From fc4f69a1470573f49327e2a3f69348ae5216271d Mon Sep 17 00:00:00 2001
From: Mikhail Sobolev <mss@mawhrin.net>
Date: Mon, 25 Mar 2013 23:48:46 +0200
Subject: [PATCH] introduce top-level Makefile to build the docker binary
 Upstream-commit: 7009d6c6ddc2acc77e7caa227c08ecf29d747298 Component: engine

---
 components/engine/.gitignore |  1 +
 components/engine/Makefile   | 33 +++++++++++++++++++++++++++++++++
 components/engine/README.md  | 16 ++++++++++++++++
 3 files changed, 50 insertions(+)
 create mode 100644 components/engine/Makefile

diff --git a/components/engine/.gitignore b/components/engine/.gitignore
index cabd399067..809fa8e268 100644
--- a/components/engine/.gitignore
+++ b/components/engine/.gitignore
@@ -9,3 +9,4 @@ command-line-arguments.test
 .flymake*
 docker.test
 auth/auth.test
+build/
diff --git a/components/engine/Makefile b/components/engine/Makefile
new file mode 100644
index 0000000000..82cbb2286d
--- /dev/null
+++ b/components/engine/Makefile
@@ -0,0 +1,33 @@
+DOCKER_PACKAGE := github.com/dotcloud/docker
+
+BUILD_DIR := $(CURDIR)/build
+
+GOPATH ?= $(BUILD_DIR)
+export GOPATH
+
+SRC_DIR := $(GOPATH)/src
+
+DOCKER_DIR := $(SRC_DIR)/$(DOCKER_PACKAGE)
+DOCKER_MAIN := $(DOCKER_DIR)/docker
+
+DOCKER_BIN := $(CURDIR)/bin/docker
+
+.PHONY: all clean
+
+all: $(DOCKER_BIN)
+
+$(DOCKER_BIN): $(DOCKER_DIR)
+	@mkdir -p  $(dir $@)
+	(cd $(DOCKER_MAIN); go get; go build -o $@)
+
+$(DOCKER_DIR):
+	@mkdir -p $(dir $@)
+	@ln -sf $(CURDIR)/ $@
+
+clean:
+	@rm -rf $(dir $(DOCKER_BIN))
+ifeq ($(GOPATH), $(BUILD_DIR))
+	@rm -rf $(BUILD_DIR)
+else ifneq ($(DOCKER_DIR), $(realpath $(DOCKER_DIR)))
+	@rm -f $(DOCKER_DIR)
+endif
diff --git a/components/engine/README.md b/components/engine/README.md
index c955a1dcf2..0ff28ec101 100644
--- a/components/engine/README.md
+++ b/components/engine/README.md
@@ -53,6 +53,22 @@ Under the hood, Docker is built on the following components:
 Install instructions
 ==================
 
+Building from source
+--------------------
+
+1. Make sure you have a [Go language](http://golang.org) compiler.
+
+    On a Debian/wheezy or Ubuntu 12.10 install the package:
+
+    ```bash
+
+    $ sudo apt-get install golang-go
+    ```
+
+2. Execute ``make``
+
+3. Find your binary in ``bin/docker``
+
 Installing on Ubuntu 12.04 and 12.10
 ------------------------------------