# Copyright 1999-2008 Gentoo Foundation # Distributed under the terms of the GNU General Public License v2 # $Header: /var/cvsroot/gentoo-x86/eclass/toolchain.eclass,v 1.441 2010/10/28 04:24:13 vapier Exp $ # # Maintainer: Toolchain Ninjas HOMEPAGE="http://gcc.gnu.org/" LICENSE="GPL-2 LGPL-2.1" RESTRICT="strip" # cross-compilers need controlled stripping #---->> eclass stuff <<---- inherit eutils versionator libtool toolchain-funcs flag-o-matic gnuconfig multilib fixheadtails EXPORT_FUNCTIONS pkg_setup src_unpack src_compile src_test pkg_preinst src_install pkg_postinst pkg_prerm pkg_postrm DESCRIPTION="Based on the ${ECLASS} eclass" FEATURES=${FEATURES/multilib-strict/} toolchain_pkg_setup() { gcc_pkg_setup } toolchain_src_unpack() { gcc_src_unpack } toolchain_src_compile() { gcc_src_compile } toolchain_src_test() { gcc_src_test } toolchain_pkg_preinst() { ${ETYPE}_pkg_preinst } toolchain_src_install() { ${ETYPE}_src_install } toolchain_pkg_postinst() { ${ETYPE}_pkg_postinst } toolchain_pkg_prerm() { ${ETYPE}_pkg_prerm } toolchain_pkg_postrm() { ${ETYPE}_pkg_postrm } #----<< eclass stuff >>---- #---->> globals <<---- export CTARGET=${CTARGET:-${CHOST}} if [[ ${CTARGET} = ${CHOST} ]] ; then if [[ ${CATEGORY/cross-} != ${CATEGORY} ]] ; then export CTARGET=${CATEGORY/cross-} fi fi is_crosscompile() { [[ ${CHOST} != ${CTARGET} ]] } tc_version_is_at_least() { version_is_at_least "$1" "${2:-${GCC_PV}}" ; } GCC_PV=${TOOLCHAIN_GCC_PV:-${PV}} GCC_PVR=${GCC_PV} [[ ${PR} != "r0" ]] && GCC_PVR=${GCC_PVR}-${PR} GCC_RELEASE_VER=$(get_version_component_range 1-3 ${GCC_PV}) GCC_BRANCH_VER=$(get_version_component_range 1-2 ${GCC_PV}) GCCMAJOR=$(get_version_component_range 1 ${GCC_PV}) GCCMINOR=$(get_version_component_range 2 ${GCC_PV}) GCCMICRO=$(get_version_component_range 3 ${GCC_PV}) [[ ${BRANCH_UPDATE-notset} == "notset" ]] && BRANCH_UPDATE=$(get_version_component_range 4 ${GCC_PV}) # According to gcc/c-cppbuiltin.c, GCC_CONFIG_VER MUST match this regex. # ([^0-9]*-)?[0-9]+[.][0-9]+([.][0-9]+)?([- ].*)? GCC_CONFIG_VER=${GCC_CONFIG_VER:-$(replace_version_separator 3 '-' ${GCC_PV})} # Pre-release support if [[ ${GCC_PV} != ${GCC_PV/_pre/-} ]] ; then PRERELEASE=${GCC_PV/_pre/-} fi # make _alpha and _beta ebuilds automatically use a snapshot if [[ ${GCC_PV} == *_alpha* ]] ; then SNAPSHOT=${GCC_BRANCH_VER}-${GCC_PV##*_alpha} elif [[ ${GCC_PV} == *_beta* ]] ; then SNAPSHOT=${GCC_BRANCH_VER}-${GCC_PV##*_beta} elif [[ ${GCC_PV} == *_rc* ]] ; then SNAPSHOT=${GCC_PV%_rc*}-RC-${GCC_PV##*_rc} fi export GCC_FILESDIR=${GCC_FILESDIR:-${FILESDIR}} if [[ ${ETYPE} == "gcc-library" ]] ; then GCC_VAR_TYPE=${GCC_VAR_TYPE:-non-versioned} GCC_LIB_COMPAT_ONLY=${GCC_LIB_COMPAT_ONLY:-true} GCC_TARGET_NO_MULTILIB=${GCC_TARGET_NO_MULTILIB:-true} else GCC_VAR_TYPE=${GCC_VAR_TYPE:-versioned} GCC_LIB_COMPAT_ONLY="false" GCC_TARGET_NO_MULTILIB=${GCC_TARGET_NO_MULTILIB:-false} fi PREFIX=${TOOLCHAIN_PREFIX:-/usr} if [[ ${GCC_VAR_TYPE} == "versioned" ]] ; then if tc_version_is_at_least 3.4.0 ; then LIBPATH=${TOOLCHAIN_LIBPATH:-${PREFIX}/lib/gcc/${CTARGET}/${GCC_CONFIG_VER}} else LIBPATH=${TOOLCHAIN_LIBPATH:-${PREFIX}/lib/gcc-lib/${CTARGET}/${GCC_CONFIG_VER}} fi INCLUDEPATH=${TOOLCHAIN_INCLUDEPATH:-${LIBPATH}/include} if is_crosscompile ; then BINPATH=${TOOLCHAIN_BINPATH:-${PREFIX}/${CHOST}/${CTARGET}/gcc-bin/${GCC_CONFIG_VER}} else BINPATH=${TOOLCHAIN_BINPATH:-${PREFIX}/${CTARGET}/gcc-bin/${GCC_CONFIG_VER}} fi DATAPATH=${TOOLCHAIN_DATAPATH:-${PREFIX}/share/gcc-data/${CTARGET}/${GCC_CONFIG_VER}} # Dont install in /usr/include/g++-v3/, but in gcc internal directory. # We will handle /usr/include/g++-v3/ with gcc-config ... STDCXX_INCDIR=${TOOLCHAIN_STDCXX_INCDIR:-${LIBPATH}/include/g++-v${GCC_BRANCH_VER/\.*/}} elif [[ ${GCC_VAR_TYPE} == "non-versioned" ]] ; then # using non-versioned directories to install gcc, like what is currently # done for ppc64 and 3.3.3_pre, is a BAD IDEA. DO NOT do it!! However... # setting up variables for non-versioned directories might be useful for # specific gcc targets, like libffi. Note that we dont override the value # returned by get_libdir here. LIBPATH=${TOOLCHAIN_LIBPATH:-${PREFIX}/$(get_libdir)} INCLUDEPATH=${TOOLCHAIN_INCLUDEPATH:-${PREFIX}/include} BINPATH=${TOOLCHAIN_BINPATH:-${PREFIX}/bin} DATAPATH=${TOOLCHAIN_DATAPATH:-${PREFIX}/share} STDCXX_INCDIR=${TOOLCHAIN_STDCXX_INCDIR:-${PREFIX}/include/g++-v3} fi #----<< globals >>---- #---->> SLOT+IUSE logic <<---- if [[ ${ETYPE} == "gcc-library" ]] ; then IUSE="nls build test" SLOT="${CTARGET}-${SO_VERSION_SLOT:-5}" else IUSE="multislot nptl test" if [[ ${PN} != "kgcc64" && ${PN} != gcc-* ]] ; then IUSE="${IUSE} altivec build fortran nls nocxx" [[ -n ${PIE_VER} ]] && IUSE="${IUSE} nopie" [[ -n ${PP_VER} ]] && IUSE="${IUSE} nossp" [[ -n ${SPECS_VER} ]] && IUSE="${IUSE} nossp" [[ -n ${HTB_VER} ]] && IUSE="${IUSE} boundschecking" [[ -n ${D_VER} ]] && IUSE="${IUSE} d" if tc_version_is_at_least 3 ; then IUSE="${IUSE} bootstrap doc gcj gtk hardened libffi multilib objc vanilla" # gcc-{nios2,bfin} don't accept these if [[ ${PN} == "gcc" ]] ; then IUSE="${IUSE} n32 n64" fi tc_version_is_at_least "4.0" && IUSE="${IUSE} objc-gc mudflap" tc_version_is_at_least "4.1" && IUSE="${IUSE} objc++" tc_version_is_at_least "4.2" && IUSE="${IUSE} openmp" tc_version_is_at_least "4.3" && IUSE="${IUSE} fixed-point" if tc_version_is_at_least "4.4" ; then IUSE="${IUSE} graphite" [[ -n ${SPECS_VER} ]] && IUSE="${IUSE} nossp" fi tc_version_is_at_least "4.5" && IUSE="${IUSE} lto" fi fi # Support upgrade paths here or people get pissed if use multislot ; then SLOT="${CTARGET}-${GCC_CONFIG_VER}" elif is_crosscompile; then SLOT="${CTARGET}-${GCC_BRANCH_VER}" else SLOT="${GCC_BRANCH_VER}" fi fi #----<< SLOT+IUSE logic >>---- #---->> S + SRC_URI essentials <<---- # This function sets the source directory depending on whether we're using # a prerelease, snapshot, or release tarball. To use it, just set S with: # # S="$(gcc_get_s_dir)" # # Travis Tilley (03 Sep 2004) # gcc_get_s_dir() { local GCC_S if [[ -n ${PRERELEASE} ]] ; then GCC_S=${WORKDIR}/gcc-${PRERELEASE} elif [[ -n ${SNAPSHOT} ]] ; then GCC_S=${WORKDIR}/gcc-${SNAPSHOT} else GCC_S=${WORKDIR}/gcc-${GCC_RELEASE_VER} fi echo "${GCC_S}" } # This function handles the basics of setting the SRC_URI for a gcc ebuild. # To use, set SRC_URI with: # # SRC_URI="$(get_gcc_src_uri)" # # Other than the variables normally set by portage, this function's behavior # can be altered by setting the following: # # SNAPSHOT # If set, this variable signals that we should be using a snapshot # of gcc from ftp://sources.redhat.com/pub/gcc/snapshots/. It is # expected to be in the format "YYYY-MM-DD". Note that if the ebuild # has a _pre suffix, this variable is ignored and the prerelease # tarball is used instead. # # BRANCH_UPDATE # If set, this variable signals that we should be using the main # release tarball (determined by ebuild version) and applying a # CVS branch update patch against it. The location of this branch # update patch is assumed to be in ${GENTOO_TOOLCHAIN_BASE_URI}. # Just like with SNAPSHOT, this variable is ignored if the ebuild # has a _pre suffix. # # PATCH_VER # PATCH_GCC_VER # This should be set to the version of the gentoo patch tarball. # The resulting filename of this tarball will be: # gcc-${PATCH_GCC_VER:-${GCC_RELEASE_VER}}-patches-${PATCH_VER}.tar.bz2 # # PIE_VER # PIE_GCC_VER # obsoleted: PIE_CORE # These variables control patching in various updates for the logic # controlling Position Independant Executables. PIE_VER is expected # to be the version of this patch, PIE_GCC_VER the gcc version of # the patch, and PIE_CORE (obsoleted) the actual filename 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${PIE_VER}.tar.bz2 # old syntax (do not define PIE_CORE anymore): # PIE_CORE="gcc-3.4.0-piepatches-v${PIE_VER}.tar.bz2" # # SPECS_VER # SPECS_GCC_VER # This is for the minispecs files included in the hardened gcc-4.x # The specs files for hardenedno*, vanilla and for building the "specs" file. # SPECS_VER is expected to be the version of this patch, SPECS_GCC_VER # the gcc version of the patch. # An example: # SPECS_VER="8.7.6.5" # SPECS_GCC_VER="3.4.0" # The resulting filename of this tarball will be: # gcc-${SPECS_GCC_VER:-${GCC_RELEASE_VER}}-specs-${SPECS_VER}.tar.bz2 # # PP_VER # PP_GCC_VER # obsoleted: PP_FVER # These variables control patching in stack smashing protection # support. They both control the version of ProPolice to download. # # PP_VER / PP_GCC_VER # Used to roll our own custom tarballs of ssp. # PP_FVER / PP_VER # Used for mirroring ssp straight from IBM. # PP_VER sets the version of the directory in which to find the # patch, and PP_FVER sets the version of the patch itself. For # example: # PP_VER="3_4" # PP_FVER="${PP_VER//_/.}-2" # would download gcc3_4/protector-3.4-2.tar.gz # # HTB_VER # HTB_GCC_VER # These variables control whether or not an ebuild supports Herman # ten Brugge's bounds-checking patches. If you want to use a patch # for an older gcc version with a new gcc, make sure you set # HTB_GCC_VER to that version of gcc. # # MAN_VER # The version of gcc for which we will download manpages. This will # default to ${GCC_RELEASE_VER}, but we may not want to pre-generate man pages # for prerelease test ebuilds for example. This allows you to # continue using pre-generated manpages from the last stable release. # If set to "none", this will prevent the downloading of manpages, # which is useful for individual library targets. # gentoo_urls() { local devspace="HTTP~lv/GCC/URI HTTP~eradicator/gcc/URI HTTP~vapier/dist/URI HTTP~halcy0n/patches/URI HTTP~zorry/patches/gcc/URI HTTP~dirtyepic/dist/URI" devspace=${devspace//HTTP/http:\/\/dev.gentoo.org\/} echo mirror://gentoo/$1 ${devspace//URI/$1} } get_gcc_src_uri() { export PATCH_GCC_VER=${PATCH_GCC_VER:-${GCC_RELEASE_VER}} export UCLIBC_GCC_VER=${UCLIBC_GCC_VER:-${PATCH_GCC_VER}} export PIE_GCC_VER=${PIE_GCC_VER:-${GCC_RELEASE_VER}} export PP_GCC_VER=${PP_GCC_VER:-${GCC_RELEASE_VER}} export HTB_GCC_VER=${HTB_GCC_VER:-${GCC_RELEASE_VER}} export SPECS_GCC_VER=${SPECS_GCC_VER:-${GCC_RELEASE_VER}} # Set where to download gcc itself depending on whether we're using a # prerelease, snapshot, or release tarball. if [[ -n ${PRERELEASE} ]] ; then GCC_SRC_URI="ftp://gcc.gnu.org/pub/gcc/prerelease-${PRERELEASE}/gcc-${PRERELEASE}.tar.bz2" elif [[ -n ${SNAPSHOT} ]] ; then GCC_SRC_URI="ftp://sources.redhat.com/pub/gcc/snapshots/${SNAPSHOT}/gcc-${SNAPSHOT}.tar.bz2" else GCC_SRC_URI="mirror://gnu/gcc/gcc-${GCC_PV}/gcc-${GCC_RELEASE_VER}.tar.bz2" # we want all branch updates to be against the main release [[ -n ${BRANCH_UPDATE} ]] && \ GCC_SRC_URI="${GCC_SRC_URI} $(gentoo_urls gcc-${GCC_RELEASE_VER}-branch-update-${BRANCH_UPDATE}.patch.bz2)" fi # propolice aka stack smashing protection if [[ -n ${PP_VER} ]] ; then if [[ -n ${PP_FVER} ]] ; then GCC_SRC_URI="${GCC_SRC_URI} !nossp? ( http://www.research.ibm.com/trl/projects/security/ssp/gcc${PP_VER}/protector-${PP_FVER}.tar.gz $(gentoo_urls protector-${PP_FVER}.tar.gz) )" else GCC_SRC_URI="${GCC_SRC_URI} $(gentoo_urls gcc-${PP_GCC_VER}-ssp-${PP_VER}.tar.bz2)" fi fi # uclibc lovin [[ -n ${UCLIBC_VER} ]] && \ GCC_SRC_URI="${GCC_SRC_URI} $(gentoo_urls gcc-${UCLIBC_GCC_VER}-uclibc-patches-${UCLIBC_VER}.tar.bz2)" # PERL cannot be present at bootstrap, and is used to build the man pages. # So... lets include some pre-generated ones, shall we? [[ -n ${MAN_VER} ]] && \ GCC_SRC_URI="${GCC_SRC_URI} $(gentoo_urls gcc-${MAN_VER}-manpages.tar.bz2)" # various gentoo patches [[ -n ${PATCH_VER} ]] && \ GCC_SRC_URI="${GCC_SRC_URI} $(gentoo_urls gcc-${PATCH_GCC_VER}-patches-${PATCH_VER}.tar.bz2)" # strawberry pie, Cappuccino and a Gauloises (it's a good thing) [[ -n ${PIE_VER} ]] && \ PIE_CORE=${PIE_CORE:-gcc-${PIE_GCC_VER}-piepatches-v${PIE_VER}.tar.bz2} && \ GCC_SRC_URI="${GCC_SRC_URI} $(gentoo_urls ${PIE_CORE})" # gcc minispec for the hardened gcc 4 compiler [[ -n ${SPECS_VER} ]] && \ GCC_SRC_URI="${GCC_SRC_URI} $(gentoo_urls gcc-${SPECS_GCC_VER}-specs-${SPECS_VER}.tar.bz2)" # gcc bounds checking patch if [[ -n ${HTB_VER} ]] ; then local HTBFILE="bounds-checking-gcc-${HTB_GCC_VER}-${HTB_VER}.patch.bz2" GCC_SRC_URI="${GCC_SRC_URI} boundschecking? ( mirror://sourceforge/boundschecking/${HTBFILE} $(gentoo_urls ${HTBFILE}) )" fi # support for the D language [[ -n ${D_VER} ]] && \ GCC_SRC_URI="${GCC_SRC_URI} d? ( mirror://sourceforge/dgcc/gdc-${D_VER}-src.tar.bz2 )" # >= gcc-4.3 uses ecj.jar and we only add gcj as a use flag under certain # conditions if [[ ${PN} != "kgcc64" && ${PN} != gcc-* ]] ; then if tc_version_is_at_least "4.5" ; then GCC_SRC_URI="${GCC_SRC_URI} gcj? ( ftp://sourceware.org/pub/java/ecj-4.5.jar )" elif tc_version_is_at_least "4.3" ; then GCC_SRC_URI="${GCC_SRC_URI} gcj? ( ftp://sourceware.org/pub/java/ecj-4.3.jar )" fi fi echo "${GCC_SRC_URI}" } S=$(gcc_get_s_dir) SRC_URI=$(get_gcc_src_uri) #---->> S + SRC_URI essentials >>---- #---->> support checks <<---- # Grab a variable from the build system (taken from linux-info.eclass) get_make_var() { local var=$1 makefile=${2:-${WORKDIR}/build/Makefile} echo -e "e:\\n\\t@echo \$(${var})\\ninclude ${makefile}" | \ r=${makefile%/*} emake --no-print-directory -s -f - 2>/dev/null } XGCC() { get_make_var GCC_FOR_TARGET ; } # The gentoo piessp patches allow for 3 configurations: # 1) PIE+SSP by default # 2) PIE by default # 3) SSP by default hardened_gcc_works() { if [[ $1 == "pie" ]] ; then # $gcc_cv_ld_pie is unreliable as it simply take the output of # `ld --help | grep -- -pie`, that reports the option in all cases, also if # the loader doesn't actually load the resulting executables. # To avoid breakage, blacklist FreeBSD here at least [[ ${CTARGET} == *-freebsd* ]] && return 1 want_pie || return 1 tc_version_is_at_least 4.3.2 && use nopie && return 1 hardened_gcc_is_stable pie && return 0 if has "~$(tc-arch)" ${ACCEPT_KEYWORDS} ; then hardened_gcc_check_unsupported pie && return 1 ewarn "Allowing pie-by-default for an unstable arch ($(tc-arch))" return 0 fi return 1 elif [[ $1 == "ssp" ]] ; then [[ -n ${PP_VER} ]] || [[ -n ${SPECS_VER} ]] || return 1 tc_version_is_at_least 4.3.2 && use nossp && return 1 hardened_gcc_is_stable ssp && return 0 if has "~$(tc-arch)" ${ACCEPT_KEYWORDS} ; then hardened_gcc_check_unsupported ssp && return 1 ewarn "Allowing ssp-by-default for an unstable arch ($(tc-arch))" return 0 fi return 1 else # laziness ;) hardened_gcc_works pie || return 1 hardened_gcc_works ssp || return 1 return 0 fi } hardened_gcc_is_stable() { if [[ $1 == "pie" ]] ; then # HARDENED_* variables are deprecated and here for compatibility local tocheck="${HARDENED_PIE_WORKS} ${HARDENED_GCC_WORKS}" if [[ ${CTARGET} == *-uclibc* ]] ; then tocheck="${tocheck} ${PIE_UCLIBC_STABLE}" else tocheck="${tocheck} ${PIE_GLIBC_STABLE}" fi elif [[ $1 == "ssp" ]] ; then # ditto local tocheck="${HARDENED_SSP_WORKS} ${HARDENED_GCC_WORKS}" if [[ ${CTARGET} == *-uclibc* ]] ; then tocheck="${tocheck} ${SSP_UCLIBC_STABLE}" else tocheck="${tocheck} ${SSP_STABLE}" fi else die "hardened_gcc_stable needs to be called with pie or ssp" fi hasq $(tc-arch) ${tocheck} && return 0 return 1 } hardened_gcc_check_unsupported() { local tocheck="" # if a variable is unset, we assume that all archs are unsupported. since # this function is never called if hardened_gcc_is_stable returns true, # this shouldn't cause problems... however, allowing this logic to work # even with the variables unset will break older ebuilds that dont use them. if [[ $1 == "pie" ]] ; then if [[ ${CTARGET} == *-uclibc* ]] ; then [[ -z ${PIE_UCLIBC_UNSUPPORTED} ]] && return 0 tocheck="${tocheck} ${PIE_UCLIBC_UNSUPPORTED}" else [[ -z ${PIE_GLIBC_UNSUPPORTED} ]] && return 0 tocheck="${tocheck} ${PIE_GLIBC_UNSUPPORTED}" fi elif [[ $1 == "ssp" ]] ; then if [[ ${CTARGET} == *-uclibc* ]] ; then [[ -z ${SSP_UCLIBC_UNSUPPORTED} ]] && return 0 tocheck="${tocheck} ${SSP_UCLIBC_UNSUPPORTED}" else [[ -z ${SSP_UNSUPPORTED} ]] && return 0 tocheck="${tocheck} ${SSP_UNSUPPORTED}" fi else die "hardened_gcc_check_unsupported needs to be called with pie or ssp" fi hasq $(tc-arch) ${tocheck} && return 0 return 1 } has_libssp() { [[ -e /$(get_libdir)/libssp.so ]] && return 0 return 1 } want_libssp() { [[ ${GCC_LIBSSP_SUPPORT} == "true" ]] || return 1 has_libssp || return 1 [[ -n ${PP_VER} ]] || return 1 return 0 } _want_stuff() { local var=$1 flag=$2 [[ -z ${!var} ]] && return 1 use ${flag} && return 0 return 1 } want_boundschecking() { _want_stuff HTB_VER boundschecking ; } want_pie() { ! use hardened && [[ -n ${PIE_VER} ]] && use nopie && return 1 [[ -n ${PIE_VER} ]] && [[ -n ${SPECS_VER} ]] && return 0 tc_version_is_at_least 4.3.2 && return 1 _want_stuff PIE_VER !nopie } want_ssp() { _want_stuff PP_VER !nossp ; } # SPLIT_SPECS are deprecated for >=GCC 4.4 want_split_specs() { tc_version_is_at_least 4.4 && return 1 [[ ${SPLIT_SPECS} == "true" ]] && want_pie } want_minispecs() { if tc_version_is_at_least 4.3.2 && use hardened ; then if ! want_pie ; then ewarn "PIE_VER or SPECS_VER is not defiend in the GCC ebuild." elif use vanilla ; then ewarn "You will not get hardened features if you have the vanilla USE-flag." elif use nopie && use nossp ; then ewarn "You will not get hardened features if you have the nopie and nossp USE-flag." elif ! hardened_gcc_works pie && ! hardened_gcc_works ssp && ! use nopie ; then ewarn "Your $(tc-arch) arch is not supported." else return 0 fi ewarn "Hope you know what you are doing. Hardened will not work." return 0 fi return 1 } # This function checks whether or not glibc has the support required to build # Position Independant Executables with gcc. glibc_have_pie() { if [[ ! -f ${ROOT}/usr/$(get_libdir)/Scrt1.o ]] ; then echo ewarn "Your glibc does not have support for pie, the file Scrt1.o is missing" ewarn "Please update your glibc to a proper version or disable hardened" echo return 1 fi } # This function determines whether or not libc has been patched with stack # smashing protection support. libc_has_ssp() { [[ ${ROOT} != "/" ]] && return 0 # lib hacks taken from sandbox configure echo 'int main(){}' > "${T}"/libctest.c LC_ALL=C gcc "${T}"/libctest.c -lc -o libctest -Wl,-verbose &> "${T}"/libctest.log || return 1 local libc_file=$(awk '/attempt to open/ { if (($4 ~ /\/libc\.so/) && ($5 == "succeeded")) LIBC = $4; }; END {print LIBC}' "${T}"/libctest.log) [[ -z ${libc_file} ]] && die "Unable to find a libc !?" # Check for gcc-4.x style ssp support if [[ -n $(readelf -s "${libc_file}" 2>/dev/null | \ grep 'FUNC.*GLOBAL.*__stack_chk_fail') ]] then return 0 else # Check for gcc-3.x style ssp support if [[ -n $(readelf -s "${libc_file}" 2>/dev/null | \ grep 'OBJECT.*GLOBAL.*__guard') ]] && \ [[ -n $(readelf -s "${libc_file}" 2>/dev/null | \ grep 'FUNC.*GLOBAL.*__stack_smash_handler') ]] then return 0 elif is_crosscompile ; then die "'${libc_file}' was detected w/out ssp, that sucks (a lot)" else return 1 fi fi } # This is to make sure we don't accidentally try to enable support for a # language that doesnt exist. GCC 3.4 supports f77, while 4.0 supports f95, etc. # # Also add a hook so special ebuilds (kgcc64) can control which languages # exactly get enabled gcc-lang-supported() { grep ^language=\"${1}\" "${S}"/gcc/*/config-lang.in > /dev/null || return 1 [[ -z ${TOOLCHAIN_ALLOWED_LANGS} ]] && return 0 has $1 ${TOOLCHAIN_ALLOWED_LANGS} } #----<< support checks >>---- #---->> specs + env.d logic <<---- # defaults to enable for all hardened toolchains gcc_common_hard="-DEFAULT_RELRO -DEFAULT_BIND_NOW" # configure to build with the hardened GCC specs as the default make_gcc_hard() { if hardened_gcc_works ; then einfo "Updating gcc to use automatic PIE + SSP building ..." sed -e "s|^HARD_CFLAGS = |HARD_CFLAGS = -DEFAULT_PIE_SSP ${gcc_common_hard} |" \ -i "${S}"/gcc/Makefile.in || die "Failed to update gcc!" elif hardened_gcc_works pie ; then einfo "Updating gcc to use automatic PIE building ..." ewarn "SSP has not been enabled by default" sed -e "s|^HARD_CFLAGS = |HARD_CFLAGS = -DEFAULT_PIE ${gcc_common_hard} |" \ -i "${S}"/gcc/Makefile.in || die "Failed to update gcc!" elif hardened_gcc_works ssp ; then einfo "Updating gcc to use automatic SSP building ..." ewarn "PIE has not been enabled by default" sed -e "s|^HARD_CFLAGS = |HARD_CFLAGS = -DEFAULT_SSP ${gcc_common_hard} |" \ -i "${S}"/gcc/Makefile.in || die "Failed to update gcc!" else # do nothing if hardened isnt supported, but dont die either ewarn "hardened is not supported for this arch in this gcc version" ebeep return 0 fi # rebrand to make bug reports easier BRANDING_GCC_PKGVERSION=${BRANDING_GCC_PKGVERSION/Gentoo/Gentoo Hardened} } # now we generate different spec files so that the user can select a compiler # that enforces certain features in gcc itself and so we don't have to worry # about a certain package ignoring CFLAGS/LDFLAGS _create_specs_file() { # Usage: _create_specs_file local uflag=$1 name=$2 flags=${*:3} ebegin "Creating a ${name} gcc specs file" pushd "${WORKDIR}"/build/gcc > /dev/null if [[ -z ${uflag} ]] || use ${uflag} ; then # backup the compiler first cp Makefile Makefile.orig sed -i -e '/^HARD_CFLAGS/s:=.*:='"${flags}"':' Makefile mv xgcc xgcc.foo mv gcc.o gcc.o.foo emake -s xgcc $(XGCC) -dumpspecs > "${WORKDIR}"/build/${name}.specs # restore everything to normal mv gcc.o.foo gcc.o mv xgcc.foo xgcc mv Makefile.orig Makefile else $(XGCC) -dumpspecs > "${WORKDIR}"/build/${name}.specs fi popd > /dev/null eend $([[ -s ${WORKDIR}/build/${name}.specs ]] ; echo $?) } create_vanilla_specs_file() { _create_specs_file hardened vanilla ; } create_hardened_specs_file() { _create_specs_file !hardened hardened ${gcc_common_hard} -DEFAULT_PIE_SSP ; } create_hardenednossp_specs_file() { _create_specs_file "" hardenednossp ${gcc_common_hard} -DEFAULT_PIE ; } create_hardenednopie_specs_file() { _create_specs_file "" hardenednopie ${gcc_common_hard} -DEFAULT_SSP ; } create_hardenednopiessp_specs_file() { _create_specs_file "" hardenednopiessp ${gcc_common_hard} ; } split_out_specs_files() { local s spec_list="hardenednopiessp vanilla" if hardened_gcc_works ; then spec_list="${spec_list} hardened hardenednossp hardenednopie" elif hardened_gcc_works pie ; then spec_list="${spec_list} hardenednossp" elif hardened_gcc_works ssp ; then spec_list="${spec_list} hardenednopie" fi for s in ${spec_list} ; do create_${s}_specs_file || return 1 done } create_gcc_env_entry() { dodir /etc/env.d/gcc local gcc_envd_base="/etc/env.d/gcc/${CTARGET}-${GCC_CONFIG_VER}" if [[ -z $1 ]] ; then gcc_envd_file="${D}${gcc_envd_base}" # I'm leaving the following commented out to remind me that it # was an insanely -bad- idea. Stuff broke. GCC_SPECS isnt unset # on chroot or in non-toolchain.eclass gcc ebuilds! #gcc_specs_file="${LIBPATH}/specs" gcc_specs_file="" else gcc_envd_file="${D}${gcc_envd_base}-$1" gcc_specs_file="${LIBPATH}/$1.specs" fi # phase PATH/ROOTPATH out ... echo "PATH=\"${BINPATH}\"" > ${gcc_envd_file} echo "ROOTPATH=\"${BINPATH}\"" >> ${gcc_envd_file} echo "GCC_PATH=\"${BINPATH}\"" >> ${gcc_envd_file} if use multilib && ! has_multilib_profile; then LDPATH="${LIBPATH}" for path in 32 64 ; do [[ -d ${LIBPATH}/${path} ]] && LDPATH="${LDPATH}:${LIBPATH}/${path}" done else local MULTIDIR LDPATH="${LIBPATH}" # We want to list the default ABI's LIBPATH first so libtool # searches that directory first. This is a temporary # workaround for libtool being stupid and using .la's from # conflicting ABIs by using the first one in the search path local abi=${DEFAULT_ABI} local MULTIDIR=$($(XGCC) $(get_abi_CFLAGS ${abi}) --print-multi-directory) if [[ ${MULTIDIR} == "." ]] ; then LDPATH=${LIBPATH} else LDPATH=${LIBPATH}/${MULTIDIR} fi for abi in $(get_all_abis) ; do [[ ${abi} == ${DEFAULT_ABI} ]] && continue MULTIDIR=$($(XGCC) $(get_abi_CFLAGS ${abi}) --print-multi-directory) if [[ ${MULTIDIR} == "." ]] ; then LDPATH=${LDPATH}:${LIBPATH} else LDPATH=${LDPATH}:${LIBPATH}/${MULTIDIR} fi done fi echo "LDPATH=\"${LDPATH}\"" >> ${gcc_envd_file} echo "MANPATH=\"${DATAPATH}/man\"" >> ${gcc_envd_file} echo "INFOPATH=\"${DATAPATH}/info\"" >> ${gcc_envd_file} echo "STDCXX_INCDIR=\"${STDCXX_INCDIR##*/}\"" >> ${gcc_envd_file} is_crosscompile && echo "CTARGET=${CTARGET}" >> ${gcc_envd_file} # Set which specs file to use [[ -n ${gcc_specs_file} ]] && echo "GCC_SPECS=\"${gcc_specs_file}\"" >> ${gcc_envd_file} } setup_minispecs_gcc_build_specs() { # Setup the "build.specs" file for gcc 4.3 to use when building. if hardened_gcc_works pie ; then cat "${WORKDIR}"/specs/pie.specs >> "${WORKDIR}"/build.specs fi if hardened_gcc_works ssp ; then for s in ssp sspall ; do cat "${WORKDIR}"/specs/${s}.specs >> "${WORKDIR}"/build.specs done fi for s in nostrict znow ; do cat "${WORKDIR}"/specs/${s}.specs >> "${WORKDIR}"/build.specs done export GCC_SPECS="${WORKDIR}"/build.specs } copy_minispecs_gcc_specs() { # setup the hardenedno* specs files and the vanilla specs file. if hardened_gcc_works ; then create_gcc_env_entry hardenednopiessp fi if hardened_gcc_works pie ; then create_gcc_env_entry hardenednopie fi if hardened_gcc_works ssp ; then create_gcc_env_entry hardenednossp fi create_gcc_env_entry vanilla insinto ${LIBPATH} doins "${WORKDIR}"/specs/*.specs || die "failed to install specs" # Build system specs file which, if it exists, must be a complete set of # specs as it completely and unconditionally overrides the builtin specs. # For gcc 4.3 if ! tc_version_is_at_least 4.4 ; then $(XGCC) -dumpspecs > "${WORKDIR}"/specs/specs cat "${WORKDIR}"/build.specs >> "${WORKDIR}"/specs/specs doins "${WORKDIR}"/specs/specs || die "failed to install the specs file" fi } #----<< specs + env.d logic >>---- #---->> pkg_* <<---- gcc_pkg_setup() { [[ -z ${ETYPE} ]] && die "Your ebuild needs to set the ETYPE variable" if [[ ( $(tc-arch) == "amd64" || $(tc-arch) == "ppc64" ) && ( ${LD_PRELOAD} == "/lib/libsandbox.so" || ${LD_PRELOAD} == "/usr/lib/libsandbox.so" ) ]] && is_multilib ; then eerror "Sandbox in your installed portage does not support compilation." eerror "of a multilib gcc. Please set FEATURES=-sandbox and try again." eerror "After you have a multilib gcc, re-emerge portage to have a working sandbox." die "No 32bit sandbox. Retry with FEATURES=-sandbox." fi if [[ ${ETYPE} == "gcc-compiler" ]] ; then case $(tc-arch) in mips) # Must compile for mips64-linux target if we want n32/n64 support case "${CTARGET}" in mips64*) ;; *) if use n32 || use n64; then eerror "n32/n64 can only be used when target host is mips64*-*-linux-*"; die "Invalid USE flags for CTARGET ($CTARGET)"; fi ;; esac #cannot have both n32 & n64 without multilib if use n32 && use n64 && ! is_multilib; then eerror "Please enable multilib if you want to use both n32 & n64"; die "Invalid USE flag combination"; fi ;; esac # Setup variables which would normally be in the profile if is_crosscompile ; then multilib_env ${CTARGET} if ! use multilib ; then MULTILIB_ABIS=${DEFAULT_ABI} fi fi # we dont want to use the installed compiler's specs to build gcc! unset GCC_SPECS fi want_libssp && libc_has_ssp && \ die "libssp cannot be used with a glibc that has been patched to provide ssp symbols" want_minispecs unset LANGUAGES #265283 } gcc-compiler_pkg_preinst() { : } gcc-compiler_pkg_postinst() { do_gcc_config if ! is_crosscompile ; then echo ewarn "If you have issues with packages unable to locate libstdc++.la," ewarn "then try running 'fix_libtool_files.sh' on the old gcc versions." 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" echo fi # If our gcc-config version doesn't like '-' in it's version string, # tell our users that gcc-config will yell at them, but it's all good. if ! has_version '>=sys-devel/gcc-config-1.3.10-r1' && [[ ${GCC_CONFIG_VER/-/} != ${GCC_CONFIG_VER} ]] ; then ewarn "Your version of gcc-config will issue about having an invalid profile" ewarn "when switching to this profile. It is safe to ignore this warning," ewarn "and this problem has been corrected in >=sys-devel/gcc-config-1.3.10-r1." fi if ! is_crosscompile && ! use multislot && [[ ${GCCMAJOR}.${GCCMINOR} == 3.4 ]] ; then echo ewarn "You should make sure to rebuild all your C++ packages when" ewarn "upgrading between different versions of gcc. For example," ewarn "when moving to gcc-3.4 from gcc-3.3, emerge gentoolkit and run:" ewarn " # revdep-rebuild --library libstdc++.so.5" echo fi if ! is_crosscompile ; then # hack to prevent collisions between SLOT [[ ! -d ${ROOT}/lib/rcscripts/awk ]] \ && mkdir -p "${ROOT}"/lib/rcscripts/awk [[ ! -d ${ROOT}/sbin ]] \ && mkdir -p "${ROOT}"/sbin cp "${ROOT}/${DATAPATH}"/fixlafiles.awk "${ROOT}"/lib/rcscripts/awk/ || die "installing fixlafiles.awk" cp "${ROOT}/${DATAPATH}"/fix_libtool_files.sh "${ROOT}"/sbin/ || die "installing fix_libtool_files.sh" [[ ! -d ${ROOT}/usr/bin ]] \ && mkdir -p "${ROOT}"/usr/bin # Since these aren't critical files and portage sucks with # handling of binpkgs, don't require these to be found for x in "${ROOT}/${DATAPATH}"/c{89,99} ; do if [[ -e ${x} ]]; then cp ${x} "${ROOT}"/usr/bin/ || die "installing c89/c99" fi done fi } gcc-compiler_pkg_prerm() { # Don't let these files be uninstalled #87647 touch -c "${ROOT}"/sbin/fix_libtool_files.sh \ "${ROOT}"/lib/rcscripts/awk/fixlafiles.awk } gcc-compiler_pkg_postrm() { # to make our lives easier (and saner), we do the fix_libtool stuff here. # rather than checking SLOT's and trying in upgrade paths, we just see if # the common libstdc++.la exists in the ${LIBPATH} of the gcc that we are # unmerging. if it does, that means this was a simple re-emerge. # clean up the cruft left behind by cross-compilers if is_crosscompile ; then if [[ -z $(ls "${ROOT}"/etc/env.d/gcc/${CTARGET}* 2>/dev/null) ]] ; then rm -f "${ROOT}"/etc/env.d/gcc/config-${CTARGET} rm -f "${ROOT}"/etc/env.d/??gcc-${CTARGET} rm -f "${ROOT}"/usr/bin/${CTARGET}-{gcc,{g,c}++}{,32,64} fi return 0 fi # ROOT isnt handled by the script [[ ${ROOT} != "/" ]] && return 0 if [[ ! -e ${LIBPATH}/libstdc++.so ]] ; then # make sure the profile is sane during same-slot upgrade #289403 do_gcc_config einfo "Running 'fix_libtool_files.sh ${GCC_RELEASE_VER}'" /sbin/fix_libtool_files.sh ${GCC_RELEASE_VER} if [[ -n ${BRANCH_UPDATE} ]] ; then einfo "Running 'fix_libtool_files.sh ${GCC_RELEASE_VER}-${BRANCH_UPDATE}'" /sbin/fix_libtool_files.sh ${GCC_RELEASE_VER}-${BRANCH_UPDATE} fi fi return 0 } #---->> pkg_* <<---- #---->> src_* <<---- # generic GCC src_unpack, to be called from the ebuild's src_unpack. # BIG NOTE regarding hardened support: ebuilds with support for hardened are # expected to export the following variable: # # HARDENED_GCC_WORKS # This variable should be set to the archs on which hardened should # be allowed. For example: HARDENED_GCC_WORKS="x86 sparc amd64" # This allows for additional archs to be supported by hardened when # ready. # # Travis Tilley (03 Sep 2004) # gcc-compiler_src_unpack() { # fail if using pie patches, building hardened, and glibc doesnt have # the necessary support want_pie && use hardened && glibc_have_pie if use hardened ; then einfo "updating configuration to build hardened GCC" make_gcc_hard || die "failed to make gcc hard" fi if is_libffi ; then # move the libffi target out of gcj and into all sed -i \ -e '/^libgcj=/s:target-libffi::' \ -e '/^target_lib/s:=":="target-libffi :' \ "${S}"/configure || die fi } gcc-library_src_unpack() { : } guess_patch_type_in_dir() { [[ -n $(ls "$1"/*.bz2 2>/dev/null) ]] \ && EPATCH_SUFFIX="patch.bz2" \ || EPATCH_SUFFIX="patch" } do_gcc_rename_java_bins() { # bug #139918 - conflict between gcc and java-config-2 for ownership of # /usr/bin/rmi{c,registry}. Done with mv & sed rather than a patch # because patches would be large (thanks to the rename of man files), # and it's clear from the sed invocations that all that changes is the # rmi{c,registry} names to grmi{c,registry} names. # Kevin F. Quinn 2006-07-12 einfo "Renaming jdk executables rmic and rmiregistry to grmic and grmiregistry." # 1) Move the man files if present (missing prior to gcc-3.4) for manfile in rmic rmiregistry; do [[ -f ${S}/gcc/doc/${manfile}.1 ]] || continue mv "${S}"/gcc/doc/${manfile}.1 "${S}"/gcc/doc/g${manfile}.1 done # 2) Fixup references in the docs if present (mission prior to gcc-3.4) for jfile in gcc/doc/gcj.info gcc/doc/grmic.1 gcc/doc/grmiregistry.1 gcc/java/gcj.texi; do [[ -f ${S}/${jfile} ]] || continue sed -i -e 's:rmiregistry:grmiregistry:g' "${S}"/${jfile} || die "Failed to fixup file ${jfile} for rename to grmiregistry" sed -i -e 's:rmic:grmic:g' "${S}"/${jfile} || die "Failed to fixup file ${jfile} for rename to grmic" done # 3) Fixup Makefiles to build the changed executable names # These are present in all 3.x versions, and are the important bit # to get gcc to build with the new names. for jfile in libjava/Makefile.am libjava/Makefile.in gcc/java/Make-lang.in; do sed -i -e 's:rmiregistry:grmiregistry:g' "${S}"/${jfile} || die "Failed to fixup file ${jfile} for rename to grmiregistry" # Careful with rmic on these files; it's also the name of a directory # which should be left unchanged. Replace occurrences of 'rmic$', # 'rmic_' and 'rmic '. sed -i -e 's:rmic\([$_ ]\):grmic\1:g' "${S}"/${jfile} || die "Failed to fixup file ${jfile} for rename to grmic" done } gcc_src_unpack() { export BRANDING_GCC_PKGVERSION="Gentoo ${GCC_PVR}" [[ -z ${UCLIBC_VER} ]] && [[ ${CTARGET} == *-uclibc* ]] && die "Sorry, this version does not support uClibc" gcc_quick_unpack exclude_gcc_patches cd "${S}" if ! use vanilla ; then if [[ -n ${PATCH_VER} ]] ; then guess_patch_type_in_dir "${WORKDIR}"/patch EPATCH_MULTI_MSG="Applying Gentoo patches ..." \ epatch "${WORKDIR}"/patch BRANDING_GCC_PKGVERSION="${BRANDING_GCC_PKGVERSION} p${PATCH_VER}" fi if [[ -n ${UCLIBC_VER} ]] ; then guess_patch_type_in_dir "${WORKDIR}"/uclibc EPATCH_MULTI_MSG="Applying uClibc patches ..." \ epatch "${WORKDIR}"/uclibc fi fi do_gcc_HTB_patches do_gcc_SSP_patches do_gcc_PIE_patches epatch_user ${ETYPE}_src_unpack || die "failed to ${ETYPE}_src_unpack" # protoize don't build on FreeBSD, skip it ## removed in 4.5, bug #270558 --de. if [[ ${GCCMAJOR}.${GCCMINOR} < 4.5 ]]; then if ! is_crosscompile && ! use elibc_FreeBSD ; then # enable protoize / unprotoize sed -i -e '/^LANGUAGES =/s:$: proto:' "${S}"/gcc/Makefile.in fi fi fix_files="" for x in contrib/test_summary libstdc++-v3/scripts/check_survey.in ; do [[ -e ${x} ]] && fix_files="${fix_files} ${x}" done ht_fix_file ${fix_files} */configure *.sh */Makefile.in if ! is_crosscompile && is_multilib && \ [[ ( $(tc-arch) == "amd64" || $(tc-arch) == "ppc64" ) && -z ${SKIP_MULTILIB_HACK} ]] ; then disgusting_gcc_multilib_HACK || die "multilib hack failed" fi gcc_version_patch if [[ ${GCCMAJOR}.${GCCMINOR} > 4.0 ]] ; then if [[ -n ${SNAPSHOT} || -n ${PRERELEASE} ]] ; then echo ${PV/_/-} > "${S}"/gcc/BASE-VER fi fi # >= gcc-4.3 doesn't bundle ecj.jar, so copy it if [[ ${GCCMAJOR}.${GCCMINOR} > 4.2 ]] && use gcj ; then if tc_version_is_at_least "4.5" ; then einfo "Copying ecj-4.5.jar" cp -pPR "${DISTDIR}/ecj-4.5.jar" "${S}/ecj.jar" || die elif tc_version_is_at_least "4.3" ; then einfo "Copying ecj-4.3.jar" cp -pPR "${DISTDIR}/ecj-4.3.jar" "${S}/ecj.jar" || die fi fi # disable --as-needed from being compiled into gcc specs # natively when using a gcc version < 3.4.4 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14992 if ! tc_version_is_at_least 3.4.4 ; then sed -i -e s/HAVE_LD_AS_NEEDED/USE_LD_AS_NEEDED/g "${S}"/gcc/config.in fi # In gcc 3.3.x and 3.4.x, rename the java bins to gcc-specific names # in line with gcc-4. if [[ ${GCCMAJOR} == 3 ]] && [[ ${GCCMINOR} -ge 3 ]] then do_gcc_rename_java_bins fi # Fixup libtool to correctly generate .la files with portage cd "${S}" elibtoolize --portage --shallow --no-uclibc gnuconfig_update # update configure files local f einfo "Fixing misc issues in configure files" tc_version_is_at_least 4.1 && epatch "${GCC_FILESDIR}"/gcc-configure-texinfo.patch for f in $(grep -l 'autoconf version 2.13' $(find "${S}" -name configure)) ; do ebegin " Updating ${f/${S}\/} [LANG]" patch "${f}" "${GCC_FILESDIR}"/gcc-configure-LANG.patch >& "${T}"/configure-patch.log \ || eerror "Please file a bug about this" eend $? done sed -i 's|A-Za-z0-9|[:alnum:]|g' "${S}"/gcc/*.awk #215828 if [[ -x contrib/gcc_update ]] ; then einfo "Touching generated files" ./contrib/gcc_update --touch | \ while read f ; do einfo " ${f%%...}" done fi disable_multilib_libjava || die "failed to disable multilib java" } gcc-library-configure() { # multilib support [[ ${GCC_TARGET_NO_MULTILIB} == "true" ]] \ && confgcc="${confgcc} --disable-multilib" \ || confgcc="${confgcc} --enable-multilib" } gcc-compiler-configure() { # multilib support if is_multilib ; then confgcc="${confgcc} --enable-multilib" elif [[ ${CTARGET} == *-linux* ]] ; then confgcc="${confgcc} --disable-multilib" fi if tc_version_is_at_least "4.0" ; then if has mudflap ${IUSE} ; then confgcc="${confgcc} $(use_enable mudflap libmudflap)" else confgcc="${confgcc} --disable-libmudflap" fi if want_libssp ; then confgcc="${confgcc} --enable-libssp" else export gcc_cv_libc_provides_ssp=yes confgcc="${confgcc} --disable-libssp" fi # If we want hardened support with the newer piepatchset for >=gcc 4.4 if tc_version_is_at_least 4.4 && want_minispecs ; then confgcc="${confgcc} $(use_enable hardened esp)" fi if tc_version_is_at_least "4.2" ; 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 ${CTARGET}) -E - <<<"#include " >& /dev/null then confgcc="${confgcc} $(use_enable openmp libgomp)" fi fi # enable the cld workaround until we move things to stable. # by that point, the rest of the software out there should # have caught up. if tc_version_is_at_least "4.3" ; then if ! has ${ARCH} ${KEYWORDS} ; then confgcc="${confgcc} --enable-cld" fi fi # Stick the python scripts in their own slotted directory # bug #279252 # # --with-python-dir=DIR # Specifies where to install the Python modules used for aot-compile. DIR # should not include the prefix used in installation. For example, if the # Python modules are to be installed in /usr/lib/python2.5/site-packages, # then –with-python-dir=/lib/python2.5/site-packages should be passed. # # This should translate into "/share/gcc-data/${CTARGET}/${GCC_CONFIG_VER}/python" if tc_version_is_at_least "4.4" ; then confgcc="${confgcc} --with-python-dir=${DATAPATH/$PREFIX/}/python" fi fi # For newer versions of gcc, use the default ("release"), because no # one (even upstream apparently) tests with it disabled. #317217 if tc_version_is_at_least 4 || [[ -n ${GCC_CHECKS_LIST} ]] ; then confgcc="${confgcc} --enable-checking=${GCC_CHECKS_LIST:-release}" else confgcc="${confgcc} --disable-checking" fi # GTK+ is preferred over xlib in 3.4.x (xlib is unmaintained # right now). Much thanks to for the heads up. # Travis Tilley (11 Jul 2004) if ! is_gcj ; then confgcc="${confgcc} --disable-libgcj" elif use gtk ; then confgcc="${confgcc} --enable-java-awt=gtk" fi case $(tc-arch) in arm) #264534 local arm_arch="${CTARGET%%-*}" # Only do this if arm_arch is armv* if [[ ${arm_arch} == armv* ]] ; then # Convert armv7{a,r,m} to armv7-{a,r,m} [[ ${arm_arch} == armv7? ]] && arm_arch=${arm_arch/7/7-} # Remove endian ('l' / 'eb') [[ ${arm_arch} == *l ]] && arm_arch=${arm_arch%l} [[ ${arm_arch} == *eb ]] && arm_arch=${arm_arch%eb} confgcc="${confgcc} --with-arch=${arm_arch}" fi # Enable hardvfp if [[ ${CTARGET##*-} == *eabi ]] && [[ $(tc-is-hardfloat) == yes ]] && \ tc_version_is_at_least "4.5" ; then confgcc="${confgcc} --with-float=hard" fi ;; # Add --with-abi flags to set default MIPS ABI mips) local mips_abi="" use n64 && mips_abi="--with-abi=64" use n32 && mips_abi="--with-abi=n32" [[ -n ${mips_abi} ]] && confgcc="${confgcc} ${mips_abi}" ;; # Default arch for x86 is normally i386, lets give it a bump # since glibc will do so based on CTARGET anyways x86) confgcc="${confgcc} --with-arch=${CTARGET%%-*}" ;; # Enable sjlj exceptions for backward compatibility on hppa hppa) [[ ${GCCMAJOR} == "3" ]] && confgcc="${confgcc} --enable-sjlj-exceptions" ;; esac GCC_LANG="c" is_cxx && GCC_LANG="${GCC_LANG},c++" is_d && GCC_LANG="${GCC_LANG},d" is_gcj && GCC_LANG="${GCC_LANG},java" if is_objc || is_objcxx ; then GCC_LANG="${GCC_LANG},objc" if tc_version_is_at_least "4.0" ; then use objc-gc && confgcc="${confgcc} --enable-objc-gc" fi is_objcxx && GCC_LANG="${GCC_LANG},obj-c++" fi is_treelang && GCC_LANG="${GCC_LANG},treelang" # fortran support just got sillier! the lang value can be f77 for # fortran77, f95 for fortran95, or just plain old fortran for the # currently supported standard depending on gcc version. is_fortran && GCC_LANG="${GCC_LANG},fortran" is_f77 && GCC_LANG="${GCC_LANG},f77" is_f95 && GCC_LANG="${GCC_LANG},f95" # We do NOT want 'ADA support' in here! # is_ada && GCC_LANG="${GCC_LANG},ada" einfo "configuring for GCC_LANG: ${GCC_LANG}" } # Other than the variables described for gcc_setup_variables, the following # will alter tha behavior of gcc_do_configure: # # CTARGET # CBUILD # Enable building for a target that differs from CHOST # # GCC_TARGET_NO_MULTILIB # Disable multilib. Useful when building single library targets. # # GCC_LANG # Enable support for ${GCC_LANG} languages. defaults to just "c" # # Travis Tilley (04 Sep 2004) # gcc_do_configure() { local confgcc # Set configuration based on path variables confgcc="${confgcc} \ --prefix=${PREFIX} \ --bindir=${BINPATH} \ --includedir=${INCLUDEPATH} \ --datadir=${DATAPATH} \ --mandir=${DATAPATH}/man \ --infodir=${DATAPATH}/info \ --with-gxx-include-dir=${STDCXX_INCDIR}" # On Darwin we need libdir to be set in order to get correct install names # for things like libobjc-gnu, libgcj and libfortran. If we enable it on # non-Darwin we screw up the behaviour this eclass relies on. We in # particular need this over --libdir for bug #255315. [[ ${CHOST} == *-darwin* ]] && \ confgcc="${confgcc} --enable-version-specific-runtime-libs" # All our cross-compile logic goes here ! woo ! confgcc="${confgcc} --host=${CHOST}" if is_crosscompile || tc-is-cross-compiler ; then # Straight from the GCC install doc: # "GCC has code to correctly determine the correct value for target # for nearly all native systems. Therefore, we highly recommend you # not provide a configure target when configuring a native compiler." confgcc="${confgcc} --target=${CTARGET}" fi [[ -n ${CBUILD} ]] && confgcc="${confgcc} --build=${CBUILD}" # ppc altivec support confgcc="${confgcc} $(use_enable altivec)" # gcc has fixed-point arithmetic support in 4.3 for mips targets that can # significantly increase compile time by several hours. This will allow # users to control this feature in the event they need the support. tc_version_is_at_least "4.3" && confgcc="${confgcc} $(use_enable fixed-point)" # graphite support was added in 4.4, which depends upon external libraries # for optimizations. This option allows users to determine if they want # these optimizations and libraries pulled in tc_version_is_at_least "4.4" && \ confgcc="${confgcc} $(use_with graphite ppl) $(use_with graphite cloog)" # lto support was added in 4.5, which depends upon elfutils. This allows # users to enable that option, and pull in the additional library tc_version_is_at_least "4.5" && \ confgcc="${confgcc} $(use_enable lto)" [[ $(tc-is-softfloat) == "yes" ]] && confgcc="${confgcc} --with-float=soft" [[ $(tc-is-hardfloat) == "yes" ]] && confgcc="${confgcc} --with-float=hard" # Native Language Support if use nls ; then confgcc="${confgcc} --enable-nls --without-included-gettext" else confgcc="${confgcc} --disable-nls" fi # reasonably sane globals (hopefully) confgcc="${confgcc} \ --with-system-zlib \ --disable-werror \ --enable-secureplt" # etype specific configuration einfo "running ${ETYPE}-configure" ${ETYPE}-configure || die # if not specified, assume we are building for a target that only # requires C support GCC_LANG=${GCC_LANG:-c} confgcc="${confgcc} --enable-languages=${GCC_LANG}" if is_crosscompile ; then # When building a stage1 cross-compiler (just C compiler), we have to # disable a bunch of features or gcc goes boom local needed_libc="" case ${CTARGET} in *-linux) needed_libc=no-fucking-clue;; *-dietlibc) needed_libc=dietlibc;; *-elf|*-eabi) needed_libc=newlib;; *-freebsd*) needed_libc=freebsd-lib;; *-gnu*) needed_libc=glibc;; *-klibc) needed_libc=klibc;; *-uclibc*) needed_libc=uclibc;; *-cygwin) needed_libc=cygwin;; mingw*|*-mingw*) needed_libc=mingw-runtime;; avr) confgcc="${confgcc} --enable-shared --disable-threads";; esac if [[ -n ${needed_libc} ]] ; then if ! has_version ${CATEGORY}/${needed_libc} ; then confgcc="${confgcc} --disable-shared --disable-threads --without-headers" elif built_with_use --hidden --missing false ${CATEGORY}/${needed_libc} crosscompile_opts_headers-only ; then confgcc="${confgcc} --disable-shared --with-sysroot=${PREFIX}/${CTARGET}" else confgcc="${confgcc} --with-sysroot=${PREFIX}/${CTARGET}" fi fi if [[ ${GCCMAJOR}.${GCCMINOR} > 4.1 ]] ; then confgcc="${confgcc} --disable-bootstrap" fi else if tc-is-static-only ; then confgcc="${confgcc} --disable-shared" else confgcc="${confgcc} --enable-shared" fi case ${CHOST} in mingw*|*-mingw*|*-cygwin) confgcc="${confgcc} --enable-threads=win32" ;; *-mint*) confgcc="${confgcc} --disable-threads" ;; *) confgcc="${confgcc} --enable-threads=posix" ;; esac fi # __cxa_atexit is "essential for fully standards-compliant handling of # destructors", but apparently requires glibc. case ${CTARGET} in *-uclibc*) confgcc="${confgcc} --disable-__cxa_atexit --enable-target-optspace $(use_enable nptl tls)" [[ ${GCCMAJOR}.${GCCMINOR} == 3.3 ]] && confgcc="${confgcc} --enable-sjlj-exceptions" if tc_version_is_at_least 3.4 && [[ ${GCCMAJOR}.${GCCMINOR} < 4.3 ]] ; then confgcc="${confgcc} --enable-clocale=uclibc" fi ;; *-elf|*-eabi) confgcc="${confgcc} --with-newlib" ;; *-gnu*) confgcc="${confgcc} --enable-__cxa_atexit" confgcc="${confgcc} --enable-clocale=gnu" ;; *-freebsd*) confgcc="${confgcc} --enable-__cxa_atexit" ;; *-solaris*) confgcc="${confgcc} --enable-__cxa_atexit" ;; esac [[ ${GCCMAJOR}.${GCCMINOR} < 3.4 ]] && confgcc="${confgcc} --disable-libunwind-exceptions" # create a sparc*linux*-{gcc,g++} that can handle -m32 and -m64 (biarch) if [[ ${CTARGET} == sparc*linux* ]] \ && is_multilib \ && ! is_crosscompile \ && [[ ${GCCMAJOR}.${GCCMINOR} > 4.2 ]] then confgcc="${confgcc} --enable-targets=all" fi tc_version_is_at_least 4.3 && set -- "$@" \ --with-bugurl=http://bugs.gentoo.org/ \ --with-pkgversion="${BRANDING_GCC_PKGVERSION}" set -- ${confgcc} "$@" ${EXTRA_ECONF} # Nothing wrong with a good dose of verbosity echo einfo "PREFIX: ${PREFIX}" einfo "BINPATH: ${BINPATH}" einfo "LIBPATH: ${LIBPATH}" einfo "DATAPATH: ${DATAPATH}" einfo "STDCXX_INCDIR: ${STDCXX_INCDIR}" echo einfo "Configuring GCC with: ${@//--/\n\t--}" echo # Build in a separate build tree mkdir -p "${WORKDIR}"/build pushd "${WORKDIR}"/build > /dev/null # and now to do the actual configuration addwrite /dev/zero echo "${S}"/configure "$@" "${S}"/configure "$@" || die "failed to run configure" # return to whatever directory we were in before popd > /dev/null } # This function accepts one optional argument, the make target to be used. # If ommitted, gcc_do_make will try to guess whether it should use all, # profiledbootstrap, or bootstrap-lean depending on CTARGET and arch. An # example of how to use this function: # # gcc_do_make all-target-libstdc++-v3 # # In addition to the target to be used, the following variables alter the # behavior of this function: # # LDFLAGS # Flags to pass to ld # # STAGE1_CFLAGS # CFLAGS to use during stage1 of a gcc bootstrap # # BOOT_CFLAGS # CFLAGS to use during stages 2+3 of a gcc bootstrap. # # Travis Tilley (04 Sep 2004) # gcc_do_make() { # Fix for libtool-portage.patch local OLDS=${S} S=${WORKDIR}/build # Set make target to $1 if passed [[ -n $1 ]] && GCC_MAKE_TARGET=$1 # default target if is_crosscompile || tc-is-cross-compiler ; then # 3 stage bootstrapping doesnt quite work when you cant run the # resulting binaries natively ^^; GCC_MAKE_TARGET=${GCC_MAKE_TARGET-all} else 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. [[ ${GCC_MAKE_TARGET} == "profiledbootstrap" ]] && export MAKEOPTS="${MAKEOPTS} -j1" # boundschecking seems to introduce parallel build issues want_boundschecking && export MAKEOPTS="${MAKEOPTS} -j1" if [[ ${GCC_MAKE_TARGET} == "all" ]] ; then STAGE1_CFLAGS=${STAGE1_CFLAGS-"${CFLAGS}"} elif [[ $(gcc-version) == "3.4" && ${GCC_BRANCH_VER} == "3.4" ]] && gcc-specs-ssp ; then # See bug #79852 STAGE1_CFLAGS=${STAGE1_CFLAGS-"-O2"} fi if is_crosscompile; then # In 3.4, BOOT_CFLAGS is never used on a crosscompile... # but I'll leave this in anyways as someone might have had # some reason for putting it in here... --eradicator BOOT_CFLAGS=${BOOT_CFLAGS-"-O2"} else # we only want to use the system's CFLAGS if not building a # cross-compiler. BOOT_CFLAGS=${BOOT_CFLAGS-"$(get_abi_CFLAGS) ${CFLAGS}"} fi pushd "${WORKDIR}"/build emake \ LDFLAGS="${LDFLAGS}" \ STAGE1_CFLAGS="${STAGE1_CFLAGS}" \ LIBPATH="${LIBPATH}" \ BOOT_CFLAGS="${BOOT_CFLAGS}" \ ${GCC_MAKE_TARGET} \ || die "emake failed with ${GCC_MAKE_TARGET}" if ! is_crosscompile && ! use nocxx && use doc ; then if type -p doxygen > /dev/null ; then if tc_version_is_at_least 4.3 ; then cd "${CTARGET}"/libstdc++-v3/doc emake doc-man-doxygen || ewarn "failed to make docs" elif tc_version_is_at_least 3.0 ; then cd "${CTARGET}"/libstdc++-v3 emake doxygen-man || ewarn "failed to make docs" fi else ewarn "Skipping libstdc++ manpage generation since you don't have doxygen installed" fi fi popd } # This function will add ${GCC_CONFIG_VER} to the names of all shared libraries in the # directory specified to avoid filename collisions between multiple slotted # non-versioned gcc targets. If no directory is specified, it is assumed that # you want -all- shared objects to have ${GCC_CONFIG_VER} added. Example # # add_version_to_shared ${D}/usr/$(get_libdir) # # Travis Tilley (05 Sep 2004) # add_version_to_shared() { local sharedlib sharedlibdir [[ -z $1 ]] \ && sharedlibdir=${D} \ || sharedlibdir=$1 for sharedlib in $(find ${sharedlibdir} -name *.so.*) ; do if [[ ! -L ${sharedlib} ]] ; then einfo "Renaming `basename "${sharedlib}"` to `basename "${sharedlib/.so*/}-${GCC_CONFIG_VER}.so.${sharedlib/*.so./}"`" mv "${sharedlib}" "${sharedlib/.so*/}-${GCC_CONFIG_VER}.so.${sharedlib/*.so./}" \ || die pushd `dirname "${sharedlib}"` > /dev/null || die ln -sf "`basename "${sharedlib/.so*/}-${GCC_CONFIG_VER}.so.${sharedlib/*.so./}"`" \ "`basename "${sharedlib}"`" || die popd > /dev/null || die fi done } # This is mostly a stub function to be overwritten in an ebuild gcc_do_filter_flags() { strip-flags # In general gcc does not like optimization, and add -O2 where # it is safe. This is especially true for gcc 3.3 + 3.4 replace-flags -O? -O2 # ... sure, why not? strip-unsupported-flags # dont want to funk ourselves filter-flags '-mabi*' -m31 -m32 -m64 case ${GCC_BRANCH_VER} in 3.2|3.3) replace-cpu-flags k8 athlon64 opteron i686 x86-64 replace-cpu-flags pentium-m pentium3m pentium3 case $(tc-arch) in amd64|x86) filter-flags '-mtune=*' ;; # in gcc 3.3 there is a bug on ppc64 where if -mcpu is used, # the compiler wrongly assumes a 32bit target ppc64) filter-flags "-mcpu=*";; esac case $(tc-arch) in amd64) replace-cpu-flags core2 nocona;; x86) replace-cpu-flags core2 prescott;; esac 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 ;; 3.4|4.*) case $(tc-arch) in x86|amd64) filter-flags '-mcpu=*';; *-macos) # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25127 [[ ${GCC_BRANCH_VER} == 4.0 || ${GCC_BRANCH_VER} == 4.1 ]] && \ filter-flags '-mcpu=*' '-march=*' '-mtune=*' ;; esac ;; esac # Compile problems with these (bug #6641 among others)... #filter-flags "-fno-exceptions -fomit-frame-pointer -fforce-addr" # CFLAGS logic (verified with 3.4.3): # CFLAGS: # This conflicts when creating a crosscompiler, so set to a sane # default in this case: # used in ./configure and elsewhere for the native compiler # used by gcc when creating libiberty.a # used by xgcc when creating libstdc++ (and probably others)! # this behavior should be removed... # # CXXFLAGS: # used by xgcc when creating libstdc++ # # STAGE1_CFLAGS (not used in creating a crosscompile gcc): # used by ${CHOST}-gcc for building stage1 compiler # # BOOT_CFLAGS (not used in creating a crosscompile gcc): # used by xgcc for building stage2/3 compiler if is_crosscompile ; then # Set this to something sane for both native and target CFLAGS="-O2 -pipe" local VAR="CFLAGS_"${CTARGET//-/_} CXXFLAGS=${!VAR} fi export GCJFLAGS=${GCJFLAGS:-${CFLAGS}} } gcc_src_compile() { gcc_do_filter_flags einfo "CFLAGS=\"${CFLAGS}\"" einfo "CXXFLAGS=\"${CXXFLAGS}\"" # For hardened gcc 4.3 piepatchset to build the hardened specs # file (build.specs) to use when building gcc. if ! tc_version_is_at_least 4.4 && want_minispecs ; then setup_minispecs_gcc_build_specs fi # Build in a separate build tree mkdir -p "${WORKDIR}"/build pushd "${WORKDIR}"/build > /dev/null # Install our pre generated manpages if we do not have perl ... [[ ! -x /usr/bin/perl ]] && [[ -n ${MAN_VER} ]] && \ unpack gcc-${MAN_VER}-manpages.tar.bz2 einfo "Configuring ${PN} ..." gcc_do_configure touch "${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 einfo "Compiling ${PN} ..." gcc_do_make ${GCC_MAKE_TARGET} # Do not create multiple specs files for PIE+SSP if boundschecking is in # USE, as we disable PIE+SSP when it is. if [[ ${ETYPE} == "gcc-compiler" ]] && want_split_specs && ! want_minispecs; then split_out_specs_files || die "failed to split out specs" fi popd > /dev/null } gcc_src_test() { cd "${WORKDIR}"/build emake -j1 -k check || ewarn "check failed and that sucks :(" } gcc-library_src_install() { # Do the 'make install' from the build directory cd "${WORKDIR}"/build S=${WORKDIR}/build \ emake -j1 \ DESTDIR="${D}" \ prefix=${PREFIX} \ bindir=${BINPATH} \ includedir=${LIBPATH}/include \ datadir=${DATAPATH} \ mandir=${DATAPATH}/man \ infodir=${DATAPATH}/info \ LIBPATH="${LIBPATH}" \ ${GCC_INSTALL_TARGET} || die if [[ ${GCC_LIB_COMPAT_ONLY} == "true" ]] ; then rm -rf "${D}"${INCLUDEPATH} rm -rf "${D}"${DATAPATH} pushd "${D}"${LIBPATH}/ rm *.a *.la *.so popd fi if [[ -n ${GCC_LIB_USE_SUBDIR} ]] ; then mkdir -p "${WORKDIR}"/${GCC_LIB_USE_SUBDIR}/ mv "${D}"${LIBPATH}/* "${WORKDIR}"/${GCC_LIB_USE_SUBDIR}/ mv "${WORKDIR}"/${GCC_LIB_USE_SUBDIR}/ "${D}"${LIBPATH} dodir /etc/env.d echo "LDPATH=\"${LIBPATH}/${GCC_LIB_USE_SUBDIR}/\"" >> "${D}"/etc/env.d/99${PN} fi if [[ ${GCC_VAR_TYPE} == "non-versioned" ]] ; then # if we're not using versioned directories, we need to use versioned # filenames. add_version_to_shared fi } gcc-compiler_src_install() { local x= cd "${WORKDIR}"/build # Do allow symlinks in private gcc include dir as this can break the build find gcc/include*/ -type l -print0 | xargs -0 rm -f # Remove generated headers, as they can cause things to break # (ncurses, openssl, etc). for x in $(find gcc/include*/ -name '*.h') ; do grep -q 'It has been auto-edited by fixincludes from' "${x}" \ && rm -f "${x}" done # Do the 'make install' from the build directory S=${WORKDIR}/build \ emake -j1 DESTDIR="${D}" install || die # Punt some tools which are really only useful while building gcc find "${D}" -name install-tools -prune -type d -exec rm -rf "{}" \; # This one comes with binutils find "${D}" -name libiberty.a -exec rm -f "{}" \; # Move the libraries to the proper location gcc_movelibs # Basic sanity check if ! is_crosscompile ; then local EXEEXT eval $(grep ^EXEEXT= "${WORKDIR}"/build/gcc/config.log) [[ -r ${D}${BINPATH}/gcc${EXEEXT} ]] || die "gcc not found in ${D}" fi dodir /etc/env.d/gcc create_gcc_env_entry if want_split_specs ; then if use hardened ; then create_gcc_env_entry vanilla fi ! use hardened && hardened_gcc_works && create_gcc_env_entry hardened if hardened_gcc_works || hardened_gcc_works pie ; then create_gcc_env_entry hardenednossp fi if hardened_gcc_works || hardened_gcc_works ssp ; then create_gcc_env_entry hardenednopie fi create_gcc_env_entry hardenednopiessp insinto ${LIBPATH} doins "${WORKDIR}"/build/*.specs || die "failed to install specs" fi # Setup the gcc_env_entry for hardened gcc 4 with minispecs if want_minispecs ; then copy_minispecs_gcc_specs fi # Make sure we dont have stuff lying around that # can nuke multiple versions of gcc gcc_slot_java # Move to compiler-specific directories [[ -f ${D}${STDCXX_INCDIR}/cxxabi.h ]] && \ mv -f "${D}"${STDCXX_INCDIR}/cxxabi.h "${D}"${LIBPATH}/include/ # These should be symlinks dodir /usr/bin cd "${D}"${BINPATH} for x in cpp gcc g++ c++ g77 gcj gcjh gfortran ; 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 ${CTARGET}-${x} ]] && ! is_crosscompile ; then ln -sf ${CTARGET}-${x} ${x} # Create version-ed symlinks dosym ${BINPATH}/${CTARGET}-${x} \ /usr/bin/${CTARGET}-${x}-${GCC_CONFIG_VER} dosym ${BINPATH}/${CTARGET}-${x} \ /usr/bin/${x}-${GCC_CONFIG_VER} fi if [[ -f ${CTARGET}-${x}-${GCC_CONFIG_VER} ]] ; then rm -f ${CTARGET}-${x}-${GCC_CONFIG_VER} ln -sf ${CTARGET}-${x} ${CTARGET}-${x}-${GCC_CONFIG_VER} fi done # I do not know if this will break gcj stuff, so I'll only do it for # objc for now; basically "ffi.h" is the correct file to include, # but it gets installed in .../GCCVER/include and yet it does # "#include " which (correctly, as it's an "extra" file) # is installed in .../GCCVER/include/libffi; the following fixes # ffi.'s include of ffitarget.h - Armando Di Cianno if [[ -d ${D}${LIBPATH}/include/libffi ]] ; then mv -i "${D}"${LIBPATH}/include/libffi/* "${D}"${LIBPATH}/include || die rm -r "${D}"${LIBPATH}/include/libffi || die fi # Now do the fun stripping stuff env RESTRICT="" CHOST=${CHOST} prepstrip "${D}${BINPATH}" env RESTRICT="" CHOST=${CTARGET} prepstrip "${D}${LIBPATH}" # gcc used to install helper binaries in lib/ but then moved to libexec/ [[ -d ${D}${PREFIX}/libexec/gcc ]] && \ env RESTRICT="" CHOST=${CHOST} prepstrip "${D}${PREFIX}/libexec/gcc/${CTARGET}/${GCC_CONFIG_VER}" cd "${S}" if is_crosscompile; then rm -rf "${D}"/usr/share/{man,info} rm -rf "${D}"${DATAPATH}/{man,info} else local cxx_mandir=${WORKDIR}/build/${CTARGET}/libstdc++-v3/docs/doxygen/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 has noinfo ${FEATURES} \ && rm -r "${D}/${DATAPATH}"/info \ || prepinfo "${DATAPATH}" has noman ${FEATURES} \ && rm -r "${D}/${DATAPATH}"/man \ || prepman "${DATAPATH}" fi # prune empty dirs left behind for x in 1 2 3 4 ; do find "${D}" -type d -exec rmdir "{}" \; >& /dev/null done # install testsuite results if use test; then docinto testsuite find "${WORKDIR}"/build -type f -name "*.sum" -print0 | xargs -0 dodoc find "${WORKDIR}"/build -type f -path "*/testsuite/*.log" -print0 \ | xargs -0 dodoc 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}/${LIBPATH}" -name libstdc++.la -type f -exec rm "{}" \; else doins "${GCC_FILESDIR}"/awk/fixlafiles.awk || die fi exeinto "${DATAPATH}" doexe "${GCC_FILESDIR}"/fix_libtool_files.sh || die doexe "${GCC_FILESDIR}"/c{89,99} || die fi # use gid of 0 because some stupid ports don't have # the group 'root' set to gid 0 chown -R root:0 "${D}"${LIBPATH} # Move pretty-printers to gdb datadir to shut ldconfig up gdbdir=/usr/share/gdb/auto-load for module in $(find "${D}" -iname "*-gdb.py" -print); do insinto ${gdbdir}/$(dirname "${module/${D}/}" | \ sed -e "s:/lib/:/$(get_libdir)/:g") doins "${module}" rm "${module}" done } gcc_slot_java() { local x # Move Java headers to compiler-specific dir for x in "${D}"${PREFIX}/include/gc*.h "${D}"${PREFIX}/include/j*.h ; do [[ -f ${x} ]] && mv -f "${x}" "${D}"${LIBPATH}/include/ done for x in gcj gnu java javax org ; do if [[ -d ${D}${PREFIX}/include/${x} ]] ; then dodir /${LIBPATH}/include/${x} mv -f "${D}"${PREFIX}/include/${x}/* "${D}"${LIBPATH}/include/${x}/ rm -rf "${D}"${PREFIX}/include/${x} fi done if [[ -d ${D}${PREFIX}/lib/security ]] || [[ -d ${D}${PREFIX}/$(get_libdir)/security ]] ; then dodir /${LIBPATH}/security mv -f "${D}"${PREFIX}/lib*/security/* "${D}"${LIBPATH}/security rm -rf "${D}"${PREFIX}/lib*/security fi # Move libgcj.spec to compiler-specific directories [[ -f ${D}${PREFIX}/lib/libgcj.spec ]] && \ mv -f "${D}"${PREFIX}/lib/libgcj.spec "${D}"${LIBPATH}/libgcj.spec # SLOT up libgcj.pc (and let gcc-config worry about links) local libgcj=$(find "${D}"${PREFIX}/lib/pkgconfig/ -name 'libgcj*.pc') if [[ -n ${libgcj} ]] ; then sed -i "/^libdir=/s:=.*:=${LIBPATH}:" "${libgcj}" mv "${libgcj}" "${D}"/usr/lib/pkgconfig/libgcj-${GCC_PV}.pc || die fi # Rename jar because it could clash with Kaffe's jar if this gcc is # primary compiler (aka don't have the - extension) cd "${D}"${BINPATH} [[ -f jar ]] && mv -f jar gcj-jar } # Move around the libs to the right location. For some reason, # when installing gcc, it dumps internal libraries into /usr/lib # instead of the private gcc lib path gcc_movelibs() { # older versions of gcc did not support --print-multi-os-directory tc_version_is_at_least 3.0 || return 0 local multiarg removedirs="" for multiarg in $($(XGCC) -print-multi-lib) ; do multiarg=${multiarg#*;} multiarg=${multiarg//@/ -} local OS_MULTIDIR=$($(XGCC) ${multiarg} --print-multi-os-directory) local MULTIDIR=$($(XGCC) ${multiarg} --print-multi-directory) local TODIR=${D}${LIBPATH}/${MULTIDIR} local FROMDIR= [[ -d ${TODIR} ]] || mkdir -p ${TODIR} for FROMDIR in \ ${LIBPATH}/${OS_MULTIDIR} \ ${LIBPATH}/../${MULTIDIR} \ ${PREFIX}/lib/${OS_MULTIDIR} \ ${PREFIX}/${CTARGET}/lib/${OS_MULTIDIR} \ ${PREFIX}/lib/${MULTIDIR} do removedirs="${removedirs} ${FROMDIR}" FROMDIR=${D}${FROMDIR} if [[ ${FROMDIR} != "${TODIR}" && -d ${FROMDIR} ]] ; then local files=$(find "${FROMDIR}" -maxdepth 1 ! -type d 2>/dev/null) if [[ -n ${files} ]] ; then mv ${files} "${TODIR}" fi fi done fix_libtool_libdir_paths "${LIBPATH}/${MULTIDIR}" done # We remove directories separately to avoid this case: # mv SRC/lib/../lib/*.o DEST # rmdir SRC/lib/../lib/ # mv SRC/lib/../lib32/*.o DEST # Bork for FROMDIR in ${removedirs} ; do rmdir "${D}"${FROMDIR} >& /dev/null done find "${D}" -type d | xargs rmdir >& /dev/null } #----<< src_* >>---- #---->> unorganized crap in need of refactoring follows # gcc_quick_unpack will unpack the gcc tarball and patches in a way that is # consistant with the behavior of get_gcc_src_uri. The only patch it applies # itself is the branch update if present. # # Travis Tilley (03 Sep 2004) # gcc_quick_unpack() { pushd "${WORKDIR}" > /dev/null export PATCH_GCC_VER=${PATCH_GCC_VER:-${GCC_RELEASE_VER}} export UCLIBC_GCC_VER=${UCLIBC_GCC_VER:-${PATCH_GCC_VER}} export PIE_GCC_VER=${PIE_GCC_VER:-${GCC_RELEASE_VER}} export PP_GCC_VER=${PP_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}} if [[ -n ${GCC_A_FAKEIT} ]] ; then unpack ${GCC_A_FAKEIT} elif [[ -n ${PRERELEASE} ]] ; then unpack gcc-${PRERELEASE}.tar.bz2 elif [[ -n ${SNAPSHOT} ]] ; then unpack gcc-${SNAPSHOT}.tar.bz2 else unpack gcc-${GCC_RELEASE_VER}.tar.bz2 # We want branch updates to be against a release tarball if [[ -n ${BRANCH_UPDATE} ]] ; then pushd "${S}" > /dev/null epatch "${DISTDIR}"/gcc-${GCC_RELEASE_VER}-branch-update-${BRANCH_UPDATE}.patch.bz2 popd > /dev/null fi fi if [[ -n ${D_VER} ]] && use d ; then pushd "${S}"/gcc > /dev/null unpack gdc-${D_VER}-src.tar.bz2 cd .. ebegin "Adding support for the D language" ./gcc/d/setup-gcc.sh >& "${T}"/dgcc.log if ! eend $? ; then eerror "The D gcc package failed to apply" eerror "Please include this log file when posting a bug report:" eerror " ${T}/dgcc.log" die "failed to include the D language" fi popd > /dev/null fi [[ -n ${PATCH_VER} ]] && \ unpack gcc-${PATCH_GCC_VER}-patches-${PATCH_VER}.tar.bz2 [[ -n ${UCLIBC_VER} ]] && \ unpack gcc-${UCLIBC_GCC_VER}-uclibc-patches-${UCLIBC_VER}.tar.bz2 if want_ssp ; then if [[ -n ${PP_FVER} ]] ; then # The gcc 3.4 propolice versions are meant to be unpacked to ${S} pushd "${S}" > /dev/null unpack protector-${PP_FVER}.tar.gz popd > /dev/null else unpack gcc-${PP_GCC_VER}-ssp-${PP_VER}.tar.bz2 fi fi if want_pie ; then if [[ -n ${PIE_CORE} ]] ; then unpack ${PIE_CORE} else unpack gcc-${PIE_GCC_VER}-piepatches-v${PIE_VER}.tar.bz2 fi [[ -n ${SPECS_VER} ]] && \ unpack gcc-${SPECS_GCC_VER}-specs-${SPECS_VER}.tar.bz2 fi want_boundschecking && \ unpack "bounds-checking-gcc-${HTB_GCC_VER}-${HTB_VER}.patch.bz2" popd > /dev/null } # Exclude any unwanted patches, as specified by the following variables: # # GENTOO_PATCH_EXCLUDE # List of filenames, relative to ${WORKDIR}/patch/ # # PIEPATCH_EXCLUDE # List of filenames, relative to ${WORKDIR}/piepatch/ # # Travis Tilley (03 Sep 2004) # exclude_gcc_patches() { local i for i in ${GENTOO_PATCH_EXCLUDE} ; do if [[ -f ${WORKDIR}/patch/${i} ]] ; then einfo "Excluding patch ${i}" rm -f "${WORKDIR}"/patch/${i} || die "failed to delete ${i}" fi done for i in ${PIEPATCH_EXCLUDE} ; do if [[ -f ${WORKDIR}/piepatch/${i} ]] ; then einfo "Excluding piepatch ${i}" rm -f "${WORKDIR}"/piepatch/${i} || die "failed to delete ${i}" fi done } # Try to apply some stub patches so that gcc won't error out when # passed parameters like -fstack-protector but no ssp is found do_gcc_stub() { local v stub_patch="" for v in ${GCC_RELEASE_VER} ${GCC_BRANCH_VER} ; do stub_patch=${GCC_FILESDIR}/stubs/gcc-${v}-$1-stub.patch if [[ -e ${stub_patch} ]] && ! use vanilla ; then EPATCH_SINGLE_MSG="Applying stub patch for $1 ..." \ epatch "${stub_patch}" return 0 fi done } do_gcc_HTB_patches() { if ! want_boundschecking || \ (want_ssp && [[ ${HTB_EXCLUSIVE} == "true" ]]) then do_gcc_stub htb return 0 fi # modify the bounds checking patch with a regression patch epatch "${WORKDIR}/bounds-checking-gcc-${HTB_GCC_VER}-${HTB_VER}.patch" BRANDING_GCC_PKGVERSION="${BRANDING_GCC_PKGVERSION}, HTB-${HTB_GCC_VER}-${HTB_VER}" } # patch in ProPolice Stack Smashing protection do_gcc_SSP_patches() { # PARISC has no love ... it's our stack :( if [[ $(tc-arch) == "hppa" ]] || \ ! want_ssp || \ (want_boundschecking && [[ ${HTB_EXCLUSIVE} == "true" ]]) then do_gcc_stub ssp return 0 fi local ssppatch local sspdocs if [[ -n ${PP_FVER} ]] ; then # Etoh keeps changing where files are and what the patch is named if tc_version_is_at_least 3.4.1 ; then # >3.4.1 uses version in patch name, and also includes docs ssppatch="${S}/gcc_${PP_VER}.dif" sspdocs="yes" elif tc_version_is_at_least 3.4.0 ; then # >3.4 put files where they belong and 3_4 uses old patch name ssppatch="${S}/protector.dif" sspdocs="no" elif tc_version_is_at_least 3.2.3 ; then # earlier versions have no directory structure or docs mv "${S}"/protector.{c,h} "${S}"/gcc ssppatch="${S}/protector.dif" sspdocs="no" fi else # Just start packaging the damn thing ourselves mv "${WORKDIR}"/ssp/protector.{c,h} "${S}"/gcc/ ssppatch=${WORKDIR}/ssp/gcc-${PP_GCC_VER}-ssp.patch # allow boundschecking and ssp to get along (want_boundschecking && [[ -e ${WORKDIR}/ssp/htb-ssp.patch ]]) \ && patch -s "${ssppatch}" "${WORKDIR}"/ssp/htb-ssp.patch fi [[ -z ${ssppatch} ]] && die "Sorry, SSP is not supported in this version" epatch ${ssppatch} if [[ ${PN} == "gcc" && ${sspdocs} == "no" ]] ; then epatch "${GCC_FILESDIR}"/pro-police-docs.patch fi # Don't build crtbegin/end with ssp sed -e 's|^CRTSTUFF_CFLAGS = |CRTSTUFF_CFLAGS = -fno-stack-protector |'\ -i gcc/Makefile.in || die "Failed to update crtstuff!" # if gcc in a stage3 defaults to ssp, is version 3.4.0 and a stage1 is built # the build fails building timevar.o w/: # cc1: stack smashing attack in function ix86_split_to_parts() if use build && tc_version_is_at_least 3.4.0 ; then if gcc -dumpspecs | grep -q "fno-stack-protector:" ; then epatch "${GCC_FILESDIR}"/3.4.0/gcc-3.4.0-cc1-no-stack-protector.patch fi fi BRANDING_GCC_PKGVERSION="${BRANDING_GCC_PKGVERSION}, ssp-${PP_FVER:-${PP_GCC_VER}-${PP_VER}}" if want_libssp ; then update_gcc_for_libssp else update_gcc_for_libc_ssp fi # Don't build libgcc with ssp sed -e 's|^\(LIBGCC2_CFLAGS.*\)$|\1 -fno-stack-protector|' \ -i gcc/Makefile.in || die "Failed to update gcc!" } # If glibc or uclibc has been patched to provide the necessary symbols itself, # then lets use those for SSP instead of libgcc. update_gcc_for_libc_ssp() { if libc_has_ssp ; then einfo "Updating gcc to use SSP from libc ..." sed -e 's|^\(LIBGCC2_CFLAGS.*\)$|\1 -D_LIBC_PROVIDES_SSP_|' \ -i "${S}"/gcc/Makefile.in || die "Failed to update gcc!" fi } # a split out non-libc non-libgcc ssp requires additional spec logic changes update_gcc_for_libssp() { einfo "Updating gcc to use SSP from libssp..." sed -e 's|^\(INTERNAL_CFLAGS.*\)$|\1 -D_LIBSSP_PROVIDES_SSP_|' \ -i "${S}"/gcc/Makefile.in || die "Failed to update gcc!" } # do various updates to PIE logic do_gcc_PIE_patches() { if ! want_pie || \ (want_boundschecking && [[ ${HTB_EXCLUSIVE} == "true" ]]) then return 0 fi want_boundschecking \ && rm -f "${WORKDIR}"/piepatch/*/*-boundschecking-no.patch* \ || rm -f "${WORKDIR}"/piepatch/*/*-boundschecking-yes.patch* use vanilla && return 0 if tc_version_is_at_least 4.3.2; then guess_patch_type_in_dir "${WORKDIR}"/piepatch/ EPATCH_MULTI_MSG="Applying pie patches ..." \ epatch "${WORKDIR}"/piepatch/ else guess_patch_type_in_dir "${WORKDIR}"/piepatch/upstream # corrects startfile/endfile selection and shared/static/pie flag usage EPATCH_MULTI_MSG="Applying upstream pie patches ..." \ epatch "${WORKDIR}"/piepatch/upstream # adds non-default pie support (rs6000) EPATCH_MULTI_MSG="Applying non-default pie patches ..." \ epatch "${WORKDIR}"/piepatch/nondef # adds default pie support (rs6000 too) if DEFAULT_PIE[_SSP] is defined EPATCH_MULTI_MSG="Applying default pie patches ..." \ epatch "${WORKDIR}"/piepatch/def fi # we want to be able to control the pie patch logic via something other # than ALL_CFLAGS... sed -e '/^ALL_CFLAGS/iHARD_CFLAGS = ' \ -e 's|^ALL_CFLAGS = |ALL_CFLAGS = $(HARD_CFLAGS) |' \ -i "${S}"/gcc/Makefile.in BRANDING_GCC_PKGVERSION="${BRANDING_GCC_PKGVERSION}, pie-${PIE_VER}" } should_we_gcc_config() { # we always want to run gcc-config if we're bootstrapping, otherwise # we might get stuck with the c-only stage1 compiler use bootstrap && return 0 use build && return 0 # if the current config is invalid, we definitely want a new one # Note: due to bash quirkiness, the following must not be 1 line local curr_config curr_config=$(env -i ROOT="${ROOT}" gcc-config -c ${CTARGET} 2>&1) || return 0 # if the previously selected config has the same major.minor (branch) as # the version we are installing, then it will probably be uninstalled # for being in the same SLOT, make sure we run gcc-config. local curr_config_ver=$(env -i ROOT="${ROOT}" gcc-config -S ${curr_config} | awk '{print $2}') local curr_branch_ver=$(get_version_component_range 1-2 ${curr_config_ver}) # If we're using multislot, just run gcc-config if we're installing # to the same profile as the current one. use multislot && return $([[ ${curr_config_ver} == ${GCC_CONFIG_VER} ]]) if [[ ${curr_branch_ver} == ${GCC_BRANCH_VER} ]] ; then return 0 else # if we're installing a genuinely different compiler version, # we should probably tell the user -how- to switch to the new # gcc version, since we're not going to do it for him/her. # We don't want to switch from say gcc-3.3 to gcc-3.4 right in # the middle of an emerge operation (like an 'emerge -e world' # which could install multiple gcc versions). einfo "The current gcc config appears valid, so it will not be" einfo "automatically switched for you. If you would like to" einfo "switch to the newly installed gcc version, do the" einfo "following:" echo einfo "gcc-config ${CTARGET}-${GCC_CONFIG_VER}" einfo "source /etc/profile" echo ebeep return 1 fi } do_gcc_config() { if ! should_we_gcc_config ; then env -i ROOT="${ROOT}" gcc-config --use-old --force return 0 fi local current_gcc_config="" current_specs="" use_specs="" current_gcc_config=$(env -i ROOT="${ROOT}" gcc-config -c ${CTARGET} 2>/dev/null) if [[ -n ${current_gcc_config} ]] ; then # figure out which specs-specific config is active current_specs=$(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." ebeep epause use_specs="" fi gcc-config ${CTARGET}-${GCC_CONFIG_VER}${use_specs} } # This function allows us to gentoo-ize gcc's version number and bugzilla # URL without needing to use patches. gcc_version_patch() { # gcc-4.3+ has configure flags (whoo!) tc_version_is_at_least 4.3 && return 0 local version_string=${GCC_CONFIG_VER} [[ -n ${BRANCH_UPDATE} ]] && version_string="${version_string} ${BRANCH_UPDATE}" einfo "patching gcc version: ${version_string} (${BRANDING_GCC_PKGVERSION})" if grep -qs VERSUFFIX "${S}"/gcc/version.c ; then sed -i -e "s~VERSUFFIX \"\"~VERSUFFIX \" (${BRANDING_GCC_PKGVERSION})\"~" \ "${S}"/gcc/version.c || die "failed to update VERSUFFIX with Gentoo branding" else version_string="${version_string} (${BRANDING_GCC_PKGVERSION})" sed -i -e "s~\(const char version_string\[\] = \"\).*\(\".*\)~\1$version_string\2~" \ "${S}"/gcc/version.c || die "failed to update version.c with Gentoo branding." fi sed -i -e 's~gcc\.gnu\.org\/bugs\.html~bugs\.gentoo\.org\/~' \ "${S}"/gcc/version.c || die "Failed to change the bug URL" } # The purpose of this DISGUSTING gcc multilib hack is to allow 64bit libs # to live in lib instead of lib64 where they belong, with 32bit libraries # in lib32. This hack has been around since the beginning of the amd64 port, # and we're only now starting to fix everything that's broken. Eventually # this should go away. # # Travis Tilley (03 Sep 2004) # disgusting_gcc_multilib_HACK() { local config local libdirs if has_multilib_profile ; then case $(tc-arch) in amd64) config="i386/t-linux64" libdirs="../$(get_abi_LIBDIR amd64) ../$(get_abi_LIBDIR x86)" \ ;; ppc64) config="rs6000/t-linux64" libdirs="../$(get_abi_LIBDIR ppc64) ../$(get_abi_LIBDIR ppc)" \ ;; esac else die "Your profile is no longer supported by portage." fi einfo "updating multilib directories to be: ${libdirs}" sed -i -e "s:^MULTILIB_OSDIRNAMES.*:MULTILIB_OSDIRNAMES = ${libdirs}:" "${S}"/gcc/config/${config} } disable_multilib_libjava() { if is_gcj ; then # We dont want a multilib libjava, so lets use this hack taken from fedora pushd "${S}" > /dev/null sed -i -e 's/^all: all-redirect/ifeq (\$(MULTISUBDIR),)\nall: all-redirect\nelse\nall:\n\techo Multilib libjava build disabled\nendif/' libjava/Makefile.in sed -i -e 's/^install: install-redirect/ifeq (\$(MULTISUBDIR),)\ninstall: install-redirect\nelse\ninstall:\n\techo Multilib libjava install disabled\nendif/' libjava/Makefile.in sed -i -e 's/^check: check-redirect/ifeq (\$(MULTISUBDIR),)\ncheck: check-redirect\nelse\ncheck:\n\techo Multilib libjava check disabled\nendif/' libjava/Makefile.in sed -i -e 's/^all: all-recursive/ifeq (\$(MULTISUBDIR),)\nall: all-recursive\nelse\nall:\n\techo Multilib libjava build disabled\nendif/' libjava/Makefile.in sed -i -e 's/^install: install-recursive/ifeq (\$(MULTISUBDIR),)\ninstall: install-recursive\nelse\ninstall:\n\techo Multilib libjava install disabled\nendif/' libjava/Makefile.in sed -i -e 's/^check: check-recursive/ifeq (\$(MULTISUBDIR),)\ncheck: check-recursive\nelse\ncheck:\n\techo Multilib libjava check disabled\nendif/' libjava/Makefile.in popd > /dev/null fi } # 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() { pushd "${D}" >/dev/null pushd "./${1}" >/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 popd >/dev/null } is_multilib() { [[ ${GCCMAJOR} < 3 ]] && return 1 case ${CTARGET} in mips64*|powerpc64*|s390x*|sparc*|x86_64*) has_multilib_profile || use multilib ;; *-*-solaris*|*-apple-darwin*|*-mint*) use multilib ;; *) false ;; esac } is_cxx() { gcc-lang-supported 'c++' || return 1 ! use nocxx } is_d() { gcc-lang-supported d || return 1 use d } is_f77() { gcc-lang-supported f77 || return 1 use fortran } is_f95() { gcc-lang-supported f95 || return 1 use fortran } is_fortran() { gcc-lang-supported fortran || return 1 use fortran } is_gcj() { gcc-lang-supported java || return 1 use gcj } is_libffi() { has libffi ${IUSE} || return 1 use libffi } is_objc() { gcc-lang-supported objc || return 1 use objc } is_objcxx() { gcc-lang-supported 'obj-c++' || return 1 use objc++ } is_ada() { gcc-lang-supported ada || return 1 use ada } is_treelang() { has boundschecking ${IUSE} && use boundschecking && return 1 #260532 is_crosscompile && return 1 #199924 gcc-lang-supported treelang || return 1 #use treelang return 0 }