diff options
Diffstat (limited to 'sys-libs/glibc/files/eblits/common.eblit')
| -rw-r--r-- | sys-libs/glibc/files/eblits/common.eblit | 291 |
1 files changed, 0 insertions, 291 deletions
diff --git a/sys-libs/glibc/files/eblits/common.eblit b/sys-libs/glibc/files/eblits/common.eblit deleted file mode 100644 index 55619f2..0000000 --- a/sys-libs/glibc/files/eblits/common.eblit +++ /dev/null @@ -1,291 +0,0 @@ -# Copyright 1999-2017 Gentoo Foundation -# Distributed under the terms of the GNU General Public License v2 - -# We need to be able to set alternative headers for -# compiling for non-native platform -# Will also become useful for testing kernel-headers without screwing up -# the whole system. -# note: intentionally undocumented. -alt_headers() { - if [[ -z ${ALT_HEADERS} ]] ; then - if is_crosscompile ; then - ALT_HEADERS="/usr/${CTARGET}/usr/include" - else - ALT_HEADERS="/usr/include" - fi - fi - echo "${ALT_HEADERS}" -} -alt_build_headers() { - if [[ -z ${ALT_BUILD_HEADERS} ]] ; then - ALT_BUILD_HEADERS=$(alt_headers) - if tc-is-cross-compiler ; then - ALT_BUILD_HEADERS=${ROOT}$(alt_headers) - if [[ ! -e ${ALT_BUILD_HEADERS}/linux/version.h ]] ; then - local header_path=$(echo '#include <linux/version.h>' | $(tc-getCPP ${CTARGET}) ${CFLAGS} 2>&1 | grep -o '[^"]*linux/version.h') - ALT_BUILD_HEADERS=${header_path%/linux/version.h} - fi - fi - fi - echo "${ALT_BUILD_HEADERS}" -} - -alt_usrlibdir() { - if is_crosscompile ; then - echo /usr/${CTARGET}/usr/$(get_libdir) - else - echo /usr/$(get_libdir) - fi -} - -setup_target_flags() { - # This largely mucks with compiler flags. None of which should matter - # when building up just the headers. - just_headers && return 0 - - case $(tc-arch) in - x86) - # -march needed for #185404 #199334 - if ! glibc_compile_test "" 'void f(int i, void *p) {if (__sync_fetch_and_add(&i, 1)) f(i, p);}\nint main(){return 0;}\n' 2>/dev/null ; then - local t=${CTARGET_OPT:-${CTARGET}} - t=${t%%-*} - filter-flags '-march=*' - export CFLAGS="-march=${t} ${CFLAGS}" - einfo "Auto adding -march=${t} to CFLAGS #185404" - fi - ;; - amd64) - # -march needed for #185404 #199334 - if ! glibc_compile_test "${CFLAGS_x86}" 'void f(int i, void *p) {if (__sync_fetch_and_add(&i, 1)) f(i, p);}\nint main(){return 0;}\n' 2>/dev/null ; then - local t=${CTARGET_OPT:-${CTARGET}} - t=${t%%-*} - filter-flags '-march=*' - export CFLAGS_x86="${CFLAGS_x86} -march=${t}" - einfo "Auto adding -march=${t} to CFLAGS_x86 #185404" - fi - ;; - ppc) - append-flags "-freorder-blocks" - ;; - sparc) - # Both sparc and sparc64 can use -fcall-used-g6. -g7 is bad, though. - filter-flags "-fcall-used-g7" - append-flags "-fcall-used-g6" - filter-flags "-mvis" - - GLIBCMAJOR=$(get_version_component_range 1 ${PV}) - GLIBCMINOR=$(get_version_component_range 2 ${PV}) - - # set CTARGET_OPT so glibc can use cpu-specific .S files for better performance - # - UltraSPARC T1 (niagara) support requires >= glibc 2.8 - # - UltraSPARC T2 (niagara2) support requires >= glibc 2.7 - - if is_crosscompile || [[ ${PROFILE_ARCH} == "sparc64" ]] || { has_multilib_profile && ! tc-is-cross-compiler; } ; then - case ${ABI}:${CTARGET} in - sparc64:*|\ - default:sparc64*) - filter-flags -Wa,-xarch -Wa,-A - - if is-flagq "-mcpu=niagara2" && [[ ${GLIBCMAJOR}.${GLIBCMINOR} > 2.7 ]] ; then - CTARGET_OPT="sparc64v2-unknown-linux-gnu" - append-flags "-Wa,-xarch=v9b" - export ASFLAGS="${ASFLAGS} -Wa,-xarch=v9b" - elif { is-flagq "-mcpu=niagara" || is-flagq "-mcpu=niagara2" ; } && [[ ${GLIBCMAJOR}.${GLIBCMINOR} > 2.6 ]] ; then - CTARGET_OPT="sparc64v-unknown-linux-gnu" - append-flags "-Wa,-xarch=v9b" - export ASFLAGS="${ASFLAGS} -Wa,-xarch=v9b" - elif is-flagq "-mcpu=ultrasparc3" || is-flagq "-mcpu=niagara" || is-flagq "-mcpu=niagara2"; then - CTARGET_OPT="sparc64b-unknown-linux-gnu" - append-flags "-Wa,-xarch=v9b" - export ASFLAGS="${ASFLAGS} -Wa,-xarch=v9b" - else - CTARGET_OPT="sparc64-unknown-linux-gnu" - append-flags "-Wa,-xarch=v9a" - export ASFLAGS="${ASFLAGS} -Wa,-xarch=v9a" - fi - ;; - *) - if is-flagq "-mcpu=niagara2" && [[ ${GLIBCMAJOR}.${GLIBCMINOR} > 2.7 ]] ; then - CTARGET_OPT="sparcv9v2-unknown-linux-gnu" - elif { is-flagq "-mcpu=niagara" || is-flagq "-mcpu=niagara2" ; } && [[ ${GLIBCMAJOR}.${GLIBCMINOR} > 2.6 ]] ; then - CTARGET_OPT="sparcv9v-unknown-linux-gnu" - elif is-flagq "-mcpu=ultrasparc3" || is-flagq "-mcpu=niagara" || is-flagq "-mcpu=niagara2"; then - CTARGET_OPT="sparcv9b-unknown-linux-gnu" - else - CTARGET_OPT="sparcv9-unknown-linux-gnu" - fi - ;; - esac - else - if is-flagq "-mcpu=niagara2" && [[ ${GLIBCMAJOR}.${GLIBCMINOR} > 2.7 ]] ; then - CTARGET_OPT="sparcv9v2-unknown-linux-gnu" - elif { is-flagq "-mcpu=niagara" || is-flagq "-mcpu=niagara2" ; } && [[ ${GLIBCMAJOR}.${GLIBCMINOR} > 2.6 ]] ; then - CTARGET_OPT="sparcv9v-unknown-linux-gnu" - elif is-flagq "-mcpu=ultrasparc3" || is-flagq "-mcpu=niagara" || is-flagq "-mcpu=niagara2"; then - CTARGET_OPT="sparcv9b-unknown-linux-gnu" - elif { is_crosscompile && want_nptl; } || is-flagq "-mcpu=ultrasparc2" || is-flagq "-mcpu=ultrasparc"; then - CTARGET_OPT="sparcv9-unknown-linux-gnu" - fi - fi - ;; - esac -} - -setup_flags() { - # Make sure host make.conf doesn't pollute us - if is_crosscompile || tc-is-cross-compiler ; then - CHOST=${CTARGET} strip-unsupported-flags - fi - - # Store our CFLAGS because it's changed depending on which CTARGET - # we are building when pulling glibc on a multilib profile - CFLAGS_BASE=${CFLAGS_BASE-${CFLAGS}} - CFLAGS=${CFLAGS_BASE} - CXXFLAGS_BASE=${CXXFLAGS_BASE-${CXXFLAGS}} - CXXFLAGS=${CXXFLAGS_BASE} - ASFLAGS_BASE=${ASFLAGS_BASE-${ASFLAGS}} - ASFLAGS=${ASFLAGS_BASE} - - # Over-zealous CFLAGS can often cause problems. What may work for one - # person may not work for another. To avoid a large influx of bugs - # relating to failed builds, we strip most CFLAGS out to ensure as few - # problems as possible. - strip-flags - strip-unsupported-flags - filter-flags -m32 -m64 -mabi=* - - unset CBUILD_OPT CTARGET_OPT - if has_multilib_profile ; then - CTARGET_OPT=$(get_abi_CTARGET) - [[ -z ${CTARGET_OPT} ]] && CTARGET_OPT=$(get_abi_CHOST) - fi - - setup_target_flags - - if [[ -n ${CTARGET_OPT} && ${CBUILD} == ${CHOST} ]] && ! is_crosscompile; then - CBUILD_OPT=${CTARGET_OPT} - fi - - # Lock glibc at -O2 -- linuxthreads needs it and we want to be - # conservative here. -fno-strict-aliasing is to work around #155906 - filter-flags -O? - append-flags -O2 -fno-strict-aliasing - - # Cant build glibc itself with fortify code - append-cppflags -U_FORTIFY_SOURCE - - # building glibc with SSP is fraught with difficulty, especially - # due to __stack_chk_fail_local which would mean significant changes - # to the glibc build process. See bug #94325 #293721 - use hardened && gcc-specs-ssp && append-cflags $(test-flags-CC -fno-stack-protector) - - if use hardened && gcc-specs-pie ; then - # Force PIC macro definition for all compilations since they're all - # either -fPIC or -fPIE with the default-PIE compiler. - append-cppflags -DPIC - else - # Don't build -fPIE without the default-PIE compiler and the - # hardened-pie patch - filter-flags -fPIE - fi -} - -want_nptl() { - [[ -z ${LT_VER} ]] && return 0 - want_tls || return 1 - use nptl || return 1 - - # Only list the arches that cannot do NPTL - case $(tc-arch) in - m68k) return 1;; - sparc) - # >= v9 is needed for nptl. - [[ ${PROFILE_ARCH} == "sparc" ]] && return 1 - ;; - esac - - return 0 -} - -want_linuxthreads() { - [[ -z ${LT_VER} ]] && return 1 - ! use nptlonly && return 0 - want_nptl || return 0 - return 1 -} - -want_tls() { - # Archs that can use TLS (Thread Local Storage) - case $(tc-arch) in - x86) - # requires i486 or better #106556 - [[ ${CTARGET} == i[4567]86* ]] && return 0 - return 1 - ;; - esac - - return 0 -} - -want__thread() { - want_tls || return 1 - - # For some reason --with-tls --with__thread is causing segfaults on sparc32. - [[ ${PROFILE_ARCH} == "sparc" ]] && return 1 - - [[ -n ${WANT__THREAD} ]] && return ${WANT__THREAD} - - # only test gcc -- cant test linking yet - tc-has-tls -c ${CTARGET} - WANT__THREAD=$? - - return ${WANT__THREAD} -} - -use_multiarch() { - # Make sure binutils is new enough to support indirect functions #336792 - local bver=$($(tc-getLD ${CTARGET}) -v | awk '{print $NF}') nver - case $(tc-arch ${CTARGET}) in - amd64|x86) nver="2.20" ;; - sparc) nver="2.21" ;; - *) return 1 ;; - esac - version_is_at_least ${nver} ${bver} -} - -# Setup toolchain variables that had historically -# been defined in the profiles for these archs. -setup_env() { - # silly users - unset LD_RUN_PATH - - multilib_env ${CTARGET_OPT:-${CTARGET}} - if is_crosscompile || tc-is-cross-compiler ; then - if ! use multilib ; then - MULTILIB_ABIS=${DEFAULT_ABI} - else - MULTILIB_ABIS=${MULTILIB_ABIS:-${DEFAULT_ABI}} - fi - - # If the user has CFLAGS_<CTARGET> in their make.conf, use that, - # and fall back on CFLAGS. - local VAR=CFLAGS_${CTARGET//[-.]/_} - CFLAGS=${!VAR-${CFLAGS}} - fi - - setup_flags - - export ABI=${ABI:-${DEFAULT_ABI:-default}} - - local VAR=CFLAGS_${ABI} - # We need to export CFLAGS with abi information in them because glibc's - # configure script checks CFLAGS for some targets (like mips). Keep - # around the original clean value to avoid appending multiple ABIs on - # top of each other. - : ${__GLIBC_CC:=$(tc-getCC ${CTARGET_OPT:-${CTARGET}})} - export __GLIBC_CC CC="${__GLIBC_CC} ${!VAR}" -} - -just_headers() { - is_crosscompile && use crosscompile_opts_headers-only -} |