[sr #110971] busybox mkdir is misdetected

URL:
  <https://savannah.gnu.org/support/?110971>

                 Summary: busybox mkdir is misdetected
                   Group: Autoconf
               Submitter: uwe
               Submitted: Wed 06 Dec 2023 11:01:58 AM UTC
                Category: None
                Priority: 5 - Normal
                Severity: 3 - Normal
                  Status: None
                 Privacy: Public
             Assigned to: None
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
        Operating System: None


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Follow-up Comments:


-------------------------------------------------------
Date: Wed 06 Dec 2023 11:01:58 AM UTC By: Valery Ushakov <uwe>
AC_PROG_MKDIR_P checks the output of mkdir --version with

  case `"$as_dir$ac_prog$ac_exec_ext" --version 2>&1` in 
    ...

and checks for busybox with the pattern

  'BusyBox '*

However that pattern fails because in

  uwe@Alpine:~$ busybox mkdir --version 2>&1
  mkdir: unrecognized option: version
  BusyBox v1.36.1 (2023-11-07 18:53:09 UTC) multi-call binary.

  Usage: mkdir [-m MODE] [-p] DIRECTORY...
  ...

the error message about unrecognized option gets in the way.


Either stderr should be redirected away to /dev/null or the pattern changed by
prepending a * before BusyBox.







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