rm -rf .$$.tmp
-$CC -Wl,--help | awk '{for (i=1;i<=NF;i++) if ($i ~ /build-id/){n++} }; END {exit n}'
-build_id=$?
-if [ $build_id -ge 1 ] ; 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