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| author |   Sergei Trofimovich <slyfox@gentoo.org> | 2017-09-10 10:45:39 +0100 |
|---|---|---|
| committer | Sergei Trofimovich <slyfox@gentoo.org> | 2017-09-10 11:12:18 +0100 |
| commit | 604495b43aa4a5b7aed2044b84ca0d88e600d1df (patch) | |
| tree | a063e151d13077baa0e0cffd81b6417b4668d744 | |
| parent | sys-libs/glibc: Fix part of the test build system, bug 623548 (diff) | |
| download | gentoo-604495b43aa4a5b7aed2044b84ca0d88e600d1df.tar.gz gentoo-604495b43aa4a5b7aed2044b84ca0d88e600d1df.tar.bz2 gentoo-604495b43aa4a5b7aed2044b84ca0d88e600d1df.zip | |
glibc: disable stack protector on ARCH=ppc
Currently gcc on powerpc32 generates invalid code for
__builtin_return_address(0) calls. Normally programs
don't do that but malloc() hooks in glibc do:
Bug: https://gcc.gnu.org/PR81996
Bug: https://bugs.gentoo.org/629054
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
| -rw-r--r-- | eclass/toolchain-glibc.eclass | 14 | ||||
| -rw-r--r-- | sys-libs/glibc/glibc-2.26-r1.ebuild | 14 |
2 files changed, 26 insertions, 2 deletions
diff --git a/eclass/toolchain-glibc.eclass b/eclass/toolchain-glibc.eclass index 33f27ccf46eb..98e394659cf8 100644 --- a/eclass/toolchain-glibc.eclass +++ b/eclass/toolchain-glibc.eclass @@ -795,7 +795,19 @@ glibc_do_configure() { fi if version_is_at_least 2.25 ; then - myconf+=( --enable-stack-protector=all ) + case ${CTARGET} in + powerpc-*) + # Currently gcc on powerpc32 generates invalid code for + # __builtin_return_address(0) calls. Normally programs + # don't do that but malloc hooks in glibc do: + # https://gcc.gnu.org/PR81996 + # https://bugs.gentoo.org/629054 + myconf+=( --enable-stack-protector=no ) + ;; + *) + myconf+=( --enable-stack-protector=all ) + ;; + esac fi if version_is_at_least 2.25 ; then diff --git a/sys-libs/glibc/glibc-2.26-r1.ebuild b/sys-libs/glibc/glibc-2.26-r1.ebuild index fbe7444f9488..b852aba96bc6 100644 --- a/sys-libs/glibc/glibc-2.26-r1.ebuild +++ b/sys-libs/glibc/glibc-2.26-r1.ebuild @@ -315,7 +315,19 @@ glibc_do_configure() { [[ -d ports ]] && addons+=",ports" popd > /dev/null - myconf+=( --enable-stack-protector=all ) + case ${CTARGET} in + powerpc-*) + # Currently gcc on powerpc32 generates invalid code for + # __builtin_return_address(0) calls. Normally programs + # don't do that but malloc hooks in glibc do: + # https://gcc.gnu.org/PR81996 + # https://bugs.gentoo.org/629054 + myconf+=( --enable-stack-protector=no ) + ;; + *) + myconf+=( --enable-stack-protector=all ) + ;; + esac myconf+=( --enable-stackguard-randomization ) [[ $(tc-is-softfloat) == "yes" ]] && myconf+=( --without-fp ) |