Makefile.msys2

# Try static build ?
# STATIC_BUILD=1

# For dcnn build, caffe msys2 package is probably in the repos now.
# Otherwise get one from https://github.com/lemonsqueeze/mingw-caffe
# ('mini' / 'nohdf5' releases allow for smaller static builds)

WIN_HAVE_NO_REGEX_SUPPORT=1

COMMON_FLAGS += $(TUNE)
LDFLAGS      := -pthread -L$(CAFFE_PREFIX)/bin -L$(MINGW_PREFIX)/bin
LIBS         := -lws2_32 -lshlwapi
CXXFLAGS     += -I$(MINGW_PREFIX)/include/OpenBLAS

# Enable mingw-w64 C99 printf() / scanf() layer ?
COMMON_FLAGS += -D__USE_MINGW_ANSI_STDIO

ifdef WIN_HAVE_NO_REGEX_SUPPORT
	COMMON_FLAGS += -DHAVE_NO_REGEX_SUPPORT
else
	LIBS         += -lregex -ltre -lintl -liconv	# Oh, dear...
endif

DCNN_LIBS := -lcaffe -lopenblas -lboost_system-mt -lglog -lstdc++ $(LIBS)

ifdef STATIC_BUILD		# Static build, good luck
        # Which type of caffe package do you have ?
        # Regular caffe package is fine but pulls in hdf5 (+deps) which we don't need
        # and requires --whole-archive for static linking. This makes binaries unnecessarily
        # bloated. Choose normal, nohdf5, or mini (mini is best)
	CAFFE=normal

	ifeq ($(CAFFE), normal)
		HDF5_LIBS = -lhdf5_hl -lhdf5 -lszip -lz
	endif

	ifeq ($(CAFFE), mini)
                # Force linking of caffe layer factory, will pull in layers we need.
		EXTRA_DCNN_OBJS := layer_factory.o
		CAFFE_STATIC_LIB = -lcaffe
	else
		CAFFE_STATIC_LIB = -Wl,--whole-archive -l:libcaffe.a -Wl,--no-whole-archive
	endif

	DCNN_LIBS := -Wl,-Bstatic $(CAFFE_STATIC_LIB)  \
		     -lboost_system-mt -lboost_thread-mt -lopenblas $(HDF5_LIBS) -lgflags_static \
		     -lglog -lprotobuf -lstdc++ -lwinpthread -lws2_32   -Wl,-Bdynamic -lshlwapi

        # glog / gflags headers really shouldn't __declspec(dllexport) symbols for us,
        # static linking will fail with undefined __imp__xxx symbols.
        # Normally this works around it.
	CXXFLAGS += -DGOOGLE_GLOG_DLL_DECL="" -DGFLAGS_DLL_DECL=""
endif


strip: FORCE
	cd distribute  &&  strip pachi.exe
	@echo "packing exe ..."
	@cd distribute  &&  upx -o p.exe pachi.exe  &&  mv p.exe pachi.exe
        ifndef MSYS2_STATIC
		@echo "copying dlls ..."
		@cd distribute; \
		    mingw=`echo $$MINGW_PREFIX | tr '/' '.' `; \
		    dlls_list="../$${mingw}_dlls"; \
		    cp `cat $$dlls_list` .
        endif


#####################################################################################
# Extra rules for static linking

ifdef STATIC_BUILD

# caffe static link: pull layer_factory.o from libcaffe.a
layer_factory.o: $(MINGW_PREFIX)/lib/libcaffe.a
	@echo "[AR]   $@"
	@ar x $< $@

endif