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This commit is contained in:
Tokarak 2023-06-17 10:51:48 +01:00
parent 9a19f5bcd2
commit 73c339d82b
1 changed files with 4 additions and 6 deletions
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10
Library/Homebrew/hardware.rb
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@ -41,8 +41,10 @@ module Hardware
end
alias generic_optimization_flags optimization_flags
# Only give values where it is an improvement over rust cpu defaults
# Rust already defaults to the oldest supported cpu for each target-triple
# Including apple-m1 since Rust 1.71 for aarch64-apple-darwin.
def rust_optimisation_flags
# Only give values where it is an improvement over rust cpu defaults
@rust_optimisation_flags ||= {
native: "-Ctarget-cpu=native",
nehalem: "-Ctarget-cpu=nehalem",
@ -224,11 +226,7 @@ module Hardware
alias generic_oldest_cpu oldest_cpu
# Returns a _full_ rustflag to set target cpu, if necessary;
# Falls back to empty string
# This mirrors the logic of `oldest_cpu`,
# But only where it is version dependent.
# Rust already defaults to the oldest supported cpu for the target-triple
# Including apple-m1 since 1.71.
# Defaults to empty string
sig { returns(String) }
def rustflags_target_cpu
CPU.rust_optimisation_flags.fetch(oldest_cpu, "")