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103 lines
5.7 KiB
Markdown
103 lines
5.7 KiB
Markdown
## CLion Project Configuration
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CLion can integrate with CMake to provide code comprehension features.
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After opening the `serenity` repository in CLion as a new project, the "`Open Project Wizard`" window will open, from here set the following fields:
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(Assuming you use `Ninja` as the build system and configured the CMake build directory to `Build/x86_64`)
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`Build type`: `Default`
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> _CMake will complain with any other build type, make sure to use `Default` so that `CMAKE_BUILD_TYPE` is empty in the `Build/x86_64/CMakeCache.txt` file._
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`CMake Options`:
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```
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-DCMAKE_PREFIX_PATH=$CMakeProjectDir$/Build/lagom-install
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-DCMAKE_TOOLCHAIN_FILE=$CMakeProjectDir$/Build/x86_64/CMakeToolchain.txt
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-DSERENITY_ARCH=x86_64
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-DSERENITY_CACHE_DIR=$CMakeProjectDir$/Build/caches
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-GNinja
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```
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> CLion will complain that the toolchain file doesn't exist yet, if you haven't `cmake` for the SuperBuild step before. The SuperBuild configure step creates the Toolchain file.
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> To re-create the file after blasting your build directory, run `cmake -GNinja -S Meta/CMake/Superbuild -B Build/superbuild-x86_64` from the top level in a terminal, or simply run `./Meta/serenity.sh run`
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`Build Directory`: `Build/x86_64`
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> _If you have not built the Toolchain at this point, please do so: `./Toolchain/BuildGNU.sh`_
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> _If you have not built host tools from Lagom at this point, please do so: `./Meta/serenity.sh build` or `ninja -C Build/superbuild-x86_64` after running `cmake -GNinja -S Meta/CMake/Superbuild -B Build/superbuild-x86_64`_
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If you already have the project open, you can go to `File -> Settings -> Build, Execution, Deployment -> CMake` to find these options.
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## Excluding Build Artifacts
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Source files are copied to the `Build` directory during the build, if you do not exclude them from CLion indexing they will show up
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in search results. This is often confusing, unintuitive, and can result in you losing changes you have made to files. To exclude
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these files navigate to the `Project` tool window, right-click the `Build` folder and select `Mark Directory as | Excluded`. If you
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want to exclude Toolchain files as well, follow the same procedure with the following paths:
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- `Toolchain/Local`
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- `Toolchain/Tarballs`
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- `Toolchain/Build`
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## Include headers and source files for code insight
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To get proper code insight mark the folders `AK`, `Kernel` and `Userland` by right-clicking on them and selecting `Mark Directory as | Project Sources and Headers`.
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A symptom of this not being configured correctly is CLion giving a warning for every single file:
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> The file does not belong to any project target, code insight features might not work properly.
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## Code Generation Settings
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To make code generated by CLion match the SerenityOS coding style, import the `CLionCodeStyleSettings.xml` from this directory as code style scheme via
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`Settings -> Editor -> Code Style -> C/C++ -> Scheme -> Cog icon -> Import Scheme...`
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## Quick switching between Kernel and Userland targets
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In order to let CLion know what kind of code you're currently working on (Kernel / Userland) to make sure it parses and displays the correct half of statements like this:
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```c++
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#ifdef KERNEL
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...
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#else
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...
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#endif
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```
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You need to add build configurations for each:
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Click on one of the buttons below (top right of the IDE) - If you have the second one, press Edit Configurations after the dropdown box opens, then press CTRL+A to select the 1000s of automatically generated targets, and then press Delete to remove them.
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Then press the `+` button to add a new configuration, select `CMake Application`, name the configuration `Kernel`, set the target to `Kernel` (typing while the dropdown box is open searches), and then repeat the process one more time, this time with the name being `Userland` and the target being `true`.
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Finally, to quickly switch between the two different contexts, simply click the `Kernel | Default` / `Userland | Default` button to switch.
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## Notes for WSL Users
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### Toolchain
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If the serenity directory is on the WSL filesystem you need to configure the CLion toolchain to be WSL.
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To set that up go to `File->Settings->Build, Execution, Deployment->Toolchains` and click on the `+` icon, then select WSL. In `Toolset` select the distribution you have the serenity directory on.
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### Terminal
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It is possible to set the embedded terminal in CLion to the one that your WSL distribution provides.
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This way you can build and run serenity without leaving the IDE.
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Note that following will only help if you don't use an X-window server to access qemu.
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It is possible to install qemu natively on Windows and allow WSL to use it instead of installing qemu first on (wsl) linux and then use X server to launch serenity inside of it.
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Check the updated manual [here](BuildInstructionsWindows.md).
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- Locate the terminal emulator for your linux distribution.
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Open CMD with elevated privileges and cd to `C:/Program Files/WindowsApps/`.
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The directory is usually hidden and requires additional privileges. You should be able to cd as administrator.
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`dir` and look for your distribution in directory names. In case of Ubuntu, it starts with `CanonicalGroupLimited.Ubuntu20.04onWindows_2004.2020.424.0_x64`.
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cd to it. The directory should contain the shell executable. In my case it's named `ubuntu2004.exe`.
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Copy `absolute/path/to/ubuntu2004.exe`.
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- Go to your IDE settings: `File->Settings->Tools->Terminal` and paste the path you just copied to `shell path`. Click OK.
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- Close CLion and restart.
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The default IDE terminal should now be changed to WSL, and now you can run `CLion/run.sh`.
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You may also want to copy `serenity/Meta/CLion/run.sh` to your project directory and run it from there, so that you don't have to fight with git every time you modify the script.
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