commit: 331f79b74debeac8f5d162e93f13a143365b2d4e Author: Magnus Granberg <zorry <AT> gentoo <DOT> org> AuthorDate: Sat Apr 23 16:16:59 2016 +0000 Commit: Magnus Granberg <zorry <AT> gentoo <DOT> org> CommitDate: Sat Apr 23 16:16:59 2016 +0000 URL: https://gitweb.gentoo.org/proj/hardened-dev.git/commit/?id=331f79b7
update toolchin.eclass and use pch eclass/toolchain.eclass | 517 +++++++++++++++++++++++++++++++++--------------- 1 file changed, 361 insertions(+), 156 deletions(-) diff --git a/eclass/toolchain.eclass b/eclass/toolchain.eclass index d340ae7..ececcdc 100644 --- a/eclass/toolchain.eclass +++ b/eclass/toolchain.eclass @@ -1,12 +1,11 @@ -# Copyright 1999-2013 Gentoo Foundation +# Copyright 1999-2016 Gentoo Foundation # Distributed under the terms of the GNU General Public License v2 # $Id$ # Maintainer: Toolchain Ninjas <[email protected]> DESCRIPTION="The GNU Compiler Collection" -HOMEPAGE="http://gcc.gnu.org/"; -LICENSE="GPL-2 LGPL-2.1" +HOMEPAGE="https://gcc.gnu.org/"; RESTRICT="strip" # cross-compilers need controlled stripping inherit eutils fixheadtails flag-o-matic gnuconfig libtool multilib pax-utils toolchain-funcs versionator @@ -27,7 +26,7 @@ FEATURES=${FEATURES/multilib-strict/} EXPORTED_FUNCTIONS="pkg_setup src_unpack src_compile src_test src_install pkg_postinst pkg_postrm" case ${EAPI:-0} in - 0|1) ;; + 0|1) die "Need to upgrade to at least EAPI=2";; 2|3) EXPORTED_FUNCTIONS+=" src_prepare src_configure" ;; 4*|5*) EXPORTED_FUNCTIONS+=" pkg_pretend src_prepare src_configure" ;; *) die "I don't speak EAPI ${EAPI}." @@ -38,8 +37,8 @@ EXPORT_FUNCTIONS ${EXPORTED_FUNCTIONS} export CTARGET=${CTARGET:-${CHOST}} if [[ ${CTARGET} = ${CHOST} ]] ; then - if [[ ${CATEGORY/cross-} != ${CATEGORY} ]] ; then - export CTARGET=${CATEGORY/cross-} + if [[ ${CATEGORY} == cross-* ]] ; then + export CTARGET=${CATEGORY#cross-} fi fi : ${TARGET_ABI:=${ABI}} @@ -51,7 +50,7 @@ is_crosscompile() { } # General purpose version check. Without a second arg matches up to minor version (x.x.x) -tc_version_is_at_least() { +tc_version_is_at_least() { version_is_at_least "$1" "${2:-${GCC_RELEASE_VER}}" } @@ -77,12 +76,9 @@ GCCMICRO=$(get_version_component_range 3 ${GCC_PV}) GCC_CONFIG_VER=${GCC_CONFIG_VER:-$(replace_version_separator 3 '-' ${GCC_PV})} # Pre-release support -if [[ ${GCC_PV} != ${GCC_PV/_pre/-} ]] ; then +if [[ ${GCC_PV} == *_pre* ]] ; then PRERELEASE=${GCC_PV/_pre/-} -fi - -# make _alpha and _beta ebuilds automatically use a snapshot -if [[ ${GCC_PV} == *_alpha* ]] ; then +elif [[ ${GCC_PV} == *_alpha* ]] ; then SNAPSHOT=${GCC_BRANCH_VER}-${GCC_PV##*_alpha} elif [[ ${GCC_PV} == *_beta* ]] ; then SNAPSHOT=${GCC_BRANCH_VER}-${GCC_PV##*_beta} @@ -90,6 +86,11 @@ elif [[ ${GCC_PV} == *_rc* ]] ; then SNAPSHOT=${GCC_PV%_rc*}-RC-${GCC_PV##*_rc} fi +if [[ ${SNAPSHOT} == [56789].0-* ]] ; then + # The gcc-5+ releases have dropped the .0 for some reason. + SNAPSHOT=${SNAPSHOT/.0} +fi + export GCC_FILESDIR=${GCC_FILESDIR:-${FILESDIR}} PREFIX=${TOOLCHAIN_PREFIX:-/usr} @@ -103,6 +104,7 @@ INCLUDEPATH=${TOOLCHAIN_INCLUDEPATH:-${LIBPATH}/include} if is_crosscompile ; then BINPATH=${TOOLCHAIN_BINPATH:-${PREFIX}/${CHOST}/${CTARGET}/gcc-bin/${GCC_CONFIG_VER}} + HOSTLIBPATH=${PREFIX}/${CHOST}/${CTARGET}/lib/${GCC_CONFIG_VER} else BINPATH=${TOOLCHAIN_BINPATH:-${PREFIX}/${CTARGET}/gcc-bin/${GCC_CONFIG_VER}} fi @@ -113,12 +115,28 @@ DATAPATH=${TOOLCHAIN_DATAPATH:-${PREFIX}/share/gcc-data/${CTARGET}/${GCC_CONFIG_ # We will handle /usr/include/g++-v3/ with gcc-config ... STDCXX_INCDIR=${TOOLCHAIN_STDCXX_INCDIR:-${LIBPATH}/include/g++-v${GCC_BRANCH_VER/\.*/}} -#---->> SLOT+IUSE logic <<---- +#---->> LICENSE+SLOT+IUSE logic <<---- + +if tc_version_is_at_least 4.6 ; then + LICENSE="GPL-3+ LGPL-3+ || ( GPL-3+ libgcc libstdc++ gcc-runtime-library-exception-3.1 ) FDL-1.3+" +elif tc_version_is_at_least 4.4 ; then + LICENSE="GPL-3+ LGPL-3+ || ( GPL-3+ libgcc libstdc++ gcc-runtime-library-exception-3.1 ) FDL-1.2+" +elif tc_version_is_at_least 4.3 ; then + LICENSE="GPL-3+ LGPL-3+ || ( GPL-3+ libgcc libstdc++ ) FDL-1.2+" +elif tc_version_is_at_least 4.2 ; then + LICENSE="GPL-3+ LGPL-2.1+ || ( GPL-3+ libgcc libstdc++ ) FDL-1.2+" +elif tc_version_is_at_least 3.3 ; then + LICENSE="GPL-2+ LGPL-2.1+ FDL-1.2+" +else + LICENSE="GPL-2+ LGPL-2.1+ FDL-1.1+" +fi -IUSE="multislot nls nptl regression-test vanilla" +IUSE="multislot regression-test vanilla" +IUSE_DEF=( nls nptl ) if [[ ${PN} != "kgcc64" && ${PN} != gcc-* ]] ; then - IUSE+=" altivec cxx fortran" + IUSE+=" altivec debug" + IUSE_DEF+=( cxx fortran ) [[ -n ${PIE_VER} ]] && IUSE+=" nopie" [[ -n ${HTB_VER} ]] && IUSE+=" boundschecking" [[ -n ${D_VER} ]] && IUSE+=" d" @@ -127,28 +145,31 @@ if [[ ${PN} != "kgcc64" && ${PN} != gcc-* ]] ; then tc_version_is_at_least 4.0 && IUSE+=" objc-gc" tc_version_is_between 4.0 4.9 && IUSE+=" mudflap" tc_version_is_at_least 4.1 && IUSE+=" libssp objc++" - tc_version_is_at_least 4.2 && IUSE+=" openmp" + tc_version_is_at_least 4.2 && IUSE_DEF+=( openmp ) tc_version_is_at_least 4.3 && IUSE+=" fixed-point" - tc_version_is_at_least 4.6 && IUSE+=" graphite" tc_version_is_at_least 4.7 && IUSE+=" go" + # Note: while <=gcc-4.7 also supported graphite, it required forked ppl + # versions which we dropped. Since graphite was also experimental in + # the older versions, we don't want to bother supporting it. #448024 + tc_version_is_at_least 4.8 && IUSE+=" graphite" IUSE_DEF+=( sanitize ) + tc_version_is_at_least 4.9 && IUSE+=" cilk" + tc_version_is_at_least 5.0 && IUSE+=" jit pch" + tc_version_is_at_least 6.0 && IUSE+=" pie +ssp" fi -# Support upgrade paths here or people get pissed -if use multislot ; then - SLOT="${GCC_CONFIG_VER}" -else - SLOT="${GCC_BRANCH_VER}" -fi +IUSE+=" ${IUSE_DEF[*]/#/+}" + +SLOT="${GCC_CONFIG_VER}" #---->> DEPEND <<---- RDEPEND="sys-libs/zlib - nls? ( sys-devel/gettext )" + 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 >=dev-libs/mpfr-2.4.2" + 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+=" ${GMP_MPFR_DEPS}" elif in_iuse fortran ; then @@ -156,27 +177,24 @@ if tc_version_is_at_least 4 ; then fi fi -tc_version_is_at_least 4.5 && RDEPEND+=" >=dev-libs/mpc-0.8.1" +tc_version_is_at_least 4.5 && RDEPEND+=" >=dev-libs/mpc-0.8.1:0" if in_iuse graphite ; then - if tc_version_is_at_least 4.8 ; then + if tc_version_is_at_least 5.0 ; then + RDEPEND+=" graphite? ( >=dev-libs/isl-0.14 )" + elif tc_version_is_at_least 4.8 ; then RDEPEND+=" graphite? ( >=dev-libs/cloog-0.18.0 >=dev-libs/isl-0.11.1 )" - else - RDEPEND+=" - graphite? ( - >=dev-libs/cloog-ppl-0.15.10 - >=dev-libs/ppl-0.11 - )" fi fi DEPEND="${RDEPEND} >=sys-devel/bison-1.875 >=sys-devel/flex-2.5.4 + nls? ( sys-devel/gettext ) regression-test? ( >=dev-util/dejagnu-1.4.4 >=sys-devel/autogen-5.5.4 @@ -192,10 +210,6 @@ if in_iuse gcj ; then x11-proto/xextproto =x11-libs/gtk+-2* virtual/pkgconfig - amd64? ( multilib? ( - app-emulation/emul-linux-x86-gtklibs - app-emulation/emul-linux-x86-xlibs - ) ) " 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" @@ -219,9 +233,9 @@ S=$( ) gentoo_urls() { - local devspace="HTTP~vapier/dist/URI HTTP~dirtyepic/dist/URI - HTTP~halcy0n/patches/URI HTTP~zorry/patches/gcc/URI" - devspace=${devspace//HTTP/http:\/\/dev.gentoo.org\/} + local devspace="HTTP~vapier/dist/URI HTTP~rhill/dist/URI + HTTP~zorry/patches/gcc/URI HTTP~blueness/dist/URI" + devspace=${devspace//HTTP/https:\/\/dev.gentoo.org\/} echo mirror://gentoo/$1 ${devspace//URI/$1} } @@ -292,11 +306,14 @@ get_gcc_src_uri() { # Set where to download gcc itself depending on whether we're using a # prerelease, snapshot, or release tarball. - if [[ -n ${PRERELEASE} ]] ; then + if [[ ${PV} == *9999* ]] ; then + # Nothing to do w/git snapshots. + : + elif [[ -n ${PRERELEASE} ]] ; then GCC_SRC_URI="ftp://gcc.gnu.org/pub/gcc/prerelease-${PRERELEASE}/gcc-${PRERELEASE}.tar.bz2"; elif [[ -n ${SNAPSHOT} ]] ; then GCC_SRC_URI="ftp://gcc.gnu.org/pub/gcc/snapshots/${SNAPSHOT}/gcc-${SNAPSHOT}.tar.bz2"; - elif [[ ${PV} != *9999* ]] ; then + else GCC_SRC_URI="mirror://gnu/gcc/gcc-${GCC_PV}/gcc-${GCC_RELEASE_VER}.tar.bz2" # we want all branch updates to be against the main release [[ -n ${BRANCH_UPDATE} ]] && \ @@ -367,8 +384,8 @@ toolchain_pkg_pretend() { #---->> pkg_setup <<---- toolchain_pkg_setup() { - case "${EAPI:-0}" in - 0|1|2|3) toolchain_pkg_pretend ;; + case ${EAPI} in + 2|3) toolchain_pkg_pretend ;; esac # we dont want to use the installed compiler's specs to build gcc @@ -384,10 +401,6 @@ toolchain_src_unpack() { else gcc_quick_unpack fi - - case ${EAPI:-0} in - 0|1) toolchain_src_prepare ;; - esac } gcc_quick_unpack() { @@ -473,7 +486,7 @@ toolchain_src_prepare() { do_gcc_PIE_patches epatch_user - if ( tc_version_is_at_least 4.8 || use hardened ) && ! use vanilla ; then + if ( tc_version_is_at_least 4.8.2 || use hardened ) && ! use vanilla ; then make_gcc_hard fi @@ -613,7 +626,6 @@ do_gcc_PIE_patches() { # configure to build with the hardened GCC specs as the default make_gcc_hard() { - # we want to be able to control the pie patch logic via something other # than ALL_CFLAGS... sed -e '/^ALL_CFLAGS/iHARD_CFLAGS = ' \ @@ -641,9 +653,8 @@ make_gcc_hard() { ewarn "PIE has not been enabled by default" gcc_hard_flags+=" -DEFAULT_SSP" else - # do nothing if hardened isnt supported, but dont die either + # do nothing if hardened isn't supported, but don't die either ewarn "hardened is not supported for this arch in this gcc version" - ebeep return 0 fi # rebrand to make bug reports easier @@ -766,6 +777,7 @@ do_gcc_rename_java_bins() { #---->> src_configure <<---- toolchain_src_configure() { + downgrade_arch_flags gcc_do_filter_flags einfo "CFLAGS=\"${CFLAGS}\"" @@ -823,6 +835,7 @@ 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 @@ -830,7 +843,6 @@ toolchain_src_configure() { fi is_objcxx && GCC_LANG+=",obj-c++" fi - is_treelang && GCC_LANG+=",treelang" # fortran support just got sillier! the lang value can be f77 for # fortran77, f95 for fortran95, or just plain old fortran for the @@ -863,10 +875,10 @@ toolchain_src_configure() { # Use the default ("release") checking because upstream usually neglects # to test "disabled" so it has a history of breaking. #317217 - if tc_version_is_at_least 4 || [[ -n ${GCC_CHECKS_LIST} ]] ; then - confgcc+=( --enable-checking=${GCC_CHECKS_LIST:-release} ) - else - confgcc+=( --disable-checking ) + if tc_version_is_at_least 3.4 ; then + # The "release" keyword is new to 4.0. #551636 + local off=$(tc_version_is_at_least 4.0 && echo release || echo no) + confgcc+=( --enable-checking="${GCC_CHECKS_LIST:-$(usex debug yes ${off})}" ) fi # Branding @@ -887,6 +899,24 @@ toolchain_src_configure() { confgcc+=( --enable-libstdcxx-time ) fi + # Support to disable pch when building libstdcxx + if tc_version_is_at_least 5.0 && ! use pch ; then + confgcc+=( --disable-libstdcxx-pch ) + fi + + # The jit language requires this. + is_jit && confgcc+=( --enable-host-shared ) + + # # Turn on the -Wl,--build-id flag by default for ELF targets. #525942 + # # This helps with locating debug files. + # case ${CTARGET} in + # *-linux-*|*-elf|*-eabi) + # tc_version_is_at_least 4.5 && confgcc+=( + # --enable-linker-build-id + # ) + # ;; + # esac + # newer gcc versions like to bootstrap themselves with C++, # so we need to manually disable it ourselves if tc_version_is_between 4.7 4.8 && ! is_cxx ; then @@ -1007,9 +1037,9 @@ toolchain_src_configure() { *) # If they've explicitly opt-ed in, do hardfloat, # otherwise let the gcc default kick in. - [[ ${CTARGET//_/-} == *-hardfloat-* ]] \ - && confgcc+=( --with-float=hard ) - ;; + case ${CTARGET//_/-} in + *-hardfloat-*|*eabihf) confgcc+=( --with-float=hard ) ;; + esac esac local with_abi_map=() @@ -1055,7 +1085,7 @@ toolchain_src_configure() { amd64) # drop the older/ABI checks once this get's merged into some # version of gcc upstream - if tc_version_is_at_least 4.7 && has x32 $(get_all_abis TARGET) ; then + 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 ;; @@ -1129,10 +1159,15 @@ toolchain_src_configure() { if use_if_iuse libssp ; then confgcc+=( --enable-libssp ) else - export gcc_cv_libc_provides_ssp=yes + if hardened_gcc_is_stable ssp; then + export gcc_cv_libc_provides_ssp=yes + fi confgcc+=( --disable-libssp ) fi + fi + if in_iuse cilk ; then + confgcc+=( $(use_enable cilk libcilkrts) ) fi # newer gcc's come with libquadmath, but only fortran uses @@ -1147,21 +1182,28 @@ toolchain_src_configure() { confgcc+=( --disable-lto ) fi - # graphite was added in 4.4 but we only support it in 4.6+ due to external - # library issues. 4.6/4.7 uses cloog-ppl which is a fork of CLooG with a - # PPL backend. 4.8+ uses upstream CLooG with the ISL backend. We install - # cloog-ppl into a non-standard location to prevent collisions. - if tc_version_is_at_least 4.8 ; then - confgcc+=( $(use_with graphite cloog) ) + # graphite was added in 4.4 but we only support it in 4.8+ due to external + # library issues. #448024 + if tc_version_is_at_least 5.0 ; then + confgcc+=( $(use_with graphite isl) ) use graphite && confgcc+=( --disable-isl-version-check ) - elif tc_version_is_at_least 4.6 ; then + elif tc_version_is_at_least 4.8 ; then confgcc+=( $(use_with graphite cloog) ) - confgcc+=( $(use_with graphite ppl) ) - use graphite && confgcc+=( --with-cloog-include=/usr/include/cloog-ppl ) - use graphite && confgcc+=( --disable-ppl-version-check ) + use graphite && confgcc+=( --disable-isl-version-check ) elif tc_version_is_at_least 4.4 ; then - confgcc+=( --without-cloog ) - confgcc+=( --without-ppl ) + confgcc+=( --without-{cloog,ppl} ) + fi + + if tc_version_is_at_least 4.8 ; then + confgcc+=( $(use_enable sanitize libsanitizer) ) + fi + + if tc_version_is_at_least 6.0 ; then + confgcc+=( + $(use_enable pie default-pie) + # This defaults to -fstack-protector-strong. + $(use_enable ssp default-ssp) + ) fi # Disable gcc info regeneration -- it ships with generated info pages @@ -1196,12 +1238,143 @@ toolchain_src_configure() { # and now to do the actual configuration addwrite /dev/zero echo "${S}"/configure "${confgcc[@]}" - "${S}"/configure "${confgcc[@]}" || die "failed to run configure" + # Older gcc versions did not detect bash and re-exec itself, so force the + # use of bash. Newer ones will auto-detect, but this is not harmeful. + CONFIG_SHELL="/bin/bash" \ + bash "${S}"/configure "${confgcc[@]}" || die "failed to run configure" # return to whatever directory we were in before popd > /dev/null } +# Replace -m flags unsupported by the version being built with the best +# available equivalent +downgrade_arch_flags() { + local arch bver i isa myarch mytune rep ver + + bver=${1:-${GCC_BRANCH_VER}} + [[ $(gcc-version) < ${bver} ]] && return 0 + [[ $(tc-arch) != amd64 && $(tc-arch) != x86 ]] && return 0 + + myarch=$(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 [[ ${bver} < 4.2 ]] ; then + arch=$($(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 && ${bver} < 4.9 ]] && replace-cpu-flags intel generic + [[ ${mytune} == generic && ${bver} < 4.2 ]] && filter-flags '-mtune=*' + [[ ${mytune} == x86-64 ]] && filter-flags '-mtune=*' + [[ ${bver} < 3.4 ]] && filter-flags '-mtune=*' + + # "added" "arch" "replacement" + local archlist=( + 4.9 bdver4 bdver3 + 4.9 bonnell atom + 4.9 broadwell core-avx2 + 4.9 haswell core-avx2 + 4.9 ivybridge core-avx-i + 4.9 nehalem corei7 + 4.9 sandybridge corei7-avx + 4.9 silvermont corei7 + 4.9 westmere corei7 + 4.8 bdver3 bdver2 + 4.8 btver2 btver1 + 4.7 bdver2 bdver1 + 4.7 core-avx2 core-avx-i + 4.6 bdver1 amdfam10 + 4.6 btver1 amdfam10 + 4.6 core-avx-i core2 + 4.6 corei7 core2 + 4.6 corei7-avx core2 + 4.5 atom core2 + 4.3 amdfam10 k8 + 4.3 athlon64-sse3 k8 + 4.3 barcelona k8 + 4.3 core2 nocona + 4.3 geode k6-2 # gcc.gnu.org/PR41989#c22 + 4.3 k8-sse3 k8 + 4.3 opteron-sse3 k8 + 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 < ${#archlist[@]}; i += 3)) ; do + myarch=$(get-flag march) + mytune=$(get-flag mtune) + + ver=${archlist[i]} + arch=${archlist[i + 1]} + rep=${archlist[i + 2]} + + [[ ${myarch} != ${arch} && ${mytune} != ${arch} ]] && continue + + if [[ ${ver} > ${bver} ]] ; then + einfo "Replacing ${myarch} (added in gcc ${ver}) with ${rep}..." + [[ ${myarch} == ${arch} ]] && replace-cpu-flags ${myarch} ${rep} + [[ ${mytune} == ${arch} ]] && replace-cpu-flags ${mytune} ${rep} + continue + else + break + fi + done + + # we only check -mno* here since -m* get removed by strip-flags later on + local isalist=( + 4.9 -mno-sha + 4.9 -mno-avx512pf + 4.9 -mno-avx512f + 4.9 -mno-avx512er + 4.9 -mno-avx512cd + 4.8 -mno-xsaveopt + 4.8 -mno-xsave + 4.8 -mno-rtm + 4.8 -mno-fxsr + 4.7 -mno-lzcnt + 4.7 -mno-bmi2 + 4.7 -mno-avx2 + 4.6 -mno-tbm + 4.6 -mno-rdrnd + 4.6 -mno-fsgsbase + 4.6 -mno-f16c + 4.6 -mno-bmi + 4.5 -mno-xop + 4.5 -mno-movbe + 4.5 -mno-lwp + 4.5 -mno-fma4 + 4.4 -mno-pclmul + 4.4 -mno-fma + 4.4 -mno-avx + 4.4 -mno-aes + 4.3 -mno-ssse3 + 4.3 -mno-sse4a + 4.3 -mno-sse4 + 4.3 -mno-sse4.2 + 4.3 -mno-sse4.1 + 4.3 -mno-popcnt + 4.3 -mno-abm + ) + + for ((i = 0; i < ${#isalist[@]}; i += 2)) ; do + ver=${isalist[i]} + isa=${isalist[i + 1]} + [[ ${ver} > ${bver} ]] && filter-flags ${isa} ${isa/-m/-mno-} + done +} + gcc_do_filter_flags() { strip-flags replace-flags -O? -O2 @@ -1209,26 +1382,14 @@ gcc_do_filter_flags() { # dont want to funk ourselves filter-flags '-mabi*' -m31 -m32 -m64 - filter-flags '-frecord-gcc-switches' # 490738 + filter-flags -frecord-gcc-switches # 490738 + filter-flags -mno-rtm -mno-htm # 506202 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 k8 athlon64 opteron x86-64 - replace-cpu-flags pentium-m pentium3m pentium3 replace-cpu-flags G3 750 replace-cpu-flags G4 7400 replace-cpu-flags G5 7400 - - case $(tc-arch) in - amd64) - replace-cpu-flags core2 nocona - filter-flags '-mtune=*' - ;; - x86) - replace-cpu-flags core2 prescott - filter-flags '-mtune=*' - ;; - esac # XXX: should add a sed or something to query all supported flags # from the gcc source and trim everything else ... @@ -1241,6 +1402,9 @@ gcc_do_filter_flags() { case $(tc-arch) in amd64|x86) filter-flags '-mcpu=*' + + tc_version_is_between 4.4 4.5 && append-flags -mno-avx # 357287 + if tc_version_is_between 4.6 4.7 ; then # https://bugs.gentoo.org/411333 # https://bugs.gentoo.org/466454 @@ -1316,7 +1480,7 @@ gcc-multilib-configure() { if [[ -n ${list} ]] ; then case ${CTARGET} in x86_64*) - tc_version_is_at_least 4.7 && confgcc+=( --with-multilib-list=${list:1} ) + tc_version_is_at_least 4.8 && confgcc+=( --with-multilib-list=${list:1} ) ;; esac fi @@ -1340,30 +1504,25 @@ gcc-abi-map() { #----> src_compile <---- toolchain_src_compile() { - case ${EAPI:-0} in - 0|1) toolchain_src_configure ;; - esac - touch "${S}"/gcc/c-gperf.h # Do not make manpages if we do not have perl ... [[ ! -x /usr/bin/perl ]] \ - && find "${WORKDIR}"/build -name '*.[17]' | xargs touch + && find "${WORKDIR}"/build -name '*.[17]' -exec touch {} + - einfo "Compiling ${PN} ..." gcc_do_make ${GCC_MAKE_TARGET} } gcc_do_make() { # This function accepts one optional argument, the make target to be used. # If omitted, gcc_do_make will try to guess whether it should use all, - # profiledbootstrap, or bootstrap-lean depending on CTARGET and arch. An - # example of how to use this function: + # or bootstrap-lean depending on CTARGET and arch. + # An example of how to use this function: # # gcc_do_make all-target-libstdc++-v3 - # - # Set make target to $1 if passed + [[ -n ${1} ]] && GCC_MAKE_TARGET=${1} + # default target if is_crosscompile || tc-is-cross-compiler ; then # 3 stage bootstrapping doesnt quite work when you cant run the @@ -1373,13 +1532,11 @@ gcc_do_make() { GCC_MAKE_TARGET=${GCC_MAKE_TARGET-bootstrap-lean} fi - # the gcc docs state that parallel make isnt supported for the - # profiledbootstrap target, as collisions in profile collecting may occur. + # Older versions of GCC could not do profiledbootstrap in parallel due to + # collisions with profiling info. # boundschecking also seems to introduce parallel build issues. - if [[ ${GCC_MAKE_TARGET} == "profiledbootstrap" ]] || - use_if_iuse boundschecking - then - export MAKEOPTS="${MAKEOPTS} -j1" + if [[ ${GCC_MAKE_TARGET} == "profiledbootstrap" ]] || use_if_iuse boundschecking ; then + ! tc_version_is_at_least 4.6 && export MAKEOPTS="${MAKEOPTS} -j1" fi if [[ ${GCC_MAKE_TARGET} == "all" ]] ; then @@ -1400,6 +1557,8 @@ gcc_do_make() { BOOT_CFLAGS=${BOOT_CFLAGS-"$(get_abi_CFLAGS ${TARGET_DEFAULT_ABI}) ${CFLAGS}"} fi + einfo "Compiling ${PN} (${GCC_MAKE_TARGET})..." + pushd "${WORKDIR}"/build >/dev/null emake \ @@ -1419,6 +1578,13 @@ gcc_do_make() { cd "${CTARGET}"/libstdc++-v3 emake doxygen-man || ewarn "failed to make docs" fi + # Clean bogus manpages. #113902 + find -name '*_build_*' -delete + # Blow away generated directory references. Newer versions of gcc + # have gotten better at this, but not perfect. This is easier than + # backporting all of the various doxygen patches. #486754 + find -name '*_.3' -exec grep -l ' Directory Reference ' {} + | \ + xargs rm -f else ewarn "Skipping libstdc++ manpage generation since you don't have doxygen installed" fi @@ -1454,8 +1620,12 @@ toolchain_src_install() { fi done - # Remove generated headers, as they can cause things to break - # (ncurses, openssl, etc). + # We remove the generated fixincludes, as they can cause things to break + # (ncurses, openssl, etc). We do not prevent them from being built, as + # in the following commit which we revert: + # https://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/eclass/toolchain.eclass?r1=1.647&r2=1.648 + # This is because bsd userland needs fixedincludes to build gcc, while + # linux does not. Both can dispose of them afterwards. while read x ; do grep -q 'It has been auto-edited by fixincludes from' "${x}" \ && rm -f "${x}" @@ -1496,7 +1666,12 @@ toolchain_src_install() { for x in cpp gcc g++ c++ gcov g77 gcj gcjh gfortran gccgo ; do # For some reason, g77 gets made instead of ${CTARGET}-g77... # this should take care of that - [[ -f ${x} ]] && mv ${x} ${CTARGET}-${x} + if [[ -f ${x} ]] ; then + # In case they're hardlinks, clear out the target first + # otherwise the mv below will complain. + rm -f ${CTARGET}-${x} + mv ${x} ${CTARGET}-${x} + fi if [[ -f ${CTARGET}-${x} ]] ; then if ! is_crosscompile ; then @@ -1514,9 +1689,18 @@ toolchain_src_install() { ln -sf ${CTARGET}-${x} ${CTARGET}-${x}-${GCC_CONFIG_VER} fi done + # Rename the main go binaries as we don't want to clobber dev-lang/go + # when gcc-config runs. #567806 + if tc_version_is_at_least 5 && is_go ; then + for x in go gofmt; do + mv ${x} ${x}-${GCCMAJOR} || die + done + fi # Now do the fun stripping stuff env RESTRICT="" CHOST=${CHOST} prepstrip "${D}${BINPATH}" + is_crosscompile && \ + env RESTRICT="" CHOST=${CHOST} prepstrip "${D}/${HOSTLIBPATH}" env RESTRICT="" CHOST=${CTARGET} prepstrip "${D}${LIBPATH}" # gcc used to install helper binaries in lib/ but then moved to libexec/ [[ -d ${D}${PREFIX}/libexec/gcc ]] && \ @@ -1530,8 +1714,6 @@ toolchain_src_install() { if tc_version_is_at_least 3.0 ; then local cxx_mandir=$(find "${WORKDIR}/build/${CTARGET}/libstdc++-v3" -name man) if [[ -d ${cxx_mandir} ]] ; then - # clean bogus manpages #113902 - find "${cxx_mandir}" -name '*_build_*' -exec rm {} \; cp -r "${cxx_mandir}"/man? "${D}/${DATAPATH}"/man/ fi fi @@ -1548,22 +1730,17 @@ toolchain_src_install() { # install testsuite results if use regression-test; then docinto testsuite - find "${WORKDIR}"/build -type f -name "*.sum" -print0 | xargs -0 dodoc - find "${WORKDIR}"/build -type f -path "*/testsuite/*.log" -print0 \ - | xargs -0 dodoc + find "${WORKDIR}"/build -type f -name "*.sum" -exec dodoc {} + + find "${WORKDIR}"/build -type f -path "*/testsuite/*.log" -exec dodoc {} + fi # Rather install the script, else portage with changing $FILESDIR # between binary and source package borks things .... if ! is_crosscompile ; then insinto "${DATAPATH}" - if tc_version_is_at_least 4.0 ; then - newins "${GCC_FILESDIR}"/awk/fixlafiles.awk-no_gcc_la fixlafiles.awk || die - find "${D}/${LIBPATH}" -name libstdc++.la -type f -exec rm "{}" \; - find "${D}/${LIBPATH}" -name "lib?san.la" -type f -exec rm "{}" \; # 487550 - else - doins "${GCC_FILESDIR}"/awk/fixlafiles.awk || die - fi + newins "${GCC_FILESDIR}"/awk/fixlafiles.awk-no_gcc_la fixlafiles.awk || die + find "${D}/${LIBPATH}" -name libstdc++.la -type f -delete + find "${D}/${LIBPATH}" -name 'lib*san.la' -type f -delete #487550 #546700 exeinto "${DATAPATH}" doexe "${GCC_FILESDIR}"/fix_libtool_files.sh || die doexe "${GCC_FILESDIR}"/c{89,99} || die @@ -1604,6 +1781,17 @@ 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 + # code to run on the target. + if tc_version_is_at_least 5 && is_crosscompile ; then + dodir "${HOSTLIBPATH}" + mv "${D}"/usr/$(get_libdir)/libcc1* "${D}${HOSTLIBPATH}" || die + fi + + # For all the libs that are built for CTARGET, move them into the + # compiler-specific CTARGET internal dir. local x multiarg removedirs="" for multiarg in $($(XGCC) -print-multi-lib) ; do multiarg=${multiarg#*;} @@ -1627,7 +1815,7 @@ gcc_movelibs() { if [[ ${FROMDIR} != "${TODIR}" && -d ${FROMDIR} ]] ; then local files=$(find "${FROMDIR}" -maxdepth 1 ! -type d 2>/dev/null) if [[ -n ${files} ]] ; then - mv ${files} "${TODIR}" + mv ${files} "${TODIR}" || die fi fi done @@ -1637,7 +1825,7 @@ gcc_movelibs() { FROMDIR="${PREFIX}/lib/${OS_MULTIDIR}" for x in "${D}${FROMDIR}"/pkgconfig/libgcj*.pc ; do [[ -f ${x} ]] || continue - sed -i "/^libdir=/s:=.*:=${LIBPATH}/${MULTIDIR}:" "${x}" + sed -i "/^libdir=/s:=.*:=${LIBPATH}/${MULTIDIR}:" "${x}" || die mv "${x}" "${D}${FROMDIR}"/pkgconfig/libgcj-${GCC_PV}.pc || die done done @@ -1649,28 +1837,32 @@ gcc_movelibs() { for FROMDIR in ${removedirs} ; do rmdir "${D}"${FROMDIR} >& /dev/null done - find "${D}" -type d | xargs rmdir >& /dev/null + find -depth "${D}" -type d -exec rmdir {} + >& /dev/null } # make sure the libtool archives have libdir set to where they actually # -are-, and not where they -used- to be. also, any dependencies we have # on our own .la files need to be updated. fix_libtool_libdir_paths() { + local libpath="$1" + pushd "${D}" >/dev/null - pushd "./${1}" >/dev/null + pushd "./${libpath}" >/dev/null local dir="${PWD#${D%/}}" local allarchives=$(echo *.la) allarchives="\(${allarchives// /\\|}\)" popd >/dev/null - sed -i \ - -e "/^libdir=/s:=.*:='${dir}':" \ - ./${dir}/*.la - sed -i \ - -e "/^dependency_libs=/s:/[^ ]*/${allarchives}:${LIBPATH}/\1:g" \ - $(find ./${PREFIX}/lib* -maxdepth 3 -name '*.la') \ - ./${dir}/*.la + # The libdir might not have any .la files. #548782 + find "./${dir}" -maxdepth 1 -name '*.la' \ + -exec sed -i -e "/^libdir=/s:=.*:='${dir}':" {} + || die + # Would be nice to combine these, but -maxdepth can not be specified + # on sub-expressions. + find "./${PREFIX}"/lib* -maxdepth 3 -name '*.la' \ + -exec sed -i -e "/^dependency_libs=/s:/[^ ]*/${allarchives}:${libpath}/\1:g" {} + || die + find "./${dir}/" -maxdepth 1 -name '*.la' \ + -exec sed -i -e "/^dependency_libs=/s:/[^ ]*/${allarchives}:${libpath}/\1:g" {} + || die popd >/dev/null } @@ -1795,7 +1987,7 @@ toolchain_pkg_postinst() { echo ewarn "You might want to review the GCC upgrade guide when moving between" ewarn "major versions (like 4.2 to 4.3):" - ewarn "http://www.gentoo.org/doc/en/gcc-upgrading.xml"; + ewarn "https://wiki.gentoo.org/wiki/Upgrading_GCC"; echo # Clean up old paths @@ -1815,6 +2007,12 @@ toolchain_pkg_postinst() { elog "Testsuite results have been installed into /usr/share/doc/${PF}/testsuite" echo fi + + if [[ -n ${PRERELEASE}${SNAPSHOT} ]] ; then + einfo "This GCC ebuild is provided for your convenience, and the use" + einfo "of this compiler is not supported by the Gentoo Developers." + einfo "Please report bugs to upstream at http://gcc.gnu.org/bugzilla/"; + fi } toolchain_pkg_postrm() { @@ -1857,26 +2055,36 @@ do_gcc_config() { return 0 fi - local current_gcc_config="" current_specs="" use_specs="" + local current_gcc_config target current_gcc_config=$(env -i ROOT="${ROOT}" gcc-config -c ${CTARGET} 2>/dev/null) if [[ -n ${current_gcc_config} ]] ; then + local current_specs use_specs # figure out which specs-specific config is active current_specs=$(gcc-config -S ${current_gcc_config} | awk '{print $3}') [[ -n ${current_specs} ]] && use_specs=-${current_specs} - fi - if [[ -n ${use_specs} ]] && \ - [[ ! -e ${ROOT}/etc/env.d/gcc/${CTARGET}-${GCC_CONFIG_VER}${use_specs} ]] - then - ewarn "The currently selected specs-specific gcc config," - ewarn "${current_specs}, doesn't exist anymore. This is usually" - ewarn "due to enabling/disabling hardened or switching to a version" - ewarn "of gcc that doesnt create multiple specs files. The default" - ewarn "config will be used, and the previous preference forgotten." - use_specs="" + + if [[ -n ${use_specs} ]] && \ + [[ ! -e ${ROOT}/etc/env.d/gcc/${CTARGET}-${GCC_CONFIG_VER}${use_specs} ]] + then + ewarn "The currently selected specs-specific gcc config," + ewarn "${current_specs}, doesn't exist anymore. This is usually" + ewarn "due to enabling/disabling hardened or switching to a version" + ewarn "of gcc that doesnt create multiple specs files. The default" + ewarn "config will be used, and the previous preference forgotten." + use_specs="" + fi + + target="${CTARGET}-${GCC_CONFIG_VER}${use_specs}" + else + # The curent target is invalid. Attempt to switch to a valid one. + # Blindly pick the latest version. #529608 + # TODO: Should update gcc-config to accept `-l ${CTARGET}` rather than + # doing a partial grep like this. + target=$(gcc-config -l 2>/dev/null | grep " ${CTARGET}-[0-9]" | tail -1 | awk '{print $2}') fi - gcc-config ${CTARGET}-${GCC_CONFIG_VER}${use_specs} + gcc-config "${target}" } should_we_gcc_config() { @@ -1941,7 +2149,7 @@ is_ada() { is_cxx() { gcc-lang-supported 'c++' || return 1 - tc_version_is_at_least 4.8 && return 0 + ! is_crosscompile && tc_version_is_at_least 4.8 && return 0 use cxx } @@ -1975,6 +2183,11 @@ is_go() { use cxx && use_if_iuse go } +is_jit() { + gcc-lang-supported jit || return 1 + use_if_iuse jit +} + is_multilib() { tc_version_is_at_least 3 || return 1 use multilib @@ -1990,14 +2203,6 @@ is_objcxx() { use cxx && use_if_iuse objc++ } -is_treelang() { - use_if_iuse boundschecking && return 1 #260532 - is_crosscompile && return 1 #199924 - gcc-lang-supported treelang || return 1 - #use treelang - return 0 -} - # Grab a variable from the build system (taken from linux-info.eclass) get_make_var() { local var=$1 makefile=${2:-${WORKDIR}/build/Makefile} @@ -2047,7 +2252,7 @@ hardened_gcc_is_stable() { elif [[ $1 == "ssp" ]] ; then if [[ ${CTARGET} == *-uclibc* ]] ; then tocheck=${SSP_UCLIBC_STABLE} - else + elif [[ ${CTARGET} == *-gnu* ]] ; then tocheck=${SSP_STABLE} fi else @@ -2088,7 +2293,7 @@ want_pie() { has toolchain_death_notice ${EBUILD_DEATH_HOOKS} || EBUILD_DEATH_HOOKS+=" toolchain_death_notice" toolchain_death_notice() { - if [[ -e "${WORKDIR}"/build ]] ; then + if [[ -e "${WORKDIR}"/build ]] ; then pushd "${WORKDIR}"/build >/dev/null (echo '' | $(tc-getCC ${CTARGET}) ${CFLAGS} -v -E - 2>&1) > gccinfo.log [[ -e "${T}"/build.log ]] && cp "${T}"/build.log .
