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--export_all_vtbl, --no_export_all_vtbl
Controls how dynamic symbols are exported in C++.
Mode
This option is effective only if the source language is C++.
Default
The default is --no_export_all_vtbl.
Usage
Use the option --export_all_vtbl to export all
virtual function tables and RTTI for classes with a key function.
A key function is the first virtual function
of a class, in declaration order, that is not inline, and is not
pure virtual.
Note
You can disable export for specific classes by using __declspec(notshared).