We have one wrapper file around the fuzzing engine (src/test/fuzz/fuzz.cpp), so that fuzz tests can be written independent of the engine. This file is compiled for each fuzz target (harness), so with currently more than 114 fuzz targets this is quite an overhead. All the wrapper does is provide the main function for the fuzz target.

I am not sure, but I believe the main function can also be provided by a library. Moving this file to a library would also compile it only once, thus speeding up compilation of the fuzz tests.

This issue can probably be solved similar to #17542

Useful skills:

• Background in the autotools build system

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