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| author |   Markos Chandras <hwoarang@gentoo.org> | 2015-04-19 10:39:22 +0100 |
|---|---|---|
| committer | Markos Chandras <hwoarang@gentoo.org> | 2015-04-19 22:01:04 +0100 |
| commit | c874437157617d6bab2e5ae07697c29814142ecf (patch) | |
| tree | 8b3df864c4b741012fd84257e0bae1407d9cd1e7 /ebuild-writing/use-conditional-code | |
| parent | Update link to IEEE Std 1003.1. (diff) | |
| download | devmanual-c874437157617d6bab2e5ae07697c29814142ecf.tar.gz devmanual-c874437157617d6bab2e5ae07697c29814142ecf.tar.bz2 devmanual-c874437157617d6bab2e5ae07697c29814142ecf.zip | |
ebuild-writing: use-conditionals: Add more information about the old `use foo` style
X-Gentoo-Bug: 546950
X-Gentoo-Bug-URL: https://bugs.gentoo.org/show_bug.cgi?id=546950
Diffstat (limited to 'ebuild-writing/use-conditional-code')
| -rw-r--r-- | ebuild-writing/use-conditional-code/text.xml | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/ebuild-writing/use-conditional-code/text.xml b/ebuild-writing/use-conditional-code/text.xml index 3db3a40..bc95f84 100644 --- a/ebuild-writing/use-conditional-code/text.xml +++ b/ebuild-writing/use-conditional-code/text.xml @@ -15,7 +15,7 @@ readable. <p> The <c>if [ "`use foo`" ]</c> and <c>if [ -n "`use foo`" ]</c> forms which are -occasionally seen in older code must <b>not</b> be used. +occasionally seen in older code must <b>not</b> be used. This is because, since portage-2.1, the 'use' portage helper does not produce any output when the use flag is enabled or disabled so the [ "`use foo`" ] statement is pretty much identical to [ "" ] which always evaluates to false. </p> <note> |