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-rw-r--r--gl/m4/vsnprintf.m413
1 files changed, 11 insertions, 2 deletions
diff --git a/gl/m4/vsnprintf.m4 b/gl/m4/vsnprintf.m4
index e4725e453f..d6ce1e6a10 100644
--- a/gl/m4/vsnprintf.m4
+++ b/gl/m4/vsnprintf.m4
@@ -1,9 +1,13 @@
-# vsnprintf.m4 serial 5
+# vsnprintf.m4 serial 6
dnl Copyright (C) 2002-2004, 2007-2011 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.
+dnl Libintl 0.17 will replace vsnprintf only if it does not support %1$s,
+dnl but defers to any gnulib vsnprintf replacements. Therefore, gnulib
+dnl must guarantee that the decision for replacing vsnprintf is a superset
+dnl of the reasons checked by libintl.
AC_DEFUN([gl_FUNC_VSNPRINTF],
[
AC_REQUIRE([gl_STDIO_H_DEFAULTS])
@@ -16,7 +20,12 @@ AC_DEFUN([gl_FUNC_VSNPRINTF],
gl_SNPRINTF_RETVAL_C99
case "$gl_cv_func_snprintf_retval_c99" in
*yes)
- gl_cv_func_vsnprintf_usable=yes
+ gl_PRINTF_POSITIONS
+ case "$gl_cv_func_printf_positions" in
+ *yes)
+ gl_cv_func_vsnprintf_usable=yes
+ ;;
+ esac
;;
esac
;;