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require 'formula'
class Go < Formula
homepage 'http://golang.org'
head 'https://go.googlesource.com/go', :using => :git
url 'https://storage.googleapis.com/golang/go1.4.src.tar.gz'
version '1.4'
sha1 '6a7d9bd90550ae1e164d7803b3e945dc8309252b'
bottle do
sha1 "33aa691a93a3c9aa40334e3ce6daa49420696fe4" => :yosemite
sha1 "9fa24700a5187fd8272178bd731fb3f9aa485188" => :mavericks
sha1 "359fe25e6755c2362d619c01363a7f80ec59efca" => :mountain_lion
end
option 'cross-compile-all', "Build the cross-compilers and runtime support for all supported platforms"
option 'cross-compile-common', "Build the cross-compilers and runtime support for darwin, linux and windows"
option 'without-cgo', "Build without cgo"
def install
# host platform (darwin) must come last in the targets list
if build.include? 'cross-compile-all'
targets = [
['linux', ['386', 'amd64', 'arm']],
['freebsd', ['386', 'amd64', 'arm']],
['netbsd', ['386', 'amd64', 'arm']],
['openbsd', ['386', 'amd64']],
['windows', ['386', 'amd64']],
['dragonfly', ['386', 'amd64']],
['plan9', ['386', 'amd64']],
['solaris', ['amd64']],
['darwin', ['386', 'amd64']],
]
elsif build.include? 'cross-compile-common'
targets = [
['linux', ['386', 'amd64', 'arm']],
['windows', ['386', 'amd64']],
['darwin', ['386', 'amd64']],
]
else
targets = [['darwin', ['']]]
end
# The version check is due to:
# http://codereview.appspot.com/5654068
(buildpath/'VERSION').write('default') if build.head?
cd 'src' do
targets.each do |os, archs|
cgo_enabled = os == 'darwin' && build.with?('cgo') ? "1" : "0"
archs.each do |arch|
ENV['GOROOT_FINAL'] = libexec
ENV['GOOS'] = os
ENV['GOARCH'] = arch
ENV['CGO_ENABLED'] = cgo_enabled
system "./make.bash", "--no-clean"
end
end
end
(buildpath/'pkg/obj').rmtree
libexec.install Dir['*']
bin.install_symlink Dir["#{libexec}/bin/go*"]
end
def caveats; <<-EOS.undent
As of go 1.2, a valid GOPATH is required to use the `go get` command:
http://golang.org/doc/code.html#GOPATH
`go vet` and `go doc` are now part of the go.tools sub repo:
http://golang.org/doc/go1.2#go_tools_godoc
To get `go vet` and `go doc` run:
go get golang.org/x/tools/cmd/vet
go get golang.org/x/tools/cmd/godoc
You may wish to add the GOROOT-based install location to your PATH:
export PATH=$PATH:#{opt_libexec}/bin
EOS
end
test do
(testpath/'hello.go').write <<-EOS.undent
package main
import "fmt"
func main() {
fmt.Println("Hello World")
}
EOS
# Run go fmt check for no errors then run the program.
# This is a a bare minimum of go working as it uses fmt, build, and run.
system "#{bin}/go", "fmt", "hello.go"
assert_equal "Hello World\n", `#{bin}/go run hello.go`
end
end
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