view m4/getdelim.m4 @ 10366:d41011f37051

use unlocked I/O in getdelim 2008-08-27 Paolo Bonzini <bonzini@gnu.org> * lib/getdelim.c (flockfile, funlockfile): Make all of them dummy if one is not available. Do not touch them if USE_UNLOCKED_IO, instead letting unlocked-io.h do that. (getc_maybe_unlocked): New. * m4/getdelim.m4 (gl_PREREQ_GETDELIM): Check for getc_unlocked.
author Paolo Bonzini <bonzini@gnu.org>
date Wed, 27 Aug 2008 14:44:58 +0200
parents 740cd2f7aaa1
children a71cc51b7098
line wrap: on
line source

# getdelim.m4 serial 5

dnl Copyright (C) 2005, 2006, 2007 Free Software dnl Foundation, Inc.
dnl
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_PREREQ([2.59])

AC_DEFUN([gl_FUNC_GETDELIM],
[
  AC_REQUIRE([gl_STDIO_H_DEFAULTS])

  dnl Persuade glibc <stdio.h> to declare getdelim().
  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])

  AC_REPLACE_FUNCS([getdelim])
  AC_CHECK_DECLS_ONCE([getdelim])

  if test $ac_cv_func_getdelim = no; then
    gl_PREREQ_GETDELIM
  fi

  if test $ac_cv_have_decl_getdelim = no; then
    HAVE_DECL_GETDELIM=0
  fi
])

# Prerequisites of lib/getdelim.c.
AC_DEFUN([gl_PREREQ_GETDELIM],
[
  AC_CHECK_FUNCS([flockfile funlockfile])
  AC_CHECK_DECLS([getc_unlocked])
])