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

[avrs-admin]

Fri 22 Aug 2014 10:37:27 AM CEST

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 ;).

This issue was migrated from https://savannah.nongnu.org/bugs/?43049

[avrs-admin]

Joerg Wunsch <joerg_wunsch> Fri 22 Aug 2014 10:56:09 AM CEST

Sorry, but this is a plain GCC bug.  There's nothing avr-libc could do about it.

I already filed the respective GCC bug some days ago:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62084

[avrs-admin]

-X- Fri 22 Aug 2014 11:05:48 AM CEST

Alright, thanks. Just wanted to make sure this gets some attention from the correct people (since you haven't responded in the mikrocontroller.net thread ;)). Not a show-stopper for me, but definitely something that should be fixed at some point in the future.