build ryujinx steamdeck
should work on any arch-based shit. (steam deck is based on arch)

Copy and paste everything within the next code block into a file called ryujinx_build.sh

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#!/bin/bash
sudo pacman -S git
cd ~/Documents

# install aur helper
sudo pacman -S --needed base-devel
git clone https://aur.archlinux.org/paru.git
cd paru
makepkg -si
cd ..
#

# install ryujinx deps and build ryujinx
paru -S dotnet-sdk-bin
git clone https://github.com/Ryujinx/Ryujinx
cd Ryujinx
wget https://pastebin.com/raw/NRnV3Du3
git apply NRnV3Du3
dotnet build -c Release -o build

open konsole and go to that file (if you use dolphin you can go to the folder then hit F4 to bring up a builtin terminal that follows the current directory)

Run the script with
chmod +x ./ryujinx_build.sh && ./ryujinx_build.sh

Make sure to follow the prompts that come up after running the script, and also try to understand what everything
does, cus people can take advantage of you when asking you to copy paste shit like this. especially when it uses sudo!!

If running wayland or it doesn't launch for you try:
GDK_BACKEND=x11 SDL_VIDEODRIVER=x11 ./build/Ryujinx
else
./build/Ryujinx or click in a file manager (dolphin)