File mathgl-fix-python-module-path.patch of Package mathgl

Index: mathgl-2.0/lang/CMakeLists.txt
===================================================================
--- mathgl-2.0.orig/lang/CMakeLists.txt
+++ mathgl-2.0/lang/CMakeLists.txt
@@ -43,7 +43,7 @@ if(MGL_HAVE_PYTHON)
 		WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/lang
 	)
 	add_custom_target(mgl_python_module ALL DEPENDS _mathgl.so mathgl.py)
-	install(CODE "execute_process(COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_BINARY_DIR}/lang/setup.py install --prefix=${CMAKE_INSTALL_PREFIX} WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/lang )")
+	install(CODE "execute_process(COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_BINARY_DIR}/lang/setup.py install --prefix=${CMAKE_INSTALL_PREFIX} --root=\$ENV{DESTDIR} WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/lang )")
 	set_directory_properties(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES "mgl_wrap.cpp;build;mathgl.pyc")
 endif(MGL_HAVE_PYTHON)