Fix for building examples with latest emsk (LLVM): remove EMTERPRETIFY, add ASYNCIFY (#1215)

examples/CMakeLists.txt

@@ -81,7 +81,7 @@ if(${PLATFORM} MATCHES "Android")
   list(REMOVE_ITEM example_sources ${CMAKE_CURRENT_SOURCE_DIR}/shaders/shaders_basic_lighting.c)
 
 elseif(${PLATFORM} MATCHES "Web")
-  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Os -s USE_GLFW=3 -s ASSERTIONS=1 -s WASM=1 -s EMTERPRETIFY=1 -s EMTERPRETIFY_ASYNC=1")
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Os -s USE_GLFW=3 -s ASSERTIONS=1 -s WASM=1 -s ASYNCIFY")
   # Since WASM is used, ALLOW_MEMORY_GROWTH has no extra overheads
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -s ALLOW_MEMORY_GROWTH=1 --no-heap-copy")
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --shell-file ${CMAKE_SOURCE_DIR}/src/shell.html")