diff -urN libtool-1.5.8-orig/config.sub libtool-1.5.8/config.sub
--- libtool-1.5.8-orig/config.sub	2004-08-07 16:14:19 +0400
+++ libtool-1.5.8/config.sub	2004-09-30 10:26:50 +0400
@@ -787,7 +787,7 @@
 	pentium | p5 | k5 | k6 | nexgen | viac3)
 		basic_machine=i586-pc
 		;;
-	pentiumpro | p6 | 6x86 | athlon | athlon_*)
+	pentiumpro | p6 | 6x86 | athlon | athlonxp | athlon_*)
 		basic_machine=i686-pc
 		;;
 	pentiumii | pentium2 | pentiumiii | pentium3)
@@ -799,7 +799,7 @@
 	pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*)
 		basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
 		;;
-	pentiumpro-* | p6-* | 6x86-* | athlon-*)
+	pentiumpro-* | p6-* | 6x86-* | athlon-* | athlonxp-*)
 		basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
 		;;
 	pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*)
diff -urN libtool-1.5.8-orig/libltdl/config.sub libtool-1.5.8/libltdl/config.sub
--- libtool-1.5.8-orig/libltdl/config.sub	2004-08-07 16:14:19 +0400
+++ libtool-1.5.8/libltdl/config.sub	2004-09-30 10:26:31 +0400
@@ -787,7 +787,7 @@
 	pentium | p5 | k5 | k6 | nexgen | viac3)
 		basic_machine=i586-pc
 		;;
-	pentiumpro | p6 | 6x86 | athlon | athlon_*)
+	pentiumpro | p6 | 6x86 | athlon | athlonxp | athlon_*)
 		basic_machine=i686-pc
 		;;
 	pentiumii | pentium2 | pentiumiii | pentium3)
@@ -799,7 +799,7 @@
 	pentium-* | p5-* | k5-* | k6-* | nexgen-* | viac3-*)
 		basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'`
 		;;
-	pentiumpro-* | p6-* | 6x86-* | athlon-*)
+	pentiumpro-* | p6-* | 6x86-* | athlon-* | athlonxp-*)
 		basic_machine=i686-`echo $basic_machine | sed 's/^[^-]*-//'`
 		;;
 	pentiumii-* | pentium2-* | pentiumiii-* | pentium3-*)