diff options
| author |   Fabian Groffen <grobian@gentoo.org> | 2022-06-06 10:41:37 +0200 |
|---|---|---|
| committer | Fabian Groffen <grobian@gentoo.org> | 2022-06-06 10:41:37 +0200 |
| commit | 5027081b510a47cbccec3cabd2dc6504b0484821 (patch) | |
| tree | d4a652bcfced1c9fc7e34c42dd8b97a913339892 | |
| parent | scripts/bootstrap-prefix: try and detect musl libc on Linux (diff) | |
| download | prefix-5027081b510a47cbccec3cabd2dc6504b0484821.tar.gz prefix-5027081b510a47cbccec3cabd2dc6504b0484821.tar.bz2 prefix-5027081b510a47cbccec3cabd2dc6504b0484821.zip | |
toolchain.eclass: sync with gx86
Signed-off-by: Fabian Groffen <grobian@gentoo.org>
| -rw-r--r-- | eclass/toolchain.eclass | 1327 |
1 files changed, 751 insertions, 576 deletions
diff --git a/eclass/toolchain.eclass b/eclass/toolchain.eclass index a07f9b680e..ed8c227c4a 100644 --- a/eclass/toolchain.eclass +++ b/eclass/toolchain.eclass @@ -1,23 +1,33 @@ -# Copyright 1999-2021 Gentoo Authors +# Copyright 1999-2022 Gentoo Authors # Distributed under the terms of the GNU General Public License v2 -# Maintainer: Toolchain Ninjas <toolchain@gentoo.org> -# @SUPPORTED_EAPIS: 5 6 7 +# @ECLASS: toolchain.eclass +# @MAINTAINER: +# Toolchain Ninjas <toolchain@gentoo.org> +# @SUPPORTED_EAPIS: 7 8 +# @BLURB: Common code for sys-devel/gcc ebuilds + +case ${EAPI} in + 7) inherit eutils ;; + 8) ;; + *) die "${ECLASS}: EAPI ${EAPI:-0} not supported" ;; +esac + +if [[ ! ${_TOOLCHAIN_ECLASS} ]]; then +_TOOLCHAIN_ECLASS=1 DESCRIPTION="The GNU Compiler Collection" HOMEPAGE="https://gcc.gnu.org/" -# TODO: Please audit this inherit list on future EAPI bumps and ideally -# conditonalise them where possible. -inherit eutils flag-o-matic gnuconfig libtool multilib pax-utils toolchain-funcs prefix +inherit edo flag-o-matic gnuconfig libtool multilib pax-utils toolchain-funcs prefix tc_is_live() { [[ ${PV} == *9999* ]] } if tc_is_live ; then - EGIT_REPO_URI="https://gcc.gnu.org/git/gcc.git" - # naming style: + EGIT_REPO_URI="https://gcc.gnu.org/git/gcc.git https://github.com/gcc-mirror/gcc" + # Naming style: # gcc-10.1.0_pre9999 -> gcc-10-branch # Note that the micro version is required or lots of stuff will break. # To checkout master set gcc_LIVE_BRANCH="master" in the ebuild before @@ -25,20 +35,12 @@ if tc_is_live ; then EGIT_BRANCH="releases/${PN}-${PV%.?.?_pre9999}" EGIT_BRANCH=${EGIT_BRANCH//./_} inherit git-r3 +elif [[ -n ${TOOLCHAIN_USE_GIT_PATCHES} ]] ; then + inherit git-r3 fi FEATURES=${FEATURES/multilib-strict/} -case ${EAPI:-0} in - 0|1|2|3|4*) die "Need to upgrade to at least EAPI=5" ;; - 5*|6) inherit eapi7-ver ;; - 7) ;; - *) die "I don't speak EAPI ${EAPI}." ;; -esac - -EXPORT_FUNCTIONS pkg_pretend pkg_setup src_unpack src_prepare src_configure \ - src_compile src_test src_install pkg_postinst pkg_postrm - #---->> globals <<---- export CTARGET=${CTARGET:-${CHOST}} @@ -58,50 +60,116 @@ is_crosscompile() { # The target prefix defaults to the host prefix, except for cross compilers, which targets the empty prefix by default. : ${TPREFIX:=$(is_crosscompile || echo "${EPREFIX}")} -# General purpose version check. Without a second arg matches up to minor version (x.x.x) +# @FUNCTION: tc_version_is_at_least +# @USAGE: ver1 [ver2] +# @DESCRIPTION: +# General purpose version check. Without a second argument, matches +# up to minor version (x.x.x). tc_version_is_at_least() { ver_test "${2:-${GCC_RELEASE_VER}}" -ge "$1" } -# General purpose version range check +# @FUNCTION: tc_version_is_between +# @USAGE: ver1 ver2 +# @DESCRIPTION: +# General purpose version range check. # Note that it matches up to but NOT including the second version tc_version_is_between() { tc_version_is_at_least "${1}" && ! tc_version_is_at_least "${2}" } +# @ECLASS_VARIABLE: TOOLCHAIN_GCC_PV +# @DEFAULT_UNSET +# @DESCRIPTION: +# Used to override GCC version. Useful for e.g. live ebuilds or snapshots. +# Defaults to ${PV}. + +# @ECLASS_VARIABLE: TOOLCHAIN_USE_GIT_PATCHES +# @DEFAULT_UNSET +# @DESCRIPTION: +# Used to force fetching patches from git. Useful for non-released versions +# of GCC where we don't want to keep creating patchset tarballs for a new +# release series (e.g. suppose 12.0 just got released, then adding snapshots +# for 13.0, we don't want to create new patchsets for every single 13.0 snapshot, +# so just grab patches from git each time if this variable is set). + +# @ECLASS_VARIABLE: TOOLCHAIN_PATCH_DEV +# @DEFAULT_UNSET +# @DESCRIPTION: +# Indicate the developer who hosts the patchset for an ebuild. + +# @ECLASS_VARIABLE: GCC_PV +# @INTERNAL +# @DESCRIPTION: +# Internal variable representing (spoofed) GCC version. GCC_PV=${TOOLCHAIN_GCC_PV:-${PV}} + +# @ECLASS_VARIABLE: GCC_PVR +# @INTERNAL +# @DESCRIPTION: +# Full GCC version including revision. GCC_PVR=${GCC_PV} [[ ${PR} != "r0" ]] && GCC_PVR=${GCC_PVR}-${PR} +# @ECLASS_VARIABLE: GCC_RELEASE_VER +# @INTERNAL +# @DESCRIPTION: # GCC_RELEASE_VER must always match 'gcc/BASE-VER' value. # It's an internal representation of gcc version used for: # - versioned paths on disk # - 'gcc -dumpversion' output. Must always match <digit>.<digit>.<digit>. GCC_RELEASE_VER=$(ver_cut 1-3 ${GCC_PV}) +# @ECLASS_VARIABLE: GCC_BRANCH_VER +# @INTERNAL +# @DESCRIPTION: +# GCC branch version. GCC_BRANCH_VER=$(ver_cut 1-2 ${GCC_PV}) +# @ECLASS_VARIABLE: GCCMAJOR +# @INTERNAL +# @DESCRIPTION: +# Major GCC version. GCCMAJOR=$(ver_cut 1 ${GCC_PV}) +# @ECLASS_VARIABLE: GCCMINOR +# @INTERNAL +# @DESCRIPTION: +# Minor GCC version. GCCMINOR=$(ver_cut 2 ${GCC_PV}) +# @ECLASS_VARIABLE: GCCMICRO +# @INTERNAL +# @DESCRIPTION: +# GCC micro version. GCCMICRO=$(ver_cut 3 ${GCC_PV}) +# @ECLASS_VARIABLE: GCC_CONFIG_VER +# @INTERNAL +# @DESCRIPTION: # Ideally this variable should allow for custom gentoo versioning # of binary and gcc-config names not directly tied to upstream -# versioning. In practive it's hard to untangle from gcc/BASE-VER +# versioning. In practice it's hard to untangle from gcc/BASE-VER # (GCC_RELEASE_VER) value. GCC_CONFIG_VER=${GCC_RELEASE_VER} # Pre-release support. Versioning schema: # 1.0.0_pre9999: live ebuild -# 1.2.3_alphaYYYYMMDD: weekly snapshots +# 1.2.3_pYYYYMMDD (or 1.2.3_preYYYYMMDD for unreleased major versions): weekly snapshots # 1.2.3_rcYYYYMMDD: release candidates -if [[ ${GCC_PV} == *_alpha* ]] ; then - # weekly snapshots - SNAPSHOT=${GCCMAJOR}-${GCC_PV##*_alpha} +if [[ ${GCC_PV} == *_pre* ]] ; then + # Weekly snapshots + SNAPSHOT=${GCCMAJOR}-${GCC_PV##*_pre} +elif [[ ${GCC_PV} == *_p* ]] ; then + # Weekly snapshots + SNAPSHOT=${GCCMAJOR}-${GCC_PV##*_p} elif [[ ${GCC_PV} == *_rc* ]] ; then - # release candidates + # Release candidates SNAPSHOT=${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}/${GCC_CONFIG_VER}} @@ -116,7 +184,7 @@ fi DATAPATH=${TOOLCHAIN_DATAPATH:-${PREFIX}/share/gcc-data/${CTARGET}/${GCC_CONFIG_VER}} -# Dont install in /usr/include/g++-v3/, but in gcc internal directory. +# Don't install in /usr/include/g++-v3/, but instead to gcc's internal directory. # We will handle /usr/include/g++-v3/ with gcc-config ... STDCXX_INCDIR=${TOOLCHAIN_STDCXX_INCDIR:-${LIBPATH}/include/g++-v${GCC_BRANCH_VER/\.*/}} @@ -126,46 +194,33 @@ LICENSE="GPL-3+ LGPL-3+ || ( GPL-3+ libgcc libstdc++ gcc-runtime-library-excepti IUSE="test vanilla +nls" RESTRICT="!test? ( test )" -tc_supports_dostrip() { - case ${EAPI:-0} in - 5*|6) return 1 ;; - 7) 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 - # --enable-altivec was dropped before gcc-4. We don't set it. - # We drop USE=altivec for newer gccs only to avoid rebuilds - # for most stable users. Once gcc-10 is stable we can drop it. - if ! tc_version_is_at_least 10; then - IUSE+=" altivec" - fi - IUSE+=" debug +cxx +nptl" TC_FEATURES+=(nptl) +# Prefix: allow gcc-apple post 4.2.1 +if [[ ${PN} != "kgcc64" && ${PN} != gcc-* ]] || + [[ ${PN} == "gcc-apple" && tc_version_is_at_least 12.1 ]] ; then + IUSE+=" debug +cxx +nptl" TC_FEATURES+=( nptl ) [[ -n ${PIE_VER} ]] && IUSE+=" nopie" [[ -n ${SPECS_VER} ]] && IUSE+=" nossp" - # fortran support appeared in 4.1, but 4.1 needs outdated mpfr - tc_version_is_at_least 4.2 && IUSE+=" +fortran" TC_FEATURES+=(fortran) - tc_version_is_at_least 3 && IUSE+=" doc hardened multilib objc" - tc_version_is_between 3 7 && IUSE+=" awt gcj" TC_FEATURES+=(gcj) - tc_version_is_at_least 3.3 && IUSE+=" pgo" - tc_version_is_at_least 4.0 && - IUSE+=" objc-gc" TC_FEATURES+=(objc-gc) - tc_version_is_at_least 4.1 && IUSE+=" libssp objc++" - tc_version_is_at_least 4.2 && IUSE+=" +openmp" + 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_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 @@ -173,28 +228,24 @@ if [[ ${PN} != "kgcc64" && ${PN} != gcc-* ]] ; then # <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) + IUSE+=" graphite" TC_FEATURES+=( graphite ) + tc_version_is_between 4.9 8 && IUSE+=" cilk" tc_version_is_at_least 4.9 && IUSE+=" ada" - - # Don't enable USE=vtv starting from gcc-10. Once gcc-10 - # stable everywhere disable by default on older versions - # as well. - if tc_version_is_at_least 10; then - IUSE+=" vtv" - elif tc_version_is_at_least 4.9; then - IUSE+=" +vtv" - fi + 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) + 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 10 && IUSE+=" cet" + 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 @@ -209,17 +260,15 @@ fi #---->> DEPEND <<---- RDEPEND="sys-libs/zlib - nls? ( virtual/libintl )" - -tc_version_is_at_least 3 && RDEPEND+=" virtual/libiconv" - -if tc_version_is_at_least 4 ; then - 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 + 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? ( ${GMP_MPFR_DEPS} )" fi tc_version_is_at_least 4.5 && RDEPEND+=" >=dev-libs/mpc-0.8.1:0=" @@ -245,24 +294,28 @@ BDEPEND=" DEPEND="${RDEPEND}" if tc_has_feature gcj ; then - GCJ_DEPS=">=media-libs/libart_lgpl-2.1" - GCJ_GTK_DEPS=" - x11-base/xorg-proto - x11-libs/libXt - x11-libs/libX11 - x11-libs/libXtst - =x11-libs/gtk+-2* - virtual/pkgconfig + DEPEND+=" + gcj? ( + app-arch/zip + app-arch/unzip + >=media-libs/libart_lgpl-2.1 + awt? ( + x11-base/xorg-proto + x11-libs/libXt + x11-libs/libX11 + x11-libs/libXtst + =x11-libs/gtk+-2* + x11-libs/pango + virtual/pkgconfig + ) + ) " - tc_version_is_at_least 3.4 && GCJ_GTK_DEPS+=" x11-libs/pango" - tc_version_is_at_least 4.2 && GCJ_DEPS+=" app-arch/zip app-arch/unzip" - DEPEND+=" gcj? ( awt? ( ${GCJ_GTK_DEPS} ) ${GCJ_DEPS} )" fi if tc_has_feature sanitize ; then # libsanitizer relies on 'crypt.h' to be present - # on target. glibc used to provide it unconditionally. - # Nowadays it's a standalone library: #802648 + # on target. glibc user to provide it unconditionally. + # Nowadays it's a standalone library: bug #802648 DEPEND+=" sanitize? ( virtual/libcrypt )" fi @@ -272,40 +325,86 @@ if tc_has_feature systemtap ; then fi if tc_has_feature zstd ; then - DEPEND+=" zstd? ( app-arch/zstd )" + DEPEND+=" zstd? ( app-arch/zstd:= )" + RDEPEND+=" zstd? ( app-arch/zstd:= )" fi if tc_has_feature valgrind; then BDEPEND+=" valgrind? ( dev-util/valgrind )" fi -case ${EAPI:-0} in - 5*|6) DEPEND+=" ${BDEPEND}" ;; -esac - # Prefix: our version is 1.9, so can't go with gx86's 2.3 -PDEPEND=">=sys-devel/gcc-config-1.7" +PDEPEND=">=sys-devel/gcc-config-1.9" #---->> S + SRC_URI essentials <<---- +# @ECLASS_VARIABLE: TOOLCHAIN_PATCH_SUFFIX +# @DESCRIPTION: +# Used to override compression used for for patchsets. +# Default is xz for EAPI 8+ and bz2 for older EAPIs. +if [[ ${EAPI} == 8 ]] ; then + : ${TOOLCHAIN_PATCH_SUFFIX:=xz} +else + # Older EAPIs + : ${TOOLCHAIN_PATCH_SUFFIX:=bz2} +fi + +# @ECLASS_VARIABLE: TOOLCHAIN_SET_S +# @DESCRIPTION: +# Used to override value of S for snapshots and such. Mainly useful +# if needing to set GCC_TARBALL_SRC_URI. +: ${TOOLCHAIN_SET_S:=yes} + # Set the source directory depending on whether we're using # a live git tree, snapshot, or release tarball. -S=$( - 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 -) +if [[ ${TOOLCHAIN_SET_S} == yes ]] ; then + S=$( + 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 + ) +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~slyfox/distfiles/URI" + # slyfox's distfiles are mirrored to sam's devspace + declare -A devspace_urls=( + [soap]=HTTP~soap/distfiles/URI + [sam]=HTTP~sam/distfiles/sys-devel/gcc/URI + [slyfox]=HTTP~sam/distfiles/URI + [tamiko]=HTTP~tamiko/distfiles/URI + [zorry]=HTTP~zorry/patches/gcc/URI + [vapier]=HTTP~vapier/dist/URI + [blueness]=HTTP~blueness/dist/URI + ) + + # Newer ebuilds should set TOOLCHAIN_PATCH_DEV and we'll just + # return the full URL from the array. + if [[ -n ${TOOLCHAIN_PATCH_DEV} ]] ; then + local devspace_url=${devspace_urls[${TOOLCHAIN_PATCH_DEV}]} + if [[ -n ${devspace_url} ]] ; then + local devspace_url_exp=${devspace_url//HTTP/https:\/\/dev.gentoo.org\/} + devspace_url_exp=${devspace_url_exp//URI/$1} + echo ${devspace_url_exp} + return + fi + fi + + # But we keep the old fallback list for compatibility with + # older ebuilds (overlays etc). + local devspace=" + HTTP~soap/distfiles/URI + HTTP~sam/distfiles/URI + HTTP~sam/distfiles/sys-devel/gcc/URI + HTTP~tamiko/distfiles/URI + HTTP~zorry/patches/gcc/URI + HTTP~vapier/dist/URI + HTTP~blueness/dist/URI" devspace=${devspace//HTTP/https:\/\/dev.gentoo.org\/} - echo mirror://gentoo/$1 ${devspace//URI/$1} + echo ${devspace//URI/$1} mirror://gentoo/$1 } # This function handles the basics of setting the SRC_URI for a gcc ebuild. @@ -330,19 +429,19 @@ gentoo_urls() { # PATCH_GCC_VER # This should be set to the version of the gentoo patch tarball. # The resulting filename of this tarball will be: -# gcc-${PATCH_GCC_VER:-${GCC_RELEASE_VER}}-patches-${PATCH_VER}.tar.bz2 +# gcc-${PATCH_GCC_VER:-${GCC_RELEASE_VER}}-patches-${PATCH_VER}.tar.xz # # PIE_VER # PIE_GCC_VER # These variables control patching in various updates for the logic -# controlling Position Independant Executables. PIE_VER is expected +# controlling Position Independent Executables. PIE_VER is expected # to be the version of this patch, and PIE_GCC_VER the gcc version of # the patch: # An example: # PIE_VER="8.7.6.5" # PIE_GCC_VER="3.4.0" # The resulting filename of this tarball will be: -# gcc-${PIE_GCC_VER:-${GCC_RELEASE_VER}}-piepatches-v${PIE_VER}.tar.bz2 +# gcc-${PIE_GCC_VER:-${GCC_RELEASE_VER}}-piepatches-v${PIE_VER}.tar.xz # # SPECS_VER # SPECS_GCC_VER @@ -354,7 +453,7 @@ gentoo_urls() { # SPECS_VER="8.7.6.5" # SPECS_GCC_VER="3.4.0" # The resulting filename of this tarball will be: -# gcc-${SPECS_GCC_VER:-${GCC_RELEASE_VER}}-specs-${SPECS_VER}.tar.bz2 +# gcc-${SPECS_GCC_VER:-${GCC_RELEASE_VER}}-specs-${SPECS_VER}.tar.xz # # CYGWINPORTS_GITREV # If set, this variable signals that we should apply additional patches @@ -365,7 +464,7 @@ gentoo_urls() { # with a Cygwin target. get_gcc_src_uri() { export PATCH_GCC_VER=${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}} @@ -375,10 +474,10 @@ get_gcc_src_uri() { if tc_is_live ; then : # Nothing to do w/git snapshots. elif [[ -n ${GCC_TARBALL_SRC_URI} ]] ; then - # pull gcc tarball from another location. Frequently used by gnat-gpl. + # Pull gcc tarball from another location. Frequently used by gnat-gpl. GCC_SRC_URI="${GCC_TARBALL_SRC_URI}" elif [[ -n ${SNAPSHOT} ]] ; then - GCC_SRC_URI="ftp://gcc.gnu.org/pub/gcc/snapshots/${SNAPSHOT}/gcc-${SNAPSHOT}.tar.xz" + GCC_SRC_URI="https://gcc.gnu.org/pub/gcc/snapshots/${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" @@ -387,18 +486,18 @@ get_gcc_src_uri() { 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)" + GCC_SRC_URI+=" $(gentoo_urls gcc-${PATCH_GCC_VER}-patches-${PATCH_VER}.tar.${TOOLCHAIN_PATCH_SUFFIX})" + [[ -n ${MUSL_VER} ]] && \ + GCC_SRC_URI+=" $(gentoo_urls gcc-${MUSL_GCC_VER}-musl-patches-${MUSL_VER}.tar.${TOOLCHAIN_PATCH_SUFFIX})" [[ -n ${PIE_VER} ]] && \ - PIE_CORE=${PIE_CORE:-gcc-${PIE_GCC_VER}-piepatches-v${PIE_VER}.tar.bz2} && \ + PIE_CORE=${PIE_CORE:-gcc-${PIE_GCC_VER}-piepatches-v${PIE_VER}.tar.${TOOLCHAIN_PATCH_SUFFIX}} && \ 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)" + GCC_SRC_URI+=" $(gentoo_urls gcc-${SPECS_GCC_VER}-specs-${SPECS_VER}.tar.${TOOLCHAIN_PATCH_SUFFIX})" if tc_has_feature gcj ; then if tc_version_is_at_least 4.5 ; then @@ -436,9 +535,40 @@ toolchain_pkg_pretend() { #---->> pkg_setup <<---- toolchain_pkg_setup() { - # we dont want to use the installed compiler's specs to build gcc + # We don't want to use the installed compiler's specs to build gcc unset GCC_SPECS - unset LANGUAGES #265283 + + # bug #265283 + unset LANGUAGES + + # See https://www.gnu.org/software/make/manual/html_node/Parallel-Output.html + # Avoid really confusing logs from subconfigure spam, makes logs far + # more legible. + MAKEOPTS="--output-sync=line ${MAKEOPTS}" +} + +#---->> src_unpack <<---- + +# @FUNCTION: toolchain_fetch_git_patches +# @INTERNAL +# @DESCRIPTION: +# Fetch patches from Gentoo's gcc-patches repository. +toolchain_fetch_git_patches() { + local gcc_patches_repo="https://anongit.gentoo.org/git/proj/gcc-patches.git https://github.com/gentoo/gcc-patches" + + # If we weren't given a patchset number, pull it from git too. + einfo "Fetching patchset from git as PATCH_VER is unset" + EGIT_REPO_URI=${gcc_patches_repo} EGIT_BRANCH="master" \ + EGIT_CHECKOUT_DIR="${WORKDIR}"/patch.tmp \ + git-r3_src_unpack + + mkdir "${WORKDIR}"/patch || die + mv "${WORKDIR}"/patch.tmp/${PATCH_GCC_VER}/gentoo/* "${WORKDIR}"/patch || die + + if [[ -n ${MUSL_VER} || -d "${WORKDIR}"/musl ]] && [[ ${CTARGET} == *musl* ]] ; then + mkdir "${WORKDIR}"/musl || die + mv "${WORKDIR}"/patch.tmp/${PATCH_GCC_VER}/musl/* "${WORKDIR}"/musl || die + fi # yuck, but how else to do it portable? local realEPREFIX=$(python -c 'import os; print(os.path.realpath("'"${EPREFIX}"'"))') @@ -450,37 +580,25 @@ toolchain_pkg_setup() { fi } -#---->> src_unpack <<---- - toolchain_src_unpack() { if tc_is_live ; then git-r3_src_unpack + + if [[ -z ${PATCH_VER} ]] && ! use vanilla ; then + toolchain_fetch_git_patches + fi + elif [[ -z ${PATCH_VER} && -n ${TOOLCHAIN_USE_GIT_PATCHES} ]] ; then + toolchain_fetch_git_patches fi - default_src_unpack + default } #---->> 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 ${EAPI:-0} in - # Note: even for EAPI=6 we used 'epatch' semantics. To avoid - # breaking existing ebuilds use 'eapply' only in EAPI=7 or later. - 5*|6) epatch "$@" ;; - 7) eapply "$@" ;; - *) die "Update apply_patches() for ${EAPI}." ;; - esac -} - toolchain_src_prepare() { export BRANDING_GCC_PKGVERSION="Gentoo ${GCC_PVR}" - cd "${S}" + cd "${S}" || die do_gcc_gentoo_patches do_gcc_PIE_patches @@ -490,11 +608,7 @@ toolchain_src_prepare() { BRANDING_GCC_PKGVERSION="${BRANDING_GCC_PKGVERSION}, commit ${EGIT_VERSION}" fi - case ${EAPI:-0} in - 5*) epatch_user;; - 6|7) eapply_user ;; - *) die "Update toolchain_src_prepare() for ${EAPI}." ;; - esac + eapply_user if ( tc_version_is_at_least 4.8.2 || _tc_use_if_iuse hardened ) \ && ! use vanilla ; then @@ -509,11 +623,11 @@ toolchain_src_prepare() { sed -i -e "/\"\/System\/Library\/Frameworks\"\,/i\ \ \"${EPREFIX}/MacOSX.sdk/System/Library/Frameworks\"\, \"${EPREFIX}/Frameworks\"\, " \ "${S}"/gcc/config/darwin-c.c || die "sed gcc/config/darwin-c.c failed" - # 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 + # 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). bug #435728 find "${S}" -name Makefile.in \ - -exec sed -i '/^pkgconfigdir/s:=.*:=$(toolexeclibdir)/pkgconfig:' {} + + -exec sed -i '/^pkgconfigdir/s:=.*:=$(toolexeclibdir)/pkgconfig:' {} + || die setup_multilib_osdirnames gcc_version_patch @@ -546,7 +660,7 @@ toolchain_src_prepare() { gnuconfig_update - # update configure files + # 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 @@ -555,12 +669,12 @@ toolchain_src_prepare() { || eerror "Please file a bug about this" eend $? done - sed -i 's|A-Za-z0-9|[:alnum:]|g' "${S}"/gcc/*.awk #215828 + # bug #215828 + sed -i 's|A-Za-z0-9|[:alnum:]|g' "${S}"/gcc/*.awk || die - # Prevent new texinfo from breaking old versions (see #198182, #464008) - if tc_version_is_at_least 4.1; then - tc_apply_patches "Remove texinfo (bug #198182, bug #464008)" "${FILESDIR}"/gcc-configure-texinfo.patch - fi + # Prevent new texinfo from breaking old versions (see #198182, bug #464008) + einfo "Remove texinfo (bug #198182, bug #464008)" + eapply "${FILESDIR}"/gcc-configure-texinfo.patch # >=gcc-4 if [[ -x contrib/gcc_update ]] ; then @@ -574,12 +688,28 @@ toolchain_src_prepare() { do_gcc_gentoo_patches() { if ! use vanilla ; then - if [[ -n ${PATCH_VER} ]] ; then - tc_apply_patches "Applying Gentoo patches ..." "${WORKDIR}"/patch/*.patch + if [[ -n ${PATCH_VER} || -d "${WORKDIR}"/patch ]] ; then + einfo "Applying Gentoo patches ..." + eapply "${WORKDIR}"/patch/*.patch BRANDING_GCC_PKGVERSION="${BRANDING_GCC_PKGVERSION} p${PATCH_VER}" fi - if [[ -n ${UCLIBC_VER} ]] ; then - tc_apply_patches "Applying uClibc patches ..." "${WORKDIR}"/uclibc/*.patch + + if [[ -n ${MUSL_VER} || -d "${WORKDIR}"/musl ]] && [[ ${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 "${WORKDIR}"/musl/nocross/*.patch || die + else + # Just make an empty directory to make the glob below easier. + mkdir -p "${WORKDIR}"/musl/nocross || die + fi + fi + + local shopt_save=$(shopt -p nullglob) + shopt -s nullglob + einfo "Applying musl patches ..." + eapply "${WORKDIR}"/musl/{,nocross/}*.patch + ${shopt_save} fi fi } @@ -588,7 +718,8 @@ do_gcc_PIE_patches() { want_pie || return 0 use vanilla && return 0 - tc_apply_patches "Applying pie patches ..." "${WORKDIR}"/piepatch/*.patch + einfo "Applying PIE patches ..." + eapply "${WORKDIR}"/piepatch/*.patch BRANDING_GCC_PKGVERSION="${BRANDING_GCC_PKGVERSION}, pie-${PIE_VER}" } @@ -598,7 +729,7 @@ do_gcc_CYGWINPORTS_patches() { use elibc_Cygwin || return 0 local p d="${WORKDIR}/gcc-${CYGWINPORTS_GITREV}" - # readarray -t is available since bash-4.4 only, #690686 + # readarray -t is available since bash-4.4 only, bug #690686 local patches=( $( for p in $( sed -e '1,/PATCH_URI="/d;/"/,$d' < "${d}"/gcc.cygport @@ -606,21 +737,23 @@ do_gcc_CYGWINPORTS_patches() { echo "${d}/${p}" done ) ) - tc_apply_patches "Applying cygwin port patches ..." ${patches[*]} + einfo "Applying cygwin port patches ..." + eapply -- "${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 we use gcc-6 or newer with PIE enabled 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 + # For gcc >= 6.x, we can use configuration 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 ..." @@ -630,16 +763,21 @@ make_gcc_hard() { 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. + # * -fstack-clash-protection + # * -z now + # See gcc *_all_extra-options.patch patches. gcc_hard_flags+=" -DEXTRA_OPTIONS" - # rebrand to make bug reports easier + + if _tc_use_if_iuse cet && [[ ${CTARGET} == *x86_64*-linux* ]] ; then + gcc_hard_flags+=" -DEXTRA_OPTIONS_CF" + fi + + # Rebrand to make bug reports easier BRANDING_GCC_PKGVERSION=${BRANDING_GCC_PKGVERSION/Gentoo/Gentoo Hardened} fi else if _tc_use_if_iuse hardened ; then - # rebrand to make bug reports easier + # 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 ..." @@ -653,7 +791,7 @@ make_gcc_hard() { 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 + # 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 @@ -665,16 +803,16 @@ make_gcc_hard() { fi fi - # we want to be able to control the pie patch logic via something other + # 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 + -i "${S}"/gcc/Makefile.in || die # 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 + -i "${S}"/gcc/Makefile.in || die fi sed -i \ @@ -703,13 +841,13 @@ setup_multilib_osdirnames() { local config local libdirs="../lib64 ../lib32" - # this only makes sense for some Linux targets + # This only makes sense for some Linux targets case ${CTARGET} in - x86_64*-linux*) config="i386" ;; - powerpc64*-linux*) config="rs6000" ;; - sparc64*-linux*) config="sparc" ;; - s390x*-linux*) config="s390" ;; - *) return 0 ;; + x86_64*-linux*) config="i386" ;; + powerpc64*-linux*) config="rs6000" ;; + sparc64*-linux*) config="sparc" ;; + s390x*-linux*) config="s390" ;; + *) return 0 ;; esac config+="/t-linux64" @@ -718,14 +856,14 @@ setup_multilib_osdirnames() { sed_args+=( -e 's:$[(]call if_multiarch[^)]*[)]::g' ) fi if [[ ${SYMLINK_LIB} == "yes" ]] ; then - einfo "updating multilib directories to be: ${libdirs}" + 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:=.*:= ${libdirs}:" ) fi else - einfo "using upstream multilib; disabling lib32 autodetection" + einfo "Using upstream multilib; disabling lib32 autodetection" sed_args+=( -r -e 's:[$][(]if.*,(.*)[)]:\1:' ) fi sed -i "${sed_args[@]}" "${S}"/gcc/config/${config} || die @@ -737,7 +875,7 @@ gcc_version_patch() { local version_string=${GCC_RELEASE_VER} - einfo "patching gcc version: ${version_string} (${BRANDING_GCC_PKGVERSION})" + 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 "${S}"/gcc/version.c ; then @@ -760,10 +898,10 @@ toolchain_src_configure() { einfo "LDFLAGS=\"${LDFLAGS}\"" # Force internal zip based jar script to avoid random - # issues with 3rd party jar implementations. #384291 + # issues with 3rd party jar implementations. bug #384291 export JAR=no - # For hardened gcc 4.3 piepatchset to build the hardened specs + # For hardened gcc 4.3: add the pie patchset 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 @@ -771,6 +909,8 @@ toolchain_src_configure() { local confgcc=( --host=${CHOST} ) + local build_config_targets=() + if is_crosscompile || tc-is-cross-compiler ; then # Straight from the GCC install doc: # "GCC has code to correctly determine the correct value for target @@ -810,16 +950,13 @@ toolchain_src_configure() { is_d && GCC_LANG+=",d" is_gcj && GCC_LANG+=",java" is_go && GCC_LANG+=",go" - is_jit && GCC_LANG+=",jit" if is_objc || is_objcxx ; then GCC_LANG+=",objc" - if tc_version_is_at_least 4 ; then - use objc-gc && confgcc+=( --enable-objc-gc ) - fi + use objc-gc && confgcc+=( --enable-objc-gc ) is_objcxx && GCC_LANG+=",obj-c++" fi - # fortran support just got sillier! the lang value can be f77 for + # Fortran support just got sillier! The lang value can be f77 for # fortran77, f95 for fortran95, or just plain old fortran for the # currently supported standard depending on gcc version. is_fortran && GCC_LANG+=",fortran" @@ -845,11 +982,11 @@ toolchain_src_configure() { confgcc+=( --disable-nls ) fi - tc_version_is_at_least 3.4 || confgcc+=( --disable-libunwind-exceptions ) + confgcc+=( --disable-libunwind-exceptions ) # Use the default ("release") checking because upstream usually neglects # to test "disabled" so it has a history of breaking. bug #317217 - if tc_version_is_at_least 3.4 && in_iuse debug ; then + if in_iuse debug ; then # The "release" keyword is new to 4.0. bug #551636 local off=$(tc_version_is_at_least 4.0 && echo release || echo no) confgcc+=( --enable-checking="${GCC_CHECKS_LIST:-$(usex debug yes ${off})}" ) @@ -861,12 +998,12 @@ toolchain_src_configure() { --with-pkgversion="${BRANDING_GCC_PKGVERSION}" ) - # If we want hardened support with the newer piepatchset for >=gcc 4.4 + # If we want hardened support with the newer PIE patchset 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. + # 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 @@ -875,17 +1012,18 @@ toolchain_src_configure() { # 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 ) + build_config_targets+=( bootstrap-lto ) + fi + + if tc_version_is_at_least 12 && _tc_use_if_iuse cet ; then + build_config_targets+=( bootstrap-cet ) fi - # Support to disable pch when building libstdcxx + # 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 @@ -898,7 +1036,7 @@ toolchain_src_configure() { # ;; # esac - # newer gcc versions like to bootstrap themselves with C++, + # 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 ) @@ -914,55 +1052,65 @@ toolchain_src_configure() { # 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 ) - ;; - *-gentoo-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 ${CTARGET}) -E -dD - 2>/dev/null | \ - grep -q __HAVE_SHARED__ - then - confgcc+=( --disable-shared ) - fi - needed_libc=uclibc-ng - ;; - *-cygwin) needed_libc=cygwin;; - x86_64-*-mingw*|\ - *-w64-mingw*) needed_libc=mingw64-runtime;; - mingw*|*-mingw*) needed_libc=mingw-runtime;; - avr) confgcc+=( --enable-shared --disable-threads );; - *-apple-darwin*) confgcc+=( --with-sysroot="${EPREFIX}${PREFIX}/${CTARGET}" );; - *-solaris*) confgcc+=( --with-sysroot="${EPREFIX}${PREFIX}/${CTARGET}" - );; - *-freebsd*) confgcc+=( --with-sysroot="${EPREFIX}${PREFIX}/${CTARGET}" - );; + *-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 ) + ;; + *-gnu*) + needed_libc=glibc + ;; + *-klibc) + needed_libc=klibc + ;; + *-musl*) + needed_libc=musl + ;; + *-cygwin) + needed_libc=cygwin + ;; + x86_64-*-mingw*|*-w64-mingw*) + needed_libc=mingw64-runtime + ;; + avr) + confgcc+=( --enable-shared --disable-threads ) + ;; + # Prefix targets + *-apple-darwin*) + confgcc+=( --with-sysroot="${EPREFIX}${PREFIX}/${CTARGET}" ) + ;; + *-solaris*) + confgcc+=( --with-sysroot="${EPREFIX}${PREFIX}/${CTARGET}" ) + ;; + *-freebsd*) + confgcc+=( --with-sysroot="${EPREFIX}${PREFIX}/${CTARGET}" ) + ;; 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 + + 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. @@ -980,7 +1128,7 @@ toolchain_src_configure() { fi fi - tc_version_is_at_least 4.2 && confgcc+=( --disable-bootstrap ) + confgcc+=( --disable-bootstrap ) else if tc-is-static-only ; then confgcc+=( --disable-shared ) @@ -988,10 +1136,12 @@ toolchain_src_configure() { confgcc+=( --enable-shared ) fi case ${CHOST} in - mingw*|*-mingw*) - confgcc+=( --enable-threads=win32 ) ;; - *) - confgcc+=( --enable-threads=posix ) ;; + mingw*|*-mingw*) + confgcc+=( --enable-threads=win32 ) + ;; + *) + confgcc+=( --enable-threads=posix ) + ;; esac if use prefix ; then @@ -1012,39 +1162,21 @@ toolchain_src_configure() { # __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 + *-elf|*-eabi) + confgcc+=( --with-newlib ) + ;; + *-musl*) + confgcc+=( --enable-__cxa_atexit ) + ;; + *-gnu*) confgcc+=( - --disable-__cxa_atexit - $(use_enable nptl tls) + --enable-__cxa_atexit + --enable-clocale=gnu ) - fi - tc_version_is_between 3.3 3.4 && confgcc+=( --enable-sjlj-exceptions ) - if tc_version_is_between 3.4 4.3 ; then - confgcc+=( --enable-clocale=uclibc ) - fi - ;; - *-elf|*-eabi) - confgcc+=( --with-newlib ) - ;; - *-musl*) - confgcc+=( --enable-__cxa_atexit ) - ;; - *-gnu*) - confgcc+=( - --enable-__cxa_atexit - --enable-clocale=gnu - ) - ;; - *-freebsd*) - confgcc+=( --enable-__cxa_atexit ) - ;; - *-openbsd*) - confgcc+=( --enable-__cxa_atexit ) - ;; - *-solaris*) - confgcc+=( --enable-__cxa_atexit ) - ;; + ;; + *-solaris*) + confgcc+=( --enable-__cxa_atexit ) + ;; esac ### arch options @@ -1057,102 +1189,117 @@ toolchain_src_configure() { 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 + 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 + arm) + # bug 264534, bug #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 armv6m to armv6-m + [[ ${arm_arch} == armv6m ]] && arm_arch=armv6-m + # 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 - 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 ) + # 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 + # 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 ${TARGET_DEFAULT_ABI}) ) - fi - ;; - x86) - # Default arch for x86 is normally i386, lets give it a bump - # since glibc will do so based on CTARGET anyways - confgcc+=( --with-arch=${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}) ) - ;; + ;; + + 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 + # bug #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 - if use !prefix ; then #406689 + # userland by not needing sys-devel/kgcc64. bug #349405 case $(tc-arch) in - ppc|ppc64) tc_version_is_at_least 3.4 && 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 ) ;; + 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 - fi # 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 @@ -1172,47 +1319,44 @@ toolchain_src_configure() { fi fi - if tc_version_is_at_least 4.2 ; then - 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 + if in_iuse openmp ; then + # Make sure target has pthreads support: bug #326757, bug #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 - # For gcc variants where we don't want openmp (e.g. kgcc) + # 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_version_is_at_least 4.0 ; then - if _tc_use_if_iuse libssp ; then - confgcc+=( --enable-libssp ) + 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 - # Not all libcs have ssp built in. I assume only glibc has - # this for now. - use elibc_glibc && - 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 + confgcc+=( --disable-libssp ) fi fi @@ -1220,6 +1364,10 @@ toolchain_src_configure() { confgcc+=( --disable-libada ) fi + if in_iuse cet ; then + confgcc+=( $(use_enable cet) ) + fi + if in_iuse cilk ; then confgcc+=( $(use_enable cilk libcilkrts) ) fi @@ -1248,6 +1396,8 @@ toolchain_src_configure() { confgcc+=( $(use_with zstd) ) fi + # This only controls whether the compiler *supports* LTO, not whether + # it's *built using* LTO. Hence we do it without a USE flag. if tc_version_is_at_least 4.6 ; then confgcc+=( --enable-lto ) elif tc_version_is_at_least 4.5 ; then @@ -1255,7 +1405,7 @@ toolchain_src_configure() { fi # graphite was added in 4.4 but we only support it in 6.5+ due to external - # library issues. #448024, #701270 + # library issues. bug #448024, bug #701270 if tc_version_is_at_least 6.5 && in_iuse graphite ; then confgcc+=( $(use_with graphite isl) ) use graphite && confgcc+=( --disable-isl-version-check ) @@ -1288,7 +1438,7 @@ toolchain_src_configure() { fi # Disable gcc info regeneration -- it ships with generated info pages - # already. Our custom version/urls/etc... trigger it. #464008 + # already. Our custom version/urls/etc... trigger it. bug #464008 export gcc_cv_prog_makeinfo_modern=no # Do not let the X detection get in our way. We know things can be found @@ -1299,6 +1449,11 @@ toolchain_src_configure() { confgcc+=( "$@" ${EXTRA_ECONF} ) + if [[ -n ${build_config_targets} ]] ; then + # ./configure --with-build-config='bootstrap-lto bootstrap-cet' + confgcc+=( --with-build-config="${build_config_targets[*]}" ) + fi + # Nothing wrong with a good dose of verbosity echo einfo "PREFIX: ${PREFIX}" @@ -1309,23 +1464,45 @@ toolchain_src_configure() { echo einfo "Languages: ${GCC_LANG}" echo - einfo "Configuring GCC with: ${confgcc[@]//--/\n\t--}" - echo # Build in a separate build tree - mkdir -p "${WORKDIR}"/build + mkdir -p "${WORKDIR}"/build || die pushd "${WORKDIR}"/build > /dev/null - # and now to do the actual configuration + # ...and now to do the actual configuration addwrite /dev/zero - echo "${S}"/configure "${confgcc[@]}" + + local gcc_shell="${BROOT}"/bin/bash # Older gcc versions did not detect bash and re-exec itself, so force the - # use of bash. Newer ones will auto-detect, but this is not harmful. - CONFIG_SHELL="${EPREFIX}/bin/bash" \ - bash "${S}"/configure "${confgcc[@]}" || die "failed to run configure" + # use of bash for them. + if tc_version_is_at_least 11.2 ; then + gcc_shell="${BROOT}"/bin/sh + fi - # return to whatever directory we were in before - popd > /dev/null + if is_jit ; then + einfo "Configuring JIT gcc" + + mkdir -p "${WORKDIR}"/build-jit || die + pushd "${WORKDIR}"/build-jit > /dev/null || die + CONFIG_SHELL="${gcc_shell}" edo "${gcc_shell}" "${S}"/configure \ + "${confgcc[@]}" \ + --disable-libada \ + --disable-libsanitizer \ + --disable-libvtv \ + --disable-libgomp \ + --disable-libquadmath \ + --disable-libatomic \ + --disable-lto \ + --disable-bootstrap \ + --enable-host-shared \ + --enable-languages=jit + popd > /dev/null || die + fi + + CONFIG_SHELL="${gcc_shell}" edo "${gcc_shell}" "${S}"/configure "${confgcc[@]}" + + # Return to whatever directory we were in before + popd > /dev/null || die } # Replace -m flags unsupported by the version being built with the best @@ -1341,20 +1518,9 @@ downgrade_arch_flags() { myarch=$(get-flag march) mytune=$(get-flag mtune) - # If -march=native isn't supported we have to tease out the actual arch - if [[ ${myarch} == native || ${mytune} == native ]] ; then - if ! tc_version_is_at_least 4.2 ${bver}; then - arch=$($(tc-getCC) -march=native -v -E -P - </dev/null 2>&1 \ - | sed -rn "/cc1.*-march/s:.*-march=([^ ']*).*:\1:p") - replace-cpu-flags native ${arch} - fi - fi - # Handle special -mtune flags [[ ${mytune} == intel ]] && ! tc_version_is_at_least 4.9 ${bver} && replace-cpu-flags intel generic - [[ ${mytune} == generic ]] && ! tc_version_is_at_least 4.2 ${bver} && filter-flags '-mtune=*' [[ ${mytune} == x86-64 ]] && filter-flags '-mtune=*' - tc_version_is_at_least 3.4 ${bver} || filter-flags '-mtune=*' # "added" "arch" "replacement" local archlist=( @@ -1386,14 +1552,6 @@ downgrade_arch_flags() { 4.3 geode k6-2 # gcc.gnu.org/PR41989#c22 4.3 k8-sse3 k8 4.3 opteron-sse3 k8 - 3.4 athlon-fx x86-64 - 3.4 athlon64 x86-64 - 3.4 c3-2 c3 - 3.4 k8 x86-64 - 3.4 opteron x86-64 - 3.4 pentium-m pentium3 - 3.4 pentium3m pentium3 - 3.4 pentium4m pentium4 ) for ((i = 0; i < ${#archlist[@]}; i += 3)) ; do @@ -1416,7 +1574,7 @@ downgrade_arch_flags() { fi done - # we only check -mno* here since -m* get removed by strip-flags later on + # We only check -mno* here since -m* get removed by strip-flags later on local isalist=( 4.9 -mno-sha 4.9 -mno-avx512pf @@ -1468,35 +1626,21 @@ gcc_do_filter_flags() { # 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 + # Don't want to funk ourselves filter-flags '-mabi*' -m31 -m32 -m64 - filter-flags -frecord-gcc-switches # 490738 - filter-flags -mno-rtm -mno-htm # 506202 + # bug #490738 + filter-flags -frecord-gcc-switches + # bug #506202 + filter-flags -mno-rtm -mno-htm - if tc_version_is_between 3.2 3.4 ; then - # XXX: this is so outdated it's barely useful, but it don't hurt... - replace-cpu-flags G3 750 - replace-cpu-flags G4 7400 - replace-cpu-flags G5 7400 - - # XXX: should add a sed or something to query all supported flags - # from the gcc source and trim everything else ... - filter-flags -f{no-,}unit-at-a-time -f{no-,}web -mno-tls-direct-seg-refs - filter-flags -f{no-,}stack-protector{,-all} - filter-flags -fvisibility-inlines-hidden -fvisibility=hidden - # and warning options - filter-flags -Wextra -Wstack-protector - fi - if ! tc_version_is_at_least 4.1 ; then - filter-flags -fdiagnostics-show-option - filter-flags -Wstack-protector - fi + filter-flags '-fsanitize=*' if tc_version_is_between 6 8 ; then # -mstackrealign triggers crashes in exception throwing @@ -1505,40 +1649,37 @@ gcc_do_filter_flags() { filter-flags -mstackrealign fi - if tc_version_is_at_least 3.4 ; then - case $(tc-arch) in - amd64|x86) - filter-flags '-mcpu=*' + case $(tc-arch) in + amd64|x86) + filter-flags '-mcpu=*' - tc_version_is_between 4.4 4.5 && append-flags -mno-avx # 357287 + # bug #357287 + tc_version_is_between 4.4 4.5 && append-flags -mno-avx - 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 - # used to break on 4.1 4.2 now breaks on 10 too, so - # filter everywhere + if tc_version_is_between 4.6 4.7 ; then + # bug #411333, bug #466454 + replace-cpu-flags c3-2 pentium2 pentium3 pentium3m pentium-m i686 + fi + ;; + alpha) + # bug #454426 + append-ldflags -Wl,--no-relax + ;; + sparc) + # Temporary workaround for random ICEs reproduced by multiple users + # bug #457062 + tc_version_is_between 4.6 4.8 && MAKEOPTS+=" -j1" + ;; + *-macos) + # https://gcc.gnu.org/PR25127 + tc_version_is_between 4.0 4.2 && \ filter-flags '-mcpu=*' '-march=*' '-mtune=*' - ;; - esac - fi + ;; + esac strip-unsupported-flags - # these are set here so we have something sane at configure time + # 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" @@ -1580,7 +1721,7 @@ gcc-multilib-configure() { confgcc+=( --enable-multilib ) fi - # translate our notion of multilibs into gcc's + # 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}) @@ -1599,9 +1740,15 @@ gcc-abi-map() { # Convert the ABI name we use in Gentoo to what gcc uses local map=() case ${CTARGET} in - mips*) map=("o32 32" "n32 n32" "n64 64") ;; - riscv*) map=("lp64d lp64d" "lp64 lp64" "ilp32d ilp32d" "ilp32 ilp32") ;; - x86_64*) map=("amd64 m64" "x86 m32" "x32 mx32") ;; + mips*) + map=("o32 32" "n32 n32" "n64 64") + ;; + riscv*) + map=("lp64d lp64d" "lp64 lp64" "ilp32d ilp32d" "ilp32 ilp32") + ;; + x86_64*) + map=("amd64 m64" "x86 m32" "x32 mx32") + ;; esac local m @@ -1628,9 +1775,9 @@ toolchain_src_compile() { # Older gcc versions did not detect bash and re-exec itself, so force the # use of bash. Newer ones will auto-detect, but this is not harmful. # This needs to be set for compile as well, as it's used in libtool - # generation, which will break install otherwise (at least in 3.3.6): #664486 - CONFIG_SHELL="${EPREFIX}/bin/bash" \ - gcc_do_make ${GCC_MAKE_TARGET} + # generation, which will break install otherwise (at least in 3.3.6): bug #664486 + CONFIG_SHELL="${BROOT}/bin/bash" \ + gcc_do_make ${GCC_MAKE_TARGET} } gcc_do_make() { @@ -1645,11 +1792,11 @@ gcc_do_make() { # default target if is_crosscompile || tc-is-cross-compiler ; then - # 3 stage bootstrapping doesnt quite work when you cant run the - # resulting binaries natively ^^; + # 3 stage bootstrapping doesn't quite work when you can't run the + # resulting binaries natively GCC_MAKE_TARGET=${GCC_MAKE_TARGET-all} else - if tc_version_is_at_least 3.3 && _tc_use_if_iuse pgo; then + if _tc_use_if_iuse pgo; then GCC_MAKE_TARGET=${GCC_MAKE_TARGET-profiledbootstrap} else GCC_MAKE_TARGET=${GCC_MAKE_TARGET-bootstrap-lean} @@ -1680,6 +1827,19 @@ gcc_do_make() { BOOT_CFLAGS=${BOOT_CFLAGS-"$(get_abi_CFLAGS ${TARGET_DEFAULT_ABI}) ${CFLAGS}"} fi + if is_jit ; then + # TODO: docs for jit? + pushd "${WORKDIR}"/build-jit > /dev/null || die + + einfo "Building JIT" + emake \ + LDFLAGS="${LDFLAGS}" \ + STAGE1_CFLAGS="${STAGE1_CFLAGS}" \ + LIBPATH="${LIBPATH}" \ + BOOT_CFLAGS="${BOOT_CFLAGS}" + popd > /dev/null || die + fi + einfo "Compiling ${PN} (${GCC_MAKE_TARGET})..." pushd "${WORKDIR}"/build >/dev/null @@ -1692,8 +1852,7 @@ gcc_do_make() { STAGE1_CFLAGS="${STAGE1_CFLAGS}" \ LIBPATH="${LIBPATH}" \ BOOT_CFLAGS="${BOOT_CFLAGS}" \ - ${GCC_MAKE_TARGET} \ - || die "emake failed with ${GCC_MAKE_TARGET}" + ${GCC_MAKE_TARGET} if is_ada; then # Without these links it is not getting the good compiler @@ -1710,16 +1869,17 @@ gcc_do_make() { if type -p doxygen > /dev/null ; then if tc_version_is_at_least 4.3 ; then cd "${CTARGET}"/libstdc++-v3/doc - emake doc-man-doxygen || ewarn "failed to make docs" - elif tc_version_is_at_least 3.0 ; then + emake doc-man-doxygen + else cd "${CTARGET}"/libstdc++-v3 - emake doxygen-man || ewarn "failed to make docs" + emake doxygen-man fi - # Clean bogus manpages. #113902 + # Clean bogus manpages. bug #113902 find -name '*_build_*' -delete - # Blow away generated directory references. Newer versions of gcc - # have gotten better at this, but not perfect. This is easier than - # backporting all of the various doxygen patches. #486754 + + # Blow away generated directory references. Newer versions of gcc + # have gotten better at this, but not perfect. This is easier than + # backporting all of the various doxygen patches. bug #486754 find -name '*_.3' -exec grep -l ' Directory Reference ' {} + | \ xargs rm -f else @@ -1734,6 +1894,7 @@ gcc_do_make() { toolchain_src_test() { cd "${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. @@ -1746,12 +1907,10 @@ toolchain_src_install() { cd "${WORKDIR}"/build # Don't allow symlinks in private gcc include dir as this can break the build - # Keep them in prefix for things like 'machine->ia64' #gcc PR26189 - use prefix || find gcc/include*/ -type l -delete # Copy over the info pages. We disabled their generation earlier, but the - # build system only expects to install out of the build dir, not the source. #464008 + # build system only expects to install out of the build dir, not the source. bug #464008 mkdir -p gcc/doc local x= for x in "${S}"/gcc/doc/*.info* ; do @@ -1771,8 +1930,32 @@ toolchain_src_install() { && use !prefix && rm -f "${x}" done < <(find gcc/include*/ -name '*.h') + if is_jit ; then + # See https://gcc.gnu.org/onlinedocs/gcc-11.3.0/jit/internals/index.html#packaging-notes + # and bug #843341. + # + # Both of the non-JIT and JIT builds are configured to install to $(DESTDIR) + # Install the configuration with --enable-host-shared first + # *then* the one without, so that the faster build + # of "cc1" et al overwrites the slower build. + # + # Do the 'make install' from the build directory + pushd "${WORKDIR}"/build-jit > /dev/null || die + S="${WORKDIR}"/build-jit emake DESTDIR="${D}" install + + # 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 + + popd > /dev/null || die + fi + # Do the 'make install' from the build directory - S="${WORKDIR}"/build emake -j1 DESTDIR="${D}" install || die + S="${WORKDIR}"/build emake DESTDIR="${D}" install # Punt some tools which are really only useful while building gcc find "${ED}" -name install-tools -prune -type d -exec rm -rf "{}" \; @@ -1796,7 +1979,7 @@ toolchain_src_install() { # 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 + # Make sure we don't have stuff lying around that # can nuke multiple versions of gcc gcc_slot_java @@ -1835,7 +2018,7 @@ toolchain_src_install() { # 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 + # when gcc-config runs. bug #567806 if tc_version_is_at_least 5 && is_go ; then for x in go gofmt; do mv ${x} ${x}-${GCCMAJOR} || die @@ -1843,7 +2026,7 @@ toolchain_src_install() { fi fi - # As gcc installs object files built against bost ${CHOST} and ${CTARGET} + # As gcc installs object files built against both ${CHOST} and ${CTARGET} # ideally we will need to strip them using different tools: # Using ${CHOST} tools: # - "${D}${BINPATH}" @@ -1853,29 +2036,27 @@ toolchain_src_install() { # - "${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}" + is_crosscompile && dostrip -x "${LIBPATH}" - cd "${S}" + cd "${S}" || die if is_crosscompile; then rm -rf "${ED}"/usr/share/{man,info} rm -rf "${D}"${DATAPATH}/{man,info} else - if tc_version_is_at_least 3.0 ; then - 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 + 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 + # Portage regenerates 'dir' files on its 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 + # Prune empty dirs left behind find "${ED}" -depth -type d -delete 2>/dev/null # libstdc++.la: Delete as it doesn't add anything useful: g++ itself @@ -1891,14 +2072,14 @@ toolchain_src_install() { # libgomp-plugin-*.la: Same as above, and it's an internal plugin only # loaded via dlopen. # libgfortran.la: gfortran itself handles linkage correctly in the - # dynamic & static case (libgfortran.spec). #573302 + # dynamic & static case (libgfortran.spec). bug #573302 # libgfortranbegin.la: Same as above, and it's an internal lib. # libmpx.la: gcc itself handles linkage correctly (libmpx.spec). # libmpxwrappers.la: See above. # libitm.la: gcc itself handles linkage correctly (libitm.spec). # libvtv.la: gcc itself handles linkage correctly. # lib*san.la: Sanitizer linkage is handled internally by gcc, and they - # do not support static linking. #487550 #546700 + # do not support static linking. bug #487550, bug #546700 find "${D}${LIBPATH}" \ '(' \ -name libstdc++.la -o \ @@ -1928,9 +2109,12 @@ toolchain_src_install() { pushd "${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 + # bug #348128 + sed -i "/^libdir =/s:=.*:= '${LIBPATH}/${multidir}':" "${py}" || die + doins "${py}" + rm "${py}" || die done popd >/dev/null @@ -1939,13 +2123,13 @@ toolchain_src_install() { export QA_EXECSTACK="usr/lib*/go/*/*.gox" export QA_WX_LOAD="usr/lib*/go/*/*.gox" - # Disable RANDMMAP so PCH works. #301299 + # Disable RANDMMAP so PCH works, bug #301299 if tc_version_is_at_least 4.3 ; then pax-mark -r "${D}${PREFIX}/libexec/gcc/${CTARGET}/${GCC_CONFIG_VER}/cc1" pax-mark -r "${D}${PREFIX}/libexec/gcc/${CTARGET}/${GCC_CONFIG_VER}/cc1plus" fi - # Disable MPROTECT so java works. #574808 + # Disable MPROTECT so java works, bug #574808 if is_gcj ; then pax-mark -m "${D}${PREFIX}/libexec/gcc/${CTARGET}/${GCC_CONFIG_VER}/ecj1" pax-mark -m "${D}${PREFIX}/${CTARGET}/gcc-bin/${GCC_CONFIG_VER}/gij" @@ -1956,9 +2140,6 @@ toolchain_src_install() { # when installing gcc, it dumps internal libraries into /usr/lib # instead of the private gcc lib path gcc_movelibs() { - # older versions of gcc did not support --print-multi-os-directory - tc_version_is_at_least 3.2 || return 0 - # For non-target libs which are for CHOST and not CTARGET, we want to # move them to the compiler-specific CHOST internal dir. This is stuff # that you want to link against when building tools rather than building @@ -1967,9 +2148,10 @@ gcc_movelibs() { dodir "${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 + if [[ ${PWD} == "${WORKDIR}"/build-jit ]] && is_jit ; then dodir "${LIBPATH#${EPREFIX}}" mv "${ED}"/usr/lib/libgccjit* "${D}${LIBPATH}" || die fi @@ -2024,8 +2206,8 @@ gcc_movelibs() { find -depth "${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 +# 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" @@ -2038,7 +2220,7 @@ fix_libtool_libdir_paths() { allarchives="\(${allarchives// /\\|}\)" popd >/dev/null - # The libdir might not have any .la files. #548782 + # The libdir might not have any .la files. bug #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 @@ -2073,21 +2255,16 @@ create_gcc_env_entry() { # workaround for libtool being stupid and using .la's from # conflicting ABIs by using the first one in the search path local ldpaths mosdirs - if tc_version_is_at_least 3.2 ; then - 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 - else - # Older gcc's didn't do multilib, so logic is simple. - ldpaths=${LIBPATH} - fi + 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}" @@ -2129,12 +2306,12 @@ create_revdep_rebuild_entry() { } copy_minispecs_gcc_specs() { - # on gcc 6 we don't need minispecs + # 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. + # Setup the hardenedno* specs files and the vanilla specs file. if hardened_gcc_works ; then create_gcc_env_entry hardenednopiessp fi @@ -2184,7 +2361,7 @@ gcc_slot_java() { done # Rename jar because it could clash with Kaffe's jar if this gcc is - # primary compiler (aka don't have the -<version> extension) + # primary compiler (aka doesn't have the -<version> extension) cd "${D}${BINPATH}" [[ -f jar ]] && mv -f jar gcj-jar } @@ -2193,40 +2370,40 @@ gcc_slot_java() { toolchain_pkg_postinst() { do_gcc_config - if [[ ! ${ROOT%/} && -f ${EPREFIX}/usr/share/eselect/modules/compiler-shadow.eselect ]] ; then + 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 + 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 + 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 + # 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 + 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/${CTARGET}-{gcc,{g,c}++}{,32,64} + rm -f "${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 "${EROOT%/}"/usr/share/gcc-data/fixlafiles.awk + rm -f "${EROOT}"/sbin/fix_libtool_files.sh + rm -f "${EROOT}"/usr/share/gcc-data/fixlafiles.awk } do_gcc_config() { @@ -2240,12 +2417,12 @@ do_gcc_config() { current_gcc_config=$(env -i ROOT="${ROOT}" "${EPREFIX}"/usr/bin/gcc-config -c ${CTARGET} 2>/dev/null) if [[ -n ${current_gcc_config} ]] ; then local current_specs use_specs - # figure out which specs-specific config is active + # Figure out which specs-specific config is active current_specs=$(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} ]] + [[ ! -e ${EROOT}/etc/env.d/gcc/${CTARGET}-${GCC_CONFIG_VER}${use_specs} ]] then ewarn "The currently selected specs-specific gcc config," ewarn "${current_specs}, doesn't exist anymore. This is usually" @@ -2258,7 +2435,7 @@ do_gcc_config() { target="${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 + # Blindly pick the latest version. bug #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 $2}') @@ -2273,9 +2450,9 @@ should_we_gcc_config() { local curr_config curr_config=$(env -i ROOT="${ROOT}" "${EPREFIX}"/usr/bin/gcc-config -c ${CTARGET} 2>&1) || return 0 - # if the previously selected config has the same major.minor (branch) as + # If the previously selected config has the same major.minor (branch) as # the version we are installing, then it will probably be uninstalled - # for being in the same SLOT, make sure we run gcc-config. + # for being in the same SLOT, so make sure we run gcc-config. local curr_config_ver=$(env -i ROOT="${ROOT}" "${EPREFIX}"/usr/bin/gcc-config -S ${curr_config} | awk '{print $2}') local curr_branch_ver=$(ver_cut 1-2 ${curr_config_ver}) @@ -2283,12 +2460,14 @@ should_we_gcc_config() { if [[ ${curr_branch_ver} == ${GCC_BRANCH_VER} ]] ; then return 0 else - # if we're installing a genuinely different compiler version, + # 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. + # gcc version, since we're not going to do it for them. + # # 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 @@ -2364,15 +2543,16 @@ is_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 + # to generate code for a target. On targets like avr, # libgcclit.so can't link at all: bug #594572 is_crosscompile && return 1 + _tc_use_if_iuse jit } is_multilib() { - tc_version_is_at_least 3 || return 1 _tc_use_if_iuse multilib } @@ -2395,7 +2575,7 @@ get_make_var() { XGCC() { get_make_var GCC_FOR_TARGET ; } -# The gentoo piessp patches allow for 3 configurations: +# The gentoo pie-ssp patches allow for 3 configurations: # 1) PIE+SSP by default # 2) PIE by default # 3) SSP by default @@ -2404,8 +2584,6 @@ hardened_gcc_works() { # $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 @@ -2427,17 +2605,9 @@ hardened_gcc_works() { hardened_gcc_is_stable() { local tocheck if [[ $1 == "pie" ]] ; then - if [[ ${CTARGET} == *-uclibc* ]] ; then - tocheck=${PIE_UCLIBC_STABLE} - else - tocheck=${PIE_GLIBC_STABLE} - fi + tocheck=${PIE_GLIBC_STABLE} elif [[ $1 == "ssp" ]] ; then - if [[ ${CTARGET} == *-uclibc* ]] ; then - tocheck=${SSP_UCLIBC_STABLE} - elif [[ ${CTARGET} == *-gnu* ]] ; then - tocheck=${SSP_STABLE} - fi + tocheck=${SSP_STABLE} else die "hardened_gcc_stable needs to be called with pie or ssp" fi @@ -2447,7 +2617,7 @@ hardened_gcc_is_stable() { } want_minispecs() { - # on gcc 6 we don't need minispecs + # On gcc 6, we don't need minispecs if tc_version_is_at_least 6.0 ; then return 0 fi @@ -2495,6 +2665,11 @@ toolchain_death_notice() { fi } +fi + +EXPORT_FUNCTIONS pkg_pretend pkg_setup src_unpack src_prepare src_configure \ + src_compile src_test src_install pkg_postinst pkg_postrm + # Note [implicitly enabled flags] # ------------------------------- # Usually configure-based packages handle explicit feature requests |