[R-SIG-Mac] clang: error: unsupported option '-fopenmp'

[Byron Ellis]

Hi Spencer,

You'll want to get the compiler tools from
https://cran.r-project.org/bin/macosx/tools/ to build properly.

Best,
B



On Mon, May 6, 2019 at 4:17 PM Spencer Graves <spencer.graves using prodsyse.com>
wrote:

> Hello, All:
>
>
>        I'm getting "clang: error: unsupported option '-fopenmp'" when
> trying to build "https://github.com/helske/bssm" under macOS 10.14.14
> with R 3.6.0;  see below.
>
>
>        What do you suggest?
>
>
>        Thanks,
>        Spencer Graves
>
>
> p.s.  Helske told me he thought my compiler was out of date. However,
> I've so far been unable to find instructions that are sufficiently
> current to convince me I might not do more harm than good following them.
>
>
> > R CMD build bssm
> * checking for file ‘bssm/DESCRIPTION’ ... OK
> * preparing ‘bssm’:
> * checking DESCRIPTION meta-information ... OK
> * cleaning src
> * installing the package to build vignettes
>        -----------------------------------
> * installing *source* package ‘bssm’ ...
> ** using staged installation
> ** libs
> clang++ -std=gnu++11
> -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG
> -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/BH/include"
>
> -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/Rcpp/include"
>
> -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/RcppArmadillo/include"
>
> -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/ramcmc/include"
>
> -I"/Library/Frameworks/R.framework/Versions/3.6/Resources/library/sitmo/include"
>
> -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk
> -I/usr/local/include -fopenmp -fPIC  -Wall -g -O2  -c R_approx.cpp -o
> R_approx.o
> clang: error: unsupported option '-fopenmp'
> make: *** [R_approx.o] Error 1
> ERROR: compilation failed for package ‘bssm’
> * removing
>
> ‘/private/var/folders/mh/mrm_14nx19g13lsnj9zmvwjr0000gn/T/RtmppA2gBg/Rinst24427c5cbfeb/bssm’
>        -----------------------------------
> ERROR: package installation failed
>
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>


-- 
Byron Ellis (byron.ellis using gmail.com)
"Oook" -- The Librarian

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