mirror of
https://github.com/pytorch/pytorch.git
synced 2025-10-20 21:14:14 +08:00
f204e3e624
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/16465 Differential Revision: D13853949 Pulled By: resistor fbshipit-source-id: 71ccf90a2824ad21c9f26dd753b186f30435d82a
241 lines
9.5 KiB
CMake
241 lines
9.5 KiB
CMake
################################################################################################
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# Exclude and prepend functionalities
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function (exclude OUTPUT INPUT)
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set(EXCLUDES ${ARGN})
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foreach(EXCLUDE ${EXCLUDES})
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list(REMOVE_ITEM INPUT "${EXCLUDE}")
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endforeach()
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set(${OUTPUT} ${INPUT} PARENT_SCOPE)
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endfunction(exclude)
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function (prepend OUTPUT PREPEND)
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set(OUT "")
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foreach(ITEM ${ARGN})
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list(APPEND OUT "${PREPEND}${ITEM}")
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endforeach()
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set(${OUTPUT} ${OUT} PARENT_SCOPE)
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endfunction(prepend)
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################################################################################################
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# Clears variables from list
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# Usage:
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# caffe_clear_vars(<variables_list>)
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macro(caffe_clear_vars)
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foreach(_var ${ARGN})
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unset(${_var})
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endforeach()
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endmacro()
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################################################################################################
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# Prints list element per line
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# Usage:
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# caffe_print_list(<list>)
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function(caffe_print_list)
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foreach(e ${ARGN})
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message(STATUS ${e})
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endforeach()
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endfunction()
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################################################################################################
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# Reads set of version defines from the header file
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# Usage:
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# caffe_parse_header(<file> <define1> <define2> <define3> ..)
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macro(caffe_parse_header FILENAME FILE_VAR)
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set(vars_regex "")
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set(__parnet_scope OFF)
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set(__add_cache OFF)
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foreach(name ${ARGN})
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if("${name}" STREQUAL "PARENT_SCOPE")
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set(__parnet_scope ON)
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elseif("${name}" STREQUAL "CACHE")
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set(__add_cache ON)
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elseif(vars_regex)
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set(vars_regex "${vars_regex}|${name}")
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else()
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set(vars_regex "${name}")
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endif()
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endforeach()
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if(EXISTS "${FILENAME}")
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file(STRINGS "${FILENAME}" ${FILE_VAR} REGEX "#define[ \t]+(${vars_regex})[ \t]+[0-9]+" )
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else()
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unset(${FILE_VAR})
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endif()
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foreach(name ${ARGN})
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if(NOT "${name}" STREQUAL "PARENT_SCOPE" AND NOT "${name}" STREQUAL "CACHE")
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if(${FILE_VAR})
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if(${FILE_VAR} MATCHES ".+[ \t]${name}[ \t]+([0-9]+).*")
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string(REGEX REPLACE ".+[ \t]${name}[ \t]+([0-9]+).*" "\\1" ${name} "${${FILE_VAR}}")
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else()
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set(${name} "")
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endif()
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if(__add_cache)
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set(${name} ${${name}} CACHE INTERNAL "${name} parsed from ${FILENAME}" FORCE)
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elseif(__parnet_scope)
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set(${name} "${${name}}" PARENT_SCOPE)
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endif()
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else()
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unset(${name} CACHE)
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endif()
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endif()
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endforeach()
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endmacro()
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################################################################################################
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# Reads single version define from the header file and parses it
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# Usage:
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# caffe_parse_header_single_define(<library_name> <file> <define_name>)
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function(caffe_parse_header_single_define LIBNAME HDR_PATH VARNAME)
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set(${LIBNAME}_H "")
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if(EXISTS "${HDR_PATH}")
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file(STRINGS "${HDR_PATH}" ${LIBNAME}_H REGEX "^#define[ \t]+${VARNAME}[ \t]+\"[^\"]*\".*$" LIMIT_COUNT 1)
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endif()
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if(${LIBNAME}_H)
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string(REGEX REPLACE "^.*[ \t]${VARNAME}[ \t]+\"([0-9]+).*$" "\\1" ${LIBNAME}_VERSION_MAJOR "${${LIBNAME}_H}")
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string(REGEX REPLACE "^.*[ \t]${VARNAME}[ \t]+\"[0-9]+\\.([0-9]+).*$" "\\1" ${LIBNAME}_VERSION_MINOR "${${LIBNAME}_H}")
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string(REGEX REPLACE "^.*[ \t]${VARNAME}[ \t]+\"[0-9]+\\.[0-9]+\\.([0-9]+).*$" "\\1" ${LIBNAME}_VERSION_PATCH "${${LIBNAME}_H}")
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set(${LIBNAME}_VERSION_MAJOR ${${LIBNAME}_VERSION_MAJOR} ${ARGN} PARENT_SCOPE)
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set(${LIBNAME}_VERSION_MINOR ${${LIBNAME}_VERSION_MINOR} ${ARGN} PARENT_SCOPE)
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set(${LIBNAME}_VERSION_PATCH ${${LIBNAME}_VERSION_PATCH} ${ARGN} PARENT_SCOPE)
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set(${LIBNAME}_VERSION_STRING "${${LIBNAME}_VERSION_MAJOR}.${${LIBNAME}_VERSION_MINOR}.${${LIBNAME}_VERSION_PATCH}" PARENT_SCOPE)
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# append a TWEAK version if it exists:
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set(${LIBNAME}_VERSION_TWEAK "")
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if("${${LIBNAME}_H}" MATCHES "^.*[ \t]${VARNAME}[ \t]+\"[0-9]+\\.[0-9]+\\.[0-9]+\\.([0-9]+).*$")
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set(${LIBNAME}_VERSION_TWEAK "${CMAKE_MATCH_1}" ${ARGN} PARENT_SCOPE)
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endif()
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if(${LIBNAME}_VERSION_TWEAK)
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set(${LIBNAME}_VERSION_STRING "${${LIBNAME}_VERSION_STRING}.${${LIBNAME}_VERSION_TWEAK}" ${ARGN} PARENT_SCOPE)
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else()
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set(${LIBNAME}_VERSION_STRING "${${LIBNAME}_VERSION_STRING}" ${ARGN} PARENT_SCOPE)
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endif()
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endif()
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endfunction()
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################################################################################################
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# Parses a version string that might have values beyond major, minor, and patch
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# and set version variables for the library.
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# Usage:
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# caffe2_parse_version_str(<library_name> <version_string>)
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function(caffe2_parse_version_str LIBNAME VERSIONSTR)
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string(REGEX REPLACE "^([0-9]+).*$" "\\1" ${LIBNAME}_VERSION_MAJOR "${VERSIONSTR}")
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string(REGEX REPLACE "^[0-9]+\\.([0-9]+).*$" "\\1" ${LIBNAME}_VERSION_MINOR "${VERSIONSTR}")
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string(REGEX REPLACE "[0-9]+\\.[0-9]+\\.([0-9]+).*$" "\\1" ${LIBNAME}_VERSION_PATCH "${VERSIONSTR}")
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set(${LIBNAME}_VERSION_MAJOR ${${LIBNAME}_VERSION_MAJOR} ${ARGN} PARENT_SCOPE)
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set(${LIBNAME}_VERSION_MINOR ${${LIBNAME}_VERSION_MINOR} ${ARGN} PARENT_SCOPE)
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set(${LIBNAME}_VERSION_PATCH ${${LIBNAME}_VERSION_PATCH} ${ARGN} PARENT_SCOPE)
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set(${LIBNAME}_VERSION "${${LIBNAME}_VERSION_MAJOR}.${${LIBNAME}_VERSION_MINOR}.${${LIBNAME}_VERSION_PATCH}" PARENT_SCOPE)
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endfunction()
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###
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# Removes common indentation from a block of text to produce code suitable for
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# setting to `python -c`, or using with pycmd. This allows multiline code to be
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# nested nicely in the surrounding code structure.
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#
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# This function respsects PYTHON_EXECUTABLE if it defined, otherwise it uses
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# `python` and hopes for the best. An error will be thrown if it is not found.
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#
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# Args:
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# outvar : variable that will hold the stdout of the python command
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# text : text to remove indentation from
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#
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function(dedent outvar text)
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# Use PYTHON_EXECUTABLE if it is defined, otherwise default to python
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if ("${PYTHON_EXECUTABLE}" STREQUAL "")
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set(_python_exe "python")
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else()
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set(_python_exe "${PYTHON_EXECUTABLE}")
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endif()
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set(_fixup_cmd "import sys; from textwrap import dedent; print(dedent(sys.stdin.read()))")
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file(WRITE "${CMAKE_BINARY_DIR}/indented.txt" "${text}")
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execute_process(
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COMMAND "${_python_exe}" -c "${_fixup_cmd}"
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INPUT_FILE "${CMAKE_BINARY_DIR}/indented.txt"
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RESULT_VARIABLE _dedent_exitcode
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OUTPUT_VARIABLE _dedent_text)
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if(NOT ${_dedent_exitcode} EQUAL 0)
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message(ERROR " Failed to remove indentation from: \n\"\"\"\n${text}\n\"\"\"
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Python dedent failed with error code: ${_dedent_exitcode}")
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message(FATAL_ERROR " Python dedent failed with error code: ${_dedent_exitcode}")
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endif()
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# Remove supurflous newlines (artifacts of print)
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string(STRIP "${_dedent_text}" _dedent_text)
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set(${outvar} "${_dedent_text}" PARENT_SCOPE)
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endfunction()
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function(pycmd_no_exit outvar exitcode cmd)
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# Use PYTHON_EXECUTABLE if it is defined, otherwise default to python
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if ("${PYTHON_EXECUTABLE}" STREQUAL "")
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set(_python_exe "python")
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else()
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set(_python_exe "${PYTHON_EXECUTABLE}")
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endif()
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# run the actual command
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execute_process(
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COMMAND "${_python_exe}" -c "${cmd}"
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RESULT_VARIABLE _exitcode
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OUTPUT_VARIABLE _output)
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# Remove supurflous newlines (artifacts of print)
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string(STRIP "${_output}" _output)
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set(${outvar} "${_output}" PARENT_SCOPE)
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set(${exitcode} "${_exitcode}" PARENT_SCOPE)
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endfunction()
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###
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# Helper function to run `python -c "<cmd>"` and capture the results of stdout
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#
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# Runs a python command and populates an outvar with the result of stdout.
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# Common indentation in the text of `cmd` is removed before the command is
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# executed, so the caller does not need to worry about indentation issues.
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#
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# This function respsects PYTHON_EXECUTABLE if it defined, otherwise it uses
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# `python` and hopes for the best. An error will be thrown if it is not found.
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#
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# Args:
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# outvar : variable that will hold the stdout of the python command
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# cmd : text representing a (possibly multiline) block of python code
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#
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function(pycmd outvar cmd)
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dedent(_dedent_cmd "${cmd}")
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pycmd_no_exit(_output _exitcode "${_dedent_cmd}")
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if(NOT ${_exitcode} EQUAL 0)
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message(ERROR " Failed when running python code: \"\"\"\n${_dedent_cmd}\n\"\"\"")
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message(FATAL_ERROR " Python command failed with error code: ${_exitcode}")
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endif()
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# Remove supurflous newlines (artifacts of print)
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string(STRIP "${_output}" _output)
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set(${outvar} "${_output}" PARENT_SCOPE)
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endfunction()
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###
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# Helper function to print out everything that cmake knows about a target
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#
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# Copied from https://stackoverflow.com/questions/32183975/how-to-print-all-the-properties-of-a-target-in-cmake
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# This isn't called anywhere, but it's very useful when debugging cmake
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# NOTE: This doesn't work for INTERFACE_LIBRARY or INTERFACE_LINK_LIBRARY targets
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function(print_target_properties tgt)
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if(NOT TARGET ${tgt})
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message("There is no target named '${tgt}'")
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return()
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endif()
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# Get a list of all cmake properties TODO cache this lazily somehow
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execute_process(COMMAND cmake --help-property-list OUTPUT_VARIABLE CMAKE_PROPERTY_LIST)
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STRING(REGEX REPLACE ";" "\\\\;" CMAKE_PROPERTY_LIST "${CMAKE_PROPERTY_LIST}")
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STRING(REGEX REPLACE "\n" ";" CMAKE_PROPERTY_LIST "${CMAKE_PROPERTY_LIST}")
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foreach (prop ${CMAKE_PROPERTY_LIST})
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string(REPLACE "<CONFIG>" "${CMAKE_BUILD_TYPE}" prop ${prop})
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get_property(propval TARGET ${tgt} PROPERTY ${prop} SET)
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if (propval)
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get_target_property(propval ${tgt} ${prop})
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message ("${tgt} ${prop} = ${propval}")
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endif()
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endforeach(prop)
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endfunction(print_target_properties)
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