text: # makefile for libpng on DEC Alpha Unix
  # Copyright (C) 2000-2002, 2006 Glenn Randers-Pehrson
  # Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
  # For conditions of distribution and use, see copyright notice in png.h
  
  # Library name:
  PNGMAJ = 0
  PNGMIN = 1.2.20
  PNGVER = $(PNGMAJ).$(PNGMIN)
  LIBNAME = libpng12
  
  # Shared library names:
  LIBSO=$(LIBNAME).so
  LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
  LIBSOVER=$(LIBNAME).so.$(PNGVER)
  OLDSO=libpng.so
  OLDSOMAJ=libpng.so.3
  OLDSOVER=libpng.so.3.$(PNGMIN)
  
  # Utilities:
  AR_RC=ar rc
  CC=cc
  MKDIR_P=mkdir
  LN_SF=ln -f -s
  RANLIB=ranlib
  RM_F=/bin/rm -f
  
  # where make install puts libpng.a and png.h
  prefix=/usr/local
  exec_prefix=$(prefix)
  INCPATH=$(prefix)/include
  LIBPATH=$(exec_prefix)/lib
  MANPATH=$(prefix)/man
  BINPATH=$(exec_prefix)/bin
  
  # override DESTDIR= on the make install command line to easily support
  # installing into a temporary location.  Example:
  #
  #    make install DESTDIR=/tmp/build/libpng
  #
  # If you're going to install into a temporary location
  # via DESTDIR, $(DESTDIR)$(prefix) must already exist before
  # you execute make install.
  DESTDIR=
  
  DB=$(DESTDIR)$(BINPATH)
  DI=$(DESTDIR)$(INCPATH)
  DL=$(DESTDIR)$(LIBPATH)
  DM=$(DESTDIR)$(MANPATH)
  
  # Where the zlib library and include files are located
  #ZLIBLIB=/usr/local/lib
  #ZLIBINC=/usr/local/include
  ZLIBLIB=../zlib
  ZLIBINC=../zlib
  
  CFLAGS=-std -w1 -I$(ZLIBINC) -O # -g -DPNG_DEBUG=1
  LDFLAGS=-L$(ZLIBLIB) -rpath $(ZLIBLIB) libpng.a -lz -lm
  
  OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
  	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
  	pngwtran.o pngmem.o pngerror.o pngpread.o
  
  all: $(LIBSO) libpng.a pngtest libpng.pc libpng-config
  
  libpng.a: $(OBJS)
  	$(AR_RC) $@  $(OBJS)
  	$(RANLIB) $@
  
  libpng.pc:
  	cat scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! > libpng.pc
  
  libpng-config:
  	( cat scripts/libpng-config-head.in; \
  	echo prefix=\"$(prefix)\"; \
  	echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
  	echo ccopts=\"-std\"; \
  	echo L_opts=\"-L$(LIBPATH)\"; \
  	echo libs=\"-lpng12 -lz -lm\"; \
  	cat scripts/libpng-config-body.in ) > libpng-config
  	chmod +x libpng-config
  
  $(LIBSO): $(LIBSOMAJ)
  	$(LN_SF) $(LIBSOMAJ) $(LIBSO)
  
  $(LIBSOMAJ): $(LIBSOVER)
  	$(LN_SF) $(LIBSOVER) $(LIBSOMAJ)
  
  $(LIBSOVER): $(OBJS)
  	$(CC) -shared -o $@ $(OBJS) -L$(ZLIBLIB) \
  	-soname $(LIBSOMAJ)
  
  $(OLDSOVER): $(OBJS)
  	$(CC) -shared -o $@ $(OBJS) -L$(ZLIBLIB) \
  	-soname $(OLDSOMAJ)
  
  pngtest: pngtest.o libpng.a
  	$(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS)
  
  test: pngtest
  	./pngtest
  
  install-headers: png.h pngconf.h
  	-@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
  	-@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
  	cp png.h pngconf.h $(DI)/$(LIBNAME)
  	chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h
  	-@/bin/rm -f $(DI)/png.h $(DI)/pngconf.h
  	-@/bin/rm -f $(DI)/libpng
  	(cd $(DI); $(LN_SF)(LIBNAME) libpng; $(LN_SF)(LIBNAME)/* .)
  
  install-static: install-headers libpng.a
  	-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
  	cp libpng.a $(DL)/$(LIBNAME).a
  	chmod 644 $(DL)/$(LIBNAME).a
  	-@/bin/rm -f $(DL)/libpng.a
  	(cd $(DL); $(LN_SF)(LIBNAME).a libpng.a)
  
  install-shared: install-headers $(LIBSOVER) libpng.pc \
  	$(OLDSOVER)
  	-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
  	-@/bin/rm -f $(DL)/$(LIBSOVER)* $(DL)/$(LIBSO)
  	-@/bin/rm -f $(DL)/$(LIBSOMAJ)
  	-@/bin/rm -f $(DL)/$(OLDSO)
  	-@/bin/rm -f $(DL)/$(OLDSOMAJ)
  	-@/bin/rm -f $(DL)/$(OLDSOVER)*
  	cp $(LIBSOVER) $(DL)
  	cp $(OLDSOVER) $(DL)
  	chmod 755 $(DL)/$(LIBSOVER)
  	chmod 755 $(DL)/$(OLDSOVER)
  	(cd $(DL); \
  	$(LN_SF) $(OLDSOVER) $(OLDSOMAJ); \
  	$(LN_SF) $(OLDSOMAJ) $(OLDSO); \
  	$(LN_SF)(LIBSOVER) $(LIBSOMAJ); \
  	$(LN_SF)(LIBSOMAJ) $(LIBSO))
  	-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
  	-@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
  	-@/bin/rm -f $(DL)/pkgconfig/libpng.pc
  	cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
  	chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
  	(cd $(DL)/pkgconfig; $(LN_SF)(LIBNAME).pc libpng.pc)
  
  install-man: libpng.3 libpngpf.3 png.5
  	-@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
  	-@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
  	-@/bin/rm -f $(DM)/man3/libpng.3
  	-@/bin/rm -f $(DM)/man3/libpngpf.3
  	cp libpng.3 $(DM)/man3
  	cp libpngpf.3 $(DM)/man3
  	-@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
  	-@/bin/rm -f $(DM)/man5/png.5
  	cp png.5 $(DM)/man5
  
  install-config: libpng-config
  	-@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
  	-@/bin/rm -f $(DB)/libpng-config
  	-@/bin/rm -f $(DB)/$(LIBNAME)-config
  	cp libpng-config $(DB)/$(LIBNAME)-config
  	chmod 755 $(DB)/$(LIBNAME)-config
  	(cd $(DB); $(LN_SF)(LIBNAME)-config libpng-config)
  
  install: install-static install-shared install-man install-config
  
  # If you installed in $(DESTDIR), test-installed won't work until you
  # move the library to its final location.  Use test-dd to test it
  # before then.
  
  test-dd:
  	echo
  	echo Testing installed dynamic shared library in $(DL).
  	$(CC) -w1 -I$(DI) -I$(ZLIBINC) \
  	   `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
  	   -L$(DL) -L$(ZLIBLIB)  -R$(ZLIBLIB) -R$(DL) \
  	   -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
  	./pngtestd pngtest.png
  
  test-installed:
  	echo
  	echo Testing installed dynamic shared library.
  	$(CC) -w1 -I$(ZLIBINC) \
  	   `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
  	   -L$(ZLIBLIB) -R$(ZLIBLIB) \
  	   -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
  	./pngtesti pngtest.png
  
  clean:
  	/bin/rm -f *.o libpng.a pngtest pngtesti pngout.png \
  	libpng-config $(LIBSO) $(LIBSOMAJ)* \
  	$(OLDSOVER) \
  	libpng.pc
  
  # DO NOT DELETE THIS LINE -- make depend depends on it.
  
  png.o: png.h pngconf.h
  pngerror.o: png.h pngconf.h
  pngrio.o: png.h pngconf.h
  pngwio.o: png.h pngconf.h
  pngmem.o: png.h pngconf.h
  pngset.o: png.h pngconf.h
  pngget.o: png.h pngconf.h
  pngread.o: png.h pngconf.h
  pngrtran.o: png.h pngconf.h
  pngrutil.o: png.h pngconf.h
  pngtest.o: png.h pngconf.h
  pngtrans.o: png.h pngconf.h
  pngwrite.o: png.h pngconf.h
  pngwtran.o: png.h pngconf.h
  pngwutil.o: png.h pngconf.h
  pngpread.o: png.h pngconf.h
  
  