I'm using both libraries. Separately they work fine, but when I try to combine them this error message shows up:
Arduino:1.7.7 (Windows 8.1), Placa:"Arduino Ethernet"
In file included from C:\Program Files (x86)\Arduino\libraries\GSM\src/GSM3MobileNetworkProvider.h:37:0,
from C:\Program Files (x86)\Arduino\libraries\GSM\src/GSM3MobileClientService.h:37,
from C:\Program Files (x86)\Arduino\libraries\GSM\src/GSM.h:48,
from sketch_may04a.ino:7:
C:\Program Files (x86)\Arduino\libraries\GSM\src/GSM3MobileAccessProvider.h:37:100: error: redeclaration of 'OFF'
enum GSM3_NetworkStatus_t { ERROR, IDLE, CONNECTING, GSM_READY, GPRS_READY, TRANSPARENT_CONNECTED, OFF};
^
In file included from sketch_may04a.ino:6:0:
C:\Users\LuisArturo\Documents\Arduino\libraries\RTClib-master/RTClib.h:79:25: note: previous declaration 'Ds1307SqwPinMode OFF'
enum Ds1307SqwPinMode { OFF = 0x00, ON = 0x80, SquareWave1HZ = 0x10, SquareWave4kHz = 0x11, SquareWave8kHz = 0x12, SquareWave32kHz = 0x13 };