From d1d788fcb373826a7f8a20cbe9d507ea735cd578 Mon Sep 17 00:00:00 2001
From: Jonny Paton <jonathan.r.paton@googlemail.com>
Date: Mon, 27 Aug 2018 11:49:42 +0100
Subject: [PATCH] Add -ObjC flag to fix static linking on macOS

---
 src/SFML/Window/CMakeLists.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/SFML/Window/CMakeLists.txt b/src/SFML/Window/CMakeLists.txt
index 1fe8b5a43..98ea43946 100644
--- a/src/SFML/Window/CMakeLists.txt
+++ b/src/SFML/Window/CMakeLists.txt
@@ -229,6 +229,11 @@ sfml_add_library(sfml-window
                  SOURCES ${SRC} ${PLATFORM_SRC})
 target_link_libraries(sfml-window PUBLIC sfml-system)
 
+# When static linking on macOS, we need to add this flag for objective C to work
+if ((NOT BUILD_SHARED_LIBS) AND SFML_OS_MACOSX)
+    target_link_libraries(sfml-window PRIVATE -ObjC)
+endif()
+
 # find and setup usage for external libraries
 if(SFML_OS_LINUX OR SFML_OS_FREEBSD OR SFML_OPENBSD)
     sfml_find_package(X11 INCLUDE "X11_INCLUDE_DIR" LINK "X11_X11_LIB" "X11_Xrandr_LIB")