libgccjit 11.3 on homebrew change .so to .dylib makes some breaking changes.

[ccqpein]

I just upgrade libgccjit this morning and one of my build scripts fails after that. Then I notice the libgccjit.so file in /usr/local/opt/libgccjit/lib/gcc/ changed to libgccjit.0.dylib.

Is there a way I can build libgccjit through homebrew and also bring .so back?

[Bo98]

.dylib is the standard library extension on macOS, not .so.

What you are seeing is a consequence of upstream fixing a bug: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100613 (not marked as fixed, but it was in 11.3.0). The dylib extension is correct behaviour and you will see all macOS distributions of libgccjit use it from now on, Homebrew or not.