Thanks.  Although I have had Xtools for quite a while, it had not been 
activated.  Installing a new copy made all the difference

Bill


> On Sep 25, 2023, at 12:24 PM, Gábor Csárdi <csardi.ga...@gmail.com> wrote:
> 
> Seems like you are on macOS. You need to install XCode or the Command
> Line Tools to be able to compile packages with C/C++/Fortran code.
> 
> Gabor
> 
> On Mon, Sep 25, 2023 at 7:02 PM William Revelle <li...@revelle.net> wrote:
>> 
>> Dear friends,
>> I am trying to release a new update to psych and psychTools and am having 
>> problems with revdep_check
>> 
>> The error message from revdep_check is less than helpful:’
>> 
>> fn is
>> 
>> fn  <-  "/Users/WR/Library/CloudStorage/Dropbox/psychTools/"
>> 
>> revdep_check(fn,num_workers=8)
>> ── CHECK 
>> ──────────────────────────────────────────────────────────────────────────────
>>  15 packages ──
>> [0/15] 00:00:15 | ETA:  ?s | (8) afex [I], bootnet [I], modnets [I], psych 
>> [I], alphaci [D], C...Error: Could not find tools necessary to compile a 
>> package
>> Call `pkgbuild::check_build_tools(debug = TRUE)` to diagnose the problem.
>>> check_build_tools(debug=TRUE)
>> Trying to compile a simple C file
>> Error: Could not find tools necessary to compile a package
>> Call `pkgbuild::check_build_tools(debug = TRUE)` to diagnose the problem.
>> rror: Could not find tools necessary to compile a package
>> 
>> Any suggestions would be appreciated.
>> 
>> William Revelle                    personality-project.org/revelle.html
>> Professor                                          personality-project.org
>> Department of Psychology         www.wcas.northwestern.edu/psych/
>> Northwestern University            www.northwestern.edu/
>> Use R for psychology                 personality-project.org/r
>> It is 90 seconds to midnight       www.thebulletin.org
>> 
>> 
>>        [[alternative HTML version deleted]]
>> 
>> ______________________________________________
>> R-package-devel@r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-package-devel

William Revelle            personality-project.org/revelle.html
Professor                    personality-project.org
Department of Psychology         www.wcas.northwestern.edu/psych/
Northwestern University            www.northwestern.edu/
Use R for psychology                 personality-project.org/r
It is 90 seconds to midnight    www.thebulletin.org

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