28 lines
1.1 KiB
CMake
28 lines
1.1 KiB
CMake
# FindPythonModule.cmake: find a specific Python module.
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#
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# The source here is Mark Moll from a post on the CMake mailing list:
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# https://cmake.org/pipermail/cmake/2011-January/041666.html
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function(find_python_module module)
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string(TOUPPER ${module} module_upper)
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if (NOT PY_${module_upper})
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if (ARGC GREATER 1 AND ARGV1 STREQUAL "REQUIRED")
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set(${module}_FIND_REQUIRED TRUE)
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endif ()
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# A module's location is usually a directory, but for binary modules
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# it's a .so file.
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execute_process(COMMAND "${PYTHON}" "-c"
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"import re, ${module}; print re.compile('/__init__.py.*').sub('',${module}.__file__)"
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RESULT_VARIABLE _${module}_status
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OUTPUT_VARIABLE _${module}_location
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ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE)
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if (NOT _${module}_status)
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set(PY_${module_upper} ${_${module}_location} CACHE STRING
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"Location of Python module ${module}")
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endif ()
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endif ()
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find_package_handle_standard_args(PY_${module} DEFAULT_MSG PY_${module_upper})
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if (NOT PY_${module}_FOUND AND ${module}_FIND_REQUIRED)
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message(FATAL_ERROR "Could not find Python module ${module}!")
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endif ()
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endfunction ()
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