committed: Ada updates

[Arnaud Charlet <charlet at ACT-Europe dot FR>]

Tested on x86-linux using the pre ssa merge tag.
--
2004-06-14  Pascal Obry  <obry@gnat.com>

	* gnat_ugn.texi: Document relocatable vs. dynamic Library_Kind on
	Windows.  Fix minor typo.

	* mlib-tgt-mingw.adb: New implementation using the GCC -shared option
	which is now supported on Windows. With this implementation using the
	Library Project feature is no different on Windows than on UNIX.

2004-06-14  Vincent Celier  <celier@gnat.com>

	* makegpr.adb (Compile_Sources): Nothing to do when there are no
	non-Ada sources.

	* mlib-tgt-vxworks.adb (Library_Exists_For): Remove incorrect comment

	* prj-part.adb (Parse_Single_Project): When a duplicate project name is
	found, show the project name and the path of the previously parsed
	project file.

2004-06-14  Ed Schonberg  <schonberg@gnat.com>

	* exp_ch6.adb (Add_Call_By_Copy_Code): For an out-parameter that is an
	array, avoid copying the actual before the call.

2004-06-14  Thomas Quinot  <quinot@act-europe.fr>

	* g-debpoo.adb: Remove alignment assumptions from GNAT.Debug_Pools.
	Instead, allocate memory on worst-case alignment assumptions, and then
	return an aligned address within the allocated zone.

2004-06-14  Robert Dewar  <dewar@gnat.com>

	* bindgen.adb (Gen_Adainit_Ada): Do not generate external references to
	elab entities in predefined units in No_Run_Time_Mode.
	(Gen_Adainit_C): Same fix
	(Gen_Elab_Calls_Ada): Do not generate calls to elaborate predefined
	units in No_Run_Time_Mode
	(Gen_Elab_Calls_C): Same fix

	* symbols-vms-alpha.adb: Minor reformatting

	* g-debpoo.ads: Minor reformatting

	* lib.adb (In_Same_Extended_Unit): Version working on node id's

	* lib.ads (In_Same_Extended_Unit): Version working on node id's

	* lib-xref.adb: Minor cleanup, use new version of In_Same_Extended_Unit
	working on nodes.

	* make.adb: Minor reformatting

	* par-ch12.adb: Minor reformatting

	* par-prag.adb: Add dummy entry for pragma Profile_Warnings

	* prj-strt.adb: Minor reformatting

	* restrict.ads, restrict.adb: Redo handling of profile restrictions to
	be more general.

	* sem_attr.adb: Minor reformatting

	* sem_ch7.adb: Minor reformatting

	* sem_elab.adb (Check_A_Call): Deal with problem of calling init proc
	for type in the same unit as the object declaration.

	* sem_prag.adb (Check_Arg_Is_External_Name): New procedure, allows
	static string expressions and not just string literals.
	Minor reformatting
	(Set_Warning): Reset restriction warning flag for restriction pragma
	Implement pragma Profile_Warnings
	Implement pragma Profile (Restricted)
	Give obolescent messages for old restrictions and pragmas

	* snames.h, snames.ads, snames.adb: Add new entry for pragma
	Profile_Warnings.

	* s-rident.ads: Add declarations for restrictions required by profile
	Restricted and profile Ravenscar.

	* targparm.ads, targparm.adb: Allow pragma Profile in system.ads

	* gnat_ugn.texi: Correct some missing entries in the list of GNAT
	configuration pragmas.

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