49 lines
1.5 KiB
CMake
49 lines
1.5 KiB
CMake
# Find a Python module
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# Found at http://www.cmake.org/pipermail/cmake/2011-January/041666.html
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# To use do: find_python_module(NumPy REQUIRED)
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# Reports also version of package, but you can't currently enforce a specific version to be
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# searched for...
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macro(find_python_module module)
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# Fail if Python interpreter not known
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if(NOT PYTHON_EXECUTABLE)
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message(FATAL_ERROR "Use find_package(PythonInterp) first!")
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endif()
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string(TOLOWER ${module} _module_lower)
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if(NOT ${_module_lower})
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if(ARGC GREATER 1 AND ARGV1 STREQUAL "REQUIRED")
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set(${module}_FIND_REQUIRED TRUE)
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endif()
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# Find module location
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execute_process(
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COMMAND
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${PYTHON_EXECUTABLE} "-c" "import re, ${_module_lower}; print(re.compile('/__init__.py.*').sub('',${_module_lower}.__file__))"
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RESULT_VARIABLE ${module}_STATUS
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OUTPUT_VARIABLE ${module}_LOCATION
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ERROR_QUIET
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OUTPUT_STRIP_TRAILING_WHITESPACE
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)
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if(NOT ${module}_STATUS)
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set(${module} ${${module}_LOCATION} CACHE STRING "Location of Python module ${module}")
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endif()
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# Find module version
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execute_process(
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COMMAND
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${PYTHON_EXECUTABLE} "-c" "import re, ${_module_lower}; print(re.compile('/__init__.py.*').sub('',${_module_lower}.__version__))"
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OUTPUT_VARIABLE ${module}_VERSION
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ERROR_QUIET
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OUTPUT_STRIP_TRAILING_WHITESPACE
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)
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endif()
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(${module}
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FOUND_VAR
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${module}_FOUND
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REQUIRED_VARS
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${module}_LOCATION
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VERSION_VAR
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${module}_VERSION
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)
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endmacro() |