Build: guards on openat()

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

diff --git a/src/OS/os.h-GNU b/src/OS/os.h-GNU
index cc4da0e3b76f5304d1ade874bad0b7840686b90e..59130ef1054c85e99b16a8d1e52f2969bd8862e7 100644 (file)
--- a/src/OS/os.h-GNU
+++ b/src/OS/os.h-GNU
@@ -1,4 +1,5 @@
 /* Exim: OS-specific C header file for GNU/Hurd */
+/* Copyright (c) The Exim Maintainers 2020 */
 
 #define CRYPT_H
 #define GLIBC_IP_OPTIONS
@@ -17,4 +18,11 @@ 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
+
 /* End */