[gentoo-dev] Multiple occurences of flags in use.local.desc

[gentoo-dev] Multiple occurences of flags in use.local.desc

[waltdnes]

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  Another day, another thread about multiple occurences of a flag in
use.local.desc.  Howsabout a serious overall look at the situation?
Start with the following short script...

#!/bin/bash
rm -rf flagcount0.txt
sed "s/:/ /" /usr/portage/profiles/use.local.desc | \
   cut -d \  -f 2 | \
   sort -u > /dev/shm/flags.txt
while read flag
do
   echo -n "${flag} " >> flagcount0.txt
   grep -c ":${flag} " /usr/portage/profiles/use.local.desc >>
flagcount0.txt
done < /dev/shm/flags.txt
sort -n -r -k2,2 flagcount0.txt > flagcount.txt

  The final result is that flagcount.txt has a count, in descending
order, of each flag in use.local.desc.  It does need some manual
cleaning up, which I've done.  It's file-attached.  I've included all
flags with 5 or more occurences, as well as stuff that looks like it is,
or should be, a USE_expand var.  The developers may want to look at the
issue of hyphens versus underscores.

-- 
Walter Dnes <waltdnes@waltdnes.org>
I don't run "desktop environments"; I run useful applications

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Re: [gentoo-dev] Multiple occurences of flags in use.local.desc

[Ulrich Mueller]

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>>>>> On Fri, 15 Jul 2016, waltdnes  wrote:

>   Another day, another thread about multiple occurences of a flag in
> use.local.desc.  Howsabout a serious overall look at the situation?
> [...]

>   The final result is that flagcount.txt has a count, in descending
> order, of each flag in use.local.desc.  It does need some manual
> cleaning up, which I've done.  It's file-attached.  I've included
> all flags with 5 or more occurences, as well as stuff that looks
> like it is, or should be, a USE_expand var.  The developers may want
> to look at the issue of hyphens versus underscores.

> pax_kernel 25

Underscores are considered reserved for USE_EXPAND, so presumably this
one should be renamed.

>   I assume the following groups are all USE_expand variables.

AFAICS, only apache2_modules_*, collectd_plugins_*, and
enlightenment_modules_* are USE_EXPAND, i.e. have an entry in
make.defaults of some profile. (Plus linguas_*, which is on its way
out of the tree though.)

>   if not, then look into making it so...

fbcon_frontend_*, strongswan_plugins_*, and ups_drivers_* look like
candidates. Not sure about the rest.

Anything that isn't a USE_EXPAND shouldn't have an underscore in its
name, though ...

Ulrich

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