include ../../GDALmake.opt

ifeq ($(PNG_SETTING),internal)
XTRA_OPT =	-DPNG_NO_GLOBAL_ARRAYS -Ilibpng
OBJ	=	png.o pngerror.o pnggccrd.o pngget.o pngmem.o \
		pngpread.o pngread.o pngrio.o pngrtran.o pngrutil.o \
		pngset.o pngtrans.o pngvcrd.o pngwio.o pngwrite.o \
		pngwtran.o pngwutil.o \
		\
		pngdataset.o
else
OBJ	=	pngdataset.o
endif

XTRA_OPT	:=	$(XTRA_OPT) -I../zlib

CPPFLAGS	:=	$(XTRA_OPT) $(GDAL_INCLUDE) $(CPPFLAGS)

default:	$(OBJ)

clean:
	rm -f *.o libpng/*.o $(O_OBJ)

../o/%.o:	libpng/%.c
	$(CC) -c $(CPPFLAGS) $(CFLAGS) $< -o $@

all:	$(OBJ)

install-obj:	$(O_OBJ)