message: cmake: Restrict some warning options to C++ only
diff: @@ -38,9 +38,9 @@ cable_configure_compiler()
  add_compile_options(
  -Wcast-qual
  -Wcast-align
  - -Wextra-semi
  -Wmissing-declarations
  - -Wold-style-cast
  + $<$<COMPILE_LANGUAGE:CXX>:-Wextra-semi>
  + $<$<COMPILE_LANGUAGE:CXX>:-Wold-style-cast>
  )
  cable_add_cxx_compiler_flag_if_supported(-Wfinal-dtor-non-final-class)
  cable_add_cxx_compiler_flag_if_supported(-Wnewline-eof)
  