diff options
Diffstat (limited to 'sys-libs/glibc/files/eblits/pkg_setup.eblit')
| -rw-r--r-- | sys-libs/glibc/files/eblits/pkg_setup.eblit | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/sys-libs/glibc/files/eblits/pkg_setup.eblit b/sys-libs/glibc/files/eblits/pkg_setup.eblit new file mode 100644 index 0000000..7701a56 --- /dev/null +++ b/sys-libs/glibc/files/eblits/pkg_setup.eblit @@ -0,0 +1,125 @@ +# Copyright 1999-2014 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 +# $Header: /var/cvsroot/gentoo-x86/sys-libs/glibc/files/eblits/pkg_setup.eblit,v 1.14 2014/10/17 17:30:04 vapier Exp $ + +glibc_compile_test() { + local ret save_cflags=${CFLAGS} + CFLAGS+=" $1" + shift + + pushd "${T}" >/dev/null + + rm -f glibc-test* + printf '%b' "$*" > glibc-test.c + + _nonfatal emake -s glibc-test + ret=$? + + popd >/dev/null + + CFLAGS=${save_cflags} + return ${ret} +} + +glibc_run_test() { + local ret + + if [[ ${EMERGE_FROM} == "binary" ]] ; then + # ignore build failures when installing a binary package #324685 + glibc_compile_test "" "$@" 2>/dev/null || return 0 + else + if ! glibc_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} +} + +eblit-glibc-pkg_setup() { + # prevent native builds from downgrading ... maybe update to allow people + # to change between diff -r versions ? (2.3.6-r4 -> 2.3.6-r2) + if [[ ${MERGE_TYPE} != "buildonly" ]] && \ + [[ ${ROOT} == "/" ]] && \ + [[ ${CBUILD} == ${CHOST} ]] && \ + [[ ${CHOST} == ${CTARGET} ]] ; then + if has_version '>'${CATEGORY}/${PF} ; then + eerror "Sanity check to keep you from breaking your system:" + eerror " Downgrading glibc is not supported and a sure way to destruction" +# die "aborting to save your system" + fi + + if ! glibc_run_test '#include <pwd.h>\nint main(){return getpwuid(0)==0;}\n' + then + eerror "Your patched vendor kernel is broken. You need to get an" + eerror "update from whoever is providing the kernel to you." + eerror "http://sourceware.org/bugzilla/show_bug.cgi?id=5227" + eerror "http://bugs.gentoo.org/262698" + die "keeping your system alive, say thank you" + fi + + if ! glibc_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" + eerror "a newer version as syscall(<bignum>) will break." + eerror "http://bugs.gentoo.org/279260" + die "keeping your system alive, say thank you" + fi + fi + + # users have had a chance to phase themselves, time to give em the boot + if [[ -e ${EROOT}/etc/locale.gen ]] && [[ -e ${EROOT}/etc/locales.build ]] ; then + eerror "You still haven't deleted ${EROOT}/etc/locales.build." + eerror "Do so now after making sure ${EROOT}/etc/locale.gen is kosher." + die "lazy upgrader detected" + 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 http://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 + + use hardened && ! gcc-specs-pie && \ + ewarn "PIE hardening not applied, as your compiler doesn't default to PIE" + + # Make sure host system is up to date #394453 + if has_version '<sys-libs/glibc-2.13' && \ + [[ -n $(scanelf -qys__guard -F'#s%F' "${EROOT}"/lib*/l*-*.so) ]] + then + ebegin "Scanning system for __guard to see if you need to rebuild first ..." + local files=$( + scanelf -qys__guard -F'#s%F' \ + "${EROOT}"/*bin/ \ + "${EROOT}"/lib* \ + "${EROOT}"/usr/*bin/ \ + "${EROOT}"/usr/lib* | \ + egrep -v \ + -e "^${EROOT}/lib.*/(libc|ld)-2.*.so$" \ + -e "^${EROOT}/sbin/(ldconfig|sln)$" + ) + [[ -z ${files} ]] + if ! eend $? ; then + eerror "Your system still has old SSP __guard symbols. You need to" + eerror "rebuild all the packages that provide these files first:" + eerror "${files}" + die "old __guard detected" + fi + fi +} |