code: def get_libraries():
      '''return a list of libraries to link against.'''
      # Note that this list does not include libcsamtools.so as there are
      # numerous name conflicts with libchtslib.so.
      dirname = os.path.abspath(os.path.join(os.path.dirname(__file__)))
      pysam_libs = ['libctabixproxies',
                    'libcfaidx',
                    'libcsamfile',
                    'libcvcf',
                    'libcbcf',
                    'libctabix']
      if pysam.config.HTSLIB == "builtin":
          pysam_libs.append('libchtslib')
  
      so = sysconfig.get_config_var('SO')
      return [os.path.join(dirname, x + so) for x in pysam_libsf get_libraries():
      '''return a list of libraries to link against.'''
      # Note that this list does not include libcsamtools.so as there are
      # numerous name conflicts with libchtslib.so.
      dirname = os.path.abspath(os.path.join(os.path.dirname(__file__)))
      pysam_libs = ['libctabixproxies',
                    'libcfaidx',
                    'libcsamfile',
                    'libcvcf',
                    'libcbcf',
                    'libctabix']
      if pysam.config.HTSLIB == "builtin":
          pysam_libs.append('libchtslib')
  
      so = sysconfig.get_config_var('SO')
      return [os.path.join(dirname, x + so) for x in pysam_libs]
docs: return a list of libraries to link against.