Merge pull request #1025 from OpenShot/install-prefix-python

Fixing Cmake fallback python folder detection (to not return /usr/local)

Author: jonoomph

bindings/python/CMakeLists.txt

@@ -116,12 +116,8 @@ if (NOT DEFINED PYTHON_MODULE_PATH)
 
     if (NOT EXISTS "${CMAKE_INSTALL_PREFIX}/${PYTHON_MODULE_PATH}")
       ### Calculate the python module path (prefer sysconfig, fallback to distutils for compatibility)
-      execute_process(COMMAND ${PYTHON_EXECUTABLE} -c "\
-try:
-  import sysconfig; print(sysconfig.get_path('platlib'))
-except ImportError:
-  from distutils.sysconfig import get_python_lib; \
-  print(get_python_lib(plat_specific=True, prefix=''))"
+      execute_process(
+              COMMAND ${PYTHON_EXECUTABLE} -c "import sysconfig; print(sysconfig.get_path('platlib', scheme='posix_prefix')[1:])"
               OUTPUT_VARIABLE PYTHON_MODULE_PATH
               OUTPUT_STRIP_TRAILING_WHITESPACE)
     endif()