[R-SIG-Mac] trying to compile packages from source, but lacking /opt/local/bin/gcc-mp-5

Prof Brian Ripley ripley at stats.ox.ac.uk
Tue Nov 21 09:34:52 CET 2017


On 21/11/2017 04:03, Vincent Carey wrote:
> %vjcair> R CMD config CC
> 
> /opt/local/bin/gcc-mp-5
> 
> 
> I don't seem to be able to override this using environment variable CC.  And

When all else fails, read the manual (but, see the posting guide, before 
posting here)!  This is covered in, e.g.,

https://cran.r-project.org/doc/manuals/r-release/R-admin.html#macOS-packages

https://cran.r-project.org/doc/manuals/r-release/R-admin.html#Customizing-package-compilation

> 
> I cannot see how to install gcc-mp-5.  This version of R was obtained from
> 
> r.research.att.com, R-3.4-branch-el-capitan.pkg.
> 
> 
> I would have expected clang to be the c compiler for this build.  I will

It was for the released version of 3.4.2.  Problems with off-CRAN builds 
are best addressed to the builder, here Simon Urbanek.  But that is a 
month-old snapshot build ... I don't understand why you did not simply 
update it, and I see 'clang' in the current snapshot.


> 
> appreciate any suggestions.  As it stands, any installation from source
> requiring
> 
> compilation throws errors like
> 
> /bin/sh: /opt/local/bin/g++-mp-5: No such file or directory
> 
> 
> R version 3.4.2 Patched (2017-10-20 r73567) -- "Short Summer"
> 
> Copyright (C) 2017 The R Foundation for Statistical Computing
> 
> Platform: x86_64-apple-darwin15.6.0 (64-bit)
> 
> 
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>    Natural language support but running in an English locale
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> 
>> sessionInfo()
> 
> R version 3.4.2 Patched (2017-10-20 r73567)
> 
> Platform: x86_64-apple-darwin15.6.0 (64-bit)
> 
> Running under: macOS Sierra 10.12.6
> 
> 
> Matrix products: default
> 
> BLAS:
> /Library/Frameworks/R.framework/Versions/3.4/Resources/lib/libRblas.0.dylib
> 
> LAPACK: /Library/Frameworks/R.framework/Versions/3.4
> 
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-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Emeritus Professor of Applied Statistics, University of Oxford



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