fix CMAKE_C_SIMULATE_ID

CMakeLists.txt

@@ -48,10 +48,10 @@ if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Clang")
     endif()
 endif()
 
-if(CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND CMAKE_CXX_SIMULATE_ID MATCHES "MSVC")
+if(CMAKE_C_COMPILER_ID MATCHES "Clang" AND CMAKE_C_SIMULATE_ID MATCHES "MSVC")
     # error: 'strdup' is deprecated: The POSIX name for this item is deprecated. Instead, use the ISO C and C++ conformant name: _strdup.
     # "strdup" is standard since C23
-    add_compile_options(-D _CRT_NONSTDC_NO_DEPRECATE)
+    add_definitions(-D _CRT_NONSTDC_NO_DEPRECATE)
     # ignore "'fopen' is deprecated" and "'strncpy' is deprecated" warnings
     # TODO: replace by fopen_s and strncpy_s in C11
     add_definitions(-D _CRT_SECURE_NO_WARNINGS)