MacOS: Add workaround for std::variant

2023-01-02 18:58:53 +00:00
parent 24b744f7c8
commit 5e76e6fb07
3 changed files with 25 additions and 0 deletions
--- a/cmake/CompileFlags.cmake
+++ b/cmake/CompileFlags.cmake
@@ -193,4 +193,9 @@ macro(compile_flags)
        # rdynamic is used to get useful stack traces from crash reports.
        set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -rdynamic")
    endif()
+
+    if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
+        # workaround for MacOS 10.13 and below which does not support std::variant, etc
+        add_definitions(-D_LIBCPP_DISABLE_AVAILABILITY)
+    endif()
 endmacro()