DISABLE_BSYMBOLIC | Bool | Disable use of -Bsymbolic-functions.
DISABLE_THREAD_LOCAL_STORAGE | Bool | Disable use of Thread-Local Storage (HAVE___THREAD).
DISABLE_WERROR | Bool | Disable use of -Werror.
+DISABLE_EXTRA_LIBS | Bool | Disable use of extra libraries, libbsd
+DISABLE_JSON_POINTER | Bool | Omit json_pointer support from the build.
ENABLE_RDRAND | Bool | Enable RDRAND Hardware RNG Hash Seed.
ENABLE_THREADING | Bool | Enable partial threading support.
OVERRIDE_GET_RANDOM_SEED | String | A block of code to use instead of the default implementation of json_c_get_random_seed(), e.g. on embedded platforms where not even the fallback to time() works. Must be a single line.