Bug#688182: linphone: kFreeBSD support

[Steven Chamberlain]

Hi,

Jonas Smedegaard wrote:
> It seems upstream now probes for and gracefully handles lack of V4L
> support, but the packaging forcefully avoids any video capabilities on
> non-Linux targets.
> 
> Please try simply drop that discrimination in debian/rules and see if
> package still succeeds building on non-Linux targets.

I've tested that on kfreebsd with some interesting results:

Without V4L, it will still FTBFS:

| checking for LIBV4L2... no
| No libv4l2 found.
| checking for LIBV4L1... no
| No libv4l1 found.
| configure: error: 
| Missing libv4l2. It is highly recommended to build with
| libv4l2 headers and library. Many camera will won't work or will crash
| your application if libv4l2 is not installed.
| If you know what you are doing, you can use --disable-libv4l2 to disable
| this check.
|                 
| configure: error: ./configure failed for mediastreamer2

but on kfreebsd if you add libv4l-dev to Built-Depends, it will detect,
enable and build OK with it now.  (Haven't tested it at runtime).

There is also a proper detection for ALSA now.  Without libasound
headers, it will not be enabled.

However, *with* liboss4-salsa-dev it FTBFS on kfreebsd due to some
Linuxisms in that code.  But there's no point trying to fix that as
it is just a wrapper around OSS, and linphone should just use that
directly on kfreebsd (assuming it can?  as I said I didn't test).

Somehow I ran into bug #782366 trying to build this on kfreebsd:

--- /usr/lib/pkgconfig/cunit.pc.orig    2013-01-27 13:48:23.000000000 +0000
+++ /usr/lib/pkgconfig/cunit.pc 2015-05-29 23:49:28.841017548 +0100
@@ -1,6 +1,6 @@
 prefix=/usr
 exec_prefix=${prefix}
-libdir={exec_prefix}/lib
+libdir=${exec_prefix}/lib
 includedir=${prefix}/include/CUnit
 
 Name: CUnit

Please find attached a patch that would allow linphone to build with
V4L on kfreebsd.  It still can't build yet on hurd without other porting
work.

Thanks,
Regards,
-- 
Steven Chamberlain
steven at pyro.eu.org
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