Thanks, in this case the correct fix would be to install xcb-proto.pc
into $libdir, as it is indeed library specific. You need to patch
Makefile.am in xcb-proto's source tree, and offer the patch to
upstream.
Alex
On Tue, 14 Mar 2023 at 01:49, wan...@fujitsu.com <wan...@fujitsu.com> wrote:
>
> libxcb needs to find the python package in the path specified by pythondir
> recorded in xcb-proto.pc. If the libdir line is deleted, libxcb will report
> an error when compiling:
> | Failed to load the xcbgen Python package!
> | Make sure that xcb/proto installed it on your Python path.
> | If not, you will need to create a .pth file or define $PYTHONPATH
> | to extend the path.
> | Refer to the README file in xcb/proto for more info.
>
> The file contents after deleting libdir are compared as follows:
> @@ -2,10 +2,8 @@
> exec_prefix=/usr
> datarootdir=${prefix}/share
> datadir=/usr/share
> -libdir=/usr/lib
> xcbincludedir=${pc_sysrootdir}${datadir}/xcb
> PYTHON_PREFIX=${prefix}
> -pythondir=${pc_sysrootdir}${libdir}/python3.11/site-packages
>
> Name: XCB Proto
> Description: X protocol descriptions for XCB
>
> --
> Best Regards
> ---------------------------------------------------
> Wang Mingyu
> Development Dept.I
> Nanjing Fujitsu Nanda Software Tech. Co., Ltd.(FNST) No. 6 Wenzhu Road,
> Nanjing, 210012, China
> TEL: +86+25-86630566-8568
> COINS: 79988548
> FAX: +86+25-83317685
> MAIL: wan...@fujitsu.com
> http://www.fujitsu.com/cn/fnst/
>
> > -----Original Message-----
> > From: Alexander Kanavin <alex.kana...@gmail.com>
> > Sent: Monday, March 13, 2023 3:50 PM
> > To: Wang, Mingyu/王 鸣瑜 <wan...@fujitsu.com>
> > Cc: Richard Purdie <richard.pur...@linuxfoundation.org>;
> > openembedded-core@lists.openembedded.org
> > Subject: Re: [OE-core] [PATCH V2 4/5] xcb-proto: Fix install conflict when
> > enable
> > multilib.
> >
> > On Mon, 13 Mar 2023 at 08:29, wangmy <wan...@fujitsu.com> wrote:
> > > When libxcb is compiled, it will read libdir from xcb-proto.pc to find
> > > the library.
> > > If delete this line, libxcb will report an error because it cannot find
> > > the
> > directory of the library.
> >
> > Which library in particular? Can you show the error, and the point in
> > libxcb's
> > code where it happens?
> > xcb-proto does not install any libraries, and so there is no reason for
> > xcb-proto.pc to tell where the libraries are.
> >
> > Alex
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