From 28ada8896b76d620240bafc22aa395071d601482 Mon Sep 17 00:00:00 2001 From: Alex Kube Date: Wed, 23 Oct 2019 21:15:37 +0430 Subject: [PATCH 3/9] cmd/go: Allow GOTOOLDIR to be overridden in the environment to allow for split host/target build roots Adapted to Go 1.13 from patches originally submitted to the meta/recipes-devtools/go tree by Matt Madison . Upstream-Status: Inappropriate [OE specific] Signed-off-by: Alexander J Kube --- src/cmd/dist/build.go | 4 +++- src/cmd/go/internal/cfg/cfg.go | 6 +++++- 2 files changed, 8 insertions(+), 2 deletions(-) --- a/src/cmd/dist/build.go +++ b/src/cmd/dist/build.go @@ -246,7 +246,9 @@ func xinit() { workdir = xworkdir() xatexit(rmworkdir) - tooldir = pathf("%s/pkg/tool/%s_%s", goroot, gohostos, gohostarch) + if tooldir = os.Getenv("GOTOOLDIR"); tooldir == "" { + tooldir = pathf("%s/pkg/tool/%s_%s", goroot, gohostos, gohostarch) + } } // compilerEnv returns a map from "goos/goarch" to the --- a/src/cmd/go/internal/cfg/cfg.go +++ b/src/cmd/go/internal/cfg/cfg.go @@ -64,7 +64,11 @@ func defaultContext() build.Context { // variables. This matches the initialization of ToolDir in // go/build, except for using ctxt.GOROOT rather than // runtime.GOROOT. - build.ToolDir = filepath.Join(ctxt.GOROOT, "pkg/tool/"+runtime.GOOS+"_"+runtime.GOARCH) + if s := os.Getenv("GOTOOLDIR"); s != "" { + build.ToolDir = filepath.Clean(s) + } else { + build.ToolDir = filepath.Join(ctxt.GOROOT, "pkg/tool/"+runtime.GOOS+"_"+runtime.GOARCH) + } } ctxt.GOPATH = envOr("GOPATH", ctxt.GOPATH)