AlkantarClanX12
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#LOCATE_PYTHON_MODULE(<module> [PATHS <path1> ... <pathN>] [REQUIRED])
#
# This function tries to find the given python module.
# If found the path is provided in <PY_<module> and <<module>_FOUND> is set to TRUE.
#
# After PATHS additional paths for python to search can be provided.
# When REQUIRED is set, the function will abort the cmake execution is the module is not found
function(LOCATE_PYTHON_MODULE module)
find_package(PythonInterp)
# Parse (additional) arguments
set(options REQUIRED)
set(multiValueArgs PATHS)
cmake_parse_arguments(LPM "${options}" "" "${multiValueArgs}" ${ARGN})
string(TOUPPER ${module} module_upper)
if(NOT PY_${module_upper})
if(LPM_PATHS)
# Append LPM_PATHS to PYTHONPATH to search at provided location (first)
file(TO_CMAKE_PATH "$ENV{PYTHONPATH}" CMAKE_PATH)
list(INSERT CMAKE_PATH 0 ${LPM_PATHS})
file(TO_NATIVE_PATH "${CMAKE_PATH}" NATIVE_PATH)
if(UNIX)
string(REPLACE ";" ":" NATIVE_PATH "${NATIVE_PATH}")
endif(UNIX)
set(ENV{PYTHONPATH} "${NATIVE_PATH}")
endif(LPM_PATHS)
# Use the (native) python impl module to find the location of the requested module
execute_process(COMMAND "${PYTHON_EXECUTABLE}" "-c"
"import imp; print(imp.find_module('${module}')[1])"
RESULT_VARIABLE _${module}_status
OUTPUT_VARIABLE _${module}_location
ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
if(NOT _${module}_status)
set(PY_${module_upper} ${_${module}_location} CACHE STRING
"Location of Python module ${module}")
set(${module_upper}_FOUND TRUE)
message(STATUS "Found python module ${module}: ${PY_${module_upper}}")
else(NOT _${module}_status)
set(${module_upper}_FOUND FALSE)
if(LPM_REQUIRED)
message(FATAL_ERROR "Could NOT find python module ${module}")
else(LPM_REQUIRED)
message(STATUS "Could NOT find python module ${module}")
endif(LPM_REQUIRED)
endif(NOT _${module}_status)
endif(NOT PY_${module_upper})
endfunction(LOCATE_PYTHON_MODULE)