Date: Fri, 19 Jun 2020 10:52:27 +0200 From: =?UTF-8?B?VMSzbA==?= Coosemans <tijl@FreeBSD.org> To: "Mikhail T." <mi+t@aldan.algebra.com> Cc: freebsd-emulation@FreeBSD.org, clement@FreeBSD.org Subject: Re: How to properly install a Linux desktop app? Message-ID: <20200619105227.6d294efd@FreeBSD.org> In-Reply-To: <c3eaed2d-5654-5656-ef87-89c1e8cbdcc8@aldan.algebra.com> References: <c3eaed2d-5654-5656-ef87-89c1e8cbdcc8@aldan.algebra.com>
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On Fri, 19 Jun 2020 00:00:43 -0400 "Mikhail T." <mi+t@aldan.algebra.com>
wrote:
> Hello!
>
> I'm preparing a port of a Linux application (Zoom conferencing client).
>
> The vendor (zoom.us) offers RPMs for both x86_64 and i686, which makes
> it tempting to just USE_LINUX_RPM. However, that knob unconditionally
> turns on the USE_LINUX_PREFIX, which bsd.port.mk says /not/ to use "for
> leaf ports (e.g. a game or program)".
>
> Not using the USE_LINUX_PREFIX, poses another challenge. Zoom comes with
> quite a few Linux libraries of its own, which are all dumped into a
> non-standard location. My port is installing a
> /compat/linux/etc/ld.so.conf.d/zoom.conf listing that location, but that
> will be ignored unless ldconfig -- a Linux one -- is invoked, wouldn't
> it be?
>
> Finally, if I do rely USE_LINUX_PREFIX and the bulk of the port gets
> installed under /compat/linux/opt/zoom, there is a problem with the
> DESKTOP_ENTRIES -- because they would be under /compat/linux too,
> instead of under ${LOCALBASE}.
>
> usr/share/applications/Zoom.desktop
> usr/share/mime/packages/zoom.xml
> usr/share/pixmaps/Zoom.png
> usr/share/pixmaps/application-x-zoom.png
>
> (I think, the current setting of DESKTOPDIR based on PREFIX is incorrect
> -- it should be under LOCALBASE instead. But that's a separate story.)
>
> What are my options with this new port?
>
> 1. Follow the examples of existing ports (like citrix_ica):
> 1. Do not use the USE_LINUX_RPM.
> 2. Do not bother with Linux' ldconfig.
> 3. Instead of ${LINUXBASE}/etc/ld.so.conf.d/zoom.conf, create the
> ${PREFIX}/bin/zoom script with LD_LIBRARY_PATH setting. (This
> will keep the libraries bundled with Zoom unavailable to other
> Linux programs.)
> 2. An alternative method:
> 1. Do declare the USE_LINUX_RPM (and set the SRC_DISTFILES to empty).
> 2. Install the ${LINUXBASE}/etc/ld.so.conf.d/zoom.conf and declare
> the USE_LDCONFIG. (This will make the Zoom-libraries available
> to other Linux apps.)
> 3. Explicitly set DESKTOPDIR based on LOCALBASE.
>
> Opinions? Thank you! Yours,
You should not use USE_LINUX_RPM. It's meant for infrastructure ports.
You can look at astro/google-earth as an example. It also installs an
rpm with an /opt directory.
Basically the /opt directory goes to ${STAGEDIR}${LINUXBASE} and
everything else goes to ${STAGEDIR}${PREFIX}. You should not need an ld
conf file or ldconfig or LD_LIBRARY_PATH. The google-earth rpm installs
a symlink from /usr/bin to a script in /opt I believe. The port
replaces that with a little script in ${PREFIX}/bin that executes the
script in /opt with ${LINUXBASE}/bin/sh. If Zoom installs a symlink in
/usr/bin you can do something similar. If it installs a real script
in /usr/bin you can probably install that in ${PREFIX}/bin if you replace
the shebang at the top with ${LINUXBASE}/bin/sh (using REINPLACE_CMD).
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