changeset 13404:2a548c2eb40e

printf.m4: avoid autoconf's "Expanded Before Required" warning * m4/printf.m4 (gl_SNPRINTF_RETVAL_C99): Define using AC_DEFUN_ONCE, rather than AC_DEFUN, to avoid the classic "Expanded Before Required" autoconf warning.
author Jim Meyering <meyering@redhat.com>
date Thu, 10 Jun 2010 15:21:09 +0200
parents 9eb492424e89
children e7645f87b96f
files ChangeLog m4/printf.m4
diffstat 2 files changed, 9 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2010-06-11  Jim Meyering  <meyering@redhat.com>
+
+	printf.m4: avoid autoconf's "Expanded Before Required" warning
+	* m4/printf.m4 (gl_SNPRINTF_RETVAL_C99): Define using AC_DEFUN_ONCE,
+	rather than AC_DEFUN, to avoid the classic "Expanded Before Required"
+	autoconf warning.
+
 2010-06-10  Ben Pfaff  <blp@cs.stanford.edu>
 
 	Replacement header templates are now named with ".in", not "_".
--- a/m4/printf.m4
+++ b/m4/printf.m4
@@ -1,4 +1,4 @@
-# printf.m4 serial 33
+# printf.m4 serial 34
 dnl Copyright (C) 2003, 2007-2010 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -1101,7 +1101,7 @@
 dnl     ---------------------------------------------------------------------
 dnl Result is gl_cv_func_snprintf_retval_c99.
 
-AC_DEFUN([gl_SNPRINTF_RETVAL_C99],
+AC_DEFUN_ONCE([gl_SNPRINTF_RETVAL_C99],
 [
   AC_REQUIRE([AC_PROG_CC])
   AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles