Revision 673450

- try to build with gcc instead of clang to try to fix crash (mga#14062)
- added macro for clang build
- added patch to fix "GLib-CRITICAL **: g_slice_set_config: assertion:
  'sys_page_size == 0' failed"
  o disabled for now, will be enabled after the current crashes are fixed
- removed change to nonexistent config/make-jars.pl (SILENT)