git-version-gen: use "git update-index..." rather than "git status"

[gnulib.git] / m4 / environ.m4

diff --git a/m4/environ.m4 b/m4/environ.m4
index b17bb60..5f50d6e 100644 (file)
--- a/m4/environ.m4
+++ b/m4/environ.m4
@@ -1,10 +1,10 @@
-# environ.m4 serial 2
-dnl Copyright (C) 2001-2004, 2006-2009 Free Software Foundation, Inc.
+# environ.m4 serial 3
+dnl Copyright (C) 2001-2004, 2006-2010 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
 
-AC_DEFUN([gl_ENVIRON],
+AC_DEFUN_ONCE([gl_ENVIRON],
 [
   AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
   dnl Persuade glibc <unistd.h> to declare environ.