- enable compiler warning

diff --git a/pam/Makefile.am b/pam/Makefile.am
index 896618fe7712f258efc157fb4d86f6a35f263742..6e8bddf0bc23a26fed8481c6d449f735149e3cca 100644 (file)
--- a/pam/Makefile.am
+++ b/pam/Makefile.am
@@ -4,7 +4,7 @@
 
 if HAVE_PAM
 
-AM_CFLAGS = -D_GNU_SOURCE
+AM_CFLAGS = -D_GNU_SOURCE -Wwrite-strings
 
 INCLUDES = -I$(top_srcdir) $(DBUS_CFLAGS)