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| author |   Sam James <sam@gentoo.org> | 2022-01-21 19:01:07 +0000 |
|---|---|---|
| committer | Sam James <sam@gentoo.org> | 2022-02-21 21:39:53 +0000 |
| commit | 3f0133a1c35420f3b67284e672538699a35c59fd (patch) | |
| tree | ba668b38e503062736032c8192e39afe123582f1 /general-concepts | |
| parent | general-concepts/dependencies: improve explaination of slot operators (diff) | |
| download | devmanual-3f0133a1c35420f3b67284e672538699a35c59fd.tar.gz devmanual-3f0133a1c35420f3b67284e672538699a35c59fd.tar.bz2 devmanual-3f0133a1c35420f3b67284e672538699a35c59fd.zip | |
general-concepts/use-flags: give guidance on IUSE defaults
Avoid e.g. missing common functionality which upstream documentation
may refer to/assume.
Signed-off-by: Sam James <sam@gentoo.org>
Closes: https://github.com/gentoo/devmanual/pull/265
Signed-off-by: Sam James <sam@gentoo.org>
Diffstat (limited to 'general-concepts')
| -rw-r--r-- | general-concepts/use-flags/text.xml | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/general-concepts/use-flags/text.xml b/general-concepts/use-flags/text.xml index 02f1788..0605e91 100644 --- a/general-concepts/use-flags/text.xml +++ b/general-concepts/use-flags/text.xml @@ -203,6 +203,18 @@ Add <c>+</c> or <c>-</c> before the name of the use flag in <c>IUSE</c> to turn it on or off by default. </p> +<p> +IUSE defaults should be used sparingly. Reasons to exclude/default-disable a +feature may include e.g. large build time for a dependency, or a +configuration that the Gentoo maintainer is unable to test at runtime. +</p> + +<p> +The IUSE defaults for a package should not leave a package in a non-functional +state or lacking important, common functionality. Consulting upstream +documentation may be useful for assessing this. +</p> + <important> Adding <c>-</c> before a flag in <c>IUSE</c> is pretty much useless, as it will neither override the user configuration (<c>make.conf</c>) nor the profile |