From: zimoun <zimon.toutoune@gmail.com>
To: Milind Kamble <milind.b.kamble@gmail.com>, help-guix@gnu.org
Subject: Re: microscheme fails to assemble BLINK.ms due to avr-gcc search path issue
Date: Fri, 28 Oct 2022 16:29:56 +0200 [thread overview]
Message-ID: <871qqshvh7.fsf@gmail.com> (raw)
In-Reply-To: <CAJpe+QJFTh0JCqzp-XnX83V94-xeN7Sqke98-+9rgW1ufqhFyw@mail.gmail.com>
Hi,
Sorry for the late reply.
On sam., 24 sept. 2022 at 18:53, Milind Kamble <milind.b.kamble@gmail.com> wrote:
> ~/tmp> microscheme -v -m UNO -d /dev/ttyACM0 -a ./BLINK.ms
> Microscheme 0.9.3, (C) Ryan Suchocki
>>> './BLINK.ms' found.
>>> Treeshaker: After 4 rounds: 89 globals purged! 22 bytes will be reserved.
>>> Remaining globals: [forever arduino-ports arduino-pins set-ddr set-pin high? output low? toggle led-pin loop ]
>>> 21 lines compiled OK
>>> Assembling...
> avr-ld: cannot find crtatmega328p.o: No such file or directory
> avr-ld: cannot find -lm
> avr-ld: cannot find -lc
> avr-ld: cannot find -latmega328p
> collect2: error: ld returned 1 exit status
>>> Warning: Command may have failed. (Exit code 256)
> avr-objcopy: 'BLINK.elf': No such file
>>> Warning: Command may have failed. (Exit code 256)
>>> Finished.
>
> To debug the issue, I cloned the microscheme from github and built the
> tool . Running that version also gave the exact same error. So after
> combing for hints online, I realized that perhaps the "-B" flag needs
> to be provided in the avr-gcc command launched by microscheme. And
> that worked.
> So the hack needed to make it work was
> avr-gcc -mmcu=atmega328p -B ~/.guix-profile/avr/lib/avr5 -o BLINK.elf BLINK.s
>
>
> ~/.guix-profile/avr/lib/avr5 is a link to
> /gnu/store/r7kn43jwf4qj9lagj0pr4irzrwbvls0b-avr-libc-2.0.0/avr/lib/avr5
> -- the key point being it points to a subdirectory of avr-libc
> But the default search path of avr-gcc does not include avr-libc in
> the store. Hence the -B hack works.
>
> The question is why do we need to specify -B explicitly. avr-libs
> should be included in the search path for avr-gcc.
> What am I missing?
Just a naive question because I know nothing about this topic, does it
work if more than lib/avr5 (e.g., avr25, avr, avr31, etc.) is provided
in the search path?
Cheers,
simon
prev parent reply other threads:[~2022-10-28 14:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-24 23:53 microscheme fails to assemble BLINK.ms due to avr-gcc search path issue Milind Kamble
2022-10-28 14:29 ` zimoun [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://guix.gnu.org/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=871qqshvh7.fsf@gmail.com \
--to=zimon.toutoune@gmail.com \
--cc=help-guix@gnu.org \
--cc=milind.b.kamble@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).