--- exim-4.76/src/exim.c-	2011-05-09 12:36:25.000000000 +0400
+++ exim-4.76/src/exim.c	2011-10-16 07:50:24.138099169 +0400
@@ -948,7 +948,8 @@ DEBUG(D_any) do {
            * unless its an ancient version of PCRE in which case it
            * is not defined */
 #ifdef PCRE_PRERELEASE
-          PCRE_PRERELEASE "",
+#define STR(a) #a
+	STR(PCRE_PRERELEASE),
 #else
           "",
 #endif