tests: expose automake bug#14560

[platform/upstream/automake.git] / m4 / ar-lib.m4

diff --git a/m4/ar-lib.m4 b/m4/ar-lib.m4
index 822ca60..f895f6b 100644 (file)
--- a/m4/ar-lib.m4
+++ b/m4/ar-lib.m4
@@ -1,12 +1,10 @@
 ##                                                          -*- Autoconf -*-
-# Copyright (C) 2011 Free Software Foundation, Inc.
+# Copyright (C) 2011-2013 Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
 
-# serial 1
-
 # AM_PROG_AR([ACT-IF-FAIL])
 # -------------------------
 # Try to determine the archiver interface, and trigger the ar-lib wrapper
@@ -33,8 +31,7 @@ AC_CACHE_CHECK([the archiver ($AR) interface], [am_cv_ar_interface],
         if test "$ac_status" -eq 0; then
           am_cv_ar_interface=lib
         else
-          m4_default([$1],
-            [AC_MSG_ERROR([could not determine $AR interface])])
+          am_cv_ar_interface=unknown
         fi
       fi
       rm -f conftest.lib libconftest.a
@@ -53,6 +50,10 @@ lib)
   # similar.
   AR="$am_aux_dir/ar-lib $AR"
   ;;
+unknown)
+  m4_default([$1],
+             [AC_MSG_ERROR([could not determine $AR interface])])
+  ;;
 esac
 AC_SUBST([AR])dnl
 ])