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Open Source Computer Vision Library
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288 lines
11 KiB
288 lines
11 KiB
# James Bigler, NVIDIA Corp (nvidia.com - jbigler) |
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# |
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# Copyright (c) 2008 - 2009 NVIDIA Corporation. All rights reserved. |
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# |
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# This code is licensed under the MIT License. See the FindCUDA.cmake script |
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# for the text of the license. |
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# The MIT License |
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# |
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# License for the specific language governing rights and limitations under |
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# Permission is hereby granted, free of charge, to any person obtaining a |
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# copy of this software and associated documentation files (the "Software"), |
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# to deal in the Software without restriction, including without limitation |
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# the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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# and/or sell copies of the Software, and to permit persons to whom the |
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# Software is furnished to do so, subject to the following conditions: |
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# |
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# The above copyright notice and this permission notice shall be included |
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# in all copies or substantial portions of the Software. |
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# |
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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# THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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# DEALINGS IN THE SOFTWARE. |
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########################################################################## |
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# This file runs the nvcc commands to produce the desired output file along with |
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# the dependency file needed by CMake to compute dependencies. In addition the |
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# file checks the output of each command and if the command fails it deletes the |
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# output files. |
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# Input variables |
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# |
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# verbose:BOOL=<> OFF: Be as quiet as possible (default) |
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# ON : Describe each step |
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# |
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# build_configuration:STRING=<> Typically one of Debug, MinSizeRel, Release, or |
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# RelWithDebInfo, but it should match one of the |
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# entries in CUDA_HOST_FLAGS. This is the build |
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# configuration used when compiling the code. If |
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# blank or unspecified Debug is assumed as this is |
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# what CMake does. |
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# |
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# generated_file:STRING=<> File to generate. This argument must be passed in. |
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# |
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# generated_cubin_file:STRING=<> File to generate. This argument must be passed |
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# in if build_cubin is true. |
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if(NOT generated_file) |
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message(FATAL_ERROR "You must specify generated_file on the command line") |
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endif() |
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# Set these up as variables to make reading the generated file easier |
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set(CMAKE_COMMAND "@CMAKE_COMMAND@") # path |
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set(source_file "@source_file@") # path |
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set(NVCC_generated_dependency_file "@NVCC_generated_dependency_file@") # path |
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set(cmake_dependency_file "@cmake_dependency_file@") # path |
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set(CUDA_make2cmake "@CUDA_make2cmake@") # path |
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set(CUDA_parse_cubin "@CUDA_parse_cubin@") # path |
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set(build_cubin @build_cubin@) # bool |
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set(CUDA_HOST_COMPILER "@CUDA_HOST_COMPILER@") # path |
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# We won't actually use these variables for now, but we need to set this, in |
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# order to force this file to be run again if it changes. |
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set(generated_file_path "@generated_file_path@") # path |
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set(generated_file_internal "@generated_file@") # path |
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set(generated_cubin_file_internal "@generated_cubin_file@") # path |
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set(CUDA_NVCC_EXECUTABLE "@CUDA_NVCC_EXECUTABLE@") # path |
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set(CUDA_NVCC_FLAGS @CUDA_NVCC_FLAGS@ ;; @CUDA_WRAP_OPTION_NVCC_FLAGS@) # list |
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@CUDA_NVCC_FLAGS_CONFIG@ |
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set(nvcc_flags @nvcc_flags@) # list |
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set(CUDA_NVCC_INCLUDE_ARGS "@CUDA_NVCC_INCLUDE_ARGS@") # list (needs to be in quotes to handle spaces properly). |
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set(format_flag "@format_flag@") # string |
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if(build_cubin AND NOT generated_cubin_file) |
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message(FATAL_ERROR "You must specify generated_cubin_file on the command line") |
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endif() |
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# This is the list of host compilation flags. It C or CXX should already have |
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# been chosen by FindCUDA.cmake. |
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@CUDA_HOST_FLAGS@ |
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# Take the compiler flags and package them up to be sent to the compiler via -Xcompiler |
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set(nvcc_host_compiler_flags "") |
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# If we weren't given a build_configuration, use Debug. |
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if(NOT build_configuration) |
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set(build_configuration Debug) |
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endif() |
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string(TOUPPER "${build_configuration}" build_configuration) |
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#message("CUDA_NVCC_HOST_COMPILER_FLAGS = ${CUDA_NVCC_HOST_COMPILER_FLAGS}") |
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foreach(flag ${CMAKE_HOST_FLAGS} ${CMAKE_HOST_FLAGS_${build_configuration}}) |
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# Extra quotes are added around each flag to help nvcc parse out flags with spaces. |
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set(nvcc_host_compiler_flags "${nvcc_host_compiler_flags},\"${flag}\"") |
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endforeach() |
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if (nvcc_host_compiler_flags) |
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set(nvcc_host_compiler_flags "-Xcompiler" ${nvcc_host_compiler_flags}) |
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endif() |
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#message("nvcc_host_compiler_flags = \"${nvcc_host_compiler_flags}\"") |
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# Add the build specific configuration flags |
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list(APPEND CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS_${build_configuration}}) |
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# Any -ccbin existing in CUDA_NVCC_FLAGS gets highest priority |
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list( FIND CUDA_NVCC_FLAGS "-ccbin" ccbin_found0 ) |
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list( FIND CUDA_NVCC_FLAGS "--compiler-bindir" ccbin_found1 ) |
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if( ccbin_found0 LESS 0 AND ccbin_found1 LESS 0 AND CUDA_HOST_COMPILER ) |
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if (CUDA_HOST_COMPILER STREQUAL "$(VCInstallDir)bin" AND DEFINED CCBIN) |
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set(CCBIN -ccbin "${CCBIN}") |
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else() |
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set(CCBIN -ccbin "${CUDA_HOST_COMPILER}") |
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endif() |
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endif() |
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# cuda_execute_process - Executes a command with optional command echo and status message. |
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# |
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# status - Status message to print if verbose is true |
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# command - COMMAND argument from the usual execute_process argument structure |
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# ARGN - Remaining arguments are the command with arguments |
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# |
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# CUDA_result - return value from running the command |
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# |
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# Make this a macro instead of a function, so that things like RESULT_VARIABLE |
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# and other return variables are present after executing the process. |
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macro(cuda_execute_process status command) |
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set(_command ${command}) |
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if(NOT "x${_command}" STREQUAL "xCOMMAND") |
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message(FATAL_ERROR "Malformed call to cuda_execute_process. Missing COMMAND as second argument. (command = ${command})") |
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endif() |
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if(verbose) |
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execute_process(COMMAND "${CMAKE_COMMAND}" -E echo -- ${status}) |
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# Now we need to build up our command string. We are accounting for quotes |
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# and spaces, anything else is left up to the user to fix if they want to |
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# copy and paste a runnable command line. |
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set(cuda_execute_process_string) |
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foreach(arg ${ARGN}) |
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# If there are quotes, excape them, so they come through. |
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string(REPLACE "\"" "\\\"" arg ${arg}) |
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# Args with spaces need quotes around them to get them to be parsed as a single argument. |
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if(arg MATCHES " ") |
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list(APPEND cuda_execute_process_string "\"${arg}\"") |
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else() |
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list(APPEND cuda_execute_process_string ${arg}) |
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endif() |
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endforeach() |
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# Echo the command |
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execute_process(COMMAND ${CMAKE_COMMAND} -E echo ${cuda_execute_process_string}) |
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endif() |
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# Run the command |
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execute_process(COMMAND ${ARGN} RESULT_VARIABLE CUDA_result ) |
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endmacro() |
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# Delete the target file |
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cuda_execute_process( |
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"Removing ${generated_file}" |
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COMMAND "${CMAKE_COMMAND}" -E remove "${generated_file}" |
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) |
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# For CUDA 2.3 and below, -G -M doesn't work, so remove the -G flag |
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# for dependency generation and hope for the best. |
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set(depends_CUDA_NVCC_FLAGS "${CUDA_NVCC_FLAGS}") |
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set(CUDA_VERSION @CUDA_VERSION@) |
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if(CUDA_VERSION VERSION_LESS "3.0") |
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cmake_policy(PUSH) |
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# CMake policy 0007 NEW states that empty list elements are not |
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# ignored. I'm just setting it to avoid the warning that's printed. |
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cmake_policy(SET CMP0007 NEW) |
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# Note that this will remove all occurances of -G. |
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list(REMOVE_ITEM depends_CUDA_NVCC_FLAGS "-G") |
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cmake_policy(POP) |
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endif() |
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# nvcc doesn't define __CUDACC__ for some reason when generating dependency files. This |
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# can cause incorrect dependencies when #including files based on this macro which is |
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# defined in the generating passes of nvcc invokation. We will go ahead and manually |
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# define this for now until a future version fixes this bug. |
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set(CUDACC_DEFINE -D__CUDACC__) |
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# Generate the dependency file |
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cuda_execute_process( |
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"Generating dependency file: ${NVCC_generated_dependency_file}" |
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COMMAND "${CUDA_NVCC_EXECUTABLE}" |
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-M |
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${CUDACC_DEFINE} |
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"${source_file}" |
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-o "${NVCC_generated_dependency_file}" |
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${CCBIN} |
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${nvcc_flags} |
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${nvcc_host_compiler_flags} |
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${depends_CUDA_NVCC_FLAGS} |
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-DNVCC |
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${CUDA_NVCC_INCLUDE_ARGS} |
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) |
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if(CUDA_result) |
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message(FATAL_ERROR "Error generating ${generated_file}") |
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endif() |
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# Generate the cmake readable dependency file to a temp file. Don't put the |
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# quotes just around the filenames for the input_file and output_file variables. |
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# CMake will pass the quotes through and not be able to find the file. |
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cuda_execute_process( |
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"Generating temporary cmake readable file: ${cmake_dependency_file}.tmp" |
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COMMAND "${CMAKE_COMMAND}" |
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-D "input_file:FILEPATH=${NVCC_generated_dependency_file}" |
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-D "output_file:FILEPATH=${cmake_dependency_file}.tmp" |
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-P "${CUDA_make2cmake}" |
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) |
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if(CUDA_result) |
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message(FATAL_ERROR "Error generating ${generated_file}") |
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endif() |
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# Copy the file if it is different |
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cuda_execute_process( |
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"Copy if different ${cmake_dependency_file}.tmp to ${cmake_dependency_file}" |
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COMMAND "${CMAKE_COMMAND}" -E copy_if_different "${cmake_dependency_file}.tmp" "${cmake_dependency_file}" |
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) |
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if(CUDA_result) |
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message(FATAL_ERROR "Error generating ${generated_file}") |
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endif() |
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# Delete the temporary file |
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cuda_execute_process( |
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"Removing ${cmake_dependency_file}.tmp and ${NVCC_generated_dependency_file}" |
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COMMAND "${CMAKE_COMMAND}" -E remove "${cmake_dependency_file}.tmp" "${NVCC_generated_dependency_file}" |
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) |
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if(CUDA_result) |
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message(FATAL_ERROR "Error generating ${generated_file}") |
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endif() |
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# Generate the code |
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cuda_execute_process( |
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"Generating ${generated_file}" |
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COMMAND "${CUDA_NVCC_EXECUTABLE}" |
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"${source_file}" |
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${format_flag} -o "${generated_file}" |
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${CCBIN} |
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${nvcc_flags} |
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${nvcc_host_compiler_flags} |
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${CUDA_NVCC_FLAGS} |
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-DNVCC |
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${CUDA_NVCC_INCLUDE_ARGS} |
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) |
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if(CUDA_result) |
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# Since nvcc can sometimes leave half done files make sure that we delete the output file. |
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cuda_execute_process( |
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"Removing ${generated_file}" |
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COMMAND "${CMAKE_COMMAND}" -E remove "${generated_file}" |
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) |
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message(FATAL_ERROR "Error generating file ${generated_file}") |
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else() |
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if(verbose) |
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message("Generated ${generated_file} successfully.") |
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endif() |
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endif() |
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# Cubin resource report commands. |
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if( build_cubin ) |
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# Run with -cubin to produce resource usage report. |
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cuda_execute_process( |
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"Generating ${generated_cubin_file}" |
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COMMAND "${CUDA_NVCC_EXECUTABLE}" |
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"${source_file}" |
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${CUDA_NVCC_FLAGS} |
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${nvcc_flags} |
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${CCBIN} |
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${nvcc_host_compiler_flags} |
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-DNVCC |
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-cubin |
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-o "${generated_cubin_file}" |
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${CUDA_NVCC_INCLUDE_ARGS} |
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) |
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# Execute the parser script. |
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cuda_execute_process( |
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"Executing the parser script" |
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COMMAND "${CMAKE_COMMAND}" |
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-D "input_file:STRING=${generated_cubin_file}" |
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-P "${CUDA_parse_cubin}" |
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) |
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endif()
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