From 0f558761aa2dee1017b4751e4017205e015a9560 Mon Sep 17 00:00:00 2001 From: V3n3RiX Date: Wed, 29 Jun 2022 12:04:12 +0100 Subject: gentoo resync : 29.12.2022 --- eclass/toolchain.eclass | 891 ++++++++++++++++++++++++++++++++---------------- 1 file changed, 598 insertions(+), 293 deletions(-) (limited to 'eclass/toolchain.eclass') diff --git a/eclass/toolchain.eclass b/eclass/toolchain.eclass index 1bbacfa2bdb4..caabb5f25fa1 100644 --- a/eclass/toolchain.eclass +++ b/eclass/toolchain.eclass @@ -19,15 +19,15 @@ _TOOLCHAIN_ECLASS=1 DESCRIPTION="The GNU Compiler Collection" HOMEPAGE="https://gcc.gnu.org/" -inherit 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() { [[ ${PV} == *9999* ]] } if tc_is_live ; then - EGIT_REPO_URI="https://gcc.gnu.org/git/gcc.git" - # naming style: + EGIT_REPO_URI="https://gcc.gnu.org/git/gcc.git https://github.com/gcc-mirror/gcc" + # Naming style: # gcc-10.1.0_pre9999 -> gcc-10-branch # Note that the micro version is required or lots of stuff will break. # To checkout master set gcc_LIVE_BRANCH="master" in the ebuild before @@ -35,6 +35,8 @@ if tc_is_live ; then EGIT_BRANCH="releases/${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/} @@ -55,32 +57,90 @@ is_crosscompile() { [[ ${CHOST} != ${CTARGET} ]] } -# General purpose version check. Without a second arg matches up to minor version (x.x.x) +# @FUNCTION: tc_version_is_at_least +# @USAGE: ver1 [ver2] +# @DESCRIPTION: +# General purpose version check. Without a second argument, matches +# up to minor version (x.x.x). tc_version_is_at_least() { ver_test "${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}-${PR} +# @ECLASS_VARIABLE: GCC_RELEASE_VER +# @INTERNAL +# @DESCRIPTION: # GCC_RELEASE_VER must always match 'gcc/BASE-VER' value. # It's an internal representation of gcc version used for: # - versioned paths on disk # - 'gcc -dumpversion' output. Must always match ... GCC_RELEASE_VER=$(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 ${GCC_PV}) +# @ECLASS_VARIABLE: GCC_CONFIG_VER +# @INTERNAL +# @DESCRIPTION: # Ideally this variable should allow for custom gentoo versioning # of binary and gcc-config names not directly tied to upstream # versioning. In practice it's hard to untangle from gcc/BASE-VER @@ -92,13 +152,13 @@ GCC_CONFIG_VER=${GCC_RELEASE_VER} # 1.2.3_pYYYYMMDD (or 1.2.3_preYYYYMMDD for unreleased major versions): weekly snapshots # 1.2.3_rcYYYYMMDD: release candidates if [[ ${GCC_PV} == *_pre* ]] ; then - # weekly snapshots + # Weekly snapshots SNAPSHOT=${GCCMAJOR}-${GCC_PV##*_pre} elif [[ ${GCC_PV} == *_p* ]] ; then - # weekly snapshots + # Weekly snapshots SNAPSHOT=${GCCMAJOR}-${GCC_PV##*_p} elif [[ ${GCC_PV} == *_rc* ]] ; then - # release candidates + # Release candidates SNAPSHOT=${GCC_PV%_rc*}-RC-${GCC_PV##*_rc} fi @@ -121,7 +181,7 @@ fi DATAPATH=${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/\.*/}} @@ -137,7 +197,7 @@ tc_has_feature() { has "$1" "${TC_FEATURES[@]}" } -if [[ ${PN} != "kgcc64" && ${PN} != gcc-* ]] ; then +if [[ ${PN} != kgcc64 && ${PN} != gcc-* ]] ; then IUSE+=" debug +cxx +nptl" TC_FEATURES+=( nptl ) [[ -n ${PIE_VER} ]] && IUSE+=" nopie" [[ -n ${SPECS_VER} ]] && IUSE+=" nossp" @@ -148,11 +208,14 @@ if [[ ${PN} != "kgcc64" && ${PN} != gcc-* ]] ; then 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 > 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 @@ -283,6 +371,31 @@ if [[ ${TOOLCHAIN_SET_S} == yes ]] ; then fi gentoo_urls() { + # 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 @@ -322,7 +435,7 @@ gentoo_urls() { # 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: @@ -362,7 +475,7 @@ 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 ${SNAPSHOT} ]] ; then GCC_SRC_URI="https://gcc.gnu.org/pub/gcc/snapshots/${SNAPSHOT}/gcc-${SNAPSHOT}.tar.xz" @@ -374,26 +487,18 @@ get_gcc_src_uri() { fi fi - local PATCH_SUFFIX="xz" - if ! tc_version_is_at_least 9.4.1_p20220317 || tc_version_is_between 9 9.5 \ - || tc_version_is_between 10 10.4 || tc_version_is_between 11 11.4 \ - || tc_version_is_between 12 12.0.1_pre20220424 ; then - # These are versions before we started to use .xz - PATCH_SUFFIX="bz2" - fi - [[ -n ${PATCH_VER} ]] && \ - GCC_SRC_URI+=" $(gentoo_urls gcc-${PATCH_GCC_VER}-patches-${PATCH_VER}.tar.${PATCH_SUFFIX})" + 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-${MUSL_VER}.tar.${PATCH_SUFFIX})" + 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.${PATCH_SUFFIX}} && \ + PIE_CORE=${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-${SPECS_VER}.tar.${PATCH_SUFFIX})" + 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 @@ -431,19 +536,54 @@ 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 +} + 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 ${TOOLCHAIN_USE_GIT_PATCHES} ]] ; then + toolchain_fetch_git_patches fi - default_src_unpack + default } #---->> src_prepare <<---- @@ -467,9 +607,9 @@ toolchain_src_prepare() { make_gcc_hard fi - # make sure the pkg config files install into multilib dirs. - # since we configure with just one --libdir, we can't use that - # (as gcc itself takes care of building multilibs). #435728 + # Make sure the pkg-config files install into multilib dirs. + # Since we configure with just one --libdir, we can't use that + # (as gcc itself takes care of building multilibs). bug #435728 find "${S}" -name Makefile.in \ -exec sed -i '/^pkgconfigdir/s:=.*:=$(toolexeclibdir)/pkgconfig:' {} + || die @@ -504,7 +644,7 @@ 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 @@ -513,9 +653,10 @@ toolchain_src_prepare() { || eerror "Please file a bug about this" eend $? done - sed -i 's|A-Za-z0-9|[:alnum:]|g' "${S}"/gcc/*.awk || die #215828 + # bug #215828 + sed -i 's|A-Za-z0-9|[:alnum:]|g' "${S}"/gcc/*.awk || die - # Prevent new texinfo from breaking old versions (see #198182, #464008) + # Prevent new texinfo from breaking old versions (see #198182, bug #464008) einfo "Remove texinfo (bug #198182, bug #464008)" eapply "${FILESDIR}"/gcc-configure-texinfo.patch @@ -531,13 +672,13 @@ toolchain_src_prepare() { do_gcc_gentoo_patches() { if ! use vanilla ; then - if [[ -n ${PATCH_VER} ]] ; then + 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 ${MUSL_VER} ]] && [[ ${CTARGET} == *musl* ]] ; then + 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 @@ -561,7 +702,7 @@ do_gcc_PIE_patches() { want_pie || return 0 use vanilla && return 0 - einfo "Applying pie patches ..." + einfo "Applying PIE patches ..." eapply "${WORKDIR}"/piepatch/*.patch BRANDING_GCC_PKGVERSION="${BRANDING_GCC_PKGVERSION}, pie-${PIE_VER}" @@ -572,7 +713,7 @@ do_gcc_CYGWINPORTS_patches() { use elibc_Cygwin || return 0 local p d="${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 @@ -588,14 +729,15 @@ do_gcc_CYGWINPORTS_patches() { 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 ..." @@ -605,21 +747,21 @@ 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" if _tc_use_if_iuse cet && [[ ${CTARGET} == *x86_64*-linux* ]] ; then gcc_hard_flags+=" -DEXTRA_OPTIONS_CF" fi - # rebrand to make bug reports easier + # Rebrand to make bug reports easier BRANDING_GCC_PKGVERSION=${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 ..." @@ -633,7 +775,7 @@ 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 @@ -645,7 +787,7 @@ 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) |' \ @@ -683,13 +825,13 @@ 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 ${CTARGET} in - x86_64*-linux*) config="i386" ;; - powerpc64*-linux*) config="rs6000" ;; - sparc64*-linux*) config="sparc" ;; - s390x*-linux*) config="s390" ;; - *) return 0 ;; + x86_64*-linux*) config="i386" ;; + powerpc64*-linux*) config="rs6000" ;; + sparc64*-linux*) config="sparc" ;; + s390x*-linux*) config="s390" ;; + *) return 0 ;; esac config+="/t-linux64" @@ -698,14 +840,14 @@ setup_multilib_osdirnames() { sed_args+=( -e 's:$[(]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/${config} || die @@ -717,7 +859,7 @@ gcc_version_patch() { local version_string=${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 @@ -735,15 +877,21 @@ toolchain_src_configure() { downgrade_arch_flags gcc_do_filter_flags + if tc_version_is_between 10 11 && [[ $(gcc-major-version) -ge 12 ]] ; then + # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105695 + # bug #849359 + export ac_cv_std_swap_in_utility=no + fi + einfo "CFLAGS=\"${CFLAGS}\"" einfo "CXXFLAGS=\"${CXXFLAGS}\"" einfo "LDFLAGS=\"${LDFLAGS}\"" # Force internal zip based jar script to avoid random - # issues with 3rd party jar implementations. #384291 + # 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 @@ -751,6 +899,8 @@ toolchain_src_configure() { local confgcc=( --host=${CHOST} ) + local build_config_targets=() + if is_crosscompile || tc-is-cross-compiler ; then # Straight from the GCC install doc: # "GCC has code to correctly determine the correct value for target @@ -790,14 +940,13 @@ toolchain_src_configure() { is_d && GCC_LANG+=",d" is_gcj && GCC_LANG+=",java" is_go && GCC_LANG+=",go" - is_jit && GCC_LANG+=",jit" if is_objc || is_objcxx ; then GCC_LANG+=",objc" use objc-gc && confgcc+=( --enable-objc-gc ) is_objcxx && GCC_LANG+=",obj-c++" fi - # fortran support just got sillier! the lang value can be f77 for + # Fortran support just got sillier! The lang value can be f77 for # fortran77, f95 for fortran95, or just plain old fortran for the # currently supported standard depending on gcc version. is_fortran && GCC_LANG+=",fortran" @@ -839,12 +988,12 @@ toolchain_src_configure() { --with-pkgversion="${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 @@ -853,17 +1002,18 @@ 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 - # Support to disable pch when building libstdcxx + 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 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 @@ -876,7 +1026,7 @@ 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 ) @@ -892,37 +1042,55 @@ 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 ) - ;; - *-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 );; + *-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 ) + ;; 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. @@ -948,31 +1116,33 @@ 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 fi # __cxa_atexit is "essential for fully standards-compliant handling of # destructors", but apparently requires glibc. case ${CTARGET} in - *-elf|*-eabi) - confgcc+=( --with-newlib ) - ;; - *-musl*) - confgcc+=( --enable-__cxa_atexit ) - ;; - *-gnu*) - confgcc+=( - --enable-__cxa_atexit - --enable-clocale=gnu - ) - ;; - *-solaris*) - confgcc+=( --enable-__cxa_atexit ) - ;; + *-elf|*-eabi) + confgcc+=( --with-newlib ) + ;; + *-musl*) + confgcc+=( --enable-__cxa_atexit ) + ;; + *-gnu*) + confgcc+=( + --enable-__cxa_atexit + --enable-clocale=gnu + ) + ;; + *-solaris*) + confgcc+=( --enable-__cxa_atexit ) + ;; esac ### arch options @@ -985,99 +1155,117 @@ 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, bug #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}) ) + ;; - # 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 + 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 ${TARGET_DEFAULT_ABI}) ) + fi + ;; + x86) + # Default arch for x86 is normally i386, let's give it a bump + # since glibc will do so based on CTARGET anyways + confgcc+=( --with-arch=${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, the 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 ${TARGET_DEFAULT_ABI}) ) - fi - ;; - x86) - # Default arch for x86 is normally i386, lets give it a bump - # since glibc will do so based on CTARGET anyways - confgcc+=( --with-arch=${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 + # 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 + # userland by not needing sys-devel/kgcc64. bug #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 ) ;; + 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 @@ -1099,16 +1287,16 @@ toolchain_src_configure() { fi if in_iuse openmp ; then - # Make sure target has pthreads support. #326757 #335883 + # 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 ... + # build without a C library, and you can't build that w/o + # already having a compiler... if ! is_crosscompile || \ $(tc-getCPP ${CTARGET}) -E - <<<"#include " >& /dev/null then confgcc+=( $(use_enable openmp libgomp) ) else - # Force disable as the configure script can be dumb #359855 + # Force disable as the configure script can be dumb, bug #359855 confgcc+=( --disable-libgomp ) fi else @@ -1122,13 +1310,18 @@ toolchain_src_configure() { 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 + # configuration as the 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 ) ;; + mingw*|*-mingw*) + ewarn "Not disabling libssp" + ;; + *) + confgcc+=( --disable-libssp ) + ;; esac else confgcc+=( --disable-libssp ) @@ -1171,6 +1364,8 @@ 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 @@ -1178,7 +1373,7 @@ 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+=( $(use_with graphite isl) ) use graphite && confgcc+=( --disable-isl-version-check ) @@ -1211,7 +1406,7 @@ toolchain_src_configure() { fi # Disable gcc info regeneration -- it ships with generated info pages - # already. Our custom version/urls/etc... trigger it. #464008 + # already. Our custom version/urls/etc... trigger it. bug #464008 export gcc_cv_prog_makeinfo_modern=no # Do not let the X detection get in our way. We know things can be found @@ -1222,6 +1417,11 @@ toolchain_src_configure() { confgcc+=( "$@" ${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}" @@ -1229,26 +1429,47 @@ toolchain_src_configure() { 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 "${WORKDIR}"/build > /dev/null + mkdir -p "${WORKDIR}"/build || die + pushd "${WORKDIR}"/build > /dev/null || die - # and now to do the actual configuration + # ...and now to do the actual configuration addwrite /dev/zero - echo "${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 @@ -1320,7 +1541,7 @@ 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 @@ -1372,16 +1593,21 @@ 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 + # Avoid shooting self in foot 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 + + filter-flags '-fsanitize=*' if tc_version_is_between 6 8 ; then # -mstackrealign triggers crashes in exception throwing @@ -1394,25 +1620,25 @@ gcc_do_filter_flags() { 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 + # bug #411333, bug #466454 replace-cpu-flags c3-2 pentium2 pentium3 pentium3m pentium-m i686 fi ;; alpha) - # https://bugs.gentoo.org/454426 + # bug #454426 append-ldflags -Wl,--no-relax ;; sparc) - # temporary workaround for random ICEs reproduced by multiple users - # https://bugs.gentoo.org/457062 + # Temporary workaround for random ICEs reproduced by multiple users + # bug #457062 tc_version_is_between 4.6 4.8 && MAKEOPTS+=" -j1" ;; *-macos) - # http://gcc.gnu.org/PR25127 + # https://gcc.gnu.org/PR25127 tc_version_is_between 4.0 4.2 && \ filter-flags '-mcpu=*' '-march=*' '-mtune=*' ;; @@ -1420,7 +1646,7 @@ gcc_do_filter_flags() { 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" @@ -1440,14 +1666,17 @@ setup_minispecs_gcc_build_specs() { 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 } @@ -1462,16 +1691,17 @@ 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}) [[ -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} ) + x86_64*) + tc_version_is_at_least 4.8 && confgcc+=( --with-multilib-list=${list:1} ) ;; esac fi @@ -1481,9 +1711,15 @@ gcc-abi-map() { # Convert the ABI name we use in Gentoo to what gcc uses local map=() case ${CTARGET} in - mips*) map=("o32 32" "n32 n32" "n64 64") ;; - riscv*) map=("lp64d lp64d" "lp64 lp64" "ilp32d ilp32d" "ilp32 ilp32") ;; - x86_64*) map=("amd64 m64" "x86 m32" "x32 mx32") ;; + mips*) + map=("o32 32" "n32 n32" "n64 64") + ;; + riscv*) + map=("lp64d lp64d" "lp64 lp64" "ilp32d ilp32d" "ilp32 ilp32") + ;; + x86_64*) + map=("amd64 m64" "x86 m32" "x32 mx32") + ;; esac local m @@ -1496,7 +1732,7 @@ gcc-abi-map() { #----> src_compile <---- toolchain_src_compile() { - touch "${S}"/gcc/c-gperf.h + touch "${S}"/gcc/c-gperf.h || die # Do not make manpages if we do not have perl ... [[ ! -x /usr/bin/perl ]] \ @@ -1508,11 +1744,16 @@ toolchain_src_compile() { unset ADAFLAGS # Older gcc versions did not detect bash and re-exec itself, so force the - # use of bash. Newer ones will auto-detect, but this is not harmful. + # use of bash for them. # This needs to be set for compile as well, as it's used in libtool - # generation, which will break install otherwise (at least in 3.3.6): #664486 - CONFIG_SHELL="${EPREFIX}/bin/bash" \ - gcc_do_make ${GCC_MAKE_TARGET} + # generation, which will break install otherwise (at least in 3.3.6): bug #664486 + local gcc_shell="${BROOT}"/bin/bash + if tc_version_is_at_least 11.2 ; then + gcc_shell="${BROOT}"/bin/sh + fi + + CONFIG_SHELL="${gcc_shell}" \ + gcc_do_make ${GCC_MAKE_TARGET} } gcc_do_make() { @@ -1527,11 +1768,17 @@ gcc_do_make() { # default target if is_crosscompile || tc-is-cross-compiler ; then - # 3 stage bootstrapping doesnt quite work when you cant run the - # resulting binaries natively ^^; + # 3 stage bootstrapping doesn't quite work when you can't run the + # resulting binaries natively GCC_MAKE_TARGET=${GCC_MAKE_TARGET-all} else - if _tc_use_if_iuse pgo; then + if [[ ${EXTRA_ECONF} == *--disable-bootstrap* ]] ; then + GCC_MAKE_TARGET=${GCC_MAKE_TARGET-all} + + ewarn "Disabling bootstrapping. ONLY recommended for development." + ewarn "This is NOT a safe configuration for endusers!" + ewarn "This compiler may not be safe or reliable for production use!" + elif _tc_use_if_iuse pgo; then GCC_MAKE_TARGET=${GCC_MAKE_TARGET-profiledbootstrap} else GCC_MAKE_TARGET=${GCC_MAKE_TARGET-bootstrap-lean} @@ -1540,7 +1787,7 @@ gcc_do_make() { # Older versions of GCC could not do profiledbootstrap in parallel due to # collisions with profiling info. - if [[ ${GCC_MAKE_TARGET} == "profiledbootstrap" ]]; then + if [[ ${GCC_MAKE_TARGET} == "profiledbootstrap" ]] ; then ! tc_version_is_at_least 4.6 && export MAKEOPTS="${MAKEOPTS} -j1" fi @@ -1562,23 +1809,36 @@ 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 "${WORKDIR}"/build >/dev/null + pushd "${WORKDIR}"/build >/dev/null || die emake \ LDFLAGS="${LDFLAGS}" \ STAGE1_CFLAGS="${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 - # Need to check why + # Without these links, it is not getting the good compiler + # TODO: 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 @@ -1589,16 +1849,17 @@ gcc_do_make() { if type -p doxygen > /dev/null ; then if tc_version_is_at_least 4.3 ; then cd "${CTARGET}"/libstdc++-v3/doc - emake doc-man-doxygen || ewarn "failed to make docs" + emake doc-man-doxygen else cd "${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 @@ -1606,30 +1867,40 @@ gcc_do_make() { fi fi - popd >/dev/null + popd >/dev/null || die } #---->> src_test <<---- toolchain_src_test() { - cd "${WORKDIR}"/build + cd "${WORKDIR}"/build || die + + # From opensuse's spec file: + # "asan needs a whole shadow address space" + ulimit -v unlimited + # '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 + + einfo "Testing complete." + einfo "Please ignore any 'mail' lines in the summary output below (no mail is sent)." + einfo "Summary:" + "${S}"/contrib/test_summary } #---->> src_install <<---- toolchain_src_install() { - cd "${WORKDIR}"/build + cd "${WORKDIR}"/build || die # Don't allow symlinks in private gcc include dir as this can break the build - find gcc/include*/ -type l -delete + find gcc/include*/ -type l -delete || die # Copy over the info pages. We disabled their generation earlier, but the - # build system only expects to install out of the build dir, not the source. #464008 - mkdir -p gcc/doc + # build system only expects to install out of the build dir, not the source. bug #464008 + mkdir -p gcc/doc || die local x= for x in "${S}"/gcc/doc/*.info* ; do if [[ -f ${x} ]] ; then @@ -1648,8 +1919,32 @@ toolchain_src_install() { && rm -f "${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 "${ED}" -name install-tools -prune -type d -exec rm -rf "{}" \; @@ -1673,12 +1968,12 @@ toolchain_src_install() { # Setup the gcc_env_entry for hardened gcc 4 with minispecs want_minispecs && copy_minispecs_gcc_specs - # Make sure we dont have stuff lying around that + # Make sure we don't have stuff lying around that # can nuke multiple versions of gcc gcc_slot_java dodir /usr/bin - cd "${D}"${BINPATH} + cd "${D}"${BINPATH} || die # 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 @@ -1712,7 +2007,7 @@ 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 @@ -1720,7 +2015,7 @@ 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}${BINPATH}" @@ -1743,14 +2038,14 @@ toolchain_src_install() { fi fi - # portage regenerates 'dir' files on it's own: bug #672408 + # Portage regenerates 'dir' files on its own: bug #672408 # Drop 'dir' files to avoid collisions. if [[ -f "${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 @@ -1766,14 +2061,14 @@ 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 \ @@ -1803,9 +2098,12 @@ 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 "${py}" || die done popd >/dev/null @@ -1814,16 +2112,16 @@ toolchain_src_install() { export QA_EXECSTACK="usr/lib*/go/*/*.gox" export QA_WX_LOAD="usr/lib*/go/*/*.gox" - # Disable RANDMMAP so PCH works. #301299 + # Disable RANDMMAP so PCH works, bug #301299 if tc_version_is_at_least 4.3 ; then - pax-mark -r "${D}${PREFIX}/libexec/gcc/${CTARGET}/${GCC_CONFIG_VER}/cc1" - pax-mark -r "${D}${PREFIX}/libexec/gcc/${CTARGET}/${GCC_CONFIG_VER}/cc1plus" + pax-mark -r "${ED}/libexec/gcc/${CTARGET}/${GCC_CONFIG_VER}/cc1" + pax-mark -r "${ED}/libexec/gcc/${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/${GCC_CONFIG_VER}/gij" + pax-mark -m "${ED}/libexec/gcc/${CTARGET}/${GCC_CONFIG_VER}/ecj1" + pax-mark -m "${ED}/${CTARGET}/gcc-bin/${GCC_CONFIG_VER}/gij" fi } @@ -1839,9 +2137,10 @@ gcc_movelibs() { dodir "${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 @@ -1893,24 +2192,25 @@ gcc_movelibs() { 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 +# 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 "${D}" >/dev/null || die - pushd "./${libpath}" >/dev/null + pushd "./${libpath}" >/dev/null || die local dir="${PWD#${D%/}}" local allarchives=$(echo *.la) allarchives="\(${allarchives// /\\|}\)" - popd >/dev/null + popd >/dev/null || die - # 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 @@ -1920,13 +2220,13 @@ fix_libtool_libdir_paths() { find "./${dir}/" -maxdepth 1 -name '*.la' \ -exec sed -i -e "/^dependency_libs=/s:/[^ ]*/${allarchives}:${libpath}/\1:g" {} + || die - popd >/dev/null + popd >/dev/null || die } create_gcc_env_entry() { dodir /etc/env.d/gcc - local gcc_envd_base="/etc/env.d/gcc/${CTARGET}-${GCC_CONFIG_VER}" + local gcc_envd_base="/etc/env.d/gcc/${CTARGET}-${GCC_CONFIG_VER}" local gcc_specs_file local gcc_envd_file="${ED}${gcc_envd_base}" if [[ -z $1 ]] ; then @@ -1983,12 +2283,12 @@ create_revdep_rebuild_entry() { } copy_minispecs_gcc_specs() { - # on gcc 6 we don't need minispecs + # On gcc 6, we don't need minispecs if tc_version_is_at_least 6.0 ; then return 0 fi - # setup the hardenedno* specs files and the vanilla specs file. + # Setup the hardenedno* specs files and the vanilla specs file. if hardened_gcc_works ; then create_gcc_env_entry hardenednopiessp fi @@ -2038,7 +2338,7 @@ gcc_slot_java() { done # Rename jar because it could clash with Kaffe's jar if this gcc is - # primary compiler (aka don't have the - extension) + # primary compiler (aka doesn't have the - extension) cd "${D}${BINPATH}" [[ -f jar ]] && mv -f jar gcj-jar } @@ -2047,6 +2347,7 @@ gcc_slot_java() { toolchain_pkg_postinst() { do_gcc_config + if [[ ! ${ROOT} && -f ${EPREFIX}/usr/share/eselect/modules/compiler-shadow.eselect ]] ; then eselect compiler-shadow update all fi @@ -2066,7 +2367,7 @@ toolchain_pkg_postrm() { 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/${CTARGET}* 2>/dev/null) ]] ; then einfo "Removing last cross-compiler instance. Deleting dangling symlinks." @@ -2094,7 +2395,7 @@ do_gcc_config() { current_gcc_config=$(gcc-config -c ${CTARGET} 2>/dev/null) if [[ -n ${current_gcc_config} ]] ; then local current_specs use_specs - # figure out which specs-specific config is active + # Figure out which specs-specific config is active current_specs=$(gcc-config -S ${current_gcc_config} | awk '{print $3}') [[ -n ${current_specs} ]] && use_specs=-${current_specs} @@ -2112,7 +2413,7 @@ 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 $2}') @@ -2127,9 +2428,9 @@ should_we_gcc_config() { local curr_config curr_config=$(gcc-config -c ${CTARGET} 2>&1) || return 0 - # if the previously selected config has the same major.minor (branch) as + # If the previously selected config has the same major.minor (branch) as # the version we are installing, then it will probably be uninstalled - # for being in the same SLOT, make sure we run gcc-config. + # for being in the same SLOT, so make sure we run gcc-config. local curr_config_ver=$(gcc-config -S ${curr_config} | awk '{print $2}') local curr_branch_ver=$(ver_cut 1-2 ${curr_config_ver}) @@ -2137,12 +2438,14 @@ 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 @@ -2218,10 +2521,12 @@ 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 } @@ -2248,7 +2553,7 @@ 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 @@ -2290,7 +2595,7 @@ 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 -- cgit v1.2.3