homebrew-core/Formula/luajit.rb

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require 'formula'
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class Luajit < Formula
homepage 'http://luajit.org/luajit.html'
url 'http://luajit.org/download/LuaJIT-2.0.0-beta10.tar.gz'
sha1 '560d06621ea616bea1d67867faa235d608040396'
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head 'http://luajit.org/git/luajit-2.0.git'
# Skip cleaning both empty folders and bin/libs so external symbols still work.
skip_clean :all
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option "enable-debug", "Build with debugging symbols"
def install
# 1 - Remove the '-O2' so we can set Og if needed. Leave the -fomit part.
# 2 - Override the hardcoded gcc.
# 3 - Remove the '-march=i686' so we can set the march in cflags.
# All three changes should persist and were discussed upstream.
inreplace 'src/Makefile' do |f|
f.change_make_var! 'CCOPT', '-fomit-frame-pointer'
f.change_make_var! 'CC', ENV.cc
f.change_make_var! 'CCOPT_X86', ''
end
ENV.O2 # Respect the developer's choice.
args = [ "PREFIX=#{prefix}" ]
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if build.include? 'enable-debug' then
ENV.Og if ENV.compiler == :clang
args << 'CCDEBUG=-g'
end
bldargs = args
bldargs << 'amalg'
system 'make', *bldargs
args << 'install'
system 'make', *args # Build requires args during install
# Non-versioned symlink
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if build.head?
version = "2.0.0-beta10"
else
version = @version
end
ln_s bin+"luajit-#{version}", bin+"luajit"
end
end