Re: [Qemu-devel] Stop using "which" in ./configure

[Stefan Weil <weil@mail.berlios.de>]

Loïc Minier schrieb:
> On Tue, Jan 19, 2010, Loïc Minier wrote:
>   
>>  Following the thread on the sdl-config patch, please find attached a
>>  patch to add a couple of portable shell functions which allow testing
>>  whehter a command/builtin is available and to find the full pathname of
>>  an executable in the PATH.  This also replaces all uses of "which" in
>>  ./configure.  (This should be applied on top of the sdl-config patch.)
>>     
>
>  Please find attached a new version of the patch with a simpler version
>  of path_of() which uses IFS instead of the ${foo#bar} and ${foo%%bar}
>  constructs.  It also removes the special casing of an empty PATH.

I did not test the whole patch, but I think this would be better:

+    type "$local_command" >/dev/null 2>&1

(type sends error messages to stderr, we don't want to see them)