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[exim.git] / src / OS / os.h-GNU

diff --git a/src/OS/os.h-GNU b/src/OS/os.h-GNU
index 59130ef1054c85e99b16a8d1e52f2969bd8862e7..a8bf1c87cf75ec852392d023c54fc019abd0fe69 100644 (file)
--- a/src/OS/os.h-GNU
+++ b/src/OS/os.h-GNU
@@ -1,5 +1,8 @@
 /* Exim: OS-specific C header file for GNU/Hurd */
-/* Copyright (c) The Exim Maintainers 2020 */
+/* Copyright (c) The Exim Maintainers 2020 - 2021 */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include <features.h>
 
 #define CRYPT_H
 #define GLIBC_IP_OPTIONS
@@ -18,11 +21,12 @@ typedef struct flock flock_t;
 
 /* Hurd-specific bits below */
 
-/* default is non-const */
-#define ICONV_ARG2_TYPE const char **
-
 /* setgroups(0, NULL) succeeds, and drops the gid group
 as well as any supplementary groups*/
 #define OS_SETGROUPS_ZERO_DROPS_ALL
 
+#if _POSIX_C_SOURCE >= 200809L || _ATFILE_SOURCE
+# define EXIM_HAVE_OPENAT
+#endif
+
 /* End */