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Fix code to obtain Python relative install dir in Python 3.12 #1511

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Oct 30, 2023
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9 changes: 7 additions & 2 deletions CMakeLists.txt
Original file line number Diff line number Diff line change
Expand Up @@ -42,8 +42,13 @@ include(RobotologySuperbuildOptions)
# Python-related logic
if(ROBOTOLOGY_USES_PYTHON)
find_package(Python3 COMPONENTS Interpreter Development REQUIRED)
execute_process(COMMAND ${Python3_EXECUTABLE} -c "from distutils import sysconfig; print(sysconfig.get_python_lib(1,0,prefix=''))"
OUTPUT_VARIABLE _PYTHON_INSTDIR)
if(Python3_VERSION VERSION_GREATER_EQUAL 3.12)
execute_process(COMMAND ${Python3_EXECUTABLE} -c "import os;import sysconfig;relative_site_packages = sysconfig.get_path('purelib').replace(sysconfig.get_path('data'), '').lstrip(os.path.sep);print(relative_site_packages)"
OUTPUT_VARIABLE _PYTHON_INSTDIR)
else()
execute_process(COMMAND ${Python3_EXECUTABLE} -c "from distutils import sysconfig; print(sysconfig.get_python_lib(1,0,prefix=''))"
OUTPUT_VARIABLE _PYTHON_INSTDIR)
endif()
string(STRIP ${_PYTHON_INSTDIR} ROBOTOLOGY_SUPERBUILD_PYTHON_INSTALL_DIR)
file(TO_CMAKE_PATH "${ROBOTOLOGY_SUPERBUILD_PYTHON_INSTALL_DIR}" ROBOTOLOGY_SUPERBUILD_PYTHON_INSTALL_DIR)

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