Add a Makefile in place of all.bash. Update docs to reflect

this change.

R=rsc
CC=golang-dev
https://golang.org/cl/171048

doc/code.html

@@ -130,8 +130,8 @@ cd $GOROOT/src/pkg
 </pre>
 <p>
 to update the dependency file <code>Make.deps</code>.
-(This happens automatically each time you run <code>all.bash</code>
-or <code>make.bash</code>.)
+(This happens automatically each time you run <code>make all</code>
+or <code>make build</code>.)
 </p>
 
 <p>

doc/contribute.html

@@ -21,11 +21,11 @@ tree to make sure the changes don't break other packages or programs:
 
 <pre>
 cd $GOROOT/src
-./all.bash
+make all
 </pre>
 
 <p>
-The final line printed by <code>all.bash</code> should be of the form:
+The final line printed by <code>make all</code> should be of the form:
 </p>
 
 <pre>

doc/install.html

@@ -211,11 +211,11 @@ is in your <code>$PATH</code> and then run
 
 <pre>
 $ cd $GOROOT/src
-$ ./all.bash
+$ make all
 </pre>
 
 <p>
-If <code>all.bash</code> goes well, it will finish by printing
+If <code>make all</code> goes well, it will finish by printing
 </p>
 
 <pre>

src/Makefile

@@ -0,0 +1,11 @@
+all: build run
+
+build:
+	bash $(GOROOT)/src/make.bash
+
+run:
+	bash $(GOROOT)/src/run.bash
+
+clean:
+	bash $(GOROOT)/src/clean.bash
+

src/all.bash

@@ -1,8 +1,3 @@
-#!/usr/bin/env bash
-# Copyright 2009 The Go Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style
-# license that can be found in the LICENSE file.
+#!/bin/sh
+exec make all
 
-set -e
-bash make.bash
-bash run.bash