compile error on MEGA using standard SEND example:

/Applications/Arduino.app/Contents/Resources/Java/hardware/tools/avr/bin/../lib/gcc/avr/4.3.2/../../../../avr/lib/avr6/crtm2560.o: In function __vector_default': (.vectors+0x90): relocation truncated to fit: R_AVR_13_PCREL against symbol__vector_36' defined in .text.__vector_36 section in core.a(HardwareSerial.cpp.o)

Please add more explain how to use this, like addressing and make software serial dynamically, not editing library. thanks..

Hi, I have downloaded this library and did not found theese definitions.
Should I do it by myself?

define RX_PIN 2;

define TX_PIN 3;

define ENABLE_PIN 4;

And if so, may I change to any pin of arduino?
Thanks in advance.

I try the example it works, but I don´t understand the message format, I know that STX is the fisrt but then... please help to figure it out.