URL:
<http://savannah.nongnu.org/bugs/?32650>
Summary: Missing include in util/delay.h
Project: AVR C Runtime Library
Submitted by: deece
Submitted on: Wed 02 Mar 2011 12:15:55 GMT
Category: Header
Severity: 3 - Normal
Priority: 5 - Normal
Item Group: libc code
Status: None
Percent Complete: 0%
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
Release: 1.7.*
Fixed Release: None
_______________________________________________________
Details:
Compiling using gcc 4.5.2 against AVR LibC 1.7.1 results in calls to _delay_ms
failing with:
c:\program files (x86)\mhv avr
tools\bin\../lib/gcc/avr/4.5.2/../../../../avr/include/util/delay.h: In
function 'void _delay_ms(double)':
c:\program files (x86)\mhv avr
tools\bin\../lib/gcc/avr/4.5.2/../../../../avr/include/util/delay.h:149:42:
error: 'fabs' was not declared in this scope
c:\program files (x86)\mhv avr
tools\bin\../lib/gcc/avr/4.5.2/../../../../avr/include/util/delay.h:149:43:
error: 'ceil' was not declared in this scope
Adding math.h to the list of includes in util/delay.h fixes the problem.
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