Gentoo Archives: gentoo-dev-announce

From: Jonathan Callen <abcd@g.o>
To: gentoo-dev@l.g.o, gentoo-dev-announce@l.g.o
Subject: [gentoo-dev-announce] PSA: python-r1.eclass, python-single-r1.eclass, and REQUIRED_USE
Date: Mon, 27 May 2013 15:53:36
Message-Id: 51A37D3D.3070808@gentoo.org
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3
4 A quick reminder for anyone using python-r1.eclass or
5 python-single-r1.eclass:
6
7 These eclasses provide a ${PYTHON_REQUIRED_USE} variable that should
8 be included in REQUIRED_USE under the same USE conditionals (if any)
9 that ${PYTHON_DEPS} is included in DEPEND/RDEPEND.
10
11 For example, if your ebuild has:
12
13 RDEPEND="
14 python? ( ${PYTHON_DEPS}
15 "
16
17 then you should also have:
18
19 REQUIRED_USE="
20 python? ( ${PYTHON_REQUIRED_USE} )
21 "
22
23 And if your ebuild just has:
24
25 RDEPEND="${PYTHON_DEPS}"
26
27 then you should also have:
28
29 REQUIRED_USE="${PYTHON_REQUIRED_USE}"
30
31 Failure to include these in REQUIRED_USE may cause the eclass to die
32 very late in the build process.
33
34 Thank you,
35
36 Jonathan Callen
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