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Merge branch 'staging-next' into staging

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Jan Tojnar
2020-10-18 21:21:03 +02:00
parent 79b07bba8f 5e67d80a8b
commit 5c766c5c24
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doc/builders/packages/opengl.xml
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@@ -4,6 +4,6 @@
<title>OpenGL</title>
<para>
Packages that use OpenGL have NixOS desktop as their primary target. The current solution for loading the GPU-specific drivers is based on <literal>libglvnd</literal> and looks for the driver implementation in <literal>LD_LIBRARY_PATH</literal>. If you are using a non-NixOS GNU/Linux/X11 desktop with free software video drivers, consider launching OpenGL-dependent programs from Nixpkgs with Nixpkgs versions of <literal>libglvnd</literal> and <literal>mesa_drivers</literal> in <literal>LD_LIBRARY_PATH</literal>. For proprietary video drivers you might have luck with also adding the corresponding video driver package.
Packages that use OpenGL have NixOS desktop as their primary target. The current solution for loading the GPU-specific drivers is based on <literal>libglvnd</literal> and looks for the driver implementation in <literal>LD_LIBRARY_PATH</literal>. If you are using a non-NixOS GNU/Linux/X11 desktop with free software video drivers, consider launching OpenGL-dependent programs from Nixpkgs with Nixpkgs versions of <literal>libglvnd</literal> and <literal>mesa.drivers</literal> in <literal>LD_LIBRARY_PATH</literal>. For proprietary video drivers you might have luck with also adding the corresponding video driver package.
</para>
</section>

33
doc/languages-frameworks/haskell.section.md
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@@ -359,6 +359,39 @@ services.hoogle = {
};
```
### How to install haskell-language-server
In short: Install `pkgs.haskell-language-server` and use the
`haskell-language-server-wrapper` command to run it. See the [hls
README](https://github.com/haskell/haskell-language-server) on how to configure
your text editor to use hls and how to test your setup.
Hls needs to be compiled with the ghc version of the project you use it on.
`pkgs.haskell-language-server` provides `haskell-language-server-wrapper`,
`haskell-language-server`, `haskell-language-server-x.x` and
`haskell-language-server-x.x.x` binaries, where `x.x.x` is the ghc version for
which it is compiled. By default it includes binaries for all ghc versions
that are provided in the binary caches. You can override that list with e.g.
```nix
pkgs.haskell-language-server.override { supportedGhcVersions = [ "884" "901" ]; }
```
When you run `haskell-language-server-wrapper` it will detect the ghc version
used by the project you are working on (by asking e.g. cabal or stack) and pick
the appropriate above mentioned binary from your path.
Be careful when installing hls globally and using a pinned nixpkgs for a Haskell
project in a nix-shell. If the nixpkgs versions deviate to much (e.g. use
different `glibc` versions) hls might fail. It is recommended to then install hls
in the nix-shell from the nixpkgs version pinned in there.
If you know, that you only use one ghc version, e.g. in a project specific
nix-shell You can either use an override as given above or simply install
`pkgs.haskellPackages.haskell-language-server` instead of the top-level
attribute `pkgs.haskell-language-server`.
### How to build a Haskell project using Stack
[Stack](http://haskellstack.org) is a popular build tool for Haskell projects.