* lt~obsolete.m4: Update to libtool 2.2.6.
	* ltmain.sh: Update to libtool 2.2.6.
	* ltsugar.m4: Update to libtool 2.2.6.
	* ltversion.m4: Update to libtool 2.2.6.
	* ltoptions.m4: Update to libtool 2.2.6.
	* ltgcc.m4: Update to match changes from libtool 2.2.6.

	Backport from upstream Libtool:

	2007-10-12  Eric Blake  <ebb9@byu.net>

	Deal with Autoconf 2.62's semantic change in m4_append.
	* ltsugar.m4 (lt_append): Replace broken versions of
	m4_append.
	(lt_if_append_uniq): Don't require separator to be overquoted,
	and avoid broken m4_append.
	(lt_dict_add): Fix typo.
	* libtool.m4 (_LT_DECL): Don't overquote separator.

	* libtool.m4: Update from GCC.
	* ltsugar.m4: New. Update from GCC.
	* ltversion.m4: New. Update from GCC.
	* ltoptions.m4: New. Update from GCC.
	* ltconfig: Remove.
	* ltcf-c.sh: Remove.
	* ltcf-cxx.sh: Remove.
	* ltcf-gcj.sh: Remove.
	* src-release: Update with new libtool file list.
	* newlib/*/configure.in: invoke _LD_DECL_SED.
	* newlib/*/Makefile.am: Ensure toplevel is included in ACLOCAL_AMFLAGS.
	* Regenerate subdirectories

	including CRIS v32, CGEN-based.
	* configure.ac: Add corresponding configury.
	* configure: Regenerate.

        * aclocal.m4: new file for AM_EXEEXT macro
        * configure.in: call AM_EXEEXT
        * configure: regenerate with autoconf 2.12.1.
        * Makefile.in: add EXEEXT support