X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/7d6ea1cdb5bd8887ccc8f7b9ad787a8e3e25ea2a..cdb37db5c0ff060de7edfc94e830cab6b7f7c084:/src/OS/os.h-Linux

diff --git a/src/OS/os.h-Linux b/src/OS/os.h-Linux
index f6d35772b..c705e5cd2 100644
--- a/src/OS/os.h-Linux
+++ b/src/OS/os.h-Linux
@@ -1,4 +1,7 @@
 /* Exim: OS-specific C header file for Linux */
+/* Copyright (c) University of Cambridge 1995 - 2020 */
+/* See the file NOTICE for conditions of use and distribution. */
+
 
 /* Some old systems we've received bug-reports for have a <limits.h> which
 does not pull in <features.h>.  Best to just pull it in now and have done
@@ -80,6 +83,12 @@ then change the 0 to 1 in the next block. */
 # define MSG_FASTOPEN 0x20000000
 #endif
 #define EXIM_HAVE_TCPI_UNACKED
+#ifndef TCPI_OPT_SYN_DATA
+# define TCPI_OPT_SYN_DATA 32
+#endif
+
+/* "Abstract" Unix-socket names */
+#define EXIM_HAVE_ABSTRACT_UNIX_SOCKETS
 
 
 /* End */