Pinger modfication

jserink · Veteran Joined: 30 Jan 2004 Posts: 1008

Hi All:

The pinger package, net-analyzer/pinger-0.33-r100, which I use for monitoring has a compiled hard limit of 100 hosts.
You need the change a constant in globals.h, MAX_HOSTS, which is what I want to do.

But then the ebuild will fail the manifest test.

How do I go about doing this and still allow it to build?

Cheers,
john

xineg · Posted: Wed Aug 18, 2021 3:56 am Post subject:

To fix this you really need to patch the program and sit it in the 'files' directory of the pinger ebuild, then rebuild the manifest. Specifically to rebuild the manifest go to the ebuilds directory and run the ebuild utility like this

jserink · Veteran Joined: 30 Jan 2004 Posts: 1008

xineg · Posted: Wed Aug 18, 2021 4:27 am Post subject:

That's why you put a patch in the files directory so it will patch the globals.h after it downloads. Re read my post as I've changed it.

xineg · Posted: Wed Aug 18, 2021 4:34 am Post subject:

So all up unpack using ebuilds pinger-0.33-r100.eduild unpack then go to /var/tmp/portage etc to the pinger work directory and create a diff with your new globals.h and the old globals.h and call it something like globals.h-maxhosts.patch and put it in the files directory of the ebuilds. Then when it compiles it will automatically apply the patch to globals.h like magic sort of. If you get the diff right and run manifest it will build.

xineg · Posted: Wed Aug 18, 2021 4:58 am Post subject:

jserink
Follow this guide to create a patch that you will then put in the pinger files directory.
https://wiki.gentoo.org/wiki/Patches

xineg · Posted: Wed Aug 18, 2021 1:09 pm Post subject:

I created a patch called globals.h.maxhosts.patch and got the ebuild to apply it with the following

Hu · Moderator Joined: 06 Mar 2007 Posts: 21635

This would be a good opportunity to update the ebuild to an EAPI that guarantees support for user patches. After that, put the patch in the user patches area, and you will not need to modify the ebuild again.

Alternatively, although less desirable, you could use the Portage bashrc mechanism to run a shell fragment during the src_prepare phase and patch the header that way. That, too, would avoid needing to modify the ebuild.

xineg · Posted: Mon Aug 23, 2021 7:46 am Post subject:

Hu
Are you doing any mentor work? Should I just contact recruits?

CaptainBlood · Advocate Joined: 24 Jan 2010 Posts: 3627

Arbeitslager, gulag & laogai are more real than ever, i.e. spreading everywhere nowadays.
Hoping Gentoo will remain all about choices for long...

Thks 4 ur attention, interest & support.
_________________
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LT: "I've been doing a passable imitation of the Fontana di Trevi, except my medium is mucus. Sooo much mucus. "

Hu · Moderator Joined: 06 Mar 2007 Posts: 21635