install.texi (Configuration, [...]): Remove mach.
gcc:
* doc/install.texi (Configuration, --enable-threads): Remove mach.
Add lynx, mipssde.
Sort table.
boehm-gc:
* configure.ac (THREADS): Remove decosf1, irix, mach, os2.
* configure: Regenerate
libjava:
* configure.ac (THREADS): Remove decosf1, irix, mach, os2.
* configure: Regenerate
From-SVN: r172726