GNU bug report logs - #62779
avr-gcc fails after upgrade to gcc 10

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#62779: closed (avr-gcc fails after upgrade to gcc 10)
Date: Wed, 04 Oct 2023 02:28:01 +0000

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Your message dated Tue, 03 Oct 2023 22:26:36 -0400
with message-id <878r8j5dib.fsf <at> gmail.com>
and subject line Re: bug#62779: avr-gcc fails after upgrade to gcc 10
has caused the debbugs.gnu.org bug report #62779,
regarding avr-gcc fails after upgrade to gcc 10
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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From: Kristian Lein-Mathisen <kristianlein <at> gmail.com>
To: bug-guix <at> gnu.org
Subject: avr-gcc fails after upgrade to gcc 10
Date: Tue, 11 Apr 2023 20:43:35 +0200

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Hi,

I'm no longer able to compile for attiny85:

klm <at> pal /tmp ➤ echo '' > test.c
klm <at> pal /tmp ➤ avr-gcc -mmcu=attiny85 test.c
avr-ld: cannot find crtattiny85.o: No such file or directory
avr-ld: cannot find -lm
avr-ld: cannot find -lc
avr-ld: cannot find -lattiny85
collect2: error: ld returned 1 exit status

I'm currently getting no output for avr-toolchain, which I believe is
related:

> ls -l $(guix build avr-toolchain)
total 0

I've been reading https://issues.guix.gnu.org/39918 and I think it may be
causing the problem. It seems that resulted in commit
197c1676d3733f6d8ce30bdc9977ba731b33ec71 (avr-libc going from function to
package) which seems to revert part of what's been done
in 4d2470b0efb399ad974e2a764db685e952b94323 (avr-libc going from package to
function).

I'm hoping would be kind enough to look into this.
Thank you,
Kris

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From: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
To: Kristian Lein-Mathisen <kristianlein <at> gmail.com>
Cc: 62779-done <at> debbugs.gnu.org
Subject: Re: bug#62779: avr-gcc fails after upgrade to gcc 10
Date: Tue, 03 Oct 2023 22:26:36 -0400

Hi,

Kristian Lein-Mathisen <kristianlein <at> gmail.com> writes:

> Hi,
>
> I'm no longer able to compile for attiny85:
>
> klm <at> pal /tmp ➤ echo '' > test.c
> klm <at> pal /tmp ➤ avr-gcc -mmcu=attiny85 test.c
> avr-ld: cannot find crtattiny85.o: No such file or directory
> avr-ld: cannot find -lm
> avr-ld: cannot find -lc
> avr-ld: cannot find -lattiny85
> collect2: error: ld returned 1 exit status
>
> I'm currently getting no output for avr-toolchain, which I believe is
> related:
>
>> ls -l $(guix build avr-toolchain)
> total 0

There were some changes recently [0] that means you should now use
'make-avr-toolchain', a procedure, in your manifest to have an
avr-toolchain package.

It was tested working, at least in clean environments (there's a current
caveat with toolchains where you can't use multiple of them in a same
profile in case that's what you were trying to do).

[0] see commit 35c1df5bd6317b1cd038c1a4aca1c7e4a52d4d93

-- 
Thanks,
Maxim

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