2007-08-14  Paul Hilfinger  <hilfinger@adacore.com>

	* impunit.adb: Re-organize System.Random_Numbers and
	GNAT.Random_Numbers and add to builds.

	* Makefile.rtl: Add s-rannum.ad* and g-rannum.ad*, a-assert*

	* s-rannum.ads, s-rannum.adb, g-rannum.ads, g-rannum.adb: New files.

	* a-assert.ads, a-assert.adb: New files.

From-SVN: r127454