Makefile.in (info, [...]): Also build and remove and install and uninstall c-tree...

Makefile.in (info, [...]): Also build and remove and install and uninstall c-tree.info and cppinternals.info.

	* Makefile.in (info, maintainer-clean, install-info, uninstall):
	Also build and remove and install and uninstall c-tree.info and
	cppinternals.info.
	($(srcdir)/gcc.info): Add dependency on contrib.texi.
	($(srcdir)/cppinternals.info): New target.
	* c-tree.texi: Change file name used when makeinfo used without -o
	from ir.info to c-tree.info.  Add info directory entry.
	* cppinternals.texi: Add info directory entry.
	* .cvsignore: Update.

cp:
	* Make-lang.in (c++.info, c++.install-info): Build and install g++
	internals info.
	(c++.uninstall, c++.maintainer-clean): Remove g++ internals info.
	($(srcdir)/cp/g++int.info): New target.
	* gxxint.texi: Add info directory entry.  Use @@ in email address.
	* .cvsignore: Update.

From-SVN: r38970