build: remove libXext

Signed-off-by: Yuxuan Shui <yshuiv7@gmail.com>

.builds/freebsd.yml

@@ -1,7 +1,6 @@
 image: freebsd/latest
 packages:
   - libev
-  - libXext
   - libxcb
   - meson
   - pkgconf

.github/workflows/codeql-analysis.yml

@@ -34,7 +34,7 @@ jobs:
         languages: ${{ matrix.language }}
 
     # Install dependencies
-    - run: sudo apt update && sudo apt install libdbus-1-dev libegl-dev libev-dev libgl-dev libpcre2-dev libpixman-1-dev libx11-xcb-dev libxcb1-dev libxcb-composite0-dev libxcb-damage0-dev libxcb-glx0-dev libxcb-image0-dev libxcb-present-dev libxcb-randr0-dev libxcb-render0-dev libxcb-render-util0-dev libxcb-shape0-dev libxcb-util-dev libxcb-xfixes0-dev libxext-dev meson ninja-build uthash-dev
+    - run: sudo apt update && sudo apt install libdbus-1-dev libegl-dev libev-dev libgl-dev libpcre2-dev libpixman-1-dev libx11-xcb-dev libxcb1-dev libxcb-composite0-dev libxcb-damage0-dev libxcb-glx0-dev libxcb-image0-dev libxcb-present-dev libxcb-randr0-dev libxcb-render0-dev libxcb-render-util0-dev libxcb-shape0-dev libxcb-util-dev libxcb-xfixes0-dev meson ninja-build uthash-dev
       if: ${{ matrix.language == 'cpp' }}
 
     # Autobuild

CHANGELOG.md

@@ -53,7 +53,8 @@
 * picom now uses some OpenGL 4.3 features.
 * picom now optionally depends on `rtkit` at runtime to give itself realtime scheduling priority.
 * `libconfig` is now a mandatory dependency, with a minimal supported version of 1.7.
-* picom doesn't depend on `xcb-dpms` anymore.
+* `xcb-dpms` is not needed anymore.
+* `libXext` is not needed anymore.
 
 # v11.2 (2024-Feb-13)
 

README.md

@@ -23,7 +23,6 @@ Assuming you already have all the usual building tools installed (e.g. gcc, pyth
 
 * libx11
 * libx11-xcb
-* libXext
 * xproto
 * xcb
 * xcb-util
@@ -48,13 +47,13 @@ Assuming you already have all the usual building tools installed (e.g. gcc, pyth
 On Debian based distributions (e.g. Ubuntu), the needed packages are
 
 ```
-libconfig-dev libdbus-1-dev libegl-dev libev-dev libgl-dev libepoxy-dev libpcre2-dev libpixman-1-dev libx11-xcb-dev libxcb1-dev libxcb-composite0-dev libxcb-damage0-dev libxcb-glx0-dev libxcb-image0-dev libxcb-present-dev libxcb-randr0-dev libxcb-render0-dev libxcb-render-util0-dev libxcb-shape0-dev libxcb-util-dev libxcb-xfixes0-dev libxext-dev meson ninja-build uthash-dev
+libconfig-dev libdbus-1-dev libegl-dev libev-dev libgl-dev libepoxy-dev libpcre2-dev libpixman-1-dev libx11-xcb-dev libxcb1-dev libxcb-composite0-dev libxcb-damage0-dev libxcb-glx0-dev libxcb-image0-dev libxcb-present-dev libxcb-randr0-dev libxcb-render0-dev libxcb-render-util0-dev libxcb-shape0-dev libxcb-util-dev libxcb-xfixes0-dev meson ninja-build uthash-dev
 ```
 
 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 libepoxy-devel meson pcre2-devel pixman-devel uthash-devel xcb-util-image-devel xcb-util-renderutil-devel xorg-x11-proto-devel xcb-util-devel
+dbus-devel gcc git libconfig-devel libdrm-devel libev-devel libX11-devel libX11-xcb libxcb-devel libGL-devel libEGL-devel libepoxy-devel meson pcre2-devel pixman-devel uthash-devel xcb-util-image-devel xcb-util-renderutil-devel xorg-x11-proto-devel xcb-util-devel
 ```
 
 To build the documents, you need `asciidoc`

src/meson.build

@@ -23,7 +23,7 @@ required_xcb_packages = [
 # Some XCB packages are here because their versioning differs (see check below).
 required_packages = [
 	'pixman-1', 'x11', 'x11-xcb', 'xcb-image', 'xcb-renderutil', 'xcb-util',
-	'xext', 'threads',
+	'threads',
 ]
 
 foreach i : required_packages