awslc.patch: extend

Author: vszakats

awslc.patch

@@ -9,3 +9,17 @@
    if (g_processprng_fn == NULL) {
      abort();
    }
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -404,8 +404,10 @@ if(GCC OR CLANG)
+   endif()
+   set(C_CXX_FLAGS "${C_CXX_FLAGS} -Werror -Wformat=2 -Wsign-compare -Wmissing-field-initializers -Wwrite-strings")
+.
+-  if(GCC AND CMAKE_C_COMPILER_VERSION VERSION_GREATER "8")
++  if((GCC AND CMAKE_C_COMPILER_VERSION VERSION_GREATER "8") OR
++     (CMAKE_C_COMPILER_ID MATCHES "Clang" AND NOT CMAKE_C_COMPILER_VERSION VERSION_LESS "13"))
+     # GCC 8.x added a warning called -Wcast-function-type to the -Wextra umbrella.
++    # Also suppress for all clang versions supporting this warning.
+     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-cast-function-type")
+   endif()
+.