# Makefile to build all the available variants

BUILDS = opencvfft-st opencvfft-async fftw fftw-openmp fftw-async fftw-big fftw-big-openmp cufftw cufftw-big cufftw-big-openmp cufft cufft-big cufft-big-openmp

all: $(foreach build,$(BUILDS),build-$(build)/kcf_vot)

CMAKE_OPTS += -G Ninja
#CMAKE_OPTS += -DOpenCV_DIR=~/opt/opencv-2.4/share/OpenCV

CMAKE_OTPS_opencvfft-st      = -DFFT=OpenCV
CMAKE_OTPS_opencvfft-async   = -DFFT=OpenCV -DASYNC=ON
CMAKE_OTPS_fftw              = -DFFT=fftw
CMAKE_OTPS_fftw-openmp       = -DFFT=fftw -DOPENMP=ON
CMAKE_OTPS_fftw-async        = -DFFT=fftw -DASYNC=ON
CMAKE_OTPS_fftw-big          = -DFFT=fftw -DBIG_BATCH=ON
CMAKE_OTPS_fftw-big-openmp   = -DFFT=fftw -DBIG_BATCH=ON -DOPENMP=ON
CMAKE_OTPS_cufftw            = -DFFT=cuFFTW
CMAKE_OTPS_cufftw-big        = -DFFT=cuFFTW -DBIG_BATCH=ON
CMAKE_OTPS_cufftw-big-openmp = -DFFT=cuFFTW -DBIG_BATCH=ON -DOPENMP=ON
CMAKE_OTPS_cufft             = -DFFT=cuFFT
CMAKE_OTPS_cufft-big         = -DFFT=cuFFT -DBIG_BATCH=ON
CMAKE_OTPS_cufft-big-openmp  = -DFFT=cuFFT -DBIG_BATCH=ON -DOPENMP=ON

.SECONDARY: $(BUILDS:%=build-%/build.ninja)

build-%/build.ninja:
	mkdir -p $(@D)
	cd $(@D) && cmake $(CMAKE_OPTS) $(CMAKE_OTPS_$*) ..

.PHONY: FORCE
build-%/kcf_vot: build-%/build.ninja FORCE
	cmake --build $(@D)

$(BUILDS): %: build-%/kcf_vot

clean:
	rm -rf $(BUILDS:%=build-%)