GitLab

            Matthias Klose  <doko@ubuntu.com>
	    Jonathan Wakely  <redi@gcc.gnu.org>

	PR libstdc++/47145
	* acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Define.
	* configure.ac: Use it.
	* doc/Makefile.am (XSL_STYLE_DIR): Set at configure time.
	* configure: Regenerate.
	* doc/Makefile.in: Regenerate.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@170763 138bc75d-0d04-0410-961f-82ee72b054a4