Unsupported type: 'CX_TypeClass_MemberPointer'

[rubo]

I'm getting an error when trying to generate bindings for options.h:

Unsupported type: 'CX_TypeClass_MemberPointer'

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Error (Line 80, Column 30 in /../lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/std_function.h): Unsupported type: 'CX_TypeClass_MemberPointer'.

I'm trying to generate bindings for c.h, but it doesn't generate struct members. Adding -t options.h makes things worse, ending up with no bindings at all.

Do I miss something?