common.opt (fPIC, [...]): Create a Negative loop such that any of these options…

common.opt (fPIC, [...]): Create a Negative loop such that any of these options disables the others.

	* common.opt (fPIC, fPIE, fpic, fpie): Create a Negative loop such
	that any of these options disables the others.

From-SVN: r193489

gcc/ChangeLog

+2012-11-13  Ian Lance Taylor  <iant@google.com>
+
+	* common.opt (fPIC, fPIE, fpic, fpie): Create a Negative loop such
+	that any of these options disables the others.
+
 2012-11-13  Sriraman Tallam  <tmsriram@google.com>
 
 	* cgraph.c (insert_new_cgraph_node_version): Use cgraph_get_node

gcc/common.opt

@@ -1583,19 +1583,19 @@ Common Report Var(flag_peephole2) Optimization
 Enable an RTL peephole pass before sched2
 
 fPIC
-Common Report Var(flag_pic,2)
+Common Report Var(flag_pic,2) Negative(fPIE)
 Generate position-independent code if possible (large mode)
 
 fPIE
-Common Report Var(flag_pie,2)
+Common Report Var(flag_pie,2) Negative(fpic)
 Generate position-independent code for executables if possible (large mode)
 
 fpic
-Common Report Var(flag_pic,1)
+Common Report Var(flag_pic,1) Negative(fpie)
 Generate position-independent code if possible (small mode)
 
 fpie
-Common Report Var(flag_pie,1)
+Common Report Var(flag_pie,1) Negative(fPIC)
 Generate position-independent code for executables if possible (small mode)
 
 fplugin=