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GNU Guile-CV 0.3.1 release

From: David Pirotte
Subject: GNU Guile-CV 0.3.1 release
Date: Tue, 16 Nov 2021 00:45:56 -0300


GNU Guile-CV 0.3.1 is released.

This is a maintenance release, which fixes a bug in the =pre-inst-env=
script, which is used by Guile-CV at build time and may also be used to
test and run an uninstalled Guile-CV instance.

  [ for those who wouldn't know

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* About

[[][GNU Guile-CV]]
Image Processing and Analysis in [[][Guile]]
a Computer Vision functional programming library

Guile-CV is based on [[][Vigra]] (Vision with 
Generic Algorithms), enhanced
with additional algorithms (Image Textures, Delineate, Reconstruction
and many more), all accessible through a nice, clean and easy to use
high level API.

Guile-CV is natively multi-threaded, and takes advantage of multiple
cores, using high-level and fine grained application-level parallelism
constructs available in Guile, based on its support to POSIX threads.

* Download

Here are the compressed sources and a GPG detached signature [fn:1]:

This released was bootstrapped with the following tools:

        -] gcc              (Debian 11.2.0-10) 11.2.0 
        -] autoconf         (GNU Autoconf) 2.71 
        -] automake         (GNU automake) 1.16.5 
        -] libtool          (GNU libtool) 2.4.6 
        -] makeinfo         (GNU texinfo) 6.8 
        -] pdflatex         3.141592653-2.6-1.40.22 (TeX Live 2022/dev/Debian)
        -] vigra            1.11.1
        -] vigra_c          commit e81e12a [Sep 2019]
        -] guile-3.0
        -] guile-lib-1.0    0.2.7

* Changes since 0.3.0

Here is a summary of visible changes since version 0.2.1. See GNU
Guile-CV's [[][git summary]] and 
[[][git log]] for a complete 

** Bug fixing

The script has been fixed and now adds a specific
build time library location, so Guile 3.0 (>= 3.0.6) finds libguile-cv
at build time.

Guile 3.0 (>= 3.0.6) does not use libltdl anymore, and although in guile
(system foreign-library) module, both the comment and the definition of
augment-ltdl-library-path seems to take care of finding .so files either
aside .la or in a .libs/ subdir, it does not work.

* Bug reports

Please report bugs to

* Mailing lists

For the time being, Guile-CV uses Guile's mailing list: is for general user help and discussion; is used to discuss most aspects of Guile-CV,
  including development and enhancement requests.



  Use a .sig file to verify that the corresponding file (without the
  .sig suffix) is intact.  First, be sure to download both the .sig file
  and the corresponding tarball.  Then, run a command like this:

        gpg --verify guile-cv-0.3.1.tar.gz.sig

  If that command fails because you don't have the required public key,
  then run this command to import it:

        gpg --keyserver --recv-keys A3057AD7

  and rerun the 'gpg --verify' command

Attachment: pgpmZEOAOUkZ7.pgp
Description: OpenPGP digital signature

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