$NetBSD: patch-aa,v 1.13 2016/10/08 06:16:24 adam Exp $

Don't override CC, LD, CFLAGS and LDFLAGS.

--- Makefile.orig	2016-10-03 05:16:21.000000000 +0000
+++ Makefile
@@ -17,15 +17,11 @@ PNGLIB = /usr/local/lib
 ZINC = /usr/local/include
 ZLIB = /usr/local/lib
 
-CC = gcc
-LD = gcc
 RM = rm -f
 
 CPPFLAGS = -I $(PNGINC)
 
-CFLAGS = -g -O3 -fomit-frame-pointer -Wall
 # [note that -Wall is a gcc-specific compilation flag ("all warnings on")]
-LDFLAGS =
 O = .o
 E =
 
@@ -54,7 +50,7 @@ pngcrush$(O): pngcrush.c cexcept.h
 	mv png.h_embedded png.h
 
 $(PNGCRUSH)$(E): $(OBJS)
-	$(LD) $(LDFLAGS) -o $@ $(OBJS) $(LIBS)
+	$(CC) $(LDFLAGS) -o $@ $(OBJS) $(LIBS)
 
 # maintenance ---------------------------------------------------------------
 
