[avr-libc-dev] [bug #43049] avr-libc 1.8.1 cannot be built with --enable-debug-info=dwarf-4

[Karol Babioch]

URL:
  <http://savannah.nongnu.org/bugs/?43049>

                 Summary: avr-libc 1.8.1 cannot be built with
--enable-debug-info=dwarf-4
                 Project: AVR C Runtime Library
            Submitted by: johnpatcher
            Submitted on: Fr 22 Aug 2014 08:37:27 GMT
                Category: Library
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: libc code
                  Status: None
        Percent Complete: 0%
             Assigned to: None
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: Any
           Fixed Release: None

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Details:

Trying to build avr-libc 1.8.1 with version the "--enable-debug-info=dwarf-4"
configure option does not work, as it results in an error complaining about
pgm_copystring().

avr-gcc -DHAVE_CONFIG_H -I. -I../../..  -I../../../common -I../../../include
-I../../../include -D_FORTIFY_SOURCE=2 -gdwarf-4 -Wall -W -Wstrict-prototypes
-mmcu=avr2 -D__COMPILING_AVR_LIBC__ -mcall-prologues -Os  -MT strftime.o -MD
-MP -MF .deps/strftime.Tpo -c -o strftime.o ../../../libc/time/strftime.c
../../../libc/time/strftime.c: In function 'pgm_copystring':
../../../libc/time/strftime.c:56:1: internal compiler error: in
convert_debug_memory_address, at cfgexpand.c:3547
 pgm_copystring(const char __memx * p, unsigned char i, char *b, unsigned char
l)
 ^
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

This was initially reported here [1], I just want to bring this to the
attention of all avr-libc developers.

Furthermore I would like to add the fact that version 1.8.1 cannot be chosen
as Release in this bug tracker, so I had to choose "Any". Probably someone
simply forgot to add the release into the database ;).

[1]: https://www.mikrocontroller.net/topic/341504?goto=new#3769337




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