diff --git a/neo/framework/BuildDefines.h b/neo/framework/BuildDefines.h
index 8f0bbaf..91dac87 100644
--- a/neo/framework/BuildDefines.h
+++ b/neo/framework/BuildDefines.h
@@ -126,10 +126,6 @@ If you have questions concerning this license or the applicable additional terms
 #endif
 
 #ifndef ID_ALLOW_D3XP
-#	if defined( MACOS_X )
-#		define ID_ALLOW_D3XP 0
-#	else
-#		define ID_ALLOW_D3XP 1
-#	endif
+#	define ID_ALLOW_D3XP 1
 #endif
 
diff --git a/neo/idlib/containers/VectorSet.h b/neo/idlib/containers/VectorSet.h
index f68e4fb..7d64601 100644
--- a/neo/idlib/containers/VectorSet.h
+++ b/neo/idlib/containers/VectorSet.h
@@ -148,7 +148,7 @@ ID_INLINE int idVectorSet<type,dimension>::FindVector( const type &v, const floa
 	}
 
 	hash.Add( hashKey, idList<type>::Num() );
-	Append( v );
+	this->Append( v );
 	return idList<type>::Num()-1;
 }
 
diff --git a/neo/idlib/math/Curve.h b/neo/idlib/math/Curve.h
index 6defa90..63b1322 100644
--- a/neo/idlib/math/Curve.h
+++ b/neo/idlib/math/Curve.h
@@ -333,7 +333,7 @@ idCurve::SetConstantSpeed
 */
 template< class type >
 ID_INLINE void idCurve<type>::SetConstantSpeed( const float totalTime ) {
-	int i, j;
+	int i;
 	float *length, totalLength, scale, t;
 
 	length = (float *) _alloca16( values.Num() * sizeof( float ) );
@@ -777,7 +777,7 @@ idCurve_QuadraticBezier::BasisSecondDerivative
 */
 template< class type >
 ID_INLINE void idCurve_QuadraticBezier<type>::BasisSecondDerivative( const float t, float *bvals ) const {
-	float s1 = (float) ( t - this->times[0] ) / ( this->times[2] - this->times[0] );
+//	float s1 = (float) ( t - this->times[0] ) / ( this->times[2] - this->times[0] );
 	bvals[0] = 2.0f;
 	bvals[1] = -4.0f;
 	bvals[2] = 2.0f;
diff --git a/neo/idlib/math/Math.h b/neo/idlib/math/Math.h
index 415f86e..1037a57 100644
--- a/neo/idlib/math/Math.h
+++ b/neo/idlib/math/Math.h
@@ -31,7 +31,9 @@ If you have questions concerning this license or the applicable additional terms
 
 #ifdef MACOS_X
 // for square root estimate instruction
+#ifdef PPC_INTRINSICS
 #include <ppc_intrinsics.h>
+#endif
 // for FLT_MIN
 #include <float.h>
 #endif
diff --git a/neo/idlib/math/Simd_AltiVec.h b/neo/idlib/math/Simd_AltiVec.h
index 3f87cca..9b13992 100644
--- a/neo/idlib/math/Simd_AltiVec.h
+++ b/neo/idlib/math/Simd_AltiVec.h
@@ -93,7 +93,7 @@ If you have questions concerning this license or the applicable additional terms
 
 // This turns on support for PPC intrinsics in the SIMD_AltiVec.cpp file. Right now it's only used for frsqrte. GCC 
 // supports these intrinsics but XLC does not.
-#define PPC_INTRINSICS
+//#define PPC_INTRINSICS
 
 // This assumes that the idDrawVert array that is used in DeriveUnsmoothedTangents is aligned. If its not aligned,
 // then we don't get any speedup
diff --git a/neo/sound/snd_system.cpp b/neo/sound/snd_system.cpp
index bc42bf4..359eeea 100644
--- a/neo/sound/snd_system.cpp
+++ b/neo/sound/snd_system.cpp
@@ -164,7 +164,7 @@ void ListSounds_f( const idCmdArgs &args ) {
 	common->Printf( "%8d total samples loaded\n", totalSamples );
 	common->Printf( "%8d kB total system memory used\n", totalMemory >> 10 );
 #if ID_OPENAL
-	common->Printf( "%8d kB total OpenAL audio memory used\n", ( alGetInteger( alGetEnumValue( (ALubyte*)"AL_EAX_RAM_SIZE" ) ) - alGetInteger( alGetEnumValue( (ALubyte*)"AL_EAX_RAM_FREE" ) ) ) >> 10 );
+	common->Printf( "%8d kB total OpenAL audio memory used\n", ( alGetInteger( alGetEnumValue( "AL_EAX_RAM_SIZE" ) ) - alGetInteger( alGetEnumValue( "AL_EAX_RAM_FREE" ) ) ) >> 10 );
 #endif
 }
 
diff --git a/neo/sys/osx/DOOMController.mm b/neo/sys/osx/DOOMController.mm
index 195c18a..81d34f0 100644
--- a/neo/sys/osx/DOOMController.mm
+++ b/neo/sys/osx/DOOMController.mm
@@ -43,7 +43,7 @@ If you have questions concerning this license or the applicable additional terms
 #import "macosx_sys.h"
 
 #import <fenv.h>
-#import <ucontext.h>
+#import <sys/ucontext.h>
 #import <mach/thread_status.h>
 
 #define	MAX_KEYS		256
@@ -467,13 +467,13 @@ Sys_GetProcessorId
 ===============
 */
 cpuid_t Sys_GetProcessorId( void ) {
-	cpuid_t cpuid = CPUID_GENERIC;
+	int cpuid = CPUID_GENERIC;
 #if defined(__ppc__)
 	cpuid |= CPUID_ALTIVEC;
 #elif defined(__i386__)
 	cpuid |= CPUID_INTEL | CPUID_MMX | CPUID_SSE | CPUID_SSE2 | CPUID_SSE3 | CPUID_HTT | CPUID_CMOV | CPUID_FTZ | CPUID_DAZ;
 #endif
-	return cpuid;
+	return static_cast<cpuid_t>(cpuid);
 }
 
 /*