| # serial 46 |
| # See if we need to use our replacement for Solaris' openat et al functions. |
| |
| dnl Copyright (C) 2004-2021 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. |
| |
| # Written by Jim Meyering. |
| |
| AC_DEFUN([gl_FUNC_OPENAT], |
| [ |
| AC_REQUIRE([gl_FCNTL_H_DEFAULTS]) |
| AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) |
| AC_CHECK_FUNCS_ONCE([openat]) |
| AC_REQUIRE([gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK]) |
| AC_REQUIRE([gl_PREPROC_O_CLOEXEC]) |
| case $ac_cv_func_openat+$gl_cv_func_lstat_dereferences_slashed_symlink+$gl_cv_macro_O_CLOEXEC in |
| yes+*yes+yes) |
| ;; |
| yes+*) |
| # Solaris 10 lacks O_CLOEXEC. |
| # Solaris 9 has *at functions, but uniformly mishandles trailing |
| # slash in all of them. |
| REPLACE_OPENAT=1 |
| ;; |
| *) |
| HAVE_OPENAT=0 |
| ;; |
| esac |
| ]) |
| |
| # Prerequisites of lib/openat.c. |
| AC_DEFUN([gl_PREREQ_OPENAT], |
| [ |
| AC_REQUIRE([gl_PROMOTED_TYPE_MODE_T]) |
| : |
| ]) |
