[Rd] dyn.load and function calls without 'PACKAGE' argument
jhallman at frb.gov
jhallman at frb.gov
Fri Dec 8 15:40:14 CET 2006
I'm writing a package that interfaces to the FAME database, via a
library of compiled C routines accessible through a Linux .so file. My
.onLoad() function loads the .so like this:
dyn.load("/opt/fame/timeiq/lib/linux_x86/libjchli.so", local = F)
and after that I also load my own fame.so via
library.dynam("fame", package = "fame")
The code in fame.so uses functions found in libjchli.so, making the
'local = F' argument in dyn.load() necessary. But since Fame symbols
are found in libjchli.so, which is NOT part of my package, I can't, for
example, do this:
.C("cfmfin", status = integer(1), PACKAGE = "fame")
since the PACKAGE argument tells R to look only in fame.so for symbols.
Instead, I have to do it without specifying 'PACKAGE', i.e.,
.C("cfmfin", status = integer(1))
This works, but 'R CMD check' complains:
"Foreign function calls without 'PACKAGE' argument:"
followed by a list of the functions called from libjchli.so.
Is there a way to make R CMD check happy here?
Jeff
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