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




Am 9. September 2020 17:47:59 MESZ schrieb Pavel Hrdina <phrdina redhat com>:
>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 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.
>
>What is you use-case or what are you trying to achieve?

https://www.gnu.org/prep/standards/html_node/DESTDIR.html

It's exactly for what I'm using it: installing the package into a rootfs dir that is alien to the builder. It will become the rootfs on the target only.

Jan

PS: Is it normal with meson that one has to implement such basic stuff at project level?

-- 
Sent from an Android - sorry, just in case...



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