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Hi Dag, |
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Dag Sverre Seljebotn wrote: |
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> Just stumbled over Gentoo prefix and it seems very exciting (see my |
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> usecase below). My question: |
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You're welcome! |
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> Is it possible to use the host system's bash/gcc/... when having a |
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> Gentoo prefix on Mac or Linux? I.e. a system for setting up software |
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> which doesn't have *too* much redundancy with the host system. One would |
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> then set PATH, LD_LIBRARY_PATH, MANPATH etc. to use it as an overlay |
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> over the host system. |
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While it should be "possible" to some degree to do this, we can not recommend |
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and of course not really support this - although you might get hints for specific |
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problems here and there. |
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First hint: Do _not_ use LD_LIBRARY_PATH (on a regular basis) for various reasons. |
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> It wouldn't need to support all the Gentoo packages, just a select subset. |
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> |
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> All the bootstrapping guides assume setting up a seperate toolchain for |
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> Gentoo prefix. I know very little about Gentoo, but am eager to read up |
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> on it. But just a tiny link to the right docs can save me massive |
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> amounts of time now in the beginning. |
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You really should put a toolchain (binutils, gcc, libtool, other?) into |
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your Prefix, they provide the magic necessary to avoid LD_LIBRARY_PATH. |
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For other packages: You can try to package.provide[1] them and see what |
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breaks. Eventually you might have to create symlinks inside your Prefix |
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pointing to host utilitis, or you might have to modify ebuilds... |
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Second hint: |
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It does help to be a more experienced (at least) user (Gentoo Linux |
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and/or Gentoo Prefix) when trying to reuse host packages. |
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<snip> |
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> - Need to distribute software fast and iteratively to coworkers on the |
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> other side of the world with a totally different setup |
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> - Linux, Mac, Solaris, Windows... |
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Third hint: |
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Having that many different systems and users feels like becoming a maintenance |
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nightmare when trying to use as much as possible packages from the host system. |
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[1] http://www.gentoo.org/doc/en/handbook/handbook-x86.xml?part=3&chap=5#doc_chap3 |
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where /etc/portage/profile/package.provided is below your Prefix. |
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HTH, |
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/haubi/ |
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-- |
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Michael Haubenwallner |
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Gentoo on a different level |
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