[Rd] Outdated dependencies and install.packages()

[Martin Morgan]

A small addendum is that if the outdated dependency is in the
LinkingTo: field, the error can be more cryptic. Installation then
fails with compilation errors rather than the hint that the dependency
is out of date.

Martin Morgan

Peter Dalgaard <P.Dalgaard at biostat.ku.dk> writes:

> This looks like a buglet:
>
>> install.packages("lme4", depend=TRUE, lib="~/Rlibrary/")
> --- Please select a CRAN mirror for use in this session ---
> [...snip...]
> ** preparing package for lazy loading
> Error: package 'Matrix' 0.999375-4 was found, but >= 0.999375.11 is
> required by 'lme4'
> Execution halted
> ERROR: lazy loading failed for package 'lme4'
> ** Removing '/home/bs/pd/Rlibrary/lme4'
> ** Restoring previous '/home/bs/pd/Rlibrary/lme4'
>
> and the DESCRIPTION file for lme 4 does have
>
> Depends: methods, R(≥ 2.7.0), Matrix(≥ 0.999375-11), lattice
> <http://cran.r-project.org/web/packages/lattice/index.html>
>
>
> Looks like we're either not checking the version requirement of
> dependencies, or something is making 4 > 11... (from my reading of the
> code, it is the former, but I could have missed something).
>
> We should at least document the behaviour.
>
> -- 
>    O__  ---- Peter Dalgaard             Øster Farimagsgade 5, Entr.B
>   c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
>  (*) \(*) -- University of Copenhagen   Denmark      Ph:  (+45) 35327918
> ~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)              FAX: (+45) 35327907
>
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-- 
Martin Morgan
Computational Biology / Fred Hutchinson Cancer Research Center
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PO Box 19024 Seattle, WA 98109

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