fsharp 3.1.1.6 (new formula)

Formula/fsharp.rb

@@ -0,0 +1,44 @@
+require "formula"
+
+class Fsharp < Formula
+  homepage "http://fsharp.org/"
+  url "https://github.com/fsharp/fsharp.git", :tag => "3.1.1.6"
+
+  depends_on :automake
+  depends_on :autoconf
+  depends_on "pkg-config" => :build
+  depends_on "mono"
+
+  def install
+    system "./autogen.sh", "--prefix=#{prefix}"
+    system "make"
+    system "make", "install"
+  end
+
+  test do
+    test_str = "Hello Homebrew"
+    # fsharpi and fsharpc needs mono to be in the PATH
+    ENV.prepend_path 'PATH', Formula["mono"].bin
+
+    output = `echo 'printfn "#{test_str}"; exit 0' | #{bin}/fsharpi`
+    assert $?.success?
+    assert output.include? test_str
+
+    hello = (testpath/"hello.fs")
+    hello.write("printfn \"#{test_str}\"\n")
+    `#{bin}/fsharpc #{hello}`
+    assert $?.success?
+    # make sure to find the fsharp assemblies even if the user has not set
+    # MONO_GAC_PREFIX to HOMEBREW_PREFIX
+    ENV["MONO_GAC_PREFIX"] = prefix
+    output = `#{Formula["mono"].bin}/mono hello.exe`
+    assert $?.success?
+    assert_equal test_str, output.strip
+  end
+
+  def caveats; <<-EOS.undent
+    To run programs built with fsharpc you need to set:
+      export MONO_GAC_PREFIX="#{HOMEBREW_PREFIX}"
+    EOS
+  end
+end