Hi,
I want to cross-reference from the documentation of pkg1 to pkg2, which
is imported in the NAMESPACE of pkg1, and under Depends in DESCRIPTION
of pkg1. According to "Writing R extensions", this can be done by:
\code{\link{foo}}
when foo is an aliased function in the documentation of pkg2. This works
as it should when I install the package, but when I run R CMD check
pgk1, I get a warning:
* checking Rd cross-references ... WARNING
Missing link(s) in documentation object 'fooPkg1.Rd'
foo
I have tried to change the link to
\code{\link[pkg2]{foo}}
\code{\link[pkg:pkg2]{foo}}
None of these works, the first gives a link that leads to an error page,
and the second one gives a link that does not work at all. I assume this
is as it should be; foo.Rd does not exist. However, R CMD check does not
complain about any of these links...
Why does R CMD check warn me against links that work? I think pkg2 is
not on the search path when looking for cross-references, but why? R CMD
check continues to run after the warning without any complaints, and all
tests rely on pkg2. I am quite sure there is something simple that I
have overlooked, but cannot figure out what it is.
Best wishes,
Jon
Platform etc:
XP SP3, R 2.9-2, Rtools210 (the problem was also there before upgrading
from R 2.9-1 and Rtools29 )
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