re PR bootstrap/33781 ("Arg list too long" building libgcc.a)

	PR bootstrap/33781
	* configure.ac (--enable-fixed-point): Disable unless explicitly
	requested on IRIX.
	* configure: Regenerate.

From-SVN: r132047

gcc/ChangeLog

+2008-02-01  Roger Sayle  <roger@eyesopen.com>
+
+	PR bootstrap/33781
+	* configure.ac (--enable-fixed-point): Disable unless explicitly
+	requested on IRIX.
+	* configure: Regenerate.
+
 2008-02-01  Richard Guenther  <rguenther@suse.de>
 
 	PR other/35042

gcc/configure

@@ -7056,7 +7056,16 @@ else
 
   case $target in
     mips*-*-*)
-      enable_fixed_point=yes
+      case $host in
+        mips*-sgi-irix*)
+	  { echo "$as_me:$LINENO: WARNING: fixed-point support is not available for IRIX" >&5
+echo "$as_me: WARNING: fixed-point support is not available for IRIX" >&2;}
+	  enable_fixed_point=no
+	  ;;
+	*)
+	  enable_fixed_point=yes
+	  ;;
+      esac
       ;;
     *)
       { echo "$as_me:$LINENO: WARNING: fixed-point is not supported for this target" >&5

gcc/configure.ac

 # configure.ac for GCC
 # Process this file with autoconf to generate a configuration script.
 
-# Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
-# Free Software Foundation, Inc.
+# Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
+# 2007, 2008 Free Software Foundation, Inc.
 
 #This file is part of GCC.
 
@@ -649,7 +649,15 @@ AC_ARG_ENABLE(fixed-point,
 [
   case $target in
     mips*-*-*)
-      enable_fixed_point=yes
+      case $host in
+	mips*-sgi-irix*)
+	  AC_MSG_WARN(fixed-point is not supported on IRIX, ignored)
+	  enable_fixed_point=no
+	  ;;
+	*)
+	  enable_fixed_point=yes
+	  ;;
+      esac
       ;;
     *)
       AC_MSG_WARN(fixed-point is not supported for this target, ignored)