Gitweb:
http://git.exim.org/exim.git/commitdiff/b87a6e0eedc31fdaa0d468349769b265db904aa7
Commit: b87a6e0eedc31fdaa0d468349769b265db904aa7
Parent: 5b257915c7b51e64b90bc6d89520514e0f4d4164
Author: Phil Pennock <pdp@???>
AuthorDate: Wed May 23 23:27:44 2012 -0400
Committer: Phil Pennock <pdp@???>
CommitDate: Wed May 23 23:27:44 2012 -0400
Define _ISOC99_SOURCE in exim.h
Done before os.h is pulled in so an OS can override it.
---
doc/doc-txt/ChangeLog | 5 +++++
src/OS/os.h-Linux | 6 +++---
src/src/exim.h | 5 +++++
3 files changed, 13 insertions(+), 3 deletions(-)
diff --git a/doc/doc-txt/ChangeLog b/doc/doc-txt/ChangeLog
index 8c7dc72..ef3236a 100644
--- a/doc/doc-txt/ChangeLog
+++ b/doc/doc-txt/ChangeLog
@@ -149,6 +149,11 @@ PP/34 Validate tls_require_ciphers on startup, since debugging an invalid
PP/35 Pull in <features.h> on Linux, for some portability edge-cases of
64-bit ${eval} (JH/03).
+PP/36 Define _ISOC99_SOURCE in exim.h; it's needed for some releases of
+ GNU libc to support some of the 64-bit stuff, should not lead to
+ conflicts. Defined before os.h is pulled in, so if a given platform
+ needs to override this, it can.
+
Exim version 4.77
-----------------
diff --git a/src/OS/os.h-Linux b/src/OS/os.h-Linux
index 5186ec8..fe4eaa6 100644
--- a/src/OS/os.h-Linux
+++ b/src/OS/os.h-Linux
@@ -1,8 +1,8 @@
/* Exim: OS-specific C header file for Linux */
-/* Some weird variants may require invocation with C99 and features.h
-inclusion to build, with the 64-bit arithmetic. Make compiler selection
-their problem, but build anyway. */
+/* 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
+with the issue. */
#include <features.h>
diff --git a/src/src/exim.h b/src/src/exim.h
index 601dfed..987aebf 100644
--- a/src/src/exim.h
+++ b/src/src/exim.h
@@ -20,6 +20,11 @@ This call dates back at least as far as SUSv2. */
#define HAVE_SRANDOM
+/* This is primarily for the Gnu C library; we define it before os.h so that
+os.h has a chance to hurriedly undef it, Just In Case. */
+
+#define _ISOC99_SOURCE 1
+
/* First of all include the os-specific header, which might set things that
are needed by any of the other headers, including system headers. */
