1# makefile for libpng
  2# Copyright (C) 2002, 2006, 2009, 2014 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
 30CPPFLAGS = -I../zlib
 31CFLAGS = -O
 32LDFLAGS = -L. -L../zlib/ -lpng -lz -lm
 33# flags for ansi2knr
 34ANSI2KNRFLAGS=
 35
 36RANLIB = ranlib
 37#RANLIB = echo
 38
 39CP = cp
 40RM_F = rm -f
 41
 42# Pre-built configuration
 43# See scripts/pnglibconf.mak for more options
 44PNGLIBCONF_H_PREBUILT = scripts/pnglibconf.h.prebuilt
 45
 46OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
 47	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
 48	pngwtran.o pngmem.o pngerror.o pngpread.o
 49
 50all: ansi2knr libpng.a pngtest
 51
 52pnglibconf.h: $(PNGLIBCONF_H_PREBUILT)
 53	$(CP) $(PNGLIBCONF_H_PREBUILT) $@
 54
 55# general rule to allow ansi2knr to work
 56.c.o:
 57	./ansi2knr $*.c T$*.c
 58	$(CC) $(CPPFLAGS) $(CFLAGS) -c T$*.c
 59	rm -f T$*.c $*.o
 60	mv T$*.o $*.o
 61
 62ansi2knr: ansi2knr.c
 63	$(CC) $(CPPFLAGS) $(CFLAGS) $(ANSI2KNRFLAGS) -o ansi2knr ansi2knr.c
 64
 65libpng.a: ansi2knr $(OBJS)
 66	ar rc $@  $(OBJS)
 67	$(RANLIB) $@
 68
 69pngtest: pngtest.o libpng.a
 70	$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
 71
 72test: pngtest
 73	./pngtest
 74
 75install: libpng.a png.h pngconf.h pnglibconf.h
 76	-@mkdir $(DESTDIR)$(INCPATH)
 77	-@mkdir $(DESTDIR)$(INCPATH)/libpng
 78	-@mkdir $(DESTDIR)$(LIBPATH)
 79	-@rm -f $(DESTDIR)$(INCPATH)/png.h
 80	-@rm -f $(DESTDIR)$(INCPATH)/pngconf.h
 81	cp png.h $(DESTDIR)$(INCPATH)/libpng
 82	cp pngconf.h $(DESTDIR)$(INCPATH)/libpng
 83	cp pnglibconf.h $(DESTDIR)$(INCPATH)/libpng
 84	chmod 644 $(DESTDIR)$(INCPATH)/libpng/png.h
 85	chmod 644 $(DESTDIR)$(INCPATH)/libpng/pngconf.h
 86	chmod 644 $(DESTDIR)$(INCPATH)/libpng/pnglibconf.h
 87	(cd $(DESTDIR)$(INCPATH); ln -f -s libpng/* .)
 88	cp libpng.a $(DESTDIR)$(LIBPATH)
 89	chmod 644 $(DESTDIR)$(LIBPATH)/libpng.a
 90
 91clean:
 92	$(RM_F) *.o libpng.a pngtest pngout.png ansi2knr pnglibconf.h
 93
 94DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
 95writelock:
 96	chmod a-w *.[ch35] $(DOCS) scripts/*
 97
 98# DO NOT DELETE THIS LINE -- make depend depends on it.
 99
100png.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
101pngerror.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
102pngrio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
103pngwio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
104pngmem.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
105pngset.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
106pngget.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
107pngread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
108pngpread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
109pngrtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
110pngrutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
111pngtrans.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
112pngwrite.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
113pngwtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
114pngwutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
115
116pngtest.o: png.h pngconf.h pnglibconf.h