better detection of python libraries

Author: thelfer

CMakeLists.txt

@@ -41,7 +41,7 @@ if(enable-python-bindings)
   message(STATUS "python include path   ${PYTHON_INCLUDE_DIRS}")
   message(STATUS "python libraries path ${PYTHON_LIBRARY_PATH}")
   message(STATUS "python library        ${PYTHON_LIBRARY}")
-  string(REGEX REPLACE "[a-z]+.*$" "" PYTHONLIBS_VERSION_CLEANED ${PYTHONLIBS_VERSION_STRING})
+  string(REGEX REPLACE "[-a-z+]+.*$" "" PYTHONLIBS_VERSION_CLEANED "${PYTHONLIBS_VERSION_STRING}")
   find_package(PythonInterp ${PYTHONLIBS_VERSION_CLEANED} REQUIRED)
   message(STATUS "python interpreter    ${PYTHON_EXECUTABLE}")
   if(NOT HAVE_PYTHON)