#/******************************************************************************
  # * Copyright (c) 2011, Duane Merrill.  All rights reserved.
  # * Copyright (c) 2011-2018, NVIDIA CORPORATION.  All rights reserved.
  # * 
  # * Redistribution and use in source and binary forms, with or without
  # * modification, are permitted provided that the following conditions are met:
  # *	 * Redistributions of source code must retain the above copyright
  # *	   notice, this list of conditions and the following disclaimer.
  # *	 * 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.
  # *	 * Neither the name of the NVIDIA CORPORATION 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 NVIDIA CORPORATION 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.
  # *
  #******************************************************************************/
   
  #-------------------------------------------------------------------------------
  # Build script for project
  #-------------------------------------------------------------------------------
  
  NVCC = "$(shell which nvcc)"
  NVCC_VERSION = $(strip $(shell nvcc --version | grep release | sed 's/.*release //' |  sed 's/,.*//'))
  
  # detect OS
  OSUPPER = $(shell uname -s 2>/dev/null | tr [:lower:] [:upper:])
  
  #-------------------------------------------------------------------------------
  # Libs
  #-------------------------------------------------------------------------------
  
  
  #-------------------------------------------------------------------------------
  # Includes
  #-------------------------------------------------------------------------------
  
  INC = -I. -I.. -I../test
  
  #-------------------------------------------------------------------------------
  # Libs
  #-------------------------------------------------------------------------------
  
  LIBS += -lcudart 
  
  #-------------------------------------------------------------------------------
  # Defines
  #-------------------------------------------------------------------------------
  
  DEFINES = 
  
  #-------------------------------------------------------------------------------
  # SM Arch
  #-------------------------------------------------------------------------------
  
  ifdef sm
  	SM_ARCH = $(sm)
  else 
      SM_ARCH = 200
  endif
  
  # Only one arch per tuning binary
  ifeq (350, $(findstring 350, $(SM_ARCH)))
      SM_TARGETS = -arch=sm_35
      SM_ARCH = 350
  endif
  ifeq (300, $(findstring 300, $(SM_ARCH)))
      SM_TARGETS = -arch=sm_30
      SM_ARCH = 300
  endif
  ifeq (200, $(findstring 200, $(SM_ARCH)))
      SM_TARGETS = -arch=sm_20
      SM_ARCH = 200
  endif
  ifeq (130, $(findstring 130, $(SM_ARCH)))
      SM_TARGETS = -arch=sm_13
      SM_ARCH = 130
  endif
  ifeq (110, $(findstring 110, $(SM_ARCH)))
      SM_TARGETS = -arch=sm_11 
      SM_ARCH = 110
  endif
  ifeq (100, $(findstring 100, $(SM_ARCH)))
      SM_TARGETS = -arch=sm_10 
      SM_ARCH = 100
  endif
  
  
  #-------------------------------------------------------------------------------
  # Compiler Flags
  #-------------------------------------------------------------------------------
  
  NVCCFLAGS = -Xptxas -v -Xcudafe -\#
  
  # Help the compiler/linker work with huge numbers of kernels on Windows
  ifeq (WIN_NT, $(findstring WIN_NT, $(OSUPPER)))
  	NVCCFLAGS += -Xcompiler /bigobj -Xcompiler /Zm500
  endif
  
  # 32/64-bit (32-bit device pointers by default) 
  ifeq ($(force32), 1)
  	CPU_ARCH = -m32
  	CPU_ARCH_SUFFIX = i386
  else
  	CPU_ARCH = -m64
  	CPU_ARCH_SUFFIX = x86_64
  endif
  
  # CUDA ABI enable/disable (enabled by default) 
  ifneq ($(abi), 0)
  	ABI_SUFFIX = abi
  else 
  	NVCCFLAGS += -Xptxas -abi=no
  	ABI_SUFFIX = noabi
  endif
  
  # NVVM/Open64 middle-end compiler (nvvm by default)
  ifeq ($(open64), 1)
  	NVCCFLAGS += -open64
  	PTX_SUFFIX = open64
  else 
  	PTX_SUFFIX = nvvm
  endif
  
  # Verbose toolchain output from nvcc
  ifeq ($(verbose), 1)
  	NVCCFLAGS += -v
  endif
  
  # Keep intermediate compilation artifacts
  ifeq ($(keep), 1)
  	NVCCFLAGS += -keep
  endif
  
  # Data type size to compile a schmoo binary for
  ifdef tunesize
      TUNE_SIZE = $(tunesize)
  else 
  	TUNE_SIZE = 4
  endif
  
  
  SUFFIX = $(TUNE_SIZE)B_sm$(SM_ARCH)_$(PTX_SUFFIX)_$(NVCC_VERSION)_$(ABI_SUFFIX)_$(CPU_ARCH_SUFFIX)
  
  #-------------------------------------------------------------------------------
  # Dependency Lists
  #-------------------------------------------------------------------------------
  
  rwildcard=$(foreach d,$(wildcard $1*),$(call rwildcard,$d/,$2) $(filter $(subst *,%,$2),$d))
  
  DEPS =	 ./Makefile \
  		../test/test_util.h \
  		$(call rwildcard,../cub/,*.cuh)
  
  
  #-------------------------------------------------------------------------------
  # make default
  #-------------------------------------------------------------------------------
  
  default:
  
  
  #-------------------------------------------------------------------------------
  # make clean
  #-------------------------------------------------------------------------------
  
  clean :
  	rm -f bin/*$(CPU_ARCH_SUFFIX)* 
  	rm -f *.i* *.cubin *.cu.c *.cudafe* *.fatbin.c *.ptx *.hash *.cu.cpp *.o
  
  
  
  #-------------------------------------------------------------------------------
  # make tune_device_reduce
  #-------------------------------------------------------------------------------
  
  tune_device_reduce: bin/tune_device_reduce_$(SUFFIX)
  
  bin/tune_device_reduce_$(SUFFIX) : tune_device_reduce.cu $(DEPS)
  	mkdir -p bin
  	$(NVCC) $(DEFINES) $(SM_TARGETS) -o bin/tune_device_reduce_$(SUFFIX) tune_device_reduce.cu $(NVCCFLAGS) $(CPU_ARCH) $(INC) $(LIBS) -O3 -DTUNE_ARCH=$(SM_ARCH) -DTUNE_SIZE=$(TUNE_SIZE)