Fix bad_any_cast errors by disabling RTTI.

UE disables it, and apparently on Linux/Android/Apple, mixing libraries compiled with and without RTTI is a mess.
CesiumGS · Jul 2, 2024 · e46b86e · e46b86e
1 parent 8ed7665
commit e46b86e
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/extern/CMakeLists.txt b/extern/CMakeLists.txt
@@ -54,11 +54,11 @@ set(CMAKE_RELWITHDEBINFO_POSTFIX ${CESIUM_RELEASE_POSTFIX})
 # On Mac and Linux, Unreal uses -fvisibility-ms-compat.
 # On Android, it uses -fvisibility=hidden
 if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux" OR ${CMAKE_SYSTEM_NAME} STREQUAL "Darwin")
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility-ms-compat -fvisibility-inlines-hidden")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility-ms-compat -fvisibility-inlines-hidden -fno-rtti")
 elseif (${CMAKE_SYSTEM_NAME} STREQUAL "Android")
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=hidden -fvisibility-inlines-hidden")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=hidden -fvisibility-inlines-hidden -fno-rtti")
 elseif (${CMAKE_SYSTEM_NAME} STREQUAL "iOS")
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=hidden")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=hidden -fno-rtti")
 elseif (${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
   # Unreal Engine adds /Zp8 in 64-bit Windows builds to align structs to 8 bytes instead of the
   # default of 16 bytes. There's this nice note in the documentation for that option: