From ff4fc05b185933fdee5e645d7dc3502fdea30525 Mon Sep 17 00:00:00 2001
From: Chris Thrasher <chrisjthrasher@gmail.com>
Date: Tue, 21 Dec 2021 22:59:23 -0600
Subject: [PATCH] Stop configuration when GCC is detected on macOS

---
 cmake/Macros.cmake | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/cmake/Macros.cmake b/cmake/Macros.cmake
index 286103ef..095d45c5 100644
--- a/cmake/Macros.cmake
+++ b/cmake/Macros.cmake
@@ -23,9 +23,11 @@ function(sfml_set_stdlib target)
     if (SFML_OS_MACOSX)
         if (${CMAKE_GENERATOR} MATCHES "Xcode")
             sfml_set_xcode_property(${target} CLANG_CXX_LIBRARY "libc++")
-        else()
+        elseif(SFML_COMPILER_CLANG)
             target_compile_options(${target} PRIVATE "-stdlib=libc++")
             target_link_libraries(${target} PRIVATE "-stdlib=libc++")
+        else()
+            message(FATAL_ERROR "Clang is the only supported compiler on macOS")
         endif()
     endif()
 endfunction()