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The Open Edition of the F# compiler, core library and tools
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README.md

The Open Edition of the F# Compiler, Core Library & Tools

The main purpose of this repository is to package the open editions of the F# compiler, core library and core tools for use across multiple platforms.

Contributing to the F# Compiler, Core Library and Tools

Most contributions to the F# compiler/library/tools go first via the
repository at https://github.com/Microsoft/visualfsharp. This ensures that the main packaging of F# on Windows (the Visual F# Tools) also includes any contributions that are made, and ensures that the versions do not diverge.

If you are using Windows, you should fork that repo and contribute directly there. Your contributions will then be merged into this repo.

If you are using Linux or OSX, you can prepare your contributions by forking this repository (the code is essentially the same). This will give you access to the cross-platform testing available from this repo. At the moment the process is:

  1. Fork this repo.
  2. Build and test using the subset of tests available in this repo. If you like, submit a PR to this repo in order to trigger an automatic Travis run, or set up a Travis hook in your fork.
  3. Seek initial review by posting an issue in this repository or https://github.com/Microsoft/visualfsharp. Make it clear you are working on Linux or OSX.
  4. Cherry-pick your changes into a pull request for https://github.com/Microsoft/visualfsharp and submit for final testing and clearance.
  5. The change will then be merged into this repo at a later point.

If you don't have access to Windows in order to run final tests at step 4. If you need help, email fsharp-opensource@googlegroups.com and ask to make a final test run on Windows.

Contributions specifically related to the packaging of the Open Edition should be made here.

Status

The master branch is for F# 3.1. The fsahrp4 branch is for F# 4.0.

To bootstrap the compiler, binaries built from an earlier version of this project are used.

This codebase uses the Apache 2.0 license.

Current Build Status

F# 3.1 (branch master), Mono 3.x, OSX + some unit tests (Travis) Build Status

F# 4.0 (branch fsharp4, Mono 3.x, OSX + some unit tests (Travis) Build Status

F# 3.0 (branch fsharp_30), Mono 3.x, OSX + some unit tests (Travis) Build Status

Head (branch master), Windows Server 2012 (AppVeyor) Build status

NuGet Feed of FSharp.Core and FSharp.Compiler.Tools packages

This repo is curently used to make two NuGet pacakges - FSharp.Core and FSharp.Compiler.Tools.

Stable builds are available in the NuGet Gallery: http://www.nuget.org/packages/FSharp.Core and http://www.nuget.org/packages/FSharp.Compiler.Tools.

The FSharp.Core NuGet package includes all of the FSharp.Core redistributables from Visual F#. In addition, they include assemblies for MonoAndroid and MonoTouch built from this repository.

The FSharp.Compiler.Tools package includes the F# compiler fsc.exe, F# Interactive fsi.exe, build support, a copy of FSharp.Core used to run the tools, and related DLLs.

A feed of nuget packages from builds is available from AppVeyor using the NuGet feed: https://ci.appveyor.com/nuget/fsgit-fsharp

If using Paket, add the source at the top of paket.dependencies.

source https://www.nuget.org/api/v2
source https://ci.appveyor.com/nuget/fsgit-fsharp

Add the dependency on FSharp.Core and run paket update. See the AppVeyor build history for a list of available versions. Here are some options for specifying the dependency:

nuget FSharp.Core
nuget FSharp.Core prerelease
nuget FSharp.Core 3.1.2.3
nuget FSharp.Core 3.1.2.3-b208

If using NuGet Package Manager, add the source to the list of available package sources.

Available Package Sources

Build Requirements

Requires mono 3.0 or higher.

OS X requires automake 2.69. To install from homebrew:

brew install automake

How to Build

Linux and other Unix systems:

The usual:

./autogen.sh --prefix=/usr
make
sudo make install

By default that makes optimized binaries. To make debug, use make CONFIG=debug

OS X

Use a prefix to your version of Mono:

./autogen.sh --prefix=/Library/Frameworks/Mono.framework/Versions/Current/
make
sudo make install

By default that makes optimized binaries. To make debug, use make CONFIG=debug

Windows, using msbuild

Build using:

build.bat

This build the proto compiler, then the library, then the final compiler.

You can also build these independently using:

msbuild src\fsharp-proto-build.proj
ngen install ..\lib\proto\fsc-proto.exe
msbuild src\fsharp-library-build.proj /p:Configuration=Release
msbuild src\fsharp-compiler-build.proj /p:Configuration=Release

You can also build FSharp.Core.dll for other profiles:

msbuild src\fsharp-library-build.proj /p:TargetFramework=net20 /p:Configuration=Release
msbuild src\fsharp-library-build.proj /p:TargetFramework=portable47 /p:Configuration=Release
msbuild src\fsharp-library-build.proj /p:TargetFramework=portable7 /p:Configuration=Release
msbuild src\fsharp-library-build.proj /p:TargetFramework=portable78 /p:Configuration=Release
msbuild src\fsharp-library-build.proj /p:TargetFramework=portable259 /p:Configuration=Release
msbuild src\fsharp-library-build.proj /p:TargetFramework=sl5 /p:Configuration=Release

msbuild src\fsharp-library-build.proj /p:TargetFramework=monodroid /p:Configuration=Release
msbuild src\fsharp-library-build.proj /p:TargetFramework=monotouch /p:Configuration=Release
msbuild src\fsharp-library-build.proj /p:TargetFramework=net40-xna40-xbox360 /p:Configuration=Release

You can also build the FSharp.Core and FSharp.Compiler.Silverlight.dll for Silverlight 5.0:

msbuild src\fsharp-library-build.proj /p:TargetFramework=sl5-compiler  /p:Configuration=Release

Change to /p:Configuration=Debug for debug binaries.

Add /p:FSharpCoreBackVersion=3.0 to build a back version of FSharp.Core.dll with a version number suitable for use when building libaries that have usable with both F# 3.0 and F# 3.1 libraries.

msbuild src\fsharp-library-build.proj /p:TargetFramework=net20 /p:Configuration=Release /p:FSharpCoreBackVersion=3.0
msbuild src\fsharp-library-build.proj /p:TargetFramework=net40 /p:Configuration=Release /p:FSharpCoreBackVersion=3.0
msbuild src\fsharp-library-build.proj /p:TargetFramework=portable47 /p:Configuration=Release /p:FSharpCoreBackVersion=3.0
msbuild src\fsharp-library-build.proj /p:TargetFramework=net40 /p:Configuration=Release /p:FSharpCoreBackVersion=3.0
msbuild src\fsharp-library-build.proj /p:TargetFramework=portable47 /p:Configuration=Release /p:FSharpCoreBackVersion=3.0
msbuild src\fsharp-library-build.proj /p:TargetFramework=net40 /p:Configuration=Release /p:FSharpCoreBackVersion=3.1
msbuild src\fsharp-library-build.proj /p:TargetFramework=portable7 /p:Configuration=Release /p:FSharpCoreBackVersion=3.1
msbuild src\fsharp-library-build.proj /p:TargetFramework=portable47 /p:Configuration=Release /p:FSharpCoreBackVersion=3.1
msbuild src\fsharp-library-build.proj /p:TargetFramework=portable78 /p:Configuration=Release /p:FSharpCoreBackVersion=3.1
msbuild src\fsharp-library-build.proj /p:TargetFramework=portable259 /p:Configuration=Release /p:FSharpCoreBackVersion=3.1

Windows, using xbuild (e.g. if only Mono is installed):

xbuild src\fsharp-proto-build.proj
xbuild src\fsharp-library-build.proj
xbuild src\fsharp-compiler-build.proj

Building using xbuild does not yet lay down a Mono-ready distribution (see src/fsharp/targets.make), so should only be used for private development rather than preparing distributions.

Build Note: Strong Names

The FSharp.Core.dll produced is only delay-signed (Mono does not require strong names). If a strong-name signed FSharp.Core.dll is needed then use the one in

lib\bootstrap\signed\.NETFramework\v4.0\4.3.0.0\FSharp.Core.dll
lib\bootstrap\signed\.NETFramework\v4.0\4.3.1.0\FSharp.Core.dll

How to Install

Built main compiler binaries go to lib/release/4.0

Additionally, versions of FSharp.Core for .NET 2.0, MonoAndroid, MonoTouch (Mono profile 2.1) go to lib/release/2.0 lib/release/2.1 lib/release/2.1monotouch

make install sends the binaries to the prefix location, e.g.

/Library/Frameworks/Mono.framework/Versions/Current/lib/mono/2.0/FSharp.Core.dll
/Library/Frameworks/Mono.framework/Versions/Current/lib/mono/2.1/FSharp.Core.dll
/Library/Frameworks/Mono.framework/Versions/Current/lib/mono/4.0/fsc.exe
/Library/Frameworks/Mono.framework/Versions/Current/lib/mono/4.0/FSharp.Compiler.dll
...
/Library/Frameworks/Mono.framework/Versions/Current/lib/mono/4.5/fsc.exe
/Library/Frameworks/Mono.framework/Versions/Current/lib/mono/4.5/FSharp.Compiler.dll
...
/Library/Frameworks/Mono.framework/Versions/Current/lib/mono/gac/.../FSharp.Compiler.dll
/Library/Frameworks/Mono.framework/Versions/Current/lib/mono/gac/.../FSharp.Compiler.dll
...

plus some files for xbuild support

/Library/Frameworks/Mono.framework/Versions/Current/lib/mono/Microsoft\ F#/v4.0/*
/Library/Frameworks/Mono.framework/Versions/Current/lib/mono/Microsoft\ SDKs/F#/3.0/Framework/*

(these names are the canonical names for Microsoft.FSharp.Targets used by project files coming from Visual Studio)

plus scripts

/usr/bin/fsharpc   (F# compiler)
/usr/bin/fsharpi   (F# Interactive)

Development Notes

Integrating changes from 'visualfsharp'

To integrate latest changes from https://github.com/Microsoft/visualfsharp, use

git remote add visualfsharp https://github.com/Microsoft/visualfsharp
git pull visualfsharp master

Continuous Integration Build

A continuous integration build is set up with Travis. See above.

Editing the Compiler with Visual Studio, Xamarin Studio or MonoDevelop

Open all-vs2013.sln, and edit in modes Debug or Release. The compiler takes a good while to compile and that can be a bit invasive to the work flow, so it's normally better to do the actual compilation from the command line, see above.

Historically it is difficult to edit the compiler with Xamarin Studio or MonoDevelop because of bugs in loading the hand-edited project files and targets used in the F# compiler build. These are generally in the process of being fixed, your mileage will vary.

How to Test and Validate

Linux and OSX

Only a subset of the tests are currently enabled.

After building and installing, run

cd tests/fsharp/core
./run-all.sh

Windows

See the TESTGUIDE.md for instructions for how to test on Windows. Use that repository to develop and test on Windows.

History

F# compiler sources as initially dropped are available from fsharppowerpack.codeplex.com.

On 4 April 2014, Microsoft Open Tech published the F# compiler sources at http://visualfsharp.codeplex.com and began accepting contributions to the F# compiler/library and tools. This repository is a modified version of that.

This repository uses bootstrapping libraries, tools and F# compiler. The lib/bootstrap/X.0 directories contain mono-built libraries, compiler and tools that can be used to bootstrap a build. You can also supply your own via the --with-bootstrap option.

Wheezy build

vagrant up
vagrant ssh
cd /vagrant
sudo apt-get install dos2unix autoconf
./autogen.sh --prefix=/usr
make
sudo make install
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