From: David Vrabel <david.vrabel@citrix.com>
To: Arnd Bergmann <arnd@arndb.de>, Nicholas Piggin <npiggin@gmail.com>
Cc: linux-arch@vger.kernel.org,
Stephen Rothwell <sfr@canb.auug.org.au>,
Juergen Gross <jgross@suse.com>,
Segher Boessenkool <segher@kernel.crashing.org>,
Nicolas Pitre <nico@linaro.org>,
linux-kbuild@vger.kernel.org, Alan Modra <amodra@gmail.com>,
Michal Marek <mmarek@suse.com>,
David Vrabel <david.vrabel@citrix.com>,
xen-devel@lists.xenproject.org,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
Sam Ravnborg <sam@ravnborg.org>
Subject: Re: [Xen-devel] [PATCH] Xen: remove -fshort-wchar gcc flag
Date: Wed, 24 Aug 2016 18:18:34 +0100 [thread overview]
Message-ID: <57BDD6EA.70204@citrix.com> (raw)
In-Reply-To: <16541778.WMH6K24aDt@wuerfel>
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@arndb.de>
> Fixes: 971a69db7dc0 ("Xen: don't warn about 2-byte wchar_t in efi")
Acked-by: David Vrabel <david.vrabel@citrix.com>
David
next prev parent reply other threads:[~2016-08-24 17:19 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-11 10:16 [PATCH 0/6 v2] kbuild changes, thin archives, --gc-sections Nicholas Piggin
2016-08-11 10:16 ` [PATCH 1/6] kbuild: allow architectures to use thin archives instead of ld -r Nicholas Piggin
2016-08-11 10:16 ` [PATCH 2/6] kbuild: allow archs to select link dead code/data elimination Nicholas Piggin
2016-08-11 10:16 ` [PATCH 3/6] kbuild: add arch specific post-link pass Nicholas Piggin
2016-08-16 9:23 ` Michal Marek
2016-08-17 4:43 ` Nicholas Piggin
2016-08-17 9:05 ` Michal Marek
2016-08-17 9:56 ` Sam Ravnborg
2016-08-18 0:17 ` Nicholas Piggin
2016-08-11 10:16 ` [PATCH 4/6] powerpc: switch to using thin archives Nicholas Piggin
2016-08-11 10:16 ` [PATCH 5/6] powerpc/64: use linker dead code elimination Nicholas Piggin
2016-08-11 10:16 ` [PATCH 6/6] powerpc: use the new post-link pass to check relocations Nicholas Piggin
2016-08-11 12:31 ` [PATCH 0/6 v2] kbuild changes, thin archives, --gc-sections Stephen Rothwell
2016-08-11 12:39 ` [PATCH] Xen: remove -fshort-wchar gcc flag Arnd Bergmann
2016-08-11 12:51 ` [Xen-devel] " Jan Beulich
2016-08-11 14:01 ` Arnd Bergmann
2016-08-11 14:06 ` Jan Beulich
2016-08-24 17:18 ` David Vrabel [this message]
2016-08-11 13:55 ` [EXPERIMENTAL] enable thin archives and --gc-sections on ARM Arnd Bergmann
2016-08-11 20:01 ` Nicolas Pitre
2016-08-11 20:37 ` Arnd Bergmann
2016-08-11 21:05 ` Nicolas Pitre
2016-08-23 6:17 ` [PATCH 0/6 v2] kbuild changes, thin archives, --gc-sections Nicholas Piggin
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