Fix S3TC compilation on Linux.

src/GLES2/libEGL/libEGL.cpp

@@ -738,7 +738,7 @@ EGLBoolean EGLAPIENTRY eglSwapInterval(EGLDisplay dpy, EGLint interval)
         {
             return error(EGL_BAD_SURFACE, EGL_FALSE);
         }
-        
+
         draw_surface->setSwapInterval(interval);
 
         return success(EGL_TRUE);
@@ -1026,7 +1026,7 @@ EGLBoolean EGLAPIENTRY eglSwapBuffers(EGLDisplay dpy, EGLSurface surface)
         }
 
         eglSurface->swap();
-        
+
         return success(EGL_TRUE);
     }
     catch(std::bad_alloc&)
@@ -1127,7 +1127,7 @@ EGLImageKHR EGLAPIENTRY eglCreateImageKHR(EGLDisplay dpy, EGLContext ctx, EGLenu
             return error(EGL_BAD_MATCH, EGL_NO_IMAGE_KHR);
         }
 
-        GLuint name = (GLuint)buffer;
+        GLuint name = reinterpret_cast<intptr_t>(buffer);
 
         if(name == 0)
         {

src/Main/Config.hpp

@@ -16,7 +16,11 @@
 
 #define PERF_HUD 0       // Display time spent on vertex, setup and pixel processing for each thread
 #define PERF_PROFILE 0   // Profile various pipeline stages and display the timing in SwiftConfig
-#define S3TC_SUPPORT (_WIN32)
+#if defined(_WIN32)
+#define S3TC_SUPPORT 1
+#else
+#define S3TC_SUPPORT 0
+#endif
 
 #if PERF_PROFILE
 enum
@@ -50,7 +54,7 @@ struct Profiler
 	int64_t texOperations;
 	int64_t texOperationsTotal;
 	int64_t texOperationsFrame;
-	
+
 	int64_t compressedTex;
 	int64_t compressedTexTotal;
 	int64_t compressedTexFrame;