Build for Solaris

cmd/syncthing/upgrade.go

@@ -2,6 +2,8 @@
 // Use of this source code is governed by an MIT-style license that can be
 // found in the LICENSE file.
 
+// +build !solaris
+
 package main
 
 import (

cmd/syncthing/upgrade_solaris.go

@@ -0,0 +1,7 @@
+package main
+
+import "errors"
+
+func upgrade() error {
+	return errors.New("Upgrade currently unsupported on Solaris")
+}