# makefile for libpng

# Copyright (C) 2002, 2014 Glenn Randers-Pehrson

# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.

#

# This code is released under the libpng license.

# For conditions of distribution and use, see the disclaimer

# and license in png.h

#

# Modified for LC56/ATARI assumes libz.lib is in same dir and uses default

# rules for library management

#

CPPFLAGS = -I..\zlib

CFLAGS = -O

LBR = png.lib

LDFLAGS = -L. -L..\zlib -lpng -lz -lm

# where make install puts libpng.a and png.h

prefix=/usr/local

INCPATH=$(prefix)/include

LIBPATH=$(prefix)/lib

# 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=

# Pre-built configuration

# See scripts/pnglibconf.mak for more options

PNGLIBCONF_H_PREBUILT = scripts/pnglibconf.h.prebuilt

OBJS = $(LBR)(png.o) $(LBR)(pngset.o) $(LBR)(pngget.o) $(LBR)(pngrutil.o)\

	$(LBR)(pngtrans.o) $(LBR)(pngwutil.o)\

	$(LBR)(pngread.o) $(LBR)(pngerror.o) $(LBR)(pngwrite.o)\

	$(LBR)(pngrtran.o) $(LBR)(pngwtran.o)\

	$(LBR)(pngmem.o) $(LBR)(pngrio.o) $(LBR)(pngwio.o) $(LBR)(pngpread.o)

all: $(LBR) pngtest.ttp

.c.o:

	$(CC) -c $(CPPFLAGS) $(CFLAGS) $<

$(LBR): $(OBJS)

$(OBJS): pngpriv.h png.h pngconf.h pnglibconf.h pnginfo.h pngstruct.h pngdebug.h

pnglibconf.h: $(PNGLIBCONF_H_PREBUILT)

	cp $(PNGLIBCONF_H_PREBUILT) $@

pngtest.ttp: pngtest.o $(LBR)

	$(CC) $(CFLAGS) $(LDFLAGS) -o$@ pngtest.o

install: libpng.a

	-@mkdir $(DESTDIR)$(INCPATH)

	-@mkdir $(DESTDIR)$(INCPATH)/libpng

	-@mkdir $(DESTDIR)$(LIBPATH)

	-@rm -f $(DESTDIR)$(INCPATH)/png.h

	-@rm -f $(DESTDIR)$(INCPATH)/pngconf.h

	-@rm -f $(DESTDIR)$(INCPATH)/pnglibconf.h

	cp png.h $(DESTDIR)$(INCPATH)/libpng

	cp pngconf.h $(DESTDIR)$(INCPATH)/libpng

	cp pnglibconf.h $(DESTDIR)$(INCPATH)/libpng

	chmod 644 $(DESTDIR)$(INCPATH)/libpng/png.h

	chmod 644 $(DESTDIR)$(INCPATH)/libpng/pngconf.h

	chmod 644 $(DESTDIR)$(INCPATH)/libpng/pnglibconf.h

	(cd $(DESTDIR)$(INCPATH); ln -f -s $(LIBNAME) libpng; \

	ln -f -s $(LIBNAME)/* .)