[Buildroot] [PATCH 1/1] Prefer 'command -v' over 'which' (for portability)

[Arnout Vandecappelle <arnout@mind.be>]

On 25/01/14 15:11, Bj?rn Forsman wrote:
> 'command -v' is defined by POSIX (and is available "everywhere"),
> 'which' is not.
>
> This is improves user experience when 'which' isn't installed so that
> there won't be error messages about missing 'which'*before*  the
> Buildroot dependency check is run.
>
> Current behaviour:
>
>    $ make
>    /bin/sh: which: command not found
>    /bin/sh: which: command not found
>    /bin/sh: which: command not found
>    /bin/sh: which: command not found
>    /bin/sh: which: command not found
>    /bin/sh: which: command not found
>    /bin/sh: which: command not found
>    /bin/sh: which: command not found
>    /bin/sh: which: command not found
>    /bin/sh: which: command not found
>    /bin/sh: which: command not found
>    /bin/sh: which: command not found
>    /bin/sh: which: command not found
>    /bin/sh: which: command not found
>    /bin/sh: which: command not found
>    /bin/sh: which: command not found
>    support/dependencies/check-host-tar.sh: line 5: which: command not found
>    support/dependencies/check-host-tar.sh: line 7: which: command not found
>    /home/bfo/buildroot/support/dependencies/dependencies.sh: line 56:
>    which: command not found
>
>    You must install 'which' on your build machine
>    make: *** [core-dependencies] Error 1
>
> New behaviour:
>
>    $ make
>
>    You must install 'which' on your build machine
>    make: *** [core-dependencies] Error 1
>
> Signed-off-by: Bj?rn Forsman<bjorn.forsman@gmail.com>

  There are also instances of which in manual.mk and toolchain-external.mk.

  With those removed, I wonder if it is even necessary to have which 
installed at all? Could you test that with a largish config?

  Regards,
  Arnout

-- 
Arnout Vandecappelle                          arnout at mind be
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