make package docker/pkg/platform support darwin

allencloud · allencloud · commit e18296f4f065 · 2016-05-26T11:10:29.000+08:00
Signed-off-by: allencloud &lt;allen.sun@daocloud.io&gt;
diff --git a/pkg/platform/architecture_unix.go b/pkg/platform/architecture_unix.go
@@ -1,13 +1,15 @@
-// +build freebsd solaris
+// +build freebsd solaris darwin
 
+// Package platform provides helper function to get the runtime architecture
+// for different platforms.
 package platform
 
 import (
 	"os/exec"
 	"strings"
 )
 
-// runtimeArchitecture get the name of the current architecture (i86pc, sun4v)
+// runtimeArchitecture gets the name of the current architecture (x86, x86_64, i86pc, sun4v, ...)
 func runtimeArchitecture() (string, error) {
 	cmd := exec.Command("/usr/bin/uname", "-m")
 	machine, err := cmd.Output()
