config.gcc: Correct test of --enable-obsolete.

	* config.gcc: Correct test of --enable-obsolete.  Obsolete all
	A29k configurations.
	* doc/install.texi: Update to match.

From-SVN: r53009

gcc/ChangeLog

+2002-05-01  Zack Weinberg  <zack@codesourcery.com>
+
+	* config.gcc: Correct test of --enable-obsolete.  Obsolete all
+	A29k configurations.
+	* doc/install.texi: Update to match.
+
 2002-05-01  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
 
 	PR bootstrap/6514

gcc/config.gcc

@@ -263,8 +263,7 @@ case $machine in
 	| we32k-* \
 )
   case $machine in
-	  a29k-*-udi | a29k-*-coff \
-	| mips-sni-sysv4 \
+	  mips-sni-sysv4 \
 	| m88k-*-aout* | m88k-*-openbsd* | m88k-*-sysv4* \
 	| ns32k-*-netbsd* | ns32k-*-openbsd* \
 	| romp-*-openbsd* \
@@ -272,7 +271,7 @@ case $machine in
     # Whitelisted.
     ;;
   *)
-    if test "x$enable_obsolete" = x; then
+    if test "x$enable_obsolete" != xyes; then
       echo "*** Configuration $machine is obsolete." >&2
       echo "*** Specify --enable-obsolete to build it anyway." >&2
       echo "*** Support will be REMOVED in the next major release of GCC," >&2

gcc/doc/install.texi

@@ -1752,9 +1752,8 @@ AMD Am29k-family processors.  These are normally used in embedded
 applications.  This configuration corresponds to AMD's standard calling
 sequence and binary interface and is compatible with other 29k tools.
 
-AMD has abandoned this processor, and most variants are obsoleted in GCC
-3.1.  We are preserving the a29k-*-udi and a29k-*-coff configurations
-for one more release.
+AMD has abandoned this processor.  All existing a29k targets are obsoleted
+in GCC 3.1.
 
 You may need to make a variant of the file @file{a29k.h} for your
 particular configuration.