[Buildroot] [PATCH] support/dependencies: ensure we have 'file' on the host

[Baruch Siach]

Hi Yann,

On Fri, Nov 27, 2015 at 09:02:09PM +0100, Yann E. MORIN wrote:
> When 'file' is missing on the host, libtool fails miserably. Packages
> that use libtool will suddenly FTBFS, with cryptic error messages, like
> missing libraries on the linker invocation.
> 
> We could ensure that autotools based packages now all depend on
> host-file. But It itself is an autotools package, so it's again a
> chicken-n-egg issue. And even non-autotools package may use libtool.
> 
> So, just require that 'file' is present on the host.

The "Mandatory packages" section in docs/manual/prerequisite.txt should 
mention that.

baruch

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