meson's `cpp_args` option is defined only if it detects a C++ compiler, otherwise we get an error: ../test/fuzz/meson.build:56:28: ERROR: Tried to access unknown option 'cpp_args'.
meson's `cpp_args` option is defined only if it detects a C++ compiler, otherwise we get an error: ../test/fuzz/meson.build:56:28: ERROR: Tried to access unknown option 'cpp_args'.