2011-11-26	Magnus Granberg	<zorry@gentoo.org>

	pr48524
	* gcc/gcc.c	Support switches with separated form like -D/-U

--- a/gcc/gcc.c	2011-11-26 17:56:36.130306763 +0100
+++ b/gcc/gcc.c	2011-11-26 17:55:22.854304581 +0100
@@ -5470,6 +5470,19 @@
 	&& check_live_switch (i, plen))
       return true;
 
+    else if (switches[i].args != 0)
+      {
+	if ((*switches[i].part1 == 'D' || *switches[i].part1 == 'U')
+	    && *switches[i].part1 == atom[0])
+	  {
+	    if (!strncmp (switches[i].args[0], &atom[1], len -1)
+		 && (starred || (switches[i].part1[1]== '\0'
+		 && switches[i].args[0][len -1] == '\0'))
+		 && check_live_switch (i, (starred ? 1 : -1)))
+	      return true;
+	  }
+      }
+
   return false;
 }