[R-SIG-Mac] Installing gfortran

[Göran Broström]

Hi Patrick,

Den 2022-04-22 kl. 22:54, skrev Patrick Schratz:
> Hi Göran
> 
> |curl -O 
> https://mac.r-project.org/libs-arm64/gfortran-f51f1da0-darwin20.0-arm64.tar.gz 
> sudo tar fvxz gfortran-f51f1da0-darwin20.0-arm64.tar.gz -C / |
> 
> should do it.

It did. Thanks!

Göran

> 
> See also 
> https://pat-s.me/transitioning-from-x86-to-arm64-on-macos-experiences-of-an-r-user/#gfortran 
> <https://pat-s.me/transitioning-from-x86-to-arm64-on-macos-experiences-of-an-r-user/#gfortran> 
> or https://cynkra.com/blog/2021-03-16-gfortran-macos/ 
> <https://cynkra.com/blog/2021-03-16-gfortran-macos/> for more information.
> 
> Cheers
> Patrick
> 
> On 22 Apr 2022, at 22:01, Göran Broström wrote:
> 
>     Trying gfortran-f51f1da0-darwin20.0-arm64.tar.gz from
>     https://mac.r-project.org/libs-arm64/
>     <https://mac.r-project.org/libs-arm64/> (following instructions),
>     download and unpack,
> 
>     but no sight of gfortran in /opt/R/arm64/bin
> 
>     so the building of my package fails.
> 
>     clang -arch arm64
>     -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG
>     -I/opt/R/arm64/include -fPIC -falign-functions=64 -Wall -g -O2 -c
>     c2f.c -o c2f.o
>     /opt/R/arm64/bin/gfortran -mtune=native -fno-optimize-sibling-calls
>     -fPIC -Wall -g -O2 -c chek.f -o chek.o
>     make: /opt/R/arm64/bin/gfortran: No such file or directory
>     make: *** [chek.o] Error 1
> 
>     Of course, there is a warning on that web page (so why the link to
>     it?) saying that
> 
>     IMPORTANT: All binaries are moving to a unified repository under
>     /bin/darwin<ver>/<arch> with manifest file to simplify automated
>     installataion. Go to /bin/darwin20/arm64 for latest Big Sur arm64
>     binaries. The following is only kept for legacy access.
> 
>     but there I cannot identify (by name) any file that could contain a
>     fortran compiler.
> 
>     To summarize: I need help.
> 
>     Thanks, Göran
> 
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