[PATCH] meson: src: Fix DESTDIR handling while creating dirs

Michal Privoznik mprivozn at redhat.com
Wed Sep 9 16:06:19 UTC 2020

On 9/9/20 5:47 PM, Pavel Hrdina wrote:
> On Wed, Sep 09, 2020 at 05:06:19PM +0200, Jan Kiszka wrote:
>> On 09.09.20 16:38, Erik Skultety wrote:
>>> On Mon, Sep 07, 2020 at 11:25:34PM +0200, Jan Kiszka wrote:
>>>> From: Jan Kiszka <jan.kiszka at siemens.com>
>>>> If the target path contains a link with an absolute path (e.g.
>>>> /var/run -> /run), makedirs will target the wrong location. Resolve the
>>>> path first, then append DESTDIR again if needed.
>>> Can you elaborate on this? os.makedirs should follow the symlinks before
>>> actually creating the directory hierarchy, so I'm failing to see the problem
>>> this patch is trying to address.
>> mkdir -p /my/destdir/var /my/destdir/run
>> ln -s /run /my/destdir/var/run
>> meson build --prefix=/usr
>> DESTDIR=/my/destdir ninja -C build install
>> -> PermissionError: [Errno 13] Permission denied:
>> '/my/destdir/var/run/libvirt'
> I would say don't do that as that's not purpose of DESTDIR and running
> libvirt from the DESTDIR installation will not work as it will not find
> all the required files.

This is exactly what gentoo portage does, btw. And I bet some other 
package tools too.


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