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Re: [Qemu-devel] [PATCH buildfix] configure: Assure existence of linux-h

From: Peter Maydell
Subject: Re: [Qemu-devel] [PATCH buildfix] configure: Assure existence of linux-headers/ build directory
Date: Wed, 20 Jun 2012 11:42:07 +0100

On 19 June 2012 16:24, Andreas Färber <address@hidden> wrote:
> Am 19.06.2012 17:18, schrieb Peter Maydell:
>> On 14 June 2012 16:14, Andreas Färber <address@hidden> wrote:
>>> Commit ec5b06d (configure: ensure directory exists when creating symlinks)
>>> moved the creation of directories into the symlink() function but forgot
>>> the case where no symlink is created.
>>> This leads to build errors on arm Linux due to -I../linux-headers.
>>> Unbreak the build on arm Linux by reverting part of that commit.
>> I think it would be better to just revert ec5b06d completely.
>> The comment documenting the symlink() function says
>> "# symbolically link $1 to $2.  Portable version of "ln -sf"
>> and "ln -sf" doesn't create the target directory, so symlink()
>> should not either.
> I don't mind either way as long as the build gets fixed. Anthony?

It turns out that there are later changes to configure which rely on
the auto-creation of the directory, so simple reversion isn't sufficient.
Maybe your patch is the simplest fix after all.

-- PMM

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