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[Bug libc/20662] checking whether x86_64-pc-linux-gnu-gcc implicitly enables -fstack-protector no (32bit gcc 6.2.0 pie and ssp enable)
- From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Tue, 15 Nov 2016 19:29:21 +0000
- Subject: [Bug libc/20662] checking whether x86_64-pc-linux-gnu-gcc implicitly enables -fstack-protector no (32bit gcc 6.2.0 pie and ssp enable)
- Auto-submitted: auto-generated
- References: <bug-20662-131@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=20662
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c7409aded44634411a19b0b7178b7faa237835e6
commit c7409aded44634411a19b0b7178b7faa237835e6
Author: Denis Kaganovich <mahatma@eu.by>
Date: Thu Oct 20 22:01:39 2016 +0200
configure: accept __stack_chk_fail_local for ssp support too [BZ #20662]
When glibc is compiled with gcc 6.2 that has been configured with
--enable-default-pie and --enable-default-ssp, the configure script
fails to detect that the compiler has ssp turned on by default when
being built for i686-linux-gnu.
This is because gcc is emitting __stack_chk_fail_local but the
script is only looking for __stack_chk_fail. Support both.
Example output:
checking whether x86_64-pc-linux-gnu-gcc -m32 -Wl,-O1 -Wl,--as-needed
implicitly enables -fstack-protector... no
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 9 +++++++++
configure | 8 +++++---
configure.ac | 8 +++++---
3 files changed, 19 insertions(+), 6 deletions(-)
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