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Directly accept GOARM env var for ARM version

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As GOARCH defaults to 'arm' on arm systems this allows packagers to
specify the arm version by setting the GOARM env var to 5, 6 or 7.
This commit is contained in:
Dominik Heidler 2014-11-30 17:08:43 +01:00
parent a564510c49
commit 59af9809fe
1 changed files with 8 additions and 2 deletions
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10
build.go
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@ -75,8 +75,14 @@ func main() {
case "386", "amd64", "armv5", "armv6", "armv7":
break
case "arm":
log.Println("Invalid goarch \"arm\". Use one of \"armv5\", \"armv6\", \"armv7\".")
log.Fatalln("Note that producing a correct \"armv5\" binary requires a rebuilt stdlib.")
switch os.Getenv("GOARM") {
case "5", "6", "7":
goarch += "v" + os.Getenv("GOARM")
break
default:
log.Println("Invalid goarch \"arm\". Use one of \"armv5\", \"armv6\", \"armv7\".")
log.Fatalln("Note that producing a correct \"armv5\" binary requires a rebuilt stdlib.")
}
default:
log.Printf("Unknown goarch %q; proceed with caution!", goarch)
}