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nixpkgs/pkgs/development/compilers/go/remove-tools-1.9.patch

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2017-09-05 21:24:41 +01:00
diff --git a/src/go/build/build.go b/src/go/build/build.go
index d8163d0172..dd80a70473 100644
--- a/src/go/build/build.go
+++ b/src/go/build/build.go
@@ -1592,7 +1592,7 @@ func init() {
}
// ToolDir is the directory containing build tools.
-var ToolDir = filepath.Join(runtime.GOROOT(), "pkg/tool/"+runtime.GOOS+"_"+runtime.GOARCH)
+var ToolDir = runtime.GOTOOLDIR()
// IsLocalImport reports whether the import path is
// a local import path, like ".", "..", "./foo", or "../foo".
diff --git a/src/runtime/extern.go b/src/runtime/extern.go
index 6e6c674d96..e9f62f96dc 100644
--- a/src/runtime/extern.go
+++ b/src/runtime/extern.go
@@ -223,6 +223,17 @@ func GOROOT() string {
return sys.DefaultGoroot
}
+// GOTOOLDIR returns the root of the Go tree.
+// It uses the GOTOOLDIR environment variable, if set,
+// or else the root used during the Go build.
+func GOTOOLDIR() string {
+ s := gogetenv("GOTOOLDIR")
+ if s != "" {
+ return s
+ }
+ return GOROOT() + "/pkg/tool/" + GOOS + "_" + GOARCH
+}
+
// Version returns the Go tree's version string.
// It is either the commit hash and date at the time of the build or,
// when possible, a release tag like "go1.3".