diff --git a/Sources/Plasma/CoreLib/hsUtils.h b/Sources/Plasma/CoreLib/hsUtils.h
index 3ffc107c..f25e885b 100644
--- a/Sources/Plasma/CoreLib/hsUtils.h
+++ b/Sources/Plasma/CoreLib/hsUtils.h
@@ -72,6 +72,7 @@ char *  hsFormatStrV(const char * fmt, va_list args);   // You are responsible f
 #    define strnicmp    strncasecmp
 #    define wcsicmp     wcscasecmp
 #    define wcsnicmp    wcsncasecmp
+#    define strlwr      hsStrLower
 #endif
 
 
diff --git a/Sources/Plasma/PubUtilLib/plGImage/hsDXTDirectXCodec.cpp b/Sources/Plasma/PubUtilLib/plGImage/hsDXTDirectXCodec.cpp
index 1b29f368..35742818 100644
--- a/Sources/Plasma/PubUtilLib/plGImage/hsDXTDirectXCodec.cpp
+++ b/Sources/Plasma/PubUtilLib/plGImage/hsDXTDirectXCodec.cpp
@@ -51,6 +51,8 @@ You can contact Cyan Worlds, Inc. by email legal@cyan.com
 //                                                                           //
 ///////////////////////////////////////////////////////////////////////////////
 
+#if HS_BUILD_FOR_WIN32
+
 #include "hsConfig.h"
 #include "hsWindows.h"
 
@@ -1240,3 +1242,4 @@ hsBool hsDXTDirectXCodec::ColorizeCompMipmap( plMipmap *bMap, const UInt8 *color
     return false;
 }
 
+#endif
diff --git a/Sources/Plasma/PubUtilLib/plGImage/hsDXTDirectXCodec.h b/Sources/Plasma/PubUtilLib/plGImage/hsDXTDirectXCodec.h
index 6f158a16..1094bc7b 100644
--- a/Sources/Plasma/PubUtilLib/plGImage/hsDXTDirectXCodec.h
+++ b/Sources/Plasma/PubUtilLib/plGImage/hsDXTDirectXCodec.h
@@ -54,6 +54,8 @@ You can contact Cyan Worlds, Inc. by email legal@cyan.com
 #ifndef hsDXTDirectXCodec_inc
 #define hsDXTDirectXCodec_inc
 
+#if HS_BUILD_FOR_WIN32
+
 #include "hsWindows.h"
 #include "hsCodec.h"
 
@@ -103,5 +105,6 @@ private:
     static hsBool Register();
     static hsBool fRegistered;
 };
+#endif
 
 #endif // hsDXTDirectXCodec_inc
diff --git a/Sources/Plasma/PubUtilLib/plGImage/plAVIWriter.cpp b/Sources/Plasma/PubUtilLib/plGImage/plAVIWriter.cpp
index d52b32d2..110ac5b4 100644
--- a/Sources/Plasma/PubUtilLib/plGImage/plAVIWriter.cpp
+++ b/Sources/Plasma/PubUtilLib/plGImage/plAVIWriter.cpp
@@ -39,6 +39,8 @@ You can contact Cyan Worlds, Inc. by email legal@cyan.com
       Mead, WA   99021
 
 *==LICENSE==*/
+#if HS_BUILD_FOR_WIN32
+
 #include "plAVIWriter.h"
 
 #include "hsTypes.h"
@@ -308,3 +310,4 @@ bool plAVIWriterImp::ICaptureFrame(plPipeline* pipeline)
 
     return (err == AVIERR_OK);
 }
+#endif
diff --git a/Sources/Plasma/PubUtilLib/plGImage/plAVIWriter.h b/Sources/Plasma/PubUtilLib/plGImage/plAVIWriter.h
index 7989611e..c11c740b 100644
--- a/Sources/Plasma/PubUtilLib/plGImage/plAVIWriter.h
+++ b/Sources/Plasma/PubUtilLib/plGImage/plAVIWriter.h
@@ -42,6 +42,8 @@ You can contact Cyan Worlds, Inc. by email legal@cyan.com
 #ifndef plAVIWriter_h_inc
 #define plAVIWriter_h_inc
 
+#if HS_BUILD_FOR_WIN32
+
 #include "pnKeyedObject/hsKeyedObject.h"
 
 class plPipeline;
@@ -67,5 +69,6 @@ public:
     virtual bool Open(const char* fileName, plPipeline* pipeline)=0;
     virtual void Close()=0;
 };
+#endif
 
-#endif // plAVIWriter_h_inc
\ No newline at end of file
+#endif // plAVIWriter_h_inc
diff --git a/Sources/Plasma/PubUtilLib/plGImage/plDynSurfaceWriter.cpp b/Sources/Plasma/PubUtilLib/plGImage/plDynSurfaceWriter.cpp
index 343a4ee6..d00ba302 100644
--- a/Sources/Plasma/PubUtilLib/plGImage/plDynSurfaceWriter.cpp
+++ b/Sources/Plasma/PubUtilLib/plGImage/plDynSurfaceWriter.cpp
@@ -394,8 +394,10 @@ void    plDynSurfaceWriter::IInit( void )
 
 void    plDynSurfaceWriter::Reset( void )
 {
+#if HS_BUILD_FOR_WIN32
     fRGBSurface.Release();
     fAlphaSurface.Release();
+#endif
     fCurrTarget = nil;
     fFlushed = true;
 
@@ -484,6 +486,7 @@ void    plDynSurfaceWriter::SwitchTarget( plDynamicTextMap *target )
 
     // Make sure our surfaces fit
     bool hadToAllocate = false;
+#if HS_BUILD_FOR_WIN32
     if( target != nil )
     {
         if( !fRGBSurface.WillFit( (UInt16)(target->GetWidth()), (UInt16)(target->GetHeight()) ) )
@@ -507,6 +510,7 @@ void    plDynSurfaceWriter::SwitchTarget( plDynamicTextMap *target )
         fAlphaSurface.Release();
         hadToAllocate = true;
     }
+#endif
 
     if( hadToAllocate )
     {
@@ -533,6 +537,7 @@ void    plDynSurfaceWriter::IEnsureSurfaceUpdated( void )
     {
         UInt32 *srcBits = (UInt32 *)fCurrTarget->GetImage();
 
+#if HS_BUILD_FOR_WIN32
         // Are we merging in the alpha bits?
         if( fFlags & kSupportAlpha )
         {
@@ -568,12 +573,14 @@ void    plDynSurfaceWriter::IEnsureSurfaceUpdated( void )
                 destBits += fRGBSurface.fWidth;
             }
         }       
+#endif
 
         // ALSO, we need to re-update our settings, since different targets
         // can have different fonts or justifications
         ISetFont( fCurrTarget->GetFontFace(), fCurrTarget->GetFontSize(), 0/*fCurrTarget->GetWriterFontFlags()*/, fCurrTarget->GetFontAARGB() );
         SetJustify( (Justify)fCurrTarget->GetFontJustify() );
-        ISetTextColor( fCurrTarget->GetFontColor(), fCurrTarget->GetFontBlockRGB() );
+        hsColorRGBA col = fCurrTarget->GetFontColor();
+        ISetTextColor( col, fCurrTarget->GetFontBlockRGB() );
 
         fFlushed = false;
     }
@@ -584,11 +591,13 @@ hsBool  plDynSurfaceWriter::IsValid( void ) const
     if( fCurrTarget == nil )
         return false;
 
+#if HS_BUILD_FOR_WIN32
     if( fRGBSurface.fDC == nil || fRGBSurface.fBitmap == nil )
         return false;
 
     if( ( fFlags & kSupportAlpha ) && ( fAlphaSurface.fDC == nil || fAlphaSurface.fBitmap == nil ) )
         return false;
+#endif
 
     return true;
 }
@@ -696,6 +705,7 @@ void    plDynSurfaceWriter::ISetFont( const char *face, UInt16 size, UInt8 fontF
 {
     fFlags = ( fFlags & ~kFontShadowed ) | ( fontFlags & kFontShadowed );
 
+#if HS_BUILD_FOR_WIN32
     if( !fRGBSurface.FontMatches( face, size, fontFlags, antiAliasRGB ) )
         fRGBSurface.SetFont( face, size, fontFlags, antiAliasRGB );
 
@@ -704,6 +714,7 @@ void    plDynSurfaceWriter::ISetFont( const char *face, UInt16 size, UInt8 fontF
         if( !fAlphaSurface.FontMatches( face, size, fontFlags, !antiAliasRGB ) )
             fAlphaSurface.SetFont( face, size, fontFlags, !antiAliasRGB );
     }
+#endif
 }
 
 //// SetTextColor /////////////////////////////////////////////////////////////
@@ -770,7 +781,8 @@ void    plDynSurfaceWriter::IRefreshOSJustify( void )
     if( !IsValid() )
         return;
 
-    UINT    justMode;
+#if HS_BUILD_FOR_WIN32
+    UInt32 justMode;
     switch( fJustify )
     {
         case kLeftJustify:  justMode = TA_LEFT; break;
@@ -780,6 +792,7 @@ void    plDynSurfaceWriter::IRefreshOSJustify( void )
     ::SetTextAlign( fRGBSurface.fDC, justMode );
     if( fFlags & kSupportAlpha )
         ::SetTextAlign( fAlphaSurface.fDC, justMode );
+#endif
 }
 
 //// DrawString ///////////////////////////////////////////////////////////////
@@ -1122,4 +1135,4 @@ void    plDynSurfaceWriter::DrawClippedImage( UInt16 x, UInt16 y, plMipmap *imag
         ::DeleteObject( brush );
     }
 }
-*/
\ No newline at end of file
+*/
diff --git a/Sources/Plasma/PubUtilLib/plGImage/plFont.cpp b/Sources/Plasma/PubUtilLib/plGImage/plFont.cpp
index e77763cd..ff18c047 100644
--- a/Sources/Plasma/PubUtilLib/plGImage/plFont.cpp
+++ b/Sources/Plasma/PubUtilLib/plGImage/plFont.cpp
@@ -1024,7 +1024,7 @@ void    plFont::CalcStringExtents( const wchar_t *string, UInt16 &width, UInt16
 
     // firstClippedChar is an index into the given string that points to the start of the part of the string
     // that got clipped (i.e. not rendered).
-    firstClippedChar = (UInt32)fRenderInfo.fVolatileStringPtr - (UInt32)string;
+    firstClippedChar = (unsigned_ptr)fRenderInfo.fVolatileStringPtr - (unsigned_ptr)string;
     firstClippedChar /= 2; // divide by 2 because a wchar_t is two bytes wide, instead of one (like a char)
 }