[SOLVED] Make.conf optimization

AngrySeaBone · Posted: Mon Dec 07, 2020 12:43 pm Post subject: [SOLVED] Make.conf optimization

Hi guys
I've seen many people online, such as youtuber or other gentoo users on various forums, with a very complete make.conf file. Many options, many optimizations, full of features...

So I took a look at mine make.conf, which is REALLY basic (and felt slightly bad

):

https://pastebin.com/WDrgcffi

So I'm asking you if you do know any site, document, datasheet, youtube channel, holy documentations written on stone or everything good in order to optimize this important and mighty file.

I know that there's a wiki (& manpage) about it, obviously I've seen it, but I feel like it's not complete, or however, it wouldn't allow me to create such a "full looking" conf file like the others I've seen. For example there are many USE flags or FEATURES which are not present in those pages.

I don't really have problems with the actual configuration but I really feel like that the main point of Portage, or more in general, Gentoo, it's the granular control of your system, which translates into optimization and, having a "generic" config file, would kill this purpose.

mike155 · Posted: Mon Dec 07, 2020 1:11 pm Post subject:

My recommendation: the less your machine setup deviates from the default settings, the better! It's good to have a very small make.conf.

Your make.conf looks pretty good. Two minor nits:

USE flag 'qt4' doesn't exist anymore. Remove it.
Your CFLAGS are

Code:

CFLAGS="-O2 -march=znver1 -pipe"

while your CXXFLAGS are

Code:

CXXFLAGS="-march=native -O2 -pipe"

Why do you use 'znver1' for CFLAGS and 'native' for CXXFLAGS?

NeddySeagoon · Posted: Mon Dec 07, 2020 1:13 pm Post subject:

AngrySeaBone,

make.conf alone is not very useful. Its contents modify you your profile.
We need to see the output of

Ionen · Developer Joined: 06 Dec 2018 Posts: 2727

I'll talk about simplifying it instead, and making it a tiny file with almost nothing in it.

For one thing, not "needed" but personally like moving every USE+USE_EXPAND to package.use nowadays (given I like all USE being in 1 place). e.g. using your make.conf as example:

pietinger · Posted: Mon Dec 07, 2020 2:08 pm Post subject:

Finally, you dont need two definitions for the same thing. Leave MAKEOPTS unchanged and change the default options to:

Ionen · Developer Joined: 06 Dec 2018 Posts: 2727

pietinger · Posted: Mon Dec 07, 2020 2:43 pm Post subject:

Ionen,

thanks a lot for your information ... 3,5 years ... I am getting old ... ;-)

AngrySeaBone · Posted: Mon Dec 07, 2020 3:14 pm Post subject:

Ok wow, thanks for the fast replys

I'm loving this community.

After reading your advices, I think I misunderstood some settings :roll:

.

1. mike155 I set znver1 in CFLAGS since it was written in the Safe CFLAGS page (https://wiki.gentoo.org/wiki/Safe_CFLAGS#Ryzen_.28Zen.2FZen.2B.2FZen2.29), my CPU is a Ryzen 1500x. I may be wrong but doesn't the entry

389292 · Guru Joined: 26 Mar 2019 Posts: 504

why do you need so many mirrors? are you preparing for a nuclear war?

AngrySeaBone · Posted: Mon Dec 07, 2020 11:43 pm Post subject:

etnull Well actually I did it for safety reasons. Didn't know I needed far less of them. Also, I've always used more than 20 mirrors on every arch installations. Guess I'll downsize my mirrors section :lol:

.

NeddySeagoon · Posted: Tue Dec 08, 2020 9:21 am Post subject:

AngrySeaBone,

I'm not going to give you yes/no answers. That's not the Gentoo way.
I will point the way for you to answer your own questions.

Rename your make.conf so that portage does not see it. You will rename it back later.
Run

AngrySeaBone · Posted: Wed Dec 09, 2020 8:04 am Post subject:

Ok, this helped me a lot. Thanks for all the replys.