3 dnl Copyright (C) 2008-2024 Free Software Foundation, Inc.
4 dnl This file is free software; the Free Software Foundation
5 dnl gives unlimited permission to copy and/or distribute it,
6 dnl with or without modifications, as long as this notice is preserved.
8 AC_DEFUN([gl_FUNC_FSYNC],
10 AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
11 AC_CHECK_FUNCS_ONCE([fsync])
12 if test $ac_cv_func_fsync = no; then
17 # Prerequisites of lib/fsync.c.
18 AC_DEFUN([gl_PREREQ_FSYNC], [:])