add LDFLAGS (Peter Volkov)
diff --git a/extensions/Makefile b/extensions/Makefile
index 0ac4f7a..2070ee8 100644
--- a/extensions/Makefile
+++ b/extensions/Makefile
@@ -17,7 +17,7 @@
 	mv $< $@
 
 extensions/ebtable_%.so: extensions/ebtable_%.o
-	$(CC) -shared -o $@ -lc $< -nostartfiles
+	$(CC) $(LDFLAGS) -shared -o $@ -lc $< -nostartfiles
 
 extensions/libebtable_%.so: extensions/ebtable_%.so
 	mv $< $@