Merge branch 'branch-1.13.2' into maint

[platform/upstream/automake.git] / t / ax / is_newest

diff --git a/t/ax/is_newest b/t/ax/is_newest
index f52a1a8..14d8b79 100755 (executable)
--- a/t/ax/is_newest
+++ b/t/ax/is_newest
@@ -1,5 +1,5 @@
 #! /bin/sh
-# Copyright (C) 2012 Free Software Foundation, Inc.
+# Copyright (C) 2012-2013 Free Software Foundation, Inc.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -16,8 +16,10 @@
 
 # Usage: is_newest FILE FILES
 # Fail if any file in FILES is newer than FILE, and print the list of
-# such files on the standard error.
-# Resolve ties in favor of FILE.
+# such files on the standard error.  Resolve ties in favor of FILE.
+
+# NOTE: keep this file Bourne-compatible, for the sake of systems with
+#       non-POSIX /bin/sh (like Solaris).
 
 set -u
 
@@ -29,7 +31,7 @@ if test $# -lt 2; then
 fi
 
 file=$1; shift
-newer_files=$(find "$@" -prune -newer "$file") || exit $?
+newer_files=`find "$@" -prune -newer "$file"` || exit $?
 
 if test -n "$newer_files"; then
   echo "$me: these files are newer than '$file':" >&2