diff --git a/include/lwpp/customobject_handler.h b/include/lwpp/customobject_handler.h
index 5728b59..270f9fe 100644
--- a/include/lwpp/customobject_handler.h
+++ b/include/lwpp/customobject_handler.h
@@ -74,7 +74,8 @@ namespace lwpp
 			try
 			{
 				T *plugin = (T *) instance;
-				plugin->Evaluate(CustomObjAccess(lw_coa));
+				auto ca = CustomObjAccess(lw_coa);
+				plugin->Evaluate(ca);
 			}
 			catch (std::exception &e)
 			{
diff --git a/include/lwpp/debug.h b/include/lwpp/debug.h
index 7779882..746d286 100644
--- a/include/lwpp/debug.h
+++ b/include/lwpp/debug.h
@@ -95,8 +95,8 @@ namespace lwpp
 		protected:
 				int sync()
 				{
-						::OutputDebugStringA(str().c_str());
-						str(std::basic_string<CharT>());    // Clear the string buffer
+						::OutputDebugStringA(basic_debugbuf::str().c_str());
+						basic_debugbuf::str(std::basic_string<CharT>());    // Clear the string buffer
 						return 0;
 				}
 		};
@@ -109,11 +109,11 @@ namespace lwpp
 				basic_dostream()
 					: std::basic_ostream<CharT, TraitsT>(new basic_debugbuf<CharT, TraitsT>())
 				{
-					setf(std::ios::unitbuf);
+					basic_dostream::setf(std::ios::unitbuf);
 				}
 				~basic_dostream()
 				{
-						delete rdbuf();
+						delete basic_dostream::rdbuf();
 				}
 		};
 
diff --git a/include/lwpp/instances.h b/include/lwpp/instances.h
index 70a7410..c38478f 100644
--- a/include/lwpp/instances.h
+++ b/include/lwpp/instances.h
@@ -109,4 +109,4 @@ namespace lwpp {
   }
 }
 
-#endif LWPP_INSTANCES_H
\ No newline at end of file
+#endif // LWPP_INSTANCES_H
\ No newline at end of file
diff --git a/include/lwpp/modeler.h b/include/lwpp/modeler.h
index b33c97e..8a5c37d 100644
--- a/include/lwpp/modeler.h
+++ b/include/lwpp/modeler.h
@@ -14,7 +14,7 @@ namespace lwpp
 #define MSEL_MODE_VOLUME 2
 #define MSEL_MODE_EDGE 3
 
-  class ModelerState : protected GlobalBase<LWStateQueryFuncs>
+  class ModelerState : public GlobalBase<LWStateQueryFuncs>
   {
   public:
 
diff --git a/src/global.cpp b/src/global.cpp
index aad1e4f..16852b1 100644
--- a/src/global.cpp
+++ b/src/global.cpp
@@ -112,8 +112,8 @@ namespace lwpp
 	void LightWave::Init()
 	{
 		//systemID = (unsigned int)(unsigned long) (SuperGlobal (LWPP_SYSTEMID_GLOBAL, GFUSE_TRANSIENT));
-		systemID = (unsigned int) (unsigned long) (SuperGlobal (LWSYSTEMID_GLOBAL, GFUSE_ACQUIRE));
-		productInfo = ( unsigned int ) (unsigned long) SuperGlobal( LWPRODUCTINFO_GLOBAL, GFUSE_TRANSIENT );
+		systemID = (unsigned int) (uintptr_t) (SuperGlobal (LWSYSTEMID_GLOBAL, GFUSE_ACQUIRE));
+		productInfo = ( unsigned int ) (uintptr_t) SuperGlobal( LWPRODUCTINFO_GLOBAL, GFUSE_TRANSIENT );
 	}
 
 	int LightWave::GetNumCores()
diff --git a/src/platform_cocoa.mm b/src/platform_cocoa.mm
index 05b3cc1..6c3a951 100644
--- a/src/platform_cocoa.mm
+++ b/src/platform_cocoa.mm
@@ -1,4 +1,4 @@
-#include "platform_cocoa.h"
+#include "lwpp/platform_cocoa.h"
 #include "lwdialog.h"
 #include <Cocoa/Cocoa.h>
 
diff --git a/src/platform_win32.cpp b/src/platform_win32.cpp
index e684cc0..f848609 100644
--- a/src/platform_win32.cpp
+++ b/src/platform_win32.cpp
@@ -37,7 +37,7 @@ namespace lwpp
 
 	std::string getTempPath()
 	{
-		DWORD result = ::GetTempPath(0, "");
+		DWORD result = ::GetTempPath(0, const_cast<LPSTR>("") );
 		if(result == 0) 
 		{
 			throw std::runtime_error("Could not get system temp path");
diff --git a/src/strptime.cpp b/src/strptime.cpp
index b232898..630c792 100644
--- a/src/strptime.cpp
+++ b/src/strptime.cpp
@@ -27,6 +27,7 @@ static int date_get_num(const char **pp,
     return val;
 }
 
+#ifndef __APPLE__
 /* small strptime for ffmpeg */
 const char *strptime(const char *p, const char *fmt, struct tm *dt)
 {
@@ -95,4 +96,5 @@ const char *strptime(const char *p, const char *fmt, struct tm *dt)
         }
     }
     return p;
-}
\ No newline at end of file
+}
+#endif
\ No newline at end of file