Debian Bug report logs - #815056
libtesseract4: fails to upgrade from libtesseract3

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Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: IOhannes m zmoelnig <umlaeute@debian.org>

To: Debian Bug Tracking System <submit@bugs.debian.org>

Subject: libtesseract4: fails to upgrade from libtesseract3

Date: Thu, 18 Feb 2016 11:09:04 +0100

Package: libtesseract4
Version: 3.04.01-1
Severity: serious
Justification: Policy 7.4

Dear Maintainer,

libtesseract4 provides at least one identical file as libtesseract3 without
declaring a "Conflicts" relationshipt, does breaking any upgrade:

> Preparing to unpack .../libtesseract4_3.04.01-1_amd64.deb ...
> Unpacking libtesseract4 (3.04.01-1) ...
> dpkg: error processing archive /var/cache/apt/archives/libtesseract4_3.04.01-1_amd64.deb (--unpack):
>  trying to overwrite '/usr/lib/libtesseract.so.3.0.4', which is also in package libtesseract3 3.04.00-5+b2
> dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
> Errors were encountered while processing:
>  /var/cache/apt/archives/libtesseract4_3.04.01-1_amd64.deb


-- System Information:
Debian Release: stretch/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (500, 'testing'), (500, 'stable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.3.0-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages libtesseract4 depends on:
ii  libc6       2.21-9
ii  libgcc1     1:5.3.1-8
ii  liblept4    1.71-2.1+b2
ii  libstdc++6  5.3.1-8

libtesseract4 recommends no packages.

libtesseract4 suggests no packages.

-- no debconf information

Message #10 received at 815056@bugs.debian.org (full text, mbox, reply):

From: Michael Biebl <biebl@debian.org>

To: 815056@bugs.debian.org, IOhannes m zmoelnig <umlaeute@debian.org>

Subject: Re: libtesseract4: fails to upgrade from libtesseract3

Date: Fri, 19 Feb 2016 01:28:23 +0100

[Message part 1 (text/plain, inline)]

On Thu, 18 Feb 2016 11:09:04 +0100 IOhannes m zmoelnig
<umlaeute@debian.org> wrote:
> Package: libtesseract4
> Version: 3.04.01-1
> Severity: serious
> Justification: Policy 7.4
> 
> Dear Maintainer,
> 
> libtesseract4 provides at least one identical file as libtesseract3 without
> declaring a "Conflicts" relationshipt, does breaking any upgrade:
> 

Afaics, the real bug here is, that the libtesseract3 package was renamed
to libtesseract4 for no good reason.

The changelog in [1] doesn't make a lot of sense.

Michael


[1] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=742027

-- 
Why is it that all of the instruments seeking intelligent life in the
universe are pointed away from Earth?

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Message #19 received at 815056@bugs.debian.org (full text, mbox, reply):

From: Jeff Breidenbach <jeff@jab.org>

To: 815056@bugs.debian.org

Subject: libtesseract4: fails to upgrade from libtesseract3

Date: Wed, 24 Feb 2016 16:21:23 -0800

[Message part 1 (text/plain, inline)]

Why? I was asked strongly by a Debian Developer in 794489 to
bump the libtesseract version. I suspect 742027 was related.

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=794489
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=742027

I historically have a lot of trouble with transitions, and this one
sadly seems to be no exception.  Advice is appreciated.

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Message #24 received at 815056@bugs.debian.org (full text, mbox, reply):

From: Jeff Breidenbach <jeff@jab.org>

To: 815056@bugs.debian.org

Subject: Re: libtesseract4: fails to upgrade from libtesseract3

Date: Wed, 24 Feb 2016 17:12:23 -0800

[Message part 1 (text/plain, inline)]

> There was an accidental ABI breakage a while ago
> And I thought that bumping to libtesseract4 was the right thing to do

...

<juliank> The important question is: How did this ABI break happen?
Upstream change or only an effect of the C++ transition?
> I had been assuming upstream change
> But actually I'm not sure how to tell
<olly> well, the symbol demangles to
tesseract::TessBaseAPI::AnalyseLayout() so look and see if there's anything
changed there between the versions

...

<juliank> jbreiden: Wait a mo. The problem is far easier to solve
<juliank> Just move the body from  "PageIterator* AnalyseLayout() {
<juliank>  +    return AnalyseLayout(false);
<juliank>  +  }" from the header into the .cpp
<juliank> this function was accidentally inlined in the refactoring
<juliank> then you should have the old ABI again
<bremner> but incompatible with upstream
<juliank> Well, it is a change that can be done upstream
<juliank> All old code continues working
<juliank> even code built against the broken version, as those have that
function inlined

...

> Okay, I'll try it. I'll call the resulting package libtesseract3.
<juliank> Yes, then you could just rename it back entirely and all trouble
is gone
> Do I need to do something special to get rid of libtesseract4?
<olly> that's certainly the cleanest solution you could hope for
<juliank> jbreiden: You could break/replace that. not sure if worth the
trouble

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Message #29 received at 815056-close@bugs.debian.org (full text, mbox, reply):

From: Jeff Breidenbach <jab@debian.org>

To: 815056-close@bugs.debian.org

Subject: Bug#815056: fixed in tesseract 3.04.01-3

Date: Thu, 25 Feb 2016 01:49:53 +0000

Source: tesseract
Source-Version: 3.04.01-3

We believe that the bug you reported is fixed in the latest version of
tesseract, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 815056@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Jeff Breidenbach <jab@debian.org> (supplier of updated tesseract package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

Format: 1.8
Date: Thu, 25 Feb 2016 00:22:26 +0000
Source: tesseract
Binary: tesseract-ocr-dev libtesseract-dev libtesseract3 tesseract-ocr tesseract-ocr-all
Architecture: source amd64 all
Version: 3.04.01-3
Distribution: unstable
Urgency: medium
Maintainer: Jeffrey Ratcliffe <Jeffrey.Ratcliffe@gmail.com>
Changed-By: Jeff Breidenbach <jab@debian.org>
Description:
 libtesseract-dev - Development files for the tesseract command line OCR tool
 libtesseract3 - Tesseract OCR library
 tesseract-ocr - Tesseract command line OCR tool
 tesseract-ocr-all - Tesseract OCR with all language packages
 tesseract-ocr-dev - transitional dummy package
Closes: 815056 815132
Changes:
 tesseract (3.04.01-3) unstable; urgency=medium
 .
   * Fix leptonica dependency (closes: #815132)
   * Drop back to libtesseract3, restore old ABI (closes: #815056)
Checksums-Sha1:
 777b18755579334acfdf6639d72209d5232ff2e8 2128 tesseract_3.04.01-3.dsc
 cee11296df09687c8d1acc99c6301522e87ee465 7798 tesseract_3.04.01-3.diff.gz
 26c949007604fe051dec01d79d3d06fe1c2abb5f 1385742 libtesseract-dev_3.04.01-3_amd64.deb
 f921c0153956e51ddd7e63d56d4981ed4d8c83f0 1134792 libtesseract3_3.04.01-3_amd64.deb
 122c9da8eae891bf5b977c0ff963ee4b600f9e21 9614 tesseract-ocr-all_3.04.01-3_all.deb
 ce58249897a99934e8ad7545c3ced14b499fff8e 11082 tesseract-ocr-dev_3.04.01-3_all.deb
 3747b299e228ab56a5022f2cf556e8648052750e 142344 tesseract-ocr_3.04.01-3_amd64.deb
Checksums-Sha256:
 f0f7ba1763ebefa6aa215d5f8a3b7a67295d8a7e28dca8f8659cf2ef8151e311 2128 tesseract_3.04.01-3.dsc
 851feaf87c35b9b1f57257cd8c776e279596afd34d7ca2fca74c064ec43f352d 7798 tesseract_3.04.01-3.diff.gz
 a51261331c64939eae02a35558a5b1e4fbb5f9a13a4ed98df2b00d3a92ffa829 1385742 libtesseract-dev_3.04.01-3_amd64.deb
 0b1e0257f1f40b4120219b57a502e04154671c012bd711cf63bbc3008a795f50 1134792 libtesseract3_3.04.01-3_amd64.deb
 cad276acb32663dd0ca287a7d53bbc0fd3ae4e75308aecdb7ab586d96017ee91 9614 tesseract-ocr-all_3.04.01-3_all.deb
 46d66d14573acefca57611f4300684c302f167af31932bdb05518248611094f7 11082 tesseract-ocr-dev_3.04.01-3_all.deb
 b782049581eb617e943a0eb0abd4f33c6b257cd66395d4f82e49cfdbff1c58e8 142344 tesseract-ocr_3.04.01-3_amd64.deb
Files:
 375fa787bc1daf7f127f8d008b92ab86 2128 graphics optional tesseract_3.04.01-3.dsc
 0bb1292dee8ed9c6caf8d183716af2a1 7798 graphics optional tesseract_3.04.01-3.diff.gz
 7dbc1556a6046bfb2c089a9a232f534f 1385742 libdevel optional libtesseract-dev_3.04.01-3_amd64.deb
 809aecb34787e21fcfac64836b3ce514 1134792 graphics optional libtesseract3_3.04.01-3_amd64.deb
 8f9aef40020ab6437d18e4dd44195bec 9614 graphics optional tesseract-ocr-all_3.04.01-3_all.deb
 2b19529aa04b356eb55c257ca85e6348 11082 oldlibs optional tesseract-ocr-dev_3.04.01-3_all.deb
 535815d9a22cc3ace3fd28d93fa2e657 142344 graphics optional tesseract-ocr_3.04.01-3_amd64.deb

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Message #34 received at 815056@bugs.debian.org (full text, mbox, reply):

From: Philip Rinn <rinni@inventati.org>

To: 816857@bugs.debian.org, 815056@bugs.debian.org

Subject: Submitted bug upstream

Date: Mon, 7 Mar 2016 16:36:49 +0100

[Message part 1 (text/plain, inline)]

Hi,

I just want to keep you in the loop: I filed a bug upstream to solve this at the 
bottom of the problem:

https://github.com/tesseract-ocr/tesseract/issues/254

Best,
Philip

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