go: allow building the cross-compilers
When the `--cross-compile` option is used the following runtimes will be build: - darwin (386, amd64; with CGO) - linux (386, amd64, arm) - freebsd (386, amd64) - openbsd (386, amd64) - plan9 (386) - windows (386, amd64) Closes Homebrew/homebrew#12547. Signed-off-by: Adam Vandenberg <flangy@gmail.com>master
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@ -10,28 +10,69 @@ class Go < Formula
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skip_clean 'bin'
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option 'cross-compile-all', "Build the cross-compilers and runtime support for all supported platforms"
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option 'cross-compile-common', "Build the cross-compilers and runtime support for darwin, linux and windows"
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def install
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# install the completion script
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(prefix/'etc/bash_completion.d').install 'misc/bash/go' => 'go-completion.bash'
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prefix.install Dir['*']
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if build.include? 'cross-compile-all'
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targets = [
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['darwin', ['386', 'amd64'], { :cgo => true }],
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['linux', ['386', 'amd64', 'arm'], { :cgo => false }],
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['freebsd', ['386', 'amd64'], { :cgo => false }],
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# image/jpeg fails to build
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#['netbsd', ['386', 'amd64'], { :cgo => false }],
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['openbsd', ['386', 'amd64'], { :cgo => false }],
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['plan9', ['386'], { :cgo => false }],
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['windows', ['386', 'amd64'], { :cgo => false }],
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]
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elsif build.include? 'cross-compile-common'
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targets = [
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['darwin', ['386', 'amd64'], { :cgo => true }],
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['linux', ['386', 'amd64', 'arm'], { :cgo => false }],
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['windows', ['386', 'amd64'], { :cgo => false }],
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]
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else
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targets = [
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['darwin', [''], { :cgo => true }]
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]
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end
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cd prefix do
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# The version check is due to:
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# http://codereview.appspot.com/5654068
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(prefix/'VERSION').write 'default' if build.head?
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'VERSION'.write 'default' if build.head?
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# Build only. Run `brew test go` to run distrib's tests.
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cd 'src' do
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system './make.bash'
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# Build only. Run `brew test go` to run distrib's tests.
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targets.each do |(os, archs, opts)|
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archs.each do |arch|
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ENV['GOROOT_FINAL'] = prefix
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ENV['GOOS'] = os
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ENV['GOARCH'] = arch
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ENV['CGO_ENABLED'] = opts[:cgo] ? "1" : "0"
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allow_fail = opts[:allow_fail] ? "|| true" : ""
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system "./make.bash --no-clean #{allow_fail}"
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end
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end
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end
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# cleanup ENV
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ENV.delete('GOROOT_FINAL')
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ENV.delete('GOOS')
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ENV.delete('GOARCH')
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ENV.delete('CGO_ENABLED')
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Pathname.new('pkg/obj').rmtree
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# Don't install header files; they aren't necessary and can
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# cause problems with other builds. See:
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# http://trac.macports.org/ticket/30203
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# http://code.google.com/p/go/issues/detail?id=2407
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include.rmtree
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prefix.install(Dir['*'] - ['include'])
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end
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def test
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