From f82a3c9b085560c97e17a796e01b73f1accfd24e Mon Sep 17 00:00:00 2001
From: Phil Pennock <pdp@exim.org>
Date: Tue, 11 Oct 2011 03:27:17 -0400
Subject: [PATCH] PCRE_PRERELEASE is a bare sequence, not a string.

---
 src/src/exim.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/src/exim.c b/src/src/exim.c
index 670319b98..a6c0d7832 100644
--- a/src/src/exim.c
+++ b/src/src/exim.c
@@ -973,7 +973,9 @@ DEBUG(D_any) do {
            * unless its an ancient version of PCRE in which case it
            * is not defined */
 #ifdef PCRE_PRERELEASE
-          PCRE_PRERELEASE "",
+# define STRINGIFY(x) #x
+          STRINGIFY(PCRE_PRERELEASE) "",
+# undef STRINGIFY
 #else
           "",
 #endif
-- 
2.25.1