Fabio Erculiani
126 lines
3.9 KiB
Plaintext
126 lines
3.9 KiB
Plaintext
# Copyright 1999-2014 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Header: /var/cvsroot/gentoo-x86/sys-libs/glibc/files/eblits/pkg_setup.eblit,v 1.14 2014/10/17 17:30:04 vapier Exp $
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glibc_compile_test() {
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local ret save_cflags=${CFLAGS}
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CFLAGS+=" $1"
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shift
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pushd "${T}" >/dev/null
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rm -f glibc-test*
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printf '%b' "$*" > glibc-test.c
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_nonfatal emake -s glibc-test
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ret=$?
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popd >/dev/null
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CFLAGS=${save_cflags}
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return ${ret}
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}
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glibc_run_test() {
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local ret
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if [[ ${EMERGE_FROM} == "binary" ]] ; then
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# ignore build failures when installing a binary package #324685
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glibc_compile_test "" "$@" 2>/dev/null || return 0
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else
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if ! glibc_compile_test "" "$@" ; then
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ewarn "Simple build failed ... assuming this is desired #324685"
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return 0
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fi
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fi
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pushd "${T}" >/dev/null
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./glibc-test
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ret=$?
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rm -f glibc-test*
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popd >/dev/null
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return ${ret}
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}
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eblit-glibc-pkg_setup() {
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# prevent native builds from downgrading ... maybe update to allow people
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# to change between diff -r versions ? (2.3.6-r4 -> 2.3.6-r2)
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if [[ ${MERGE_TYPE} != "buildonly" ]] && \
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[[ ${ROOT} == "/" ]] && \
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[[ ${CBUILD} == ${CHOST} ]] && \
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[[ ${CHOST} == ${CTARGET} ]] ; then
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if has_version '>'${CATEGORY}/${PF} ; then
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eerror "Sanity check to keep you from breaking your system:"
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eerror " Downgrading glibc is not supported and a sure way to destruction"
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die "aborting to save your system"
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fi
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if ! glibc_run_test '#include <pwd.h>\nint main(){return getpwuid(0)==0;}\n'
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then
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eerror "Your patched vendor kernel is broken. You need to get an"
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eerror "update from whoever is providing the kernel to you."
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eerror "http://sourceware.org/bugzilla/show_bug.cgi?id=5227"
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eerror "http://bugs.gentoo.org/262698"
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die "keeping your system alive, say thank you"
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fi
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if ! glibc_run_test '#include <unistd.h>\n#include <sys/syscall.h>\nint main(){return syscall(1000)!=-1;}\n'
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then
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eerror "Your old kernel is broken. You need to update it to"
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eerror "a newer version as syscall(<bignum>) will break."
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eerror "http://bugs.gentoo.org/279260"
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die "keeping your system alive, say thank you"
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fi
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fi
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# users have had a chance to phase themselves, time to give em the boot
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if [[ -e ${ROOT}/etc/locale.gen ]] && [[ -e ${ROOT}/etc/locales.build ]] ; then
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eerror "You still haven't deleted ${ROOT}/etc/locales.build."
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eerror "Do so now after making sure ${ROOT}/etc/locale.gen is kosher."
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die "lazy upgrader detected"
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fi
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if [[ ${CTARGET} == i386-* ]] ; then
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eerror "i386 CHOSTs are no longer supported."
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eerror "Chances are you don't actually want/need i386."
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eerror "Please read http://www.gentoo.org/doc/en/change-chost.xml"
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die "please fix your CHOST"
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fi
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if [[ -e /proc/xen ]] && [[ $(tc-arch) == "x86" ]] && ! is-flag -mno-tls-direct-seg-refs ; then
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ewarn "You are using Xen but don't have -mno-tls-direct-seg-refs in your CFLAGS."
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ewarn "This will result in a 50% performance penalty when running with a 32bit"
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ewarn "hypervisor, which is probably not what you want."
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fi
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use hardened && ! gcc-specs-pie && \
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ewarn "PIE hardening not applied, as your compiler doesn't default to PIE"
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# Make sure host system is up to date #394453
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if has_version '<sys-libs/glibc-2.13' && \
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[[ -n $(scanelf -qys__guard -F'#s%F' "${ROOT}"/lib*/l*-*.so) ]]
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then
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ebegin "Scanning system for __guard to see if you need to rebuild first ..."
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local files=$(
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scanelf -qys__guard -F'#s%F' \
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"${ROOT}"/*bin/ \
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"${ROOT}"/lib* \
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"${ROOT}"/usr/*bin/ \
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"${ROOT}"/usr/lib* | \
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egrep -v \
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-e "^${ROOT}/lib.*/(libc|ld)-2.*.so$" \
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-e "^${ROOT}/sbin/(ldconfig|sln)$"
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)
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[[ -z ${files} ]]
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if ! eend $? ; then
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eerror "Your system still has old SSP __guard symbols. You need to"
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eerror "rebuild all the packages that provide these files first:"
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eerror "${files}"
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die "old __guard detected"
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fi
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fi
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}
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