freecad-python-interface: use absolute-path to install-bin-dir for windows

src/Ext/freecad/CMakeLists.txt

@@ -5,7 +5,9 @@ SET(PYTHON_MAIN_DIR ${python_libs})
 
 set(NAMESPACE_INIT "${CMAKE_BINARY_DIR}/Ext/freecad/__init__.py")
 if (WIN32)
-	set(FREECAD_LIBRARY_INSTALL_DIR ${CMAKE_INSTALL_BINDIR})
+	get_filename_component(FREECAD_LIBRARY_INSTALL_DIR "${CMAKE_INSTALL_BINDIR}"
+                       REALPATH BASE_DIR "${CMAKE_INSTALL_PREFIX}")
+	set( ${CMAKE_INSTALL_BINDIR})
 else()
 	set(FREECAD_LIBRARY_INSTALL_DIR ${CMAKE_INSTALL_LIBDIR})
 endif()

src/Ext/freecad/__init__.py.template

@@ -12,9 +12,9 @@ except ModuleNotFoundError:
     except KeyError:
 
         # 2. we use the default freecad defined for this package
-        _path_to_freecad_libdir = "${CMAKE_INSTALL_LIBDIR}"
+        _path_to_freecad_libdir = "${FREECAD_LIBRARY_INSTALL_DIR}"
         print("PATH_TO_FREECAD_LIBDIR not specified, using default \
-FreeCAD version in {}".format( "${FREECAD_LIBRARY_INSTALL_DIR}"))
+FreeCAD version in {}".format("${FREECAD_LIBRARY_INSTALL_DIR}"))
 
     _sys.path.append(_path_to_freecad_libdir) # this is the default version
     import FreeCAD as app