Re: [Xen-devel] [PATCH] Xen: remove -fshort-wchar gcc flag

[David Vrabel <david.vrabel@xxxxxxxxxx>]

On 11/08/16 13:39, Arnd Bergmann wrote:
> A previous patch added the --no-wchar-size-warning to the Makefile to
> avoid this harmless warning:
> 
> arm-linux-gnueabi-ld: warning: drivers/xen/efi.o uses 2-byte wchar_t yet the 
> output is to use 4-byte wchar_t; use of wchar_t values across objects may fail
> 
> Changing kbuild to use thin archives instead of recursive linking
> unfortunately brings the same warning back during the final link.
> 
> This time, we remove the -fshort-wchar flag that originally caused
> the warning, hopefully fixing the problem for good. I don't see
> any reason for having the flag in the first place, as the Xen code
> does not use wchar_t at all.
> 
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> Fixes: 971a69db7dc0 ("Xen: don't warn about 2-byte wchar_t in efi")

Acked-by: David Vrabel <david.vrabel@xxxxxxxxxx>

David

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