Sample FAKE build script.

build.fsx

#r @"..\packages\FAKE.2.15.4\tools\FakeLib.dll"

open System
open Fake
open Fake.FileSystemHelper
open System.Diagnostics

let baseDir             = __SOURCE_DIRECTORY__
let targetPlatform      = "net-4.5"
let nunitPath           = @"C:\Program Files (x86)\NUnit 2.6.3\bin"
let ilMergePath         = combinePaths baseDir @"../packages/ilmerge.2.13.0307/ILMerge.exe"
let primaryAssemblyName = "FinancialModellingFundamentals.dll"
let outputDir           = combinePaths baseDir "./Release"
let mergedAssemblyName  = "FinModelCore.dll"
let mergedOutputDir     = combinePaths baseDir "./ReleaseMerged"
let testOutputDir       = combinePaths baseDir "./Tests"
let libraryProjectFile  = !! "../FinancialModellingFundamentals/*.fsproj"       |> SetBaseDir baseDir |> Seq.toList
let testsProjectFile    = !! "../FinancialModellingFundamentals.Tests/*.fsproj" |> SetBaseDir baseDir |> Seq.toList
let testAssemblies      = !! (testOutputDir + "/*.Tests.dll")                   |> SetBaseDir baseDir |> Seq.toList

// Clean all output folders.
Target "Clean"      (fun _ -> CleanDirs    [ outputDir; testOutputDir; mergedOutputDir ])

// Build the test project and its deps.
Target "BuildTests" (fun _ -> MSBuildDebug testOutputDir "Build" testsProjectFile |> Log "AppBuild-Output: ")

// Run all tests against the built test assemblies.
Target "NUnitTest"  (fun _ ->  
    testAssemblies
        |> NUnit (fun p -> 
            {p with
                ToolPath          = nunitPath
                Framework         = targetPlatform
                DisableShadowCopy = true; 
                OutputFile        = testOutputDir + "TestResults.xml"})
)

// Build the library in release mode.
Target "BuildLibrary"  (fun _ -> MSBuildRelease outputDir "Build" libraryProjectFile |> Log "AppBuild-Output: ")

// Merge all into one assembly.
Target "IlMerge" (fun _ -> 
    ILMerge (fun p ->  {p with 
                            ToolPath   = ilMergePath
                            TargetKind = Library })
            (combinePaths mergedOutputDir mergedAssemblyName)
            (combinePaths outputDir       primaryAssemblyName)
       )

"Clean"            ==> 
    "BuildTests"   ==> 
    "NUnitTest"    ==>  
    "BuildLibrary" ==>
    "IlMerge"

Run "IlMerge"