RFC: Use -Wa,-xgot for Linux/mips (Re: MIPS GOT overflow in gcc 3.2.)

["H. J. Lu" <hjl@lucon.org>]

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On Mon, Jul 01, 2002 at 08:09:59PM -0700, Eric Christopher wrote:
> 
> > AFAIK it happens to mozilla as well.
> > 
> > Guh.
> 
> There are a few different possible solutions, one is to do the
> -fPIC/-fpic split, another is to copy to SGI multigot, I'm sure there
> are other solutions as well...
> 

I am enclosing a kludge here. With that, I got

http://gcc.gnu.org/ml/gcc-testresults/2002-07/msg00062.html

Any comments?


H.J.

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2002-07-02  H.J. Lu <hjl@gnu.org>

	* ltcf-c.sh (ac_cv_prog_cc_pic): Add "-Wa,-xgot" for
	Linux/mips.
	* ltcf-cxx.sh (ac_cv_prog_cc_pic): Likewise.
	* ltcf-gcj.sh (ac_cv_prog_cc_pic): Likewise.

--- gcc/ltcf-c.sh.xgot	Mon Sep 10 08:39:17 2001
+++ gcc/ltcf-c.sh	Tue Jul  2 00:06:54 2002
@@ -672,6 +672,14 @@ else
 	 ac_cv_prog_cc_pic=-Kconform_pic
       fi
       ;;
+    linux*) 
+      ac_cv_prog_cc_pic='-fPIC'
+      case "$host_cpu" in
+      mips*)  
+	ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -Wa,-xgot"
+	;;      
+      esac
+      ;;      
     *)
       ac_cv_prog_cc_pic='-fPIC'
       ;;
--- gcc/ltcf-cxx.sh.xgot	Mon Sep 10 08:39:17 2001
+++ gcc/ltcf-cxx.sh	Tue Jul  2 13:40:41 2002
@@ -707,6 +707,14 @@ if test "$with_gcc" = yes; then
       ac_cv_prog_cc_pic=-Kconform_pic
     fi
     ;;
+  linux*) 
+    ac_cv_prog_cc_pic='-fPIC'
+    case "$host_cpu" in
+    mips*)  
+      ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -Wa,-xgot"
+      ;;      
+    esac
+    ;;      
   *)
     ac_cv_prog_cc_pic='-fPIC'
     ;;
--- gcc/ltcf-gcj.sh.xgot	Mon Sep 10 08:39:17 2001
+++ gcc/ltcf-gcj.sh	Mon Jul  1 23:49:06 2002
@@ -639,6 +639,14 @@ fi
 	 ac_cv_prog_cc_pic=-Kconform_pic
       fi
       ;;
+    linux*) 
+      ac_cv_prog_cc_pic='-fPIC'
+      case "$host_cpu" in
+      mips*)  
+	ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -Wa,-xgot"
+	;;      
+      esac
+      ;;      
     *)
       ac_cv_prog_cc_pic='-fPIC'
       ;;