* configure.in: Add support for --enable-java-awt configure option.
	Use --enable-java-awt=xlib to build the xlib peers (libgcjx).
        * Makefile.am: Make libgcjx conditional on XLIB_AWT, instead of NO_X.
	* Makefile.in: Rebuilt.
	* configure: Rebuilt.

From-SVN: r39970