diff --git a/Makefile b/Makefile
index c79e7a9..c9ee2d2 100644
--- a/Makefile
+++ b/Makefile
@@ -2,14 +2,15 @@ ifneq ($(shell gcc -v 2>&1 | grep 'Apple Inc'),)
 	APPLE=1
 endif
 
-LIBPREFIX = /Library/Fink/sl64
-LDFLAGS = -L$(LIBPREFIX)/lib -g -Wall
+LIBPREFIX = /Library/Fink/sl64 /opt/local
+LDFLAGS = $(patsubst %,-L%/lib,$(LIBPREFIX)) -g -Wall
 ifdef APPLE
 ifeq ($(CC),gcc)
 	LDFLAGS += -search_paths_first
 endif
 endif
-CFLAGS = -I$(LIBPREFIX)/include -g -O0 -std=c99 -Wall -Wno-unknown-pragmas
+CFLAGS = $(patsubst %,-I%/include,$(LIBPREFIX)) -g -O0 -std=c99 \
+	-Wall -Wno-unknown-pragmas
 
 CC = gcc
 COMPILE = $(CC) $(CFLAGS) -c -o