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# Find where we're running from, so we can store generated files here.
ifeq ($(origin MAKEFILE_DIR), undefined)
MAKEFILE_DIR := $(shell dirname $(realpath $(lastword $(MAKEFILE_LIST))))
endif
# Try to figure out the host system
HOST_OS :=
ifeq ($(OS),Windows_NT)
HOST_OS = WINDOWS
else
UNAME_S := $(shell uname -s)
ifeq ($(UNAME_S),Linux)
HOST_OS := LINUX
endif
ifeq ($(UNAME_S),Darwin)
HOST_OS := OSX
endif
endif
ARCH := $(shell if [[ $(shell uname -m) =~ i[345678]86 ]]; then echo x86_32; else echo $(shell uname -m); fi)
# Where compiled objects are stored.
OBJDIR := $(MAKEFILE_DIR)/gen/obj/
BINDIR := $(MAKEFILE_DIR)/gen/bin/
LIBDIR := $(MAKEFILE_DIR)/gen/lib/
GENDIR := $(MAKEFILE_DIR)/gen/obj/
# Settings for the host compiler.
CXX := $(CC_PREFIX)gcc
CXXFLAGS := --std=c++11 -O3 -DNDEBUG
CC := $(CC_PREFIX)gcc
CFLAGS := -O3 -DNDEBUG
LDOPTS :=
LDOPTS += -L/usr/local/lib
ARFLAGS := -r
INCLUDES := \
-I. \
-I$(MAKEFILE_DIR)/../../../ \
-I$(MAKEFILE_DIR)/downloads/ \
-I$(MAKEFILE_DIR)/downloads/eigen \
-I$(MAKEFILE_DIR)/downloads/gemmlowp \
-I$(MAKEFILE_DIR)/downloads/neon_2_sse \
-I$(MAKEFILE_DIR)/downloads/farmhash/src \
-I$(MAKEFILE_DIR)/downloads/flatbuffers/include \
-I$(GENDIR)
# This is at the end so any globally-installed frameworks like protobuf don't
# override local versions in the source tree.
INCLUDES += -I/usr/local/include
LIBS := \
-lstdc++ \
-lpthread \
-lm \
-lz
# If we're on Linux, also link in the dl library.
ifeq ($(HOST_OS),LINUX)
LIBS += -ldl
endif
include $(MAKEFILE_DIR)/ios_makefile.inc
include $(MAKEFILE_DIR)/rpi_makefile.inc
# This library is the main target for this makefile. It will contain a minimal
# runtime that can be linked in to other programs.
LIB_NAME := libtensorflow-lite.a
LIB_PATH := $(LIBDIR)$(LIB_NAME)
# A small example program that shows how to link against the library.
BENCHMARK_PATH := $(BINDIR)benchmark_model
BENCHMARK_SRCS := \
tensorflow/contrib/lite/tools/benchmark_model.cc
BENCHMARK_OBJS := $(addprefix $(OBJDIR), \
$(patsubst %.cc,%.o,$(patsubst %.c,%.o,$(BENCHMARK_SRCS))))
# What sources we want to compile, must be kept in sync with the main Bazel
# build files.
CORE_CC_ALL_SRCS := \
$(wildcard tensorflow/contrib/lite/*.cc) \
$(wildcard tensorflow/contrib/lite/kernels/*.cc) \
$(wildcard tensorflow/contrib/lite/kernels/internal/*.cc) \
$(wildcard tensorflow/contrib/lite/kernels/internal/optimized/*.cc) \
$(wildcard tensorflow/contrib/lite/kernels/internal/reference/*.cc) \
$(wildcard tensorflow/contrib/lite/*.c) \
$(wildcard tensorflow/contrib/lite/kernels/*.c) \
$(wildcard tensorflow/contrib/lite/kernels/internal/*.c) \
$(wildcard tensorflow/contrib/lite/kernels/internal/optimized/*.c) \
$(wildcard tensorflow/contrib/lite/kernels/internal/reference/*.c) \
$(wildcard tensorflow/contrib/lite/downloads/farmhash/src/farmhash.cc)
# Remove any duplicates.
CORE_CC_ALL_SRCS := $(sort $(CORE_CC_ALL_SRCS))
CORE_CC_EXCLUDE_SRCS := \
$(wildcard tensorflow/contrib/lite/*test.cc) \
$(wildcard tensorflow/contrib/lite/*/*test.cc) \
$(wildcard tensorflow/contrib/lite/*/*/*test.cc) \
$(wildcard tensorflow/contrib/lite/*/*/*/*test.cc) \
$(wildcard tensorflow/contrib/lite/kernels/test_util.cc) \
$(BENCHMARK_SRCS)
# Filter out all the excluded files.
TF_LITE_CC_SRCS := $(filter-out $(CORE_CC_EXCLUDE_SRCS), $(CORE_CC_ALL_SRCS))
# File names of the intermediate files target compilation generates.
TF_LITE_CC_OBJS := $(addprefix $(OBJDIR), \
$(patsubst %.cc,%.o,$(patsubst %.c,%.o,$(TF_LITE_CC_SRCS))))
LIB_OBJS := $(TF_LITE_CC_OBJS)
# For normal manually-created TensorFlow C++ source files.
$(OBJDIR)%.o: %.cc
@mkdir -p $(dir $@)
$(CXX) $(CXXFLAGS) $(INCLUDES) -c $< -o $@
# For normal manually-created TensorFlow C++ source files.
$(OBJDIR)%.o: %.c
@mkdir -p $(dir $@)
$(CC) $(CCFLAGS) $(INCLUDES) -c $< -o $@
# The target that's compiled if there's no command-line arguments.
all: $(LIB_PATH) $(BENCHMARK_PATH)
# Gathers together all the objects we've compiled into a single '.a' archive.
$(LIB_PATH): $(LIB_OBJS)
@mkdir -p $(dir $@)
$(AR) $(ARFLAGS) $(LIB_PATH) $(LIB_OBJS)
$(BENCHMARK_PATH): $(BENCHMARK_OBJS) $(LIB_PATH)
@mkdir -p $(dir $@)
$(CXX) $(CXXFLAGS) $(INCLUDES) \
-o $(BENCHMARK_PATH) $(BENCHMARK_OBJS) \
$(LIBFLAGS) $(LIB_PATH) $(LDFLAGS) $(LIBS)
# Gets rid of all generated files.
clean:
rm -rf $(MAKEFILE_DIR)/gen
# Gets rid of target files only, leaving the host alone. Also leaves the lib
# directory untouched deliberately, so we can persist multiple architectures
# across builds for iOS and Android.
cleantarget:
rm -rf $(OBJDIR)
rm -rf $(BINDIR)
$(DEPDIR)/%.d: ;
.PRECIOUS: $(DEPDIR)/%.d
-include $(patsubst %,$(DEPDIR)/%.d,$(basename $(TF_CC_SRCS)))
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