pass NULL to library_init() to load settings from default file

src/openac/Makefile.am

@@ -5,7 +5,6 @@ dist_man_MANS = openac.8
 INCLUDES = -I$(top_srcdir)/src/libstrongswan
 AM_CFLAGS = \
   -DIPSEC_CONFDIR=\"${sysconfdir}\" \
-  -DSTRONGSWAN_CONF=\"${strongswan_conf}\" \
   -DPLUGINS=\""${libstrongswan_plugins}\""
 openac_LDADD = $(top_builddir)/src/libstrongswan/libstrongswan.la
 

src/openac/openac.c

@@ -221,7 +221,7 @@ int main(int argc, char **argv)
 
 	/* initialize library */
 	atexit(library_deinit);
-	if (!library_init(STRONGSWAN_CONF))
+	if (!library_init(NULL))
 	{
 		exit(SS_RC_LIBSTRONGSWAN_INTEGRITY);
 	}