merge libXaw 1.0.16, libfontenc 1.1.8, libpthread-stubs 0.5, and
util-macros 1.20.1.

initial import of libpthread-stubs-0.5

merge libXext 1.3.3, libXi 1.7.4, libXinerama 1.1.3 and libpthread-stubs 0.3.

initial import of libpthread-stubs-0.3

libpthread-stubs needs a config.h

initial import of libpthread-stubs-0.1