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238 lines
12 KiB
Markdown
238 lines
12 KiB
Markdown
# Building on Windows
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**Note that installing all of the development prerequisites and libraries will require about 40 GB of free disk space. Please ensure this space is available on your `C:` drive before proceeding.**
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This guide assumes you are on a 64-bit system. You might need to manually search out alternate download links should you desire to build Chatterino on a 32-bit system.
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## Installing prerequisites
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### Visual Studio
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Download and install [Visual Studio 2022 Community](https://visualstudio.microsoft.com/downloads/). In the installer, select "Desktop development with C++" and "Universal Windows Platform development".
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Notes:
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- This installation will take about 21 GB of disk space
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- You do not need to sign in with a Microsoft account after setup completes. You may simply exit the login dialog.
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### Qt
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1. Visit the [Qt Open Source Page](https://www.qt.io/download-open-source).
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2. Scroll down to the bottom
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3. Then select "Download the Qt Online Installer"
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Notes:
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- Installing the latest **stable** Qt version is advised for new installations, but if you want to use your existing installation please ensure you are running **Qt 5.12 or later**.
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#### When prompted which components to install:
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1. Unfold the tree element that says "Qt"
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2. Unfold the top most tree element (latest stable Qt version, e.g. `Qt 5.15.2`)
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3. Under this version, select the following entries:
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- `MSVC 2019 64-bit` (or alternative version if you are using that)
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- `Qt WebEngine` (optional)
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4. Under the "Tools" tree element (at the bottom), ensure that `Qt Creator X.X.X` and `Debugging Tools for Windows` are selected. (they should be checked by default)
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5. Continue through the installer and let the installer finish installing Qt.
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Note: This installation will take about 2 GB of disk space.
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Once Qt is done installing, make sure you add its bin directory to your `PATH` (e.g. `C:\Qt\5.15.2\msvc2019_64\bin`)
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### Advanced dependencies
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These dependencies are only required if you are not using a package manager
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<details>
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<summary>Boost</summary>
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1. First, download a boost installer appropriate for your version of Visual Studio.
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- Visit the downloads list on [SourceForge](https://sourceforge.net/projects/boost/files/boost-binaries/).
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- Select the latest version from the list.
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- Download the `.exe` file appropriate to your Visual Studio installation version and system bitness (choose `-64` for 64-bit systems).
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Visual Studio versions map as follows: `14.3` in the filename corresponds to MSVC 2022,`14.2` to 2019, `14.1` to 2017, `14.0` to 2015. _Anything prior to Visual Studio 2015 is unsupported. Please upgrade should you have an older installation._
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**Convenience link for Visual Studio 2022: [boost_1_79_0-msvc-14.3-64.exe](https://sourceforge.net/projects/boost/files/boost-binaries/1.79.0/boost_1_79_0-msvc-14.3-64.exe/download)**
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2. When prompted where to install Boost, set the location to `C:\local\boost`.
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3. After the installation finishes, rename the `C:\local\boost\lib64-msvc-14.3` (or similar) directory to simply `lib` (`C:\local\boost\lib`).
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Note: This installation will take about 2.1 GB of disk space.
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</details>
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<details>
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<summary>OpenSSL</summary>
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### For our websocket library, we need OpenSSL 1.1
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1. Download OpenSSL for windows, version `1.1.1s`: **[Download](https://web.archive.org/web/20221101204129/https://slproweb.com/download/Win64OpenSSL-1_1_1s.exe)**
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2. When prompted, install OpenSSL to `C:\local\openssl`
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3. When prompted, copy the OpenSSL DLLs to "The OpenSSL binaries (/bin) directory".
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Note: This installation will take about 200 MB of disk space.
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</details>
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## Building
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### Using CMake
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#### Install conan
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Install [conan](https://conan.io/downloads.html) and make sure it's in your `PATH` (default setting).
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Then in a terminal, configure conan to use `NMake Makefiles` as its generator:
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1. Generate a new profile
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`conan profile new --detect --force default`
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1. Configure the profile to use `NMake Makefiles` as its generator
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`conan profile update conf.tools.cmake.cmaketoolchain:generator="NMake Makefiles" default`
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#### Build
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Open up your terminal with the Visual Studio environment variables (e.g. `x64 Native Tools Command Prompt for VS 2022`), cd to the cloned c2 directory and run the following commands:
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1. `mkdir build`
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1. `cd build`
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1. `conan install .. -s build_type=Release --build=missing`
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1. `cmake -G"NMake Makefiles" -DCMAKE_BUILD_TYPE=Release -DCMAKE_TOOLCHAIN_FILE="conan_toolchain.cmake" -DCMAKE_PREFIX_PATH="C:\Qt\5.15.2\msvc2019_64" ..`
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1. `nmake`
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#### Ensure DLLs are available
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Once Chatterino has finished building, to ensure all .dll's are available you can run this from the build directory:
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`windeployqt bin/chatterino.exe --release --no-compiler-runtime --no-translations --no-opengl-sw --dir bin/`
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Can't find windeployqt? You forgot to add your Qt bin directory (e.g. `C:\Qt\5.15.2\msvc2019_64\bin`) to your `PATH`
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### Run the build in Qt Creator
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1. Open the `CMakeLists.txt` file by double-clicking it, or by opening it via Qt Creator.
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2. You will be presented with a screen that is titled "Configure Project". In this screen, you should have at least one option present ready to be configured, like this:
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3. Select the profile(s) you want to build with and click "Configure Project".
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#### How to run and produce builds
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- In the main screen, click the green "play symbol" on the bottom left to run the project directly.
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- Click the hammer on the bottom left to generate a build (does not run the build though).
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Build results will be placed in a folder at the same level as the "chatterino2" project folder (e.g. if your sources are at `C:\Users\example\src\chatterino2`, then the build will be placed in an automatically generated folder under `C:\Users\example\src`, e.g. `C:\Users\example\src\build-chatterino-Desktop_Qt_5_15_2_MSVC2019_64bit-Release`.)
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- Note that if you are building chatterino purely for usage, not for development, it is recommended that you click the "PC" icon above the play icon and select "Release" instead of "Debug".
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- Output and error messages produced by the compiler can be seen under the "4 Compile Output" tab in Qt Creator.
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#### Producing standalone builds
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If you build chatterino, the result directories will contain a `chatterino.exe` file in the `$OUTPUTDIR\release\` directory. This `.exe` file will not directly run on any given target system, because it will be lacking various Qt runtimes.
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To produce a standalone package, you need to generate all required files using the tool `windeployqt`. This tool can be found in the `bin` directory of your Qt installation, e.g. at `C:\Qt\5.15.2\msvc2019_64\bin\windeployqt.exe`.
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To produce all supplement files for a standalone build, follow these steps (adjust paths as required):
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1. Navigate to your build output directory with Windows Explorer, e.g. `C:\Users\example\src\build-chatterino-Desktop_Qt_5_15_2_MSVC2019_64bit-Release`
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2. Enter the `release` directory
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3. Delete all files except the `chatterino.exe` file. You should be left with a directory only containing `chatterino.exe`.
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4. Open a command prompt and execute:
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cd C:\Users\example\src\build-chatterino-Desktop_Qt_5_15_2_MSVC2019_64bit-Release\release
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C:\Qt\5.15.2\msvc2019_64\bin\windeployqt.exe chatterino.exe
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5. The `releases` directory will now be populated with all the required files to make the chatterino build standalone.
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You can now create a zip archive of all the contents in `releases` and distribute the program as is, without requiring any development tools to be present on the target system. (However, the vcredist package must be present, as usual - see the [README](README.md)).
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### Building on MSVC with AddressSanitizer
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Make sure you installed `C++ AddressSanitizer` in your VisualStudio installation like described in the [Microsoft Docs](https://learn.microsoft.com/en-us/cpp/sanitizers/asan#install-the-addresssanitizer).
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To build Chatterino with AddressSanitizer on MSVC, you need to add `-DCMAKE_CXX_FLAGS=/fsanitize=address` to your CMake options.
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When you start Chatterino, and it's complaining about `clang_rt.asan_dbg_dynamic-x86_64.dll` missing,
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copy the file found in `<VisualStudio-installation-path>\VC\Tools\MSVC\<version>\bin\Hostx64\x64\clang_rt.asan_dbg_dynamic-x86_64.dll` to the `Chatterino` folder inside your `build` folder.
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To learn more about AddressSanitizer and MSVC, visit the [Microsoft Docs](https://learn.microsoft.com/en-us/cpp/sanitizers/asan).
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### Building/Running in CLion
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_Note:_ We're using `build` instead of the CLion default `cmake-build-debug` folder.
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Install [conan](https://conan.io/downloads.html) and make sure it's in your `PATH` (default setting).
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Clone the repository as described in the readme. Open a terminal in the cloned folder and enter the following commands:
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1. `mkdir build && cd build`
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2. `conan install .. -s build_type=Debug`
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Now open the project in CLion. You will be greeted with the _Open Project Wizard_. Set the _CMake Options_ to
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```
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-DCMAKE_PREFIX_PATH=C:\Qt\5.15.2\msvc2019_64\lib\cmake\Qt5
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-DCMAKE_TOOLCHAIN_FILE="conan_toolchain.cmake"
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```
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and the _Build Directory_ to `build`.
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<details>
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<summary>Screenshot of CMake configuration</summary>
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</details>
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After the CMake project is loaded, open the _Run/Debug Configurations_.
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Select the `CMake Applications > chatterino` configuration and add a new _Run External tool_ task to _Before launch_.
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- Set the _Program_ to `C:\Qt\5.15.2\msvc2019_64\bin\windeployqt.exe`
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- Set the _Arguments_
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to `$CMakeCurrentProductFile$ --debug --no-compiler-runtime --no-translations --no-opengl-sw --dir bin/`
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- Set the _Working directory_ to `$ProjectFileDir$\build`
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<details>
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<summary>Screenshot of External tool</summary>
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</details>
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<details>
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<summary>Screenshot of chatterino configuration</summary>
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</details>
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Now you can run the `chatterino | Debug` configuration.
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If you want to run the portable version of Chatterino, create a file called `modes` inside of `build/bin` and
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write `portable` into it.
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#### Debugging
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To visualize QT types like `QString`, you need to inform CLion and LLDB
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about these types.
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1. Set `Enable NatVis renderers for LLDB option`
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in `Settings | Build, Execution, Deployment | Debugger | Data Views | C/C++` (should be enabled by default).
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2. Use the official NatVis file for QT from [`qt-labs/vstools`](https://github.com/qt-labs/vstools) by saving them to
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the project root using PowerShell:
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<!--
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When switching to QT6 these need to be updated to qt6.natvis.xml.
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We need to do the replacement as the QT tools:
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https://github.com/qt-labs/vstools/blob/0769d945f8d0040917d654d9731e6b65951e102c/QtVsTools.Package/QtVsToolsPackage.cs#L390-L393
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-->
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```powershell
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(iwr "https://github.com/qt-labs/vstools/raw/dev/QtVsTools.Package/qt5.natvis.xml").Content -replace '##NAMESPACE##::', '' | Out-File qt5.natvis
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# [OR] using the permalink
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(iwr "https://github.com/qt-labs/vstools/raw/0769d945f8d0040917d654d9731e6b65951e102c/QtVsTools.Package/qt5.natvis.xml").Content -replace '##NAMESPACE##::', '' | Out-File qt5.natvis
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```
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Now you can debug the application and see QT types rendered correctly.
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If this didn't work for you, try following
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the [tutorial from JetBrains](https://www.jetbrains.com/help/clion/qt-tutorial.html#debug-renderers).
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