X-Recipient:	archive-cygwin AT delorie DOT com
DKIM-Filter:	OpenDKIM Filter v2.11.0 sourceware.org EF517383F84A
DKIM-Signature:	v=1; a=rsa-sha256; c=relaxed/relaxed; d=cygwin.com;
	s=default; t=1589507124;
	bh=EjUKeW+w77CQfL/bUSnf3qxxELIUk1apvts4/6yZNRs=;
	h=Subject:To:References:Date:In-Reply-To:List-Id:List-Unsubscribe:
	List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:
	From;
	b=AMmKzfsNOmvTvIyZfvNReWWFts0SKHCYR4wIIoW8DgJMHgQknYq9ns+gOwi9V8kvk
	L3kOrLK4dYgHbRlufAdrjSf2UkP246oR9V8RSBMuqkABODGftSPF7UDSAScT7xJHBe
	G23NuIh8Ybzv0mZf/q4xODVFwWNcyM/50G4S4Cpo=
X-Original-To:	cygwin AT cygwin DOT com
Delivered-To:	cygwin AT cygwin DOT com
DMARC-Filter:	OpenDMARC Filter v1.3.2 sourceware.org 77D1A38708E6
X-Google-DKIM-Signature:	v=1; a=rsa-sha256; c=relaxed/relaxed;
	d=1e100.net; s=20161025;
	h=x-gm-message-state:subject:to:references:from:message-id:date
	:user-agent:mime-version:in-reply-to:content-transfer-encoding;
	bh=CLnMKgnhPdtQ29yIXEdTpTxCrPQgqVyCzR2QmxJURy8=;
	b=lsBKg4ElSwtFEju21OBjnjehFPdcDvHbEMpSMoMtTGMlrO3JQR5QOYSnqg8o/pEA5Z
	KqllX0ZnkNJc/lR15U7NnJJqLZsmzriReqv2J2I6tPC0qP6+zT6dohQuVihfSyTL9cOF
	lYCvK2qL1EI0dLjpq+G4eF7VcheaiMMrhxbVjgH8fSgwZkGPTXKhUDMjGkPIodDow6C9
	cLtPhndeUHv7wzGGMv3XFAjjaoOUJBWKIJ6jh9ksBPQ2CAZM1f4pCowudJagSSkyXflc
	HemvMZLieSN3NV7DDF3mMAO4RT7YlJMLtbQt8h8zc2B9t8ipVTp+pXn5zJGm5+jlNT/s
	odqw==
X-Gm-Message-State:	AOAM530tOABv4PtCL6xZo+tdJb5JPbGzay6qQtg1ekMkbvpTvM+ijVYc
	rl88t6IGjNKjAdl7HcMJkNWIhpXSj3g=
X-Google-Smtp-Source:	ABdhPJwPZhTosPlBSJPaiWpBv6PZYXAb/wYJgSLkhKfmcFru1pjfnITjVuNpItl3Tjf+bhXXRs48VQ==
X-Received:	by 2002:a1c:4d18:: with SMTP id o24mr1144200wmh.141.1589507109684;
	Thu, 14 May 2020 18:45:09 -0700 (PDT)
Subject:	Re: Trying to build OCRmyPDF under Cygwin, hit a brick wall
To:	cygwin AT cygwin DOT com
References:	<a5987f7c-1448-ce81-d40b-e3034e406eb8 AT jhmg DOT net>
	<2afedbcf-f3d7-4e96-e196-fb3091630245 AT jhmg DOT net>
Message-ID:	<30096962-60b0-45d2-434f-9eb0da786061@gmail.com>
Date:	Fri, 15 May 2020 03:45:08 +0200
User-Agent:	Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101
	Thunderbird/68.8.0
MIME-Version:	1.0
In-Reply-To:	<2afedbcf-f3d7-4e96-e196-fb3091630245@jhmg.net>
X-Spam-Status:	No, score=-1.6 required=5.0 tests=BAYES_00, DKIM_SIGNED,
	DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, KAM_ASCII_DIVIDERS,
	RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS,
	TXREP autolearn=no autolearn_force=no version=3.4.2
X-Spam-Checker-Version:	SpamAssassin 3.4.2 (2018-09-13) on
	server2.sourceware.org
X-BeenThere:	cygwin AT cygwin DOT com
X-Mailman-Version:	2.1.29
List-Id:	General Cygwin discussions and problem reports <cygwin.cygwin.com>
List-Unsubscribe:	<http://cygwin.com/mailman/options/cygwin>,
	<mailto:cygwin-request AT cygwin DOT com?subject=unsubscribe>
List-Archive:	<https://cygwin.com/pipermail/cygwin/>
List-Post:	<mailto:cygwin AT cygwin DOT com>
List-Help:	<mailto:cygwin-request AT cygwin DOT com?subject=help>
List-Subscribe:	<http://cygwin.com/mailman/listinfo/cygwin>,
	<mailto:cygwin-request AT cygwin DOT com?subject=subscribe>
From:	Marco Atzeri via Cygwin <cygwin AT cygwin DOT com>
Reply-To:	Marco Atzeri <marco DOT atzeri AT gmail DOT com>
Errors-To:	cygwin-bounces AT cygwin DOT com
Sender:	"Cygwin" <cygwin-bounces AT cygwin DOT com>

Am 15.05.2020 um 00:50 schrieb Jim Garrison via Cygwin:
> The magic incantation necessary to get strdup turns out to be -
> D_GNU_SOURCE, as noted on StackOverflow.
> 
> However, now I'm encountering a problem with Python's DLL handling
> code.  When attempting to run OCRmyPDF I get
> 
> 
> 
> $ ocrmypdf --help
> Traceback (most recent call last):
>    File "/usr/bin/ocrmypdf", line 11, in <module>
>      load_entry_point('ocrmypdf==9.8.0.post3+g5944044.d20200514',
> 'console_scripts', 'ocrmypdf')()
>    File "/usr/lib/python3.7/site-packages/pkg_resources/__init__.py",
> line 489, in load_entry_point
>      return get_distribution(dist).load_entry_point(group, name)
>    File "/usr/lib/python3.7/site-packages/pkg_resources/__init__.py",
> line 2852, in load_entry_point
>      return ep.load()
>    File "/usr/lib/python3.7/site-packages/pkg_resources/__init__.py",
> line 2443, in load
>      return self.resolve()
>    File "/usr/lib/python3.7/site-packages/pkg_resources/__init__.py",
> line 2449, in resolve
>      module = __import__(self.module_name, fromlist=['__name__'], level=0)
>    File
> "/usr/lib/python3.7/site-packages/ocrmypdf-9.8.0.post3+g5944044.d20200514-py3.7.egg/ocrmypdf/__init__.py",
> line 18, in <module>
>      from . import helpers, hocrtransform, leptonica, pdfa, pdfinfo
>    File
> "/usr/lib/python3.7/site-packages/ocrmypdf-9.8.0.post3+g5944044.d20200514-py3.7.egg/ocrmypdf/leptonica.py",
> line 67, in <module>
>      """
> ocrmypdf.exceptions.MissingDependencyError:
> 
> ---------------------------------------------------------------------
>          This error normally occurs when ocrmypdf can't find the Leptonica
>          library, which is usually installed with Tesseract OCR. It could
> be that
>          Tesseract is not installed properly, we can't find the installation
>          on your system PATH environment variable.
> 
>          The library we are looking for is usually called:
>              liblept-5.dll   (Windows)
>              liblept*.dylib  (macOS)
>              liblept*.so     (Linux/BSD)
> 
>          Please review our installation procedures to find a solution:
>              https://ocrmypdf.readthedocs.io/en/latest/installation.html
> 
> ---------------------------------------------------------------------
> 
> 
> In the last file of the traceback (leptonica.py) there's this:
> 
> 
> from ctypes.util import find_library
> ...
> if os.name == 'nt':
>      libname = 'liblept-5'
>      os.environ['PATH'] = shim_paths_with_program_files()
> else:
>      libname = 'lept'
> 
> 
> In Cygwin, that library is /usr/bin/cyglept-5.dll (why was the name
> changed?)

standard on Cygwin to differentiate from mingw build
https://cygwin.com/cygwin-ug-net/dll.html
> 
> First I created a symlink from cyglept-5.dll to liblept-5.dll, with no
> effect. So I added a test for Cygwin at that point, resulting in this
> code:
> 
> 
> if os.name == 'nt':
>      libname = 'liblept-5'
>      os.environ['PATH'] = shim_paths_with_program_files()
> elif sys.platform == 'cygwin':
>      libname = 'cyglept-5'
> else:
>      libname = 'lept'
> 
> 
> This also had no effect, so I tried playing with find_library() in the
> interactive shell.  In Cygwin, it doesn't seem to find any DLLs even
> though those DLLs are actually loadable.  Viz:
> 
> 
> $ python3
> Python 3.7.7 (default, Apr 10 2020, 07:59:19)
> [GCC 9.3.0] on cygwin
> Type "help", "copyright", "credits" or "license" for more information.
>>>> import os
>>>> import sys
>>>> from ctypes import *
>>>> from ctypes.util import find_library
>>>> find_library('cyglept-5') or 'Not found'
> 'Not found'
>>>> find_library('cyglept-5.dll') or 'Not Found'
> 'Not Found'
>>>> cdll.LoadLibrary('cyglept-5.dll') or 'Not Found'
> <CDLL 'cyglept-5.dll', handle 3f7970000 at 0x6fffffea76d0>
> 
> 
> So it appears to me that possibly find_library() is broken because
> it doesn't find the library, but yet Python can actually load the
> library.
> 
> What am I missing?
> 

where are you looking for ?
Have you installed libleptonica_5 and libleptonica-devel ?


$ cygcheck -cd |grep lept
leptonica                               1.79.0-1
libleptonica-devel                      1.79.0-1
libleptonica_5                          1.79.0-1




--
Problem reports:      https://cygwin.com/problems.html
FAQ:                  https://cygwin.com/faq/
Documentation:        https://cygwin.com/docs.html
Unsubscribe info:     https://cygwin.com/ml/#unsubscribe-simple

- Raw text -