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author | Zac Medico <zmedico@gentoo.org> | 2010-12-30 17:33:31 -0800 |
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committer | Zac Medico <zmedico@gentoo.org> | 2010-12-30 17:33:31 -0800 |
commit | 3902f936f3b087b49235c5d4cb93c16f1259629a (patch) | |
tree | 20f8330739498e4ce7e9b4f6a2ff769ac33d4597 | |
parent | a1646747813aab0757536b6ffc22380962dffb46 (diff) | |
download | portage-3902f936f3b087b49235c5d4cb93c16f1259629a.tar.gz portage-3902f936f3b087b49235c5d4cb93c16f1259629a.tar.bz2 portage-3902f936f3b087b49235c5d4cb93c16f1259629a.zip |
ebuild(5): USE dependency defaults in EAPI 4
-rw-r--r-- | man/ebuild.5 | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/man/ebuild.5 b/man/ebuild.5 index 6b4364bdf..22cec1761 100644 --- a/man/ebuild.5 +++ b/man/ebuild.5 @@ -346,6 +346,21 @@ foo[bar=] bar? ( foo[bar] ) !bar? ( foo[\-bar] ) foo[!bar=] bar? ( foo[\-bar] ) !bar? ( foo[bar] ) .TE .RE +.TP +.B Atom USE defauts +Beginning with \fBEAPI 4\fR, \fBUSE\fR dependencies may specify default +assumptions about values for flags that may or may not be missing from +the \fBIUSE\fR of the matched package. Such defaults are specified by +immediately following a flag with either \fB(+)\fR or \fB(\-)\fR. Use +\fB(+)\fR to behave as if a missing flag is present and enabled, or +\fB(\-)\fR to behave as if it is present and disabled: + +.RS +.nf +media\-video/ffmpeg[threads(+)] +media\-video/ffmpeg[threads(\-)] +.fi +.RE .RE .TP .B Dynamic DEPENDs |