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midnite
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Joined: 09 Apr 2006
Posts: 448
Location: Hong Kong
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 Posted: Wed Nov 13, 2024 3:17 am Post subject: Check what will an USE flag pull in? |
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Take kde-apps/kdesdk-meta as an example. By default all its USE flags are disabled. Installing kde-apps/kdesdk-meta with default USE flags options almost install nothing.
| eix kdesdk-meta: | [I] kde-apps/kdesdk-meta
Available versions: 24.05.2 24.08.1{xpak} ~24.08.2 {cvs git mercurial perl php python subversion webengine}
Installed versions: 24.08.1{xpak}(09點50分25秒 2024年11月13號 禮拜叁)(-cvs -git -mercurial -perl -php -python -subversion -webengine)
Homepage: https://apps.kde.org/categories/development/
Description: KDE SDK - merge this to pull in all kdesdk-derived packages |
After installed kde-apps/kdesdk-meta, (almost) none of these programs available in my system.
| equery depgraph kdesdk-meta: | * dependency graph for kde-apps/kdesdk-meta-24.08.1
...
`-- kde-apps/kdesdk-meta-24.08.1 amd64
`-- dev-util/massif-visualizer-24.08.1 (>=dev-util/massif-visualizer-24.08.1) amd64
`-- kde-apps/kapptemplate-24.08.1 (>=kde-apps/kapptemplate-24.08.1) amd64
`-- kde-apps/kcachegrind-24.08.1 (>=kde-apps/kcachegrind-24.08.1) amd64
`-- kde-apps/kde-dev-scripts-24.08.1 (>=kde-apps/kde-dev-scripts-24.08.1) amd64
`-- kde-apps/kde-dev-utils-24.08.1 (>=kde-apps/kde-dev-utils-24.08.1) amd64
`-- kde-apps/kdesdk-thumbnailers-24.08.1 (>=kde-apps/kdesdk-thumbnailers-24.08.1) amd64
`-- kde-apps/kompare-24.08.1 (>=kde-apps/kompare-24.08.1) amd64
`-- kde-apps/libkomparediff2-24.08.1 (>=kde-apps/libkomparediff2-24.08.1) amd64
`-- kde-apps/poxml-24.08.1-r1 (>=kde-apps/poxml-24.08.1) amd64
`-- kde-apps/umbrello-24.08.1 (>=kde-apps/umbrello-24.08.1) amd64
`-- kde-apps/cervisia-24.08.1 (>=kde-apps/cervisia-24.08.1) amd64
`-- kde-apps/dolphin-plugins-git-24.08.1 (>=kde-apps/dolphin-plugins-git-24.08.1) amd64
`-- kde-apps/dolphin-plugins-mercurial-24.08.1 (>=kde-apps/dolphin-plugins-mercurial-24.08.1) amd64
`-- dev-util/kio-perldoc-24.08.1 (>=dev-util/kio-perldoc-24.08.1) amd64
`-- kde-apps/lokalize-24.08.1 (>=kde-apps/lokalize-24.08.1) amd64
`-- kde-apps/dolphin-plugins-subversion-24.08.1-r1 (>=kde-apps/dolphin-plugins-subversion-24.08.1) amd64
`-- dev-util/kdevelop-24.08.1 (>=dev-util/kdevelop-24.08.1) amd64
`-- dev-util/kdevelop-php-24.08.1 (>=dev-util/kdevelop-php-24.08.1) amd64
`-- dev-util/kdevelop-python-24.08.1 (>=dev-util/kdevelop-python-24.08.1) amd64
[ kde-apps/kdesdk-meta-24.08.1 stats: packages (20), max depth (1) ]
... |
I can try enabling the USE flag and see what packages it will pull in.
| USE='webengine' emerge -pv kde-apps/kdesdk-meta: | These are the packages that would be merged, in order:
...
...
[ebuild N ] sys-devel/clang-runtime-18.1.8:18::gentoo USE="compiler-rt openmp sanitize -libcxx" ABI_X86="32 (64) (-x32)" 0 KiB
[ebuild N ] dev-util/kdevelop-24.08.1:6/24.08::gentoo USE="handbook plasma qmake share -debug -gdbui -subversion -test" LLVM_SLOT="18 -15 -16 -17" 8,588 KiB
[ebuild N ] kde-apps/dolphin-plugins-git-24.08.1:6::gentoo USE="-debug" 0 KiB
[ebuild N ] dev-util/kdevelop-php-24.08.1:6::gentoo USE="handbook -debug -test" 1,069 KiB
[ebuild N ] dev-util/kdevelop-python-24.08.1:6::gentoo USE="-debug -test" PYTHON_SINGLE_TARGET="python3_12 -python3_10 -python3_11" 1,076 KiB
[ebuild R ] kde-apps/kdesdk-meta-24.08.1::gentoo USE="git* php* python* webengine* -cvs -mercurial -perl -subversion" 0 KiB
Total: 53 packages (1 upgrade, 51 new, 1 reinstall), Size of downloads: 179,176 KiB |
But what if after I actually installed those packages, how to check what packages that the USE flag would pull in?
I found that the dependency information may be written in the ebuild file.
| cat /var/db/pkg/kde-apps/kdesdk-meta-24.08.1/kdesdk-meta-24.08.1.ebuild: | ...
webengine? (
>=dev-util/kdevelop-${PV}:*
php? ( >=dev-util/kdevelop-php-${PV}:* )
python? ( >=dev-util/kdevelop-python-${PV}:* )
)
... |
Any programs to phrase this dependence information recursively (or up to a depth of e.g. 3)?
_________________
- midnite. |
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pietinger
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Joined: 17 Oct 2006
Posts: 5104
Location: Bavaria
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| Posted: Wed Nov 13, 2024 12:37 pm Post subject: Re: Check what will an USE flag pull in? |
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| midnite wrote: | [...] But what if after I actually installed those packages, how to check what packages that the USE flag would pull in?
I found that the dependency information may be written in the ebuild file. [...] |
Yes, you will find the answer what a USE flag will pull in, in the ebuild file ... OR ... you can also check it with emerge (by using parameter -p and a temporary adding of a flag) ... e.g.:
| Code: | | # USE="newflag" emerge -pvD packagename |
(of course you should set this flag later in your /etc/portage/package.use IF you really want to use it.)
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