AC_DEFUN([AC_PACKAGE_WANT_FALLOCATE],
[ AC_MSG_CHECKING([for fallocate])
- AC_TRY_LINK([
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#define _GNU_SOURCE
#define _FILE_OFFSET_BITS 64
#include <fcntl.h>
-#include <linux/falloc.h> ],
- [ fallocate(0, 0, 0, 0); ],
- [ have_fallocate=true; AC_MSG_RESULT(yes) ],
- [ have_fallocate=false; AC_MSG_RESULT(no) ])
+#include <linux/falloc.h> ]], [[ fallocate(0, 0, 0, 0); ]])],[ have_fallocate=true; AC_MSG_RESULT(yes) ],[ have_fallocate=false; AC_MSG_RESULT(no) ])
AC_SUBST(have_fallocate)
])
AC_DEFUN([AC_PACKAGE_WANT_OPEN_BY_HANDLE_AT],
[ AC_MSG_CHECKING([for open_by_handle_at])
- AC_TRY_LINK([
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#define _GNU_SOURCE
#include <fcntl.h>
- ],
- [
+ ]], [[
struct file_handle fh;
open_by_handle_at(0, &fh, 0);
- ],
- [ have_open_by_handle_at=true; AC_MSG_RESULT(yes) ],
- [ have_open_by_handle_at=false; AC_MSG_RESULT(no) ])
+ ]])],[ have_open_by_handle_at=true; AC_MSG_RESULT(yes) ],[ have_open_by_handle_at=false; AC_MSG_RESULT(no) ])
AC_SUBST(have_open_by_handle_at)
])