From 2c039595110ec3b5804cb6f12615ba9e77f25c0d Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Wed, 22 Mar 2023 10:45:24 +0100
Subject: CMake: check for presence of needed Wayland protocol source files

---
 src/CMakeLists.txt | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'src')

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 741d1f5b8..02a6dbd81 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -650,6 +650,22 @@ if (UNIX AND OPTION_USE_WAYLAND)
       set(PROTOCOLS /usr/share/wayland-protocols)
     endif (${CMAKE_HOST_SYSTEM_NAME} STREQUAL "FreeBSD")
   endif (NOT (CMAKE_VERSION VERSION_LESS 3.4))
+  if (NOT(EXISTS ${PROTOCOLS}/stable/xdg-shell/xdg-shell.xml))
+    message(WARNING "Install necessary file ${PROTOCOLS}/stable/xdg-shell/xdg-shell.xml")
+  endif ()
+  if (NOT(EXISTS ${PROTOCOLS}/unstable/xdg-decoration/xdg-decoration-unstable-v1.xml))
+    message(WARNING
+      "Install necessary file ${PROTOCOLS}/unstable/xdg-decoration/xdg-decoration-unstable-v1.xml")
+  endif ()
+  if (NOT(EXISTS ${PROTOCOLS}/unstable/text-input/text-input-unstable-v3.xml))
+    message(WARNING
+      "Install necessary file ${PROTOCOLS}/unstable/text-input/text-input-unstable-v3.xml")
+  endif ()
+  if (NOT((EXISTS ${PROTOCOLS}/stable/xdg-shell/xdg-shell.xml) AND
+          (EXISTS ${PROTOCOLS}/unstable/xdg-decoration/xdg-decoration-unstable-v1.xml) AND
+          (EXISTS ${PROTOCOLS}/unstable/text-input/text-input-unstable-v3.xml)))
+      message(FATAL_ERROR "*** Terminating: one or more required file(s) missing.")
+  endif ()
   add_custom_command(
     OUTPUT xdg-shell-protocol.c xdg-shell-client-protocol.h
     COMMAND wayland-scanner private-code ${PROTOCOLS}/stable/xdg-shell/xdg-shell.xml xdg-shell-protocol.c
-- 
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