need help on GPS and NMEA library please

Hello ,

I have problem when I use the NMEA library !! I put the example and I use them !! it give me a lot of error
so please can you help me to pass this problem

gprmc_course.cpp:14:18: error: nmea.h: No such file or directory
gprmc_course:15: error: 'NMEA' does not name a type
gprmc_course.cpp: In function 'void setup()':
gprmc_course:23: error: 'Serial1' was not declared in this scope
gprmc_course.cpp: In function 'void loop()':
gprmc_course:29: error: 'Serial1' was not declared in this scope
gprmc_course:34: error: 'gps' was not declared in this scope

these error shows and I don't know how to deal with it

thanks

Husain

The first is a BIG clue.
Where did you put the NMEA library when you downloaded it?

yes I did and it shows in the example also !! but when I put the example and use it gives me this error