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From: Mark H Weaver <mhw@HIDDEN>
To: Arun Isaac <arunisaac@HIDDEN>
Subject: Re: bug#32160: auto compile fails to recompile when included source
files change
References: <cu7in5hdyup.fsf@HIDDEN> <87muu4ve9y.fsf@HIDDEN>
<20180802200226.GA12552@HIDDEN> <cu7muu3df13.fsf@HIDDEN>
Date: Fri, 03 Aug 2018 12:34:40 -0400
In-Reply-To: <cu7muu3df13.fsf@HIDDEN> (Arun Isaac's message of "Fri,
03 Aug 2018 14:04:48 +0530")
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Hi Arun,
Arun Isaac <arunisaac@HIDDEN> writes:
>>> If you'd like to investigate further, I'd be glad to give you
>>> pointers and advice, but it's not a project for the faint-hearted :-/
>
> I am faint-hearted and do not wish to pursue this further. :-P I just
> thought it might be useful to report. Should I close this bug report, or
> leave it open for someone to fix in the future?
I'd prefer to leave it open, because it is indeed an important issue
that would be good to fix eventually.
Thanks!
Mark
bug-guile@HIDDEN:bug#32160; Package guile.
Full text available.Received: (at 32160) by debbugs.gnu.org; 3 Aug 2018 08:35:05 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Fri Aug 03 04:35:05 2018 Received: from localhost ([127.0.0.1]:39476 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1flVY9-0008KI-HL for submit <at> debbugs.gnu.org; Fri, 03 Aug 2018 04:35:05 -0400 Received: from vultr.systemreboot.net ([45.77.148.100]:52982) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <arunisaac@HIDDEN>) id 1flVY7-0008JY-Dz for 32160 <at> debbugs.gnu.org; Fri, 03 Aug 2018 04:35:03 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=systemreboot.net; s=default; h=Content-Type:MIME-Version:Message-ID:Date: References:In-Reply-To:Subject:Cc:To:From:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=+Ikd/u6wQ5k0IRDknDcIcY5HNgDdkSDB/e0FnT/5oPU=; b=dbxFqG6Oeox8HQsIrNZCrkZb9 NxKs6SuBo4fTf+RlHdyt9Eg3JG+RPwaJHF++ZZjFtQ9OhvfTKyGsESbvxbsTi54zcobFloHhv1Jtf xEacaI0jv50eqtPx79wjaRiyAaAAFRWXEcKJ4SRrDt2XUdoIab5SNAiK5RCi4B4PcY+9g=; Received: from [192.168.2.1] (helo=steel) by systemreboot.net with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.91) (envelope-from <arunisaac@HIDDEN>) id 1flVXy-00011R-Sf; Fri, 03 Aug 2018 14:04:55 +0530 From: Arun Isaac <arunisaac@HIDDEN> To: Mark H Weaver <mhw@HIDDEN> Subject: Re: bug#32160: auto compile fails to recompile when included source files change In-Reply-To: <20180802200226.GA12552@HIDDEN> References: <cu7in5hdyup.fsf@HIDDEN> <87muu4ve9y.fsf@HIDDEN> <20180802200226.GA12552@HIDDEN> Date: Fri, 03 Aug 2018 14:04:48 +0530 Message-ID: <cu7muu3df13.fsf@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 32160 Cc: tomas@HIDDEN, 32160 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) >> If you'd like to investigate further, I'd be glad to give you >> pointers and advice, but it's not a project for the faint-hearted :-/ I am faint-hearted and do not wish to pursue this further. :-P I just thought it might be useful to report. Should I close this bug report, or leave it open for someone to fix in the future?
bug-guile@HIDDEN:bug#32160; Package guile.
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From: Mark H Weaver <mhw@HIDDEN>
To: 32160 <at> debbugs.gnu.org
Subject: Re: bug#32160: auto compile fails to recompile when included source
files change
References: <cu7in5hdyup.fsf@HIDDEN> <87muu4ve9y.fsf@HIDDEN>
<87in4svbwv.fsf@HIDDEN>
Date: Thu, 02 Aug 2018 17:01:20 -0400
In-Reply-To: <87in4svbwv.fsf@HIDDEN> (Mark H. Weaver's message of "Thu, 02
Aug 2018 14:52:32 -0400")
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Mark H Weaver <mhw@HIDDEN> writes:
> My response to Arun Isaac <arunisaac@HIDDEN> was rejected
> by his mail server:
[...]
> If someone could let him know about this issue, I would be grateful.
tomas@HIDDEN kindly forwarded my messages to Arun, so there's no
need for anyone else to do it now. Thanks, Tomas!
Mark
bug-guile@HIDDEN:bug#32160; Package guile.
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From: Mark H Weaver <mhw@HIDDEN>
To: 32160 <at> debbugs.gnu.org
Subject: Re: bug#32160: auto compile fails to recompile when included source
files change
References: <cu7in5hdyup.fsf@HIDDEN> <87muu4ve9y.fsf@HIDDEN>
Date: Thu, 02 Aug 2018 14:52:32 -0400
In-Reply-To: <87muu4ve9y.fsf@HIDDEN> (Mark H. Weaver's message of "Thu, 02
Aug 2018 14:01:29 -0400")
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My response to Arun Isaac <arunisaac@HIDDEN> was rejected
by his mail server:
SMTP error from remote mail server after RCPT TO:<arunisaac@HIDDEN>:
550 Sender Policy Framework (SPF) verification failed
I do not have DNS records supporting SPF for my domain netris.org, and
apparently his mail server is configured to reject all mail that is not
authenticated by SPF. So, I'm unable to send him email. Oh well. This
is the first time I've run into this problem.
If someone could let him know about this issue, I would be grateful.
Mark
bug-guile@HIDDEN:bug#32160; Package guile.
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From: Mark H Weaver <mhw@HIDDEN>
To: Arun Isaac <arunisaac@HIDDEN>
Subject: Re: bug#32160: auto compile fails to recompile when included source
files change
References: <cu7in5hdyup.fsf@HIDDEN>
Date: Thu, 02 Aug 2018 14:01:29 -0400
In-Reply-To: <cu7in5hdyup.fsf@HIDDEN> (Arun Isaac's message of "Sun,
15 Jul 2018 07:49:58 +0530")
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Hi Arun,
Arun Isaac <arunisaac@HIDDEN> writes:
> Guile's auto compile fails to recompile when included source files
> change.
>
> For example, I have two source files -- foo.scm and bar.scm. foo.scm
> includes bar.scm using `include'. When I run foo.scm for the first time,
> it is auto compiled and run correctly. But, if I modify bar.scm and run
> foo.scm again, foo.scm is not rebuilt and the old version is run.
Yes, this is a known limitation in Guile's auto-compilation support.
Unfortunately, we don't have any system in place to track these
dependencies between modules. Years ago, I spent some time thinking
about how to do it, but it's nontrivial given the unstructured and
imperative model by which modules load themselves and their
dependencies. The .go file format would also need to be extended to
embed the dependency information.
There's also the question of how to fingerprint the dependencies. If
timestamps are used, it would defeat deterministic builds, but if hashes
are used, it might dramatically slow down module loading, especially
given that it would not be sufficient to check the immediate
dependencies: the full transitive closure of the module dependency graph
would need to be traversed.
And then there's the unfortunate fact that although circular module
dependencies are (sensibly) prohibited by standard Scheme and most other
languages, in Guile they are not prohibited, and although they cause a
great many headaches, they sort-of-work if you are lucky, and Guix now
depends heavily on them. Last I checked, Guix has a large number of
package modules (well over 50, and possibly more than 100 at this point)
that form a strongly connected component in the module dependency graph.
I'm sorry that I don't have a better answer for you. If you'd like to
investigate further, I'd be glad to give you pointers and advice, but
it's not a project for the faint-hearted :-/
Regards,
Mark
bug-guile@HIDDEN:bug#32160; Package guile.
Full text available.Received: (at submit) by debbugs.gnu.org; 15 Jul 2018 02:51:52 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sat Jul 14 22:51:52 2018 Received: from localhost ([127.0.0.1]:60397 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1feX8Z-0000LS-FV for submit <at> debbugs.gnu.org; Sat, 14 Jul 2018 22:51:52 -0400 Received: from eggs.gnu.org ([208.118.235.92]:58853) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <arunisaac@HIDDEN>) id 1feX8X-0000LG-Fl for submit <at> debbugs.gnu.org; Sat, 14 Jul 2018 22:51:49 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from <arunisaac@HIDDEN>) id 1feX8R-0001pH-Lb for submit <at> debbugs.gnu.org; Sat, 14 Jul 2018 22:51:44 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,T_DKIM_INVALID autolearn=disabled version=3.3.2 Received: from lists.gnu.org ([2001:4830:134:3::11]:40746) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from <arunisaac@HIDDEN>) id 1feX8R-0001pB-Hu for submit <at> debbugs.gnu.org; Sat, 14 Jul 2018 22:51:43 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49823) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from <arunisaac@HIDDEN>) id 1feX8Q-0001pG-Dz for bug-guile@HIDDEN; Sat, 14 Jul 2018 22:51:43 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from <arunisaac@HIDDEN>) id 1feX8N-0001le-7y for bug-guile@HIDDEN; Sat, 14 Jul 2018 22:51:42 -0400 Received: from [2001:19f0:5:274f:351:616f:fec3:2694] (port=46354 helo=vultr.systemreboot.net) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from <arunisaac@HIDDEN>) id 1feX8M-0001je-Ow for bug-guile@HIDDEN; Sat, 14 Jul 2018 22:51:39 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=systemreboot.net; s=default; h=Content-Type:MIME-Version:Message-ID:Date: Subject:To:From:Sender:Reply-To:Cc:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=5oeQdJs38zteWFzQttS+7KcVnEUck+D5/uugbhfEOw4=; b=Z7tgdTCUmAlWSVEUORQTe53P7E TSfaEBBSFUwthudUIqO/pTQVxNPBn7NwVcchGa8Uw2FJLq48WeOd6A4MH+okCbsW7VJm83CWZKNB3 IPuYwT7VcDQH3t/vSuywqNAyUa1g04WiHa2IkUQUFNq28NBFw0Xr0U4BwMVXHrR3IbNo=; Received: from [124.40.246.228] (helo=steel) by systemreboot.net with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.91) (envelope-from <arunisaac@HIDDEN>) id 1feWaV-0001AW-CK for bug-guile@HIDDEN; Sun, 15 Jul 2018 07:46:39 +0530 From: Arun Isaac <arunisaac@HIDDEN> To: bug-guile@HIDDEN Subject: auto compile fails to recompile when included source files change Date: Sun, 15 Jul 2018 07:49:58 +0530 Message-ID: <cu7in5hdyup.fsf@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 2001:4830:134:3::11 X-Spam-Score: -4.1 (----) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -5.1 (-----) Guile's auto compile fails to recompile when included source files change. For example, I have two source files -- foo.scm and bar.scm. foo.scm includes bar.scm using `include'. When I run foo.scm for the first time, it is auto compiled and run correctly. But, if I modify bar.scm and run foo.scm again, foo.scm is not rebuilt and the old version is run. Here is a concrete example of what I mean. $ cat foo.scm (include "bar.scm") $ cat bar.scm (display "old") (newline) $ guile -s foo.scm ;;; note: source file /tmp/test/foo.scm ;;; newer than compiled /home/arun/.cache/guile/ccache/2.2-LE-8-3.A/tmp/test/foo.scm.go ;;; note: auto-compilation is enabled, set GUILE_AUTO_COMPILE=0 ;;; or pass the --no-auto-compile argument to disable. ;;; compiling /tmp/test/foo.scm ;;; compiled /home/arun/.cache/guile/ccache/2.2-LE-8-3.A/tmp/test/foo.scm.go old $ sed -i 's/old/new/' bar.scm $ cat bar.scm (display "new") (newline) $ guile -s foo.scm old In the last step, guile still printed "old" without recompiling. It should have recompiled and printed "new".
Arun Isaac <arunisaac@HIDDEN>:bug-guile@HIDDEN.
Full text available.bug-guile@HIDDEN:bug#32160; Package guile.
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