Sync from GCC:

	2011-03-24  Paolo Bonzini  <bonzini@gnu.org>

	* configure.ac: Remove empty cases.
	* configure: Regenerate.

	2011-03-24  Paolo Bonzini  <bonzini@gnu.org>

	* Makefile.def: Add dependency from termcap to gdb.
	* Makefile.in: Regenerate.

	2011-03-24  Paolo Bonzini  <bonzini@gnu.org>

	* configure.ac: Remove all mentions of mh-sysv4 and mh-solaris.
	* configure: Regenerate.
	* Makefile.def: Remove all mentions of X11_FLAGS_TO_PASS.
	* Makefile.tpl: Likewise.
	* Makefile.in: Regenerate.

	2011-03-24  Paolo Bonzini  <bonzini@gnu.org>

	* configure.ac: Remove all mentions of tentative_cc.
	* configure: Regenerate.

	2011-03-16  Jack Howarth  <howarth@bromo.med.uc.edu>

	PR lto/48086
	* configure.ac: Re-enable LTO on *-apple-darwin9.
	* configure: Regenerate.

config:
2011-03-24  Paolo Bonzini  <bonzini@gnu.org>

	Sync from GCC:

	2011-03-24  Paolo Bonzini  <bonzini@gnu.org>

	* mh-cygwin: Remove obsolete variables and dependencies.

	2011-03-24  Paolo Bonzini  <bonzini@gnu.org>

	* mh-sysv4: Remove.
	* mh-solaris: Remove.

	2011-03-24  Paolo Bonzini  <bonzini@gnu.org>

	* mh-sysv4: Remove AR_CFLAGS.