Ubuntu
gap package

Version 4.8.6 for Ubuntu 16.04

Asked by Per Kristian Hove

Hi, are there any plans to build gap 4r8p6 for Ubuntu 16.04 Xenial Xerus?

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Manfred Hampl
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Best Manfred Hampl (m-hampl) said : 		#1

Updates to existing packages in already published Ubuntu releases are done only if there is a specific reason.
If the new version provides significant improvements over the old one, or important bug fixes, then an update might be done.
See https://wiki.ubuntu.com/StableReleaseUpdates for information about the SRU process.

As an alternative maybe you can find a PPA with the newer version for xenial somewhere (see https://launchpad.net/ubuntu/+ppas?name_filter=gap ), or you can create a PPA of your own, or you could try building the new version from source.

A manual installation of the 4r8p6-2 version for zesty on your xenial system seems not easily possible, because the new version depends on libreadline7 which does not exist for xenial. You would have to find a solution for this first.

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Per Kristian Hove (perhov) said : 		#2

Thanks for your reply. I tried to build it from the 17.04 sources, and that worked fine.

By doing this, I observe that the 4.8.6 build for 17.04 does not include any of the packages that are now bundled with gap (please refer to https://www.gap-system.org/Releases/index.html "Packages included in this release" for the full list, this is a significant change compared to earlier versions of gap).

Since we need the full set of packages we will use a local custom build of gap instead of using the launchpad packages, and as a consequence we won't have any need for 16.04 builds of these packages.

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Manfred Hampl (m-hampl) said : 		#3

I suggest that you create a bug report, if there are parts missing in Ubuntu's gap packages (and aren't provided elsewhere like e.g. gap-alnuth which is a separate package).