diff --git a/neo/libs/jpeg-6/jmorecfg.h b/neo/libs/jpeg-6/jmorecfg.h
index 958381f2..e5dbe500 100644
--- a/neo/libs/jpeg-6/jmorecfg.h
+++ b/neo/libs/jpeg-6/jmorecfg.h
@@ -150,8 +150,8 @@ typedef unsigned int UINT16;
 #endif /* HAVE_UNSIGNED_SHORT */
 
 #ifndef __MWERKS__
-#ifndef _BASETSD_H_
-typedef long INT32;
+#if !defined(_BASETSD_H_) && !defined(_BASETSD_H)
+typedef int INT32;
 #endif
 #endif
 
diff --git a/neo/renderer/DXT/DXTEncoder_SSE2.cpp b/neo/renderer/DXT/DXTEncoder_SSE2.cpp
index 7f441e49..f0a784d3 100644
--- a/neo/renderer/DXT/DXTEncoder_SSE2.cpp
+++ b/neo/renderer/DXT/DXTEncoder_SSE2.cpp
@@ -55,7 +55,7 @@ Contains the DxtEncoder implementation for SSE2.
 typedef uint16	word;
 typedef uint32	dword;
 
-ALIGN16( static __m128i SIMD_SSE2_zero ) = { 0, 0, 0, 0 };
+ALIGN16( static __m128i SIMD_SSE2_zero ) = _mm_set_epi32(0, 0, 0, 0);
 ALIGN16( static dword SIMD_SSE2_dword_byte_mask[4] ) = { 0x000000FF, 0x000000FF, 0x000000FF, 0x000000FF };
 ALIGN16( static dword SIMD_SSE2_dword_word_mask[4] ) = { 0x0000FFFF, 0x0000FFFF, 0x0000FFFF, 0x0000FFFF };
 ALIGN16( static dword SIMD_SSE2_dword_red_mask[4] )   = { 0x000000FF, 0x000000FF, 0x000000FF, 0x000000FF };
diff --git a/neo/renderer/jobs/ShadowShared.cpp b/neo/renderer/jobs/ShadowShared.cpp
index 70c1f0ab..97922d52 100644
--- a/neo/renderer/jobs/ShadowShared.cpp
+++ b/neo/renderer/jobs/ShadowShared.cpp
@@ -131,7 +131,7 @@ static void R_ShadowVolumeCullBits( byte* cullBits, byte& totalOr, const float r
 	const __m128 p3Z = _mm_splat_ps( p3, 2 );
 	const __m128 p3W = _mm_splat_ps( p3, 3 );
 	
-	__m128i vecTotalOrInt = { 0, 0, 0, 0 };
+	__m128i vecTotalOrInt = _mm_set_epi32(0, 0, 0, 0);
 	
 	for( int i = 0; i < numVerts; )
 	{
diff --git a/neo/renderer/jobs/dynamicshadowvolume/DynamicShadowVolume.cpp b/neo/renderer/jobs/dynamicshadowvolume/DynamicShadowVolume.cpp
index 5802be74..8656c637 100644
--- a/neo/renderer/jobs/dynamicshadowvolume/DynamicShadowVolume.cpp
+++ b/neo/renderer/jobs/dynamicshadowvolume/DynamicShadowVolume.cpp
@@ -31,6 +31,9 @@ If you have questions concerning this license or the applicable additional terms
 #include "../../../idlib/sys/sys_intrinsics.h"
 #include "../../../idlib/geometry/DrawVert_intrinsics.h"
 
+#ifdef _WIN32
+#include <malloc.h> // DG: _alloca16 needs that
+#endif
 
 static const __m128i vector_int_neg_one		= _mm_set_epi32( -1, -1, -1, -1 );
 
@@ -39,7 +42,7 @@ static const __m128i vector_int_neg_one		= _mm_set_epi32( -1, -1, -1, -1 );
 TriangleFacing_SSE2
 =====================
 */
-static __forceinline __m128i TriangleFacing_SSE2(	const __m128& vert0X, const __m128& vert0Y, const __m128& vert0Z,
+static ID_FORCE_INLINE __m128i TriangleFacing_SSE2(	const __m128& vert0X, const __m128& vert0Y, const __m128& vert0Z,
 		const __m128& vert1X, const __m128& vert1Y, const __m128& vert1Z,
 		const __m128& vert2X, const __m128& vert2Y, const __m128& vert2Z,
 		const __m128& lightOriginX, const __m128& lightOriginY, const __m128& lightOriginZ )
@@ -68,7 +71,7 @@ TriangleCulled
 The clip space of the 'lightProject' is assumed to be in the range [0, 1].
 =====================
 */
-static __forceinline __m128i TriangleCulled_SSE2(	const __m128& vert0X, const __m128& vert0Y, const __m128& vert0Z,
+static ID_FORCE_INLINE __m128i TriangleCulled_SSE2(	const __m128& vert0X, const __m128& vert0Y, const __m128& vert0Z,
 		const __m128& vert1X, const __m128& vert1Y, const __m128& vert1Z,
 		const __m128& vert2X, const __m128& vert2Y, const __m128& vert2Z,
 		const __m128& lightProjectX, const __m128& lightProjectY, const __m128& lightProjectZ, const __m128& lightProjectW )
diff --git a/neo/renderer/jobs/prelightshadowvolume/PreLightShadowVolume.cpp b/neo/renderer/jobs/prelightshadowvolume/PreLightShadowVolume.cpp
index ddd7e5f8..1e86bc7a 100644
--- a/neo/renderer/jobs/prelightshadowvolume/PreLightShadowVolume.cpp
+++ b/neo/renderer/jobs/prelightshadowvolume/PreLightShadowVolume.cpp
@@ -28,6 +28,9 @@ If you have questions concerning this license or the applicable additional terms
 
 #include "PreLightShadowVolume_local.h"
 
+#ifdef _WIN32 // DG: malloc.h needed for _alloca16
+#include <malloc.h>
+#endif
 /*
 ===================
 PreLightShadowVolumeJob