[R-pkg-devel] Trouble installing XML on Windows 7 (64-bit)

Gábor Csárdi csardi.gabor at gmail.com
Thu Dec 14 19:19:03 CET 2017


Those packages were built for R-release. There are no appropriate
windows binaries for R-devel on CRAN currently. You need to
compile/install the source package:

install.packages("XML", type = "source")

Gabor

On Thu, Dec 14, 2017 at 5:58 PM, Haigh, Rowan <Rowan.Haigh at dfo-mpo.gc.ca> wrote:
> I maintain a few packages on CRAN, one of which depends on the XML package.
> Using the latest R-devel (2017-12-13 r73907), I can install the XML Windows binary from CRAN but I cannot load it:
>
>> require(XML)
> Loading required package: XML
> Error: package or namespace load failed for 'XML':
> package 'XML' was installed by an R version with different internals; it needs to be reinstalled for use with this R version
>
> I tried installing XML from source, but the compilation requires the libxml library.
> Following the suggestions of various online users, I've tried putting libxml header files from different sources (www.omegahat.net/RSXML/<http://www.omegahat.net/RSXML/>, https://git.gnome.org/browse/libxml2/) in the R-devel/include/libxml directory, but C compilation fails (not surprisingly).
>
> I'm not a C programmer and would appreciate any help on how to install the R package XML from source on a Windows system.
> Thank-you.
>
> Rowan Haigh
> --------------------------------------------------------------------------------------------------
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> Offshore Section, Aquatic Resources Research & Assessment Division, Fisheries and Oceans Canada
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> --------------------------------------------------------------------------------------------------
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