[PATCH]: use AC_TRY_LINK for stack protector check

Actually try to link an executable to test for stack protector support,
as gcc seems to accept the -fstack-protector argument even when it's
compiled with --disable-libssp (but linking fails with a error
finding -lssp_nonshared).

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
---
 config-scripts/cups-compiler.m4 |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: cups-1.3.9/config-scripts/cups-compiler.m4
===================================================================
--- cups-1.3.9.orig/config-scripts/cups-compiler.m4
+++ cups-1.3.9/config-scripts/cups-compiler.m4
@@ -109,7 +109,7 @@ if test -n "$GCC"; then
 	AC_MSG_CHECKING(if GCC supports -fstack-protector)
 	OLDCFLAGS="$CFLAGS"
 	CFLAGS="$CFLAGS -fstack-protector"
-	AC_TRY_COMPILE(,,
+	AC_TRY_LINK(,,
 		OPTIM="$OPTIM -fstack-protector"
 		AC_MSG_RESULT(yes),
 		AC_MSG_RESULT(no))