PR other/17991

	* Makefile.in (ALLOBJ, TESTOBJ, FIXOBJ): Add fixopts.o.
	Update copyright year.
	* fixfixes.c (main): Call initialize_opts from fixopts.c.
	* fixincl.c (initialize): Call initialize_opts from fixopts.c,
	do not include code for parsing options (environment vars).
	(fix_with_system): Use a search path for applyfix, so that you
	can run the test suite with two-process fixincludes.
	* fixopts.c: New file.
	* configure.ac: Add --enable-twoprocess.  Export ac_exeext
	to config.h.  Default to --enable-twoprocess for MinGW32.
	* config.h.in: Regenerate.
	* configure: Regenerate.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@89087 138bc75d-0d04-0410-961f-82ee72b054a4