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Re: [Qemu-devel] [PATCH] configure: do not quote $PKG_CONFIG

From: Eric Blake
Subject: Re: [Qemu-devel] [PATCH] configure: do not quote $PKG_CONFIG
Date: Mon, 16 Jul 2012 09:39:36 -0600
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:13.0) Gecko/20120615 Thunderbird/13.0.1

On 07/15/2012 01:54 PM, Stefan Weil wrote:
> Am 15.07.2012 22:26, schrieb Mike Frysinger:
>> We should not quote the PKG_CONFIG setting as this deviates from the
>> canonical upstream behavior that gets integrated with all other build
>> systems, and deviates from how we treat all other toolchain variables
>> that we get from the environment.
>> Ultimately, the point is that it breaks passing custom flags directly
>> to pkg-config via the env var where this normally works elsewhere,
>> and it used to work in the past.
> What about passing custom flags with QEMU_PKG_CONFIG_FLAGS?
> Removing the quotes will not allow paths containing spaces,
> so that's not a good idea.

Actually, it IS a good idea.  The de facto standard build environment
requires that pkg-config is not allowed to live in a path containing
spaces, precisely so that you can override the variable to pass options
to your preferred location of pkg-config; and if your build setup is
truly so messed up as to have pkg-config installed in a canonical
location with spaces, then you can also tweak your unusual environment
to provide a symlink to pkg-config that does not contain spaces as the

Eric Blake   address@hidden    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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