makegpr.adb (Check_Compilation_Needed): Take into account path names with spaces.

2006-10-31  Vincent Celier  <celier@adacore.com>

	* makegpr.adb (Check_Compilation_Needed): Take into account path names
	with spaces.
	(Check_Compilation_Needed): When checking a C or C++ source, do not
	resolve symbolic links.
	(Display_Command): New Boolean parameter Ellipse, defaulted to False.
	When not in verbose mode and Ellipse is True, display "..." for the
	first argument with Display set to False.
	(Build_Global_Archive): Always set Display True for the first object
	file. Call Display_Command with Ellipse set to True.

From-SVN: r118323