diff options
Diffstat (limited to 'sys-libs/glibc/glibc-2.38-r10.ebuild')
| -rw-r--r-- | sys-libs/glibc/glibc-2.38-r10.ebuild | 1723 |
1 files changed, 0 insertions, 1723 deletions
diff --git a/sys-libs/glibc/glibc-2.38-r10.ebuild b/sys-libs/glibc/glibc-2.38-r10.ebuild deleted file mode 100644 index a60562d5f8ce..000000000000 --- a/sys-libs/glibc/glibc-2.38-r10.ebuild +++ /dev/null @@ -1,1723 +0,0 @@ -# Copyright 1999-2024 Gentoo Authors -# Distributed under the terms of the GNU General Public License v2 - -EAPI=8 - -# Bumping notes: https://wiki.gentoo.org/wiki/Project:Toolchain/sys-libs/glibc -# Please read & adapt the page as necessary if obsolete. - -PYTHON_COMPAT=( python3_{10..12} ) -TMPFILES_OPTIONAL=1 - -inherit python-any-r1 prefix preserve-libs toolchain-funcs flag-o-matic gnuconfig \ - multilib systemd multiprocessing tmpfiles - -DESCRIPTION="GNU libc C library" -HOMEPAGE="https://www.gnu.org/software/libc/" -LICENSE="LGPL-2.1+ BSD HPND ISC inner-net rc PCRE" -SLOT="2.2" - -EMULTILIB_PKG="true" - -# Gentoo patchset (ignored for live ebuilds) -PATCH_VER=10 -PATCH_DEV=dilfridge - -# gcc mulitilib bootstrap files version -GCC_BOOTSTRAP_VER=20201208 - -# systemd integration version -GLIBC_SYSTEMD_VER=20210729 - -# Minimum kernel version that glibc requires -MIN_KERN_VER="3.2.0" - -# Minimum pax-utils version needed (which contains any new syscall changes for -# its seccomp filter!). Please double check this! -MIN_PAX_UTILS_VER="1.3.3" - -if [[ ${PV} == 9999* ]]; then - inherit git-r3 -else - KEYWORDS="~alpha amd64 arm arm64 hppa ~ia64 ~loong ~m68k ~mips ppc ppc64 ~riscv ~s390 sparc x86" - SRC_URI="mirror://gnu/glibc/${P}.tar.xz" - SRC_URI+=" https://dev.gentoo.org/~${PATCH_DEV}/distfiles/${P}-patches-${PATCH_VER}.tar.xz" -fi - -SRC_URI+=" multilib-bootstrap? ( https://dev.gentoo.org/~dilfridge/distfiles/gcc-multilib-bootstrap-${GCC_BOOTSTRAP_VER}.tar.xz )" -SRC_URI+=" systemd? ( https://gitweb.gentoo.org/proj/toolchain/glibc-systemd.git/snapshot/glibc-systemd-${GLIBC_SYSTEMD_VER}.tar.gz )" - -IUSE="audit caps cet compile-locales +crypt custom-cflags doc gd hash-sysv-compat headers-only +multiarch multilib multilib-bootstrap nscd perl profile selinux +ssp stack-realign +static-libs suid systemd systemtap test vanilla" - -# Here's how the cross-compile logic breaks down ... -# CTARGET - machine that will target the binaries -# CHOST - machine that will host the binaries -# CBUILD - machine that will build the binaries -# If CTARGET != CHOST, it means you want a libc for cross-compiling. -# If CHOST != CBUILD, it means you want to cross-compile the libc. -# CBUILD = CHOST = CTARGET - native build/install -# CBUILD != (CHOST = CTARGET) - cross-compile a native build -# (CBUILD = CHOST) != CTARGET - libc for cross-compiler -# CBUILD != CHOST != CTARGET - cross-compile a libc for a cross-compiler -# For install paths: -# CHOST = CTARGET - install into / -# CHOST != CTARGET - install into /usr/CTARGET/ -# -export CBUILD=${CBUILD:-${CHOST}} -export CTARGET=${CTARGET:-${CHOST}} -if [[ ${CTARGET} == ${CHOST} ]] ; then - if [[ ${CATEGORY} == cross-* ]] ; then - export CTARGET=${CATEGORY#cross-} - fi -fi - -# Note [Disable automatic stripping] -# Disabling automatic stripping for a few reasons: -# - portage's attempt to strip breaks non-native binaries at least on -# arm: bug #697428 -# - portage's attempt to strip libpthread.so.0 breaks gdb thread -# enumeration: bug #697910. This is quite subtle: -# * gdb uses glibc's libthread_db-1.0.so to enumerate threads. -# * libthread_db-1.0.so needs access to libpthread.so.0 local symbols -# via 'ps_pglobal_lookup' symbol defined in gdb. -# * 'ps_pglobal_lookup' uses '.symtab' section table to resolve all -# known symbols in 'libpthread.so.0'. Specifically 'nptl_version' -# (unexported) is used to sanity check compatibility before enabling -# debugging. -# Also see https://sourceware.org/gdb/wiki/FAQ#GDB_does_not_see_any_threads_besides_the_one_in_which_crash_occurred.3B_or_SIGTRAP_kills_my_program_when_I_set_a_breakpoint -# * normal 'strip' command trims '.symtab' -# Thus our main goal here is to prevent 'libpthread.so.0' from -# losing it's '.symtab' entries. -# - similarly, valgrind requires knowledge about symbols in ld.so: -# bug #920753 -# As Gentoo's strip does not allow us to pass less aggressive stripping -# options and does not check the machine target we strip selectively. - -# We need a new-enough binutils/gcc to match upstream baseline. -# Also we need to make sure our binutils/gcc supports TLS, -# and that gcc already contains the hardened patches. -# Lastly, let's avoid some openssh nastiness, bug 708224, as -# convenience to our users. - -IDEPEND=" - !compile-locales? ( sys-apps/locale-gen ) -" -BDEPEND=" - ${PYTHON_DEPS} - >=app-misc/pax-utils-${MIN_PAX_UTILS_VER} - sys-devel/bison - compile-locales? ( sys-apps/locale-gen ) - doc? ( - dev-lang/perl - sys-apps/texinfo - ) - test? ( - dev-lang/perl - >=net-dns/libidn2-2.3.0 - ) -" -COMMON_DEPEND=" - gd? ( media-libs/gd:2= ) - nscd? ( selinux? ( - audit? ( sys-process/audit ) - caps? ( sys-libs/libcap ) - ) ) - suid? ( caps? ( sys-libs/libcap ) ) - selinux? ( sys-libs/libselinux ) - systemtap? ( dev-debug/systemtap ) -" -DEPEND="${COMMON_DEPEND} -" -RDEPEND="${COMMON_DEPEND} - !<app-misc/pax-utils-${MIN_PAX_UTILS_VER} - perl? ( dev-lang/perl ) -" - -RESTRICT="!test? ( test )" - -if [[ ${CATEGORY} == cross-* ]] ; then - BDEPEND+=" !headers-only? ( - >=${CATEGORY}/binutils-2.27 - >=${CATEGORY}/gcc-6.2 - )" - [[ ${CATEGORY} == *-linux* ]] && DEPEND+=" ${CATEGORY}/linux-headers" -else - BDEPEND+=" - >=sys-devel/binutils-2.27 - >=sys-devel/gcc-6.2 - " - DEPEND+=" virtual/os-headers " - RDEPEND+=" - >=net-dns/libidn2-2.3.0 - vanilla? ( !sys-libs/timezone-data ) - " - PDEPEND+=" !vanilla? ( sys-libs/timezone-data )" -fi - -# Ignore tests whitelisted below -GENTOO_GLIBC_XFAIL_TESTS="${GENTOO_GLIBC_XFAIL_TESTS:-yes}" - -# The following tests fail due to the Gentoo build system and are thus -# executed but ignored: -XFAIL_TEST_LIST=( - # buggy test, assumes /dev/ and /dev/null on a single filesystem - # 'mount --bind /dev/null /chroot/dev/null' breaks it. - # https://sourceware.org/PR25909 - tst-support_descriptors - - # The following tests fail only inside portage - # https://bugs.gentoo.org/831267 - tst-system - tst-strerror - tst-strsignal - # Fails with certain PORTAGE_NICENESS/PORTAGE_SCHEDULING_POLICY - tst-sched1 -) - -XFAIL_NSPAWN_TEST_LIST=( - # These tests need to be adapted to handle EPERM/ENOSYS(?) properly - # upstream, as systemd-nspawn's default seccomp whitelist is too strict. - # https://sourceware.org/PR30603 - test-errno-linux - tst-bz21269 - tst-mlock2 - tst-ntp_gettime - tst-ntp_gettime-time64 - tst-ntp_gettimex - tst-ntp_gettimex-time64 - tst-pkey - tst-process_mrelease - tst-adjtime - tst-adjtime-time64 - tst-clock2 - tst-clock2-time64 - - # These fail if --suppress-sync and/or low priority is set - tst-sync_file_range - test-errno -) - -# -# Small helper functions -# - -dump_build_environment() { - einfo ==== glibc build environment ======================================================== - local v - for v in ABI CBUILD CHOST CTARGET CBUILD_OPT CTARGET_OPT CC CXX CPP LD {AS,C,CPP,CXX,LD}FLAGS MAKEINFO NM AR AS STRIP RANLIB OBJCOPY STRINGS OBJDUMP READELF; do - einfo " $(printf '%15s' ${v}:) ${!v}" - done - einfo ===================================================================================== -} - -is_crosscompile() { - [[ ${CHOST} != ${CTARGET} ]] -} - -just_headers() { - is_crosscompile && use headers-only -} - -alt_prefix() { - is_crosscompile && echo /usr/${CTARGET} -} - -# This prefix is applicable to CHOST when building against this -# glibc. It is baked into the library at configure time. -host_eprefix() { - is_crosscompile || echo "${EPREFIX}" -} - -# This prefix is applicable to CBUILD when building against this -# glibc. It determines the destination path at install time. -build_eprefix() { - is_crosscompile && echo "${EPREFIX}" -} - -# 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. -alt_headers() { - echo ${ALT_HEADERS:=$(alt_prefix)/usr/include} -} - -alt_build_headers() { - if [[ -z ${ALT_BUILD_HEADERS} ]] ; then - ALT_BUILD_HEADERS="$(host_eprefix)$(alt_headers)" - if tc-is-cross-compiler ; then - ALT_BUILD_HEADERS=${SYSROOT}$(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_libdir() { - echo $(alt_prefix)/$(get_libdir) -} -alt_usrlibdir() { - echo $(alt_prefix)/usr/$(get_libdir) -} - -builddir() { - echo "${WORKDIR}/build-${ABI}-${CTARGET}-$1" -} - -do_compile_test() { - local ret save_cflags=${CFLAGS} - CFLAGS+=" $1" - shift - - pushd "${T}" >/dev/null - - rm -f glibc-test* - printf '%b' "$*" > glibc-test.c - - # We assume CC is already set up. - nonfatal emake glibc-test - ret=$? - - popd >/dev/null - - CFLAGS=${save_cflags} - return ${ret} -} - -do_run_test() { - local ret - - if [[ ${MERGE_TYPE} == "binary" ]] ; then - # ignore build failures when installing a binary package #324685 - do_compile_test "" "$@" 2>/dev/null || return 0 - else - if ! do_compile_test "" "$@" ; then - ewarn "Simple build failed ... assuming this is desired #324685" - return 0 - fi - fi - - pushd "${T}" >/dev/null - - ./glibc-test - ret=$? - rm -f glibc-test* - - popd >/dev/null - - return ${ret} -} - -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 $(tc-arch) in - x86) - # -march needed for #185404 #199334 - # TODO: When creating the first glibc cross-compile, this test will - # always fail as it does a full link which in turn requires glibc. - # Probably also applies when changing multilib profile settings (e.g. - # enabling x86 when the profile was amd64-only previously). - # We could change main to _start and pass -nostdlib here so that we - # only test the gcc code compilation. Or we could do a compile and - # then look for the symbol via scanelf. - if ! do_compile_test "" 'void f(int i, void *p) {if (__sync_fetch_and_add(&i, 1)) f(i, p);}\nint main(){return 0;}\n'; then - local t=${CTARGET_OPT:-${CTARGET}} - t=${t%%-*} - filter-flags '-march=*' - export CFLAGS="-march=${t} ${CFLAGS}" - einfo "Auto adding -march=${t} to CFLAGS #185404" - fi - # For compatibility with older binaries at slight performance cost. - use stack-realign && export CFLAGS+=" -mstackrealign" - ;; - amd64) - # -march needed for #185404 #199334 - # TODO: See cross-compile issues listed above for x86. - if [[ ${ABI} == x86 ]]; then - if ! do_compile_test "${CFLAGS_x86}" 'void f(int i, void *p) {if (__sync_fetch_and_add(&i, 1)) f(i, p);}\nint main(){return 0;}\n'; then - local t=${CTARGET_OPT:-${CTARGET}} - t=${t%%-*} - # Normally the target is x86_64-xxx, so turn that into the -march that - # gcc actually accepts. #528708 - [[ ${t} == "x86_64" ]] && t="x86-64" - filter-flags '-march=*' - # ugly, ugly, ugly. ugly. - CFLAGS_x86=$(CFLAGS=${CFLAGS_x86} filter-flags '-march=*'; echo "${CFLAGS}") - export CFLAGS_x86="${CFLAGS_x86} -march=${t}" - einfo "Auto adding -march=${t} to CFLAGS_x86 #185404 (ABI=${ABI})" - fi - # For compatibility with older binaries at slight performance cost. - use stack-realign && export CFLAGS_x86+=" -mstackrealign" - - # Workaround for bug #823780. - # Need to save/restore CC because earlier on, we stuff it full of CFLAGS, and tc-getCPP doesn't like that. - CC_mangled=${CC} - CC=${glibc__GLIBC_CC} - if tc-is-gcc && (($(gcc-major-version) == 11)) && (($(gcc-minor-version) <= 2)) && (($(gcc-micro-version) == 0)) ; then - export CFLAGS_x86="${CFLAGS_x86} -mno-avx512f" - einfo "Auto adding -mno-avx512f to CFLAGS_x86 for buggy GCC version (bug #823780) (ABI=${ABI})" - fi - CC=${CC_mangled} - fi - ;; - mips) - # The mips abi cannot support the GNU style hashes. #233233 - filter-ldflags -Wl,--hash-style=gnu -Wl,--hash-style=both - ;; - ppc|ppc64) - # Many arch-specific implementations do not work on ppc with - # cache-block not equal to 128 bytes. This breaks memset: - # https://sourceware.org/PR26522 - # https://bugs.gentoo.org/737996 - # Use default -mcpu=. For ppc it means non-multiarch setup. - filter-flags '-mcpu=*' - ;; - sparc) - # Both sparc and sparc64 can use -fcall-used-g6. -g7 is bad, though. - filter-flags "-fcall-used-g7" - append-flags "-fcall-used-g6" - - local cpu - case ${CTARGET} in - sparc64-*) - cpu="sparc64" - case $(get-flag mcpu) in - v9) - # We need to force at least v9a because the base build doesn't - # work with just v9. - # https://sourceware.org/bugzilla/show_bug.cgi?id=19477 - append-flags "-Wa,-xarch=v9a" - ;; - esac - ;; - sparc-*) - case $(get-flag mcpu) in - v8|supersparc|hypersparc|leon|leon3) - cpu="sparcv8" - ;; - *) - cpu="sparcv9" - ;; - esac - ;; - esac - [[ -n ${cpu} ]] && CTARGET_OPT="${cpu}-${CTARGET#*-}" - ;; - esac -} - -setup_flags() { - # Make sure host make.conf doesn't pollute us - if is_crosscompile || tc-is-cross-compiler ; then - CHOST=${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=${ASFLAGS_BASE} - - # Allow users to explicitly avoid flag sanitization via - # USE=custom-cflags. - if ! use custom-cflags; then - # Over-zealous CFLAGS can often cause problems. What may work for one - # person may not work for another. To avoid a large influx of bugs - # relating to failed builds, we strip most CFLAGS out to ensure as few - # problems as possible. - strip-flags - # Lock glibc at -O2; we want to be conservative here. - filter-flags '-O?' - append-flags -O2 - fi - - strip-unsupported-flags - filter-lto - filter-flags -m32 -m64 '-mabi=*' - - # glibc aborts if rpath is set by LDFLAGS - filter-ldflags '-Wl,-rpath=*' - - # ld can't use -r & --relax at the same time, bug #788901 - # https://sourceware.org/PR27837 - filter-ldflags '-Wl,--relax' - - # Flag added for cross-prefix, but causes ldconfig to segfault. Not needed - # anyway because glibc already handles this by itself. - filter-ldflags '-Wl,--dynamic-linker=*' - - # some weird software relies on sysv hashes in glibc, bug 863863, bug 864100 - # we have to do that here already so mips can filter it out again :P - if use hash-sysv-compat ; then - append-ldflags '-Wl,--hash-style=both' - fi - - # #492892 - filter-flags -frecord-gcc-switches - - # #898098 - filter-flags -fno-builtin - - # #829583 - filter-lfs-flags - - unset CBUILD_OPT CTARGET_OPT - if use multilib ; then - CTARGET_OPT=$(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 - - # glibc's headers disallow -O0 and fail at build time: - # include/libc-symbols.h:75:3: #error "glibc cannot be compiled without optimization" - # https://sourceware.org/glibc/wiki/FAQ#Why_do_I_get:.60.23error_.22glibc_cannot_be_compiled_without_optimization.22.27.2C_when_trying_to_compile_GNU_libc_with_GNU_CC.3F - replace-flags -O0 -O1 - - # glibc handles this internally already where it's appropriate; - # can't always have SSP when we're the ones setting it up, etc - filter-flags '-fstack-protector*' - - # Similar issues as with SSP. Can't inject yourself that early. - filter-flags '-fsanitize=*' - - # See end of bug #830454; we handle this via USE=cet - filter-flags '-fcf-protection=*' - - # When bootstrapping, we may have a situation where - # CET-enabled gcc from seed is used to build CET-disabled - # glibc. As such, gcc implicitly enables CET if no - # -fcf-protection flag is passed. For a typical package it - # should not be a problem, but for glibc it matters as it is - # dealing with CET in ld.so. So if CET is supposed to be - # disabled for glibc, be explicit about it. - if (use amd64 || use x86) && ! use cet; then - append-flags '-fcf-protection=none' - fi -} - -use_multiarch() { - # Allow user to disable runtime arch detection in multilib. - use multiarch || return 1 - # Make sure binutils is new enough to support indirect functions, - # #336792. This funky sed supports gold and bfd linkers. - local bver nver - bver=$($(tc-getLD ${CTARGET}) -v | sed -n -r '1{s:[^0-9]*::;s:^([0-9.]*).*:\1:;p}') - case $(tc-arch ${CTARGET}) in - amd64|x86) nver="2.20" ;; - arm) nver="2.22" ;; - hppa) nver="2.23" ;; - ppc|ppc64) nver="2.20" ;; - # ifunc support was added in 2.23, but glibc also needs - # machinemode which is in 2.24. - s390) nver="2.24" ;; - sparc) nver="2.21" ;; - *) return 1 ;; - esac - ver_test ${bver} -ge ${nver} -} - -# Setup toolchain variables that had historically been defined in the -# profiles for these archs. -setup_env() { - # silly users - unset LD_RUN_PATH - unset LD_ASSUME_KERNEL - - if is_crosscompile || tc-is-cross-compiler ; then - multilib_env ${CTARGET_OPT:-${CTARGET}} - - 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}} - einfo " $(printf '%15s' 'Manual CFLAGS:') ${CFLAGS}" - fi - - setup_flags - - export ABI=${ABI:-${DEFAULT_ABI:-default}} - - if just_headers ; then - # Avoid mixing host's CC and target's CFLAGS_${ABI}: - # At this bootstrap stage we have only binutils for - # target but not compiler yet. - einfo "Skip CC ABI injection. We can't use (cross-)compiler yet." - return 0 - fi - - # Glibc does not work with gold (for various reasons) #269274. - tc-ld-disable-gold - - if use doc ; then - export MAKEINFO=makeinfo - else - export MAKEINFO=/dev/null - fi - - # Reset CC and CXX to the value at start of emerge - export CC=${glibc__ORIG_CC:-${CC:-$(tc-getCC ${CTARGET})}} - export CXX=${glibc__ORIG_CXX:-${CXX:-$(tc-getCXX ${CTARGET})}} - - # and make sure glibc__ORIG_CC and glibc__ORIG_CXX is defined now. - export glibc__ORIG_CC=${CC} - export glibc__ORIG_CXX=${CXX} - - if tc-is-clang && ! use custom-cflags && ! is_crosscompile ; then - export glibc__force_gcc=yes - # once this is toggled on, it needs to stay on, since with CPP manipulated - # tc-is-clang does not work correctly anymore... - fi - - if [[ ${glibc__force_gcc} == "yes" ]] ; then - # If we are running in an otherwise clang/llvm environment, we need to - # recover the proper gcc and binutils settings here, at least until glibc - # is finally building with clang. So let's override everything that is - # set in the clang profiles. - # Want to shoot yourself into the foot? Set USE=custom-cflags, that's always - # a good start into that direction. - # Also, if you're crosscompiling, let's assume you know what you are doing. - # Hopefully. - # Last, we need the settings of the *build* environment, not of the - # target environment... - - local current_binutils_path=$(env ROOT="${BROOT}" binutils-config -B) - local current_gcc_path=$(env ROOT="${BROOT}" gcc-config -B) - einfo "Overriding clang configuration, since it won't work here" - - export CC="${current_gcc_path}/gcc" - export CPP="${current_gcc_path}/cpp" - export CXX="${current_gcc_path}/g++" - export LD="${current_binutils_path}/ld.bfd" - export AR="${current_binutils_path}/ar" - export AS="${current_binutils_path}/as" - export NM="${current_binutils_path}/nm" - export STRIP="${current_binutils_path}/strip" - export RANLIB="${current_binutils_path}/ranlib" - export OBJCOPY="${current_binutils_path}/objcopy" - export STRINGS="${current_binutils_path}/strings" - export OBJDUMP="${current_binutils_path}/objdump" - export READELF="${current_binutils_path}/readelf" - export ADDR2LINE="${current_binutils_path}/addr2line" - - # do we need to also do flags munging here? yes! at least... - filter-flags '-fuse-ld=*' - filter-flags '-D_FORTIFY_SOURCE=*' - - else - - # this is the "normal" case - - export CC="$(tc-getCC ${CTARGET})" - export CXX="$(tc-getCXX ${CTARGET})" - - # Always use tuple-prefixed toolchain. For non-native ABI glibc's configure - # can't detect them automatically due to ${CHOST} mismatch and fallbacks - # to unprefixed tools. Similar to multilib.eclass:multilib_toolchain_setup(). - export NM="$(tc-getNM ${CTARGET})" - export READELF="$(tc-getREADELF ${CTARGET})" - - fi - - # We need to export CFLAGS with abi information in them because glibc's - # configure script checks CFLAGS for some targets (like mips). Keep - # around the original clean value to avoid appending multiple ABIs on - # top of each other. (Why does the comment talk about CFLAGS if the code - # acts on CC?) - export glibc__GLIBC_CC=${CC} - export glibc__GLIBC_CXX=${CXX} - - export glibc__abi_CFLAGS="$(get_abi_CFLAGS)" - - # CFLAGS can contain ABI-specific flags like -mfpu=neon, see bug #657760 - # To build .S (assembly) files with the same ABI-specific flags - # upstream currently recommends adding CFLAGS to CC/CXX: - # https://sourceware.org/PR23273 - # Note: Passing CFLAGS via CPPFLAGS overrides glibc's arch-specific CFLAGS - # and breaks multiarch support. See 659030#c3 for an example. - # The glibc configure script doesn't properly use LDFLAGS all the time. - export CC="${glibc__GLIBC_CC} ${glibc__abi_CFLAGS} ${CFLAGS} ${LDFLAGS}" - - # Some of the tests are written in C++, so we need to force our multlib abis in, bug 623548 - export CXX="${glibc__GLIBC_CXX} ${glibc__abi_CFLAGS} ${CFLAGS}" - - if is_crosscompile; then - # Assume worst-case bootstrap: glibc is built for the first time - # with ${CTARGET}-g++ not available yet. We avoid - # building auxiliary programs that require C++: bug #683074 - # It should not affect final result. - export libc_cv_cxx_link_ok=no - # The line above has the same effect. We set CXX explicitly - # to make build logs less confusing. - export CXX= - fi -} - -foreach_abi() { - setup_env - - local ret=0 - local abilist="" - if use multilib ; then - abilist=$(get_install_abis) - else - abilist=${DEFAULT_ABI} - fi - local -x ABI - for ABI in ${abilist:-default} ; do - setup_env - einfo "Running $1 for ABI ${ABI}" - $1 - : $(( ret |= $? )) - done - return ${ret} -} - -glibc_banner() { - local b="Gentoo ${PVR}" - [[ -n ${PATCH_VER} ]] && ! use vanilla && b+=" (patchset ${PATCH_VER})" - echo "${b}" -} - -# The following Kernel version handling functions are mostly copied from portage -# source. It's better not to use linux-info.eclass here since a) it adds too -# much magic, see bug 326693 for some of the arguments, and b) some of the -# functions are just not provided. - -g_get_running_KV() { - uname -r - return $? -} - -g_KV_major() { - [[ -z $1 ]] && return 1 - local KV=$@ - echo "${KV%%.*}" -} - -g_KV_minor() { - [[ -z $1 ]] && return 1 - local KV=$@ - KV=${KV#*.} - echo "${KV%%.*}" -} - -g_KV_micro() { - [[ -z $1 ]] && return 1 - local KV=$@ - KV=${KV#*.*.} - echo "${KV%%[^[:digit:]]*}" -} - -g_KV_to_int() { - [[ -z $1 ]] && return 1 - local KV_MAJOR=$(g_KV_major "$1") - local KV_MINOR=$(g_KV_minor "$1") - local KV_MICRO=$(g_KV_micro "$1") - local KV_int=$(( KV_MAJOR * 65536 + KV_MINOR * 256 + KV_MICRO )) - - # We make version 2.2.0 the minimum version we will handle as - # a sanity check ... if its less, we fail ... - if [[ ${KV_int} -ge 131584 ]] ; then - echo "${KV_int}" - return 0 - fi - return 1 -} - -g_int_to_KV() { - local version=$1 major minor micro - major=$((version / 65536)) - minor=$(((version % 65536) / 256)) - micro=$((version % 256)) - echo ${major}.${minor}.${micro} -} - -eend_KV() { - [[ $(g_KV_to_int $1) -ge $(g_KV_to_int $2) ]] - eend $? -} - -get_kheader_version() { - printf '#include <linux/version.h>\nLINUX_VERSION_CODE\n' | \ - $(tc-getCPP ${CTARGET}) -I "$(build_eprefix)$(alt_build_headers)" - | \ - tail -n 1 -} - -# We collect all sanity checks here. Consistency is not guranteed between -# pkg_ and src_ phases, so we call this function both in pkg_pretend and in -# src_unpack. -sanity_prechecks() { - # Prevent native builds from downgrading - if [[ ${MERGE_TYPE} != "buildonly" ]] && \ - [[ -z ${ROOT} ]] && \ - [[ ${CBUILD} == ${CHOST} ]] && \ - [[ ${CHOST} == ${CTARGET} ]] ; then - - # The high rev # is to allow people to downgrade between -r# - # versions. We want to block 2.20->2.19, but 2.20-r3->2.20-r2 - # should be fine. Hopefully we never actually use a r# this - # high. - if has_version ">${CATEGORY}/${P}-r10000" ; then - eerror "Sanity check to keep you from breaking your system:" - eerror " Downgrading glibc is not supported and a sure way to destruction." - [[ ${I_ALLOW_TO_BREAK_MY_SYSTEM} = yes ]] || die "Aborting to save your system." - fi - - if ! do_run_test '#include <unistd.h>\n#include <sys/syscall.h>\nint main(){return syscall(1000)!=-1;}\n' ; then - eerror "Your old kernel is broken. You need to update it to a newer" - eerror "version as syscall(<bignum>) will break. See bug 279260." - die "Old and broken kernel." - fi - fi - - if [[ ${CTARGET} == i386-* ]] ; then - eerror "i386 CHOSTs are no longer supported." - eerror "Chances are you don't actually want/need i386." - eerror "Please read https://www.gentoo.org/doc/en/change-chost.xml" - die "Please fix your CHOST" - fi - - if [[ -e /proc/xen ]] && [[ $(tc-arch) == "x86" ]] && ! is-flag -mno-tls-direct-seg-refs ; then - ewarn "You are using Xen but don't have -mno-tls-direct-seg-refs in your CFLAGS." - ewarn "This will result in a 50% performance penalty when running with a 32bit" - ewarn "hypervisor, which is probably not what you want." - fi - - # ABI-specific checks follow here. Hey, we have a lot more specific conditions that - # we test for... - if ! is_crosscompile ; then - if use amd64 && use multilib && [[ ${MERGE_TYPE} != "binary" ]] ; then - ebegin "Checking that IA32 emulation is enabled in the running kernel" - echo 'int main(){return 0;}' > "${T}/check-ia32-emulation.c" - local STAT - if ${CC-${CHOST}-gcc} ${CFLAGS_x86} "${T}/check-ia32-emulation.c" -o "${T}/check-ia32-emulation.elf32"; then - "${T}/check-ia32-emulation.elf32" - STAT=$? - else - # Don't fail here to allow single->multi ABI switch - # or recover from breakage like bug #646424 - ewarn "Failed to compile the ABI test. Broken host glibc?" - STAT=0 - fi - rm -f "${T}/check-ia32-emulation.elf32" - eend $STAT - [[ $STAT -eq 0 ]] || die "CONFIG_IA32_EMULATION must be enabled in the kernel to compile a multilib glibc." - fi - - fi - - # When we actually have to compile something... - if ! just_headers && [[ ${MERGE_TYPE} != "binary" ]] ; then - if [[ -d "${ESYSROOT}"/usr/lib/include ]] ; then - # bug #833620, bug #643302 - eerror "Found ${ESYSROOT}/usr/lib/include directory!" - eerror "This is known to break glibc's build." - eerror "Please backup its contents then remove the directory." - die "Found directory (${ESYSROOT}/usr/lib/include) which will break build (bug #833620)!" - fi - - if [[ ${CTARGET} == *-linux* ]] ; then - local run_kv build_kv want_kv - - run_kv=$(g_get_running_KV) - build_kv=$(g_int_to_KV $(get_kheader_version)) - want_kv=${MIN_KERN_VER} - - if ! is_crosscompile && ! tc-is-cross-compiler ; then - # Building fails on an non-supporting kernel - ebegin "Checking running kernel version (${run_kv} >= ${want_kv})" - if ! eend_KV ${run_kv} ${want_kv} ; then - echo - eerror "You need a kernel of at least ${want_kv}!" - die "Kernel version too low!" - fi - fi - - # Do not run this check for pkg_pretend, just pkg_setup and friends (if we ever get used there). - # It's plausible (seen it in the wild) that Portage will (correctly) schedule a linux-headers - # upgrade before glibc, but because pkg_pretend gets run before any packages are merged at all (not - # just glibc), the whole emerge gets aborted without a good reason. We probably don't - # need to run this check at all given we have a dependency on the right headers, - # but let's leave it as-is for now. - if [[ ${EBUILD_PHASE_FUNC} != pkg_pretend ]] ; then - ebegin "Checking linux-headers version (${build_kv} >= ${want_kv})" - if ! eend_KV ${build_kv} ${want_kv} ; then - echo - eerror "You need linux-headers of at least ${want_kv}!" - die "linux-headers version too low!" - fi - fi - fi - fi -} - -upgrade_warning() { - is_crosscompile && return - - if [[ ${MERGE_TYPE} != buildonly && -n ${REPLACING_VERSIONS} && -z ${ROOT} ]]; then - local oldv newv=$(ver_cut 1-2 ${PV}) - for oldv in ${REPLACING_VERSIONS}; do - if ver_test ${oldv} -lt ${newv}; then - ewarn "After upgrading glibc, please restart all running processes." - ewarn "Be sure to include init (telinit u) or systemd (systemctl daemon-reexec)." - ewarn "Alternatively, reboot your system." - ewarn "(See bug #660556, bug #741116, bug #823756, etc)" - break - fi - done - fi -} - -# -# the phases -# - -# pkg_pretend - -pkg_pretend() { - upgrade_warning -} - -# pkg_setup - -pkg_setup() { - # see bug 682570 - [[ -z ${BOOTSTRAP_RAP} ]] && python-any-r1_pkg_setup -} - -# src_unpack - -src_unpack() { - setup_env - - einfo "Checking general environment sanity." - sanity_prechecks - - use multilib-bootstrap && unpack gcc-multilib-bootstrap-${GCC_BOOTSTRAP_VER}.tar.xz - - if [[ ${PV} == 9999* ]] ; then - EGIT_REPO_URI="https://anongit.gentoo.org/git/proj/toolchain/glibc-patches.git" - EGIT_CHECKOUT_DIR=${WORKDIR}/patches-git - git-r3_src_unpack - mv patches-git/9999 patches || die - - EGIT_REPO_URI="https://sourceware.org/git/glibc.git" - EGIT_CHECKOUT_DIR=${S} - git-r3_src_unpack - else - unpack ${P}.tar.xz - - cd "${WORKDIR}" || die - unpack glibc-${PV}-patches-${PATCH_VER}.tar.xz - fi - - cd "${WORKDIR}" || die - use systemd && unpack glibc-systemd-${GLIBC_SYSTEMD_VER}.tar.gz -} - -# src_prepare - -src_prepare() { - local patchsetname - if ! use vanilla ; then - if [[ ${PV} == 9999* ]] ; then - patchsetname="from git master" - else - patchsetname="${PV}-${PATCH_VER}" - fi - einfo "Applying Gentoo Glibc patchset ${patchsetname}" - eapply "${WORKDIR}"/patches - einfo "Done." - fi - - default - - gnuconfig_update - - cd "${WORKDIR}" || die - find . -name configure -exec touch {} + - - # Fix permissions on some of the scripts. - chmod u+x "${S}"/scripts/*.sh - - cd "${S}" || die -} - -# src_configure - -glibc_do_configure() { - dump_build_environment - - local myconf=() - - # Use '=strong' instead of '=all' to protect only functions - # worth protecting from stack smashes. - myconf+=( --enable-stack-protector=$(usex ssp strong no) ) - - # Keep a whitelist of targets supporing IFUNC. glibc's ./configure - # is not robust enough to detect proper support: - # https://bugs.gentoo.org/641216 - # https://sourceware.org/PR22634#c0 - case $(tc-arch ${CTARGET}) in - # Keep whitelist of targets where autodetection mostly works. - amd64|x86|sparc|ppc|ppc64|arm|arm64|s390|riscv|loong) ;; - # Blacklist everywhere else - *) myconf+=( libc_cv_ld_gnu_indirect_function=no ) ;; - esac - - # Enable Intel Control-flow Enforcement Technology on amd64 if requested - case ${CTARGET} in - x86_64-*) myconf+=( $(use_enable cet) ) ;; - *) ;; - esac - - [[ $(tc-is-softfloat) == "yes" ]] && myconf+=( --without-fp ) - - myconf+=( --enable-kernel=${MIN_KERN_VER} ) - - # Since SELinux support is only required for nscd, only enable it if: - # 1. USE selinux - # 2. only for the primary ABI on multilib systems - # 3. Not a crosscompile - if ! is_crosscompile && use selinux ; then - if use multilib ; then - if is_final_abi ; then - myconf+=( --with-selinux ) - else - myconf+=( --without-selinux ) - fi - else - myconf+=( --with-selinux ) - fi - else - myconf+=( --without-selinux ) - fi - - # Force a few tests where we always know the answer but - # configure is incapable of finding it. - if is_crosscompile ; then - export \ - libc_cv_c_cleanup=yes \ - libc_cv_forced_unwind=yes - fi - - myconf+=( - --disable-werror - --enable-bind-now - --enable-fortify-source - --build=${CBUILD_OPT:-${CBUILD}} - --host=${CTARGET_OPT:-${CTARGET}} - $(use_enable profile) - $(use_with gd) - --with-headers=$(build_eprefix)$(alt_build_headers) - --prefix="$(host_eprefix)/usr" - --sysconfdir="$(host_eprefix)/etc" - --localstatedir="$(host_eprefix)/var" - --libdir='$(prefix)'/$(get_libdir) - --mandir='$(prefix)'/share/man - --infodir='$(prefix)'/share/info - --libexecdir='$(libdir)'/misc/glibc - --with-bugurl=https://bugs.gentoo.org/ - --with-pkgversion="$(glibc_banner)" - $(use_enable crypt) - $(use_multiarch || echo --disable-multi-arch) - $(use_enable systemtap) - $(use_enable nscd) - - # /usr/bin/mtrace has a Perl shebang. Gentoo Prefix QA checks fail if - # Perl hasn't been installed inside the prefix yet and configure picks - # up a Perl from outside the prefix instead. configure will fail to - # execute Perl during configure if we're cross-compiling a prefix, but - # it will just disable mtrace in that case. - # Note: mtrace is needed by the test suite. - ac_cv_path_PERL="$(usex perl "${EPREFIX}"/usr/bin/perl $(usex test "${EPREFIX}"/usr/bin/perl $(usex doc "${EPREFIX}"/usr/bin/perl no)))" - - # locale data is arch-independent - # https://bugs.gentoo.org/753740 - libc_cv_complocaledir='${exec_prefix}/lib/locale' - - # On aarch64 there is no way to override -mcpu=native, and if - # the current cpu does not support SVE configure fails. - # Let's boldly assume our toolchain can always build SVE instructions. - libc_cv_aarch64_sve_asm=yes - - ${EXTRA_ECONF} - ) - - # We rely on sys-libs/timezone-data for timezone tools normally. - myconf+=( $(use_enable vanilla timezone-tools) ) - - # These libs don't have configure flags. - ac_cv_lib_audit_audit_log_user_avc_message=$(usex audit || echo no) - ac_cv_lib_cap_cap_init=$(usex caps || echo no) - - # There is no configure option for this and we need to export it - # since the glibc build will re-run configure on itself - export libc_cv_rootsbindir="$(host_eprefix)/sbin" - export libc_cv_slibdir="$(host_eprefix)/$(get_libdir)" - - local builddir=$(builddir nptl) - mkdir -p "${builddir}" - cd "${builddir}" - set -- "${S}"/configure "${myconf[@]}" - echo "$@" - "$@" || die "failed to configure glibc" - - # ia64 static cross-compilers are a pita in so much that they - # can't produce static ELFs (as the libgcc.a is broken). so - # disable building of the programs for those targets if it - # doesn't work. - # XXX: We could turn this into a compiler test, but ia64 is - # the only one that matters, so this should be fine for now. - if is_crosscompile && [[ ${CTARGET} == ia64* ]] ; then - sed -i '1i+link-static = touch $@' config.make - fi - - # If we're trying to migrate between ABI sets, we need - # to lie and use a local copy of gcc. Like if the system - # is built with MULTILIB_ABIS="amd64 x86" but we want to - # add x32 to it, gcc/glibc don't yet support x32. - # - if [[ -n ${GCC_BOOTSTRAP_VER} ]] && use multilib-bootstrap ; then - echo 'int main(void){}' > "${T}"/test.c || die - if ! $(tc-getCC ${CTARGET}) ${CFLAGS} ${LDFLAGS} "${T}"/test.c -Wl,-emain -lgcc 2>/dev/null ; then - sed -i -e '/^CC = /s:$: -B$(objdir)/../'"gcc-multilib-bootstrap-${GCC_BOOTSTRAP_VER}/${ABI}:" config.make || die - fi - fi -} - -glibc_headers_configure() { - export ABI=default - - local builddir=$(builddir "headers") - mkdir -p "${builddir}" - cd "${builddir}" - - # if we don't have a compiler yet, we can't really test it now ... - # hopefully they don't affect header generation, so let's hope for - # the best here ... - local v vars=( - ac_cv_header_cpuid_h=yes - libc_cv_{386,390,alpha,arm,hppa,ia64,mips,{powerpc,sparc}{,32,64},sh,x86_64}_tls=yes - libc_cv_asm_cfi_directives=yes - libc_cv_broken_visibility_attribute=no - libc_cv_c_cleanup=yes - libc_cv_compiler_powerpc64le_binary128_ok=yes - libc_cv_forced_unwind=yes - libc_cv_gcc___thread=yes - libc_cv_mlong_double_128=yes - libc_cv_mlong_double_128ibm=yes - libc_cv_ppc_machine=yes - libc_cv_ppc_rel16=yes - libc_cv_predef_fortify_source=no - libc_cv_target_power8_ok=yes - libc_cv_visibility_attribute=yes - libc_cv_z_combreloc=yes - libc_cv_z_execstack=yes - libc_cv_z_initfirst=yes - libc_cv_z_nodelete=yes - libc_cv_z_nodlopen=yes - libc_cv_z_relro=yes - libc_mips_abi=${ABI} - libc_mips_float=$([[ $(tc-is-softfloat) == "yes" ]] && echo soft || echo hard) - # These libs don't have configure flags. - ac_cv_lib_audit_audit_log_user_avc_message=no - ac_cv_lib_cap_cap_init=no - ) - - einfo "Forcing cached settings:" - for v in "${vars[@]}" ; do - einfo " ${v}" - export ${v} - done - - local headers_only_arch_CPPFLAGS=() - - # Blow away some random CC settings that screw things up. #550192 - if [[ -d ${S}/sysdeps/mips ]]; then - pushd "${S}"/sysdeps/mips >/dev/null - sed -i -e '/^CC +=/s:=.*:= -D_MIPS_SZPTR=32:' mips32/Makefile mips64/n32/Makefile || die - sed -i -e '/^CC +=/s:=.*:= -D_MIPS_SZPTR=64:' mips64/n64/Makefile || die - - # Force the mips ABI to the default. This is OK because the set of - # installed headers in this phase is the same between the 3 ABIs. - # If this ever changes, this hack will break, but that's unlikely - # as glibc discourages that behavior. - # https://crbug.com/647033 - sed -i -e 's:abiflag=.*:abiflag=_ABIO32:' preconfigure || die - - popd >/dev/null - fi - - local myconf=() - - case ${CTARGET} in - aarch64*) - # The configure checks fail during cross-build, so disable here - # for headers-only - myconf+=( - --disable-mathvec - ) ;; - riscv*) - # RISC-V interrogates the compiler to determine which target to - # build. If building the headers then we don't strictly need a - # RISC-V compiler, so the built-in definitions that are provided - # along with all RISC-V compiler might not exist. This causes - # glibc's RISC-V preconfigure script to blow up. Since we're just - # building the headers any value will actually work here, so just - # pick the standard one (rv64g/lp64d) to make the build scripts - # happy for now -- the headers are all the same anyway so it - # doesn't matter. - headers_only_arch_CPPFLAGS+=( - -D__riscv_xlen=64 - -D__riscv_flen=64 - -D__riscv_float_abi_double=1 - -D__riscv_atomic=1 - ) ;; - esac - - myconf+=( - --disable-sanity-checks - --enable-hacker-mode - --disable-werror - --enable-bind-now - --build=${CBUILD_OPT:-${CBUILD}} - --host=${CTARGET_OPT:-${CTARGET}} - --with-headers=$(build_eprefix)$(alt_build_headers) - --prefix="$(host_eprefix)/usr" - $(use_enable crypt) - ${EXTRA_ECONF} - ) - - # Nothing is compiled here which would affect the headers for the target. - # So forcing CC/CFLAGS is sane. - local headers_only_CC=$(tc-getBUILD_CC) - local headers_only_CFLAGS="-O1 -pipe" - local headers_only_CPPFLAGS="-U_FORTIFY_SOURCE ${headers_only_arch_CPPFLAGS[*]}" - local headers_only_LDFLAGS="" - set -- "${S}"/configure "${myconf[@]}" - echo \ - "CC=${headers_only_CC}" \ - "CFLAGS=${headers_only_CFLAGS}" \ - "CPPFLAGS=${headers_only_CPPFLAGS}" \ - "LDFLAGS=${headers_only_LDFLAGS}" \ - "$@" - CC=${headers_only_CC} \ - CFLAGS=${headers_only_CFLAGS} \ - CPPFLAGS=${headers_only_CPPFLAGS} \ - LDFLAGS="" \ - "$@" || die "failed to configure glibc" -} - -do_src_configure() { - if just_headers ; then - glibc_headers_configure - else - glibc_do_configure nptl - fi -} - -src_configure() { - foreach_abi do_src_configure -} - -# src_compile - -do_src_compile() { - emake -C "$(builddir nptl)" -} - -src_compile() { - if just_headers ; then - return - fi - - foreach_abi do_src_compile -} - -# src_test - -glibc_src_test() { - cd "$(builddir nptl)" - - local myxfailparams="" - if [[ "${GENTOO_GLIBC_XFAIL_TESTS}" == "yes" ]] ; then - local virt=$(systemd-detect-virt 2>/dev/null) - if [[ ${virt} == systemd-nspawn ]] ; then - ewarn "Skipping extra tests because in systemd-nspawn container" - XFAIL_TEST_LIST+=( "${XFAIL_NSPAWN_TEST_LIST[@]}" ) - fi - if [[ "$(nice)" == "19" ]] ; then - # Expects to be able to increase niceness, which it can't do if - # already at the highest nice value - XFAIL_TEST_LIST+=( "tst-nice" ) - fi - - for myt in ${XFAIL_TEST_LIST[@]} ; do - myxfailparams+="test-xfail-${myt}=yes " - done - fi - - # sandbox does not understand unshare() and prevents - # writes to /proc/, which makes many tests fail - - # we give the tests a bit more time to avoid spurious - # bug reports on slow arches - - SANDBOX_ON=0 LD_PRELOAD= TIMEOUTFACTOR=32 emake ${myxfailparams} check -} - -src_test() { - if just_headers ; then - return - fi - - foreach_abi glibc_src_test || die "tests failed" -} - -# src_install - -run_locale_gen() { - # if the host locales.gen contains no entries, we'll install everything - local root="$1" - local inplace="" - - if [[ "${root}" == "--inplace-glibc" ]] ; then - inplace="--inplace-glibc" - root="$2" - fi - - local locale_list="${root%/}/etc/locale.gen" - - pushd "${ED}"/$(get_libdir) >/dev/null - - if [[ -z $(locale-gen --list --config "${locale_list}") ]] ; then - [[ -z ${inplace} ]] && ewarn "Generating all locales; edit /etc/locale.gen to save time/space" - locale_list="${root%/}/usr/share/i18n/SUPPORTED" - fi - - # bug 736794: we need to be careful with the parallelization... the number of - # processors saved in the environment of a binary package may differ strongly - # from the number of processes available during postinst - local mygenjobs="$(makeopts_jobs)" - if [[ "${EMERGE_FROM}" == "binary" ]] ; then - mygenjobs="$(nproc)" - fi - - set -- locale-gen ${inplace} --jobs "${mygenjobs}" --config "${locale_list}" \ - --destdir "${root}" - echo "$@" - "$@" - - popd >/dev/null -} - -glibc_do_src_install() { - local builddir=$(builddir nptl) - cd "${builddir}" - - emake install_root="${D}/$(build_eprefix)$(alt_prefix)" install - - # This version (2.26) provides some compatibility libraries for the NIS/NIS+ support - # which come without headers etc. Only needed for binary packages since the - # external net-libs/libnsl has increased soversion. Keep only versioned libraries. - find "${D}" -name "libnsl.a" -delete - find "${D}" -name "libnsl.so" -delete - - # Normally upstream_pv is ${PV}. Live ebuilds are exception, there we need - # to infer upstream version: - # '#define VERSION "2.26.90"' -> '2.26.90' - local upstream_pv=$(sed -n -r 's/#define VERSION "(.*)"/\1/p' "${S}"/version.h) - - # Avoid stripping binaries not targeted by ${CHOST}. Or else - # ${CHOST}-strip would break binaries build for ${CTARGET}. - is_crosscompile && dostrip -x / - - # gdb thread introspection relies on local libpthreads symbols. stripping breaks it - # See Note [Disable automatic stripping] - dostrip -x $(alt_libdir)/libpthread-${upstream_pv}.so - # valgrind requires knowledge about ld.so symbols. - dostrip -x $(alt_libdir)/ld-*.so* - - if [[ -e ${ED}/$(alt_usrlibdir)/libm-${upstream_pv}.a ]] ; then - # Move versioned .a file out of libdir to evade portage QA checks - # instead of using gen_usr_ldscript(). We fix ldscript as: - # "GROUP ( /usr/lib64/libm-<pv>.a ..." -> "GROUP ( /usr/lib64/glibc-<pv>/libm-<pv>.a ..." - sed -i "s@\(libm-${upstream_pv}.a\)@${P}/\1@" "${ED}"/$(alt_usrlibdir)/libm.a || die - dodir $(alt_usrlibdir)/${P} - mv "${ED}"/$(alt_usrlibdir)/libm-${upstream_pv}.a "${ED}"/$(alt_usrlibdir)/${P}/libm-${upstream_pv}.a || die - fi - - # We configure toolchains for standalone prefix systems with a sysroot, - # which is prepended to paths in ld scripts, so strip the prefix from these. - # Before: GROUP ( /foo/lib64/libc.so.6 /foo/usr/lib64/libc_nonshared.a AS_NEEDED ( /foo/lib64/ld-linux-x86-64.so.2 ) ) - # After: GROUP ( /lib64/libc.so.6 /usr/lib64/libc_nonshared.a AS_NEEDED ( /lib64/ld-linux-x86-64.so.2 ) ) - if [[ -n $(host_eprefix) ]] ; then - local file - grep -lZIF "ld script" "${ED}/$(alt_usrlibdir)"/lib*.{a,so} 2>/dev/null | while read -rd '' file ; do - sed -i "s|$(host_eprefix)/|/|g" "${file}" || die - done - fi - - # We'll take care of the cache ourselves - rm -f "${ED}"/etc/ld.so.cache - - # Everything past this point just needs to be done once ... - is_final_abi || return 0 - - # Make sure the non-native interp can be found on multilib systems even - # if the main library set isn't installed into the right place. Maybe - # we should query the active gcc for info instead of hardcoding it ? - local i ldso_abi ldso_name - local ldso_abi_list=( - # x86 - amd64 /lib64/ld-linux-x86-64.so.2 - x32 /libx32/ld-linux-x32.so.2 - x86 /lib/ld-linux.so.2 - # mips - o32 /lib/ld.so.1 - n32 /lib32/ld.so.1 - n64 /lib64/ld.so.1 - # powerpc - ppc /lib/ld.so.1 - # riscv - ilp32d /lib/ld-linux-riscv32-ilp32d.so.1 - ilp32 /lib/ld-linux-riscv32-ilp32.so.1 - lp64d /lib/ld-linux-riscv64-lp64d.so.1 - lp64 /lib/ld-linux-riscv64-lp64.so.1 - # s390 - s390 /lib/ld.so.1 - s390x /lib/ld64.so.1 - # sparc - sparc32 /lib/ld-linux.so.2 - sparc64 /lib64/ld-linux.so.2 - ) - case $(tc-endian) in - little) - ldso_abi_list+=( - # arm - arm64 /lib/ld-linux-aarch64.so.1 - # ELFv2 (glibc does not support ELFv1 on LE) - ppc64 /lib64/ld64.so.2 - ) - ;; - big) - ldso_abi_list+=( - # arm - arm64 /lib/ld-linux-aarch64_be.so.1 - # ELFv1 (glibc does not support ELFv2 on BE) - ppc64 /lib64/ld64.so.1 - ) - ;; - esac - if [[ ${SYMLINK_LIB} == "yes" ]] && [[ ! -e ${ED}/$(alt_prefix)/lib ]] ; then - dosym $(get_abi_LIBDIR ${DEFAULT_ABI}) $(alt_prefix)/lib - fi - for (( i = 0; i < ${#ldso_abi_list[@]}; i += 2 )) ; do - ldso_abi=${ldso_abi_list[i]} - has ${ldso_abi} $(get_install_abis) || continue - - ldso_name="$(alt_prefix)${ldso_abi_list[i+1]}" - if [[ ! -L ${ED}/${ldso_name} && ! -e ${ED}/${ldso_name} ]] ; then - dosym ../$(get_abi_LIBDIR ${ldso_abi})/${ldso_name##*/} ${ldso_name} - fi - done - - # In the LSB 5.0 definition, someone had the excellent idea to "standardize" - # the runtime loader name, see also https://xkcd.com/927/ - # Normally, in Gentoo one should never come across executables that require this. - # However, binary commercial packages are known to adhere to weird practices. - # https://refspecs.linuxfoundation.org/LSB_5.0.0/LSB-Core-AMD64/LSB-Core-AMD64.html#BASELIB - local lsb_ldso_name native_ldso_name lsb_ldso_abi - local lsb_ldso_abi_list=( - # x86 - amd64 ld-linux-x86-64.so.2 ld-lsb-x86-64.so.3 - ) - for (( i = 0; i < ${#lsb_ldso_abi_list[@]}; i += 3 )) ; do - lsb_ldso_abi=${lsb_ldso_abi_list[i]} - native_ldso_name=${lsb_ldso_abi_list[i+1]} - lsb_ldso_name=${lsb_ldso_abi_list[i+2]} - has ${lsb_ldso_abi} $(get_install_abis) || continue - - if [[ ! -L ${ED}/$(get_abi_LIBDIR ${lsb_ldso_abi})/${lsb_ldso_name} && ! -e ${ED}/$(get_abi_LIBDIR ${lsb_ldso_abi})/${lsb_ldso_name} ]] ; then - dosym ${native_ldso_name} "$(alt_prefix)/$(get_abi_LIBDIR ${lsb_ldso_abi})/${lsb_ldso_name}" - fi - done - - # With devpts under Linux mounted properly, we do not need the pt_chown - # binary to be setuid. This is because the default owners/perms will be - # exactly what we want. - if ! use suid ; then - find "${ED}" -name pt_chown -exec chmod -s {} + - fi - - ################################################################# - # EVERYTHING AFTER THIS POINT IS FOR NATIVE GLIBC INSTALLS ONLY # - ################################################################# - - # Make sure we install some symlink hacks so that when we build - # a 2nd stage cross-compiler, gcc finds the target system - # headers correctly. See gcc/doc/gccinstall.info - if is_crosscompile ; then - # We need to make sure that /lib and /usr/lib always exists. - # gcc likes to use relative paths to get to its multilibs like - # /usr/lib/../lib64/. So while we don't install any files into - # /usr/lib/, we do need it to exist. - keepdir $(alt_prefix)/lib - keepdir $(alt_prefix)/usr/lib - - dosym usr/include $(alt_prefix)/sys-include - return 0 - fi - - # Files for Debian-style locale updating - dodir /usr/share/i18n - sed \ - -e "/^#/d" \ - -e "/SUPPORTED-LOCALES=/d" \ - -e "s: \\\\::g" -e "s:/: :g" \ - "${S}"/localedata/SUPPORTED > "${ED}"/usr/share/i18n/SUPPORTED \ - || die "generating /usr/share/i18n/SUPPORTED failed" - - cd "${S}" || die - - # Install misc network config files - insinto /etc - doins posix/gai.conf - - if use systemd ; then - doins "${WORKDIR}/glibc-systemd-${GLIBC_SYSTEMD_VER}/gentoo-config/nsswitch.conf" - else - doins nss/nsswitch.conf - fi - - # Gentoo-specific - newins "${FILESDIR}"/host.conf-1 host.conf - - if use nscd ; then - doins nscd/nscd.conf - - newinitd "$(prefixify_ro "${FILESDIR}"/nscd-1)" nscd - - local nscd_args=( - -e "s:@PIDFILE@:$(strings "${ED}"/usr/sbin/nscd | grep nscd.pid):" - ) - - sed -i "${nscd_args[@]}" "${ED}"/etc/init.d/nscd - - use systemd && systemd_dounit nscd/nscd.service - newtmpfiles nscd/nscd.tmpfiles nscd.conf - fi - - echo 'LDPATH="include ld.so.conf.d/*.conf"' > "${T}"/00glibc - doenvd "${T}"/00glibc - - for d in BUGS ChangeLog CONFORMANCE FAQ NEWS NOTES PROJECTS README* ; do - [[ -s ${d} ]] && dodoc ${d} - done - dodoc -r ChangeLog.old - - # Prevent overwriting of the /etc/localtime symlink. We'll handle the - # creation of the "factory" symlink in pkg_postinst(). - rm -f "${ED}"/etc/localtime - - # Generate all locales if this is a native build as locale generation - if use compile-locales && ! is_crosscompile ; then - run_locale_gen --inplace-glibc "${ED}/" - fi -} - -glibc_headers_install() { - local builddir=$(builddir "headers") - cd "${builddir}" - emake install_root="${D}/$(build_eprefix)$(alt_prefix)" install-headers - - insinto $(alt_headers)/gnu - doins "${S}"/include/gnu/stubs.h - - # Make sure we install the sys-include symlink so that when - # we build a 2nd stage cross-compiler, gcc finds the target - # system headers correctly. See gcc/doc/gccinstall.info - dosym usr/include $(alt_prefix)/sys-include -} - -src_install() { - if just_headers ; then - export ABI=default - glibc_headers_install - return - fi - - foreach_abi glibc_do_src_install - - if ! use static-libs ; then - einfo "Not installing static glibc libraries" - find "${ED}" -name "*.a" -and -not -name "*_nonshared.a" -delete - fi -} - -# Simple test to make sure our new glibc isn't completely broken. -# Make sure we don't test with statically built binaries since -# they will fail. Also, skip if this glibc is a cross compiler. -# -# If coreutils is built with USE=multicall, some of these files -# will just be wrapper scripts, not actual ELFs we can test. -glibc_sanity_check() { - cd / #228809 - - # We enter ${ED} so to avoid trouble if the path contains - # special characters; for instance if the path contains the - # colon character (:), then the linker will try to split it - # and look for the libraries in an unexpected place. This can - # lead to unsafe code execution if the generated prefix is - # within a world-writable directory. - # (e.g. /var/tmp/portage:${HOSTNAME}) - pushd "${ED}"/$(get_libdir) >/dev/null - - # first let's find the actual dynamic linker here - # symlinks may point to the wrong abi - local newldso=$(find . -maxdepth 1 -name 'ld*so.?' -type f -print -quit) - - einfo Last-minute run tests with ${newldso} in /$(get_libdir) ... - - local x striptest - for x in cal date env free ls true uname uptime ; do - x=$(type -p ${x}) - [[ -z ${x} || ${x} != ${EPREFIX}/* ]] && continue - striptest=$(LC_ALL="C" file -L ${x} 2>/dev/null) || continue - case ${striptest} in - *"statically linked"*) continue;; - *"ASCII text"*) continue;; - esac - # We need to clear the locale settings as the upgrade might want - # incompatible locale data. This test is not for verifying that. - LC_ALL=C \ - ${newldso} --library-path . ${x} > /dev/null \ - || die "simple run test (${x}) failed" - done - - popd >/dev/null -} - -pkg_preinst() { - # nothing to do if just installing headers - just_headers && return - - einfo "Checking general environment sanity." - sanity_prechecks - - # prepare /etc/ld.so.conf.d/ for files - mkdir -p "${EROOT}"/etc/ld.so.conf.d - - # Default /etc/hosts.conf:multi to on for systems with small dbs. - if [[ $(wc -l < "${EROOT}"/etc/hosts) -lt 1000 ]] ; then - sed -i '/^multi off/s:off:on:' "${ED}"/etc/host.conf - einfo "Defaulting /etc/host.conf:multi to on" - fi - - [[ -n ${ROOT} ]] && return 0 - [[ -d ${ED}/$(get_libdir) ]] || return 0 - [[ -z ${BOOTSTRAP_RAP} ]] && glibc_sanity_check - - if [[ -L ${EROOT}/usr/lib/locale ]]; then - # Help portage migrate this to a directory - # https://bugs.gentoo.org/753740 - rm "${EROOT}"/usr/lib/locale || die - fi - - # Keep around libcrypt so that Perl doesn't break when merging libxcrypt - # (libxcrypt is the new provider for now of libcrypt.so.{1,2}). - # bug #802207 - if ! use crypt && has_version "${CATEGORY}/${PN}[crypt]" && ! has preserve-libs ${FEATURES}; then - PRESERVED_OLD_LIBCRYPT=1 - cp -p "${EROOT}/$(get_libdir)/libcrypt$(get_libname 1)" "${T}/libcrypt$(get_libname 1)" || die - else - PRESERVED_OLD_LIBCRYPT=0 - fi -} - -glibc_refresh_ldconfig() { - if [[ ${MERGE_TYPE} == buildonly ]]; then - return - fi - - # Version check could be added to avoid unnecessary work, but ldconfig - # should finish quickly enough to not matter. - ebegin "Refreshing ld.so.cache" - ldconfig -i - if ! eend $?; then - ewarn "Failed to refresh the ld.so.cache for you. Some programs may be broken" - ewarn "before you manually do so (ldconfig -i)." - fi -} - -pkg_postinst() { - # nothing to do if just installing headers - just_headers && return - - if ! tc-is-cross-compiler && [[ -x ${EROOT}/usr/sbin/iconvconfig ]] ; then - # Generate fastloading iconv module configuration file. - "${EROOT}"/usr/sbin/iconvconfig --prefix="${ROOT}/" - fi - - if ! is_crosscompile && [[ -z ${ROOT} ]] ; then - # glibc-2.38+ on loong has ldconfig support added, but the ELF e_flags - # handling has changed as well, which means stale ldconfig auxiliary - # cache entries and failure to lookup libgcc_s / libstdc++ (breaking - # every C++ application) / libgomp etc., among other breakages. - # - # To fix this, simply refresh the ld.so.cache without using the - # auxiliary cache if we're natively installing on loong. This should - # be done relatively soon because we want to minimize the breakage - # window for the affected programs. - use loong && glibc_refresh_ldconfig - - use compile-locales || run_locale_gen "${EROOT}/" - fi - - upgrade_warning - - # Check for sanity of /etc/nsswitch.conf, take 2 - if [[ -e ${EROOT}/etc/nsswitch.conf ]] && ! has_version sys-auth/libnss-nis ; then - local entry - for entry in passwd group shadow; do - if grep -E -q "^[ \t]*${entry}:.*nis" "${EROOT}"/etc/nsswitch.conf; then - ewarn "" - ewarn "Your ${EROOT}/etc/nsswitch.conf uses NIS. Support for that has been" - ewarn "removed from glibc and is now provided by the package" - ewarn " sys-auth/libnss-nis" - ewarn "Install it now to keep your NIS setup working." - ewarn "" - fi - done - fi - - if [[ ${PRESERVED_OLD_LIBCRYPT} -eq 1 ]] ; then - cp -p "${T}/libcrypt$(get_libname 1)" "${EROOT}/$(get_libdir)/libcrypt$(get_libname 1)" || die - preserve_old_lib_notify /$(get_libdir)/libcrypt$(get_libname 1) - - elog "Please ignore a possible later error message about a file collision involving" - elog "${EROOT}/$(get_libdir)/libcrypt$(get_libname 1). We need to preserve this file for the moment to keep" - elog "the upgrade working, but it also needs to be overwritten when" - elog "sys-libs/libxcrypt is installed. See bug 802210 for more details." - fi -} |