From 2306d904c779ff6154cf3d1cfcfb2d8da71702f9 Mon Sep 17 00:00:00 2001
From: Nikolay Kasyanov <corrmage@gmail.com>
Date: Wed, 26 Dec 2018 16:57:10 +0100
Subject: [PATCH] [macOS] Fail CMake when trying to use CMake 3.13 for macOS
 packaging

---
 CMakeLists.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 48df24774..f34e3c83c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -795,6 +795,10 @@ endif()
 
 # Apple bundling
 if (OPENMW_OSX_DEPLOYMENT AND APPLE AND DESIRED_QT_VERSION MATCHES 5)
+    if (${CMAKE_MAJOR_VERSION} STREQUAL "3" AND ${CMAKE_MINOR_VERSION} STREQUAL "13")
+        message(FATAL_ERROR "macOS packaging is broken in CMake 3.13.*, see https://gitlab.com/OpenMW/openmw/issues/4767. Please use an older version like 3.12.4")
+    endif ()
+
     get_property(QT_COCOA_PLUGIN_PATH TARGET Qt5::QCocoaIntegrationPlugin PROPERTY LOCATION_RELEASE)
     get_filename_component(QT_COCOA_PLUGIN_DIR "${QT_COCOA_PLUGIN_PATH}" DIRECTORY)
     get_filename_component(QT_COCOA_PLUGIN_GROUP "${QT_COCOA_PLUGIN_DIR}" NAME)