CC = gcc

HAVE_LIBPNG := $(shell pkg-config libpng; echo $?)

ifeq ($(HAVE_LIBPNG),1)
$(error No package 'libpng' found)
endif

CFLAGS = -Wall -Wextra -Werror -Wno-sign-compare -std=c11 -O2 -DPNG_SKIP_SETJMP_CHECK $(shell pkg-config --cflags libpng)

LIBS = $(shell pkg-config --libs libpng)

SRCS = main.c convert_png.c gfx.c jasc_pal.c lz.c rl.c util.c font.c huff.c json.c cJSON.c

.PHONY: all clean

all: nitrogfx
	@:

nitrogfx-debug: $(SRCS) convert_png.h gfx.h global.h jasc_pal.h lz.h rl.h util.h font.h
	$(CC) $(CFLAGS) -DDEBUG $(SRCS) -o $@ $(LDFLAGS) $(LIBS)

nitrogfx: $(SRCS) convert_png.h gfx.h global.h jasc_pal.h lz.h rl.h util.h font.h
	$(CC) $(CFLAGS) $(SRCS) -o $@ $(LDFLAGS) $(LIBS)

clean:
	$(RM) nitrogfx nitrogfx.exe