Re: [gentoo-user] Can I (partially) rebuild a package with emerge?
Hi, Neil, On Wed, Dec 16, 2009 at 10:05:40PM +, Neil Bothwick wrote: On Wed, 16 Dec 2009 20:44:29 +, Alan Mackenzie wrote: I've just emerged xorg-x11, and noticed that I had a wrong setting for VIDEO_CARDS in /etc/make.conf. Does emerge have a facility to rebuild only those portions of xorg-x11 dependent on that setting, or do I have to start again from scratch? I've perused the emerge man page, but not found this situation addressed. VIDEO_CARDS sets USE flags, so emerge -uavDN world. I've done that, but it failed to rebuild my xorg-x11. I've still got the version from last night, even though I've changed USE flags (via setting VIDEO_CARDS) in /etc/make.conf. /etc/make.conf has a later timestamp than /usr/bin/Xorg, yet this doesn't trigger the -N flag. I'm misunderstanding something significant here. The emerge man page is not explicit in how it determines new USE flags. If I wanted just to remove Xorg, together with the 188 other packages installed with it, would it be correct to run these commands: emerge --unmerge xorg-x11 emerge --depclean ? TVM! -- Neil Bothwick -- Alan Mackenzie (Nuremberg, Germany).
Re: [gentoo-user] Can I (partially) rebuild a package with emerge?
On Thu, 17 Dec 2009 15:14:48 +, Alan Mackenzie a...@muc.de wrote: Hi, Neil, On Wed, Dec 16, 2009 at 10:05:40PM +, Neil Bothwick wrote: On Wed, 16 Dec 2009 20:44:29 +, Alan Mackenzie wrote: I've just emerged xorg-x11, and noticed that I had a wrong setting for VIDEO_CARDS in /etc/make.conf. Does emerge have a facility to rebuild only those portions of xorg-x11 dependent on that setting, or do I have to start again from scratch? I've perused the emerge man page, but not found this situation addressed. VIDEO_CARDS sets USE flags, so emerge -uavDN world. I've done that, but it failed to rebuild my xorg-x11. I've still got the version from last night, even though I've changed USE flags (via setting VIDEO_CARDS) in /etc/make.conf. First, as I said in my other mail, the only relevant package that needs to be rebuilt is xorg-server, nothing else. The drivers you add will be built afresh as well as dependencies for xorg-server. Second, xorg-x11 is *nothing*. It's just a meta package that pulls dependencies, it doesn't actually install a single file on your hard disk, and it doesn't compile anything at all. So, re-emerging it will do nothing. /etc/make.conf has a later timestamp than /usr/bin/Xorg, yet this doesn't trigger the -N flag. -N flag is not triggered based on time stamps. Each time a package is merged, the USE flags you used the last time you merged it are stored under /var/db/pkg. All -N does is to check if these flags that are stored match the current ones, and if not, the offending package is re-emerged. If I wanted just to remove Xorg, together with the 188 other packages installed with it, would it be correct to run these commands: emerge --unmerge xorg-x11 emerge --depclean As long as you didn't emerge any single X package by hand, yes. But it will do nothing to help you, it will not solve your problem. And it's not related to your problem either. You'd just be wasting time. -- Jesús Guerrero
Re: [gentoo-user] Can I (partially) rebuild a package with emerge?
Le mercredi 16 décembre 2009 21:44:29, Alan Mackenzie a écrit : Hi, gentoo, I've just emerged xorg-x11, and noticed that I had a wrong setting for VIDEO_CARDS in /etc/make.conf. Does emerge have a facility to rebuild only those portions of xorg-x11 dependent on that setting, or do I have to start again from scratch? I've perused the emerge man page, but not found this situation addressed. Thanks for the help! Actually it's not possible because when a package is merged with success, the build tree is deleted from /var/tmp/portage. The only choice you have is to rebuild the whole package using emerge -- oneshot package. By the way, the rebuild will also pull the new dependencies implied by the new use flags settings. HTH. -- Xavier Parizet YaGB: http://gentooist.com
Re: [gentoo-user] Can I (partially) rebuild a package with emerge?
On Wed, 16 Dec 2009 20:44:29 +, Alan Mackenzie wrote: I've just emerged xorg-x11, and noticed that I had a wrong setting for VIDEO_CARDS in /etc/make.conf. Does emerge have a facility to rebuild only those portions of xorg-x11 dependent on that setting, or do I have to start again from scratch? I've perused the emerge man page, but not found this situation addressed. VIDEO_CARDS sets USE flags, so emerge -uavDN world. -- Neil Bothwick Angular Momentum Makes The World Go 'Round signature.asc Description: PGP signature
Re: [gentoo-user] Can I (partially) rebuild a package with emerge?
On Wednesday 16 December 2009 23:06:00 Xavier Parizet wrote: Le mercredi 16 décembre 2009 21:44:29, Alan Mackenzie a écrit : Hi, gentoo, I've just emerged xorg-x11, and noticed that I had a wrong setting for VIDEO_CARDS in /etc/make.conf. Does emerge have a facility to rebuild only those portions of xorg-x11 dependent on that setting, or do I have to start again from scratch? I've perused the emerge man page, but not found this situation addressed. Thanks for the help! Actually it's not possible because when a package is merged with success, the build tree is deleted from /var/tmp/portage. The only choice you have is to rebuild the whole package using emerge -- oneshot package. By the way, the rebuild will also pull the new dependencies implied by the new use flags settings. OT for the original question, but there is a way to lessen the amount of work done if a package may need to be merged (or attempted to be merged) repeatedly. You have to do it manually though: - ensure all needed deps are already installed - ebuild package command where command is on of fetch, unpack, compile, install, etc as detailed in the ebuild man page. You can't restart a failed compile from where it left off [you can do that if you are running make manually, but ebuild abstracts that away] but at least some work can be omitted. If course, this in no way answers the original question, but it's occasionally useful to know -- alan dot mckinnon at gmail dot com
Re: [gentoo-user] Can I (partially) rebuild a package with emerge?
On Wed, 16 Dec 2009 20:44:29 +, Alan Mackenzie a...@muc.de wrote: Hi, gentoo, I've just emerged xorg-x11, and noticed that I had a wrong setting for VIDEO_CARDS in /etc/make.conf. Does emerge have a facility to rebuild only those portions of xorg-x11 dependent on that setting, or do I have to start again from scratch? I've perused the emerge man page, but not found this situation addressed. What you failed to see if that VIDEO_CARDS flags are just an special type of USE flags. Using -auDvN world will fix everything. Truly speaking, xorg-server wouldn't even need to be recompiled (though that's what portage will do). As far as I know, all these special USE flags for xorg-server just push one of another xf86-video-* package(s) as dependencies, which in turn install the required driver(s). The rest of Xorg components do not relate to this, you shouldn't need to recompile anything else unless it also depends on VIDEO_CARDS (only several packages do, like DirectFB if I remember right). -- Jesús Guerrero
Re: [gentoo-user] Can I (partially) rebuild a package with emerge?
2009/12/16 Jesús Guerrero i92gu...@terra.es: On Wed, 16 Dec 2009 20:44:29 +, Alan Mackenzie a...@muc.de wrote: Hi, gentoo, I've just emerged xorg-x11, and noticed that I had a wrong setting for VIDEO_CARDS in /etc/make.conf. Does emerge have a facility to rebuild only those portions of xorg-x11 dependent on that setting, or do I have to start again from scratch? I've perused the emerge man page, but not found this situation addressed. What you failed to see if that VIDEO_CARDS flags are just an special type of USE flags. Using -auDvN world will fix everything. Truly speaking, xorg-server wouldn't even need to be recompiled (though that's what portage will do). As far as I know, all these special USE flags for xorg-server just push one of another xf86-video-* package(s) as dependencies, which in turn install the required driver(s). The rest of Xorg components do not relate to this, you shouldn't need to recompile anything else unless it also depends on VIDEO_CARDS (only several packages do, like DirectFB if I remember right). -- Jesús Guerrero Actually, as I ran across on my ~x86 systems, x11-base/xorg-drivers is now a separate ebuild from xorg-server, keeping the latter from trying to be rebuilt every time you change what drivers you want to have built... and looking at gentoo-portage.com, xorg-drivers-1.6 is stable on both amd64 and x86. It really is a much more sensible approach, and appears to work rather well. -- Poison [BLX] Joshua M. Murphy
