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picom/README.md
Yuxuan Shui 94183c8e03
README: add libEGL dependency
Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>
2022-09-29 08:03:20 +01:00

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picom
=====
__picom__ is a compositor for X, and a [fork of Compton](History.md).
**This is a development branch, bugs to be expected**
You can leave your feedback or thoughts in the [discussion tab](https://github.com/yshui/picom/discussions).
## Change Log
See [Releases](https://github.com/yshui/picom/releases)
## Build
### Dependencies
Assuming you already have all the usual building tools installed (e.g. gcc, python, meson, ninja, etc.), you still need:
* libx11
* libx11-xcb
* libXext
* xproto
* xcb
* xcb-damage
* xcb-xfixes
* xcb-shape
* xcb-renderutil
* xcb-render
* xcb-randr
* xcb-composite
* xcb-image
* xcb-present
* xcb-xinerama
* xcb-glx
* pixman
* libdbus (optional, disable with the `-Ddbus=false` meson configure flag)
* libconfig (optional, disable with the `-Dconfig_file=false` meson configure flag)
* libGL, libEGL (optional, disable with the `-Dopengl=false` meson configure flag)
* libpcre (optional, disable with the `-Dregex=false` meson configure flag)
* libev
* uthash
On Debian based distributions (e.g. Ubuntu), the needed packages are
```
libxext-dev libxcb1-dev libxcb-damage0-dev libxcb-xfixes0-dev libxcb-shape0-dev libxcb-render-util0-dev libxcb-render0-dev libxcb-randr0-dev libxcb-composite0-dev libxcb-image0-dev libxcb-present-dev libxcb-xinerama0-dev libxcb-glx0-dev libpixman-1-dev libdbus-1-dev libconfig-dev libgl-dev libegl-dev libpcre2-dev libpcre3-dev libevdev-dev uthash-dev libev-dev libx11-xcb-dev meson
```
On Fedora, the needed packages are
```
dbus-devel gcc git libconfig-devel libdrm-devel libev-devel libX11-devel libX11-xcb libXext-devel libxcb-devel libGL-devel libEGL-devel meson pcre-devel pixman-devel uthash-devel xcb-util-image-devel xcb-util-renderutil-devel xorg-x11-proto-devel
```
To build the documents, you need `asciidoc`
### To build
```bash
$ git submodule update --init --recursive
$ meson --buildtype=release . build
$ ninja -C build
```
Built binary can be found in `build/src`
If you have libraries and/or headers installed at non-default location (e.g. under `/usr/local/`), you might need to tell meson about them, since meson doesn't look for dependencies there by default.
You can do that by setting the `CPPFLAGS` and `LDFLAGS` environment variables when running `meson`. Like this:
```bash
$ LDFLAGS="-L/path/to/libraries" CPPFLAGS="-I/path/to/headers" meson --buildtype=release . build
```
As an example, on FreeBSD, you might have to run meson with:
```bash
$ LDFLAGS="-L/usr/local/lib" CPPFLAGS="-I/usr/local/include" meson --buildtype=release . build
$ ninja -C build
```
### To install
``` bash
$ ninja -C build install
```
Default install prefix is `/usr/local`, you can change it with `meson configure -Dprefix=<path> build`
## How to Contribute
### Code
You can look at the [Projects](https://github.com/yshui/picom/projects) page, and see if there is anything that interests you. Or you can take a look at the [Issues](https://github.com/yshui/picom/issues).
### Non-code
Even if you don't want to contribute code, you can still contribute by compiling and running this branch, and report any issue you can find.
Contributions to the documents and wiki will also be appreciated.
## Contributors
See [CONTRIBUTORS](CONTRIBUTORS)
The README for the [original Compton project](https://github.com/chjj/compton/) can be found [here](History.md#Compton).
## Licensing
picom is free software, made available under the [MIT](LICENSES/MIT) and [MPL-2.0](LICENSES/MPL-2.0) software
licenses. See the individual source files for details.