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Gentoo's Bugzilla – Attachment 880365 Details for
Bug 920753
sys-libs/glibc: refrain from stripping ld.so for dev-util/valgrind compat
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[patch]
sys-libs/glibc: disable stripping for ld.so as well
0001-sys-libs-glibc-disable-stripping-for-ld.so-as-well.patch (text/plain), 109.56 KB, created by
Eli Schwartz
on 2023-12-27 04:20:49 UTC
(
hide
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Description:
sys-libs/glibc: disable stripping for ld.so as well
Filename:
MIME Type:
Creator:
Eli Schwartz
Created:
2023-12-27 04:20:49 UTC
Size:
109.56 KB
patch
obsolete
>From 7fc8d1c2c3b03bf04b740a03ef7664c678af519b Mon Sep 17 00:00:00 2001 >From: Eli Schwartz <eschwartz93@gmail.com> >Date: Tue, 26 Dec 2023 23:14:50 -0500 >Subject: [PATCH] sys-libs/glibc: disable stripping for ld.so as well > >Similar to how pthread must not be stripped in order to avoid breaking >gdb, ld.so must not be stripped in order to avoid breaking valgrind. > >Closes: https://bugs.gentoo.org/920753 >Signed-off-by: Eli Schwartz <eschwartz93@gmail.com> >--- > sys-libs/glibc/{glibc-2.37-r8.ebuild => glibc-2.37-r9.ebuild} | 4 ++++ > sys-libs/glibc/{glibc-2.38-r8.ebuild => glibc-2.38-r9.ebuild} | 4 ++++ > 2 files changed, 8 insertions(+) > copy sys-libs/glibc/{glibc-2.37-r8.ebuild => glibc-2.37-r9.ebuild} (99%) > copy sys-libs/glibc/{glibc-2.38-r8.ebuild => glibc-2.38-r9.ebuild} (99%) > >diff --git a/sys-libs/glibc/glibc-2.37-r8.ebuild b/sys-libs/glibc/glibc-2.37-r9.ebuild >similarity index 99% >copy from sys-libs/glibc/glibc-2.37-r8.ebuild >copy to sys-libs/glibc/glibc-2.37-r9.ebuild >index b267d37bcf49..31748a86fe4b 100644 >--- a/sys-libs/glibc/glibc-2.37-r8.ebuild >+++ b/sys-libs/glibc/glibc-2.37-r9.ebuild >@@ -1,1680 +1,1684 @@ > # Copyright 1999-2023 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_{9..11} ) > 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=11 > 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-util/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 > ) > > 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 > tst-sched1 > 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=${ASFLAGS_BASE} > > # Allow users to explicitly avoid flag sanitization via > # USE=custom-cflags. > if ! use custom-cflags; then > # Over-zealous CFLAGS can often cause problems. What may work for one > # person may not work for another. To avoid a large influx of bugs > # relating to failed builds, we strip most CFLAGS out to ensure as few > # problems as possible. > strip-flags > # Lock glibc at -O2; we want to be conservative here. > filter-flags '-O?' > append-flags -O2 > fi > > strip-unsupported-flags > filter-lto > filter-flags -m32 -m64 '-mabi=*' > > # glibc aborts if rpath is set by LDFLAGS > filter-ldflags '-Wl,-rpath=*' > > # ld can't use -r & --relax at the same time, bug #788901 > # https://sourceware.org/PR27837 > filter-ldflags '-Wl,--relax' > > # some weird software relies on sysv hashes in glibc, bug 863863, bug 864100 > # we have to do that here already so mips can filter it out again :P > if use hash-sysv-compat ; then > append-ldflags '-Wl,--hash-style=both' > fi > > # #492892 > filter-flags -frecord-gcc-switches > > # #898098 > filter-flags -fno-builtin > > # #829583 > filter-lfs-flags > > unset CBUILD_OPT CTARGET_OPT > if use multilib ; then > CTARGET_OPT=$(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 buil first time > # when ${CTARGET}-g++ is not available yet. We avoid > # building auxiliary programs that require C++: bug #683074 > # It should not affect final result. > export libc_cv_cxx_link_ok=no > # The line above has the same effect. We set CXX explicitly > # to make build logs less confusing. > export CXX= > fi > } > > foreach_abi() { > setup_env > > local ret=0 > local abilist="" > if use multilib ; then > abilist=$(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 > --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' > > # -march= option tricks build system to infer too > # high ISA level: https://sourceware.org/PR27318 > libc_cv_include_x86_isa_level=no > > # Explicit override of https://sourceware.org/PR27991 > # exposes a bug in glibc's configure: > # https://sourceware.org/PR27991 > libc_cv_have_x86_lahf_sahf=no > libc_cv_have_x86_movbe=no > > ${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 ${GCC_BOOTSTRAP_VER} ]] && use multilib-bootstrap ; then > echo 'main(){}' > "${T}"/test.c > 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 > > case ${CTARGET} in > riscv*) > # RISC-V interrogates the compiler to determine which target to > # build. If building the headers then we don't strictly need a > # RISC-V compiler, so the built-in definitions that are provided > # along with all RISC-V compiler might not exist. This causes > # glibc's RISC-V preconfigure script to blow up. Since we're just > # building the headers any value will actually work here, so just > # pick the standard one (rv64g/lp64d) to make the build scripts > # happy for now -- the headers are all the same anyway so it > # doesn't matter. > headers_only_arch_CPPFLAGS+=( > -D__riscv_xlen=64 > -D__riscv_flen=64 > -D__riscv_float_abi_double=1 > -D__riscv_atomic=1 > ) ;; > esac > > local myconf=() > myconf+=( > --disable-sanity-checks > --enable-hacker-mode > --disable-werror > --enable-bind-now > --build=${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 > > 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=16 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 > } > > 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 ${ROOT} ]] ; then > use compile-locales || run_locale_gen "${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 > } >diff --git a/sys-libs/glibc/glibc-2.38-r8.ebuild b/sys-libs/glibc/glibc-2.38-r9.ebuild >similarity index 99% >copy from sys-libs/glibc/glibc-2.38-r8.ebuild >copy to sys-libs/glibc/glibc-2.38-r9.ebuild >index 6443166a7e06..cd8dd36e4071 100644 >--- a/sys-libs/glibc/glibc-2.38-r8.ebuild >+++ b/sys-libs/glibc/glibc-2.38-r9.ebuild >@@ -1,1714 +1,1718 @@ > # Copyright 1999-2023 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_{9..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=9 > 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-util/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 > > 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 > } >-- >2.41.0 >
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