From f48be61b0ab68d07eb3c03241d796f1fff27983b Mon Sep 17 00:00:00 2001
From: Michael Crosby <michael@docker.com>
Date: Wed, 16 Jul 2014 16:39:15 -0700
Subject: [PATCH] Fix cross compile non cgo and linux systems
 Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@docker.com> (github:
 crosbymichael) Upstream-commit: 7a8ea91392e0cc97caf2a6edc3b262b33a5b446d
 Component: engine

---
 components/engine/daemon/daemon.go                  |  6 +++---
 .../engine/daemon/execdriver/native/create.go       |  2 +-
 .../engine/daemon/execdriver/native/driver.go       |  2 +-
 .../execdriver/native/driver_unsupported_nocgo.go   | 13 +++++++++++++
 components/engine/daemon/execdriver/native/info.go  |  2 +-
 components/engine/daemon/utils_linux.go             | 13 +++++++++++++
 components/engine/daemon/utils_nolinux.go           |  9 +++++++++
 7 files changed, 41 insertions(+), 6 deletions(-)
 create mode 100644 components/engine/daemon/execdriver/native/driver_unsupported_nocgo.go
 create mode 100644 components/engine/daemon/utils_linux.go
 create mode 100644 components/engine/daemon/utils_nolinux.go

diff --git a/components/engine/daemon/daemon.go b/components/engine/daemon/daemon.go
index c45b8b9d32..d3f73f413c 100644
--- a/components/engine/daemon/daemon.go
+++ b/components/engine/daemon/daemon.go
@@ -13,7 +13,6 @@ import (
 	"time"
 
 	"github.com/docker/libcontainer/label"
-	"github.com/docker/libcontainer/selinux"
 	"github.com/dotcloud/docker/archive"
 	"github.com/dotcloud/docker/daemon/execdriver"
 	"github.com/dotcloud/docker/daemon/execdriver/execdrivers"
@@ -300,7 +299,8 @@ func (daemon *Daemon) Destroy(container *Container) error {
 	if err := os.RemoveAll(container.root); err != nil {
 		return fmt.Errorf("Unable to remove filesystem for %v: %v", container.ID, err)
 	}
-	selinux.FreeLxcContexts(container.ProcessLabel)
+
+	selinuxFreeLxcContexts(container.ProcessLabel)
 
 	return nil
 }
@@ -761,7 +761,7 @@ func NewDaemon(config *daemonconfig.Config, eng *engine.Engine) (*Daemon, error)
 
 func NewDaemonFromDirectory(config *daemonconfig.Config, eng *engine.Engine) (*Daemon, error) {
 	if !config.EnableSelinuxSupport {
-		selinux.SetDisabled()
+		selinuxSetDisabled()
 	}
 
 	// Create the root directory if it doesn't exists
diff --git a/components/engine/daemon/execdriver/native/create.go b/components/engine/daemon/execdriver/native/create.go
index a96270d8b3..280ad70a6e 100644
--- a/components/engine/daemon/execdriver/native/create.go
+++ b/components/engine/daemon/execdriver/native/create.go
@@ -1,4 +1,4 @@
-// +build linux
+// +build linux,cgo
 
 package native
 
diff --git a/components/engine/daemon/execdriver/native/driver.go b/components/engine/daemon/execdriver/native/driver.go
index 711f29429a..37c21d6f94 100644
--- a/components/engine/daemon/execdriver/native/driver.go
+++ b/components/engine/daemon/execdriver/native/driver.go
@@ -1,4 +1,4 @@
-// +build linux
+// +build linux,cgo
 
 package native
 
diff --git a/components/engine/daemon/execdriver/native/driver_unsupported_nocgo.go b/components/engine/daemon/execdriver/native/driver_unsupported_nocgo.go
new file mode 100644
index 0000000000..9979099386
--- /dev/null
+++ b/components/engine/daemon/execdriver/native/driver_unsupported_nocgo.go
@@ -0,0 +1,13 @@
+// +build linux,!cgo
+
+package native
+
+import (
+	"fmt"
+
+	"github.com/dotcloud/docker/daemon/execdriver"
+)
+
+func NewDriver(root, initPath string) (execdriver.Driver, error) {
+	return nil, fmt.Errorf("native driver not supported on non-linux")
+}
diff --git a/components/engine/daemon/execdriver/native/info.go b/components/engine/daemon/execdriver/native/info.go
index a27d5640a4..601b97e810 100644
--- a/components/engine/daemon/execdriver/native/info.go
+++ b/components/engine/daemon/execdriver/native/info.go
@@ -1,4 +1,4 @@
-// +build linux
+// +build linux,cgo
 
 package native
 
diff --git a/components/engine/daemon/utils_linux.go b/components/engine/daemon/utils_linux.go
new file mode 100644
index 0000000000..bff2a787b1
--- /dev/null
+++ b/components/engine/daemon/utils_linux.go
@@ -0,0 +1,13 @@
+// +build linux
+
+package daemon
+
+import "github.com/docker/libcontainer/selinux"
+
+func selinuxSetDisabled() {
+	selinux.SetDisabled()
+}
+
+func selinuxFreeLxcContexts(label string) {
+	selinux.FreeLxcContexts(label)
+}
diff --git a/components/engine/daemon/utils_nolinux.go b/components/engine/daemon/utils_nolinux.go
new file mode 100644
index 0000000000..399376dbd4
--- /dev/null
+++ b/components/engine/daemon/utils_nolinux.go
@@ -0,0 +1,9 @@
+// +build !linux
+
+package daemon
+
+func selinuxSetDisabled() {
+}
+
+func selinuxFreeLxcContexts(label string) {
+}