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# makefile for libpng
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# Copyright (C) 2002, 2006, 2009 Glenn Randers-Pehrson
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# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
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# This code is released under the libpng license.
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# For conditions of distribution and use, see the disclaimer
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# and license in png.h
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# This makefile requires the file ansi2knr.c, which you can get
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# from the Ghostscript ftp site at ftp://ftp.cs.wisc.edu/ghost/
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# If you have libjpeg, you probably already have ansi2knr.c in the jpeg
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# source distribution.
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# where make install puts libpng.a and png.h
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prefix=/usr/local
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INCPATH=$(prefix)/include
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LIBPATH=$(prefix)/lib
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# override DESTDIR= on the make install command line to easily support
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# installing into a temporary location. Example:
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#
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# make install DESTDIR=/tmp/build/libpng
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#
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# If you're going to install into a temporary location
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# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
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# you execute make install.
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DESTDIR=
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CC=cc
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CFLAGS=-I../zlib -O
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LDFLAGS=-L. -L../zlib/ -lpng -lz -lm
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# flags for ansi2knr
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ANSI2KNRFLAGS=
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RANLIB=ranlib
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#RANLIB=echo
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OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
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pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
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pngwtran.o pngmem.o pngerror.o pngpread.o
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all: ansi2knr libpng.a pngtest
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# general rule to allow ansi2knr to work
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.c.o:
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./ansi2knr $*.c T$*.c
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$(CC) $(CFLAGS) -c T$*.c
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rm -f T$*.c $*.o
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mv T$*.o $*.o
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ansi2knr: ansi2knr.c
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$(CC) $(CFLAGS) $(ANSI2KNRFLAGS) -o ansi2knr ansi2knr.c
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libpng.a: ansi2knr $(OBJS)
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ar rc $@ $(OBJS)
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$(RANLIB) $@
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pngtest: pngtest.o libpng.a
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$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
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test: pngtest
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./pngtest
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install: libpng.a png.h pngconf.h
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-@mkdir $(DESTDIR)$(INCPATH)
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-@mkdir $(DESTDIR)$(INCPATH)/libpng
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-@mkdir $(DESTDIR)$(LIBPATH)
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-@rm -f $(DESTDIR)$(INCPATH)/png.h
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-@rm -f $(DESTDIR)$(INCPATH)/pngconf.h
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cp png.h $(DESTDIR)$(INCPATH)/libpng
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cp pngconf.h $(DESTDIR)$(INCPATH)/libpng
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chmod 644 $(DESTDIR)$(INCPATH)/libpng/png.h
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chmod 644 $(DESTDIR)$(INCPATH)/libpng/pngconf.h
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(cd $(DESTDIR)$(INCPATH); ln -f -s libpng/* .)
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cp libpng.a $(DESTDIR)$(LIBPATH)
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chmod 644 $(DESTDIR)$(LIBPATH)/libpng.a
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clean:
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rm -f *.o libpng.a pngtest pngout.png ansi2knr
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DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
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writelock:
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chmod a-w *.[ch35] $(DOCS) scripts/*
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# DO NOT DELETE THIS LINE -- make depend depends on it.
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png.o: png.h pngconf.h
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pngerror.o: png.h pngconf.h
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pngrio.o: png.h pngconf.h
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pngwio.o: png.h pngconf.h
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pngmem.o: png.h pngconf.h
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pngset.o: png.h pngconf.h
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pngget.o: png.h pngconf.h
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pngread.o: png.h pngconf.h
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pngpread.o: png.h pngconf.h
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pngrtran.o: png.h pngconf.h
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pngrutil.o: png.h pngconf.h
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pngtrans.o: png.h pngconf.h
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pngwrite.o: png.h pngconf.h
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pngwtran.o: png.h pngconf.h
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pngwutil.o: png.h pngconf.h
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pngtest.o: png.h pngconf.h
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