GNU bug report logs - #24416
avr-gcc@5 is broken

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Package: guix;

Reported by: "Thompson, David" <dthompson2 <at> worcester.edu>

Date: Sun, 11 Sep 2016 23:25:02 UTC

Severity: normal

Done: Efraim Flashner <efraim <at> flashner.co.il>

Bug is archived. No further changes may be made.

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From: "Thompson, David" <dthompson2 <at> worcester.edu>
To: 24416 <at> debbugs.gnu.org
Subject: bug#24416: avr-gcc <at> 5 is broken
Date: Sun, 11 Sep 2016 19:23:05 -0400

avr-gcc cannot find device-specific libraries when compiling, which
from my reading is due to a problem with multilib.  However, avr-gcc <at> 4
works fine!

avr-gcc -O2 -DF_CPU=16000000UL -mmcu=atmega32u4 test.c -o test
avr-ld: cannot find -lm
avr-ld: cannot find -lc
avr-ld: cannot find -latmega32u4
collect2: error: ld returned 1 exit status

The libraries in question here are located within
/gnu/store/...-avr-libc-2.0.0/avr/lib/avr5 but avr-gcc is only
searching within /avr/lib.

For now, I'm just using avr-gcc <at> 4 and moving on with life.

- Dave
This bug report was last modified 5 years and 10 days ago.

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