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It would certainly be more comforting if the initial library build didn't result in a bunch of bright red compiler warnings !

Code:
In file included from D:\bin\arduino-0010\hardware\cores\arduino/WConstants.h:1,
                 from Firmata.cpp:31:
D:\bin\arduino-0010\hardware\cores\arduino/wiring.h:60:1: warning: "abs" redefined
In file included from Firmata.cpp:28:
d:/bin/arduino-0010/hardware/tools/avr/bin/../avr/include/stdlib.h:118:1: warning: this is the location of the previous definition
Firmata.cpp: In member function 'int FirmataClass::available()':
Firmata.cpp:70: warning: no return statement in function returning non-void
Firmata.cpp:70: warning: control reaches end of non-void function
In file included from D:\bin\arduino-0010\hardware\cores\arduino/WProgram.h:6,
                 from Stepper.cpp:48:
d:/bin/arduino-0010/hardware/tools/avr/bin/../avr/include/avr/signal.h:36:2: warning: #warning "This header file is obsolete.  Use <avr/interrupt.h>."
In file included from D:\bin\arduino-0010\hardware\cores\arduino/WProgram.h:8,
                 from Stepper.cpp:48:
D:\bin\arduino-0010\hardware\cores\arduino/wiring.h:60:1: warning: "abs" redefined
In file included from D:\bin\arduino-0010\hardware\cores\arduino/WProgram.h:1,
                 from Stepper.cpp:48:
d:/bin/arduino-0010/hardware/tools/avr/bin/../avr/include/stdlib.h:118:1: warning: this is the location of the previous definition
In file included from utility\twi.c:25:
d:/bin/arduino-0010/hardware/tools/avr/bin/../avr/include/avr/signal.h:36:2: warning: #warning "This header file is obsolete.  Use <avr/interrupt.h>."
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Quote
It would certainly be more comforting if the initial library build didn't result in a bunch of bright red compiler warnings !

Absolutely, annoys me since I fell in love with the Arduino back in arduino-0007!
Eberhard

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I'll see what I can do for Arduino 0011.
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