make X-IvAp compiling on Linux again + port patches made for IVAO already to OpenSource version

src/XOGLUtils.cpp

@@ -125,7 +125,7 @@ bool	OGL_UtilsInit()
 	{
 		// Initialize all OGL Function Pointers
 #if APL
-		//glBindBufferARB 		 = (PFNGLBINDBUFFERARBPROC)			 wglGetProcAddress("glBindBufferARB"		 );
+//		glBindBufferARB 		 = (PFNGLBINDBUFFERARBPROC)			 wglGetProcAddress("glBindBufferARB"		 );
 #endif		
 #if IBM		
 		glBindBufferARB			 = (PFNGLBINDBUFFERARBPROC)			 wglGetProcAddress("glBindBufferARB"		);

src/XOGLUtils.h

@@ -28,7 +28,7 @@
 	#include <windows.h>
 	#include <GL/gl.h>
 	#include <GL/glu.h>
-	#include <GL/glext.h>
+	#include <gl/glext.h>
 #elif LIN
 	#define GLX_GLXEXT_PROTOTYPES
 	#define GL_GLEXT_PROTOTYPES
@@ -37,14 +37,15 @@
 	#include <GL/glext.h>
 	#include <GL/glx.h>
 #elif APL
+
 	#include <OpenGL/gl.h>
 	#include <OpenGL/glu.h>
 	#include <OpenGL/glext.h>
-#endif
+     #endif
 
-#if LIN
+	#if LIN
 	#define GLX_GLXEXT_PROTOTYPES
-#endif
+	#endif
 
 // Open GL Extension Defintion
 #if APL
@@ -61,6 +62,9 @@ typedef void (APIENTRY * PFNGLCLIENTACTIVETEXTUREARBPROC )	(GLenum);
 typedef void (APIENTRY * PFNGLMULTITEXCOORD2FARBPROC )		(GLenum, GLfloat, GLfloat);
 typedef void (APIENTRY * PFNGLMULTITEXCOORD2FVARBPROC)		(GLenum, const GLfloat *);
 
+#if APL
+//extern PFNGLBINDBUFFERARBPROC			glBindBufferARB;
+#endif
 #if IBM
 extern PFNGLBINDBUFFERARBPROC			glBindBufferARB;
 extern PFNGLMULTITEXCOORD2FARBPROC		glMultiTexCoord2fARB;

src/XObjDefs.cpp

@@ -21,6 +21,7 @@
  *
  */
 #include "XObjDefs.h"
+#include <string.h>
 
 cmd_info	gCmds[] = {
 
@@ -81,4 +82,4 @@ int	FindIndexForCmd(int inCmd)
 		++n;
 	}
 	return 0;
-}
+}

src/XObjReadWrite.cpp

@@ -24,6 +24,7 @@
 #include "XObjDefs.h"
 #include "XUtils.h"
 #include <stdio.h>
+#include <stdlib.h>
 
 #if APL
 	#define CRLF	"\r"

src/XPMPMultiplayerCSL.cpp

@@ -29,6 +29,8 @@
 #include <algorithm>
 #include "PlatformUtils.h"
 
+#include <string.h>
+
 using std::max;
 
 #if APL

src/XUtils.cpp

@@ -22,6 +22,7 @@
  */
 #include "XUtils.h"
 #include <stdio.h>
+#include <string.h>
 #include <ctype.h>
 #include "XObjDefs.h"
 #include <stdlib.h>