From 90c4841855f94853a0f678da792527f6a175cf2c Mon Sep 17 00:00:00 2001
From: Andrey Nazarov <skuller@skuller.net>
Date: Fri, 24 Aug 2012 20:42:28 +0400
Subject: Make Q2PRO compile on OpenBSD.

Original patch provided by Jonathan Gray.
---
 src/unix/hunk.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/unix/hunk.c')

diff --git a/src/unix/hunk.c b/src/unix/hunk.c
index f88da34..c381429 100644
--- a/src/unix/hunk.c
+++ b/src/unix/hunk.c
@@ -71,7 +71,7 @@ void Hunk_End(memhunk_t *hunk)
     newsize = (hunk->cursize + 4095) & ~4095;
 
     if (newsize < hunk->maxsize) {
-#ifdef _GNU_SOURCE
+#if (defined __linux__) && (defined _GNU_SOURCE)
         void *buf = mremap(hunk->base, hunk->maxsize, newsize, 0);
 #else
         void *unmap_base = (byte *)hunk->base + newsize;
-- 
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