@@ -58,11 +58,11 @@
 @property (class, readonly, nonatomic) bool supportsSHAExtensions;
 # endif
 # if defined(OF_POWERPC) || defined(OF_POWERPC64) || defined(DOXYGEN)
 @property (class, readonly, nonatomic) bool supportsAltiVec;
 # endif
-# ifdef OF_WINDOWS
+# if defined(OF_WINDOWS) || defined(DOXYGEN)
 @property (class, readonly, nonatomic, getter=isWindowsNT) bool windowsNT;
 # endif
 #endif
 
 /**
@@ -315,11 +315,11 @@
  * @return Whether the CPU supports Intel SHA Extensions
  */
 + (bool)supportsSHAExtensions;
 #endif
 
-#if defined(OF_POWERPC) || defined(OF_POWERPC64)
+#if defined(OF_POWERPC) || defined(OF_POWERPC64) || defined(DOXYGEN)
 /**
  * @brief Returns whether the CPU and OS support AltiVec.
  *
  * @note This method is only available on PowerPC and PowerPC 64.
  *
@@ -326,11 +326,11 @@
  * @return Whether the CPU and OS support AltiVec
  */
 + (bool)supportsAltiVec;
 #endif
 
-#ifdef OF_WINDOWS
+#if defined(OF_WINDOWS) || defined(DOXYGEN)
 /**
  * @brief Returns whether the application is running on Windows NT.
  *
  * @note This method is only available on Windows.
  *