From b1b1d70d78791a0358258cc8e1aab39537a17a2a Mon Sep 17 00:00:00 2001 From: Mats Erik Andersson Date: Wed, 27 Aug 2008 22:25:55 +0000 Subject: [PATCH] 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 Acked-by: Carl-Daniel Hailfinger git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3543 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- targets/buildtarget | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/targets/buildtarget b/targets/buildtarget index 2b3b83bfce..02694a2411 100755 --- a/targets/buildtarget +++ b/targets/buildtarget @@ -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