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arnolde
n00b
Joined: 29 Dec 2005
Posts: 32
Location: Frankfurt, Germany
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 Posted: Sun Jan 08, 2006 5:04 pm Post subject: How to install very small Xorg? |
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I'm trying to make a very small installation of Gentoo on a (bootable) Compact Flash CF card (using an IDE adapter). I'm working with the TinyGentoo HOWTO (http://gentoo-wiki.com/TinyGentoo) and other sources mentioned there. With help of this document I was able to get Gentoo running rather quickly on my CF card, using less than 16MB. If it uses 32MB with X I'll be happy, but I really think it should all fit into 16MB.
Now since my intention is building a video player / media center / whatever you call it, I need X to playback movies (I'm using mplayer). Since I need the Openchrome Unichrome drivers to enable accelerated mpeg2 playback, I cannot use framebuffer for video playback.
When I now emerge Xorg-server (I'm working with 7.0 because it works best with my video card, already put a lot of time into getting that working at all) it of course wants to emerge over 60 (!) other packages. Now while I'm fine with the libx... and stuff, I don't need xterm, xclock, rand..., fonts, anything of that sort, which is about half of the list. I need no window manager, no fonts, no windows, no mouse, no keyboard (the system is remote or script controlled), just a plain black screen with the video drivers running. I do need mesa, dri, drm, and video drivers.
How can I hack into what the configure script wants and reduce the load of stuff it's asking for? I've already tried the emerge -O option, which installs a package without caring for it's dependancies, but still the configure script in xorg-server calls for lotsa stuff. Is there a tutorial somewhere out there that explains how the X system works, how the configure script and pkg-config and the libraries etc. etc. all work together, so I can see what I can do?
I thought Xorg-7.0 was called "modular".. meaning I can install just the parts that I need... huh? How?
Oh yes, of course I'm using the USE "minimal -X" flags... |
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calr0x
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Joined: 16 Aug 2004
Posts: 244
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| Posted: Sun Jan 08, 2006 8:19 pm Post subject: |
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As far as xclock etc I'm curious too...
Edit:
It appears xinit is pulling in xclock...
_________________
Edit the subject of the original post w/ [SOLVED] at the end if this thread is resolved. |
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Pse
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Joined: 01 Mar 2005
Posts: 188
Location: by the plate river
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| Posted: Sun Jan 08, 2006 8:38 pm Post subject: |
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| I know you've already spent a lot of time getting xorg-7.0 up and running, but you might want to go back to the monolithic xorg-6.9 tree and use USE keywords to get rid of all the unneeded parts. There's no xorg-6.9 ebuild in portage, so you'll have to get it somewhere else... |
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arnolde
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Joined: 29 Dec 2005
Posts: 32
Location: Frankfurt, Germany
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| Posted: Sun Jan 08, 2006 8:45 pm Post subject: |
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| Pse wrote: | | I know you've already spent a lot of time getting xorg-7.0 up and running, but you might want to go back to the monolithic xorg-6.9 tree and use USE keywords to get rid of all the unneeded parts. There's no xorg-6.9 ebuild in portage, so you'll have to get it somewhere else... |
How will using USEs be different with 6.9 than with 7.0? |
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ianegg
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Joined: 26 Oct 2005
Posts: 279
Location: Breakfast.
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| Posted: Sun Jan 08, 2006 11:08 pm Post subject: |
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Just don't emerge xorg-x11. Have a look for the packages you need, and do each one manually. xorg-x11 doesn't actually build anything, it just uses dependencies to emerge the packages needed for a basic X server.
basic as opposed to minimal 
You may need to add xorg-x11 or something similar to /etc/portage/profile/package.provided, or maybe it was /etc/portage/profile/virtuals |
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arnolde
n00b
Joined: 29 Dec 2005
Posts: 32
Location: Frankfurt, Germany
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| Posted: Mon Jan 09, 2006 7:24 am Post subject: |
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| ianegg wrote: | | Just don't emerge xorg-x11. Have a look for the packages you need, and do each one manually. xorg-x11 doesn't actually build anything, it just uses dependencies to emerge the packages needed for a basic X server. |
I find that hard to believe, all the 64 dependant packages are just libraries, fonts and apps, but the actual x11-xorg package is 6.7 MB in size. Or are there seperate packages out there that install only parts of what x11-xorg would do?
I should think there would be a "basic X" install somehow? I can't be the only guy who wants one??? |
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ianegg
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Joined: 26 Oct 2005
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| Posted: Mon Jan 09, 2006 11:31 am Post subject: |
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If you look at /usr/portage/x11-base/xorg-x11/xorg-x11-7.0.ebuild you can see that it doesn't actually build anything, but it does create and check for a symlink (/usr/X11R6 -> /usr) and "Filter out ModulePath line since it often holds a now-invalid path" - whatever that means.
According to the Gentoo documentation: | Quote: | Now, install the metabuild. This will install the server and popular applications, giving you a working desktop implementation of X:
Code Listing 2.4: Installing the modular metabuild
# emerge xorg-x11
Note that this install tries to be rather minimal, so things like xcursor-themes are not installed by default. |
Obviously it's not minimal enough for you...
An aternative if you don't want to do this manually would be to copy the xorg ebuild to your overlay (/usr/local/portage/...etc..) (possibly use a higher version number) and just take out the RDEPEND lines for the packages you don't want. Of course, you'd have to change any future xorg-x11 ebuilds.
| Code: | # Server
RDEPEND="${RDEPEND}
>=x11-base/xorg-server-1.0.1"
# Common Applications
RDEPEND="${RDEPEND}
>=x11-apps/mesa-progs-6.4.1
>=x11-apps/setxkbmap-1.0.1
>=x11-apps/xauth-1.0.1
>=x11-apps/xhost-1
>=x11-apps/xinit-1.0.1
>=x11-apps/xmodmap-1
>=x11-apps/xrandr-1.0.1"
# Common Libraries - move these to eclass eventually
RDEPEND="${RDEPEND}
>=x11-libs/libSM-1
>=x11-libs/libXcomposite-0.2.2.2
>=x11-libs/libXcursor-1.1.5.2
>=x11-libs/libXdamage-1.0.2.2
>=x11-libs/libXfixes-3.0.1.2
>=x11-libs/libXv-1.0.1
>=x11-libs/libXxf86dga-1
>=x11-libs/libXinerama-1.0.1
>=x11-libs/libXScrnSaver-1.0.1
xprint? ( >=x11-libs/libXp-1 )
3dfx? ( >=media-libs/glide-v3-3.10 )"
# Some fonts
RDEPEND="${RDEPEND}
>=media-fonts/font-bh-ttf-1
>=media-fonts/font-adobe-utopia-type1-1.0.1
>=media-fonts/font-bitstream-type1-1"
# Documentation
RDEPEND="${RDEPEND}
>=app-doc/xorg-docs-1.0.1" |
That's from the ebuild - it looks like it's ignoring USE flags for the time being, but you can probably delete a few of those lines. The rest of the crap that's being pulled in must be dependencies of these packages, so you may have a lot of ebuild checking in store.
EDIT: | calr0x wrote: | As far as xclock etc I'm curious too...
Edit:
It appears xinit is pulling in xclock... |
If changing the ebuild still pulls in too many packages, you may need to just emerge all the packages manually as I originally said, with --nodeps, and worry about dependencies yourself. Maybe you should experiment with USE flags and pretend emerges of 6.9... |
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