--- a/configure	2017-09-12 12:42:21.626542578 +0200
+++ b/configure	2017-09-12 12:42:24.046589256 +0200
@@ -6864,12 +6852,11 @@
 	    fi
 	fi
 	;;
-  powerpc*)
+  powerpc)
 	cat >>confdefs.h <<_ACEOF
 #define HAVE_ALTIVEC
 _ACEOF
 
-	CPU_SPINWAIT='__asm__ volatile("or 31,31,31")'
 	;;
   *)
 	;;