A single shell script to get and install all the requirements for compiling Godot, for Windows, Linux, Android, and Web.

gd_compile_req.sh

godot_tag="4.1.1-stable" # Godot 4 only
android_cmdline_dl="url" # get from https://developer.android.com/studio at "Command line tools only"

sudo apt update && sudo apt-get upgrade && \
python -m pip install scons &&\
sudo apt install \
    pkg-config \
    build-essential \
    zip \
    unzip \
    scons \
    mingw-w64 \
    libx11-dev \
    libxcursor-dev \
    libxinerama-dev \
    libgl1-mesa-dev \
    libglu-dev \
    libasound2-dev \
    libpulse-dev \
    libudev-dev \
    libxi-dev \
    libxrandr-dev \
    android-sdk \
    openjdk-11-jdk

sudo update-alternatives --config x86_64-w64-mingw32-gcc
sudo update-alternatives --config x86_64-w64-mingw32-g++
sudo update-alternatives --config i686-w64-mingw32-gcc
sudo update-alternatives --config i686-w64-mingw32-g++

echo "bin/" | cat >> .gitignore &&\
echo "godot/" | cat > .gitignore &&\
echo "cmdline-tools/" | cat >> .gitignore &&\
echo "lib/" | cat >> .gitignore &&\
echo "emsdk/" | cat >> .gitignore &&\
echo "cmdline-tools.zip" | cat >> .gitignore

# Android

# curl $android_cmdline_dl \
#     --output cmdline-tools.zip &&\
# unzip cmdline-tools.zip -d ./

# cmdline-tools/bin/sdkmanager --sdk_root=lib/android-sdk --licenses &&\
# cmdline-tools/bin/sdkmanager --sdk_root=lib/android-sdk\
#     "platform-tools"\
#     "build-tools;30.0.3"\
#     "platforms;android-29"\
#     "cmdline-tools;latest"\
#     "cmake;3.10.2.4988404" &&\

# export ANDROID_SDK_ROOT=lib/android-sdk

# Web

git clone https://github.com/emscripten-core/emsdk.git && cd emsdk/ &&\
./emsdk install latest &&\
./emsdk activate latest &&\
source ./emsdk_env.sh &&\
cd ..

# Getting Godot source code

git clone https://github.com/godotengine/godot.git -b $godot_tag && mkdir bin/ && cd godot

scons platform=list

# Make the script executable:
# chmod +x ./gd_compile_req.sh