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view m4/unlockpt.m4 @ 40215:88b18d82fa61

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crypto/des: Fix undefined behaviour. * lib/des.c (READ_64BIT_DATA): Cast bytes to 'unsigned int', to avoid shift operations on 'int'.
author Bruno Haible <bruno@clisp.org>
date Sat, 09 Mar 2019 22:21:25 +0100
parents b06060465f09
children
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# unlockpt.m4 serial 2
dnl Copyright (C) 2010-2019 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_UNLOCKPT],
[
  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])

  dnl Persuade glibc <stdlib.h> to declare unlockpt().
  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])

  AC_CHECK_FUNCS([unlockpt])
  if test $ac_cv_func_unlockpt = no; then
    HAVE_UNLOCKPT=0
  fi
])

# Prerequisites of lib/unlockpt.c.
AC_DEFUN([gl_PREREQ_UNLOCKPT], [
  AC_CHECK_FUNCS([revoke])
])