--- xnecview-1.36/Makefile.orig	2006-03-27 22:38:37.000000000 +0200
+++ xnecview-1.36/Makefile	2014-11-28 15:22:07.458917699 +0100
@@ -4,14 +4,14 @@ PNG	= yes
 
 
 CC	= gcc
-CFLAGS	= -O2 -g -Wall `pkg-config gtk+-2.0 --cflags`
+CFLAGS	= $(OPTFLAGS) `pkg-config gtk+-2.0 --cflags`
 
 LD	= $(CC)
-LDFLAGS	= `pkg-config gtk+-2.0 --libs` -lm
+LIBS	= `pkg-config gtk+-2.0 --libs` -lm
 
 ifeq ($(PNG),yes)
 CFLAGS	+= -DHAVE_LIBPNG
-LDFLAGS	+= -lpng
+LIBS	+= -lpng
 endif
 
 SRCS	= xnecview.c xwin.c parse_input.c parse_output.c draw.c draw_opaque.c freqplot.c postscript.c icon.xbm
@@ -20,7 +20,7 @@ OBJS	= xnecview.o xwin.o parse_input.o p
 all:	xnecview
 
 xnecview:	$(OBJS)
-	$(CC) $(CFLAGS) $(LDFLAGS) $(OBJS)  -o xnecview
+	$(CC) $(CFLAGS) $(LDFLAGS) $(OBJS) $(LIBS) -o xnecview
 
 xnecview.tgz:	$(SRCS)
 	tar czvf xnecview.tgz COPYING README HISTORY Imakefile Imakefile_nopng Makefile $(SRCS) xnecview.h config.h xnecview.1x xnecview.man
