CS179_GPUProgramming/Makefile at master · jberlean/CS179_GPUProgramming · GitHub

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CC = /usr/bin/g++

LD_FLAGS = -lrt

CUDA_PATH       ?= /usr/local/cuda-6.5
CUDA_INC_PATH   ?= $(CUDA_PATH)/include
CUDA_BIN_PATH   ?= $(CUDA_PATH)/bin
CUDA_LIB_PATH   ?= $(CUDA_PATH)/lib64

# CUDA code generation flags
GENCODE_FLAGS   := -gencode arch=compute_20,code=sm_20 -gencode arch=compute_30,code=sm_30 -gencode arch=compute_35,code=sm_35

# Common binaries
NVCC            ?= $(CUDA_BIN_PATH)/nvcc

# OS-specific build flags
ifneq ($(DARWIN),)
      LDFLAGS   := -Xlinker -rpath $(CUDA_LIB_PATH) -L$(CUDA_LIB_PATH) -lcudart -lcufft -lcurand
      CCFLAGS   := -arch $(OS_ARCH)
else
  ifeq ($(OS_SIZE),32)
      LDFLAGS   := -L$(CUDA_LIB_PATH) -lcudart -lcufft -lcurand
      CCFLAGS   := -m32
  else
      LDFLAGS   := -L$(CUDA_LIB_PATH) -lcudart -lcufft -lcurand
      CCFLAGS   := -m64
  endif
endif

# OS-architecture specific flags
ifeq ($(OS_SIZE),32)
      NVCCFLAGS := -m32
else
      NVCCFLAGS := -m64 --ptxas-options="-v"
endif


TARGETS = n_body_sim n_body_sim_coalesced

all: $(TARGETS)

n_body_sim: n_body_sim.cc n_body_sim_cuda.o
	$(CC) $< -o $@ n_body_sim_cuda.o -O3 $(LDFLAGS) -Wall -I$(CUDA_INC_PATH) -fopenmp

n_body_sim_coalesced: n_body_sim_coalesced.cc n_body_sim_cuda_coalesced.o
	$(CC) $< -o $@ n_body_sim_cuda_coalesced.o -O3 $(LDFLAGS) -Wall -I$(CUDA_INC_PATH) -fopenmp

n_body_sim_cuda.o: n_body_sim_cuda.cu
	$(NVCC) $(NVCCFLAGS) -O3 $(EXTRA_NVCCFLAGS) $(GENCODE_FLAGS) -I$(CUDA_INC_PATH) -o $@ -c $<

n_body_sim_cuda_coalesced.o: n_body_sim_cuda_coalesced.cu
	$(NVCC) $(NVCCFLAGS) -O3 $(EXTRA_NVCCFLAGS) $(GENCODE_FLAGS) -I$(CUDA_INC_PATH) -o $@ -c $<

clean:
	rm -f *.o $(TARGETS)

again: clean $(TARGETS)