RE: [PATCH] kbuild: use more portable 'command -v' for cc-cross-prefix
From: David Laight
Date: Mon Jun 03 2019 - 07:20:40 EST
From: Masahiro Yamada
> Sent: 03 June 2019 11:49
> To print the pathname that will be used by shell in the current
> environment, 'command -v' is a standardized way. 
> 'which' is also often used in scripting, but it is not portable.
All uses of 'which' should be expunged.
It is a bourne shell script that is trying to emulate a csh builtin.
It is doomed to fail in corner cases.
ISTR it has serious problems with shell functions and aliases.
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