From faa88362db65798611f775d9925d526d00d69b8b Mon Sep 17 00:00:00 2001
From: Chris Danford <chrisdanford@users.sourceforge.net>
Date: Tue, 21 Feb 2006 04:52:39 +0000
Subject: [PATCH] disable GSL vector lib on MacOS x86

---
 stepmania/src/RageMath.cpp | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/stepmania/src/RageMath.cpp b/stepmania/src/RageMath.cpp
index e1dfea1878..48a36d2317 100644
--- a/stepmania/src/RageMath.cpp
+++ b/stepmania/src/RageMath.cpp
@@ -13,8 +13,13 @@
 #include "arch/Dialog/Dialog.h"
 #include <float.h>
 
-#if defined(MACOSX)
+#if defined(MACOSX) && defined(__ppc__)
+#	define USE_VECLIB
+#endif
+
+#if defined(USE_VECLIB)
 // Work around global namespace pollution.
+// www.gnu.org/software/gsl/manual/gsl-ref_43.html
 namespace vblas
 {
 # include <vecLib/vBLAS.h>
@@ -90,7 +95,7 @@ void RageVec3TransformNormal( RageVector3* pOut, const RageVector3* pV, const Ra
 
 void RageVec4TransformCoord( RageVector4* pOut, const RageVector4* pV, const RageMatrix* pM )
 {
-#if defined(MACOSX)
+#if defined(USE_VECLIB)
 	// (M^t * v)^t = v^t * M 
 	cblas_sgemv(CblasRowMajor, CblasTrans, 4, 4, 1, &pM->m00, 4, &pV->x, 1,
 				0, &pOut->x, 1);
@@ -135,7 +140,7 @@ RageMatrix RageMatrix::GetTranspose() const
 
 void RageMatrixMultiply( RageMatrix* pOut, const RageMatrix* pA, const RageMatrix* pB )
 {
-#if defined(MACOSX)
+#if defined(USE_VECLIB)
 	cblas_sgemm(CblasRowMajor, CblasNoTrans, CblasNoTrans, 4, 4, 4, 1,
 				&pB->m00, 4, &pA->m00, 4, 0, &pOut->m00, 4);
 #else