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build: work around CGO linker bug on pre-1.8 Go

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Péter Szilágyi 2017-01-26 16:41:32 +02:00
parent ac2a0e615b
commit e0fb4d1da9
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1 changed files with 8 additions and 0 deletions
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8
build/ci.go
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@ -236,6 +236,14 @@ func goToolArch(arch string, subcmd string, args ...string) *exec.Cmd {
gocmd := filepath.Join(runtime.GOROOT(), "bin", "go")
cmd := exec.Command(gocmd, subcmd)
cmd.Args = append(cmd.Args, args...)
if subcmd == "build" || subcmd == "install" || subcmd == "test" {
// Go CGO has a Windows linker error prior to 1.8 (https://github.com/golang/go/issues/8756).
// Work around issue by allowing multiple definitions for <1.8 builds.
if runtime.GOOS == "windows" && runtime.Version() < "go1.8" {
cmd.Args = append(cmd.Args, []string{"-ldflags", "-extldflags -Wl,--allow-multiple-definition"}...)
}
}
cmd.Env = []string{
"GO15VENDOREXPERIMENT=1",
"GOPATH=" + build.GOPATH(),