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+# serial 46
+# See if we need to use our replacement for Solaris' openat et al functions.
+
+dnl Copyright (C) 2004-2022 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])
+ :
+])