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jnovek
n00b
Joined: 13 Oct 2005
Posts: 5
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 Posted: Sun Jun 18, 2006 3:23 pm Post subject: Installing 32-bit libraries for second life |
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After some experimentation, I've found that the Linux Second Life alpha links libdb-4.2.so. Since the Second Life alpha is compiled for a 32-bit machine, it needs to link to a 32-bit library. It seems that I lack that library ('ls /usr/lib32/ | grep libdb' gives me nothing), but have the 64-bit version installed. 'emerge db' just installs the 64-bit version.
I've tried to do a bit of research here, but the Gentoo docs are disappointingly sparse. The only useful snippet seems to be from the "Gentoo AMD64 FAQ" ( http://www.gentoo.org/doc/en/gentoo-amd64-faq.xml ) stating in the question, "What is Multilib and How can I Use It?":
| Quote: | You can, however, natively run 32-bit applications if all shared libraries it needs are available as 32-bit objects. You can choose whether you want multilib support or not by selecting the according profile. The default is a multilib-enabled profile.
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However, I can't seem to determine if my selected profile has multilib enabled... apparently not, since it hasn't been dutifully compiling all my libraries as 64- AND 32-bit objects. Furthermore, I cannot figure out which profile will compile 32-bit libraries, if I have to do something special to do so, etc.
I would love a link to good docs that I've missed, but anyone who needs to accompany it with non-helpful comments like, "RTFM" can keep their links to themselves.
Thanks!
Jason |
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Strowi
l33t
Joined: 19 Aug 2003
Posts: 656
Location: Bonn
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| Posted: Sun Jun 18, 2006 3:31 pm Post subject: |
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hi,
you can check your USE-Flags for "mulitlib" in /etc/make.conf.
Furthermore you should check the app-emulation/emul-packages, which contain the 32bit on 64bit stuff.
Also here is the AMD64-FAQ: http://www.gentoo.org/doc/en/gentoo-amd64-faq.xml#emul32 (just one step above multlib)
As it tells, the app-emulation/emul-* packages are emerged as dependencies by 32bit-packages like firefox-bin or mplayer-bin. If you install software without an ebuild, you have to emerge them by hand...
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jnovek
n00b
Joined: 13 Oct 2005
Posts: 5
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| Posted: Sun Jun 18, 2006 4:03 pm Post subject: |
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| Strowi wrote: | hi,
you can check your USE-Flags for "mulitlib" in /etc/make.conf.
Furthermore you should check the app-emulation/emul-packages, which contain the 32bit on 64bit stuff.
Also here is the AMD64-FAQ: http://www.gentoo.org/doc/en/gentoo-amd64-faq.xml#emul32 (just one step above multlib)
As it tells, the app-emulation/emul-* packages are emerged as dependencies by 32bit-packages like firefox-bin or mplayer-bin. If you install software without an ebuild, you have to emerge them by hand... |
Thanks for the speedy response!
I do have mplayer-bin installed, so I can watch .wmv's. I did check the "emul" packages at your suggestion, just to be sure; they are installed. I added the "multilib" flag to my USE the other day... no difference when I try to install db. Further, if I do an 'emerge -pv db' I get:
| Code: | These are the packages that would be merged, in order:
Calculating dependencies... done!
[ebuild R ] sys-libs/db-4.3.29 USE="-bootstrap -doc -java -nocxx -tcltk" 0 kB
Total size of downloads: 0 kB
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...Which doesn' t even list multilib as a possible USE flag!
Jason |
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