Merge commit '7b0b9f603bb1215e2b7af23c2404d637b95a4988' as 'hadrian'
authorAndrey Mokhov <andrey.mokhov@gmail.com>
Mon, 6 Nov 2017 22:59:38 +0000 (22:59 +0000)
committerAndrey Mokhov <andrey.mokhov@gmail.com>
Mon, 6 Nov 2017 22:59:38 +0000 (22:59 +0000)
112 files changed:
1  2 
hadrian/.ghci
hadrian/.gitignore
hadrian/.travis.yml
hadrian/LICENSE
hadrian/README.md
hadrian/appveyor.yml
hadrian/build.bat
hadrian/build.cabal.sh
hadrian/build.global-db.bat
hadrian/build.global-db.sh
hadrian/build.sh
hadrian/build.stack.bat
hadrian/build.stack.nix.sh
hadrian/build.stack.sh
hadrian/cabal.project
hadrian/cfg/system.config.in
hadrian/circle.yml
hadrian/doc/cross-compile.md
hadrian/doc/flavours.md
hadrian/doc/user-settings.md
hadrian/doc/windows.md
hadrian/hadrian.cabal
hadrian/src/Base.hs
hadrian/src/Builder.hs
hadrian/src/CommandLine.hs
hadrian/src/Context.hs
hadrian/src/Environment.hs
hadrian/src/Expression.hs
hadrian/src/Flavour.hs
hadrian/src/GHC.hs
hadrian/src/Hadrian/Builder.hs
hadrian/src/Hadrian/Builder/Ar.hs
hadrian/src/Hadrian/Builder/Sphinx.hs
hadrian/src/Hadrian/Builder/Tar.hs
hadrian/src/Hadrian/Expression.hs
hadrian/src/Hadrian/Haskell/Cabal.hs
hadrian/src/Hadrian/Haskell/Cabal/Parse.hs
hadrian/src/Hadrian/Oracles/ArgsHash.hs
hadrian/src/Hadrian/Oracles/DirectoryContents.hs
hadrian/src/Hadrian/Oracles/Path.hs
hadrian/src/Hadrian/Oracles/TextFile.hs
hadrian/src/Hadrian/Package.hs
hadrian/src/Hadrian/Target.hs
hadrian/src/Hadrian/Utilities.hs
hadrian/src/Main.hs
hadrian/src/Oracles/Flag.hs
hadrian/src/Oracles/ModuleFiles.hs
hadrian/src/Oracles/PackageData.hs
hadrian/src/Oracles/Setting.hs
hadrian/src/Rules.hs
hadrian/src/Rules/Clean.hs
hadrian/src/Rules/Compile.hs
hadrian/src/Rules/Configure.hs
hadrian/src/Rules/Dependencies.hs
hadrian/src/Rules/Documentation.hs
hadrian/src/Rules/Generate.hs
hadrian/src/Rules/Gmp.hs
hadrian/src/Rules/Install.hs
hadrian/src/Rules/Libffi.hs
hadrian/src/Rules/Library.hs
hadrian/src/Rules/PackageData.hs
hadrian/src/Rules/Program.hs
hadrian/src/Rules/Register.hs
hadrian/src/Rules/Selftest.hs
hadrian/src/Rules/SourceDist.hs
hadrian/src/Rules/Test.hs
hadrian/src/Rules/Wrappers.hs
hadrian/src/Settings.hs
hadrian/src/Settings/Builders/Alex.hs
hadrian/src/Settings/Builders/Cc.hs
hadrian/src/Settings/Builders/Common.hs
hadrian/src/Settings/Builders/Configure.hs
hadrian/src/Settings/Builders/DeriveConstants.hs
hadrian/src/Settings/Builders/GenPrimopCode.hs
hadrian/src/Settings/Builders/Ghc.hs
hadrian/src/Settings/Builders/GhcCabal.hs
hadrian/src/Settings/Builders/GhcPkg.hs
hadrian/src/Settings/Builders/Haddock.hs
hadrian/src/Settings/Builders/Happy.hs
hadrian/src/Settings/Builders/HsCpp.hs
hadrian/src/Settings/Builders/Hsc2Hs.hs
hadrian/src/Settings/Builders/Ld.hs
hadrian/src/Settings/Builders/Make.hs
hadrian/src/Settings/Builders/Xelatex.hs
hadrian/src/Settings/Default.hs
hadrian/src/Settings/Default.hs-boot
hadrian/src/Settings/Flavours/Development.hs
hadrian/src/Settings/Flavours/Performance.hs
hadrian/src/Settings/Flavours/Profiled.hs
hadrian/src/Settings/Flavours/Quick.hs
hadrian/src/Settings/Flavours/QuickCross.hs
hadrian/src/Settings/Flavours/Quickest.hs
hadrian/src/Settings/Packages/Base.hs
hadrian/src/Settings/Packages/Cabal.hs
hadrian/src/Settings/Packages/Compiler.hs
hadrian/src/Settings/Packages/Ghc.hs
hadrian/src/Settings/Packages/GhcCabal.hs
hadrian/src/Settings/Packages/GhcPkg.hs
hadrian/src/Settings/Packages/GhcPrim.hs
hadrian/src/Settings/Packages/Ghci.hs
hadrian/src/Settings/Packages/Haddock.hs
hadrian/src/Settings/Packages/Haskeline.hs
hadrian/src/Settings/Packages/IntegerGmp.hs
hadrian/src/Settings/Packages/Rts.hs
hadrian/src/Settings/Packages/RunGhc.hs
hadrian/src/Settings/Warnings.hs
hadrian/src/Stage.hs
hadrian/src/Target.hs
hadrian/src/UserSettings.hs
hadrian/src/Utilities.hs
hadrian/src/Way.hs
hadrian/stack.yaml

diff --cc hadrian/.ghci
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--- /dev/null
--- 2/.ghci
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--- /dev/null
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++# generated by the configure script
++cfg/system.config
++
++# build.bat and build.sh specific
++/bin/
++
++# build.cabal.sh specific
++/dist/
++/.cabal-sandbox/
++cabal.sandbox.config
++
++# build.cabal-new.sh specific
++/dist-newstyle/
++.ghc.environment.*
++
++# build.stack.sh and build.stack.bat specific
++/.stack-work/
++
++# the user settings
++/UserSettings.hs
++
++# Mostly temp file by emacs
++*~
++
++# ghcid output
++/ghcid.txt
index 0000000,0000000..e2455b2
new file mode 100644 (file)
--- /dev/null
--- /dev/null
@@@ -1,0 -1,0 +1,90 @@@
++sudo: true
++matrix:
++    include:
++        - os: linux
++          env: MODE="--flavour=quickest inplace/bin/ghc-stage1"
++          compiler: "GHC 8.0.2"
++          addons:
++              apt:
++                  packages:
++                      - ghc-8.0.2
++                      - cabal-install-2.0
++                      - zlib1g-dev
++                  sources: hvr-ghc
++
++          before_install:
++              - PATH="/opt/ghc/8.0.2/bin:$PATH"
++              - PATH="/opt/cabal/2.0/bin:$PATH"
++
++          script:
++              # Run internal Hadrian tests
++              - ./build.sh selftest
++
++              # Build GHC
++              - ./build.sh -j $MODE --no-progress --progress-colour=never --profile=-
++
++        - os: linux
++          env: MODE="--flavour=quickest --integer-simple"
++          compiler: "GHC 8.2.1"
++          addons:
++              apt:
++                  packages:
++                      - ghc-8.2.1
++                      - cabal-install-1.22
++                      - zlib1g-dev
++                  sources: hvr-ghc
++
++          before_install:
++              - PATH="/opt/ghc/8.2.1/bin:$PATH"
++              - PATH="/opt/cabal/1.22/bin:$PATH"
++
++          script:
++              # Build GHC
++              - ./build.sh -j $MODE --no-progress --progress-colour=never --profile=-
++
++              # Test GHC binary
++              - cd ..
++              - inplace/bin/ghc-stage2 -e 1+2
++
++        - os: osx
++          osx_image: xcode8
++          env: MODE="--flavour=quickest --integer-simple inplace/bin/ghc-stage1"
++          before_install:
++              - brew update
++              - brew install ghc cabal-install python3
++
++          script:
++              # Due to timeout limit of OS X build on Travis CI,
++              # we will ignore selftest and build only stage1
++              - ./build.sh -j $MODE --no-progress --progress-colour=never --profile=-
++
++install:
++    # Add Cabal to PATH
++    - PATH="$HOME/.cabal/bin:$PATH"
++    - export PATH
++    - env
++
++    # Fetch GHC sources into ./ghc
++    - git --version
++    - git config --global url."git://github.com/ghc/packages-".insteadOf git://github.com/ghc/packages/
++    - git clone --depth 1 --recursive git://github.com/ghc/ghc
++    # --shallow-submodules is not supported on travis standard git 1.8 (linux), but it is supported
++    # on Travis Mac OS X machines. But it does not work with github mirrors because it cannot
++    # find commits.
++
++    # Install all Hadrian and GHC build dependencies
++    - cabal update
++    - cabal install alex happy
++
++    # Travis has already cloned Hadrian into ./ and we need to move it
++    # to ./ghc/hadrian -- one way to do it is to move the .git directory
++    # and perform a hard reset in order to regenerate Hadrian files
++    - mkdir ghc/hadrian
++    - mv .git ghc/hadrian
++    - cd ghc/hadrian
++    - git reset --hard HEAD
++
++cache:
++    directories:
++        - $HOME/.cabal
++        - $HOME/.ghc
diff --cc hadrian/LICENSE
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--- /dev/null
--- /dev/null
@@@ -1,0 -1,0 +1,21 @@@
++MIT License
++
++Copyright (c) 2014-2017 Andrey Mokhov
++
++Permission is hereby granted, free of charge, to any person obtaining a copy
++of this software and associated documentation files (the "Software"), to deal
++in the Software without restriction, including without limitation the rights
++to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
++copies of the Software, and to permit persons to whom the Software is
++furnished to do so, subject to the following conditions:
++
++The above copyright notice and this permission notice shall be included in all
++copies or substantial portions of the Software.
++
++THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
++IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
++FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
++AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
++LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
++OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
++SOFTWARE.
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--- /dev/null
--- /dev/null
@@@ -1,0 -1,0 +1,194 @@@
++Hadrian
++=======
++
++[![Linux & OS X status](https://img.shields.io/travis/snowleopard/hadrian/master.svg?label=Linux%20%26%20OS%20X)](https://travis-ci.org/snowleopard/hadrian) [![Windows status](https://img.shields.io/appveyor/ci/snowleopard/hadrian/master.svg?label=Windows)](https://ci.appveyor.com/project/snowleopard/hadrian) [![OS X status](https://img.shields.io/circleci/project/github/snowleopard/hadrian.svg?label=OS%20X)](https://circleci.com/gh/snowleopard/hadrian)
++
++Hadrian is a new build system for the [Glasgow Haskell Compiler][ghc]. It is based
++on [Shake][shake] and we hope that it will soon replace the current
++[Make-based build system][make]. If you are curious about the rationale behind the
++project and the architecture of the build system you can find more details in
++this [Haskell Symposium 2016 paper][paper] and this [Haskell eXchange 2016 talk][talk].
++
++The new build system can work side-by-side with the existing build system. Note, there is
++some interaction between them: they put (some) build results in the same directories,
++e.g. the resulting GHC is `inplace/bin/ghc-stage2`.
++
++Your first build
++----------------
++
++Beware, the build system is in the alpha development phase. Things are shaky and sometimes
++break; there are numerous [known issues][issues]. Not afraid? Then put on the helmet and
++run the following command from root of the GHC tree:
++
++```
++hadrian/build.sh -j
++```
++
++or on Windows:
++
++```
++hadrian/build.bat -j
++```
++
++Here flag `-j` enables parallelism and is optional. We will further refer to the build script
++simply as `build`. Note that Hadrian runs the `boot` and `configure` scripts automatically when
++needed. Use `--skip-configure` to suppress this behaviour (see the overview of command line
++flags below).
++
++Notes:
++
++* If the default build script doesn't work, you might want to give a try to another one, e.g. based
++on Cabal sandboxes (`build.cabal.*`), Stack (`build.stack.*`) or the global package database
++(`build.global-db.*`). Also see [instructions for building GHC on Windows using Stack][windows-build].
++
++* Hadrian is written in Haskell and depends on the following packages:
++`ansi-terminal extra mtl quickcheck shake`.
++
++* If you have never built GHC before, start with the [preparation guide][ghc-preparation].
++
++Using the build system
++----------------------
++Once your first build is successful, simply run `build` to rebuild. Build results
++are placed into `_build` and `inplace` directories.
++
++#### Command line flags
++
++In addition to standard Shake flags (try `--help`), the build system
++currently supports several others:
++* `--flavour=FLAVOUR`: choose a build flavour. The following settings are currently supported:
++`default`, `quick`, `quickest`, `perf`, `prof`, `devel1` and `devel2`. As an example, the
++`quickest` flavour adds `-O0` flag to all GHC invocations and builds libraries only in the
++`vanilla` way, which speeds up builds by 3-4x. Build flavours are documented
++[here](https://github.com/snowleopard/hadrian/blob/master/doc/flavours.md).
++
++* `--freeze1`: freeze Stage1 GHC, i.e. do not rebuild it even if some of its source files
++are out-of-date. This allows to significantly reduce the rebuild time when you are working
++on a feature that affects both Stage1 and Stage2 compilers, but may lead to incorrect
++build results. To unfreeze Stage1 GHC simply drop the `--freeze1` flag and Hadrian will
++rebuild all out-of-date files.
++
++* `--integer-simple`: build GHC using the `integer-simple` integer library (instead
++of `integer-gmp`).
++
++* `--progress-colour=MODE`: choose whether to use colours when printing build progress
++info. There are three settings: `never` (do not use colours), `auto` (attempt to detect
++whether the console supports colours; this is the default setting), and `always` (use
++colours).
++
++* `--progress-info=STYLE`: choose how build progress info is printed. There are four
++settings: `none`, `brief` (one line per build command; this is the default setting),
++`normal` (typically a box per build command), and `unicorn` (when `normal` just won't do).
++
++* `--skip-configure`: use this flag to suppress the default behaviour of Hadrian that
++runs the `boot` and `configure` scripts automatically when needed, so that you don't have
++to remember to run them manually. With `--skip-configure` you will need to manually run:
++    ```bash
++    ./boot
++    ./configure # On Windows run ./configure --enable-tarballs-autodownload
++    ```
++    as you normally do when using `make`. Beware, by default Hadrian may do network I/O on
++Windows to download necessary tarballs, which may sometimes be undesirable; `--skip-configure`
++is your friend in such cases.
++
++* `--split-objects`: generate split objects, which are switched off by default. Due to
++a GHC [bug][ghc-split-objs-bug], you need a full clean rebuild when using this flag.
++
++* `--verbose`: run Hadrian in verbose mode. In particular this prints diagnostic messages
++by Shake oracles.
++
++#### User settings
++
++The Make-based build system uses `mk/build.mk` to specify user build settings. We
++use `hadrian/UserSettings.hs` for the same purpose, see [documentation](doc/user-settings.md).
++
++#### Clean and full rebuild
++
++* `build clean` removes all build artefacts.
++
++* `build -B` forces Shake to rerun all rules, even if the previous build results are
++are still up-to-date.
++
++#### Documentation
++
++To build GHC documentation, run `build docs`. Note that finer-grain documentation
++targets (e.g. building only HTML documentation or only the GHC User's Guide)
++are currently not supported.
++
++#### Source distribution
++
++To build a GHC source distribution tarball, run `build sdist-ghc`.
++
++#### Installation
++
++To build and install GHC artifacts, run `build install`.
++
++By default, GHC will be installed to the specified _prefix_ path on your system,
++relative to the root of the file system. For example on UNIX, GHC will be installed
++to `/usr/local/bin`. By setting the command line flag `--install-destdir=[DESTDIR]`,
++you can install GHC to path `DESTDIR/<prefix>` instead. Make sure you use correct
++absolute path as `DESTDIR` on Windows, e.g. `C:/path`, which installs GHC
++into `C:/path/usr/local`.
++
++#### Testing
++
++* `build validate` runs GHC tests by simply executing `make fast` in `testsuite/tests`
++directory. This can be used instead of `sh validate --fast --no-clean` in the existing
++build system. Note: this will rebuild Stage2 GHC, `ghc-pkg` and `hpc` if they are out of date.
++
++* `build test` runs GHC tests by calling the `testsuite/driver/runtests.py` python
++script with appropriate flags. The current implementation is limited and cannot
++replace the `validate` script (see [#187][validation-issue]).
++
++* `build selftest` runs tests of the build system. Current test coverage is close to
++zero (see [#197][test-issue]).
++
++Current limitations
++-------------------
++The new build system still lacks many important features:
++* Validation is not implemented: [#187][validation-issue].
++* Dynamic linking on Windows is not supported [#343][dynamic-windows-issue].
++* There is no support for binary distribution: [#219][bin-dist-issue].
++
++Check out [milestones] to see when we hope to resolve the above limitations.
++
++How to contribute
++-----------------
++
++The best way to contribute is to try the new build system, report the issues
++you found, and attempt to fix them. Please note: the codebase is very unstable
++at present and we expect a lot of further refactoring. If you would like to
++work on a particular issue, please let everyone know by adding a comment about
++this. The issues that are currently on the critical path and therefore require
++particular attention are listed in [#239](https://github.com/snowleopard/hadrian/issues/239).
++Also have a look at [projects](https://github.com/snowleopard/hadrian/projects)
++where open issues and pull requests are grouped into categories.
++
++Acknowledgements
++----------------
++
++I started this project as part of my 6-month research visit to Microsoft
++Research Cambridge, which was funded by Newcastle University, EPSRC, and
++Microsoft Research. I would like to thank Simon Peyton Jones, Neil Mitchell
++and Simon Marlow for kick-starting the project and for their guidance.
++Zhen Zhang has done fantastic work on Hadrian as part of his Summer of
++Haskell 2017 [project](https://summer.haskell.org/ideas.html#hadrian-ghc),
++solving a few heavy and long-overdue issues. Last but not least, big thanks
++to all other project [contributors][contributors], who helped me endure and
++enjoy the project.
++
++[ghc]: https://en.wikipedia.org/wiki/Glasgow_Haskell_Compiler
++[shake]: https://github.com/ndmitchell/shake
++[make]: https://ghc.haskell.org/trac/ghc/wiki/Building/Architecture
++[paper]: https://www.staff.ncl.ac.uk/andrey.mokhov/Hadrian.pdf
++[talk]: https://skillsmatter.com/skillscasts/8722-meet-hadrian-a-new-build-system-for-ghc
++[issues]: https://github.com/snowleopard/hadrian/issues
++[ghc-preparation]: https://ghc.haskell.org/trac/ghc/wiki/Building/Preparation
++[ghc-windows-quick-build]: https://ghc.haskell.org/trac/ghc/wiki/Building/Preparation/Windows#AQuickBuild
++[windows-build]: https://github.com/snowleopard/hadrian/blob/master/doc/windows.md
++[ghc-split-objs-bug]: https://ghc.haskell.org/trac/ghc/ticket/11315
++[test-issue]: https://github.com/snowleopard/hadrian/issues/197
++[validation-issue]: https://github.com/snowleopard/hadrian/issues/187
++[dynamic-windows-issue]: https://github.com/snowleopard/hadrian/issues/343
++[bin-dist-issue]: https://github.com/snowleopard/hadrian/issues/219
++[milestones]: https://github.com/snowleopard/hadrian/milestones
++[contributors]: https://github.com/snowleopard/hadrian/graphs/contributors
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