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clytle374
Apprentice
Joined: 01 Aug 2006
Posts: 221
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 Posted: Fri Aug 04, 2006 4:13 am Post subject: AMD64:32-bit; A Noob's SUQ "Still Unanswered Questions& |
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I'm try to condense some info, please inform of errors.
This thread is started after 2 days (almost 48Hrs in these fourm). Searching fourms tend to give outdated or as the saying goes "can't see the forrest for all the tree's"
The AMD64 will run 32-bit apps (minus binary only kernel drivers) with compat libs:
| Code: | [ebuild N ] app-emulation/emul-linux-x86-sdl-2.3
[ebuild N ] app-emulation/emul-linux-x86-gtklibs-2.8.8
[ebuild N ] app-emulation/emul-linux-x86-qtlibs-3.4.4
[ebuild N ] app-emulation/emul-linux-x86-xlibs-7.0-r1
[ebuild N ] app-emulation/emul-linux-x86-medialibs-1.2
[ebuild N ] app-emulation/emul-linux-x86-soundlibs-2.3
[ebuild N ] app-emulation/emul-linux-x86-baselibs-2.5.1
[ebuild N ] app-emulation/emul-linux-x86-compat-1.0-r1
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are installed and 32-bit emumation is on in the kernel
A chroot32 allows user to build and run 32-bit apps. http://www.gentoo.org/proj/en/base/amd64/howtos/index.xml?part=1&chap=2
I can get this to work, but i haven't tried to install 3D drivers yet. Can a entire desktop be built and ran inside chroot32? Can the nvidia glx be installed there. Or at least make xhost run 3D apps?
A cross-compile will allow building 32-bit apps. http://arcanux.org/guidexml/cross-development.html
eselect refrences the above.
I read that there are several ways to build 32-bit apps with out the chroot or cross compile.(both break, looking for info)
CFLAGS="$CFLAGS -m32"
or
CTARGET="i686-pc-linux-gnu"
Any others.
Is there a way to pass these to emerge? or do you use ebuild? Or other, or not.
If you read the fourms you will find refrences to using firefox32, it seems to be gone and replaced with firefox-bin!
It takes a while to find out firefox-bin is really 32-bit. Same thing with mplayer32, it is mplayer-bin (why not mplayer32-bin?)
And mplayerplug-in-bin, mplayer32plugin, or mplayer32plug-in-bin is gone all together?
Say i want to build the above 32-bit mplayerplug-in to match my 32-bit firefox and mplayer
Mplayer Plugin:http://sh.nu/download/ebuilds/mplayer/
Note: the cd $PORTDIR_OVERLAY is not literial, ie don't type it: cd /to/actual/dir
Is there a browser/player/plugin combo that run java,flash,32-bit codecs???
MediaPlayerConnectivity, firefox-bin, netscape-flash, mplayer-bin.
General info on this topic, in this thread.https://forums.gentoo.org/viewtopic-t-447949-postdays-0-postorder-asc-highlight-mplayerplugin-start-0.html
I find refrences to:
But i can't find it.
My intent here is to try and unload the fourms with some sort of FAQ to answer these questions, as many of the posts are redundant. I am sure these questions are all answered elsewhere, yet searcing these answers take forever.
I'm not new to linux started on RH6, this is my first Gentoo.  I've learned alot, and learned what i don't know 
Links to DOC's ,FAQ's, HOWTO's would be great. I'll turn it into a FAQ if answers are provided, and people want it.
Cory
Ignorance is !Bliss
Last edited by clytle374 on Sat Aug 05, 2006 9:05 pm; edited 4 times in total |
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dr_strange
Guru
Joined: 16 Apr 2002
Posts: 480
Location: Cambridge, UK
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| Posted: Fri Aug 04, 2006 11:39 am Post subject: |
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to get revdep-rebuild you will have to emerge gentoolkit
_________________
shine on,
dr_strange
Set the Controls for the Heart of Gentoo
http://magenta.linuxforum.hu |
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clytle374
Apprentice
Joined: 01 Aug 2006
Posts: 221
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| Posted: Fri Aug 04, 2006 6:59 pm Post subject: |
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MODERATOR:Can we start a fourm on 32-bit under AMD64?? I'm not the only one confused!!!!
This seems to have no effect. | Code: |
CTARGET="i686-pc-linux-gnu" emerge -av (whatever) |
Nor does this:
| Code: | | . /etc/make.conf && CFLAGS="$CFLAGS -m32" emerge quake2-icculus |
I also tried | Code: |
CTARGET="-m32" emerge -av (whatever) |
That ain't it. Returns errors.
Isn't somthing needed to point to lib32 for libs?
| Quote: |
But the problem is that the instructions for installing the plugin(s) have you shut down the
broser after downloading and run the installer. The installer is either a 32 bit binary or
a shell script. It is the installer that bails out because it detects a 64 bit system. |
Will linux32 ( DOCS??, no man page) correct the above. what does linux32 do exactly. |
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bakaohki
Tux's lil' helper
Joined: 14 Jul 2005
Posts: 129
Location: Hungary
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| Posted: Sat Aug 19, 2006 7:22 pm Post subject: |
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linux32 IS setarch, it will fool an existing chroot to think it is run on an x86 architecture. Nothing more, it's not magic (I'm saying this just because I have seen ubuntu people use it as a magical toy).
if you chroot into an x86 gentoo "uname -a" would still say it is an amd64 distro,
but if you do "linux32 chroot" it will say i686. |
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Gentoo on AMD64
