diff -Naur wings-0.98.36/plugins_src/accel/Makefile wings-0.98.36.tpg/plugins_src/accel/Makefile
--- wings-0.98.36/plugins_src/accel/Makefile	2006-11-12 08:04:44.000000000 +0000
+++ wings-0.98.36.tpg/plugins_src/accel/Makefile	2007-06-18 02:39:12.000000000 +0000
@@ -45,6 +45,7 @@
 
 ERLC = erlc
 ERLC_FLAGS = -o $(LIBDIR) +debug_info
+CFLAGS +=
 
 DRV = $(LIBDIR)/wings_ogla_drv.$(SO_EXT) \
 	$(LIBDIR)/perlin_noise_drv.$(SO_EXT)
@@ -59,7 +60,7 @@
 
 $(LIBDIR)/%.$(SO_EXT): %.c
 	install -d $(LIBDIR)
-	$(GCC) -I$(ERL_INC) -o $@ $< $(LIBS) $(GL_LIBS)
+	$(GCC) $(CFLAGS) -I$(ERL_INC) -o $@ $< $(LIBS) $(GL_LIBS)
 
 clean:
 	rm -f $(TARGET_FILES)