Remove CPU detect for IRIX targets. Performance gain is less than 1%,

it makes more sense to strive for broader binary compatibility...

config

@@ -491,13 +491,13 @@ case "$GUESSOS" in
 	OUT="irix-$CC"
 	;;
   mips3-sgi-irix)
-	CPU=`(hinv -t cpu) 2>/dev/null | head -1 | sed 's/^CPU:[^R]*R\([0-9]*\).*/\1/'`
-	CPU=${CPU:-0}
-	if [ $CPU -ge 5000 ]; then
-		options="$options -mips4"
-	else
-		options="$options -mips3"
-	fi
+	#CPU=`(hinv -t cpu) 2>/dev/null | head -1 | sed 's/^CPU:[^R]*R\([0-9]*\).*/\1/'`
+	#CPU=${CPU:-0}
+	#if [ $CPU -ge 5000 ]; then
+	#	options="$options -mips4"
+	#else
+	#	options="$options -mips3"
+	#fi
 	OUT="irix-mips3-$CC"
 	;;
   mips4-sgi-irix64)
@@ -507,13 +507,13 @@ case "$GUESSOS" in
 	  echo "         You have about 5 seconds to press Ctrl-C to abort."
 	  (stty -icanon min 0 time 50; read waste) < /dev/tty
 	fi
-        CPU=`(hinv -t cpu) 2>/dev/null | head -1 | sed 's/^CPU:[^R]*R\([0-9]*\).*/\1/'`
-        CPU=${CPU:-0}
-        if [ $CPU -ge 5000 ]; then
-                options="$options -mips4"
-        else
-                options="$options -mips3"
-        fi
+        #CPU=`(hinv -t cpu) 2>/dev/null | head -1 | sed 's/^CPU:[^R]*R\([0-9]*\).*/\1/'`
+        #CPU=${CPU:-0}
+        #if [ $CPU -ge 5000 ]; then
+        #        options="$options -mips4"
+        #else
+        #        options="$options -mips3"
+        #fi
 	OUT="irix-mips3-$CC"
 	;;
   alpha-*-linux2)