Loading a package shared lib works in 2.12 but not 2.11
On 13.04.2011 17:32, Von Der Hirschheydt, Juergen wrote:
Hi, I have a problem with an external library on a previous R version. We've created our own package containing a mixture of C++ as well as R code which works fine under R 2.12.1. However, trying to install the very same package ZIP file on R 2.11.1 will issue an error when loading a library:
A zip file is a binary package that has been compiled for an almost fixed triple (R version, OS, hardware), where OS is Windows in 32-bit, 64-bit or (exclusive) both of them in this case. Therefore, you have to download a zip that was made for R-2.11.x which is available from yourCRANmirror/bin/windows/contrib/2.11 or more easily just via install.packages() that picks uop the correct repository. Alternatively, install from sources - and read the R Installation and Administration manual. Uwe Ligges
> utils:::menuInstallLocal()
package 'quasar' successfully unpacked and MD5 sums checked
> require(quasar)
Loading required package: quasar
Error in library.dynam(lib, package, package.lib) :
shared library 'quasar' not found
In addition: Warning message:
package 'quasar' was built under R version 2.12.1
(quasar being the name of the package). Does anyone have some pointers
why it works under 2.12.1 but not 2.11.1 ? I've looked over the
changelog but couldn't find any clue there.
Has the mechanism for "useDynLib(quasar)" in the NAMESPACE file changed
?
Thanks for your time,
Cheers,
Juergen
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