [[ -n ${PIE_VER} ]] && IUSE+=" nopie" - [[ -n ${SPECS_VER} ]] && IUSE+=" nossp" - IUSE+=" +fortran" TC_FEATURES+=(fortran) - IUSE+=" doc hardened multilib objc" - tc_version_is_between 3 7 && IUSE+=" awt gcj" TC_FEATURES+=(gcj) - IUSE+=" pgo" - IUSE+=" objc-gc" TC_FEATURES+=(objc-gc) - IUSE+=" libssp objc++" - IUSE+=" +openmp" - tc_version_is_at_least 4.3 && IUSE+=" fixed-point" - tc_version_is_at_least 4.7 && IUSE+=" go" - # sanitizer support appeared in gcc-4.8, but <gcc-5 does not - # support modern glibc. - tc_version_is_at_least 5 && IUSE+=" +sanitize" TC_FEATURES+=(sanitize) - # Note: - # <gcc-4.8 supported graphite, it required forked ppl - # versions which we dropped. Since graphite was also experimental in - # the older versions, we don't want to bother supporting it. #448024 - # <gcc-5 supported graphite, it required cloog - # <gcc-6.5 supported graphite, it required old incompatible isl - tc_version_is_at_least 6.5 && - IUSE+=" graphite" TC_FEATURES+=(graphite) - tc_version_is_between 4.9 8 && IUSE+=" cilk" - tc_version_is_at_least 4.9 && IUSE+=" ada" - tc_version_is_at_least 4.9 && IUSE+=" vtv" - tc_version_is_at_least 5.0 && IUSE+=" jit" - tc_version_is_between 5.0 9 && IUSE+=" mpx" - tc_version_is_at_least 6.0 && IUSE+=" +pie +ssp +pch" - # systemtap is a gentoo-specific switch: bug #654748 - tc_version_is_at_least 8.0 && - IUSE+=" systemtap" TC_FEATURES+=(systemtap) - tc_version_is_at_least 9.0 && IUSE+=" d" - tc_version_is_at_least 9.1 && IUSE+=" lto" - tc_version_is_at_least 10 && IUSE+=" zstd" TC_FEATURES+=(zstd) - tc_version_is_at_least 11 && IUSE+=" valgrind" TC_FEATURES+=(valgrind) - tc_version_is_at_least 11 && IUSE+=" custom-cflags" -fi - -if tc_version_is_at_least 10; then - # Note: currently we pull in releases, snapshots and - # git versions into the same SLOT. - SLOT="${GCCMAJOR}" -else - SLOT="${GCC_CONFIG_VER}" -fi - -#---->> DEPEND <<---- - -RDEPEND="sys-libs/zlib - virtual/libiconv - nls? ( virtual/libintl ) -" - -GMP_MPFR_DEPS=">=dev-libs/gmp-4.3.2:0= >=dev-libs/mpfr-2.4.2:0=" -if tc_version_is_at_least 4.3 ; then - RDEPEND+=" ${GMP_MPFR_DEPS}" -elif tc_has_feature fortran ; then - RDEPEND+=" fortran? ( ${GMP_MPFR_DEPS} )" -fi - -tc_version_is_at_least 4.5 && RDEPEND+=" >=dev-libs/mpc-0.8.1:0=" - -if tc_has_feature objc-gc ; then - if tc_version_is_at_least 7 ; then - RDEPEND+=" objc-gc? ( >=dev-libs/boehm-gc-7.4.2 )" - fi -fi - -if tc_has_feature graphite ; then - RDEPEND+=" graphite? ( >=dev-libs/isl-0.14:0= )" -fi - -BDEPEND=" - >=sys-devel/bison-1.875 - >=sys-devel/flex-2.5.4 - nls? ( sys-devel/gettext ) - test? ( - >=dev-util/dejagnu-1.4.4 - >=sys-devel/autogen-5.5.4 - )" -DEPEND="${RDEPEND}" - -if tc_has_feature gcj ; then - DEPEND+=" - gcj? ( - awt? ( - x11-base/xorg-proto - x11-libs/libXt - x11-libs/libX11 - x11-libs/libXtst - =x11-libs/gtk+-2* - x11-libs/pango - virtual/pkgconfig - ) - >=media-libs/libart_lgpl-2.1 - app-arch/zip - app-arch/unzip - ) - " -fi - -if tc_has_feature sanitize ; then - # libsanitizer relies on 'crypt.h' to be present - # on target. glibc user to provide it unconditionally. - # Nowadays it's a standalone library: #802648 - DEPEND+=" sanitize? ( virtual/libcrypt )" -fi - -if tc_has_feature systemtap ; then - # gcc needs sys/sdt.h headers on target - DEPEND+=" systemtap? ( dev-util/systemtap )" -fi - -if tc_has_feature zstd ; then - DEPEND+=" zstd? ( app-arch/zstd )" -fi - -if tc_has_feature valgrind; then - BDEPEND+=" valgrind? ( dev-util/valgrind )" -fi - -case ${EAPI} in - 5|6) DEPEND+=" ${BDEPEND}" ;; -esac - -PDEPEND=">=sys-devel/gcc-config-2.3" - -#---->> S + SRC_URI essentials <<---- - -# Set the source directory depending on whether we're using -# a live git tree, snapshot, or release tarball. -S=$( - if tc_is_live ; then - echo ${EGIT_CHECKOUT_DIR} - elif [[ -n ${SNAPSHOT} ]] ; then - echo ${WORKDIR}/gcc-${SNAPSHOT} - else - echo ${WORKDIR}/gcc-${GCC_RELEASE_VER} - fi -) - -gentoo_urls() { - local devspace="HTTP~vapier/dist/URI HTTP~rhill/dist/URI - HTTP~zorry/patches/gcc/URI HTTP~blueness/dist/URI - HTTP~tamiko/distfiles/URI HTTP~sam/distfiles/URI - HTTP~sam/distfiles/sys-devel/gcc/URI HTTP~slyfox/distfiles/URI" - devspace=${devspace//HTTP/https:\/\/dev.gentoo.org\/} - echo mirror://gentoo/$1 ${devspace//URI/$1} -} - -# This function handles the basics of setting the SRC_URI for a gcc ebuild. -# To use, set SRC_URI with: -# -# SRC_URI="$(get_gcc_src_uri)" -# -# Other than the variables normally set by portage, this function's behavior -# can be altered by setting the following: -# -# GCC_TARBALL_SRC_URI -# Override link to main tarball into SRC_URI. Used by dev-lang/gnat-gpl -# to provide gcc tarball snapshots. Patches are usually reused as-is. -# -# SNAPSHOT -# If set, this variable signals that we should be using a snapshot of -# gcc. It is expected to be in the format "YYYY-MM-DD". Note that if -# the ebuild has a _pre suffix, this variable is ignored and the -# prerelease tarball is used instead. -# -# PATCH_VER -# PATCH_GCC_VER -# This should be set to the version of the gentoo patch tarball. -# The resulting filename of this tarball will be: -# gcc-${PATCH_GCC_VER:-${GCC_RELEASE_VER}}-patches-${PATCH_VER}.tar.bz2 -# -# PIE_VER -# PIE_GCC_VER -# These variables control patching in various updates for the logic -# controlling Position Independant Executables. PIE_VER is expected -# to be the version of this patch, and PIE_GCC_VER the gcc version of -# the patch: -# An example: -# PIE_VER="8.7.6.5" -# PIE_GCC_VER="3.4.0" -# The resulting filename of this tarball will be: -# gcc-${PIE_GCC_VER:-${GCC_RELEASE_VER}}-piepatches-v${PIE_VER}.tar.bz2 -# -# SPECS_VER -# SPECS_GCC_VER -# This is for the minispecs files included in the hardened gcc-4.x -# The specs files for hardenedno*, vanilla and for building the "specs" file. -# SPECS_VER is expected to be the version of this patch, SPECS_GCC_VER -# the gcc version of the patch. -# An example: -# SPECS_VER="8.7.6.5" -# SPECS_GCC_VER="3.4.0" -# The resulting filename of this tarball will be: -# gcc-${SPECS_GCC_VER:-${GCC_RELEASE_VER}}-specs-${SPECS_VER}.tar.bz2 -# -# CYGWINPORTS_GITREV -# If set, this variable signals that we should apply additional patches -# maintained by upstream Cygwin developers at github/cygwinports/gcc, -# using the specified git commit id there. The list of patches to -# apply is extracted from gcc.cygport, maintained there as well. -# This is done for compilers running on Cygwin, not for cross compilers -# with a Cygwin target. -get_gcc_src_uri() { - export PATCH_GCC_VER=${PATCH_GCC_VER:-${GCC_RELEASE_VER}} - export UCLIBC_GCC_VER=${UCLIBC_GCC_VER:-${PATCH_GCC_VER}} - export MUSL_GCC_VER=${MUSL_GCC_VER:-${PATCH_GCC_VER}} - export PIE_GCC_VER=${PIE_GCC_VER:-${GCC_RELEASE_VER}} - export HTB_GCC_VER=${HTB_GCC_VER:-${GCC_RELEASE_VER}} - export SPECS_GCC_VER=${SPECS_GCC_VER:-${GCC_RELEASE_VER}} - - # Set where to download gcc itself depending on whether we're using a - # live git tree, snapshot, or release tarball. - if tc_is_live ; then - : # Nothing to do w/git snapshots. - elif [[ -n ${GCC_TARBALL_SRC_URI} ]] ; then - # pull gcc tarball from another location. Frequently used by gnat-gpl. - GCC_SRC_URI="${GCC_TARBALL_SRC_URI}" - elif [[ -n ${SNAPSHOT} ]] ; then - GCC_SRC_URI="ftp://gcc.gnu.org/pub/gcc/snapshots/${SNAPSHOT}/gcc-${SNAPSHOT}.tar.xz"; - else - if tc_version_is_between 5.5 6 || tc_version_is_between 6.4 7 || tc_version_is_at_least 7.2 ; then - GCC_SRC_URI="mirror://gnu/gcc/gcc-${GCC_PV}/gcc-${GCC_RELEASE_VER}.tar.xz" - else - GCC_SRC_URI="mirror://gnu/gcc/gcc-${GCC_PV}/gcc-${GCC_RELEASE_VER}.tar.bz2" - fi - fi - - [[ -n ${UCLIBC_VER} ]] && \ - GCC_SRC_URI+=" $(gentoo_urls gcc-${UCLIBC_GCC_VER}-uclibc-patches-${UCLIBC_VER}.tar.bz2)" - [[ -n ${PATCH_VER} ]] && \ - GCC_SRC_URI+=" $(gentoo_urls gcc-${PATCH_GCC_VER}-patches-${PATCH_VER}.tar.bz2)" - [[ -n ${MUSL_VER} ]] && \ - GCC_SRC_URI+=" $(gentoo_urls gcc-${MUSL_GCC_VER}-musl-patches-${MUSL_VER}.tar.bz2)" - - [[ -n ${PIE_VER} ]] && \ - PIE_CORE=${PIE_CORE:-gcc-${PIE_GCC_VER}-piepatches-v${PIE_VER}.tar.bz2} && \ - GCC_SRC_URI+=" $(gentoo_urls ${PIE_CORE})" - - # gcc minispec for the hardened gcc 4 compiler - [[ -n ${SPECS_VER} ]] && \ - GCC_SRC_URI+=" $(gentoo_urls gcc-${SPECS_GCC_VER}-specs-${SPECS_VER}.tar.bz2)" - - if tc_has_feature gcj ; then - if tc_version_is_at_least 4.5 ; then - GCC_SRC_URI+=" gcj? ( ftp://sourceware.org/pub/java/ecj-4.5.jar )" - elif tc_version_is_at_least 4.3 ; then - GCC_SRC_URI+=" gcj? ( ftp://sourceware.org/pub/java/ecj-4.3.jar )" - fi - fi - - # Cygwin patches from https://github.com/cygwinports/gcc - [[ -n ${CYGWINPORTS_GITREV} ]] && \ - GCC_SRC_URI+=" elibc_Cygwin? ( https://github.com/cygwinports/gcc/archive/${CYGWINPORTS_GITREV}.tar.gz - -> gcc-cygwinports-${CYGWINPORTS_GITREV}.tar.gz )" - - echo "${GCC_SRC_URI}" -} - -SRC_URI=$(get_gcc_src_uri) - -#---->> pkg_pretend <<---- - -toolchain_pkg_pretend() { - if ! _tc_use_if_iuse cxx ; then - _tc_use_if_iuse go && \ - ewarn 'Go requires a C++ compiler, disabled due to USE="-cxx"' - _tc_use_if_iuse objc++ && \ - ewarn 'Obj-C++ requires a C++ compiler, disabled due to USE="-cxx"' - _tc_use_if_iuse gcj && \ - ewarn 'GCJ requires a C++ compiler, disabled due to USE="-cxx"' - fi - - want_minispecs -} - -#---->> pkg_setup <<---- - -toolchain_pkg_setup() { - # we dont want to use the installed compiler's specs to build gcc - unset GCC_SPECS - unset LANGUAGES #265283 -} - -#---->> src_unpack <<---- - -toolchain_src_unpack() { - if tc_is_live ; then - git-r3_src_unpack - fi - - default_src_unpack -} - -#---->> src_prepare <<---- - -# 'epatch' is not available in EAPI=7. Abstract away patchset application -# until we eventually get all gcc ebuilds on EAPI=7 or later. -tc_apply_patches() { - [[ ${#@} -lt 2 ]] && die "usage: tc_apply_patches <message> <patches...>" - - einfo "$1"; shift - - case ${EAPI} in - # Note: even for EAPI=6 we used 'epatch' semantics. To avoid - # breaking existing ebuilds use 'eapply' only in EAPI=7 or later. - 5|6) epatch "$@" ;; - 7|8) eapply "$@" ;; - *) die "Update apply_patches() for ${EAPI}." ;; - esac -} - -toolchain_src_prepare() { - export BRANDING_GCC_PKGVERSION="Gentoo ${GCC_PVR}" - cd "${S}" - - do_gcc_gentoo_patches - do_gcc_PIE_patches - do_gcc_CYGWINPORTS_patches - - if tc_is_live ; then - BRANDING_GCC_PKGVERSION="${BRANDING_GCC_PKGVERSION}, commit ${EGIT_VERSION}" - fi - - case ${EAPI} in - 5) epatch_user;; - 6|7|8) eapply_user ;; - *) die "Update toolchain_src_prepare() for ${EAPI}." ;; - esac - - if ( tc_version_is_at_least 4.8.2 || _tc_use_if_iuse hardened ) \ - && ! use vanilla ; then - make_gcc_hard - fi - - # make sure the pkg config files install into multilib dirs. - # since we configure with just one --libdir, we can't use that - # (as gcc itself takes care of building multilibs). #435728 - find "${S}" -name Makefile.in \ - -exec sed -i '/^pkgconfigdir/s:=.*:=$(toolexeclibdir)/pkgconfig:' {} + - - setup_multilib_osdirnames - gcc_version_patch - - local actual_version=$(< "${S}"/gcc/BASE-VER) - if [[ "${GCC_RELEASE_VER}" != "${actual_version}" ]] ; then - eerror "'${S}/gcc/BASE-VER' contains '${actual_version}', expected '${GCC_RELEASE_VER}'" - die "Please set 'TOOLCHAIN_GCC_PV' to '${actual_version}'" - fi - - # >= gcc-4.3 doesn't bundle ecj.jar, so copy it - if tc_version_is_at_least 4.3 && _tc_use_if_iuse gcj ; then - if tc_version_is_at_least 4.5 ; then - einfo "Copying ecj-4.5.jar" - cp -pPR "${DISTDIR}/ecj-4.5.jar" "${S}/ecj.jar" || die - else - einfo "Copying ecj-4.3.jar" - cp -pPR "${DISTDIR}/ecj-4.3.jar" "${S}/ecj.jar" || die - fi - fi - - # Prevent libffi from being installed - if tc_version_is_between 3.0 4.8 ; then - sed -i -e 's/\(install.*:\) install-.*recursive/\1/' "${S}"/libffi/Makefile.in || die - sed -i -e 's/\(install-data-am:\).*/\1/' "${S}"/libffi/include/Makefile.in || die - fi - - # Fixup libtool to correctly generate .la files with portage - elibtoolize --portage --shallow --no-uclibc - - gnuconfig_update - - # update configure files - local f - einfo "Fixing misc issues in configure files" - for f in $(grep -l 'autoconf version 2.13' $(find "${S}" -name configure)) ; do - ebegin " Updating ${f/${S}\/} [LANG]" - patch "${f}" "${FILESDIR}"/gcc-configure-LANG.patch >& "${T}"/configure-patch.log \ - || eerror "Please file a bug about this" - eend $? - done - sed -i 's|A-Za-z0-9|[:alnum:]|g' "${S}"/gcc/*.awk #215828 - - # Prevent new texinfo from breaking old versions (see #198182, #464008) - tc_apply_patches "Remove texinfo (bug #198182, bug #464008)" "${FILESDIR}"/gcc-configure-texinfo.patch - - # >=gcc-4 - if [[ -x contrib/gcc_update ]] ; then - einfo "Touching generated files" - ./contrib/gcc_update --touch | \ - while read f ; do - einfo " ${f%%...}" - done - fi -} - -do_gcc_gentoo_patches() { - if ! use vanilla ; then - if [[ -n ${PATCH_VER} ]] ; then - tc_apply_patches "Applying Gentoo patches ..." "${WORKDIR}"/patch/*.patch - BRANDING_GCC_PKGVERSION="${BRANDING_GCC_PKGVERSION} p${PATCH_VER}" - fi - - if [[ -n ${UCLIBC_VER} ]] ; then - tc_apply_patches "Applying uClibc patches ..." "${WORKDIR}"/uclibc/*.patch - fi - - if [[ -n ${MUSL_VER} ]] && [[ ${CTARGET} == *musl* ]] ; then - if [[ ${CATEGORY} == cross-* ]] ; then - # We don't want to apply some patches when cross-compiling. - if [[ -d "${WORKDIR}"/musl/nocross ]] ; then - rm -fv "${WORKDIR}"/musl/nocross/*.patch || die - fi - fi - - tc_apply_patches "Applying musl patches ..." "${WORKDIR}"/musl/{,nocross/}*.patch - fi - fi -} - -do_gcc_PIE_patches() { - want_pie || return 0 - use vanilla && return 0 - - tc_apply_patches "Applying pie patches ..." "${WORKDIR}"/piepatch/*.patch - - BRANDING_GCC_PKGVERSION="${BRANDING_GCC_PKGVERSION}, pie-${PIE_VER}" -} - -do_gcc_CYGWINPORTS_patches() { - [[ -n ${CYGWINPORTS_GITREV} ]] || return 0 - use elibc_Cygwin || return 0 - - local p d="${WORKDIR}/gcc-${CYGWINPORTS_GITREV}" - # readarray -t is available since bash-4.4 only, #690686 - local patches=( $( - for p in $( - sed -e '1,/PATCH_URI="/d;/"/,$d' < "${d}"/gcc.cygport - ); do - echo "${d}/${p}" - done - ) ) - tc_apply_patches "Applying cygwin port patches ..." ${patches[*]} -} - -# configure to build with the hardened GCC specs as the default -make_gcc_hard() { - local gcc_hard_flags="" - - # If we use gcc-6 or newer with pie enable to compile older gcc we need to pass -no-pie - # to stage1; bug #618908 - if ! tc_version_is_at_least 6.0 && [[ $(gcc-major-version) -ge 6 ]] ; then - einfo "Disabling PIE in stage1 (only) ..." - sed -i -e "/^STAGE1_LDFLAGS/ s/$/ -no-pie/" "${S}"/Makefile.in || die - fi - - # Gcc >= 6.X we can use configurations options to turn pie/ssp on as default - if tc_version_is_at_least 6.0 ; then - if _tc_use_if_iuse pie ; then - einfo "Updating gcc to use automatic PIE building ..." - fi - if _tc_use_if_iuse ssp ; then - einfo "Updating gcc to use automatic SSP building ..." - fi - if _tc_use_if_iuse hardened ; then - # Will add some hardened options as default, like: - # -fstack-clash-protection - # -z now - # see *_all_extra-options.patch gcc patches. - gcc_hard_flags+=" -DEXTRA_OPTIONS" - # rebrand to make bug reports easier - BRANDING_GCC_PKGVERSION=${BRANDING_GCC_PKGVERSION/Gentoo/Gentoo Hardened} - fi - else - if _tc_use_if_iuse hardened ; then - # rebrand to make bug reports easier - BRANDING_GCC_PKGVERSION=${BRANDING_GCC_PKGVERSION/Gentoo/Gentoo Hardened} - if hardened_gcc_works ; then - einfo "Updating gcc to use automatic PIE + SSP building ..." - gcc_hard_flags+=" -DEFAULT_PIE_SSP" - elif hardened_gcc_works pie ; then - einfo "Updating gcc to use automatic PIE building ..." - ewarn "SSP has not been enabled by default" - gcc_hard_flags+=" -DEFAULT_PIE" - elif hardened_gcc_works ssp ; then - einfo "Updating gcc to use automatic SSP building ..." - ewarn "PIE has not been enabled by default" - gcc_hard_flags+=" -DEFAULT_SSP" - else - # do nothing if hardened isn't supported, but don't die either - ewarn "hardened is not supported for this arch in this gcc version" - return 0 - fi - else - if hardened_gcc_works ssp ; then - einfo "Updating gcc to use automatic SSP building ..." - gcc_hard_flags+=" -DEFAULT_SSP" - fi - fi - fi - - # we want to be able to control the pie patch logic via something other - # than ALL_CFLAGS... - sed -e '/^ALL_CFLAGS/iHARD_CFLAGS = ' \ - -e 's|^ALL_CFLAGS = |ALL_CFLAGS = $(HARD_CFLAGS) |' \ - -i "${S}"/gcc/Makefile.in - # Need to add HARD_CFLAGS to ALL_CXXFLAGS on >= 4.7 - if tc_version_is_at_least 4.7 ; then - sed -e '/^ALL_CXXFLAGS/iHARD_CFLAGS = ' \ - -e 's|^ALL_CXXFLAGS = |ALL_CXXFLAGS = $(HARD_CFLAGS) |' \ - -i "${S}"/gcc/Makefile.in - fi - - sed -i \ - -e "/^HARD_CFLAGS = /s|=|= ${gcc_hard_flags} |" \ - "${S}"/gcc/Makefile.in || die - -} - -# This is a historical wart. The original Gentoo/amd64 port used: -# lib32 - 32bit binaries (x86) -# lib64 - 64bit binaries (x86_64) -# lib - "native" binaries (a symlink to lib64) -# Most other distros use the logic (including mainline gcc): -# lib - 32bit binaries (x86) -# lib64 - 64bit binaries (x86_64) -# Over time, Gentoo is migrating to the latter form. -# -# Unfortunately, due to distros picking the lib32 behavior, newer gcc -# versions will dynamically detect whether to use lib or lib32 for its -# 32bit multilib. So, to keep the automagic from getting things wrong -# while people are transitioning from the old style to the new style, -# we always set the MULTILIB_OSDIRNAMES var for relevant targets. -setup_multilib_osdirnames() { - is_multilib || return 0 - - local config - local libdirs="../lib64 ../lib32" - - # this only makes sense for some Linux targets - case ${CTARGET} in - x86_64*-linux*) config="i386" ;; - powerpc64*-linux*) config="rs6000" ;; - sparc64*-linux*) config="sparc" ;; - s390x*-linux*) config="s390" ;; - *) return 0 ;; - esac - config+="/t-linux64" - - local sed_args=() - if tc_version_is_at_least 4.6 ; then - sed_args+=( -e 's:$[(]call if_multiarch[^)]*[)]::g' ) - fi - if [[ ${SYMLINK_LIB} == "yes" ]] ; then - einfo "updating multilib directories to be: ${libdirs}" - if tc_version_is_at_least 4.6.4 || tc_version_is_at_least 4.7 ; then - sed_args+=( -e '/^MULTILIB_OSDIRNAMES.*lib32/s:[$][(]if.*):../lib32:' ) - else - sed_args+=( -e "/^MULTILIB_OSDIRNAMES/s:=.*:= ${libdirs}:" ) - fi - else - einfo "using upstream multilib; disabling lib32 autodetection" - sed_args+=( -r -e 's:[$][(]if.*,(.*)[)]:\1:' ) - fi - sed -i "${sed_args[@]}" "${S}"/gcc/config/${config} || die -} - -gcc_version_patch() { - # gcc-4.3+ has configure flags (whoo!) - tc_version_is_at_least 4.3 && return 0 - - local version_string=${GCC_RELEASE_VER} - - einfo "patching gcc version: ${version_string} (${BRANDING_GCC_PKGVERSION})" - - local gcc_sed=( -e 's:gcc\.gnu\.org/bugs\.html:bugs\.gentoo\.org/:' ) - if grep -qs VERSUFFIX "${S}"/gcc/version.c ; then - gcc_sed+=( -e "/VERSUFFIX \"\"/s:\"\":\" (${BRANDING_GCC_PKGVERSION})\":" ) - else - version_string="${version_string} (${BRANDING_GCC_PKGVERSION})" - gcc_sed+=( -e "/const char version_string\[\] = /s:= \".*\":= \"${version_string}\":" ) - fi - sed -i "${gcc_sed[@]}" "${S}"/gcc/version.c || die -} - -#---->> src_configure <<---- - -toolchain_src_configure() { - downgrade_arch_flags - gcc_do_filter_flags - - einfo "CFLAGS=\"${CFLAGS}\"" - einfo "CXXFLAGS=\"${CXXFLAGS}\"" - einfo "LDFLAGS=\"${LDFLAGS}\"" - - # Force internal zip based jar script to avoid random - # issues with 3rd party jar implementations. #384291 - export JAR=no - - # For hardened gcc 4.3 piepatchset to build the hardened specs - # file (build.specs) to use when building gcc. - if ! tc_version_is_at_least 4.4 && want_minispecs ; then - setup_minispecs_gcc_build_specs - fi - - local confgcc=( --host=${CHOST} ) - - if is_crosscompile || tc-is-cross-compiler ; then - # Straight from the GCC install doc: - # "GCC has code to correctly determine the correct value for target - # for nearly all native systems. Therefore, we highly recommend you - # not provide a configure target when configuring a native compiler." - confgcc+=( --target=${CTARGET} ) - fi - [[ -n ${CBUILD} ]] && confgcc+=( --build=${CBUILD} ) - - confgcc+=( - --prefix="${PREFIX}" - --bindir="${BINPATH}" - --includedir="${INCLUDEPATH}" - --datadir="${DATAPATH}" - --mandir="${DATAPATH}/man" - --infodir="${DATAPATH}/info" - --with-gxx-include-dir="${STDCXX_INCDIR}" - ) - - # Stick the python scripts in their own slotted directory (bug #279252) - # - # --with-python-dir=DIR - # Specifies where to install the Python modules used for aot-compile. DIR - # should not include the prefix used in installation. For example, if the - # Python modules are to be installed in /usr/lib/python2.5/site-packages, - # then --with-python-dir=/lib/python2.5/site-packages should be passed. - # - # This should translate into "/share/gcc-data/${CTARGET}/${GCC_CONFIG_VER}/python" - if tc_version_is_at_least 4.4 ; then - confgcc+=( --with-python-dir=${DATAPATH/$PREFIX/}/python ) - fi - - ### language options - - local GCC_LANG="c" - is_cxx && GCC_LANG+=",c++" - is_d && GCC_LANG+=",d" - is_gcj && GCC_LANG+=",java" - is_go && GCC_LANG+=",go" - is_jit && GCC_LANG+=",jit" - if is_objc || is_objcxx ; then - GCC_LANG+=",objc" - use objc-gc && confgcc+=( --enable-objc-gc ) - is_objcxx && GCC_LANG+=",obj-c++" - fi - - # fortran support just got sillier! the lang value can be f77 for - # fortran77, f95 for fortran95, or just plain old fortran for the - # currently supported standard depending on gcc version. - is_fortran && GCC_LANG+=",fortran" - is_f77 && GCC_LANG+=",f77" - is_f95 && GCC_LANG+=",f95" - - is_ada && GCC_LANG+=",ada" - - confgcc+=( --enable-languages=${GCC_LANG} ) - - ### general options - - confgcc+=( - --enable-obsolete - --enable-secureplt - --disable-werror - --with-system-zlib - ) - - if use nls ; then - confgcc+=( --enable-nls --without-included-gettext ) - else - confgcc+=( --disable-nls ) - fi - - confgcc+=( --disable-libunwind-exceptions ) - - # Use the default ("release") checking because upstream usually neglects - # to test "disabled" so it has a history of breaking. bug #317217 - if in_iuse debug ; then - # The "release" keyword is new to 4.0. bug #551636 - local off=$(tc_version_is_at_least 4.0 && echo release || echo no) - confgcc+=( --enable-checking="${GCC_CHECKS_LIST:-$(usex debug yes ${off})}" ) - fi - - # Branding - tc_version_is_at_least 4.3 && confgcc+=( - --with-bugurl=https://bugs.gentoo.org/ - --with-pkgversion="${BRANDING_GCC_PKGVERSION}" - ) - - # If we want hardened support with the newer piepatchset for >=gcc 4.4 - if tc_version_is_at_least 4.4 && want_minispecs && in_iuse hardened ; then - confgcc+=( $(use_enable hardened esp) ) - fi - - # allow gcc to search for clock funcs in the main C lib. - # if it can't find them, then tough cookies -- we aren't - # going to link in -lrt to all C++ apps. bug #411681 - if tc_version_is_at_least 4.4 && is_cxx ; then - confgcc+=( --enable-libstdcxx-time ) - fi - - # Build compiler itself using LTO - if tc_version_is_at_least 9.1 && _tc_use_if_iuse lto ; then - confgcc+=( --with-build-config=bootstrap-lto ) - fi - - # Support to disable pch when building libstdcxx - if tc_version_is_at_least 6.0 && ! _tc_use_if_iuse pch ; then - confgcc+=( --disable-libstdcxx-pch ) - fi - - # The jit language requires this. - is_jit && confgcc+=( --enable-host-shared ) - - # build-id was disabled for file collisions: bug #526144 - # - # # Turn on the -Wl,--build-id flag by default for ELF targets. bug #525942 - # # This helps with locating debug files. - # case ${CTARGET} in - # *-linux-*|*-elf|*-eabi) - # tc_version_is_at_least 4.5 && confgcc+=( - # --enable-linker-build-id - # ) - # ;; - # esac - - # newer gcc versions like to bootstrap themselves with C++, - # so we need to manually disable it ourselves - if tc_version_is_between 4.7 4.8 && ! is_cxx ; then - confgcc+=( --disable-build-with-cxx --disable-build-poststage1-with-cxx ) - fi - - ### Cross-compiler options - if is_crosscompile ; then - # Enable build warnings by default with cross-compilers when system - # paths are included (e.g. via -I flags). - confgcc+=( --enable-poison-system-directories ) - - # When building a stage1 cross-compiler (just C compiler), we have to - # disable a bunch of features or gcc goes boom - local needed_libc="" - case ${CTARGET} in - *-linux) needed_libc=error-unknown-libc;; - *-dietlibc) needed_libc=dietlibc;; - *-elf|*-eabi) - needed_libc=newlib - # Bare-metal targets don't have access to clock_gettime() - # arm-none-eabi example: bug #589672 - # But we explicitly do --enable-libstdcxx-time above. - # Undoing it here. - confgcc+=( --disable-libstdcxx-time ) - ;; - *-freebsd*) needed_libc=freebsd-lib;; - *-gnu*) needed_libc=glibc;; - *-klibc) needed_libc=klibc;; - *-musl*) needed_libc=musl;; - *-uclibc*) - # Enable shared library support only on targets - # that support it: bug #291870 - if ! echo '#include <features.h>' | \ - $(tc-getCPP ${CTARGET}) -E -dD - 2>/dev/null | \ - grep -q __HAVE_SHARED__ - then - confgcc+=( --disable-shared ) - fi - needed_libc=uclibc-ng - ;; - *-cygwin) needed_libc=cygwin;; - x86_64-*-mingw*|\ - *-w64-mingw*) needed_libc=mingw64-runtime;; - avr) confgcc+=( --enable-shared --disable-threads );; - esac - if [[ -n ${needed_libc} ]] ; then - local confgcc_no_libc=( --disable-shared ) - # requires libc: bug #734820 - tc_version_is_at_least 4.6 && confgcc_no_libc+=( --disable-libquadmath ) - # requires libc - tc_version_is_at_least 4.8 && confgcc_no_libc+=( --disable-libatomic ) - if ! has_version ${CATEGORY}/${needed_libc} ; then - confgcc+=( - "${confgcc_no_libc[@]}" - --disable-threads - --without-headers - ) - if [[ $needed_libc == glibc ]]; then - # By default gcc looks at glibc's headers - # to detect long double support. This does - # not work for --disable-headers mode. - # Any >=glibc-2.4 is good enough for float128. - # The option appeared in gcc-4.2. - confgcc+=( --with-long-double-128 ) - fi - elif has_version "${CATEGORY}/${needed_libc}[headers-only(-)]" ; then - confgcc+=( - "${confgcc_no_libc[@]}" - --with-sysroot="${PREFIX}"/${CTARGET} - ) - else - confgcc+=( --with-sysroot="${PREFIX}"/${CTARGET} ) - fi - fi - - confgcc+=( --disable-bootstrap ) - else - if tc-is-static-only ; then - confgcc+=( --disable-shared ) - else - confgcc+=( --enable-shared ) - fi - case ${CHOST} in - mingw*|*-mingw*) - confgcc+=( --enable-threads=win32 ) ;; - *) - confgcc+=( --enable-threads=posix ) ;; - esac - fi - - # __cxa_atexit is "essential for fully standards-compliant handling of - # destructors", but apparently requires glibc. - case ${CTARGET} in - *-uclibc*) - if tc_has_feature nptl ; then - confgcc+=( - --disable-__cxa_atexit - $(use_enable nptl tls) - ) - fi - ;; - *-elf|*-eabi) - confgcc+=( --with-newlib ) - ;; - *-musl*) - confgcc+=( --enable-__cxa_atexit ) - ;; - *-gnu*) - confgcc+=( - --enable-__cxa_atexit - --enable-clocale=gnu - ) - ;; - *-freebsd*) - confgcc+=( --enable-__cxa_atexit ) - ;; - *-solaris*) - confgcc+=( --enable-__cxa_atexit ) - ;; - esac - - ### arch options - - gcc-multilib-configure - - # gcc has fixed-point arithmetic support in 4.3 for mips targets that can - # significantly increase compile time by several hours. This will allow - # users to control this feature in the event they need the support. - tc_version_is_at_least 4.3 && in_iuse fixed-point && confgcc+=( $(use_enable fixed-point) ) - - case $(tc-is-softfloat) in - yes) confgcc+=( --with-float=soft ) ;; - softfp) confgcc+=( --with-float=softfp ) ;; - *) - # If they've explicitly opt-ed in, do hardfloat, - # otherwise let the gcc default kick in. - case ${CTARGET//_/-} in - *-hardfloat-*|*eabihf) confgcc+=( --with-float=hard ) ;; - esac - esac - - local with_abi_map=() - case $(tc-arch) in - arm) #264534 #414395 - local a arm_arch=${CTARGET%%-*} - # Remove trailing endian variations first: eb el be bl b l - for a in e{b,l} {b,l}e b l ; do - if [[ ${arm_arch} == *${a} ]] ; then - arm_arch=${arm_arch%${a}} - break - fi - done - # Convert armv7{a,r,m} to armv7-{a,r,m} - [[ ${arm_arch} == armv7? ]] && arm_arch=${arm_arch/7/7-} - # See if this is a valid --with-arch flag - if (srcdir=${S}/gcc target=${CTARGET} with_arch=${arm_arch}; - . "${srcdir}"/config.gcc) &>/dev/null - then - confgcc+=( --with-arch=${arm_arch} ) - fi - - # Make default mode thumb for microcontroller classes #418209 - [[ ${arm_arch} == *-m ]] && confgcc+=( --with-mode=thumb ) - - # Enable hardvfp - if [[ $(tc-is-softfloat) == "no" ]] && \ - [[ ${CTARGET} == armv[67]* ]] && \ - tc_version_is_at_least 4.5 - then - # Follow the new arm hardfp distro standard by default - confgcc+=( --with-float=hard ) - case ${CTARGET} in - armv6*) confgcc+=( --with-fpu=vfp ) ;; - armv7*) confgcc+=( --with-fpu=vfpv3-d16 ) ;; - esac - fi - ;; - mips) - # Add --with-abi flags to set default ABI - confgcc+=( --with-abi=$(gcc-abi-map ${TARGET_DEFAULT_ABI}) ) - ;; - amd64) - # drop the older/ABI checks once this get's merged into some - # version of gcc upstream - if tc_version_is_at_least 4.8 && has x32 $(get_all_abis TARGET) ; then - confgcc+=( --with-abi=$(gcc-abi-map ${TARGET_DEFAULT_ABI}) ) - fi - ;; - x86) - # Default arch for x86 is normally i386, lets give it a bump - # since glibc will do so based on CTARGET anyways - confgcc+=( --with-arch=${CTARGET%%-*} ) - ;; - hppa) - # Enable sjlj exceptions for backward compatibility on hppa - [[ ${GCCMAJOR} == "3" ]] && confgcc+=( --enable-sjlj-exceptions ) - ;; - ppc) - # Set up defaults based on current CFLAGS - is-flagq -mfloat-gprs=double && confgcc+=( --enable-e500-double ) - [[ ${CTARGET//_/-} == *-e500v2-* ]] && confgcc+=( --enable-e500-double ) - ;; - ppc64) - # On ppc64 big endian target gcc assumes elfv1 by default, - # and elfv2 on little endian - # but musl does not support elfv1 at all on any endian ppc64 - # see https://git.musl-libc.org/cgit/musl/tree/INSTALL - # https://bugs.gentoo.org/704784 - # https://gcc.gnu.org/PR93157 - [[ ${CTARGET} == powerpc64-*-musl ]] && confgcc+=( --with-abi=elfv2 ) - ;; - riscv) - # Add --with-abi flags to set default ABI - confgcc+=( --with-abi=$(gcc-abi-map ${TARGET_DEFAULT_ABI}) ) - ;; - esac - - # if the target can do biarch (-m32/-m64), enable it. overhead should - # be small, and should simplify building of 64bit kernels in a 32bit - # userland by not needing sys-devel/kgcc64. #349405 - case $(tc-arch) in - ppc|ppc64) confgcc+=( --enable-targets=all ) ;; - sparc) tc_version_is_at_least 4.4 && confgcc+=( --enable-targets=all ) ;; - amd64|x86) tc_version_is_at_least 4.3 && confgcc+=( --enable-targets=all ) ;; - esac - - # On Darwin we need libdir to be set in order to get correct install names - # for things like libobjc-gnu, libgcj and libfortran. If we enable it on - # non-Darwin we screw up the behaviour this eclass relies on. We in - # particular need this over --libdir for bug #255315. - [[ ${CTARGET} == *-darwin* ]] && \ - confgcc+=( --enable-version-specific-runtime-libs ) - - ### library options - - if tc_version_is_between 3.0 7.0 ; then - if is_gcj ; then - confgcc+=( --disable-gjdoc ) - use awt && confgcc+=( --enable-java-awt=gtk ) - else - confgcc+=( --disable-libgcj ) - fi - fi - - if in_iuse openmp ; then - # Make sure target has pthreads support. #326757 #335883 - # There shouldn't be a chicken & egg problem here as openmp won't - # build without a C library, and you can't build that w/out - # already having a compiler ... - if ! is_crosscompile || \ - $(tc-getCPP ${CTARGET}) -E - <<<"#include <pthread.h>" >& /dev/null - then - confgcc+=( $(use_enable openmp libgomp) ) - else - # Force disable as the configure script can be dumb #359855 - confgcc+=( --disable-libgomp ) - fi - else - # For gcc variants where we don't want openmp (e.g. kgcc) - confgcc+=( --disable-libgomp ) - fi - - if _tc_use_if_iuse libssp ; then - confgcc+=( --enable-libssp ) - else - if hardened_gcc_is_stable ssp; then - export gcc_cv_libc_provides_ssp=yes - fi - if _tc_use_if_iuse ssp; then - # On some targets USE="ssp -libssp" is an invalid - # configuration as target libc does not provide - # stack_chk_* functions. Do not disable libssp there. - case ${CTARGET} in - mingw*|*-mingw*) ewarn "Not disabling libssp" ;; - *) confgcc+=( --disable-libssp ) ;; - esac - else - confgcc+=( --disable-libssp ) - fi - fi - - if in_iuse ada ; then - confgcc+=( --disable-libada ) - fi - - if in_iuse cilk ; then - confgcc+=( $(use_enable cilk libcilkrts) ) - fi - - if in_iuse mpx ; then - confgcc+=( $(use_enable mpx libmpx) ) - fi - - if in_iuse systemtap ; then - confgcc+=( $(use_enable systemtap) ) - fi - - if in_iuse valgrind ; then - confgcc+=( $(use_enable valgrind valgrind-annotations) ) - fi - - if in_iuse vtv ; then - confgcc+=( - $(use_enable vtv vtable-verify) - # See Note [implicitly enabled flags] - $(usex vtv '' --disable-libvtv) - ) - fi - - if in_iuse zstd ; then - confgcc+=( $(use_with zstd) ) - fi - - if tc_version_is_at_least 4.6 ; then - confgcc+=( --enable-lto ) - elif tc_version_is_at_least 4.5 ; then - confgcc+=( --disable-lto ) - fi - - # graphite was added in 4.4 but we only support it in 6.5+ due to external - # library issues. #448024, #701270 - if tc_version_is_at_least 6.5 && in_iuse graphite ; then - confgcc+=( $(use_with graphite isl) ) - use graphite && confgcc+=( --disable-isl-version-check ) - elif tc_version_is_at_least 5.0 ; then - confgcc+=( --without-isl ) - elif tc_version_is_at_least 4.8 ; then - confgcc+=( --without-cloog ) - elif tc_version_is_at_least 4.4 ; then - confgcc+=( --without-{cloog,ppl} ) - fi - - if tc_version_is_at_least 4.8; then - if in_iuse sanitize ; then - # See Note [implicitly enabled flags] - confgcc+=( $(usex sanitize '' --disable-libsanitizer) ) - else - confgcc+=( --disable-libsanitizer ) - fi - fi - - if tc_version_is_at_least 6.0 && in_iuse pie ; then - confgcc+=( $(use_enable pie default-pie) ) - fi - - if tc_version_is_at_least 6.0 && in_iuse ssp ; then - confgcc+=( - # This defaults to -fstack-protector-strong. - $(use_enable ssp default-ssp) - ) - fi - - # Disable gcc info regeneration -- it ships with generated info pages - # already. Our custom version/urls/etc... trigger it. #464008 - export gcc_cv_prog_makeinfo_modern=no - - # Do not let the X detection get in our way. We know things can be found - # via system paths, so no need to hardcode things that'll break multilib. - # Older gcc versions will detect ac_x_libraries=/usr/lib64 which ends up - # killing the 32bit builds which want /usr/lib. - export ac_cv_have_x='have_x=yes ac_x_includes= ac_x_libraries=' - - confgcc+=( "$@" ${EXTRA_ECONF} ) - - # Nothing wrong with a good dose of verbosity - echo - einfo "PREFIX: ${PREFIX}" - einfo "BINPATH: ${BINPATH}" - einfo "LIBPATH: ${LIBPATH}" - einfo "DATAPATH: ${DATAPATH}" - einfo "STDCXX_INCDIR: ${STDCXX_INCDIR}" - echo - einfo "Languages: ${GCC_LANG}" - echo - einfo "Configuring GCC with: ${confgcc[@]//--/\n\t--}" - echo - - # Build in a separate build tree - mkdir -p "${WORKDIR}"/build - pushd "${WORKDIR}"/build > /dev/null - - # and now to do the actual configuration - addwrite /dev/zero - echo "${S}"/configure "${confgcc[@]}" - # Older gcc versions did not detect bash and re-exec itself, so force the - # use of bash. Newer ones will auto-detect, but this is not harmful. - CONFIG_SHELL="${EPREFIX}/bin/bash" \ - bash "${S}"/configure "${confgcc[@]}" || die "failed to run configure" - - # return to whatever directory we were in before - popd > /dev/null -} - -# Replace -m flags unsupported by the version being built with the best -# available equivalent -downgrade_arch_flags() { - local arch bver i isa myarch mytune rep ver - - bver=${1:-${GCC_BRANCH_VER}} - # Don't perform downgrade if running gcc is older than ebuild's. - tc_version_is_at_least ${bver} $(gcc-version) || return 0 - [[ $(tc-arch) != amd64 && $(tc-arch) != x86 ]] && return 0 - - myarch=$(get-flag march) - mytune=$(get-flag mtune) - - # Handle special -mtune flags - [[ ${mytune} == intel ]] && ! tc_version_is_at_least 4.9 ${bver} && replace-cpu-flags intel generic - [[ ${mytune} == x86-64 ]] && filter-flags '-mtune=*' - - # "added" "arch" "replacement" - local archlist=( - 10 znver3 znver2 - 9 znver2 znver1 - 4.9 bdver4 bdver3 - 4.9 bonnell atom - 4.9 broadwell core-avx2 - 4.9 haswell core-avx2 - 4.9 ivybridge core-avx-i - 4.9 nehalem corei7 - 4.9 sandybridge corei7-avx - 4.9 silvermont corei7 - 4.9 westmere corei7 - 4.8 bdver3 bdver2 - 4.8 btver2 btver1 - 4.7 bdver2 bdver1 - 4.7 core-avx2 core-avx-i - 4.6 bdver1 amdfam10 - 4.6 btver1 amdfam10 - 4.6 core-avx-i core2 - 4.6 corei7 core2 - 4.6 corei7-avx core2 - 4.5 atom core2 - 4.3 amdfam10 k8 - 4.3 athlon64-sse3 k8 - 4.3 barcelona k8 - 4.3 core2 nocona - 4.3 geode k6-2 # gcc.gnu.org/PR41989#c22 - 4.3 k8-sse3 k8 - 4.3 opteron-sse3 k8 - ) - - for ((i = 0; i < ${#archlist[@]}; i += 3)) ; do - myarch=$(get-flag march) - mytune=$(get-flag mtune) - - ver=${archlist[i]} - arch=${archlist[i + 1]} - rep=${archlist[i + 2]} - - [[ ${myarch} != ${arch} && ${mytune} != ${arch} ]] && continue - - if ! tc_version_is_at_least ${ver} ${bver}; then - einfo "Downgrading '${myarch}' (added in gcc ${ver}) with '${rep}'..." - [[ ${myarch} == ${arch} ]] && replace-cpu-flags ${myarch} ${rep} - [[ ${mytune} == ${arch} ]] && replace-cpu-flags ${mytune} ${rep} - continue - else - break - fi - done - - # we only check -mno* here since -m* get removed by strip-flags later on - local isalist=( - 4.9 -mno-sha - 4.9 -mno-avx512pf - 4.9 -mno-avx512f - 4.9 -mno-avx512er - 4.9 -mno-avx512cd - 4.8 -mno-xsaveopt - 4.8 -mno-xsave - 4.8 -mno-rtm - 4.8 -mno-fxsr - 4.7 -mno-lzcnt - 4.7 -mno-bmi2 - 4.7 -mno-avx2 - 4.6 -mno-tbm - 4.6 -mno-rdrnd - 4.6 -mno-fsgsbase - 4.6 -mno-f16c - 4.6 -mno-bmi - 4.5 -mno-xop - 4.5 -mno-movbe - 4.5 -mno-lwp - 4.5 -mno-fma4 - 4.4 -mno-pclmul - 4.4 -mno-fma - 4.4 -mno-avx - 4.4 -mno-aes - 4.3 -mno-ssse3 - 4.3 -mno-sse4a - 4.3 -mno-sse4 - 4.3 -mno-sse4.2 - 4.3 -mno-sse4.1 - 4.3 -mno-popcnt - 4.3 -mno-abm - ) - - for ((i = 0; i < ${#isalist[@]}; i += 2)) ; do - ver=${isalist[i]} - isa=${isalist[i + 1]} - tc_version_is_at_least ${ver} ${bver} || filter-flags ${isa} ${isa/-m/-mno-} - done -} - -gcc_do_filter_flags() { - # Allow users to explicitly avoid flag sanitization via - # USE=custom-cflags. - if ! _tc_use_if_iuse custom-cflags; then - # Over-zealous CFLAGS can often cause problems. What may work for one - # person may not work for another. To avoid a large influx of bugs - # relating to failed builds, we strip most CFLAGS out to ensure as few - # problems as possible. - strip-flags - # Lock gcc at -O2; we want to be conservative here. - filter-flags '-O?' - append-flags -O2 - fi - - # dont want to funk ourselves - filter-flags '-mabi*' -m31 -m32 -m64 - - filter-flags -frecord-gcc-switches # 490738 - filter-flags -mno-rtm -mno-htm # 506202 - - if tc_version_is_between 6 8 ; then - # -mstackrealign triggers crashes in exception throwing - # at least on ada: bug #688580 - # The reason is unknown. Drop the flag for now. - filter-flags -mstackrealign - fi - - case $(tc-arch) in - amd64|x86) - filter-flags '-mcpu=*' - - tc_version_is_between 4.4 4.5 && append-flags -mno-avx # 357287 - - if tc_version_is_between 4.6 4.7 ; then - # https://bugs.gentoo.org/411333 - # https://bugs.gentoo.org/466454 - replace-cpu-flags c3-2 pentium2 pentium3 pentium3m pentium-m i686 - fi - ;; - alpha) - # https://bugs.gentoo.org/454426 - append-ldflags -Wl,--no-relax - ;; - sparc) - # temporary workaround for random ICEs reproduced by multiple users - # https://bugs.gentoo.org/457062 - tc_version_is_between 4.6 4.8 && MAKEOPTS+=" -j1" - ;; - *-macos) - # http://gcc.gnu.org/PR25127 - tc_version_is_between 4.0 4.2 && \ - filter-flags '-mcpu=*' '-march=*' '-mtune=*' - ;; - esac - - strip-unsupported-flags - - # these are set here so we have something sane at configure time - if is_crosscompile ; then - # Set this to something sane for both native and target - CFLAGS="-O2 -pipe" - FFLAGS=${CFLAGS} - FCFLAGS=${CFLAGS} - - # "hppa2.0-unknown-linux-gnu" -> hppa2_0_unknown_linux_gnu - local VAR="CFLAGS_"${CTARGET//[-.]/_} - CXXFLAGS=${!VAR-${CFLAGS}} - fi - - export GCJFLAGS=${GCJFLAGS:-${CFLAGS}} -} - -setup_minispecs_gcc_build_specs() { - # Setup the "build.specs" file for gcc 4.3 to use when building. - if hardened_gcc_works pie ; then - cat "${WORKDIR}"/specs/pie.specs >> "${WORKDIR}"/build.specs - fi - if hardened_gcc_works ssp ; then - for s in ssp sspall ; do - cat "${WORKDIR}"/specs/${s}.specs >> "${WORKDIR}"/build.specs - done - fi - for s in nostrict znow ; do - cat "${WORKDIR}"/specs/${s}.specs >> "${WORKDIR}"/build.specs - done - export GCC_SPECS="${WORKDIR}"/build.specs -} - -gcc-multilib-configure() { - if ! is_multilib ; then - confgcc+=( --disable-multilib ) - # Fun times: if we are building for a target that has multiple - # possible ABI formats, and the user has told us to pick one - # that isn't the default, then not specifying it via the list - # below will break that on us. - else - confgcc+=( --enable-multilib ) - fi - - # translate our notion of multilibs into gcc's - local abi list - for abi in $(get_all_abis TARGET) ; do - local l=$(gcc-abi-map ${abi}) - [[ -n ${l} ]] && list+=",${l}" - done - if [[ -n ${list} ]] ; then - case ${CTARGET} in - x86_64*) - tc_version_is_at_least 4.8 && confgcc+=( --with-multilib-list=${list:1} ) - ;; - esac - fi -} - -gcc-abi-map() { - # Convert the ABI name we use in Gentoo to what gcc uses - local map=() - case ${CTARGET} in - mips*) map=("o32 32" "n32 n32" "n64 64") ;; - riscv*) map=("lp64d lp64d" "lp64 lp64" "ilp32d ilp32d" "ilp32 ilp32") ;; - x86_64*) map=("amd64 m64" "x86 m32" "x32 mx32") ;; - esac - - local m - for m in "${map[@]}" ; do - l=( ${m} ) - [[ $1 == ${l[0]} ]] && echo ${l[1]} && break - done -} - -#----> src_compile <---- - -toolchain_src_compile() { - touch "${S}"/gcc/c-gperf.h - - # Do not make manpages if we do not have perl ... - [[ ! -x /usr/bin/perl ]] \ - && find "${WORKDIR}"/build -name '*.[17]' -exec touch {} + - - # To compile ada library standard files special compiler options are passed - # via ADAFLAGS in the Makefile. - # Unset ADAFLAGS as setting this override the options - unset ADAFLAGS - - # Older gcc versions did not detect bash and re-exec itself, so force the - # use of bash. Newer ones will auto-detect, but this is not harmful. - # This needs to be set for compile as well, as it's used in libtool - # generation, which will break install otherwise (at least in 3.3.6): #664486 - CONFIG_SHELL="${EPREFIX}/bin/bash" \ - gcc_do_make ${GCC_MAKE_TARGET} -} - -gcc_do_make() { - # This function accepts one optional argument, the make target to be used. - # If omitted, gcc_do_make will try to guess whether it should use all, - # or bootstrap-lean depending on CTARGET and arch. - # An example of how to use this function: - # - # gcc_do_make all-target-libstdc++-v3 - - [[ -n ${1} ]] && GCC_MAKE_TARGET=${1} - - # default target - if is_crosscompile || tc-is-cross-compiler ; then - # 3 stage bootstrapping doesnt quite work when you cant run the - # resulting binaries natively ^^; - GCC_MAKE_TARGET=${GCC_MAKE_TARGET-all} - else - if _tc_use_if_iuse pgo; then - GCC_MAKE_TARGET=${GCC_MAKE_TARGET-profiledbootstrap} - else - GCC_MAKE_TARGET=${GCC_MAKE_TARGET-bootstrap-lean} - fi - fi - - # Older versions of GCC could not do profiledbootstrap in parallel due to - # collisions with profiling info. - if [[ ${GCC_MAKE_TARGET} == "profiledbootstrap" ]]; then - ! tc_version_is_at_least 4.6 && export MAKEOPTS="${MAKEOPTS} -j1" - fi - - if [[ ${GCC_MAKE_TARGET} == "all" ]] ; then - STAGE1_CFLAGS=${STAGE1_CFLAGS-"${CFLAGS}"} - elif [[ $(gcc-version) == "3.4" && ${GCC_BRANCH_VER} == "3.4" ]] && gcc-specs-ssp ; then - # See bug #79852 - STAGE1_CFLAGS=${STAGE1_CFLAGS-"-O2"} - fi - - if is_crosscompile; then - # In 3.4, BOOT_CFLAGS is never used on a crosscompile... - # but I'll leave this in anyways as someone might have had - # some reason for putting it in here... --eradicator - BOOT_CFLAGS=${BOOT_CFLAGS-"-O2"} - else - # we only want to use the system's CFLAGS if not building a - # cross-compiler. - BOOT_CFLAGS=${BOOT_CFLAGS-"$(get_abi_CFLAGS ${TARGET_DEFAULT_ABI}) ${CFLAGS}"} - fi - - einfo "Compiling ${PN} (${GCC_MAKE_TARGET})..." - - pushd "${WORKDIR}"/build >/dev/null - - emake \ - LDFLAGS="${LDFLAGS}" \ - STAGE1_CFLAGS="${STAGE1_CFLAGS}" \ - LIBPATH="${LIBPATH}" \ - BOOT_CFLAGS="${BOOT_CFLAGS}" \ - ${GCC_MAKE_TARGET} \ - || die "emake failed with ${GCC_MAKE_TARGET}" - - if is_ada; then - # Without these links it is not getting the good compiler - # Need to check why - ln -s gcc ../build/prev-gcc || die - ln -s ${CHOST} ../build/prev-${CHOST} || die - # Building standard ada library - emake -C gcc gnatlib-shared - # Building gnat toold - emake -C gcc gnattools - fi - - if ! is_crosscompile && _tc_use_if_iuse cxx && _tc_use_if_iuse doc ; then - if type -p doxygen > /dev/null ; then - if tc_version_is_at_least 4.3 ; then - cd "${CTARGET}"/libstdc++-v3/doc - emake doc-man-doxygen || ewarn "failed to make docs" - else - cd "${CTARGET}"/libstdc++-v3 - emake doxygen-man || ewarn "failed to make docs" - fi - # Clean bogus manpages. #113902 - find -name '*_build_*' -delete - # Blow away generated directory references. Newer versions of gcc - # have gotten better at this, but not perfect. This is easier than - # backporting all of the various doxygen patches. #486754 - find -name '*_.3' -exec grep -l ' Directory Reference ' {} + | \ - xargs rm -f - else - ewarn "Skipping libstdc++ manpage generation since you don't have doxygen installed" - fi - fi - - popd >/dev/null -} - -#---->> src_test <<---- - -toolchain_src_test() { - cd "${WORKDIR}"/build - # 'asan' wants to be preloaded first, so does 'sandbox'. - # To make asan tests work disable sandbox for all of test suite. - # 'backtrace' tests also does not like 'libsandbox.so' presence. - SANDBOX_ON=0 LD_PRELOAD= emake -k check -} - -#---->> src_install <<---- - -toolchain_src_install() { - cd "${WORKDIR}"/build - - # Don't allow symlinks in private gcc include dir as this can break the build - find gcc/include*/ -type l -delete - - # Copy over the info pages. We disabled their generation earlier, but the - # build system only expects to install out of the build dir, not the source. #464008 - mkdir -p gcc/doc - local x= - for x in "${S}"/gcc/doc/*.info* ; do - if [[ -f ${x} ]] ; then - cp "${x}" gcc/doc/ || die - fi - done - - # We remove the generated fixincludes, as they can cause things to break - # (ncurses, openssl, etc). We do not prevent them from being built, as - # in the following commit which we revert: - # https://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/eclass/toolchain.eclass?r1=1.647&r2=1.648 - # This is because bsd userland needs fixedincludes to build gcc, while - # linux does not. Both can dispose of them afterwards. - while read x ; do - grep -q 'It has been auto-edited by fixincludes from' "${x}" \ - && rm -f "${x}" - done < <(find gcc/include*/ -name '*.h') - - # Do the 'make install' from the build directory - S="${WORKDIR}"/build emake -j1 DESTDIR="${D}" install || die - - # Punt some tools which are really only useful while building gcc - find "${ED}" -name install-tools -prune -type d -exec rm -rf "{}" \; - # This one comes with binutils - find "${ED}" -name libiberty.a -delete - - # Move the libraries to the proper location - gcc_movelibs - - # Basic sanity check - if ! is_crosscompile ; then - local EXEEXT - eval $(grep ^EXEEXT= "${WORKDIR}"/build/gcc/config.log) - [[ -r ${D}${BINPATH}/gcc${EXEEXT} ]] || die "gcc not found in ${ED}" - fi - - dodir /etc/env.d/gcc - create_gcc_env_entry - create_revdep_rebuild_entry - - # Setup the gcc_env_entry for hardened gcc 4 with minispecs - want_minispecs && copy_minispecs_gcc_specs - - # Make sure we dont have stuff lying around that - # can nuke multiple versions of gcc - gcc_slot_java - - dodir /usr/bin - cd "${D}"${BINPATH} - # Ugh: we really need to auto-detect this list. - # It's constantly out of date. - for x in cpp gcc g++ c++ gcov g77 gcj gcjh gfortran gccgo gnat* ; do - # For some reason, g77 gets made instead of ${CTARGET}-g77... - # this should take care of that - if [[ -f ${x} ]] ; then - # In case they're hardlinks, clear out the target first - # otherwise the mv below will complain. - rm -f ${CTARGET}-${x} - mv ${x} ${CTARGET}-${x} - fi - - if [[ -f ${CTARGET}-${x} ]] ; then - if ! is_crosscompile ; then - ln -sf ${CTARGET}-${x} ${x} - dosym ${BINPATH}/${CTARGET}-${x} \ - /usr/bin/${x}-${GCC_CONFIG_VER} - fi - # Create versioned symlinks - dosym ${BINPATH}/${CTARGET}-${x} \ - /usr/bin/${CTARGET}-${x}-${GCC_CONFIG_VER} - fi - - if [[ -f ${CTARGET}-${x}-${GCC_CONFIG_VER} ]] ; then - rm -f ${CTARGET}-${x}-${GCC_CONFIG_VER} - ln -sf ${CTARGET}-${x} ${CTARGET}-${x}-${GCC_CONFIG_VER} - fi - done - - # When gcc builds a crosscompiler it does not install unprefixed tools. - # When cross-building gcc does install native tools. - if ! is_crosscompile; then - # Rename the main go binaries as we don't want to clobber dev-lang/go - # when gcc-config runs. #567806 - if tc_version_is_at_least 5 && is_go ; then - for x in go gofmt; do - mv ${x} ${x}-${GCCMAJOR} || die - done - fi - fi - - # As gcc installs object files built against bost ${CHOST} and ${CTARGET} - # ideally we will need to strip them using different tools: - # Using ${CHOST} tools: - # - "${D}${BINPATH}" - # - (for is_crosscompile) "${D}${HOSTLIBPATH}" - # - "${D}${PREFIX}/libexec/gcc/${CTARGET}/${GCC_CONFIG_VER}" - # Using ${CTARGET} tools: - # - "${D}${LIBPATH}" - # As dostrip does not specify host to override ${CHOST} tools just skip - # non-native binary stripping. - is_crosscompile && tc_supports_dostrip && dostrip -x "${LIBPATH}" - - cd "${S}" - if is_crosscompile; then - rm -rf "${ED}"/usr/share/{man,info} - rm -rf "${D}"${DATAPATH}/{man,info} - else - local cxx_mandir=$(find "${WORKDIR}/build/${CTARGET}/libstdc++-v3" -name man) - if [[ -d ${cxx_mandir} ]] ; then - cp -r "${cxx_mandir}"/man? "${D}${DATAPATH}"/man/ - fi - fi - - # portage regenerates 'dir' files on it's own: bug #672408 - # Drop 'dir' files to avoid collisions. - if [[ -f "${D}${DATAPATH}"/info/dir ]]; then - einfo "Deleting '${D}${DATAPATH}/info/dir'" - rm "${D}${DATAPATH}"/info/dir || die - fi - - # prune empty dirs left behind - find "${ED}" -depth -type d -delete 2>/dev/null - - # libstdc++.la: Delete as it doesn't add anything useful: g++ itself - # handles linkage correctly in the dynamic & static case. It also just - # causes us pain: any C++ progs/libs linking with libtool will gain a - # reference to the full libstdc++.la file which is gcc version specific. - # libstdc++fs.la: It doesn't link against anything useful. - # libsupc++.la: This has no dependencies. - # libcc1.la: There is no static library, only dynamic. - # libcc1plugin.la: Same as above, and it's loaded via dlopen. - # libcp1plugin.la: Same as above, and it's loaded via dlopen. - # libgomp.la: gcc itself handles linkage (libgomp.spec). - # libgomp-plugin-*.la: Same as above, and it's an internal plugin only - # loaded via dlopen. - # libgfortran.la: gfortran itself handles linkage correctly in the - # dynamic & static case (libgfortran.spec). #573302 - # libgfortranbegin.la: Same as above, and it's an internal lib. - # libmpx.la: gcc itself handles linkage correctly (libmpx.spec). - # libmpxwrappers.la: See above. - # libitm.la: gcc itself handles linkage correctly (libitm.spec). - # libvtv.la: gcc itself handles linkage correctly. - # lib*san.la: Sanitizer linkage is handled internally by gcc, and they - # do not support static linking. #487550 #546700 - find "${D}${LIBPATH}" \ - '(' \ - -name libstdc++.la -o \ - -name libstdc++fs.la -o \ - -name libsupc++.la -o \ - -name libcc1.la -o \ - -name libcc1plugin.la -o \ - -name libcp1plugin.la -o \ - -name 'libgomp.la' -o \ - -name 'libgomp-plugin-*.la' -o \ - -name libgfortran.la -o \ - -name libgfortranbegin.la -o \ - -name libmpx.la -o \ - -name libmpxwrappers.la -o \ - -name libitm.la -o \ - -name libvtv.la -o \ - -name 'lib*san.la' \ - ')' -type f -delete - - # Use gid of 0 because some stupid ports don't have - # the group 'root' set to gid 0. Send to /dev/null - # for people who are testing as non-root. - chown -R root:0 "${D}${LIBPATH}" 2>/dev/null - - # Installing gdb pretty-printers into gdb-specific location. - local py gdbdir=/usr/share/gdb/auto-load${LIBPATH} - pushd "${D}${LIBPATH}" >/dev/null - for py in $(find . -name '*-gdb.py') ; do - local multidir=${py%/*} - insinto "${gdbdir}/${multidir}" - sed -i "/^libdir =/s:=.*:= '${LIBPATH}/${multidir}':" "${py}" || die #348128 - doins "${py}" || die - rm "${py}" || die - done - popd >/dev/null - - # Don't scan .gox files for executable stacks - false positives - export QA_EXECSTACK="usr/lib*/go/*/*.gox" - export QA_WX_LOAD="usr/lib*/go/*/*.gox" - - # Disable RANDMMAP so PCH works. #301299 - if tc_version_is_at_least 4.3 ; then - pax-mark -r "${D}${PREFIX}/libexec/gcc/${CTARGET}/${GCC_CONFIG_VER}/cc1" - pax-mark -r "${D}${PREFIX}/libexec/gcc/${CTARGET}/${GCC_CONFIG_VER}/cc1plus" - fi - - # Disable MPROTECT so java works. #574808 - if is_gcj ; then - pax-mark -m "${D}${PREFIX}/libexec/gcc/${CTARGET}/${GCC_CONFIG_VER}/ecj1" - pax-mark -m "${D}${PREFIX}/${CTARGET}/gcc-bin/${GCC_CONFIG_VER}/gij" - fi -} - -# Move around the libs to the right location. For some reason, -# when installing gcc, it dumps internal libraries into /usr/lib -# instead of the private gcc lib path -gcc_movelibs() { - # For non-target libs which are for CHOST and not CTARGET, we want to - # move them to the compiler-specific CHOST internal dir. This is stuff - # that you want to link against when building tools rather than building - # code to run on the target. - if tc_version_is_at_least 5 && is_crosscompile ; then - dodir "${HOSTLIBPATH#${EPREFIX}}" - mv "${ED}"/usr/$(get_libdir)/libcc1* "${D}${HOSTLIBPATH}" || die - fi - # libgccjit gets installed to /usr/lib, not /usr/$(get_libdir). Probably - # due to a bug in gcc build system. - if is_jit ; then - dodir "${LIBPATH#${EPREFIX}}" - mv "${ED}"/usr/lib/libgccjit* "${D}${LIBPATH}" || die - fi - - # For all the libs that are built for CTARGET, move them into the - # compiler-specific CTARGET internal dir. - local x multiarg removedirs="" - for multiarg in $($(XGCC) -print-multi-lib) ; do - multiarg=${multiarg#*;} - multiarg=${multiarg//@/ -} - - local OS_MULTIDIR=$($(XGCC) ${multiarg} --print-multi-os-directory) - local MULTIDIR=$($(XGCC) ${multiarg} --print-multi-directory) - local TODIR="${D}${LIBPATH}"/${MULTIDIR} - local FROMDIR= - - [[ -d ${TODIR} ]] || mkdir -p ${TODIR} - - for FROMDIR in \ - "${LIBPATH}"/${OS_MULTIDIR} \ - "${LIBPATH}"/../${MULTIDIR} \ - "${PREFIX}"/lib/${OS_MULTIDIR} \ - "${PREFIX}"/${CTARGET}/lib/${OS_MULTIDIR} - do - removedirs="${removedirs} ${FROMDIR}" - FROMDIR=${D}${FROMDIR} - if [[ ${FROMDIR} != "${TODIR}" && -d ${FROMDIR} ]] ; then - local files=$(find "${FROMDIR}" -maxdepth 1 ! -type d 2>/dev/null) - if [[ -n ${files} ]] ; then - mv ${files} "${TODIR}" || die - fi - fi - done - fix_libtool_libdir_paths "${LIBPATH}/${MULTIDIR}" - - # SLOT up libgcj.pc if it's available (and let gcc-config worry about links) - FROMDIR="${PREFIX}/lib/${OS_MULTIDIR}" - for x in "${D}${FROMDIR}"/pkgconfig/libgcj*.pc ; do - [[ -f ${x} ]] || continue - sed -i "/^libdir=/s:=.*:=${LIBPATH}/${MULTIDIR}:" "${x}" || die - mv "${x}" "${D}${FROMDIR}"/pkgconfig/libgcj-${GCC_PV}.pc || die - done - done - - # We remove directories separately to avoid this case: - # mv SRC/lib/../lib/*.o DEST - # rmdir SRC/lib/../lib/ - # mv SRC/lib/../lib32/*.o DEST # Bork - for FROMDIR in ${removedirs} ; do - rmdir "${D}"${FROMDIR} >& /dev/null - done - find -depth "${ED}" -type d -exec rmdir {} + >& /dev/null -} - -# make sure the libtool archives have libdir set to where they actually -# -are-, and not where they -used- to be. also, any dependencies we have -# on our own .la files need to be updated. -fix_libtool_libdir_paths() { - local libpath="$1" - - pushd "${D}" >/dev/null - - pushd "./${libpath}" >/dev/null - local dir="${PWD#${D%/}}" - local allarchives=$(echo *.la) - allarchives="\(${allarchives// /\\|}\)" - popd >/dev/null - - # The libdir might not have any .la files. #548782 - find "./${dir}" -maxdepth 1 -name '*.la' \ - -exec sed -i -e "/^libdir=/s:=.*:='${dir}':" {} + || die - # Would be nice to combine these, but -maxdepth can not be specified - # on sub-expressions. - find "./${PREFIX}"/lib* -maxdepth 3 -name '*.la' \ - -exec sed -i -e "/^dependency_libs=/s:/[^ ]*/${allarchives}:${libpath}/\1:g" {} + || die - find "./${dir}/" -maxdepth 1 -name '*.la' \ - -exec sed -i -e "/^dependency_libs=/s:/[^ ]*/${allarchives}:${libpath}/\1:g" {} + || die - - popd >/dev/null -} - -create_gcc_env_entry() { - dodir /etc/env.d/gcc - local gcc_envd_base="/etc/env.d/gcc/${CTARGET}-${GCC_CONFIG_VER}" - - local gcc_specs_file - local gcc_envd_file="${ED}${gcc_envd_base}" - if [[ -z $1 ]] ; then - # I'm leaving the following commented out to remind me that it - # was an insanely -bad- idea. Stuff broke. GCC_SPECS isnt unset - # on chroot or in non-toolchain.eclass gcc ebuilds! - #gcc_specs_file="${LIBPATH}/specs" - gcc_specs_file="" - else - gcc_envd_file+="-$1" - gcc_specs_file="${LIBPATH}/$1.specs" - fi - - # We want to list the default ABI's LIBPATH first so libtool - # searches that directory first. This is a temporary - # workaround for libtool being stupid and using .la's from - # conflicting ABIs by using the first one in the search path - local ldpaths mosdirs - local mdir mosdir abi ldpath - for abi in $(get_all_abis TARGET) ; do - mdir=$($(XGCC) $(get_abi_CFLAGS ${abi}) --print-multi-directory) - ldpath=${LIBPATH} - [[ ${mdir} != "." ]] && ldpath+="/${mdir}" - ldpaths="${ldpath}${ldpaths:+:${ldpaths}}" - - mosdir=$($(XGCC) $(get_abi_CFLAGS ${abi}) -print-multi-os-directory) - mosdirs="${mosdir}${mosdirs:+:${mosdirs}}" - done - - cat <<-EOF > ${gcc_envd_file} - GCC_PATH="${BINPATH}" - LDPATH="${ldpaths}" - MANPATH="${DATAPATH}/man" - INFOPATH="${DATAPATH}/info" - STDCXX_INCDIR="${STDCXX_INCDIR##*/}" - CTARGET="${CTARGET}" - GCC_SPECS="${gcc_specs_file}" - MULTIOSDIRS="${mosdirs}" - EOF -} - -create_revdep_rebuild_entry() { - local revdep_rebuild_base="/etc/revdep-rebuild/05cross-${CTARGET}-${GCC_CONFIG_VER}" - local revdep_rebuild_file="${ED}${revdep_rebuild_base}" - - is_crosscompile || return 0 - - dodir /etc/revdep-rebuild - cat <<-EOF > "${revdep_rebuild_file}" - # Generated by ${CATEGORY}/${PF} - # Ignore libraries built for ${CTARGET}, https://bugs.gentoo.org/692844. - SEARCH_DIRS_MASK="${LIBPATH}" - EOF -} - -copy_minispecs_gcc_specs() { - # on gcc 6 we don't need minispecs - if tc_version_is_at_least 6.0 ; then - return 0 - fi - - # setup the hardenedno* specs files and the vanilla specs file. - if hardened_gcc_works ; then - create_gcc_env_entry hardenednopiessp - fi - if hardened_gcc_works pie ; then - create_gcc_env_entry hardenednopie - fi - if hardened_gcc_works ssp ; then - create_gcc_env_entry hardenednossp - fi - create_gcc_env_entry vanilla - insinto ${LIBPATH#${EPREFIX}} - doins "${WORKDIR}"/specs/*.specs || die "failed to install specs" - # Build system specs file which, if it exists, must be a complete set of - # specs as it completely and unconditionally overrides the builtin specs. - if ! tc_version_is_at_least 4.4 ; then - $(XGCC) -dumpspecs > "${WORKDIR}"/specs/specs - cat "${WORKDIR}"/build.specs >> "${WORKDIR}"/specs/specs - doins "${WORKDIR}"/specs/specs || die "failed to install the specs file" - fi -} - -gcc_slot_java() { - local x - - # Move Java headers to compiler-specific dir - for x in "${D}${PREFIX}"/include/gc*.h "${D}${PREFIX}"/include/j*.h ; do - [[ -f ${x} ]] && mv -f "${x}" "${D}${LIBPATH}"/include/ - done - for x in gcj gnu java javax org ; do - if [[ -d ${D}${PREFIX}/include/${x} ]] ; then - dodir /${LIBPATH#${EPREFIX}}/include/${x} - mv -f "${D}${PREFIX}"/include/${x}/* "${D}${LIBPATH}"/include/${x}/ - rm -rf "${D}${PREFIX}"/include/${x} - fi - done - - if [[ -d ${D}${PREFIX}/lib/security ]] || [[ -d ${D}${PREFIX}/$(get_libdir)/security ]] ; then - dodir /${LIBPATH#${EPREFIX}}/security - mv -f "${D}${PREFIX}"/lib*/security/* "${D}${LIBPATH}"/security - rm -rf "${D}${PREFIX}"/lib*/security - fi - - # Move random gcj files to compiler-specific directories - for x in libgcj.spec logging.properties ; do - x="${D}${PREFIX}/lib/${x}" - [[ -f ${x} ]] && mv -f "${x}" "${D}${LIBPATH}"/ - done - - # Rename jar because it could clash with Kaffe's jar if this gcc is - # primary compiler (aka don't have the -<version> extension) - cd "${D}${BINPATH}" - [[ -f jar ]] && mv -f jar gcj-jar -} - -#---->> pkg_post* <<---- - -toolchain_pkg_postinst() { - do_gcc_config - if [[ ! ${ROOT%/} && -f ${EPREFIX}/usr/share/eselect/modules/compiler-shadow.eselect ]] ; then - eselect compiler-shadow update all - fi - - if ! is_crosscompile && [[ ${PN} != "kgcc64" ]] ; then - # gcc stopped installing .la files fixer in June 2020. - # Cleaning can be removed in June 2022. - rm -f "${EROOT%/}"/sbin/fix_libtool_files.sh - rm -f "${EROOT%/}"/usr/sbin/fix_libtool_files.sh - rm -f "${EROOT%/}"/usr/share/gcc-data/fixlafiles.awk - fi -} - -toolchain_pkg_postrm() { - do_gcc_config - if [[ ! ${ROOT%/} && -f ${EPREFIX}/usr/share/eselect/modules/compiler-shadow.eselect ]] ; then - eselect compiler-shadow clean all - fi - - # clean up the cruft left behind by cross-compilers - if is_crosscompile ; then - if [[ -z $(ls "${EROOT%/}"/etc/env.d/gcc/${CTARGET}* 2>/dev/null) ]] ; then - einfo "Removing last cross-compiler instance. Deleting dangling symlinks." - rm -f "${EROOT%/}"/etc/env.d/gcc/config-${CTARGET} - rm -f "${EROOT%/}"/etc/env.d/??gcc-${CTARGET} - rm -f "${EROOT%/}"/usr/bin/${CTARGET}-{gcc,{g,c}++}{,32,64} - fi - return 0 - fi - - # gcc stopped installing .la files fixer in June 2020. - # Cleaning can be removed in June 2022. - rm -f "${EROOT%/}"/sbin/fix_libtool_files.sh - rm -f "${EROOT%/}"/usr/share/gcc-data/fixlafiles.awk -} - -do_gcc_config() { - if ! should_we_gcc_config ; then - gcc-config --use-old --force - return 0 - fi - - local current_gcc_config target - - current_gcc_config=$(gcc-config -c ${CTARGET} 2>/dev/null) - if [[ -n ${current_gcc_config} ]] ; then - local current_specs use_specs - # figure out which specs-specific config is active - current_specs=$(gcc-config -S ${current_gcc_config} | awk '{print $3}') - [[ -n ${current_specs} ]] && use_specs=-${current_specs} - - if [[ -n ${use_specs} ]] && \ - [[ ! -e ${EROOT%/}/etc/env.d/gcc/${CTARGET}-${GCC_CONFIG_VER}${use_specs} ]] - then - ewarn "The currently selected specs-specific gcc config," - ewarn "${current_specs}, doesn't exist anymore. This is usually" - ewarn "due to enabling/disabling hardened or switching to a version" - ewarn "of gcc that doesnt create multiple specs files. The default" - ewarn "config will be used, and the previous preference forgotten." - use_specs="" - fi - - target="${CTARGET}-${GCC_CONFIG_VER}${use_specs}" - else - # The curent target is invalid. Attempt to switch to a valid one. - # Blindly pick the latest version. #529608 - # TODO: Should update gcc-config to accept `-l ${CTARGET}` rather than - # doing a partial grep like this. - target=$(gcc-config -l 2>/dev/null | grep " ${CTARGET}-[0-9]" | tail -1 | awk '{print $2}') - fi - - gcc-config "${target}" -} - -should_we_gcc_config() { - # if the current config is invalid, we definitely want a new one - # Note: due to bash quirkiness, the following must not be 1 line - local curr_config - curr_config=$(gcc-config -c ${CTARGET} 2>&1) || return 0 - - # if the previously selected config has the same major.minor (branch) as - # the version we are installing, then it will probably be uninstalled - # for being in the same SLOT, make sure we run gcc-config. - local curr_config_ver=$(gcc-config -S ${curr_config} | awk '{print $2}') - - local curr_branch_ver=$(ver_cut 1-2 ${curr_config_ver}) - - if [[ ${curr_branch_ver} == ${GCC_BRANCH_VER} ]] ; then - return 0 - else - # if we're installing a genuinely different compiler version, - # we should probably tell the user -how- to switch to the new - # gcc version, since we're not going to do it for him/her. - # We don't want to switch from say gcc-3.3 to gcc-3.4 right in - # the middle of an emerge operation (like an 'emerge -e world' - # which could install multiple gcc versions). - # Only warn if we're installing a pkg as we might be called from - # the pkg_{pre,post}rm steps. #446830 - if [[ ${EBUILD_PHASE} == *"inst" ]] ; then - einfo "The current gcc config appears valid, so it will not be" - einfo "automatically switched for you. If you would like to" - einfo "switch to the newly installed gcc version, do the" - einfo "following:" - echo - einfo "gcc-config ${CTARGET}-${GCC_CONFIG_VER}" - einfo "source /etc/profile" - echo - fi - return 1 - fi -} - -#---->> support and misc functions <<---- - -# This is to make sure we don't accidentally try to enable support for a -# language that doesnt exist. GCC 3.4 supports f77, while 4.0 supports f95, etc. -# -# Also add a hook so special ebuilds (kgcc64) can control which languages -# exactly get enabled -gcc-lang-supported() { - grep ^language=\"${1}\" "${S}"/gcc/*/config-lang.in > /dev/null || return 1 - [[ -z ${TOOLCHAIN_ALLOWED_LANGS} ]] && return 0 - has $1 ${TOOLCHAIN_ALLOWED_LANGS} -} - -_tc_use_if_iuse() { - in_iuse $1 && use $1 -} - -is_ada() { - gcc-lang-supported ada || return 1 - _tc_use_if_iuse ada -} - -is_cxx() { - gcc-lang-supported 'c++' || return 1 - _tc_use_if_iuse cxx -} - -is_d() { - gcc-lang-supported d || return 1 - _tc_use_if_iuse d -} - -is_f77() { - gcc-lang-supported f77 || return 1 - _tc_use_if_iuse fortran -} - -is_f95() { - gcc-lang-supported f95 || return 1 - _tc_use_if_iuse fortran -} - -is_fortran() { - gcc-lang-supported fortran || return 1 - _tc_use_if_iuse fortran -} - -is_gcj() { - gcc-lang-supported java || return 1 - _tc_use_if_iuse cxx && _tc_use_if_iuse gcj -} - -is_go() { - gcc-lang-supported go || return 1 - _tc_use_if_iuse cxx && _tc_use_if_iuse go -} - -is_jit() { - gcc-lang-supported jit || return 1 - # cross-compiler does not really support jit as it has - # to generate code for a target. On target like avr - # libgcclit.so can't link at all: bug #594572 - is_crosscompile && return 1 - _tc_use_if_iuse jit -} - -is_multilib() { - _tc_use_if_iuse multilib -} - -is_objc() { - gcc-lang-supported objc || return 1 - _tc_use_if_iuse objc -} - -is_objcxx() { - gcc-lang-supported 'obj-c++' || return 1 - _tc_use_if_iuse cxx && _tc_use_if_iuse objc++ -} - -# Grab a variable from the build system (taken from linux-info.eclass) -get_make_var() { - local var=$1 makefile=${2:-${WORKDIR}/build/Makefile} - echo -e "e:\\n\\t@echo \$(${var})\\ninclude ${makefile}" | \ - r=${makefile%/*} emake --no-print-directory -s -f - 2>/dev/null -} - -XGCC() { get_make_var GCC_FOR_TARGET ; } - -# The gentoo piessp patches allow for 3 configurations: -# 1) PIE+SSP by default -# 2) PIE by default -# 3) SSP by default -hardened_gcc_works() { - if [[ $1 == "pie" ]] ; then - # $gcc_cv_ld_pie is unreliable as it simply take the output of - # `ld --help | grep -- -pie`, that reports the option in all cases, also if - # the loader doesn't actually load the resulting executables. - # To avoid breakage, blacklist FreeBSD here at least - [[ ${CTARGET} == *-freebsd* ]] && return 1 - - want_pie || return 1 - _tc_use_if_iuse nopie && return 1 - hardened_gcc_is_stable pie - return $? - elif [[ $1 == "ssp" ]] ; then - [[ -n ${SPECS_VER} ]] || return 1 - _tc_use_if_iuse nossp && return 1 - hardened_gcc_is_stable ssp - return $? - else - # laziness ;) - hardened_gcc_works pie || return 1 - hardened_gcc_works ssp || return 1 - return 0 - fi -} - -hardened_gcc_is_stable() { - local tocheck - if [[ $1 == "pie" ]] ; then - if [[ ${CTARGET} == *-uclibc* ]] ; then - tocheck=${PIE_UCLIBC_STABLE} - else - tocheck=${PIE_GLIBC_STABLE} - fi - elif [[ $1 == "ssp" ]] ; then - if [[ ${CTARGET} == *-uclibc* ]] ; then - tocheck=${SSP_UCLIBC_STABLE} - elif [[ ${CTARGET} == *-gnu* ]] ; then - tocheck=${SSP_STABLE} - fi - else - die "hardened_gcc_stable needs to be called with pie or ssp" - fi - - has $(tc-arch) ${tocheck} && return 0 - return 1 -} - -want_minispecs() { - # on gcc 6 we don't need minispecs - if tc_version_is_at_least 6.0 ; then - return 0 - fi - if tc_version_is_at_least 4.3.2 && _tc_use_if_iuse hardened ; then - if ! want_pie ; then - ewarn "PIE_VER or SPECS_VER is not defined in the GCC ebuild." - elif use vanilla ; then - ewarn "You will not get hardened features if you have the vanilla USE-flag." - elif _tc_use_if_iuse nopie && _tc_use_if_iuse nossp ; then - ewarn "You will not get hardened features if you have the nopie and nossp USE-flag." - elif ! hardened_gcc_works ; then - ewarn "Your $(tc-arch) arch is not supported." - else - return 0 - fi - ewarn "Hope you know what you are doing. Hardened will not work." - return 0 - fi - return 1 -} - -want_pie() { - ! _tc_use_if_iuse hardened && [[ -n ${PIE_VER} ]] \ - && _tc_use_if_iuse nopie && return 1 - [[ -n ${PIE_VER} ]] && [[ -n ${SPECS_VER} ]] && return 0 - tc_version_is_at_least 4.3.2 && return 1 - [[ -z ${PIE_VER} ]] && return 1 - _tc_use_if_iuse nopie || return 0 - return 1 -} - -has toolchain_death_notice ${EBUILD_DEATH_HOOKS} || EBUILD_DEATH_HOOKS+=" toolchain_death_notice" -toolchain_death_notice() { - if [[ -e "${WORKDIR}"/build ]] ; then - pushd "${WORKDIR}"/build >/dev/null - (echo '' | $(tc-getCC ${CTARGET}) ${CFLAGS} -v -E - 2>&1) > gccinfo.log - [[ -e "${T}"/build.log ]] && cp "${T}"/build.log . - tar jcf "${WORKDIR}"/gcc-build-logs.tar.bz2 \ - gccinfo.log build.log $(find -name config.log) - rm gccinfo.log build.log - eerror - eerror "Please include ${WORKDIR}/gcc-build-logs.tar.bz2 in your bug report." - eerror - popd >/dev/null - fi -} - -# Note [implicitly enabled flags] -# ------------------------------- -# Usually configure-based packages handle explicit feature requests -# like -# ./configure --enable-foo -# as explicit request to check for support of 'foo' and bail out at -# configure time. -# -# GCC does not follow this pattern and instead overrides autodetection -# of the feature and enables it unconditionally. -# See bugs: -# https://gcc.gnu.org/PR85663 (libsanitizer on mips) -# https://bugs.gentoo.org/661252 (libvtv on powerpc64) -# -# Thus safer way to enable/disable the feature is to rely on implicit -# enabled-by-default state: -# econf $(usex foo '' --disable-foo)
