buildsys: define warning CFLAGS in separate var

Continue the trend of not touching the environment CFLAGS, ensuring that
the user always has the final say.

Signed-off-by: Dave Reisner <dreisner@archlinux.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/libalpm/Makefile.am b/lib/libalpm/Makefile.am
index 31de62e3..0781d5d8 100644
--- a/lib/libalpm/Makefile.am
+++ b/lib/libalpm/Makefile.am
@@ -10,7 +10,7 @@ DEFS = -DLOCALEDIR=\"@localedir@\" @DEFS@
 AM_CPPFLAGS = \
 	-imacros $(top_builddir)/config.h
 
-AM_CFLAGS = -pedantic -D_GNU_SOURCE
+AM_CFLAGS = -pedantic -D_GNU_SOURCE $(WARNING_CFLAGS)
 
 if ENABLE_VISIBILITY_CC
 if DARWIN