Makefile.libpng

ifndef MAKEFILE_LIBPNG_INCLUDED
MAKEFILE_LIBPNG_INCLUDED := 1

include build/common.inc

include build/libpng.inc

#
# libpng
#

ifdef LIBPNG.STATIC

include Makefile.zlib

ifndef ZLIB.STATIC
$(error libpng needs zlib.)
endif

all:: libpng.lib

clean:: libpng.clean

LIBPNG.SRCS       := $(LIBPNG.C)
LIBPNG.SRCS.NAMES := $(notdir $(LIBPNG.SRCS))
LIBPNG.OBJS       := $(addprefix tmp/$(SYSTEM)/libpng/static/,$(LIBPNG.SRCS.NAMES))
LIBPNG.OBJS       := $(LIBPNG.OBJS:.c=.o)
LIBPNG.DEPS       := $(LIBPNG.DEPS:.o=.d)

-include $(LIBPNG.DEPS)

LIBPNG.CFLAGS     += -fvisibility=hidden

ifeq ($(filter-out linux% darwin% nacl%,$(SYSTEM)),)
LIBPNG.CFLAGS     += -DHAVE_UNISTD_H
endif

libpng.lib: lib/$(SYSTEM)/$(LIBPNG.STATIC)

libpng.clean:
	$(RM) -r tmp/$(SYSTEM)/libpng/static
	$(RM) -r lib/$(SYSTEM)/$(LIBPNG.STATIC)

libpng.lib: zlib.lib lib/$(SYSTEM)/$(LIBPNG.STATIC)

tmp/$(SYSTEM)/libpng/static/%.o: src/libpng/src/%.c
	@mkdir -p $(dir $@)
	$(LOG_CC)$(CCACHE) $(CC) $(LIBPNG.CFLAGS) $(CFLAGS) $(PICFLAG) -o $@ -c $<

lib/$(SYSTEM)/$(LIBPNG.STATIC): $(LIBPNG.OBJS)
	@mkdir -p $(dir $@)
	$(LOG_AR)$(CCACHE) $(AR) cr $@ $(LIBPNG.OBJS)
ifneq ($(RANLIB),)
	$(LOG_RANLIB)$(RANLIB) $@
endif
ifneq ($(STRIP),)
	$(LOG_STRIP)$(STRIP) -x $@
endif

endif
endif