Compatibility and performance fixes for Makefile - Githubissues

critter-mj / akochan

Artificial Intelligence for Japanese mahjong

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Compatibility and performance fixes for Makefile #19

Closed hguandl closed 2 years ago

hguandl commented 2 years ago

Performance improvement (d79b1f9c40271c767528d7ad38a5f15d9e0d71df)

Use simple assignment (:= instead of =) to avoid repeated shell commands.
About how it works: Makefile Optimization: $(shell) and := go Together.

CPU flags on Apple Silicon (249ad997cf1448eafe59d305eb91f6225b4c4ceb)

-march=native does not work on Apple M1; use -mcpu=apple-m1 instead.
Reference: Why does march=native not work on Apple M1?.
My device is an MacBook Pro 13'' with Apple M1. This fix worked for me.