add -Wall flag

diff --git a/src/Makefile.am b/src/Makefile.am
index 6b67c8cbc8a78ae3cf4577dc56400824625d5691..ca32fee5866ccc98db70739f21a36d33eae416d6 100644 (file)
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,7 +1,7 @@
 ## Makefile.am for Oniguruma
 libname = libonig.la
 
-AM_CFLAGS =
+AM_CFLAGS = -Wall
 AM_CPPFLAGS = -I$(top_srcdir) -I$(includedir)
 
 include_HEADERS = oniguruma.h oniggnu.h onigposix.h