func (g *GenRule) Hash() []byte {
h := sha1.New()
io.WriteString(h, g.Name)
util.HashStrings(h, g.Commands)
util.HashStrings(h, os.Environ())
return []byte{}
}
func (cb *CBin) Hash() []byte {
h := sha1.New()
io.WriteString(h, CCVersion)
io.WriteString(h, cb.Name)
util.HashFilesWithExt(h, cb.Includes, ".h")
util.HashFiles(h, []string(cb.Sources))
util.HashStrings(h, cb.CompilerOptions)
util.HashStrings(h, cb.LinkerOptions)
return h.Sum(nil)
}
func (y *Yacc) Hash() []byte {
h := sha1.New()
io.WriteString(h, YaccVersion)
io.WriteString(h, y.Name)
util.HashFiles(h, y.Sources)
util.HashStrings(h, y.YaccOptions)
return h.Sum(nil)
}
func (mp *ManPage) Hash() []byte {
h := sha1.New()
io.WriteString(h, mp.Name)
util.HashFiles(h, mp.Sources)
util.HashStrings(h, os.Environ())
return []byte{}
}
func (cl *CLib) Hash() []byte {
h := sha1.New()
io.WriteString(h, CCVersion)
io.WriteString(h, cl.Name)
util.HashFiles(h, cl.Includes)
io.WriteString(h, "clib")
util.HashFiles(h, []string(cl.Sources))
util.HashStrings(h, cl.CompilerOptions)
util.HashStrings(h, cl.LinkerOptions)
if cl.LinkShared {
io.WriteString(h, "shared")
}
if cl.LinkStatic {
io.WriteString(h, "static")
}
return h.Sum(nil)
}
func (k *Config) Hash() []byte {
h := sha1.New()
util.HashFiles(h, k.RamFiles)
util.HashStrings(h, k.Code)
util.HashStrings(h, k.Dev)
util.HashStrings(h, k.Ip)
util.HashStrings(h, k.Link)
util.HashStrings(h, k.Sd)
util.HashStrings(h, k.Uart)
util.HashStrings(h, k.VGA)
io.WriteString(h, k.Name)
return h.Sum(nil)
}
func (n *Node) HashNode() []byte {
// node hashes should not change after a build,
// they should be deterministic, therefore they should and can be cached.
if len(n.hash) > 0 {
return n.hash
}
h := sha1.New()
h.Write(n.Target.Hash())
util.HashStrings(h, n.Target.GetDependencies())
var bn ByName
for _, e := range n.Children {
bn = append(bn, e)
}
sort.Sort(bn)
for _, e := range bn {
h.Write(e.HashNode())
}
n.hash = h.Sum(nil)
return n.hash
}
