2009-04-16  Thomas Quinot  <quinot@adacore.com>

	* snames.ads-tmpl (Name_Defined): New predefined name for use by the
	integrated preprocessor.

	* prep.ads, prep.adb (Setup_Hooks): New subprogram.
	(Initialize): Split into two subprograms, Initialize (to be called
	prior to compiler command line processing) and Setup_Hooks (to be called
	later on when the first source file is loaded).

	* gprep.adb: Change call to Prep.Initialize to call to Prep.Setup_Hooks.
	Add call to Prep.Initialize.

	* sinput-l.adb, prepcomp.adb: Change call to Prep.Initialize to call
	to Prep.Setup_Hooks.

2009-04-16  Pascal Obry  <obry@adacore.com>

	* adaint.h, adaint.c (__gnat_chdir): New routine.
	Simple wrapper routines used to convert to proper encoding on
	Windows.

	* s-crtl.ads: Use __gnat_chdir instead of direct call to the C library.

	* a-direct.adb, g-dirope.adb: Use chdir from System.CRTL.

From-SVN: r146174