fft-benchmark/Makefile

# Names of target, sources and object files
BIN = benchmark
SRC = timer.c utilities.c benchmark.c opencl_fft.c

# Dependencies
DEP_OCLFFT = .deps/oclfft/src/liboclfft.so
DEP_CLFFT = .deps/clFFT/src/library/libclFFT.so
DEPS = $(DEP_OCLFFT) $(DEP_CLFFT)

# Debug mode
CC_MARK := @

ifeq ($(V), 1)
	override CC_MARK =
endif

# Libs titiles
LIBS_MSG    =

# Common flags definition
CPPFLAGS    =
CFLAGS      ?= -O3 -Wall -Werror -Wno-unused-variable -fmessage-length=0
CFLAGS 		+= -std=c99
LDFLAGS     += -lm -lOpenCL

ifneq ($(CUDA_PATH),)
	override CPPFLAGS += -DHAVE_CUDA_FFT
	override CFLAGS += -I$(CUDA_PATH)/include
	override LDFLAGS += -L$(CUDA_PATH)/lib$(ARCH) -lcufft -lcudart -Wl,-rpath=$(CUDA_PATH)/lib$(ARCH)
	override LIBS_MSG += " +cuda"
	override SRC += $(wildcard cuda*.c)
endif

# AMD FFT library
override DEPS += $(DEP_CLFFT)
override CFLAGS += -I.deps/clFFT/src/include -DHAVE_AMD_FFT
override LDFLAGS += -L.deps/clFFT/src/library -lclFFT -Wl,-rpath=.deps/clFFT/src/library
override LIBS_MSG += " +amd"

# Apple FFT library
override CPPFLAGS += -DHAVE_APPLE_FFT
override CFLAGS += -I.deps/
override LDFLAGS += -L.deps/oclfft/src -loclfft -Wl,-rpath=.deps/oclfft/src
override LIBS_MSG += " +apple"

# FFTW library
FFTW_EXISTS = $(shell pkg-config --exists fftw3 && echo "1" || echo "0")

ifeq ($(FFTW_EXISTS),1)
	override CPPFLAGS += -DHAVE_FFTW
	override CFLAGS += $(shell pkg-config --cflags fftw3)
	override LDFLAGS += $(shell pkg-config --libs fftw3)
	override LIBS_MSG += " +fftw"
	override SRC += $(wildcard cpu*.c)
endif

ALL_CPPFLAGS     :=
ALL_CFLAGS       :=
ALL_LDFLAGS      :=

override ALL_CFLAGS   += $(CFLAGS)
override ALL_LDFLAGS  += $(LDFLAGS)
override ALL_CPPFLAGS += $(CPPFLAGS)

OBJS = $(subst .c,.o,$(SRC))

.PHONY: all clean distclean run

all: $(BIN)

%.o: %.c Makefile $(DEPS)
	@echo [CC] $@
	$(CC_MARK)$(CC) $(ALL_CPPFLAGS) $(ALL_CFLAGS) -c $< -o $@

$(BIN): $(OBJS) $(DEPS)
	@echo [LD] $@
	$(CC_MARK)$(CC) $(OBJS) -o $@ $(ALL_LDFLAGS)
	@echo "     built with:$(LIBS_MSG)"

run: $(BIN)
	@echo "Run benchmark"
	@./benchmark

clean:
	rm -f $(BIN) $(OBJS)

distclean:
	rm -rf .deps

$(DEP_OCLFFT):
	@mkdir -p .deps
	@git clone http://ufo.kit.edu/git/oclfft .deps/oclfft
	@cd .deps/oclfft; cmake .; make; ln -s src/clFFT.h clFFT.h

$(DEP_CLFFT):
	@mkdir -p .deps
	@git clone https://github.com/clMathLibraries/clFFT .deps/clFFT
	@cd .deps/clFFT/src; AMDAPPSDKROOT="" cmake . -DOPENCL_ROOT=/usr; AMDAPPSDKROOT="" make