1 dnl Copyright (C) 2016 Free Software Foundation, Inc.
2 dnl This file is free software; the Free Software Foundation
3 dnl gives unlimited permission to copy and/or distribute it,
4 dnl with or without modifications, as long as this notice is preserved.
5 AC_DEFUN([AC_PACKAGE_WANT_LINUX_FIEMAP_H],
6 [ AC_CHECK_HEADERS([linux/fiemap.h], [ have_fiemap=true ], [ have_fiemap=false ])
10 AC_DEFUN([AC_PACKAGE_WANT_LINUX_PRCTL_H],
11 [ AC_CHECK_HEADERS([sys/prctl.h], [ have_prctl=true ], [ have_prctl=false ])
15 AC_DEFUN([AC_PACKAGE_WANT_LINUX_FS_H],
16 [ AC_CHECK_HEADER([linux/fs.h])
19 AC_DEFUN([AC_PACKAGE_WANT_FALLOCATE],
20 [ AC_MSG_CHECKING([for fallocate])
21 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
23 #define _FILE_OFFSET_BITS 64
25 #include <linux/falloc.h> ]], [[ fallocate(0, 0, 0, 0); ]])],[ have_fallocate=true; AC_MSG_RESULT(yes) ],[ have_fallocate=false; AC_MSG_RESULT(no) ])
26 AC_SUBST(have_fallocate)
29 AC_DEFUN([AC_PACKAGE_WANT_OPEN_BY_HANDLE_AT],
30 [ AC_MSG_CHECKING([for open_by_handle_at])
31 AC_LINK_IFELSE([AC_LANG_PROGRAM([[
35 struct file_handle fh;
36 open_by_handle_at(0, &fh, 0);
37 ]])],[ have_open_by_handle_at=true; AC_MSG_RESULT(yes) ],[ have_open_by_handle_at=false; AC_MSG_RESULT(no) ])
38 AC_SUBST(have_open_by_handle_at)