Add solaris build support

Signed-off-by: Edward Pilatowicz <edward.pilatowicz@oracle.com>

cmd/containerd/builtins_unix.go

@@ -1,4 +1,4 @@
-// +build darwin freebsd
+// +build darwin freebsd solaris
 
 package main
 

cmd/containerd/config_solaris.go

@@ -0,0 +1,18 @@
+// +build solaris
+
+package main
+
+import "github.com/containerd/containerd/server"
+
+func defaultConfig() *server.Config {
+	return &server.Config{
+		Root: "/var/lib/containerd",
+		GRPC: server.GRPCConfig{
+			Address: server.DefaultAddress,
+		},
+		Debug: server.Debug{
+			Level:   "info",
+			Address: server.DefaultDebugAddress,
+		},
+	}
+}

cmd/containerd/config_unsupported.go

@@ -1,4 +1,4 @@
-// +build !linux,!windows
+// +build !linux,!windows,!solaris
 
 package main
 

cmd/containerd/main_unix.go

@@ -1,4 +1,4 @@
-// +build darwin freebsd
+// +build darwin freebsd solaris
 
 package main
 

cmd/ctr/signals_unix.go

@@ -1,4 +1,4 @@
-// +build darwin freebsd
+// +build darwin freebsd solaris
 
 package main