How to compile Bear 3.1.5 in Ubuntu 24 to support 32-bit compilation environment ?

[Mr-LJP]

Describe the bug
To develop embedded software, the compilation environment requires compiling 32-bit programs and using Bear 3.1.5.
I don't know how to compile the corresponding version using source code?
Previously compiled using the source code of Bear 2.4.3, it can be used normally.
Compilation options:- DCMAKE_COMPILER_ARG1="- m32" ， Testing is invalid for Bear v3.1.5 source code.

Environment:
Ubuntu 24.04.1

Can you tell me about make compilation for 32-bit programs, How to compile the corresponding bear and libear. so for Bear V3.1.5 source code?