diff options
Diffstat (limited to 'Modules/FindCUDA.cmake')
| -rw-r--r-- | Modules/FindCUDA.cmake | 154 |
1 files changed, 94 insertions, 60 deletions
diff --git a/Modules/FindCUDA.cmake b/Modules/FindCUDA.cmake index 56a92c199..5a834b128 100644 --- a/Modules/FindCUDA.cmake +++ b/Modules/FindCUDA.cmake @@ -68,6 +68,13 @@ # CUDA_HOST_COMPILATION_CPP (Default ON) # -- Set to OFF for C compilation of host code. # +# CUDA_HOST_COMPILER (Default CMAKE_C_COMPILER, $(VCInstallDir)/bin for VS) +# -- Set the host compiler to be used by nvcc. Ignored if -ccbin or +# --compiler-bindir is already present in the CUDA_NVCC_FLAGS or +# CUDA_NVCC_FLAGS_<CONFIG> variables. For Visual Studio targets +# $(VCInstallDir)/bin is a special value that expands out to the path when +# the command is run from withing VS. +# # CUDA_NVCC_FLAGS # CUDA_NVCC_FLAGS_<CONFIG> # -- Additional NVCC command line arguments. NOTE: multiple arguments must be @@ -291,7 +298,7 @@ macro(CUDA_FIND_HELPER_FILE _name _extension) endif() # Set this variable as internal, so the user isn't bugged with it. set(CUDA_${_name} ${CUDA_${_name}} CACHE INTERNAL "Location of ${_full_name}" FORCE) -endmacro(CUDA_FIND_HELPER_FILE) +endmacro() ##################################################################### ## CUDA_INCLUDE_NVCC_DEPENDENCIES @@ -339,12 +346,12 @@ macro(CUDA_INCLUDE_NVCC_DEPENDENCIES dependency_file) #message("file ${f} not found") set(CUDA_NVCC_DEPEND_REGENERATE TRUE) endif() - endforeach(f) - else(CUDA_NVCC_DEPEND) + endforeach() + else() #message("CUDA_NVCC_DEPEND false") # No dependencies, so regenerate the file. set(CUDA_NVCC_DEPEND_REGENERATE TRUE) - endif(CUDA_NVCC_DEPEND) + endif() #message("CUDA_NVCC_DEPEND_REGENERATE = ${CUDA_NVCC_DEPEND_REGENERATE}") # No incoming dependencies, so we need to generate them. Make the @@ -354,9 +361,9 @@ macro(CUDA_INCLUDE_NVCC_DEPENDENCIES dependency_file) set(CUDA_NVCC_DEPEND ${dependency_file}) #message("Generating an empty dependency_file: ${dependency_file}") file(WRITE ${dependency_file} "#FindCUDA.cmake generated file. Do not edit.\n") - endif(CUDA_NVCC_DEPEND_REGENERATE) + endif() -endmacro(CUDA_INCLUDE_NVCC_DEPENDENCIES) +endmacro() ############################################################################### ############################################################################### @@ -390,6 +397,12 @@ option(CUDA_HOST_COMPILATION_CPP "Generated file extension" ON) # Extra user settable flags set(CUDA_NVCC_FLAGS "" CACHE STRING "Semi-colon delimit multiple arguments.") +if(CMAKE_GENERATOR MATCHES "Visual Studio") + set(CUDA_HOST_COMPILER "$(VCInstallDir)bin" CACHE FILEPATH "Host side compiler used by NVCC") +else() + set(CUDA_HOST_COMPILER "${CMAKE_C_COMPILER}" CACHE FILEPATH "Host side compiler used by NVCC") +endif() + # Propagate the host flags to the host compiler via -Xcompiler option(CUDA_PROPAGATE_HOST_FLAGS "Propage C/CXX_FLAGS and friends to the host compiler via -Xcompile" ON) @@ -482,15 +495,15 @@ if(NOT CUDA_TOOLKIT_ROOT_DIR) string(REGEX REPLACE "[/\\\\]?bin[64]*[/\\\\]?$" "" CUDA_TOOLKIT_ROOT_DIR ${CUDA_TOOLKIT_ROOT_DIR}) # We need to force this back into the cache. set(CUDA_TOOLKIT_ROOT_DIR ${CUDA_TOOLKIT_ROOT_DIR} CACHE PATH "Toolkit location." FORCE) - endif(CUDA_TOOLKIT_ROOT_DIR) + endif() if (NOT EXISTS ${CUDA_TOOLKIT_ROOT_DIR}) if(CUDA_FIND_REQUIRED) message(FATAL_ERROR "Specify CUDA_TOOLKIT_ROOT_DIR") elseif(NOT CUDA_FIND_QUIETLY) message("CUDA_TOOLKIT_ROOT_DIR not found or specified") endif() - endif (NOT EXISTS ${CUDA_TOOLKIT_ROOT_DIR}) -endif (NOT CUDA_TOOLKIT_ROOT_DIR) + endif () +endif () # CUDA_NVCC_EXECUTABLE find_program(CUDA_NVCC_EXECUTABLE @@ -595,7 +608,7 @@ find_library_local_first(CUDA_CUDA_LIBRARY cuda "\"cuda\" library (older version # Add cuda library to the link line only if it is found. if (CUDA_CUDA_LIBRARY) set(CUDA_LIBRARIES ${CUDA_LIBRARIES} ${CUDA_CUDA_LIBRARY}) -endif(CUDA_CUDA_LIBRARY) +endif() mark_as_advanced( CUDA_CUDA_LIBRARY @@ -607,7 +620,7 @@ mark_as_advanced( macro(FIND_CUDA_HELPER_LIBS _name) find_library_local_first(CUDA_${_name}_LIBRARY ${_name} "\"${_name}\" library") mark_as_advanced(CUDA_${_name}_LIBRARY) -endmacro(FIND_CUDA_HELPER_LIBS) +endmacro() ####################### # Disable emulation for v3.1 onward @@ -650,9 +663,11 @@ endif() # Look for the SDK stuff. As of CUDA 3.0 NVSDKCUDA_ROOT has been replaced with # NVSDKCOMPUTE_ROOT with the old CUDA C contents moved into the C subdirectory find_path(CUDA_SDK_ROOT_DIR common/inc/cutil.h + HINTS "$ENV{NVSDKCOMPUTE_ROOT}/C" - "$ENV{NVSDKCUDA_ROOT}" + ENV NVSDKCUDA_ROOT "[HKEY_LOCAL_MACHINE\\SOFTWARE\\NVIDIA Corporation\\Installed Products\\NVIDIA SDK 10\\Compute;InstallDir]" + PATHS "/Developer/GPU\ Computing/C" ) @@ -691,9 +706,9 @@ set(CUDA_SDK_SEARCH_PATH # if(CMAKE_SIZEOF_VOID_P EQUAL 8) # set(cuda_cutil_name cutil64) -# else(CMAKE_SIZEOF_VOID_P EQUAL 8) +# else() # set(cuda_cutil_name cutil32) -# endif(CMAKE_SIZEOF_VOID_P EQUAL 8) +# endif() # find_library(CUDA_CUT_LIBRARY # NAMES cutil ${cuda_cutil_name} @@ -743,8 +758,8 @@ find_package_handle_standard_args(CUDA macro(CUDA_INCLUDE_DIRECTORIES) foreach(dir ${ARGN}) list(APPEND CUDA_NVCC_INCLUDE_ARGS_USER -I${dir}) - endforeach(dir ${ARGN}) -endmacro(CUDA_INCLUDE_DIRECTORIES) + endforeach() +endmacro() ############################################################################## @@ -855,7 +870,7 @@ function(CUDA_COMPUTE_BUILD_PATH path build_path) file(TO_CMAKE_PATH "${path}" bpath) if (IS_ABSOLUTE "${bpath}") # Absolute paths are generally unnessary, especially if something like - # FILE(GLOB_RECURSE) is used to pick up the files. + # file(GLOB_RECURSE) is used to pick up the files. file(RELATIVE_PATH bpath "${CMAKE_CURRENT_SOURCE_DIR}" "${bpath}") endif() @@ -898,14 +913,6 @@ endfunction() macro(CUDA_WRAP_SRCS cuda_target format generated_files) - if( ${format} MATCHES "PTX" ) - set( compile_to_ptx ON ) - elseif( ${format} MATCHES "OBJ") - set( compile_to_ptx OFF ) - else() - message( FATAL_ERROR "Invalid format flag passed to CUDA_WRAP_SRCS: '${format}'. Use OBJ or PTX.") - endif() - # Set up all the command line flags here, so that they can be overridden on a per target basis. set(nvcc_flags "") @@ -914,20 +921,20 @@ macro(CUDA_WRAP_SRCS cuda_target format generated_files) if (CUDA_BUILD_EMULATION) # Emulation. set(nvcc_flags ${nvcc_flags} --device-emulation -D_DEVICEEMU -g) - else(CUDA_BUILD_EMULATION) + else() # Device mode. No flags necessary. - endif(CUDA_BUILD_EMULATION) + endif() if(CUDA_HOST_COMPILATION_CPP) set(CUDA_C_OR_CXX CXX) - else(CUDA_HOST_COMPILATION_CPP) + else() if(CUDA_VERSION VERSION_LESS "3.0") set(nvcc_flags ${nvcc_flags} --host-compilation C) else() message(WARNING "--host-compilation flag is deprecated in CUDA version >= 3.0. Removing --host-compilation C flag" ) endif() set(CUDA_C_OR_CXX C) - endif(CUDA_HOST_COMPILATION_CPP) + endif() set(generated_extension ${CMAKE_${CUDA_C_OR_CXX}_OUTPUT_EXTENSION}) @@ -938,12 +945,11 @@ macro(CUDA_WRAP_SRCS cuda_target format generated_files) endif() # This needs to be passed in at this stage, because VS needs to fill out the - # value of VCInstallDir from within VS. + # value of VCInstallDir from within VS. Note that CCBIN is only used if + # -ccbin or --compiler-bindir isn't used and CUDA_HOST_COMPILER matches + # $(VCInstallDir)/bin. if(CMAKE_GENERATOR MATCHES "Visual Studio") - if( CMAKE_SIZEOF_VOID_P EQUAL 8 ) - # Add nvcc flag for 64b Windows - set(ccbin_flags -D "\"CCBIN:PATH=$(VCInstallDir)bin\"" ) - endif() + set(ccbin_flags -D "\"CCBIN:PATH=$(VCInstallDir)bin\"" ) endif() # Figure out which configure we will use and pass that in as an argument to @@ -1002,12 +1008,12 @@ macro(CUDA_WRAP_SRCS cuda_target format generated_files) # Only add the CMAKE_{C,CXX}_FLAGS if we are propagating host flags. We # always need to set the SHARED_FLAGS, though. if(CUDA_PROPAGATE_HOST_FLAGS) - set(CUDA_HOST_FLAGS "set(CMAKE_HOST_FLAGS ${CMAKE_${CUDA_C_OR_CXX}_FLAGS} ${CUDA_HOST_SHARED_FLAGS})") + set(_cuda_host_flags "set(CMAKE_HOST_FLAGS ${CMAKE_${CUDA_C_OR_CXX}_FLAGS} ${CUDA_HOST_SHARED_FLAGS})") else() - set(CUDA_HOST_FLAGS "set(CMAKE_HOST_FLAGS ${CUDA_HOST_SHARED_FLAGS})") + set(_cuda_host_flags "set(CMAKE_HOST_FLAGS ${CUDA_HOST_SHARED_FLAGS})") endif() - set(CUDA_NVCC_FLAGS_CONFIG "# Build specific configuration flags") + set(_cuda_nvcc_flags_config "# Build specific configuration flags") # Loop over all the configuration types to generate appropriate flags for run_nvcc.cmake foreach(config ${CUDA_configuration_types}) string(TOUPPER ${config} config_upper) @@ -1016,27 +1022,31 @@ macro(CUDA_WRAP_SRCS cuda_target format generated_files) if(CUDA_PROPAGATE_HOST_FLAGS) # nvcc chokes on -g3 in versions previous to 3.0, so replace it with -g - if(CMAKE_COMPILER_IS_GNUCC AND CUDA_VERSION VERSION_LESS "3.0") + set(_cuda_fix_g3 FALSE) + + if(CMAKE_COMPILER_IS_GNUCC) + if (CUDA_VERSION VERSION_LESS "3.0" OR + CUDA_VERSION VERSION_EQUAL "4.1" OR + CUDA_VERSION VERSION_EQUAL "4.2" + ) + set(_cuda_fix_g3 TRUE) + endif() + endif() + if(_cuda_fix_g3) string(REPLACE "-g3" "-g" _cuda_C_FLAGS "${CMAKE_${CUDA_C_OR_CXX}_FLAGS_${config_upper}}") else() set(_cuda_C_FLAGS "${CMAKE_${CUDA_C_OR_CXX}_FLAGS_${config_upper}}") endif() - set(CUDA_HOST_FLAGS "${CUDA_HOST_FLAGS}\nset(CMAKE_HOST_FLAGS_${config_upper} ${_cuda_C_FLAGS})") + set(_cuda_host_flags "${_cuda_host_flags}\nset(CMAKE_HOST_FLAGS_${config_upper} ${_cuda_C_FLAGS})") endif() # Note that if we ever want CUDA_NVCC_FLAGS_<CONFIG> to be string (instead of a list # like it is currently), we can remove the quotes around the # ${CUDA_NVCC_FLAGS_${config_upper}} variable like the CMAKE_HOST_FLAGS_<CONFIG> variable. - set(CUDA_NVCC_FLAGS_CONFIG "${CUDA_NVCC_FLAGS_CONFIG}\nset(CUDA_NVCC_FLAGS_${config_upper} ${CUDA_NVCC_FLAGS_${config_upper}} ;; ${CUDA_WRAP_OPTION_NVCC_FLAGS_${config_upper}})") + set(_cuda_nvcc_flags_config "${_cuda_nvcc_flags_config}\nset(CUDA_NVCC_FLAGS_${config_upper} ${CUDA_NVCC_FLAGS_${config_upper}} ;; ${CUDA_WRAP_OPTION_NVCC_FLAGS_${config_upper}})") endforeach() - if(compile_to_ptx) - # Don't use any of the host compilation flags for PTX targets. - set(CUDA_HOST_FLAGS) - set(CUDA_NVCC_FLAGS_CONFIG) - endif() - # Get the list of definitions from the directory property get_directory_property(CUDA_NVCC_DEFINITIONS COMPILE_DEFINITIONS) if(CUDA_NVCC_DEFINITIONS) @@ -1059,6 +1069,30 @@ macro(CUDA_WRAP_SRCS cuda_target format generated_files) get_source_file_property(_is_header ${file} HEADER_FILE_ONLY) if(${file} MATCHES ".*\\.cu$" AND NOT _is_header) + # Allow per source file overrides of the format. + get_source_file_property(_cuda_source_format ${file} CUDA_SOURCE_PROPERTY_FORMAT) + if(NOT _cuda_source_format) + set(_cuda_source_format ${format}) + endif() + + if( ${_cuda_source_format} MATCHES "PTX" ) + set( compile_to_ptx ON ) + elseif( ${_cuda_source_format} MATCHES "OBJ") + set( compile_to_ptx OFF ) + else() + message( FATAL_ERROR "Invalid format flag passed to CUDA_WRAP_SRCS for file '${file}': '${_cuda_source_format}'. Use OBJ or PTX.") + endif() + + + if(compile_to_ptx) + # Don't use any of the host compilation flags for PTX targets. + set(CUDA_HOST_FLAGS) + set(CUDA_NVCC_FLAGS_CONFIG) + else() + set(CUDA_HOST_FLAGS ${_cuda_host_flags}) + set(CUDA_NVCC_FLAGS_CONFIG ${_cuda_nvcc_flags_config}) + endif() + # Determine output directory cuda_compute_build_path("${file}" cuda_build_path) set(cuda_compile_intermediate_directory "${CMAKE_CURRENT_BINARY_DIR}/CMakeFiles/${cuda_target}.dir/${cuda_build_path}") @@ -1080,11 +1114,11 @@ macro(CUDA_WRAP_SRCS cuda_target format generated_files) set(generated_file_basename "${cuda_target}_generated_${basename}.ptx") set(format_flag "-ptx") file(MAKE_DIRECTORY "${cuda_compile_output_dir}") - else( compile_to_ptx ) + else() set(generated_file_path "${cuda_compile_output_dir}/${CMAKE_CFG_INTDIR}") set(generated_file_basename "${cuda_target}_generated_${basename}${generated_extension}") set(format_flag "-c") - endif( compile_to_ptx ) + endif() # Set all of our file names. Make sure that whatever filenames that have # generated_file_path in them get passed in through as a command line @@ -1118,17 +1152,17 @@ macro(CUDA_WRAP_SRCS cuda_target format generated_files) # Convience string for output ########################################### if(CUDA_BUILD_EMULATION) set(cuda_build_type "Emulation") - else(CUDA_BUILD_EMULATION) + else() set(cuda_build_type "Device") - endif(CUDA_BUILD_EMULATION) + endif() # Build the NVCC made dependency file ################################### set(build_cubin OFF) if ( NOT CUDA_BUILD_EMULATION AND CUDA_BUILD_CUBIN ) if ( NOT compile_to_ptx ) set ( build_cubin ON ) - endif( NOT compile_to_ptx ) - endif( NOT CUDA_BUILD_EMULATION AND CUDA_BUILD_CUBIN ) + endif() + endif() # Configure the build script configure_file("${CUDA_run_nvcc}" "${custom_target_script}" @ONLY) @@ -1203,12 +1237,12 @@ macro(CUDA_WRAP_SRCS cuda_target format generated_files) list(REMOVE_DUPLICATES CUDA_ADDITIONAL_CLEAN_FILES) set(CUDA_ADDITIONAL_CLEAN_FILES ${CUDA_ADDITIONAL_CLEAN_FILES} CACHE INTERNAL "List of intermediate files that are part of the cuda dependency scanning.") - endif(${file} MATCHES ".*\\.cu$" AND NOT _is_header) - endforeach(file) + endif() + endforeach() # Set the return parameter set(${generated_files} ${_cuda_wrap_generated_files}) -endmacro(CUDA_WRAP_SRCS) +endmacro() ############################################################################### @@ -1245,7 +1279,7 @@ macro(CUDA_ADD_LIBRARY cuda_target) LINKER_LANGUAGE ${CUDA_C_OR_CXX} ) -endmacro(CUDA_ADD_LIBRARY cuda_target) +endmacro() ############################################################################### @@ -1279,7 +1313,7 @@ macro(CUDA_ADD_EXECUTABLE cuda_target) LINKER_LANGUAGE ${CUDA_C_OR_CXX} ) -endmacro(CUDA_ADD_EXECUTABLE cuda_target) +endmacro() ############################################################################### @@ -1297,7 +1331,7 @@ macro(CUDA_COMPILE generated_files) set( ${generated_files} ${_generated_files}) -endmacro(CUDA_COMPILE) +endmacro() ############################################################################### @@ -1315,7 +1349,7 @@ macro(CUDA_COMPILE_PTX generated_files) set( ${generated_files} ${_generated_files}) -endmacro(CUDA_COMPILE_PTX) +endmacro() ############################################################################### ############################################################################### @@ -1364,4 +1398,4 @@ macro(CUDA_BUILD_CLEAN_TARGET) # This is useful so that the files won't persist in the list after targets # have been removed. set(CUDA_ADDITIONAL_CLEAN_FILES "" CACHE INTERNAL "List of intermediate files that are part of the cuda dependency scanning.") -endmacro(CUDA_BUILD_CLEAN_TARGET) +endmacro() |