Remove build-time dependency on X11

CMakeLists.txt

@@ -4,11 +4,12 @@ project(WaylandExample)
 find_package(ECM REQUIRED NO_MODULE)
 set(CMAKE_MODULE_PATH ${ECM_MODULE_PATH})
 
+find_package(PkgConfig REQUIRED)
 find_package(Vulkan REQUIRED COMPONENTS glslc)
 find_package(Wayland REQUIRED COMPONENTS Client Cursor)
 find_package(WaylandProtocols REQUIRED)
 find_package(WaylandScanner REQUIRED)
-find_package(X11 REQUIRED COMPONENTS xkbcommon)
+pkg_check_modules(XKB REQUIRED IMPORTED_TARGET xkbcommon)
 
 set(GLSLC_ARGS "--target-env=vulkan1.3" CACHE STRING "Additional arguments for glslc")
 
@@ -51,7 +52,7 @@ ecm_add_wayland_client_protocol(wayland_example PROTOCOL ${WaylandProtocols_DATA
 set_target_properties(wayland_example PROPERTIES CXX_STANDARD 23)
 target_compile_definitions(wayland_example PRIVATE GLM_FORCE_LEFT_HANDED VK_NO_PROTOTYPES VK_USE_PLATFORM_WAYLAND_KHR)
 target_include_directories(wayland_example PRIVATE ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR})
-target_link_libraries(wayland_example Wayland::Client Wayland::Cursor X11::xkbcommon)
+target_link_libraries(wayland_example PkgConfig::XKB Wayland::Client Wayland::Cursor)
 
 add_shader_target(all_shaders main.frag main.vert)
 add_dependencies(wayland_example all_shaders)

README.md

@@ -25,14 +25,14 @@ Also required to build, but not used:
 
 * No client side decoration support, only fullscreen is suppported if XDG Decoration is not provided by the compositor
 * No support for animated cursors when Cursor Shape is not supported
-* Build-time requirement on X11 headers/library being present
 
 ## Dependencies
 
 * C/C++ compiler (tested with clang++ 18)
 * CMake
 * [Extra Cmake Modules](https://api.kde.org/frameworks/extra-cmake-modules/html/index.html) by KDE
 * GLM headers
+* pkg-config executable
 * Vulkan SDK
   * Vulkan headers
   * VMA headers
@@ -48,7 +48,6 @@ Also required to build, but not used:
   * unstable/xdg-decoration
 * Wayland Scanner executable
 * XKBCommon headers/library
-* X11 headers/library
 
 ## Testing
 
@@ -77,5 +76,5 @@ This project is licensed under the MIT License - see the LICENSE.md file for det
 
 ## Acknowledgments
 
-Members of the [Vulkan Discord](https://www.discord.gg/vulkan) for driving me insane with their questions to the point I wrote this project
-#wayland on [OFTC](https://www.oftc.net/) IRC for their help in understanding the protocol
+* Members of the [Vulkan Discord](https://www.discord.gg/vulkan) for driving me insane with their questions to the point I wrote this project
+* #wayland on [OFTC](https://www.oftc.net/) IRC for their help in understanding the protocol