Re: [avr-gcc-list] question to Avr-gcc maintainers

[Theodore A. Roth]

On Sat, 5 Jun 2004, harshit suri wrote:

> interrupt handler:
> SIGNAL (SIGNAL_OUTPUT_COMPARE3A)
> {
>    blah;
> }
> *compiler compiles and links without error and
> warning*
>
> qns:
>
> 1) Why does the compiler at least not warn me that
> SIGNAL_OUTPUT_COMPARE3A is not defined/declared?
> Time is wasted in debugging a simple spelling mistake
> Correct spelling is : SIG_OUTPUT_COMPARE3A
> Why doesnt avr-gcc take care of this?
>
> 2)How did the compiler compile this successfully. i
> have not even declared SIGNAL_OUTPUT_COMPARE3A ?

Please study these files in avr-libc:

  crt1/gcrt1.S
  include/avr/signal.h
  include/avr/io*.h

You might be interested in the patch for gcc that submitted:

  http://savannah.nongnu.org/bugs/?func=detailitem&item_id=8643


---
Ted Roth
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