Successful Debug Build, but got Errors during Release Build

[C++ Programming]

Hi There.

I am using sone 3rd party libraries and am able to successfully Debug build my application.
Now, when I try to Release build the same piece of code, I am getting below error messages. Let me list few of them...

error C2146: syntax error : missing ';' before identifier 'HOPTIONSET'
error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
error C4430: missing type specifier - int assumed. Note: C++ does not support default-int
error C2065: 'VWCALLBACKPROC' : undeclared identifier
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......................................So On....

Please provide some pointers/suggestions for the same.

Thanks
PanB