code: def _add_explicit_includes(lines, dependencies=None, extralinks=None):
      
      from fortpy import config
      import sys
      from os import path
      includes = sys.modules["config"].includes
      linklibs = False
  
      if extralinks is not None and len(extralinks) > 0:
          for i, link in enumerate(extralinks):
              lines.append("LBD{0:d} 		= {1}".format(i, link))
          lines.append("")
      
      if len(includes) > 0:
          lines.append("LIBS\t\t= \\")
          for library in includes:
              addlib = False
              if "modules" in library:
                  #We need to loop over the modules specified for the library and see
                  #if any of them are in our list of modules.
                  for libmod in library["modules"]:
                      if dependencies is None or libmod.lower() in dependencies:
                          addlib = True
                          break
              else:
                  addlib = True
  
              if addlib:
                  linklibs = True
                  lines.append("\t\t{} \\".format(library["path"]))
  
          #These links specify explicit libraries to include in the final compilation.
          if extralinks is not None:
              for i in range(len(extralinks)):
                  if path.isfile(extralinks[i]):
                      lines.append("\t\t$(LBD{0:d}) \\".format(i))
              
      return linklibs or (extralinks is not None and len(extralinks) > 0)
docs: Adds any relevant libraries that need to be explicitly included according
      to the fortpy configuration file. Libraries are appended to the specified
      collection of lines. Returns true if relevant libraries were added.