[R-SIG-Mac] gfortran: command not found

Thu Jul 6 19:58:51 CEST 2023

1.  I need to apologize to Simon:  I failed to see his reply to the 
original post.  Then I found the instructions and installed 
gfortran-12.2-universal.pkg, as indicated there, but it still didn't work.

2.  I'm not finding clear instructions on how to update the path on 
macOS 11.7.8, which is the latest version available for my 2014 MacBook 
Pro with a 2.8 GHz Quad-Core Intel Core i7.  I found several pages with 
differing instructions.  I found one in "support.apple.com" that 
recommended something that didn't work.[2]

	  Further suggestions?

	  Thanks again very much.
	  Spencer Graves

[2] "support.apple.com" recommended 
"PATH=/bin:/sbin:/user/bin:/user/sbin:/system/Library/ export PATH", 
then "env".  I did "env" to get the current path, than appended 
":/opt/gfortran/bin" to that and executed the revised 
"PATH=...:/opt/gfortran/bin export PATH".  However, when I checked with 
"env" again, the change was not displayed.  I rebooted with the same 
result.

https://support.apple.com/guide/terminal/use-environment-variables-apd382cc5fa-4f58-4449-b20a-41c53c006f8f/mac

On 7/6/23 11:01 AM, Simon Urbanek wrote:
> AFACT he didn't say so, there was no response, just double-posting of 
> the same question after is was answered.
> 
> The installer says:
> 
> The resulting compiler will live in /opt/gfortran and can be called with
> /opt/gfortran/bin/gfortran
> 
> so it's advisable to have /opt/gfortran/bin on the PATH.
> 
> (Side note: the arm64 build of R uses the full path, but some people 
> have been objecting to that since they wanted to use other compilers for 
> the legacy Intel builds, but as I suspected that causes other issues, so 
> I'll change that for the next release).
> 
> Cheers,
> Simon
> 
> 
> 
>> On Jul 6, 2023, at 11:45 PM, Peter Dalgaard <pdalgd using gmail.com 
>> <mailto:pdalgd using gmail.com>> wrote:
>>
>> AFAICT, Spencer followed the implied instructions and it still didn't 
>> work.
>>
>> There may also be a PATH issue when upgrading to 4.3.x, /usr/local -> 
>> /opt/R/<arch> Does gfortran 12.2 install to /opt/R/.../bin ?
>>
>> -pd
>>
>>> On 6 Jul 2023, at 07:42 , Simon Urbanek <simon.urbanek using r-project.org 
>>> <mailto:simon.urbanek using r-project.org>> wrote:
>>>
>>> Already answered to you and on R-pkg-devel [9 mins after you posted 
>>> there - now more than 5h ago...]:
>>>
>>> To quote from the page you downloaded R from:
>>>
>>> This release uses Xcode 14.2/14.3 and GNU Fortran 12.2. If you wish 
>>> to compile R packages which contain Fortran code, you may need to 
>>> download the corresponding GNU Fortran compiler from 
>>> https://mac.R-project.org/tools <https://mac.R-project.org/tools> 
>>> <https://mac.r-project.org/tools <https://mac.r-project.org/tools>>.
>>>
>>>
>>>
>>>> On Jul 6, 2023, at 5:16 PM, Spencer Graves 
>>>> <spencer.graves using prodsyse.com <mailto:spencer.graves using prodsyse.com>> 
>>>> wrote:
>>>>
>>>> Hello, All:
>>>>
>>>>
>>>>  "R CMD check KFAS" under macOS 11.7.8 (the latest version that will 
>>>> run on my aging Mac) complains "gfortran: command not found".
>>>>
>>>>
>>>>  I just upgraded to R 4.3.1 and installed 
>>>> "gfortran-12.2-universal.pkg" per 
>>>> "https://cran.r-project.org/bin/macosx/tools/ 
>>>> <https://cran.r-project.org/bin/macosx/tools/>".  I expected this to 
>>>> solve the problem.  It didn't.
>>>>
>>>>
>>>>  Suggestions?
>>>>  Thanks,
>>>>  Spencer Graves
>>>>
>>>>
>>>> p.s.  This is my fork of KFAS, available at 
>>>> "https://github.com/sbgraves237/KFAS 
>>>> <https://github.com/sbgraves237/KFAS>".  "sessionInfo()" appears below.
>>>>
>>>>
>>>> ##########
>>>>
>>>>
>>>> sessionInfo()
>>>> R version 4.3.1 (2023-06-16)
>>>> Platform: x86_64-apple-darwin20 (64-bit)
>>>> Running under: macOS Big Sur 11.7.8
>>>>
>>>> Matrix products: default
>>>> BLAS: 
>>>> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vecLib.framework/Versions/A/libBLAS.dylib
>>>> LAPACK: 
>>>> /Library/Frameworks/R.framework/Versions/4.3-x86_64/Resources/lib/libRlapack.dylib;  LAPACK version 3.11.0
>>>>
>>>> locale:
>>>> [1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8
>>>>
>>>> time zone: America/Chicago
>>>> tzcode source: internal
>>>>
>>>> attached base packages:
>>>> [1] stats     graphics  grDevices utils     datasets  methods   base
>>>>
>>>> loaded via a namespace (and not attached):
>>>> [1] compiler_4.3.1  R6_2.5.1        magrittr_2.0.3  cli_3.6.1
>>>> [5] tools_4.3.1     glue_1.6.2      rstudioapi_0.14 roxygen2_7.2.3
>>>> [9] xml2_1.3.4      vctrs_0.6.2     stringi_1.7.12  knitr_1.42
>>>> [13] xfun_0.39       stringr_1.5.0   lifecycle_1.0.3 rlang_1.1.1
>>>> [17] purrr_1.0.1
>>>>>
>>>>
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>>>
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>>
>> -- 
>> Peter Dalgaard, Professor,
>> Center for Statistics, Copenhagen Business School
>> Solbjerg Plads 3, 2000 Frederiksberg, Denmark
>> Phone: (+45)38153501
>> Office: A 4.23
>> Email: pd.mes using cbs.dk <mailto:pd.mes using cbs.dk>  Priv: PDalgd using gmail.com 
>> <mailto:PDalgd using gmail.com>
>>
>