Gentoo Archives: gentoo-user

From: Neil Bothwick <neil@××××××××××.uk>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Re: USE flag question (not total newbie)
Date: Tue, 29 Nov 2016 08:35:47
In Reply to: [gentoo-user] Re: USE flag question (not total newbie) by Ian Zimmerman
1 On Mon, 28 Nov 2016 18:15:06 -0800, Ian Zimmerman wrote:
3 > > No, I believe it means that the _option_ to enable or disable qt4 has
4 > > been removed.
5 >
6 > Well - notice the 'R'. So the package (or at least the version, see
7 > below) has not been changed since last time.
9 The version hasn't changed but the USE flags have, hence the rebuild.
10 Probably because you are using either --newuse or --changed-use.
12 > Is it possible for the ebuild to change (in particular, for USE flags to
13 > be removed) without a change in version number?
15 Yes, ebuilds can be, and are, changed without a revision bump under some
16 circumstances. Hence the presence of the above flags for emerge. I prefer
17 --changed-use since it is less intrusive, only rebuilding when the
18 changed USE flag actually makes a difference.
21 --
22 Neil Bothwick
24 Top Oxymorons Number 15: Extinct Life