rpcs3/BUILDING.md

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# Building
Only Windows and Linux are officially supported for building. However, various other platforms are capable of building RPCS3.
Other instructions may be found [here](https://wiki.rpcs3.net/index.php?title=Building).
## Setup your environment
### Windows 10 or later
The following tools are required to build RPCS3 on Windows 10 or later:
- [Visual Studio 2022](https://visualstudio.microsoft.com/thank-you-downloading-visual-studio/?sku=Community) (or at least Visual Studio 2019 16.11.xx+ as C++20 is not included in previous versions)
- **Optional** - [CMake 3.28.0+](https://www.cmake.org/download/) (add to PATH)
**NOTES:**
- **Visual Studio 2022** integrates **CMake 3.29+** and it also supports both the `sln` solution (`.sln`, `.vcxproj`) and `CMake` solution (`CMakeLists.txt`, `CMakePresets.json`).
See sections [Building with Visual Studio sln solution](#building-with-visual-studio-sln-solution) and [Building with Visual Studio CMake solution](#building-with-visual-studio-cmake-solution)
on how to build the project with **Visual Studio**.
- Install and use this standalone **CMake** tool just in case of your preference. See section [Building with standalone CMake tool](#building-with-standalone-cmake-tool) on how to build the project
with standalone **CMake** tool.
- [Python 3.6+](https://www.python.org/downloads/) (add to PATH)
- [Qt 6.7.3](https://www.qt.io/download-qt-installer)
- [Vulkan SDK 1.3.268.0](https://vulkan.lunarg.com/sdk/home) (see "Install the SDK" [here](https://vulkan.lunarg.com/doc/sdk/latest/windows/getting_started.html)) for now future SDKs don't work. You need precisely 1.3.268.0.
The `sln` solution available only on **Visual Studio** is the preferred building solution. It easily allows to build the **RPCS3** application in `Release` and `Debug` mode.
In order to build **RPCS3** with the `sln` solution (with **Visual Studio**), **Qt** libs need to be detected. To detect the libs:
- add and set the `QTDIR` environment variable, e.g. `<QtInstallFolder>\6.7.3\msvc2019_64\`
- or use the [Visual Studio Qt Plugin](https://marketplace.visualstudio.com/items?itemName=TheQtCompany.QtVisualStudioTools2019)
**NOTE:** If you have issues with the **Visual Studio Qt Plugin**, you may want to uninstall it and install the [Legacy Qt Plugin](https://marketplace.visualstudio.com/items?itemName=TheQtCompany.LEGACYQtVisualStudioTools2019) instead.
In order to build **RPCS3** with the `CMake` solution (with both **Visual Studio** and standalone **CMake** tool):
- add and set the `CMAKE_PREFIX_PATH` environment variable to the **Qt** libs path, e.g. `<QtInstallFolder>\6.7.3\msvc2019_64\`
### Linux
These are the essentials tools to build RPCS3 on Linux. Some of them can be installed through your favorite package manager:
- Clang 17+ or GCC 13+
- [CMake 3.28.0+](https://www.cmake.org/download/)
- [Qt 6.7.3](https://www.qt.io/download-qt-installer)
- [Vulkan SDK 1.3.268.0](https://vulkan.lunarg.com/sdk/home) (See "Install the SDK" [here](https://vulkan.lunarg.com/doc/sdk/latest/linux/getting_started.html)) for now future SDKs don't work. You need precisely 1.3.268.0.
- [SDL2](https://github.com/libsdl-org/SDL/releases) (for the FAudio backend)
**If you have an NVIDIA GPU, you may need to install the libglvnd package.**
#### Arch Linux
sudo pacman -S glew openal cmake vulkan-validation-layers qt6-base qt6-declarative qt6-multimedia qt6-svg sdl2 sndio jack2 base-devel
#### Debian & Ubuntu
sudo apt-get install build-essential libasound2-dev libpulse-dev libopenal-dev libglew-dev zlib1g-dev libedit-dev libvulkan-dev libudev-dev git libevdev-dev libsdl2-2.0 libsdl2-dev libjack-dev libsndio-dev
Ubuntu is usually horrendously out of date, and some packages need to be downloaded by hand. This part is for Qt, GCC, Vulkan, and CMake
##### Qt PPA
Ubuntu usually does not have a new enough Qt package to suit rpcs3's needs. There is currently no PPA available to work around this.
##### GCC 13.x installation
If the `gcc-13` package is not available on your system, use the following commands
```
sudo add-apt-repository ppa:ubuntu-toolchain-r/test
sudo apt-get update
sudo apt-get install gcc-13 g++-13
```
You can either use `update-alternatives` to setup `gcc-13`/`g++-13` as your default compilers or prefix any `cmake` command by `CXX=g++-13 CC=gcc-13 ` to use it.
##### Vulkan SDK
For Ubuntu systems, it is strongly recommended to use the PPA from [LunarG](https://packages.lunarg.com/) which will provide a compatible Vulkan SDK to compile RPCS3. If your Vulkan SDK is older, it can lead to compilation errors.
```
. /etc/os-release
wget -qO - https://packages.lunarg.com/lunarg-signing-key-pub.asc | sudo apt-key add -
sudo wget -qO /etc/apt/sources.list.d/lunarg-vulkan-1.3.268-$UBUNTU_CODENAME.list https://packages.lunarg.com/vulkan/1.3.268/lunarg-vulkan-1.3.268-$UBUNTU_CODENAME.list
sudo apt update
sudo apt install vulkan-sdk
```
##### CMake
```
. /etc/os-release
wget -O - https://apt.kitware.com/keys/kitware-archive-latest.asc 2>/dev/null | sudo apt-key add -
sudo apt-add-repository "deb https://apt.kitware.com/ubuntu/ $UBUNTU_CODENAME main"
sudo apt-get update
sudo apt-get install kitware-archive-keyring
sudo apt-key --keyring /etc/apt/trusted.gpg del C1F34CDD40CD72DA
sudo apt-get install cmake
```
#### Fedora
sudo dnf install alsa-lib-devel cmake glew glew-devel libatomic libevdev-devel libudev-devel openal-devel qt6-qtbase-devel qt6-qtbase-private-devel vulkan-devel pipewire-jack-audio-connection-kit-devel qt6-qtmultimedia-devel qt6-qtsvg-devel
#### OpenSUSE
sudo zypper install git cmake libasound2 libpulse-devel openal-soft-devel glew-devel zlib-devel libedit-devel vulkan-devel libudev-devel libqt6-qtbase-devel libqt6-qtmultimedia-devel libqt6-qtsvg-devel libQt6Gui-private-headers-devel libevdev-devel libsndio7_1 libjack-devel
## Setup the project
Clone and initialize the repository
```
git clone https://github.com/RPCS3/rpcs3.git
cd rpcs3
git submodule update --init
```
### Windows
#### Building with Visual Studio sln solution
Start **Visual Studio**, click on `Open a project or solution` and select the `rpcs3.sln` file inside the RPCS3's root folder
##### Configuring the Qt Plugin (if used)
1) go to `Extensions->Qt VS Tools->Qt Versions`
2) add the path to your Qt installation with compiler e.g. `<QtInstallFolder>\6.7.3\msvc2019_64`, version will fill in automatically
3) go to `Extensions->Qt VS Tools->Options->Legacy Project Format`. (Only available in the **Legacy Qt Plugin**)
4) set `Build: Run pre-build setup` to `true`. (Only available in the **Legacy Qt Plugin**)
##### Building the projects
**NOTE:** The recommended build configuration is `Release`. (On older revisions: `Release - LLVM`)
You may want to download the precompiled [LLVM libs](https://github.com/RPCS3/llvm-mirror/releases/download/custom-build-win-16.0.1/llvmlibs_mt.7z) and extract them to `3rdparty\llvm\`,
as well as download and extract the [additional libs](https://github.com/RPCS3/glslang/releases/latest/download/glslanglibs_mt.7z) to `lib\%CONFIGURATION%-x64\` to speed up compilation
time (unoptimised/debug libs are currently not available precompiled).
If you're not using the precompiled libs, those dependency libs need to be compiled first. From the `Solution Explorer` panel:
1) expand `__BUILD_BEFORE`
2) from the `Solution Configurations` drop-down menu, select `Release` (select `Debug` if you want to build in `Debug` mode)
3) one after another, right-click on the following projects and then click on `Build` to build the selected lib:
- `glslang`
- either `llvm_build`
- or `llvm_build_clang_cl` (if you installed **clang** on VS)
In order to build the **RPCS3** application:
1) from the `Solution Configurations` drop-down menu, select `Release` (select `Debug` if you want to build in `Debug` mode)
**NOTE:** In case you previously compiled the dependency libs under `__BUILD_BEFORE`, you have also to select the same build configuration (e.g. `Release`, if you compiled the dependency libs in `Release` mode)
2) click on `Build` menu and then on `Build Solution`
3) once the build is completed, the **RPCS3** application will be available under the `<rpcs3_root>\bin` folder
#### Building with Visual Studio CMake solution
Start **Visual Studio**, click on `Open a local folder` and select the RPCS3's root folder
Once the project is open on VS, from the `Solution Explorer` panel:
1) right-click on `rpcs3` and then click on `Switch to CMake Targets View`
2) from the `Configuration` drop-down menu, select `msvc-release` (select `msvc-debug` if you want to build in `Debug` mode)
3) right-click on `CMakeLists.txt Project` and then click on `Configure Cache`
4) once the cache is created, the `rpcs3 project` will be available
5) right-click on `rpcs3 Project` and then click on `Build All`, or click on `Build` menu and then on `Build All`
6) once the build is completed, the **RPCS3** application will be available under the `<rpcs3_root>\build-msvc\bin` folder
#### Building with standalone CMake tool
In case you preferred to install and use the standalone **CMake** tool:
1) move on the RPCS3's root folder
2) execute the following commands to create the cache and to build the application (for the build, use `--preset msvc-debug` if you want to build in `Debug` mode), respectively:
```
cmake --preset msvc
cmake --build --preset msvc-release
```
3) once the build is completed, the **RPCS3** application will be available under the `<rpcs3_root>\build-msvc\bin` folder
### Linux
While still in the project root:
1) `cd .. && mkdir --parents rpcs3_build && cd rpcs3_build`
2) `cmake ../rpcs3/ && make` or `CXX=g++-13 CC=gcc-13 cmake ../rpcs3/ && make` to force these compilers
3) run RPCS3 with `./bin/rpcs3`
If compiling for ARM, pass the flag `-DUSE_NATIVE_INSTRUCTIONS=OFF` to the cmake command. This resolves some Neon errors when compiling our SIMD headers.
When using GDB, configure it to ignore SIGSEGV signal (`handle SIGSEGV nostop noprint`).
If desired, use the various build options in [CMakeLists](https://github.com/RPCS3/rpcs3/blob/master/CMakeLists.txt).