building the code and unit test

Documentation/README.md

@@ -24,6 +24,6 @@ This is the official documentation for AutoRest.
     - Overview
     - Code Generators
     - Modelers
-6. Building the code
-    - Unit testing
+6. Building
+    - [Code & Unit testing](building-code.md)
 7. Contributing to the code

Documentation/building-code.md

@@ -0,0 +1,38 @@
+
+
+### Pre-requisite
+* Visual Studio 2013 Update 2 is required as the minimum version for AutoRest.
+* To build from command line, Visual Studio Developer Command line needs to be used. It is usually located at "C:\Program Files (x86)\Microsoft Visual Studio 12.0\Common7\Tools\Shortcuts\Developer Command Prompt for VS2013.lnk"
+
+### Build
+##### From Visual Studio
+The ClientRuntime solution supports the following targets:
+* Net40
+* Net45
+* Portable
+
+The targets can be switched manually by selecting the target as follows:
+Build --> ConfigurationManager
+
+##### From Command line
+```
+msbuild build.proj
+```
+
+### UnitTest
+Tests can always be executed from Test Explorer in VisualStudio
+
+##### Running tests from Command line
+```
+msbuild build.proj /t:build;test
+```
+
+### Other build tasks
+* Rebuild
+```
+msbuild build.proj /t:clean;build
+```
+* Build NuGet packages. The packages will drop to '.\binaries\packages'.
+```
+msbuild build.proj /t:build;package
+```