From: Juergen Borleis <jbe@pengutronix.de>
To: Ladislav Michl <oss-lists@triops.cz>
Cc: ptxdist@pengutronix.de
Subject: Re: [ptxdist] [PATCH] libmodbus: adapt help text to the reality
Date: Thu, 09 Mar 2023 14:29:25 +0100 [thread overview]
Message-ID: <16802f944bc6d8e4df84cea80d1adaf9c17a04a2.camel@pengutronix.de> (raw)
In-Reply-To: <ZAnd/pWoqvFGkaiP@lenoch>
Am Donnerstag, dem 09.03.2023 um 14:24 +0100 schrieb Ladislav Michl:
> On Thu, Mar 09, 2023 at 10:38:15AM +0100, Alexander Dahl wrote:
> > Hei hei,
> >
> > Am Thu, Mar 09, 2023 at 10:29:06AM +0100 schrieb Michael Olbrich:
> > > On Thu, Mar 09, 2023 at 10:08:50AM +0100, Juergen Borleis wrote:
> > > > With change a08638d93d19624cf3c20d033ea8f61b96c43408
> > > > "libmodbus: version bump 2.0.4 -> 3.0.8"
> > > > libmodbus changed from 2.x.x to 3.0.x version like libmodbus3 did.
> > > >
> > > > And with change a76b31d5b637bc89ca26e7fa81503cbc7632b666
> > > > "libmodbus3: version bump 3.0.6 -> 3.1.4"
> > > > libmodbus3 switched to the recent to 3.1.x version.
> > >
> > > Hmmm, it feels like there were supposed to be for two packages, one for
> > > version 2.x and one for 3.x, at least it started that way.
> > > I don't really know anything about libmodbus. Are the two versions
> > > incompatible?
> >
> > Yes, 3.0.x and 3.1.x have incompatible APIs and probably ABIs.
> > 3.0.x has .so version 5 and 3.1.x has .so version 6, at least to my
> > notes and the code trying to distinguish this.
> >
> > Greets
> > Alex
> >
> > >
> > > Ladislav, you touched it last, you did the "2.0.4 -> 3.0.8". Do you have
> > > any insight here?
>
> As Alex pointed out above, 2.0.x has incompatible API and was last
> touched 12 years ago. I pretty much doubt anything sane currently depends
> on it and the truth is I overlooked libmodbus3 while doing update.
It is even more worse: 2.x.x API != 3.0.x API != 3.1.x API 🙂
jb
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next prev parent reply other threads:[~2023-03-09 13:29 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-09 9:08 Juergen Borleis
2023-03-09 9:29 ` Michael Olbrich
2023-03-09 9:38 ` Alexander Dahl
2023-03-09 13:24 ` Ladislav Michl
2023-03-09 13:29 ` Juergen Borleis [this message]
2023-03-10 11:57 ` Michael Olbrich
2023-03-10 12:49 ` Juergen Borleis
2023-03-11 21:48 ` Ladislav Michl
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