Default is \$LUA_DIR/lib
--with-idn=LIB The name of the IDN library to link with.
Default is $IDN_LIB
---idn-library=(idn|icu) Select library to use for IDNA functionality.
- idn: use GNU libidn (default)
- icu: use ICU from IBM
+--idn-library=(idn|icu) Select library to use for IDNA functionality.
+ idn: use GNU libidn (default)
+ icu: use ICU from IBM
--with-ssl=LIB The name of the SSL to link with.
Default is $OPENSSL_LIB
--cflags=FLAGS Flags to pass to the compiler