--- ./Makefile.orig	2010-09-13 06:15:25.000000000 +0200
+++ ./Makefile	2011-06-18 21:42:16.000000000 +0200
@@ -54,7 +54,7 @@
 # Under Cygwin replace strip $@ with strip $@.exe
 
 cfdg: $(OBJS)
-	$(LINK.o) $^ -L/usr/local/lib -lstdc++ -lpng -lz -fexceptions -o $@
+	$(LINK.o) $^ $(shell libpng-config --ldflags) -lstdc++ -fexceptions -o $@
 	strip $@
 
 
@@ -105,7 +105,7 @@
 #
 
 CPPFLAGS += $(patsubst %,-I%,$(INC_DIRS))
-CPPFLAGS += -O3 -Wall
+CPPFLAGS += -O3 -Wall $(shell libpng-config --cflags)
 #CPPFLAGS += -ggdb
 
 $(OBJ_DIR)/%.o : %.cpp