X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/870f6ba8a2945754a7f2f66097e3a64465fe1a04..d7d7b7b91dd75cec636fc144da7e27eed860f971:/src/src/exim.h

diff --git a/src/src/exim.h b/src/src/exim.h
index 44e4ab31d..591434312 100644
--- a/src/src/exim.h
+++ b/src/src/exim.h
@@ -1,10 +1,10 @@
-/* $Cambridge: exim/src/src/exim.h,v 1.14 2005/05/23 16:58:56 fanf2 Exp $ */
+/* $Cambridge: exim/src/src/exim.h,v 1.19 2006/02/07 11:19:00 ph10 Exp $ */
 
 /*************************************************
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2005 */
+/* Copyright (c) University of Cambridge 1995 - 2006 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 
@@ -221,23 +221,19 @@ or a macro with entries f_frsize and f_bsize. */
 #include <fcntl.h>
 
 /* There's a shambles in IRIX6 - it defines EX_OK in unistd.h which conflicts
-with the definition in sysexits.h. Arrange to preserve it, even though at
-present Exim doesn't actually use it. */
+with the definition in sysexits.h. Exim does not actually use this macro, so we
+just undefine it. It would be nice to be able to re-instate the definition from
+sysexits.h if there is no definition in unistd.h, but I do not think there is a
+way to do this in C because macro definitions are not scanned for other macros
+at definition time. [The code here used to assume they were, until I was
+disabused of the notion. Luckily, since EX_OK is not used, it didn't matter.] */
 
 #ifdef EX_OK
-#define SAVE_EX_OK EX_OK
 #undef EX_OK
 #endif
 
 #include <unistd.h>
 
-#ifdef SAVE_EX_OK
-#ifdef EX_OK
-#undef EX_OK
-#endif
-#define EX_OK SAVE_EX_OK
-#endif
-
 #include <utime.h>
 #ifndef NO_NET_IF_H
 #include <net/if.h>
@@ -283,6 +279,35 @@ header files. I don't suppose they have T_SRV either. */
 #define T_SRV 33
 #endif
 
+/* It seems that some versions of arpa/nameser.h don't define *any* of the
+T_xxx macros, which seem to be non-standard nowadays. Just to be on the safe
+side, put in definitions for all the ones that Exim uses. */
+
+#ifndef T_A
+#define T_A 1
+#endif
+
+#ifndef T_CNAME
+#define T_CNAME 5
+#endif
+
+#ifndef T_SOA
+#define T_SOA 6
+#endif
+
+#ifndef T_MX
+#define T_MX 15
+#endif
+
+#ifndef T_NS
+#define T_NS 2
+#endif
+
+#ifndef T_PTR
+#define T_PTR 12
+#endif
+
+
 /* We define a few private types for special DNS lookups:
 
  . T_ZNS gets the nameservers of the enclosing zone of a domain
@@ -392,9 +417,8 @@ extern int ferror(FILE *);
 #include "pcre/pcre.h"
 
 /* Exim includes are in several files. Note that local_scan.h #includes
-mytypes.h and store.h, so we don't need to mention them explicitly. */
-
-#include "config.h"
+config.h, mytypes.h, and store.h, so we don't need to mention them explicitly.
+*/
 
 #include "local_scan.h"
 #include "macros.h"