From 8d14e7c6f15a3dd5d29f99268bf0fdd4982da753 Mon Sep 17 00:00:00 2001
From: James Le Cuirot <chewi@gentoo.org>
Date: Mon, 1 Jan 2024 16:49:00 +0000
Subject: [PATCH] Optionally allow the system installation of wayland-protocols
 to be used (#1966)

---
 cmake/compile_definitions/linux.cmake | 11 +++++++++--
 cmake/macros/linux.cmake              |  8 ++++----
 cmake/prep/options.cmake              |  1 +
 3 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/cmake/compile_definitions/linux.cmake b/cmake/compile_definitions/linux.cmake
index c4950809..af35a09d 100644
--- a/cmake/compile_definitions/linux.cmake
+++ b/cmake/compile_definitions/linux.cmake
@@ -129,8 +129,15 @@ endif()
 if(WAYLAND_FOUND)
     add_compile_definitions(SUNSHINE_BUILD_WAYLAND)
 
-    GEN_WAYLAND("wayland-protocols" "unstable/xdg-output" xdg-output-unstable-v1)
-    GEN_WAYLAND("wlr-protocols" "unstable" wlr-export-dmabuf-unstable-v1)
+    if(NOT SUNSHINE_SYSTEM_WAYLAND_PROTOCOLS)
+        set(WAYLAND_PROTOCOLS_DIR "${CMAKE_SOURCE_DIR}/third-party/wayland-protocols")
+    else()
+        pkg_get_variable(WAYLAND_PROTOCOLS_DIR wayland-protocols pkgdatadir)
+        pkg_check_modules(WAYLAND_PROTOCOLS wayland-protocols REQUIRED)
+    endif()
+
+    GEN_WAYLAND("${WAYLAND_PROTOCOLS_DIR}" "unstable/xdg-output" xdg-output-unstable-v1)
+    GEN_WAYLAND("${CMAKE_SOURCE_DIR}/third-party/wlr-protocols" "unstable" wlr-export-dmabuf-unstable-v1)
 
     include_directories(
             SYSTEM
diff --git a/cmake/macros/linux.cmake b/cmake/macros/linux.cmake
index d84d0452..0bb5e043 100644
--- a/cmake/macros/linux.cmake
+++ b/cmake/macros/linux.cmake
@@ -5,17 +5,17 @@ macro(GEN_WAYLAND wayland_directory subdirectory filename)
     file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/generated-src)
 
     message("wayland-scanner private-code \
-${CMAKE_SOURCE_DIR}/third-party/${wayland_directory}/${subdirectory}/${filename}.xml \
+${wayland_directory}/${subdirectory}/${filename}.xml \
 ${CMAKE_BINARY_DIR}/generated-src/${filename}.c")
     message("wayland-scanner client-header \
-${CMAKE_SOURCE_DIR}/third-party/${wayland_directory}/${subdirectory}/${filename}.xml \
+${wayland_directory}/${subdirectory}/${filename}.xml \
 ${CMAKE_BINARY_DIR}/generated-src/${filename}.h")
     execute_process(
             COMMAND wayland-scanner private-code
-            ${CMAKE_SOURCE_DIR}/third-party/${wayland_directory}/${subdirectory}/${filename}.xml
+            ${wayland_directory}/${subdirectory}/${filename}.xml
             ${CMAKE_BINARY_DIR}/generated-src/${filename}.c
             COMMAND wayland-scanner client-header
-            ${CMAKE_SOURCE_DIR}/third-party/${wayland_directory}/${subdirectory}/${filename}.xml
+            ${wayland_directory}/${subdirectory}/${filename}.xml
             ${CMAKE_BINARY_DIR}/generated-src/${filename}.h
 
             RESULT_VARIABLE EXIT_INT
diff --git a/cmake/prep/options.cmake b/cmake/prep/options.cmake
index cb264618..dc6b5f6e 100644
--- a/cmake/prep/options.cmake
+++ b/cmake/prep/options.cmake
@@ -5,6 +5,7 @@ option(SUNSHINE_ENABLE_TRAY "Enable system tray icon. This option will be ignore
 option(SUNSHINE_REQUIRE_TRAY "Require system tray icon. Fail the build if tray requirements are not met." ON)
 
 option(SUNSHINE_SYSTEM_MINIUPNP "Use system installation of MiniUPnP rather than the submodule." OFF)
+option(SUNSHINE_SYSTEM_WAYLAND_PROTOCOLS "Use system installation of wayland-protocols rather than the submodule." OFF)
 
 if(APPLE)
     option(SUNSHINE_CONFIGURE_PORTFILE