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

[Spencer Graves]

Hi, Bryon et al.:


       Thanks.  I did that and got virtually the same response ending 
with "clang: error: unsupported option '-fopenmp'".


       Specifically, I started by looking for a "clang" subdirectory 
under "/usr/local/", which is where clang-8.0.0.pkg from 
"https://cran.r-project.org/bin/macosx/tools/" installed.  I did not 
find one.  I then downloaded and installed Clang8, and it appeared in 
directory "/usr/local/clang8".  I then rebooted and tried "R CMD build 
bssm" as before with the following results:


 > 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/Rtmp7TLdXk/Rinst6842b1d5fb3/bssm’
       -----------------------------------
ERROR: package installation failed


       Suggestions?
       Thanks,
       Spencer


On 2019-05-06 18:19, Byron Ellis wrote:
> 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 <mailto: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 <mailto:byron.ellis using gmail.com>)
> "Oook" -- The Librarian


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