density-sys 0.1.0

#
# Density
#
# Copyright (c) 2013, Guillaume Voirin
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
#     1. Redistributions of source code must retain the above copyright notice, this
#        list of conditions and the following disclaimer.
#
#     2. Redistributions in binary form must reproduce the above copyright notice,
#        this list of conditions and the following disclaimer in the documentation
#        and/or other materials provided with the distribution.
#
#     3. Neither the name of the copyright holder nor the names of its
#        contributors may be used to endorse or promote products derived from
#        this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# 02/02/18 01:55
#

recursive_wildcard=$(wildcard $1$2) $(foreach d,$(wildcard $1*),$(call recursive_wildcard,$d/,$2))


UPDATE_SUBMODULES := $(shell git submodule update --init --recursive)


TARGET = benchmark

CFLAGS = -Ofast -flto -std=c99 -Wall -MD

LFLAGS = -flto


DEPS=$(wildcard *.d)

BUILD_DIRECTORY = ../build

DENSITY_STATIC_LIBRARY = libdensity.a

CLIENT_SRC_DIRECTORY = src

CPUTIME_SRC_DIRECTORY = libs/cputime/src

SPOOKYHASH_SRC_DIRECTORY = libs/spookyhash/src

CLIENT_BUILD_DIRECTORY = $(BUILD_DIRECTORY)/bench

CPUTIME_BUILD_DIRECTORY = $(BUILD_DIRECTORY)/cputime

SPOOKYHASH_BUILD_DIRECTORY = $(BUILD_DIRECTORY)/spookyhash


TARGET_TRIPLE := $(subst -, ,$(shell $(CC) -dumpmachine))

TARGET_ARCH   := $(word 1,$(TARGET_TRIPLE))

TARGET_OS     := $(word 3,$(TARGET_TRIPLE))


ifeq ($(ARCH),)

	ifeq ($(NATIVE),)

		ifeq ($(TARGET_ARCH),powerpc)

			CFLAGS += -mtune=native

		else ifeq ($(TARGET_ARCH),arm64)

                        CFLAGS += -mtune=native

		else
			CFLAGS += -march=native

		endif
	endif
else
	ifeq ($(ARCH),32)

		CFLAGS += -m32

		LFLAGS += -m32

	endif

	ifeq ($(ARCH),64)

		CFLAGS += -m64

		LFLAGS += -m64

	endif
endif

ifeq ($(OS),Windows_NT)

	bold =
	normal =
	ARROW = ^-^>

	EXTENSION = .exe

else
	bold = `tput bold`

	normal = `tput sgr0`

	ARROW = \-\>

	EXTENSION =
	ifeq ($(shell lsb_release -a 2>/dev/null | grep Distributor | awk '{ print $$3 }'),Ubuntu)

		CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0

	endif
endif

CLIENT_SRC = $(call recursive_wildcard,$(CLIENT_SRC_DIRECTORY)/,*.c)

CPUTIME_SRC = $(call recursive_wildcard,$(CPUTIME_SRC_DIRECTORY)/,*.c)

SPOOKYHASH_SRC = $(call recursive_wildcard,$(SPOOKYHASH_SRC_DIRECTORY)/,*.c)

CLIENT_OBJ = $(patsubst $(CLIENT_SRC_DIRECTORY)%.c, $(CLIENT_BUILD_DIRECTORY)%.o, $(CLIENT_SRC))

CPUTIME_OBJ = $(patsubst $(CPUTIME_SRC_DIRECTORY)%.c, $(CPUTIME_BUILD_DIRECTORY)%.o, $(CPUTIME_SRC))

SPOOKYHASH_OBJ = $(patsubst $(SPOOKYHASH_SRC_DIRECTORY)%.c, $(SPOOKYHASH_BUILD_DIRECTORY)%.o, $(SPOOKYHASH_SRC))

BENCHMARK_SRC = $(CLIENT_SRC) $(CPUTIME_SRC) $(SPOOKYHASH_SRC)

BENCHMARK_OBJ = $(CLIENT_OBJ) $(CPUTIME_OBJ) $(SPOOKYHASH_OBJ)


.PHONY: pre-compile post-compile pre-link post-link


all: $(BUILD_DIRECTORY)/$(TARGET)$(EXTENSION)


$(CLIENT_BUILD_DIRECTORY)/%.o: $(CLIENT_SRC_DIRECTORY)/%.c

	@mkdir -p "$(@D)"

	$(CC) $(CFLAGS) -c $< -o $@


$(CPUTIME_BUILD_DIRECTORY)/%.o: $(CPUTIME_SRC_DIRECTORY)/%.c

	@mkdir -p "$(@D)"

	$(CC) $(CFLAGS) -c $< -o $@


$(SPOOKYHASH_BUILD_DIRECTORY)/%.o: $(SPOOKYHASH_SRC_DIRECTORY)/%.c

	@mkdir -p "$(@D)"

	$(CC) $(CFLAGS) -c $< -o $@


pre-compile:
	@echo ${bold}Compiling Density benchmark${normal} ...


compile: pre-compile $(BENCHMARK_OBJ)


post-compile: compile

	@echo Done.

	@echo


pre-link : post-compile

	@echo ${bold}Linking Density benchmark${normal} ...


link: pre-link $(BENCHMARK_OBJ)

	$(CC) $(LFLAGS) -o $(BUILD_DIRECTORY)/$(TARGET)$(EXTENSION) $(BENCHMARK_OBJ) $(BUILD_DIRECTORY)/$(DENSITY_STATIC_LIBRARY)


post-link: link

	@echo Done.

	@echo


$(BUILD_DIRECTORY)/$(TARGET)$(EXTENSION): post-link


clean:
	@echo ${bold}Cleaning Density benchmark build files${normal} ...

	@rm -f $(BENCHMARK_OBJ)

	@rm -f $(BUILD_DIRECTORY)/$(TARGET)$(EXTENSION)

	@rm -f $(DEPS)

	@echo Done.

	@echo


-include $(BENCHMARK_OBJ:.o=.d)