diff --git a/aclocal.m4 b/aclocal.m4
index ddddd296b5..48cf3807ce 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1,6 +1,6 @@
-# generated automatically by aclocal 1.16.1 -*- Autoconf -*-
+# generated automatically by aclocal 1.16.2 -*- Autoconf -*-
 
-# Copyright (C) 1996-2018 Free Software Foundation, Inc.
+# Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
diff --git a/configure b/configure
index 6d05371072..9c8ef4f508 100755
--- a/configure
+++ b/configure
@@ -21847,7 +21847,7 @@ _ACEOF
 	alpha*-*)
 		arch=alpha
 	;;
-	powerpc-*|powerpc64-*)
+	powerpc-*|powerpc64*-*|powerpc64el-*)
 		arch=powerpc
 	;;
 	mips-*|mipsel-*|mips64-*|mips64el-*)
diff --git a/configure.ac b/configure.ac
index eda8770712..1905d88f79 100644
--- a/configure.ac
+++ b/configure.ac
@@ -4123,7 +4123,7 @@ if test "yes" = "$use_atomic"; then
 	alpha*-*)
 		arch=alpha
 	;;
-	powerpc-*|powerpc64-*)
+	powerpc-*|powerpc64*-*|powerpc64el-*)
 		arch=powerpc
 	;;
 	mips-*|mipsel-*|mips64-*|mips64el-*)