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Merge pull request #12482 from Bo98/zero_ar_date

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ENV/super: enable deterministic archive generation
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Bo Anderson 2021-11-26 23:37:43 +00:00 committed by GitHub
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Library/Homebrew/extend/os/mac/extend/ENV/super.rb
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@ -127,6 +127,12 @@ module Superenv
# The tools in /usr/bin proxy to the active developer directory. # The tools in /usr/bin proxy to the active developer directory.
# This means we can use them for any combination of CLT and Xcode. # This means we can use them for any combination of CLT and Xcode.
self["HOMEBREW_PREFER_CLT_PROXIES"] = "1" self["HOMEBREW_PREFER_CLT_PROXIES"] = "1"
# Deterministic timestamping.
# This can work on older Xcode versions, but they contain some bugs.
# Notably, Xcode 10.2 fixes issues where ZERO_AR_DATE affected file mtimes.
# Xcode 11.0 contains fixes for lldb reading things built with ZERO_AR_DATE.
self["ZERO_AR_DATE"] = "1" if MacOS::Xcode.version >= "11.0" || MacOS::CLT.version >= "11.0"
end end
def no_weak_imports def no_weak_imports