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-rw-r--r--gl/m4/printf.m44
1 files changed, 2 insertions, 2 deletions
diff --git a/gl/m4/printf.m4 b/gl/m4/printf.m4
index ebca5364..b31efe3e 100644
--- a/gl/m4/printf.m4
+++ b/gl/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 ---------------------------------------------------------------------
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