scrcpy/BUILD.md

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# Build scrcpy
Here are the instructions to build _scrcpy_ (client and server).
You may want to build only the client: the server binary, which will be pushed
to the Android device, does not depend on your system and architecture. In that
case, use the [prebuilt server] (so you will not need Java or the Android SDK).
[prebuilt server]: #prebuilt-server
## Requirements
You need [adb]. It is available in the [Android SDK platform
tools][platform-tools], or packaged in your distribution (`adb`).
On Windows, download the [platform-tools][platform-tools-windows] and extract
the following files to a directory accessible from your `PATH`:
- `adb.exe`
- `AdbWinApi.dll`
- `AdbWinUsbApi.dll`
The client requires [FFmpeg] and [LibSDL2]. Just follow the instructions.
[adb]: https://developer.android.com/studio/command-line/adb.html
[platform-tools]: https://developer.android.com/studio/releases/platform-tools.html
[platform-tools-windows]: https://dl.google.com/android/repository/platform-tools-latest-windows.zip
[ffmpeg]: https://en.wikipedia.org/wiki/FFmpeg
[LibSDL2]: https://en.wikipedia.org/wiki/Simple_DirectMedia_Layer
## System-specific steps
### Linux
Install the required packages from your package manager.
#### Debian/Ubuntu
```bash
# runtime dependencies
sudo apt install ffmpeg libsdl2-2.0-0 adb
# client build dependencies
sudo apt install gcc git pkg-config meson ninja-build \
libavcodec-dev libavformat-dev libavutil-dev \
libsdl2-dev
# server build dependencies
sudo apt install openjdk-8-jdk
```
On old versions (like Ubuntu 16.04), `meson` is too old. In that case, install
it from `pip3`:
```bash
sudo apt install python3-pip
pip3 install meson
```
#### Fedora
```bash
# enable RPM fusion free
sudo dnf install https://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm
# client build dependencies
sudo dnf install SDL2-devel ffms2-devel meson gcc make
# server build dependencies
sudo dnf install java-devel
```
### Windows
#### Cross-compile from Linux
This is the preferred method (and the way the release is built).
From _Debian_, install _mingw_:
```bash
sudo apt install mingw-w64 mingw-w64-tools
```
You also need the JDK to build the server:
```bash
sudo apt install openjdk-8-jdk
```
Then generate the releases:
```bash
make -f Makefile.CrossWindows
```
It will generate win32 and win64 releases into `dist/`.
#### In MSYS2
From Windows, you need [MSYS2] to build the project. From an MSYS2 terminal,
install the required packages:
[MSYS2]: http://www.msys2.org/
```bash
# runtime dependencies
pacman -S mingw-w64-x86_64-SDL2 \
mingw-w64-x86_64-ffmpeg
# client build dependencies
pacman -S mingw-w64-x86_64-make \
mingw-w64-x86_64-gcc \
mingw-w64-x86_64-pkg-config \
mingw-w64-x86_64-meson
```
For a 32 bits version, replace `x86_64` by `i686`:
```bash
# runtime dependencies
pacman -S mingw-w64-i686-SDL2 \
mingw-w64-i686-ffmpeg
# client build dependencies
pacman -S mingw-w64-i686-make \
mingw-w64-i686-gcc \
mingw-w64-i686-pkg-config \
mingw-w64-i686-meson
```
Java (>= 7) is not available in MSYS2, so if you plan to build the server,
install it manually and make it available from the `PATH`:
```bash
export PATH="$JAVA_HOME/bin:$PATH"
```
### Mac OS
Install the packages with [Homebrew]:
[Homebrew]: https://brew.sh/
```bash
# runtime dependencies
brew install sdl2 ffmpeg
# client build dependencies
brew install pkg-config meson
```
Additionally, if you want to build the server, install Java 8 from Caskroom, and
make it avaliable from the `PATH`:
```bash
brew tap caskroom/versions
brew cask install java8
export JAVA_HOME="$(/usr/libexec/java_home --version 1.8)"
export PATH="$JAVA_HOME/bin:$PATH"
```
### Docker
See [pierlon/scrcpy-docker](https://github.com/pierlon/scrcpy-docker).
## Common steps
If you want to build the server, install the [Android SDK] (_Android Studio_),
and set `ANDROID_HOME` to its directory. For example:
[Android SDK]: https://developer.android.com/studio/index.html
```bash
export ANDROID_HOME=~/android/sdk
```
If you don't want to build the server, use the [prebuilt server].
Clone the project:
```bash
git clone https://github.com/Genymobile/scrcpy
cd scrcpy
```
Then, build:
```bash
meson x --buildtype release --strip -Db_lto=true
ninja -Cx
```
_Note: `ninja` [must][ninja-user] be run as a non-root user (only `ninja
install` must be run as root)._
[ninja-user]: https://github.com/Genymobile/scrcpy/commit/4c49b27e9f6be02b8e63b508b60535426bd0291a
### Run
To run without installing:
```bash
./run x [options]
```
### Install
After a successful build, you can install _scrcpy_ on the system:
```bash
sudo ninja -Cx install # without sudo on Windows
```
This installs two files:
- `/usr/local/bin/scrcpy`
- `/usr/local/share/scrcpy/scrcpy-server`
Just remove them to "uninstall" the application.
You can then [run](README.md#run) _scrcpy_.
## Prebuilt server
- [`scrcpy-server-v1.12.1`][direct-scrcpy-server]
_(SHA-256: 63e569c8a1d0c1df31d48c4214871c479a601782945fed50c1e61167d78266ea)_
[direct-scrcpy-server]: https://github.com/Genymobile/scrcpy/releases/download/v1.12.1/scrcpy-server-v1.12.1
Download the prebuilt server somewhere, and specify its path during the Meson
configuration:
```bash
meson x --buildtype release --strip -Db_lto=true \
-Dprebuilt_server=/path/to/scrcpy-server
ninja -Cx
sudo ninja -Cx install
```