diff options
| -rw-r--r-- | Modules/FindCUDA.cmake | 286 |
1 files changed, 145 insertions, 141 deletions
diff --git a/Modules/FindCUDA.cmake b/Modules/FindCUDA.cmake index eeecfa0..e35056f 100644 --- a/Modules/FindCUDA.cmake +++ b/Modules/FindCUDA.cmake @@ -1,4 +1,4 @@ -# - Tools for building C for CUDA files: libraries and build dependencies.
+# - Tools for building CUDA C files: libraries and build dependencies.
# This script locates the Nvidia Compute Unified Driver Architecture (CUDA)
# tools. It should work on linux, windows, and mac and should be reasonably
# up to date with cuda releases.
@@ -7,18 +7,25 @@ # REQUIRED and QUIET. CUDA_FOUND will report if an acceptable version of CUDA
# was found.
#
-# The script will prompt the user to specify CUDA_TOOLKIT_ROOT_DIR if the
-# prefix cannot be determined by the location of nvcc in the system path. To
-# use a different installed version of the toolkit set the environment variable
-# CUDA_BIN_PATH before running cmake (e.g. CUDA_BIN_PATH=/usr/local/cuda1.0
-# instead of the default /usr/local/cuda).
+# The script will prompt the user to specify CUDA_TOOLKIT_ROOT_DIR if the prefix
+# cannot be determined by the location of nvcc in the system path and REQUIRED
+# is specified to find_package(). To use a different installed version of the
+# toolkit set the environment variable CUDA_BIN_PATH before running cmake
+# (e.g. CUDA_BIN_PATH=/usr/local/cuda1.0 instead of the default
+# /usr/local/cuda) or set CUDA_TOOLKIT_ROOT_DIR after configuring.
+#
+# It might be necessary to set CUDA_TOOLKIT_ROOT_DIR manually on certain
+# platforms, or to use a cuda runtime not installed in the default location. In
+# newer versions of the toolkit the cuda library is included with the graphics
+# driver- be sure that the driver version matches what is needed by the cuda
+# runtime version.
#
# Set CUDA_BUILD_EMULATION to ON for Emulation mode. Defaults to OFF (device
-# mode).
-# _DEVICEEMU is defined when CUDA_BUILD_EMULATION is TRUE.
+# mode). -D_DEVICEEMU is defined for CUDA C files when CUDA_BUILD_EMULATION is
+# TRUE.
#
-# Set CUDA_HOST_COMPILATION_CPP to OFF for C compilation of host code.
-# Default TRUE.
+# Set CUDA_HOST_COMPILATION_CPP to OFF for C compilation of host code. Default
+# TRUE.
#
# Set CUDA_BUILD_CUBIN to "ON" or "OFF" to enable and extra compilation pass
# with the -cubin option in Device mode. The output is parsed and register,
@@ -59,148 +66,140 @@ #
# The script creates the following macros:
#
-# CUDA_INCLUDE_DIRECTORIES( path0 path1 ... )
-# -- Sets the directories that should be passed to nvcc
-# (e.g. nvcc -Ipath0 -Ipath1 ... ). These paths usually contain other .cu
-# files.
+# CUDA_INCLUDE_DIRECTORIES( path0 path1 ... )
+# -- Sets the directories that should be passed to nvcc
+# (e.g. nvcc -Ipath0 -Ipath1 ... ). These paths usually contain other .cu
+# files.
#
-# CUDA_ADD_LIBRARY( cuda_target file0 file1 ...
-# [STATIC | SHARED | MODULE] [EXCLUDE_FROM_ALL] [OPTIONS ...] )
-# -- Creates a shared library "cuda_target" which contains all of the source
-# (*.c, *.cc, etc.) specified and all of the nvcc'ed .cu files specified.
-# All of the specified source files and generated .cpp files are compiled
-# using the standard CMake compiler, so the normal INCLUDE_DIRECTORIES,
-# LINK_DIRECTORIES, and TARGET_LINK_LIBRARIES can be used to affect their
-# build and link. In addition CUDA_INCLUDE_DIRS is added automatically added
-# to include_directories().
+# CUDA_ADD_LIBRARY( cuda_target file0 file1 ...
+# [STATIC | SHARED | MODULE] [EXCLUDE_FROM_ALL] [OPTIONS ...] )
+# -- Creates a shared library "cuda_target" which contains all of the source
+# (*.c, *.cc, etc.) specified and all of the nvcc'ed .cu files specified.
+# All of the specified source files and generated .cpp files are compiled
+# using the standard CMake compiler, so the normal INCLUDE_DIRECTORIES,
+# LINK_DIRECTORIES, and TARGET_LINK_LIBRARIES can be used to affect their
+# build and link. In addition CUDA_INCLUDE_DIRS is added automatically
+# added to include_directories().
#
-# CUDA_ADD_EXECUTABLE( cuda_target file0 file1 ...
-# [WIN32] [MACOSX_BUNDLE] [EXCLUDE_FROM_ALL] [OPTIONS ...] )
-# -- Same as CUDA_ADD_LIBRARY except that an exectuable is created.
+# CUDA_ADD_EXECUTABLE( cuda_target file0 file1 ...
+# [WIN32] [MACOSX_BUNDLE] [EXCLUDE_FROM_ALL] [OPTIONS ...] )
+# -- Same as CUDA_ADD_LIBRARY except that an exectuable is created.
#
-# CUDA_COMPILE( generated_files file0 file1 ... [STATIC | SHARED | MODULE]
-# [OPTIONS ...] )
-# -- Returns a list of generated files from the input source files to be used
-# with ADD_LIBRARY or ADD_EXECUTABLE.
+# CUDA_COMPILE( generated_files file0 file1 ... [STATIC | SHARED | MODULE]
+# [OPTIONS ...] )
+# -- Returns a list of generated files from the input source files to be used
+# with ADD_LIBRARY or ADD_EXECUTABLE.
#
-# CUDA_COMPILE_PTX( generated_files file0 file1 ... [OPTIONS ...] )
-# -- Returns a list of PTX files generated from the input source files.
+# CUDA_COMPILE_PTX( generated_files file0 file1 ... [OPTIONS ...] )
+# -- Returns a list of PTX files generated from the input source files.
#
-# CUDA_WRAP_SRCS ( cuda_target format generated_files file0 file1 ...
-# [STATIC | SHARED | MODULE] [OPTIONS ...] )
-# -- This is where all the magic happens. CUDA_ADD_EXECUTABLE,
-# CUDA_ADD_LIBRARY, CUDA_COMPILE, and CUDA_COMPILE_PTX all call this function
-# under the hood.
+# CUDA_WRAP_SRCS ( cuda_target format generated_files file0 file1 ...
+# [STATIC | SHARED | MODULE] [OPTIONS ...] )
+# -- This is where all the magic happens. CUDA_ADD_EXECUTABLE,
+# CUDA_ADD_LIBRARY, CUDA_COMPILE, and CUDA_COMPILE_PTX all call this
+# function under the hood.
#
-# Given the list of files (file0 file1 ... fileN) this macro generates custom
-# commands that generate either PTX or linkable objects (use "PTX" or "OBJ"
-# for the format argument to switch. Files that don't end with .cu or have
-# the HEADER_FILE_ONLY property are ignored.
+# Given the list of files (file0 file1 ... fileN) this macro generates
+# custom commands that generate either PTX or linkable objects (use "PTX" or
+# "OBJ" for the format argument to switch. Files that don't end with .cu or
+# have the HEADER_FILE_ONLY property are ignored.
#
-# The arguments passed in after OPTIONS are extra command line options to
-# give to NVCC. You can also specify per configuration options by specifying
-# the name of the configuration followed by the options. General options
-# must preceed configuration specific options. Not all configurations need
-# to be specified, only the ones provided will be used.
+# The arguments passed in after OPTIONS are extra command line options to
+# give to NVCC. You can also specify per configuration options by
+# specifying the name of the configuration followed by the options. General
+# options must preceed configuration specific options. Not all
+# configurations need to be specified, only the ones provided will be used.
#
-# OPTIONS -DFLAG=2 "-DFLAG_OTHER=space in flag"
-# DEBUG -g
-# RELEASE --use_fast_math
-# RELWITHDEBINFO --use_fast_math;-g
-# MINSIZEREL --use_fast_math
+# OPTIONS -DFLAG=2 "-DFLAG_OTHER=space in flag"
+# DEBUG -g
+# RELEASE --use_fast_math
+# RELWITHDEBINFO --use_fast_math;-g
+# MINSIZEREL --use_fast_math
#
-# For certain configurations (namely VS generating object files with
-# CUDA_ATTACH_VS_BUILD_RULE_TO_CUDA_FILE set to ON), no generated file will
-# be produced for the given cuda file. This is because when you add the cuda
-# file to Visual Studio it knows that this file produces and will link in the
-# resulting object file automatically.
+# For certain configurations (namely VS generating object files with
+# CUDA_ATTACH_VS_BUILD_RULE_TO_CUDA_FILE set to ON), no generated file will
+# be produced for the given cuda file. This is because when you add the
+# cuda file to Visual Studio it knows that this file produces and will link
+# in the resulting object file automatically.
#
-# This script also looks at optional arguments STATIC, SHARED, or MODULE to
-# override the behavior specified by the value of the CMake variable
-# BUILD_SHARED_LIBS. See BUILD_SHARED_LIBS below for more details.
+# This script also looks at optional arguments STATIC, SHARED, or MODULE to
+# override the behavior specified by the value of the CMake variable
+# BUILD_SHARED_LIBS. See BUILD_SHARED_LIBS below for more details.
#
-# This script will also generate a separate cmake script that is used at
-# build time to invoke nvcc. This is for serveral reasons.
+# This script will also generate a separate cmake script that is used at
+# build time to invoke nvcc. This is for serveral reasons.
#
-# 1. nvcc can return negative numbers as return values which confuses
-# Visual Studio into thinking that the command succeeded. The script now
-# checks the error codes and produces errors when there was a problem
+# 1. nvcc can return negative numbers as return values which confuses
+# Visual Studio into thinking that the command succeeded. The script now
+# checks the error codes and produces errors when there was a problem
#
-# 2. nvcc has been known to not delete intermediate results when it
-# encounters problems. The build rules then don't complete, because there
-# exists a partially written output file. The script now deletes the
-# output files if there was an error.
+# 2. nvcc has been known to not delete intermediate results when it
+# encounters problems. The build rules then don't complete, because there
+# exists a partially written output file. The script now deletes the
+# output files if there was an error.
#
-# 3. By putting all the options that affect the build into a file and then
-# make the build rule dependent on the file, when the options change the
-# output files will be regenerated.
+# 3. By putting all the options that affect the build into a file and then
+# make the build rule dependent on the file, when the options change the
+# output files will be regenerated.
#
-# CUDA_ADD_CUFFT_TO_TARGET( cuda_target )
-# -- Adds the cufft library to the target. Handles whether you are in emulation
-# mode or not.
+# CUDA_ADD_CUFFT_TO_TARGET( cuda_target )
+# -- Adds the cufft library to the target. Handles whether you are in
+# emulation mode or not.
#
-# CUDA_ADD_CUBLAS_TO_TARGET( cuda_target )
-# -- Adds the cublas library to the target. Handles whether you are in emulation
-# mode or not.
+# CUDA_ADD_CUBLAS_TO_TARGET( cuda_target )
+# -- Adds the cublas library to the target. Handles whether you are in
+# emulation mode or not.
#
-# CUDA_BUILD_CLEAN_TARGET()
-# -- Creates a convience target that deletes all the dependency files generated.
-# You should make clean after running this target to ensure the dependency
-# files get regenerated.
+# CUDA_BUILD_CLEAN_TARGET()
+# -- Creates a convience target that deletes all the dependency files
+# generated. You should make clean after running this target to ensure the
+# dependency files get regenerated.
#
# The script defines the following variables:
#
-# ( Note CUDA_ADD_* macros setup cuda/cut library dependencies automatically.
-# These variables are only needed if a cuda API call must be made from code in
-# a outside library or executable. )
+# ( Note CUDA_ADD_* macros setup cuda/cut library dependencies automatically.
+# These variables are only needed if a cuda API call must be made from code in
+# a outside library or executable. )
#
-# CUDA_VERSION_MAJOR -- The major version of cuda as reported by nvcc.
-# CUDA_VERSION_MINOR -- The minor version.
-# CUDA_VERSION
-# CUDA_VERSION_STRING -- CUDA_VERSION_MAJOR.CUDA_VERSION_MINOR
+# CUDA_VERSION_MAJOR -- The major version of cuda as reported by nvcc.
+# CUDA_VERSION_MINOR -- The minor version.
+# CUDA_VERSION
+# CUDA_VERSION_STRING -- CUDA_VERSION_MAJOR.CUDA_VERSION_MINOR
#
-# CUDA_INCLUDE_DIRS -- Include directory for cuda headers. Added automatically
-# for CUDA_ADD_EXECUTABLE and CUDA_ADD_LIBRARY.
-# CUDA_LIBRARIES -- Cuda RT library.
-# CUDA_CUT_INCLUDE_DIR -- Include directory for cuda SDK headers (cutil.h).
-# CUDA_CUT_LIBRARIES -- SDK libraries.
-# CUDA_NVCC_FLAGS -- Additional NVCC command line arguments. NOTE:
-# multiple arguments must be semi-colon delimited
-# e.g. --compiler-options;-Wall
-# CUDA_NVCC_FLAGS_<CONFIG> -- Confugration specific flags for NVCC.
-# CUDA_CUFFT_LIBRARIES -- Device or emulation library for the Cuda FFT
-# implementation (alternative to:
-# CUDA_ADD_CUFFT_TO_TARGET macro)
-# CUDA_CUBLAS_LIBRARIES -- Device or emulation library for the Cuda BLAS
-# implementation (alterative to:
-# CUDA_ADD_CUBLAS_TO_TARGET macro).
+# CUDA_INCLUDE_DIRS -- Include directory for cuda headers. Added automatically
+# for CUDA_ADD_EXECUTABLE and CUDA_ADD_LIBRARY.
+# CUDA_LIBRARIES -- Cuda RT library.
+# CUDA_CUT_INCLUDE_DIR -- Include directory for cuda SDK headers (cutil.h).
+# CUDA_CUT_LIBRARIES -- SDK libraries.
+# CUDA_NVCC_FLAGS -- Additional NVCC command line arguments. NOTE:
+# multiple arguments must be semi-colon delimited
+# e.g. --compiler-options;-Wall
+# CUDA_NVCC_FLAGS_<CONFIG> -- Confugration specific flags for NVCC.
+# CUDA_CUFFT_LIBRARIES -- Device or emulation library for the Cuda FFT
+# implementation (alternative to:
+# CUDA_ADD_CUFFT_TO_TARGET macro)
+# CUDA_CUBLAS_LIBRARIES -- Device or emulation library for the Cuda BLAS
+# implementation (alterative to:
+# CUDA_ADD_CUBLAS_TO_TARGET macro).
#
#
-# The script now builds object files instead of generating C files. In order to
-# facilitate this, the script now makes use of the CMAKE_{C,CXX}_FLAGS along
-# with their configuration dependent counterparts (i.e. CMAKE_C_FLAGS_DEBUG).
-# These flags are passed through nvcc to the native compiler. In addition, on
-# some systems special flags are added for building objects intended for shared
-# libraries. FindCUDA make use of the CMake variable BUILD_SHARED_LIBS and the
-# usual STATIC, SHARED, and MODULE arguments to determine if these flags should
-# be used. Please set BUILD_SHARED_LIBS or pass in STATIC, SHARED, or MODULE
-# according to how the objects are to be used before calling CUDA_ADD_LIBRARY.
-# A preprocessor macro, <target_name>_EXPORTS is defined when BUILD_SHARED_LIBS
-# is defined. In addition, flags passed into add_definitions with -D or /D are
-# passed along to nvcc.
+# The script generates object files by default. In order to facilitate this,
+# the script makes use of the CMAKE_{C,CXX}_FLAGS along with their configuration
+# dependent counterparts (i.e. CMAKE_C_FLAGS_DEBUG). These flags are passed
+# through nvcc to the native compiler. In addition, on some systems special
+# flags are added for building objects intended for shared libraries. FindCUDA
+# make use of the CMake variable BUILD_SHARED_LIBS and the usual STATIC, SHARED,
+# and MODULE arguments to determine if these flags should be used. Please set
+# BUILD_SHARED_LIBS or pass in STATIC, SHARED, or MODULE according to how the
+# objects are to be used before calling CUDA_ADD_LIBRARY. A preprocessor macro,
+# <target_name>_EXPORTS is defined when BUILD_SHARED_LIBS is defined. In
+# addition, flags passed into add_definitions with -D or /D are passed along to
+# nvcc.
#
# Files with the HEADER_FILE_ONLY property set will not be compiled.
#
-# It might be necessary to set CUDA_TOOLKIT_ROOT_DIR manually on certain platforms,
-# or to use a cuda runtime not installed in the default location. In newer
-# versions of the toolkit the cuda library is included with the graphics
-# driver- be sure that the driver version matches what is needed by the cuda
-# runtime version.
-#
-# * James Bigler, NVIDIA Corp
-# * Abe Stephens, SCI Institute -- http://www.sci.utah.edu/~abe/FindCuda.html
-#
-# The MIT License
+# James Bigler, NVIDIA Corp
+# Abe Stephens, SCI Institute -- http://www.sci.utah.edu/~abe/FindCuda.html
#
# Copyright (c) 2008-2009
# NVIDIA Corp.
@@ -208,24 +207,29 @@ # Copyright (c) 2007-2009
# Scientific Computing and Imaging Institute, University of Utah
#
-# License for the specific language governing rights and limitations under
-# Permission is hereby granted, free of charge, to any person obtaining a
-# copy of this software and associated documentation files (the "Software"),
-# to deal in the Software without restriction, including without limitation
-# the rights to use, copy, modify, merge, publish, distribute, sublicense,
-# and/or sell copies of the Software, and to permit persons to whom the
-# Software is furnished to do so, subject to the following conditions:
+# This code is licensed under the MIT License. See the FindCUDA.cmake script
+# for the text of the license.
+
+# The MIT License
+#
+# License for the specific language governing rights and limitations under
+# Permission is hereby granted, free of charge, to any person obtaining a
+# copy of this software and associated documentation files (the "Software"),
+# to deal in the Software without restriction, including without limitation
+# the rights to use, copy, modify, merge, publish, distribute, sublicense,
+# and/or sell copies of the Software, and to permit persons to whom the
+# Software is furnished to do so, subject to the following conditions:
#
-# The above copyright notice and this permission notice shall be included
-# in all copies or substantial portions of the Software.
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
-# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
-# DEALINGS IN THE SOFTWARE.
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+# DEALINGS IN THE SOFTWARE.
#
###############################################################################
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