libpthread-stubs: libpthread-stubs libpthread-stubs: libpthread-stubs: libpthread-stubs is part of X11. libpthread-stubs: libpthread-stubs: For more information about the X.Org Foundation (the providers of the libpthread-stubs: X.Org implementation of the X Window System), see their website: libpthread-stubs: libpthread-stubs: http://www.x.org libpthread-stubs: libpthread-stubs: libpthread-stubs: