gdb/osf-share/README

   1 This directory contains header files necessary to build a thread-aware GDB on
   2 systems based on OSF's CMA threads package.
   3
   4 The latest version of these header files are available for free from:
   5
   6         http://www.osf.org/mall/dce/SW-code
   7
   8 Currently, the only port of GDB which supports CMA threads is HP/UX-10.10.