Makefile.linux

# Static build ?
# STATIC_BUILD=1

# If static build fails on ubuntu / debian try this.
# UBUNTU_STATIC=1


COMMON_FLAGS += $(TUNE)
LDFLAGS      := -pthread -rdynamic
LIBS         := -lm -lrt -ldl
DCNN_LIBS    := -lcaffe -lopenblas -lboost_system -lglog -lstdc++ $(LIBS)

ifdef STATIC_BUILD
        # 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)
        # mini source: https://github.com/lemonsqueeze/caffe/tree/mini
	CAFFE=normal

	ifeq ($(CAFFE), normal)
		HDF5_LIBS = -lhdf5_serial_hl -lhdf5_serial -lsz -laec -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

	ifdef UBUNTU_STATIC
		LIBS       += libunwind.a -llzma
		EXTRA_DEPS += libunwind.a
	endif

	LDFLAGS   := -pthread -static
	DCNN_LIBS := $(CAFFE_STATIC_LIB) -lglog -lgflags -lprotobuf -lboost_system -lboost_thread -lopenblas $(HDF5_LIBS) -lstdc++  $(LIBS)
endif


strip: FORCE
	cd distribute  &&  strip pachi


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

ifdef STATIC_BUILD

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

endif


ifdef UBUNTU_STATIC

LIBUNWIND_OBJS = SetGR.o GetIPInfo.o SetIP.o GetLanguageSpecificData.o GetRegionStart.o \
                 GetDataRelBase.o GetTextRelBase.o RaiseException.o Resume.o Resume_or_Rethrow.o \
                 DeleteException.o

# Ubuntu libunwind madness ...
libunwind.a:
	-@ rm -rf libunwind.a libunwind  2>/dev/null
	-@ mkdir libunwind
	@ echo "[AR]    libunwind.a"
	@ cd libunwind; \
	  ar x /usr/lib/*-linux-gnu/libunwind.a; \
          rm $(LIBUNWIND_OBJS); \
	  ar cr ../libunwind.a *.o

endif