Version v4.0 release

CHANGELOG

@@ -1,3 +1,7 @@
+Jan 8, 2016: Version v4.0
+  - Improved search depth on typical time controls.
+  - Many more optimizations and position evaluation tweaks.
+
 Oct 26, 2015: Version v3.1
   - Fine-tuned internal evaluation parameters and weights.
   - Updated mobility evaluation to take into account pinned pieces.

Makefile

@@ -2,12 +2,12 @@
 # Use of this source code is governed by a MIT-style license that can
 # be found in the LICENSE file.
 
-VERSION = 4.0rc1
+VERSION = 4.0
 GOFLAGS = -gcflags -B
 PACKAGE = github.com/michaeldv/donna/cmd/donna
 
 build:
-	go build -x $(GOFLAGS) $(PACKAGE)
+	go build -x -o ./bin/donna $(GOFLAGS) $(PACKAGE)
 
 install:
 	go install -x $(GOFLAGS) $(PACKAGE)

README

@@ -70,7 +70,7 @@ BUILDING FROM SOURCE
    http://golang.org/dl/). From Donna source directory run "make" or "go build"
    command:
 
-   $ go build -gcflags -B ./cmd/donna.go
+   $ go build -o ./bin/donna -gcflags -B github.com/michaeldv/donna/cmd/donna
 
 USING DONNA
 
@@ -79,7 +79,7 @@ USING DONNA
    play against it in interactive mode:
 
    $ ./donna -i
-   Donna v3.1 Copyright (c) 2014-2016 by Michael Dvorkin. All Rights Reserved.
+   Donna v4.0 Copyright (c) 2014-2016 by Michael Dvorkin. All Rights Reserved.
    Type ? for help.
 
    donna>

data.go

@@ -18,7 +18,7 @@ import `regexp`
 //                                      -― FORTRAN manual for Xerox Computers
 
 // Your chess engine hates you when you are working on a new version.
-const Version = `v4.0rc1`
+const Version = `4.0`
 
 // Limits and conventions.
 const (