anchor.diff:  #
   #  libiberty = callPackage ../development/libraries/libiberty { };
   #
  -#  libibverbs = callPackage ../development/libraries/libibverbs { };
  +  libibverbs = callPackage ../development/libraries/libibverbs { };
   #
   #  libxcomp = callPackage ../development/libraries/libxcomp { };
   #
   #  libx86emu = callPackage ../development/libraries/libx86emu { };
   #
  -#  librdmacm = callPackage ../development/libraries/librdmacm { };
  +  librdmacm = callPackage ../development/libraries/librdmacm { };
   #
   #  libwebsockets = callPackage ../development/libraries/libwebsockets { };
   #
  
positive.code: #
    aalib = callPackage ../development/libraries/aalib { };
  #
  #  accelio = callPackage ../development/libraries/accelio { };
  #
  #  activemq = callPackage ../development/libraries/apache-activemq { };
  #
  
negative.code: #
  #  rlog = callPackage ../development/libraries/rlog { };
  #
    rocksdb = callPackage ../development/libraries/rocksdb { };
  #
  #  rote = callPackage ../development/libraries/rote { };
  #
  