makefile.clang

# CC = g+
# CC = /usr/local/Cellar/gcc44/4.4.7/bin/g++-4.4
CC = /usr/bin/clang++

PLATFORM = $(shell uname)
FINDNVCC = $(shell which nvcc)

#SYSTEM = $(shell $(CC) -dumpmachine) # might be better(?)

ifeq ($(PLATFORM), Linux)
  CUDAHOME = $(shell readlink -f $(FINDNVCC) | sed 's,/bin/nvcc,,')
  CUDALIB = $(CUDAHOME)/lib64
endif

ifeq ($(PLATFORM), Darwin)
  CUDAHOME = $(shell ./read_link.sh $(FINDNVCC) | sed 's,/bin/nvcc,,')
  CUDALIB = $(CUDAHOME)/lib
endif

# if gcc ...
#OPT = 

# if clang ...
OPT = -Xcompiler -arch -Xcompiler x86_64

# Either compiler
#OPT += -gencode arch=compute_10,code=sm_10 -gencode arch=compute_20,code=sm_20 -gencode arch=compute_30,code=sm_30 -gencode arch=compute_35,code=\"sm_35,compute_35\"


# Redefine CUDAHOME and/or CUDALIB if necessary 
#
# ks.uiuc.edu (Beckman Institute)
# CUDAHOME = /usr/local/encap/cuda-4.0
# CUDALIB = $(CUDAHOME)/lib64
# physics.illinois.edu (Loomis Laboratory)
# CUDAHOME = /software/cuda-toolkit-5.0-x86_64/cuda

CUDAINC  = $(CUDAHOME)/include

NVCC = $(CUDAHOME)/bin/nvcc

NVCCFLAGS = -ccbin $(CC) -m64 -O3 $(OPT)
NVCCINC = -I -DUNIX

CCFLAGS = -O3 -Wall -Wno-write-strings -m64 -I$(CUDAINC) -stdlib=libstdc++
# stdlib is necessary for clang++

LFLAGS = -L$(CUDALIB) -lcurand -lcudart -Wl,-rpath,$(CUDALIB) -I$(CUDAINC)

TARGET = runBrownCUDA

CC_SRC := $(wildcard *.cpp)
CC_SRC := $(filter-out runBrownTown.cpp, $(CC_SRC))
CU_SRC := $(wildcard *.cu)

CC_OBJ := $(patsubst %.cpp, %.o, $(CC_SRC))
CU_OBJ := $(patsubst %.cu, %.o, $(CU_SRC))

# Make EXEC empty to compile
# Make EXEC @echo to see what would be run otherwise
EXEC =  @echo 

all: $(TARGET)
	@echo "Done ->" $(TARGET)

$(TARGET): $(CU_OBJ) $(CC_OBJ) runBrownTown.cpp vmdsock.c imd.c imd.h
	$(EXEC) $(CC) $(CCFLAGS) $(LFLAGS) runBrownTown.cpp vmdsock.c imd.c $(CU_OBJ) $(CC_OBJ) -o $(TARGET)

$(CU_OBJ): %.o: %.cu %.h
	$(EXEC) $(NVCC) $(NVCCFLAGS) -c $< -o $@
	
$(CC_OBJ): %.o: %.cpp %.h
	$(EXEC) $(CC) $(CCFLAGS) -c $< -o $@
	
clean:
	rm -f $(TARGET) $(CU_OBJ) $(CC_OBJ)