def _set_general_compilers(self):
        """Adds compiler channels to the :attr:`processes` attribute.

        This method will iterate over the pipeline's processes and check
        if any process is feeding channels to a compiler process. If so, that
        compiler process is added to the pipeline and those channels are
        linked to the compiler via some operator.
        """

        for c, c_info in self.compilers.items():

            # Instantiate compiler class object and set empty channel list
            compiler_cls = c_info["cls"](template=c_info["template"])
            c_info["channels"] = []

            for p in self.processes:
                if not any([isinstance(p, x) for x in self.skip_class]):
                    # Check if process has channels to feed to a compiler
                    if c in p.compiler:
                        # Correct channel names according to the pid of the
                        # process
                        channels = ["{}_{}".format(i, p.pid) for i in
                                    p.compiler[c]]
                        c_info["channels"].extend(channels)

            # If one ore more channels were detected, establish connections
            # and append compiler to the process list.
            if c_info["channels"]:
                compiler_cls.set_compiler_channels(c_info["channels"],
                                                   operator="join")
                self.processes.append(compiler_cls)
Adds compiler channels to the :attr:`processes` attribute.

        This method will iterate over the pipeline's processes and check
        if any process is feeding channels to a compiler process. If so, that
        compiler process is added to the pipeline and those channels are
        linked to the compiler via some operator.