# vprintf-posix.m4 serial 4
dnl Copyright (C) 2007-2023 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_FUNC_VPRINTF_POSIX],
[
  AC_REQUIRE([gl_FUNC_VPRINTF_IS_POSIX])
  if test $gl_cv_func_vprintf_posix = no; then
    gl_PREREQ_VASNPRINTF_WITH_POSIX_EXTRAS
    gl_REPLACE_VASNPRINTF
    gl_REPLACE_VPRINTF
  fi
])

dnl Test whether vprintf is POSIX compliant.
dnl Result is gl_cv_func_vprintf_posix.
AC_DEFUN([gl_FUNC_VPRINTF_IS_POSIX],
[
  AC_REQUIRE([gl_FUNC_VFPRINTF_IS_POSIX])
  gl_cv_func_vprintf_posix="$gl_cv_func_vfprintf_posix"
])

AC_DEFUN([gl_REPLACE_VPRINTF],
[
  AC_REQUIRE([gl_STDIO_H_DEFAULTS])
  AC_LIBOBJ([vprintf])
  REPLACE_VPRINTF=1
  AC_DEFINE([REPLACE_VPRINTF_POSIX], [1],
    [Define if vprintf is overridden by a POSIX compliant gnulib implementation.])
  gl_PREREQ_VPRINTF
])

AC_DEFUN([gl_PREREQ_VPRINTF], [:])