X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/3634fc257bd0667daef14d72005cd87c735bbb24..4da19af657ed2687d20c1eb8cf85a66a70804e2d:/src/OS/os.h-GNU

diff --git a/src/OS/os.h-GNU b/src/OS/os.h-GNU
index 0f8a8d63b..4b222600e 100644
--- a/src/OS/os.h-GNU
+++ b/src/OS/os.h-GNU
@@ -1,12 +1,16 @@
 /* Exim: OS-specific C header file for GNU/Hurd */
+/* Copyright (c) The Exim Maintainers 2020 - 2021 */
+
+#include <features.h>
 
 #define CRYPT_H
 #define GLIBC_IP_OPTIONS
-#define HAVE_MMAP
 #define HAVE_BSD_GETLOADAVG
+#define HAVE_MMAP
 #define HAVE_SYS_VFS_H
 #define NO_IP_VAR_H
 #define SIG_IGN_WORKS
+#define SIOCGIFCONF_GIVES_ADDR
 
 #define F_FREESP     O_TRUNC
 typedef struct flock flock_t;
@@ -16,4 +20,15 @@ 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 */