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Capture output from 'ld --help', in order that the test 

becomes meaningful. The linker puts help texts on stderr.

Signed-off-by: Mats Erik Andersson <mats.andersson@gisladisker.se>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3543 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Mats Erik Andersson 2008-08-27 22:25:55 +00:00 committed by Carl-Daniel Hailfinger
parent ec2bd53c37
commit b1b1d70d78
1 changed files with 6 additions and 1 deletions
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7
targets/buildtarget
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@ -69,7 +69,12 @@ fi
rm -rf .$$.tmp
if $CC -Wl,--help | grep -q build-id; then
# The linker output fd depends on the gcc version.
# 1) 'ld-2.15 --help' and 'gcc-4.0 -Wl,--help' use STDOUT.
# 2) 'gcc-3.3 --help' and 'gcc-3.4 -Wl,--help' use STDERR.
# Thus older versions of GCC (presumably 3.x) implement a redirection of
# output to stderr. Re-redirect stderr to stdout to work always.
if $CC -Wl,--help 2>&1 | grep -q build-id; then
EXTRA_LFLAGS="$EXTRA_LFLAGS -Wl,--build-id=none"
fi