summaryrefslogtreecommitdiff
path: root/Modules/FindCUDA/run_nvcc.cmake
diff options
context:
space:
mode:
Diffstat (limited to 'Modules/FindCUDA/run_nvcc.cmake')
-rw-r--r--Modules/FindCUDA/run_nvcc.cmake280
1 files changed, 280 insertions, 0 deletions
diff --git a/Modules/FindCUDA/run_nvcc.cmake b/Modules/FindCUDA/run_nvcc.cmake
new file mode 100644
index 000000000..b31011c0e
--- /dev/null
+++ b/Modules/FindCUDA/run_nvcc.cmake
@@ -0,0 +1,280 @@
+# James Bigler, NVIDIA Corp (nvidia.com - jbigler)
+#
+# Copyright (c) 2008 - 2009 NVIDIA Corporation. All rights reserved.
+#
+# 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 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.
+
+
+##########################################################################
+# This file runs the nvcc commands to produce the desired output file along with
+# the dependency file needed by CMake to compute dependencies. In addition the
+# file checks the output of each command and if the command fails it deletes the
+# output files.
+
+# Input variables
+#
+# verbose:BOOL=<> OFF: Be as quiet as possible (default)
+# ON : Describe each step
+#
+# build_configuration:STRING=<> Typically one of Debug, MinSizeRel, Release, or
+# RelWithDebInfo, but it should match one of the
+# entries in CUDA_HOST_FLAGS. This is the build
+# configuration used when compiling the code. If
+# blank or unspecified Debug is assumed as this is
+# what CMake does.
+#
+# generated_file:STRING=<> File to generate. This argument must be passed in.
+#
+# generated_cubin_file:STRING=<> File to generate. This argument must be passed
+# in if build_cubin is true.
+
+if(NOT generated_file)
+ message(FATAL_ERROR "You must specify generated_file on the command line")
+endif()
+
+# Set these up as variables to make reading the generated file easier
+set(CMAKE_COMMAND "@CMAKE_COMMAND@") # path
+set(source_file "@source_file@") # path
+set(NVCC_generated_dependency_file "@NVCC_generated_dependency_file@") # path
+set(cmake_dependency_file "@cmake_dependency_file@") # path
+set(CUDA_make2cmake "@CUDA_make2cmake@") # path
+set(CUDA_parse_cubin "@CUDA_parse_cubin@") # path
+set(build_cubin @build_cubin@) # bool
+# We won't actually use these variables for now, but we need to set this, in
+# order to force this file to be run again if it changes.
+set(generated_file_path "@generated_file_path@") # path
+set(generated_file_internal "@generated_file@") # path
+set(generated_cubin_file_internal "@generated_cubin_file@") # path
+
+set(CUDA_NVCC_EXECUTABLE "@CUDA_NVCC_EXECUTABLE@") # path
+set(CUDA_NVCC_FLAGS @CUDA_NVCC_FLAGS@ ;; @CUDA_WRAP_OPTION_NVCC_FLAGS@) # list
+@CUDA_NVCC_FLAGS_CONFIG@
+set(nvcc_flags @nvcc_flags@) # list
+set(CUDA_NVCC_INCLUDE_ARGS "@CUDA_NVCC_INCLUDE_ARGS@") # list (needs to be in quotes to handle spaces properly).
+set(format_flag "@format_flag@") # string
+
+if(build_cubin AND NOT generated_cubin_file)
+ message(FATAL_ERROR "You must specify generated_cubin_file on the command line")
+endif()
+
+# This is the list of host compilation flags. It C or CXX should already have
+# been chosen by FindCUDA.cmake.
+@CUDA_HOST_FLAGS@
+
+# Take the compiler flags and package them up to be sent to the compiler via -Xcompiler
+set(nvcc_host_compiler_flags "")
+# If we weren't given a build_configuration, use Debug.
+if(NOT build_configuration)
+ set(build_configuration Debug)
+endif()
+string(TOUPPER "${build_configuration}" build_configuration)
+#message("CUDA_NVCC_HOST_COMPILER_FLAGS = ${CUDA_NVCC_HOST_COMPILER_FLAGS}")
+foreach(flag ${CMAKE_HOST_FLAGS} ${CMAKE_HOST_FLAGS_${build_configuration}})
+ # Extra quotes are added around each flag to help nvcc parse out flags with spaces.
+ set(nvcc_host_compiler_flags "${nvcc_host_compiler_flags},\"${flag}\"")
+endforeach()
+if (nvcc_host_compiler_flags)
+ set(nvcc_host_compiler_flags "-Xcompiler" ${nvcc_host_compiler_flags})
+endif()
+#message("nvcc_host_compiler_flags = \"${nvcc_host_compiler_flags}\"")
+# Add the build specific configuration flags
+list(APPEND CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS_${build_configuration}})
+
+if(DEFINED CCBIN)
+ set(CCBIN -ccbin "${CCBIN}")
+endif()
+
+# cuda_execute_process - Executes a command with optional command echo and status message.
+#
+# status - Status message to print if verbose is true
+# command - COMMAND argument from the usual execute_process argument structure
+# ARGN - Remaining arguments are the command with arguments
+#
+# CUDA_result - return value from running the command
+#
+# Make this a macro instead of a function, so that things like RESULT_VARIABLE
+# and other return variables are present after executing the process.
+macro(cuda_execute_process status command)
+ set(_command ${command})
+ if(NOT _command STREQUAL "COMMAND")
+ message(FATAL_ERROR "Malformed call to cuda_execute_process. Missing COMMAND as second argument. (command = ${command})")
+ endif()
+ if(verbose)
+ execute_process(COMMAND "${CMAKE_COMMAND}" -E echo -- ${status})
+ # Now we need to build up our command string. We are accounting for quotes
+ # and spaces, anything else is left up to the user to fix if they want to
+ # copy and paste a runnable command line.
+ set(cuda_execute_process_string)
+ foreach(arg ${ARGN})
+ # If there are quotes, excape them, so they come through.
+ string(REPLACE "\"" "\\\"" arg ${arg})
+ # Args with spaces need quotes around them to get them to be parsed as a single argument.
+ if(arg MATCHES " ")
+ list(APPEND cuda_execute_process_string "\"${arg}\"")
+ else()
+ list(APPEND cuda_execute_process_string ${arg})
+ endif()
+ endforeach()
+ # Echo the command
+ execute_process(COMMAND ${CMAKE_COMMAND} -E echo ${cuda_execute_process_string})
+ endif(verbose)
+ # Run the command
+ execute_process(COMMAND ${ARGN} RESULT_VARIABLE CUDA_result )
+endmacro()
+
+# Delete the target file
+cuda_execute_process(
+ "Removing ${generated_file}"
+ COMMAND "${CMAKE_COMMAND}" -E remove "${generated_file}"
+ )
+
+# For CUDA 2.3 and below, -G -M doesn't work, so remove the -G flag
+# for dependency generation and hope for the best.
+set(depends_CUDA_NVCC_FLAGS "${CUDA_NVCC_FLAGS}")
+set(CUDA_VERSION @CUDA_VERSION@)
+if(CUDA_VERSION VERSION_LESS "3.0")
+ cmake_policy(PUSH)
+ # CMake policy 0007 NEW states that empty list elements are not
+ # ignored. I'm just setting it to avoid the warning that's printed.
+ cmake_policy(SET CMP0007 NEW)
+ # Note that this will remove all occurances of -G.
+ list(REMOVE_ITEM depends_CUDA_NVCC_FLAGS "-G")
+ cmake_policy(POP)
+endif()
+
+# nvcc doesn't define __CUDACC__ for some reason when generating dependency files. This
+# can cause incorrect dependencies when #including files based on this macro which is
+# defined in the generating passes of nvcc invokation. We will go ahead and manually
+# define this for now until a future version fixes this bug.
+set(CUDACC_DEFINE -D__CUDACC__)
+
+# Generate the dependency file
+cuda_execute_process(
+ "Generating dependency file: ${NVCC_generated_dependency_file}"
+ COMMAND "${CUDA_NVCC_EXECUTABLE}"
+ -M
+ ${CUDACC_DEFINE}
+ "${source_file}"
+ -o "${NVCC_generated_dependency_file}"
+ ${CCBIN}
+ ${nvcc_flags}
+ ${nvcc_host_compiler_flags}
+ ${depends_CUDA_NVCC_FLAGS}
+ -DNVCC
+ ${CUDA_NVCC_INCLUDE_ARGS}
+ )
+
+if(CUDA_result)
+ message(FATAL_ERROR "Error generating ${generated_file}")
+endif()
+
+# Generate the cmake readable dependency file to a temp file. Don't put the
+# quotes just around the filenames for the input_file and output_file variables.
+# CMake will pass the quotes through and not be able to find the file.
+cuda_execute_process(
+ "Generating temporary cmake readable file: ${cmake_dependency_file}.tmp"
+ COMMAND "${CMAKE_COMMAND}"
+ -D "input_file:FILEPATH=${NVCC_generated_dependency_file}"
+ -D "output_file:FILEPATH=${cmake_dependency_file}.tmp"
+ -P "${CUDA_make2cmake}"
+ )
+
+if(CUDA_result)
+ message(FATAL_ERROR "Error generating ${generated_file}")
+endif()
+
+# Copy the file if it is different
+cuda_execute_process(
+ "Copy if different ${cmake_dependency_file}.tmp to ${cmake_dependency_file}"
+ COMMAND "${CMAKE_COMMAND}" -E copy_if_different "${cmake_dependency_file}.tmp" "${cmake_dependency_file}"
+ )
+
+if(CUDA_result)
+ message(FATAL_ERROR "Error generating ${generated_file}")
+endif()
+
+# Delete the temporary file
+cuda_execute_process(
+ "Removing ${cmake_dependency_file}.tmp and ${NVCC_generated_dependency_file}"
+ COMMAND "${CMAKE_COMMAND}" -E remove "${cmake_dependency_file}.tmp" "${NVCC_generated_dependency_file}"
+ )
+
+if(CUDA_result)
+ message(FATAL_ERROR "Error generating ${generated_file}")
+endif()
+
+# Generate the code
+cuda_execute_process(
+ "Generating ${generated_file}"
+ COMMAND "${CUDA_NVCC_EXECUTABLE}"
+ "${source_file}"
+ ${format_flag} -o "${generated_file}"
+ ${CCBIN}
+ ${nvcc_flags}
+ ${nvcc_host_compiler_flags}
+ ${CUDA_NVCC_FLAGS}
+ -DNVCC
+ ${CUDA_NVCC_INCLUDE_ARGS}
+ )
+
+if(CUDA_result)
+ # Since nvcc can sometimes leave half done files make sure that we delete the output file.
+ cuda_execute_process(
+ "Removing ${generated_file}"
+ COMMAND "${CMAKE_COMMAND}" -E remove "${generated_file}"
+ )
+ message(FATAL_ERROR "Error generating file ${generated_file}")
+else()
+ if(verbose)
+ message("Generated ${generated_file} successfully.")
+ endif()
+endif()
+
+# Cubin resource report commands.
+if( build_cubin )
+ # Run with -cubin to produce resource usage report.
+ cuda_execute_process(
+ "Generating ${generated_cubin_file}"
+ COMMAND "${CUDA_NVCC_EXECUTABLE}"
+ "${source_file}"
+ ${CUDA_NVCC_FLAGS}
+ ${nvcc_flags}
+ ${CCBIN}
+ ${nvcc_host_compiler_flags}
+ -DNVCC
+ -cubin
+ -o "${generated_cubin_file}"
+ ${CUDA_NVCC_INCLUDE_ARGS}
+ )
+
+ # Execute the parser script.
+ cuda_execute_process(
+ "Executing the parser script"
+ COMMAND "${CMAKE_COMMAND}"
+ -D "input_file:STRING=${generated_cubin_file}"
+ -P "${CUDA_parse_cubin}"
+ )
+
+endif( build_cubin )