(C++) Multithreaded RTL must be selected

 

Compile error.

 

 

 

 

 

Full error message

 

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[C++ Fatal Error] push_options.hpp(58): F1003 Error directive: Multithreaded RTL must be selected.

 

 

 

 

 

Cause

 

• IDE: C++ Builder 6.0
• Compiler: Borland BCC32.EXE version 6.0.10.157
• Boost version: 1.35.0.

 

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#include <boost/asio.hpp>

 

 

 

 

 

Solution

 

You must enable multi-thread applications:

 

1. 'File | Close All'
2. 'File | New | Other'
3. Select 'Console Wizard'
4. Check 'Multi-threaded'