Re: [BUG] Linux 3.0 commit 3627924acf70a brokeinclude/mtd/ubi_user.h.

From: Stefan Richter
Date: Sun Aug 14 2011 - 14:10:19 EST


On Aug 14 Rob Landley wrote:
> "make headers_install" copies include/mtd/ubi_user.h to userspace, where
> things like busybox link against it. With 3.0, building defconfig
> busybox gets this error:
>
> In file included from miscutils/ubi_tools.c:63:
> /home/landley/aboriginal/aboriginal/build/simple-cross-compiler-i686/bin/../include/mtd/ubi-user.h:329:
> error: conflicting types for '__packed'
> /home/landley/aboriginal/aboriginal/build/simple-cross-compiler-i686/bin/../include/mtd/ubi-user.h:313:
> error: previous declaration of '__packed' was here
>
> This is due to the Linux 3.0 commit in the title:
>
> UBI: use __packed instead of __attribute__((packed))
>
> This relies on __packed being defined in:
>
> include/linux/compiler-gcc.h:
> #define __packed __attribute__((packed))
>
> Which is not exported to userspace.
>
> I.E. this "cleanup" broke the ability for userspace to use this header,
> even though the header is exported to userspace by headers_install.

As far as I can tell, the __packed or __attribute__((packed))
qualifications are superfluous in include/mtd/ubi-user.h anyway.
--
Stefan Richter
-=====-==-== =--- -===-
http://arcgraph.de/sr/
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