[avr-libc-dev] [bug #35197] sleep.h _BV defined as __BV in AT90S8515 section

[Bingo]

URL:
  <http://savannah.nongnu.org/bugs/?35197>

                 Summary: sleep.h _BV defined as __BV in AT90S8515 section
                 Project: AVR C Runtime Library
            Submitted by: bingo
            Submitted on: Fri 30 Dec 2011 10:56:47 AM CET
                Category: Library
                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: 1.7.1
           Fixed Release: None

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Details:

In avr/sleep.h , below section , at line 209.
_BV is defined as __BV  (double underscore)


#elif defined(__AVR_AT90S2313__) \
|| defined(__AVR_AT90S2323__) \
|| defined(__AVR_AT90S2333__) \
|| defined(__AVR_AT90S2343__) \
|| defined(__AVR_AT43USB320__) \
|| defined(__AVR_AT43USB355__) \
|| defined(__AVR_AT90S4414__) \
|| defined(__AVR_AT90S4433__) \
|| defined(__AVR_AT90S8515__) \
|| defined(__AVR_ATtiny22__)

    #define SLEEP_MODE_IDLE         0
    #define SLEEP_MODE_PWR_DOWN     _BV(SM)

    #define set_sleep_mode(mode) \
    do { \
        _SLEEP_CONTROL_REG = ((_SLEEP_CONTROL_REG & ~__BV(SM)) | (mode)); \
    } while(0)


The __BV results in errors like this:

elm-chan/utctime/stime/test2.c:134: undefined
reference to `__BV'
collect2: ld returned 1 exit status
make: *** [test2.elf] Error 1


/Bingo




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