# Configure a replacement for <sys/file.h>.

# serial 6

# Copyright (C) 2008-2017 Free Software Foundation, Inc.

# This file is free software; the Free Software Foundation

# gives unlimited permission to copy and/or distribute it,

# with or without modifications, as long as this notice is preserved.

# Written by Richard W.M. Jones.

AC_DEFUN([gl_HEADER_SYS_FILE_H],

[

  AC_REQUIRE([gl_HEADER_SYS_FILE_H_DEFAULTS])

  dnl <sys/file.h> is always overridden, because of GNULIB_POSIXCHECK.

  gl_CHECK_NEXT_HEADERS([sys/file.h])

  if test $ac_cv_header_sys_file_h = yes; then

    HAVE_SYS_FILE_H=1

  else

    HAVE_SYS_FILE_H=0

  fi

  AC_SUBST([HAVE_SYS_FILE_H])

  dnl Check for declarations of anything we want to poison if the

  dnl corresponding gnulib module is not in use.

  gl_WARN_ON_USE_PREPARE([[#include <sys/file.h>

    ]], [flock])

])

AC_DEFUN([gl_HEADER_SYS_FILE_MODULE_INDICATOR],

[

  AC_REQUIRE([gl_HEADER_SYS_FILE_H_DEFAULTS])

  gl_MODULE_INDICATOR_SET_VARIABLE([$1])

])

AC_DEFUN([gl_HEADER_SYS_FILE_H_DEFAULTS],

[

  GNULIB_FLOCK=0;        AC_SUBST([GNULIB_FLOCK])

  HAVE_FLOCK=1;          AC_SUBST([HAVE_FLOCK])

])