| # openat2.m4 | |
| # serial 1 | |
| dnl Copyright 2025-2026 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. | |
| dnl This file is offered as-is, without any warranty. | |
| # Written by Paul Eggert. | |
| AC_DEFUN([gl_FUNC_OPENAT2], | |
| [ | |
| AC_REQUIRE([gl_FCNTL_H_DEFAULTS]) | |
| AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) | |
| AC_REQUIRE([gl_FCNTL_O_FLAGS]) | |
| AC_CHECK_FUNCS_ONCE([openat2]) | |
| AS_CASE([$ac_cv_func_openat2], | |
| [yes], [HAVE_OPENAT2=1]) | |
| ]) | |
| # Prerequisites of lib/openat2.c. | |
| AC_DEFUN([gl_PREREQ_OPENAT2], | |
| [ | |
| AC_CHECK_FUNCS_ONCE([fstatfs]) | |
| AC_CHECK_HEADERS_ONCE([sys/vfs.h]) | |
| AS_CASE([$ac_cv_func_fstatfs,$ac_cv_header_sys_vfs_h], | |
| [yes,yes], | |
| [AC_CHECK_MEMBERS([struct statfs.f_type], [], [], | |
| [[$ac_includes_default | |
| #include <sys/vfs.h> | |
| ]])]) | |
| ]) |