[R-SIG-Mac] svn update > "xcrun: error: invalid active developer path" after uipgrade to 10.11 El Capitan

[Spencer Graves]

On 10/16/2015 3:15 AM, Prof Brian Ripley wrote:
> On 16/10/2015 09:06, Spencer Graves wrote:
>> Hello:
>>
>>
>>        I'm having a problem with "svn update" (with R-Forge) that may be
>> due to a recent upgrade to OS X 10.11 El Capitan.  I'm getting the
>> following:
>>
>>
>> $ svn update
>> xcrun: error: invalid active developer path
>> (/Library/Developer/CommandLineTools), missing xcrun at:
>> /Library/Developer/CommandLineTools/usr/bin/xcrun
>>
>>
>>        Google sent me to
>> "http://stackoverflow.com/questions/28706428/invalid-active-developer-path-on-mac-os-x-after-installing-ruby" 
>>
>> and "https://github.com/Homebrew/homebrew/issues/23500" for ruby and
>> git.  Stackoverflow seems to suggest that "sudo xcode-select --install"
>> may fix the problem.  However, I know so little about this, I felt a
>> need to ask here.
>>
>>
>>        What do you think?
>
> I think you should read the R manual,
>
> https://cran.r-project.org/doc/manuals/r-patched/R-admin.html#OS-X
>
> which tells you
>
> 1) To reinstall the CLT after an OS update.
>
> 2) To use xcode-select --install to do so.  (sudo may or may not be 
> needed.)
>
> And after all these years, please do read and follow the posting 
> guide: it is expected that you check in the manuals before posting.
>

Thanks very much for the reply -- and for all the work you've invested 
in producing the fine manual.  You're correct, of course, that I should 
have checked that manual.


       Thanks again,
       Spencer Graves