Use 'gcc -v 2>&1 | tail -1' to extract gcc version.

Signed-off-by: Keir Fraser <keir.fraser@citrix.com>

diff --git a/xen/Makefile b/xen/Makefile
index ebb541a628531df4353ddfaf51f00da83a9b17bc..0cce001dc5dbd24b04b39336d1e9e1d8e3dfd6e5 100644 (file)
--- a/xen/Makefile
+++ b/xen/Makefile
@@ -87,7 +87,7 @@ include/xen/compile.h: include/xen/compile.h.in .banner
            -e 's/@@whoami@@/$(XEN_WHOAMI)/g' \
            -e 's/@@domain@@/$(XEN_DOMAIN)/g' \
            -e 's/@@hostname@@/$(shell hostname)/g' \
-           -e 's!@@compiler@@!$(shell $(CC) $(CFLAGS) -v 2>&1 | grep -i "gcc .*version ")!g' \
+           -e 's!@@compiler@@!$(shell $(CC) $(CFLAGS) -v 2>&1 | tail -1)!g' \
            -e 's/@@version@@/$(XEN_VERSION)/g' \
            -e 's/@@subversion@@/$(XEN_SUBVERSION)/g' \
            -e 's/@@extraversion@@/$(XEN_EXTRAVERSION)/g' \