From b1a8b8a76be67d126172c1f29a0d1c74222cf694 Mon Sep 17 00:00:00 2001
From: Max Horn
Date: Sun, 9 Dec 2007 14:43:31 +0000
Subject: Fix for bug #1845876: MACOSX 10.2.8: sqrtf undefined

svn-id: r29791
---
 graphics/primitives.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'graphics/primitives.cpp')

diff --git a/graphics/primitives.cpp b/graphics/primitives.cpp
index 85a0383ea9..077af1c3a6 100644
--- a/graphics/primitives.cpp
+++ b/graphics/primitives.cpp
@@ -26,6 +26,13 @@
 
 namespace Graphics {
 
+#ifdef MACOSX
+// Older versions of Mac OS X didn't supply a sqrtf function. To ensure
+// binary compatibiity, we force using pow instead of sqrtf (the only
+// potential drawback is that it might be a little bit slower).
+#define sqrtf sqrt
+#endif
+
 void drawLine(int x0, int y0, int x1, int y1, int color, void (*plotProc)(int, int, int, void *), void *data) {
 	// Bresenham's line algorithm, as described by Wikipedia
 	const bool steep = ABS(y1 - y0) > ABS(x1 - x0);
-- 
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