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doc: Augment the "Porting" section.

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Reported by Andreas Enge <andreas@enge.fr>.

* doc/guix.texi (Porting): Document needed changes to (gnu packages
  bootstrap) and (gnu packages linux).
This commit is contained in:
Ludovic Courtès 2013-10-28 22:59:57 +01:00
parent 011b18c332
commit 72e25e35a5
1 changed files with 7 additions and 0 deletions
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doc/guix.texi
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@ -2086,6 +2086,13 @@ one:
guix build --target=armv5tel-linux-gnueabi bootstrap-tarballs
@end example
Once these are built, the @code{(gnu packages bootstrap)} module needs
to be updated to refer to these binaries on the target platform. In
addition, the @code{glibc-dynamic-linker} procedure in that module must
be augmented to return the right file name for libc's dynamic linker on
that platform; likewise, @code{system->linux-architecture} in @code{(gnu
packages linux)} must be taught about the new platform.
In practice, there may be some complications. First, it may be that the
extended GNU triplet that specifies an ABI (like the @code{eabi} suffix
above) is not recognized by all the GNU tools. Typically, glibc