From 5b5a6bc82d69360a130837a24ac56432a9ef6b6d Mon Sep 17 00:00:00 2001
From: Adam Borowski <kilobyte@angband.pl>
Date: Fri, 6 Nov 2009 00:25:36 +0100
Subject: Fix the DOS port.

---
 crawl-ref/source/AppHdr.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'crawl-ref/source/AppHdr.h')

diff --git a/crawl-ref/source/AppHdr.h b/crawl-ref/source/AppHdr.h
index 9ec6d523fa..fcaa373b09 100644
--- a/crawl-ref/source/AppHdr.h
+++ b/crawl-ref/source/AppHdr.h
@@ -201,7 +201,9 @@
 
     // Use Perl-compatible regular expressions. libpcre must be available and
     // linked in.  This is optional.
+    #ifndef REGEX_PCRE
     #define REGEX_PCRE
+    #endif
 
 #elif defined(TARGET_OS_WINDOWS)
     #if !defined(USE_TILE)
-- 
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