Lintian tag information: ancient-libtool (type: warning)

Description (from lintian-explain-tags)

The referenced file seems to be from a libtool version older than 1.5.2-2.
This might lead to build errors on some newer architectures not known to
this libtool.

Please ask your upstream maintainer to re-libtoolize the package or do it
yourself if there is no active upstream. You will also need to run
Autoconf to regenerate the configure script. Usually it is best to do this
during the build by depending on autoconf, libtool, and automake if it is
used, and then running:

autoreconf -i --force

before running configure. Depending on how old the package is, this may
require additional modifications to configure.ac or configure.in or other
work. If you do this during the build, determine which files it will add
or update and be sure to remove those files in the clean target.

If you have fixed architecture-specific issues with minimal patches,
rather than updating libtool, and verified that it builds correctly,
please override this tag. Lintian will not be able to verify that.

Visibility: warning
Show-Always: no
Check: build-systems/autotools/libtool

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