[Slackbuilds-users] libffado on current UNSUPPORTED SBo git repository

[Klaatu]

On Tuesday, April 21, 2020 09:26:41 AM Kevin McCormick wrote:
> I am trying to rebuild ffmpeg 4.2.2 with new dependencies.  Honestly, I
> really don't know much about ffmpeg except that it probably should have
> x264, aac, and other common libraries.  So, I try to enable everything,
> based on the --current ffmpeg-4.2.2 slackbuild, with source from --current.
> 
> Using a sbopkg file,   libffado seems to fail.  Also, I thought it was a
> dependency for jack, but it looks for jack at the beginning.
> 
> libffado-2.4.1
>   MD5SUM check for libffado-2.4.1.tgz ... OK
>   Error occurred with build.  Please check the log.
> 
> * Usage of additional flags is not supported by the ffado-devs.
>  * Use at own risk!
>  *
>  * Flags in use:
>  *   CC = gcc
>  *   CXX = g++
>  *   CFLAGS = -O2 -fPIC
>  *   CXXFLAGS = -O2 -fPIC -std=gnu++11 -Wno-deprecated-declarations
>  *   LDFLAGS =
> 
> Checking for a working C-compiler yes
> Checking for a working C++-compiler yes
> Checking for pkg-config (at least version 0.0.0)... yes
> Checking for libxml++-3.0... no
> Checking for jack... no
> Checking jackd version...not installed
> 
> No Jack Audio Connection Kit (JACK) installed: assuming a FFADO
> setbuffersize-compatible version will be used.
> 
> Checking for libraw1394 (2.0.5 or higher)...    yes
> Checking for libiec61883 (1.1.0 or higher)...   yes
> Checking for libconfig++ (0 or higher)...       yes
> Checking for libxml++-2.6 (2.13.0 or higher)...         yes
> Checking for libxml++-2.6 >= 2.39.1... yes
> Checking for libxml++-3.0 >= 3.0.0... no
> Checking for lrint(3.2) in C library m... yes
> Checking for lrintf(3.2) in C library m... yes
> Checking whether 'which pyuic4' executes yes
> Checking for the python module 'PyQt4' yes
> Checking for the python module 'dbus.mainloop.qt' yes
> Checking whether 'xdg-desktop-menu --help' executes yes
> Checking whether 'xdg-icon-resource --help' executes yes
> Checking for alsa (0 or higher)...      yes
> Checking for dbus-1 (1.0 or higher)...  yes
> Checking for dbus-c++-1 (0 or higher)...        yes
> Checking whether 'which dbusxx-xml2cpp' executes yes
> Checking for variable session_bus_services_dir in package dbus-1...     yes
> Trying to find the system triple: (cached) yes
> TypeError: must be str or None, not bytes:
>   File "/tmp/SBo/libffado-2.4.1/SConstruct", line 822:
>     m32 = is_userspace_32bit(cpuinfo)
>   File "/tmp/SBo/libffado-2.4.1/SConstruct", line 722:
>     for line in x.split(b'\n'):
> 
> libffado:
> Would you like to continue processing the rest of the
> queue or would you like to abort?  If this failed
> package is a dependency of another package in the queue
> then it may not make sense to continue.
> 
> (Y)es to continue, (N)o to abort, (R)etry the build?: N
> 
> +++++++++++++++++++++++++++++++++++++++++++
> SUMMARY LOG
> Using the UNSUPPORTED SBo git repository for -current
> Queue Process:  Download, build, and install
> 
> Thanks,
> Kevin

Kevin, do you require IEEE1394 (Firewire) drivers in FFmpeg? That's what 
libffado provides. Maybe you're actually using Firewire devices and have a need 
for this, but if not, then it's probably safe to just disable libffado in your 
build configurations. 

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