Hyper bootstrap #2184
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The backend lives in the scalac fork at https://github.com/lampepfl/scala/tree/sharing-backend. Before this commit, the scala-compiler built from this fork was a dependency of Scala just to get this backend. This made it much more cumbersome to test changes to the backend and also forced us to depend on Scala 2.11.5 since that is the version of scalac that the forked backend is based on. This commit changes this by adding a git submodule in the `scala-backend` directory that points to the scalac fork. We do not compile the whole submodule, instead we add the subset of files we need to the dotty-compiler project in the sbt build. See backend.md for more information (online at http://dotty.epfl.ch/docs/contributing/backend.html) once this commit is merged. The most important thing to note is that whenever you clone dotty you should do `git clone --recursive` to also clone the submodule. If you already have a cloned dotty you'll need to do: git submodule update --init And whenever you do "git pull" and the submodule gets updated, you'll need to do: git submodule update
smarter
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The backend lives in the scalac fork at https://github.com/lampepfl/scala/tree/sharing-backend. Before this commit, the scala-compiler built from this fork was a dependency of Scala just to get this backend. This made it much more cumbersome to test changes to the backend and also forced us to depend on Scala 2.11.5 since that is the version of scalac that the forked backend is based on. This commit changes this by adding a git submodule in the `scala-backend` directory that points to the scalac fork. We do not compile the whole submodule, instead we add the subset of files we need to the dotty-compiler project in the sbt build. See backend.md for more information (online at http://dotty.epfl.ch/docs/contributing/backend.html) once this commit is merged. The most important thing to note is that whenever you clone dotty you should do `git clone --recursive` to also clone the submodule. If you already have a cloned dotty you'll need to do: git submodule update --init And whenever you do "git pull" and the submodule gets updated, you'll need to do: git submodule update
smarter
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…dule The backend lives in the scalac fork at https://github.com/lampepfl/scala/tree/sharing-backend. Before this commit, the scala-compiler built from this fork was a dependency of Scala just to get this backend. This made it much more cumbersome to test changes to the backend and also forced us to depend on Scala 2.11.5 since that is the version of scalac that the forked backend is based on. This commit changes this by adding a git submodule in the `scala-backend` directory that points to the scalac fork. We do not compile the whole submodule, instead we add the subset of files we need to the dotty-compiler project in the sbt build. See backend.md for more information (online at http://dotty.epfl.ch/docs/contributing/backend.html) once this commit is merged. The most important thing to note is that whenever you clone dotty you should do `git clone --recursive` to also clone the submodule. If you already have a cloned dotty you'll need to do: git submodule update --init You will need to repeat this command anytime you update dotty and the backend has been updated, otherwise the content of `scala-backend` will be stale.
smarter
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Fix #2184: Hyper Bootstrap! Integrate the backend as a git submodule
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Depends on #2183
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