* gdb.mi/pthreads.c: Add copyright notice.
* configure.in: Don't generate config.h from config.hin. * configure: Regenerate. * config.hin: Remove file. * gdb.mi/pthreads.c: Remove include of config.h, and other ifdefs. * gdb.threads/pthreads.c: Ditto.
Check for pthread.h. * configure: Regenerate. * config.in: New file. * pthreads.c: New file. * mi-pthreads.exp: New file to test thread functionality. * gdb669.exp: New file.