build-sys: exclude some CC warnings for clang

Reported-by: Sami Kerola <kerolasa@iki.fi>
Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/configure.ac b/configure.ac
index ba63e4438b47fab8bf509bedac5b73e37b552ebe..4d89fc992c32b6242617b37e4814c1a53de32972 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -109,10 +109,12 @@ UL_WARN_ADD([-Wuninitialized])
 UL_WARN_ADD([-Werror=sequence-point])
 UL_WARN_ADD([-Wunused-parameter])
 UL_WARN_ADD([-fno-common])
-UL_WARN_ADD([-Wmissing-parameter-type])
 UL_WARN_ADD([-Wunused-result])
-UL_WARN_ADD([-Wunused-but-set-parameter])
-UL_WARN_ADD([-Wunused-but-set-variable])
+UL_WARN_ADD([-Wmissing-prototypes])
+UL_WARN_ADD([-Wunused-variable])
+UL_WARN_ADD([-Wmissing-parameter-type], [clang])
+UL_WARN_ADD([-Wunused-but-set-parameter], [clang])
+UL_WARN_ADD([-Wunused-but-set-variable], [clang])
 UL_WARN_ADD([-Wredundant-decls])
 AC_SUBST([WARN_CFLAGS])