68 lines
2.7 KiB
Plaintext
68 lines
2.7 KiB
Plaintext
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# Copyright 1999-2009 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 1.4 2009/08/21 05:46:04 vapier Exp $
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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 [[ ${ROOT} == "/" ]] && [[ ${CBUILD} == ${CHOST} ]] && [[ ${CHOST} == ${CTARGET} ]] ; then
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if has_version '>'${CATEGORY}/${PF} ; then
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eerror "Sanity check to keep you from breaking your system:"
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eerror " Downgrading glibc is not supported and a sure way to destruction"
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die "aborting to save your system"
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fi
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# Check for broken kernels #262698
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cd "${T}"
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printf '#include <pwd.h>\nint main(){return getpwuid(0)==0;}\n' > kern-clo-test.c
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emake kern-clo-test || die
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if ! ./kern-clo-test ; 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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die "keeping your system alive, say thank you"
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fi
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# Check for broken kernels #279260
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cd "${T}"
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printf '#include <unistd.h>\n#include <sys/syscall.h>\nint main(){return syscall(1000)!=-1;}\n' > kern-enosys-test.c
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emake kern-enosys-test || die
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if ! ./kern-enosys-test ; 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 [[ -n ${LT_VER} ]] ; then
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if use nptlonly && ! use nptl ; then
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eerror "If you want nptlonly, add nptl to your USE too ;p"
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die "nptlonly without nptl"
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fi
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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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}
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