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

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: "Thompson, David" <dthompson2 <at> worcester.edu>
Subject: bug#24416: closed (Re: bug#24416: [PATCH] gnu: avr-gcc: Fix
 compiler lookup paths.)
Date: Wed, 13 May 2020 19:29:01 +0000

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Your bug report

#24416: avr-gcc <at> 5 is broken

which was filed against the guix package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 24416 <at> debbugs.gnu.org.

-- 
24416: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=24416
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Efraim Flashner <efraim <at> flashner.co.il>
To: Danny Milosavljevic <dannym <at> scratchpost.org>
Cc: Arun Isaac <arunisaac <at> systemreboot.net>, 24416-done <at> debbugs.gnu.org
Subject: Re: bug#24416: [PATCH] gnu: avr-gcc: Fix compiler lookup paths.
Date: Wed, 13 May 2020 22:28:12 +0300

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Closing this bug as fixed.


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Efraim Flashner   <efraim <at> flashner.co.il>   אפרים פלשנר
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From: "Thompson, David" <dthompson2 <at> worcester.edu>
To: bug-guix <at> gnu.org
Subject: 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

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