2013-04-12 Doug Rupp <rupp@adacore.com>

2013-04-12  Doug Rupp  <rupp@adacore.com>

	* init.c (SS$_CONTROLC, SS$_CONTINUE) [VMS]: New macros.
	(__gnat_handle_vms_condition) [VMS]: Dispatch on the Crtl/C user
	handler if installed.
	* ctrl_c.c (__gnat_install_int_handler)
	[VMS]: Install a dummy sigaction handler to trigger the real
	user handler dispatch in init.c/__gnat_handle_vms_condition.
	(__gnat_uninstall_int_handler) [VMS]: Likewise.

2013-04-12  Vincent Celier  <celier@adacore.com>

	* clean.adb (Parse_Cmd_Line): Set Directories_Must_Exist_In_Projects
	to False if switch is specified.
	* makeutl.adb (Initialize_Source_Record): Do not look for the
	object file if there is no object directory.
	* opt.ads (Directories_Must_Exist_In_Projects): New Boolean
	variable, defaulted to True.
	* prj-nmsc.adb (Check_Library_Attributes): Do not fail if library
	directory does not exist when Directories_Must_Exist_In_Projects is
	False.
	(Get_Directories): Do not fail when the object or the exec directory
	do not exist when Directories_Must_Exist_In_Projects is False.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@197918 138bc75d-0d04-0410-961f-82ee72b054a4