Re: [FFADO-user] [I'm a user and need support] QJACKCTL not showing interface options

[Jonathan W. <jw...@ju...>]

On Tue, Mar 28, 2017 at 01:04:29PM +0000, Marc Cayouette wrote:
> Also - how do I create those libraies in the PKG_CONFIG_PATH ?  Obviously
> I am not an experienced Linux user.

For running FFADO these are not needed.  They are only required for
compiling FFADO which you should not need to do.

Most libraries used by the system are split across two packages.  The first
is a package which contains all the files needed to run programs which use
the library.  It typically contains the lib*.so shared libraries and any
other files which are needed at runtime (configuration, data files, and so
on).  The second is a so-called developers' package, containing all the
extra files required if compiling programs to use the library.  In the case
of libraries with C/C++ APIs, this will include header files (*.h) and data
files for pkg-config.  Pkg-config is a program which can be used to
determine the correct compiler options needed when using libraries. 
Developer packages are usually have the same name as their corresponding
runtime package, with "-dev" or "-devel" appended to the end.

What all this means is that at least for now you don't need to worry about
the PKG_CONFIG_PATH messages from ffado-diag.

Regards
  jonathan