BSD: Add support (#140)

* BSD: Add support

* BSD: other fixes

There is still a bug when vgui haven't got text, maybe because of resources.

Also there is bug where when trying to start new game caption names shows wrong.

* BSD: Debugging

* BSD: modify preprocessor and fix windows

* BSD: Remove debugging and fix labels in gameui

* BSD: Remove disabling some DX9 commands

* BSD: Remove -g flag

mathlib/3dnow.cpp

@@ -16,7 +16,7 @@
 // memdbgon must be the last include file in a .cpp file!!!
 #include "tier0/memdbgon.h"
 
-#if !defined(COMPILER_MSVC64) && !defined(LINUX) && !defined(OSX)
+#if !defined(COMPILER_MSVC64) && !defined(LINUX) && !defined(COMPILER_CLANG)
 // Implement for 64-bit Windows if needed.
 // Clang hits "fatal error: error in backend:" and other errors when trying
 // to compile the inline assembly below. 3DNow support is highly unlikely to
@@ -102,7 +102,7 @@ float FASTCALL _3DNow_VectorNormalize (Vector& vec)
 			movd		radius, mm1
 			femms
 		}
-#elif LINUX	
+#elif LINUX
 		long long a,c;
     		int b,d;
     		memcpy(&a,&vec[0],sizeof(a));

mathlib/mathlib_base.cpp

@@ -3343,7 +3343,7 @@ void MathLib_Init( float gamma, float texGamma, float brightness, int overbright
 
 	// SSE Generally performs better than 3DNow when present, so this is placed 
 	// first to allow SSE to override these settings.
-#if !defined( OSX ) && !defined( PLATFORM_WINDOWS_PC64 ) && !defined(LINUX)
+#if !defined( OSX ) && !defined( PLATFORM_WINDOWS_PC64 ) && !defined(LINUX) && !defined(BSD)
 	if ( bAllow3DNow && pi.m_b3DNow )
 	{
 		s_b3DNowEnabled = true;