From: divverent <divverent@d7cf8633-e32d-0410-b094-e92efae38249>
Date: Mon, 11 Apr 2011 06:51:56 +0000 (+0000)
Subject: fix mingw breakage on Ubuntu
X-Git-Tag: xonotic-v0.5.0~276
X-Git-Url: https://git.rm.cloudns.org/?a=commitdiff_plain;h=16810800c268aaa49be77d1e7d5bf9ac58b08104;p=xonotic%2Fdarkplaces.git

fix mingw breakage on Ubuntu

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@11050 d7cf8633-e32d-0410-b094-e92efae38249
::stable-branch::merge=559058823b54b7f5081cb09da42c792682c8d151
---

diff --git a/dpsoftrast.c b/dpsoftrast.c
index 75d6db80..86d4f7b5 100644
--- a/dpsoftrast.c
+++ b/dpsoftrast.c
@@ -33,9 +33,14 @@ typedef qboolean bool;
 		#define MEMORY_BARRIER (_mm_sfence())
 		//(__sync_synchronize())
 		#define ATOMIC_COUNTER volatile LONG
-		#define ATOMIC_INCREMENT(counter) (InterlockedIncrement(&(counter)))
-		#define ATOMIC_DECREMENT(counter) (InterlockedDecrement(&(counter)))
-		#define ATOMIC_ADD(counter, val) ((void)InterlockedExchangeAdd(&(counter), (val)))
+		// this LONG * cast serves to fix an issue with broken mingw
+		// packages on Ubuntu; these only declare the function to take
+		// a LONG *, causing a compile error here. This seems to be
+		// error- and warn-free on platforms that DO declare
+		// InterlockedIncrement correctly, like mingw on Windows.
+		#define ATOMIC_INCREMENT(counter) (InterlockedIncrement((LONG *) &(counter)))
+		#define ATOMIC_DECREMENT(counter) (InterlockedDecrement((LONG *) &(counter)))
+		#define ATOMIC_ADD(counter, val) ((void)InterlockedExchangeAdd((LONG *) &(counter), (val)))
 	#elif defined(__GNUC__)
 		#define ALIGN(var) var __attribute__((__aligned__(16)))
 		#define ATOMIC(var) var __attribute__((__aligned__(32)))