* Makefile.am:  Add comment.
	* acinclude.m4 (GLIBCXX_CONFIGURE):  Set new glibcxx_SUBDIRS and
	SUBDIRS variables.
	* configure.ac:  Use them both here, instead of hardcoded lists.

	* fragment.am:  Add STAMP varaible.
	* include/Makefile.am:  Cosmetic whitespace cleanup.  Use $(LN_S)
	instead of @LN_S@.
	(stamp-*):  Move file creation rule outside of 'if' branches to
	ensure the stamp-* files are actually updated.  Use $(STAMP).
	* src/Makefile.am:  Remove now-nonexistant variable.
	* libsupc++/Makefile.am:  Likewise.  Snap the assignment chain
	for -prefer-pic.
	* po/Makefile.am:  Include same fragment as all the others.

	* aclocal.m4, configure, Makefile.in, include/Makefile.in,
	libsupc++/Makefile.in, po/Makefile.in, src/Makefile.in:  Regenerated.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@70836 138bc75d-0d04-0410-961f-82ee72b054a4