--- 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