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R CMD BUILD
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* checking for file Ibex/DESCRIPTION ... OK
* preparing Ibex:
* checking DESCRIPTION meta-information ... OK
* installing the package to build vignettes
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* installing *source* package Ibex ...
** this is package Ibex version 0.99.30
** using staged installation
** R
** data
** inst
** byte-compile and prepare package for lazy loading
Error in get(n, ns) : object 'getExternalDir' not found
Calls: <Anonymous> ... withCallingHandlers -> loadNamespace -> namespaceImportFrom -> get
Execution halted
ERROR: lazy loading failed for package Ibex
* removing /tmp/RtmpjH2TM3/Rinst9de897d6d63d/Ibex
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ERROR: package installation failed