For what it's worth, this issue persists in R-rc_2014-04-02_r65358.

Regards,
Jon


On 24 March 2014 10:40, Jon Clayden <jon.clayden@gmail.com> wrote:

> Dear all,
>
> As of the current R alpha release, I'm seeing timezone-related warnings on
> installing any package (including the recommended ones), which I haven't
> seen before. For example,
>
> [~/Documents/Source/R-alpha]$ bin/R CMD INSTALL ~/git/tractor/lib/reportr
> * installing to library '/Users/jon/Documents/Source/R-alpha/library'
> * installing *source* package 'reportr' ...
> Warning in as.POSIXlt.POSIXct(x, tz) : unknown timezone 'Europe/London'
> Warning in as.POSIXlt.POSIXct(x, tz) : unknown timezone 'GMT'
> Warning in as.POSIXlt.POSIXct(x, tz) :
>   unknown timezone 'America/New_York'
> Warning in as.POSIXlt.POSIXct(x, tz) : unknown timezone 'GMT'
> Warning in as.POSIXlt.POSIXct(x, tz) :
>   unknown timezone 'America/New_York'
> ** R
> ** preparing package for lazy loading
> ** help
> *** installing help indices
> ** building package indices
> ** testing if installed package can be loaded
> * DONE (reportr)
>
> This is R-alpha r65266, built from source on OS X 10.9.2 using gcc 4.8.2.
> I ran configure with
>
> ./configure --with-blas="-framework Accelerate" --with-lapack
> --with-system-zlib --enable-memory-profiling
> --with-tcl-config=/System/Library/Frameworks/Tcl.framework/tclConfig.sh
> --with-tk-config=/System/Library/Frameworks/Tk.framework/tkConfig.sh
> CC=gcc-4.8 CXX=g++-4.8 OBJC=clang F77=gfortran-4.8 FC=gfortran-4.8
> CPPFLAGS="-D__ACCELERATE__" CFLAGS="-mtune=native -g -O2"
> CXXFLAGS="-mtune=native -g -O2" FFLAGS="-mtune=native -g -O2"
> FCFLAGS="-mtune=native -g -O2"
>
> Session info is
>
> R version 3.1.0 alpha (2014-03-23 r65266)
> Platform: x86_64-apple-darwin13.1.0 (64-bit)
>
> locale:
> [1] en_GB.UTF-8/en_GB.UTF-8/en_GB.UTF-8/C/en_GB.UTF-8/en_GB.UTF-8
>
> attached base packages:
> [1] stats     graphics  grDevices utils     datasets  methods   base
>
> I see some related material in the NEWS, but no indication that these
> warnings are expected. I hope this report is helpful.
>
> All the best,
> Jon
>
>

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