1# makefile for libpng
2# Copyright (C) 2002, 2006, 2009 Glenn Randers-Pehrson
3# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
4#
5# This code is released under the libpng license.
6# For conditions of distribution and use, see the disclaimer
7# and license in png.h
8#
9# This makefile requires the file ansi2knr.c, which you can get
10# from the Ghostscript ftp site at ftp://ftp.cs.wisc.edu/ghost/
11# If you have libjpeg, you probably already have ansi2knr.c in the jpeg
12# source distribution.
13
14# where make install puts libpng.a and png.h
15prefix=/usr/local
16INCPATH=$(prefix)/include
17LIBPATH=$(prefix)/lib
18
19# override DESTDIR= on the make install command line to easily support
20# installing into a temporary location.  Example:
21#
22#    make install DESTDIR=/tmp/build/libpng
23#
24# If you're going to install into a temporary location
25# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
26# you execute make install.
27DESTDIR=
28
29CC=cc
30CFLAGS=-I../zlib -O
31LDFLAGS=-L. -L../zlib/ -lpng -lz -lm
32# flags for ansi2knr
33ANSI2KNRFLAGS=
34
35RANLIB=ranlib
36#RANLIB=echo
37
38OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
39	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
40	pngwtran.o pngmem.o pngerror.o pngpread.o
41
42all: ansi2knr libpng.a pngtest
43
44# general rule to allow ansi2knr to work
45.c.o:
46	./ansi2knr $*.c T$*.c
47	$(CC) $(CFLAGS) -c T$*.c
48	rm -f T$*.c $*.o
49	mv T$*.o $*.o
50
51ansi2knr: ansi2knr.c
52	$(CC) $(CFLAGS) $(ANSI2KNRFLAGS) -o ansi2knr ansi2knr.c
53
54libpng.a: ansi2knr $(OBJS)
55	ar rc $@  $(OBJS)
56	$(RANLIB) $@
57
58pngtest: pngtest.o libpng.a
59	$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
60
61test: pngtest
62	./pngtest
63
64install: libpng.a png.h pngconf.h
65	-@mkdir $(DESTDIR)$(INCPATH)
66	-@mkdir $(DESTDIR)$(INCPATH)/libpng
67	-@mkdir $(DESTDIR)$(LIBPATH)
68	-@rm -f $(DESTDIR)$(INCPATH)/png.h
69	-@rm -f $(DESTDIR)$(INCPATH)/pngconf.h
70	cp png.h $(DESTDIR)$(INCPATH)/libpng
71	cp pngconf.h $(DESTDIR)$(INCPATH)/libpng
72	chmod 644 $(DESTDIR)$(INCPATH)/libpng/png.h
73	chmod 644 $(DESTDIR)$(INCPATH)/libpng/pngconf.h
74	(cd $(DESTDIR)$(INCPATH); ln -f -s libpng/* .)
75	cp libpng.a $(DESTDIR)$(LIBPATH)
76	chmod 644 $(DESTDIR)$(LIBPATH)/libpng.a
77
78clean:
79	rm -f *.o libpng.a pngtest pngout.png ansi2knr
80
81DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
82writelock:
83	chmod a-w *.[ch35] $(DOCS) scripts/*
84
85# DO NOT DELETE THIS LINE -- make depend depends on it.
86
87png.o: png.h pngconf.h
88pngerror.o: png.h pngconf.h
89pngrio.o: png.h pngconf.h
90pngwio.o: png.h pngconf.h
91pngmem.o: png.h pngconf.h
92pngset.o: png.h pngconf.h
93pngget.o: png.h pngconf.h
94pngread.o: png.h pngconf.h
95pngpread.o: png.h pngconf.h
96pngrtran.o: png.h pngconf.h
97pngrutil.o: png.h pngconf.h
98pngtrans.o: png.h pngconf.h
99pngwrite.o: png.h pngconf.h
100pngwtran.o: png.h pngconf.h
101pngwutil.o: png.h pngconf.h
102
103pngtest.o: png.h pngconf.h
104