$NetBSD: patch-ah,v 1.1 2001/04/05 13:57:15 wiz Exp $

This patch is based on
http://www.mit.edu/afs/athena/contrib/graphics/src/xv/patches/png/xvpng.diff
It was edited to fit into the NetBSD Packages Collection! - HF

---------------------------------------------------------------------------


--- Imakefile.orig	Sun Jun 13 04:15:05 1999
+++ Imakefile	Sun Jun 13 04:31:20 1999
@@ -23,6 +23,9 @@
 #define HavePDS
 
 
+#define UseInstalledPng
+#define UseInstalledZlib
+
 /*
  * if you are running on a SysV-based machine, such as HP, Silicon Graphics,
  * etc, uncomment one of the following lines to get you *most* of the way
@@ -149,6 +152,35 @@
 PDS = -DDOPDS
 #endif
 
+/*
+###
+### if, for whatever reason, you're unable to get the PNG library to compile
+### on your machine, *COMMENT OUT* the following lines
+###
+*/
+#ifdef UseInstalledPng
+PNG    = -DDOPNG
+PNGDIR = ${LOCALBASE}
+PNGINC = -I$(PNGDIR)/include
+PNGLIB = -L$(PNGDIR)/lib -lpng -lz
+LIBPNG = ${PNGLIB}
+PNGINCLUDE = ${PNGINC}
+#endif
+
+/*
+###
+### if, for whatever reason, you're unable to get the PNG library to compile
+### on your machine, *COMMENT OUT* the following lines
+###
+*/
+#ifdef UseInstalledZlib
+ZLIBDIR = $(LOCALBASE)
+ZLIBINC = -I$(ZLIBDIR)/include
+ZLIBLIB = -L$(ZLIBDIR)/lib -lz
+LIBZLIB = ${ZLIB}
+ZLIBINCLUDE = ${ZLIBINC}
+#endif
+
 #if defined(SCOArchitecture)
 SCO= -Dsco -DPOSIX -DNO_RANDOM 
 SYS_LIBRARIES=        -lm -lc -lx 
@@ -157,14 +189,14 @@
 #endif
 
 
-DEPLIBS = $(DEPLIBJPEG) $(DEPLIBTIFF)
-LOCAL_LIBRARIES = $(XLIB) $(LIBJPEG) $(LIBTIFF)
+DEPLIBS = $(DEPLIBJPEG) $(DEPLIBTIFF) $(DEPLIBPNG) $(DEPLIBZLIB)
+LOCAL_LIBRARIES = $(XLIB) $(LIBJPEG) $(LIBTIFF) $(LIBPNG) $(LIBZLIB)
 
 DEFINES= $(SCO) $(UNIX) $(NODIRENT) $(VPRINTF) $(TIMERS) \
-	$(HPUX7) $(JPEG) $(TIFF) $(PDS) $(DXWM) $(RAND) \
+	$(HPUX7) $(JPEG) $(TIFF) $(PNG) $(PDS) $(DXWM) $(RAND) \
 	$(BACKING_STORE) $(BSDTYPES) $(SGI)
 
-INCLUDES = $(JPEGINCLUDE) $(TIFFINCLUDE)
+INCLUDES = $(JPEGINCLUDE) $(TIFFINCLUDE) $(PNGINCLUDE) $(ZLIBINCLUDE)
 
 SRCS1 =	xv.c xvevent.c xvroot.c xvmisc.c xvimage.c xvcolor.c xvsmooth.c \
 	xv24to8.c xvgif.c xvpm.c xvinfo.c xvctrl.c xvscrl.c xvalg.c \
@@ -172,7 +204,8 @@
 	xvdial.c xvgraf.c xvsunras.c xvjpeg.c xvps.c xvpopup.c xvdflt.c \
 	xvtiff.c xvtiffwr.c xvpds.c xvrle.c xviris.c xvgrab.c vprintf.c \
 	xvbrowse.c xvtext.c xvpcx.c xviff.c xvtarga.c xvxpm.c xvcut.c \
-	xvxwd.c xvfits.c xvmag.c xvmaki.c xvpic.c xvpi.c xvpic2.c xvpcd.c
+	xvxwd.c xvfits.c xvmag.c xvmaki.c xvpic.c xvpi.c xvpic2.c xvpcd.c \
+	xvpng.c
 
 OBJS1 =	xv.o xvevent.o xvroot.o xvmisc.o xvimage.o xvcolor.o xvsmooth.o \
 	xv24to8.o xvgif.o xvpm.o xvinfo.o xvctrl.o xvscrl.o xvalg.o \
@@ -180,7 +213,8 @@
 	xvdial.o xvgraf.o xvsunras.o xvjpeg.o xvps.o xvpopup.o xvdflt.o \
 	xvtiff.o xvtiffwr.o xvpds.o xvrle.o xviris.o xvgrab.o vprintf.o \
 	xvbrowse.o xvtext.o xvpcx.o xviff.o xvtarga.o xvxpm.o xvcut.o \
-	xvxwd.o xvfits.o xvmag.o xvmaki.o xvpic.o xvpi.o xvpic2.o xvpcd.o
+	xvxwd.o xvfits.o xvmag.o xvmaki.o xvpic.o xvpi.o xvpic2.o xvpcd.o \
+	xvpng.o
 
 SRCS2=	bggen.c
 OBJS2=	bggen.o