if InstallTargetDir(p) == ToTool {
			// This is for 'go tool'.
			// Override all the usual logic and force it into the tool directory.
			if cfg.BuildToolchainName == "gccgo" {
				p.Target = filepath.Join(build.ToolDir, elem)
			} else {
				p.Target = filepath.Join(cfg.GOROOTpkg, "tool", full)
			}
		}
	} else if p.Internal.Local {
		// Local import turned into absolute path.
		// No permanent install target.