From c020b66c6e52c30789e5ff153479e57cfac8056d Mon Sep 17 00:00:00 2001 From: Zac Medico Date: Thu, 30 Dec 2010 19:36:47 -0800 Subject: ebuild(5): REQUIRED_USE in EAPI 4 --- man/ebuild.5 | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'man/ebuild.5') diff --git a/man/ebuild.5 b/man/ebuild.5 index 22cec1761..9ceee590d 100644 --- a/man/ebuild.5 +++ b/man/ebuild.5 @@ -444,6 +444,24 @@ but may be merged before if need be. .br You may use the same syntax to vary dependencies as seen above in \fBDEPEND\fR. .TP +\fBREQUIRED_USE\fR +Beginning with \fBEAPI 4\fR, the \fBREQUIRED_USE\fR variable can be +used to specify combinations of \fBUSE\fR flags that are allowed +or not allowed. Elements can be nested when necessary. +.TS +l l +__ +l l. +Behavior Expression + +If flag1 enabled then flag2 disabled flag1? ( !flag2 ) +If flag1 enabled then flag2 disabled flag1? ( flag2 ) +If flag1 disabled then flag2 enabled !flag1? ( flag2 ) +If flag1 disabled then flag2 disabled !flag1? ( !flag2 ) +Must enable any one or more (inclusive or) || ( flag1 flag2 flag3 ) +Must enable exactly one but not more (exclusive or) ^^ ( flag1 flag2 flag3 ) +.TE +.TP \fBRESTRICT\fR = \fI[strip,mirror,fetch,userpriv]\fR This should be a space delimited list of portage features to restrict. You may use conditional syntax to vary restrictions as seen above in DEPEND. -- cgit v1.2.3-1-g7c22