-AM_CFLAGS = -Wall --std=gnu99 -I../
-AM_CPPFLAGS = $(GLIB_CFLAGS) $(GTK_CFLAGS) $(SOUP_CFLAGS)
-AM_LDFLAGS = -module -avoid-version
-LIBS = $(top_srcdir)/src/gis/libgis.la
+MAINTAINERCLEANFILES = Makefile.in
+
+AM_CFLAGS = -Wall --std=gnu99 -I$(top_srcdir)/src
+AM_CPPFLAGS = $(GLIB_CFLAGS) $(GTK_CFLAGS) $(GL_CFLAGS) $(SOUP_CFLAGS)
+AM_LDFLAGS = -shared -module -avoid-version
+LIBS = $(top_srcdir)/src/libgrits.la
+
+if SYS_WIN
+AM_LDFLAGS += -no-undefined
+endif
+if !SYS_MAC
+AM_LDFLAGS += -Wl,--as-needed
+endif