workaround.hpp in passenger-6.0.15

- old
+ new

@@ -43,13 +43,13 @@
 
 #if defined(BOOST_INTRUSIVE_DISABLE_FORCEINLINE)
    #define BOOST_INTRUSIVE_FORCEINLINE inline
 #elif defined(BOOST_INTRUSIVE_FORCEINLINE_IS_BOOST_FORCELINE)
    #define BOOST_INTRUSIVE_FORCEINLINE BOOST_FORCEINLINE
-#elif defined(BOOST_MSVC) && defined(_DEBUG)
-   //"__forceinline" and MSVC seems to have some bugs in debug mode
+#elif defined(BOOST_MSVC) && (_MSC_VER < 1900 || defined(_DEBUG))
+   //"__forceinline" and MSVC seems to have some bugs in old versions and in debug mode
    #define BOOST_INTRUSIVE_FORCEINLINE inline
-#elif defined(__GNUC__) && ((__GNUC__ < 4) || (__GNUC__ == 4 && (__GNUC_MINOR__ < 5)))
+#elif defined(BOOST_GCC) && (__GNUC__ <= 5)
    //Older GCCs have problems with forceinline
    #define BOOST_INTRUSIVE_FORCEINLINE inline
 #else
    #define BOOST_INTRUSIVE_FORCEINLINE BOOST_FORCEINLINE
 #endif