# makefile for libpng using gcc (generic, static library)

# Copyright (C) 2008, 2014 Glenn Randers-Pehrson

# Copyright (C) 2000 Cosmin Truta

# 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

# Location of the zlib library and include files

ZLIBINC = ../zlib

ZLIBLIB = ../zlib

# Compiler, linker, lib and other tools

CC = gcc

LD = $(CC)

AR_RC = ar rcs

RANLIB = ranlib

CP = cp

RM_F = rm -f

WARNMORE = -Wwrite-strings -Wpointer-arith -Wshadow \

	-Wmissing-declarations -Wtraditional -Wcast-align \

	-Wstrict-prototypes -Wmissing-prototypes # -Wconversion

CPPFLAGS = -I$(ZLIBINC) # -DPNG_DEBUG=5

CFLAGS = -W -Wall -O2 # $(WARNMORE) -g

LDFLAGS =

LIBS = -lz -lm

# File extensions

EXEEXT =

# Pre-built configuration

# See scripts/pnglibconf.mak for more options

PNGLIBCONF_H_PREBUILT = scripts/pnglibconf.h.prebuilt

# Variables

OBJS =  png.o pngerror.o pngget.o pngmem.o pngpread.o \

	pngread.o pngrio.o pngrtran.o pngrutil.o pngset.o \

	pngtrans.o pngwio.o pngwrite.o pngwtran.o pngwutil.o

# Targets

all: static

pnglibconf.h: $(PNGLIBCONF_H_PREBUILT)

	$(CP) $(PNGLIBCONF_H_PREBUILT) $@

.c.o:

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

static: libpng.a pngtest$(EXEEXT)

shared:

	@echo This is a generic makefile that cannot create shared libraries.

	@echo Please use a configuration that is specific to your platform.

	@false

libpng.a: $(OBJS)

	$(AR_RC) $@ $(OBJS)

	$(RANLIB) $@

test: pngtest$(EXEEXT)

	./pngtest$(EXEEXT)

pngtest$(EXEEXT): pngtest.o libpng.a

	$(LD) $(LDFLAGS) -L$(ZLIBLIB) -o $@ pngtest.o libpng.a $(LIBS)

clean:

	$(RM_F) *.o libpng.a pngtest$(EXEEXT) pngout.png pnglibconf.h

png.o:      png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h

pngerror.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h

pngget.o:   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h

pngmem.o:   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h

pngpread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h

pngread.o:  png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h

pngrio.o:   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h

pngrtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h

pngrutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h

pngset.o:   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h

pngtrans.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h

pngwio.o:   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h

pngwrite.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h

pngwtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h

pngwutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h

pngtest.o:  png.h pngconf.h pnglibconf.h