Makefile.in (mips-sgi-irix5): Remove -lathread from THREADSLIB.

Makefile.in (mips-sgi-irix5): Remove -lathread from THREADSLIB.

	* Makefile.in (mips-sgi-irix5): Remove -lathread from THREADSLIB.

	* 5fsystem.ads (Functions_Return_By_DSP): Set to False.
	(ZCX_By_Default): Likewise.
	(Front_End_ZCX_Support): Likewise.

	* 5gtaprop.adb (Stack_Guard): Mark T, On unreferenced.
	(Initialize_Lock): Mark Level unreferenced.
	(Sleep): Mark Reason unreferenced.
	(Timed_Sleep): Likewise.
	(Wakeup): Likewise.
	(Exit_Task): Use Result.
	(Check_No_Locks): Mark Self_ID unreferenced.

	* 5gtasinf.adb (New_Sproc): Make Attr constant.
	(Bound_Thread_Attributes): Make Sproc constant.
	(New_Bound_Thread_Attributes): Likewise.

From-SVN: r76669