[issue45373] ./configure --enable-optimizations should enable LTO

[STINNER Victor]

STINNER Victor <vstinner at python.org> added the comment:

Pablo:
> IIRC activating lto is specially annoying on MacOS due to the need of some llvm components that are a bit hard to get. Let me dig a bit to see if I reproduce the problem

Ah, I guess that you are referring to this requirement:
"The C compiler Clang requires llvm-ar for LTO (ar on macOS), as well as an LTO-aware linker (ld.gold or lld)."
https://docs.python.org/dev/using/configure.html#cmdoption-with-lto

Maybe configure can enable LTO on all platforms but macOS.

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