2009-07-28  Emmanuel Briot  <briot@adacore.com>

	* prj.adb, prj.ads (Compute_All_Imported_Projects): Make sure the
	importing project does not end up in the list, in the case of extending
	projects.
	* make.adb, makeutl.adb, makeutl.ads (File_Not_A_Source_Of): Moved to
	makeutl.ads, for better sharing with gprbuild.

2009-07-28  Arnaud Charlet  <charlet@adacore.com>

	* gnat_ugn.texi: Fix typo.

2009-07-28  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch3.adb (Build_Derived_Concurrent_Type): Handle properly a
	derivation that renames some discriminants and constrain others.
	* exp_ch9.adb (Build_Protected_Subprogram_Call): If the type of the
	prefix is a derived untagged type, convert to the root type to conform
	to the signature of the protected operations.

2009-07-28  Robert Dewar  <dewar@adacore.com>

	* sinfo.ads: Update comments.
	* exp_attr.adb: Minor reformatting

From-SVN: r150152