anchor.diff:      "selectspm" # depends on broken ecespa
       "semiArtificial" # requires RSNNS
       "SeqFeatR" # requires Biostrings, qvalue, and widgetTools
  +    "SeqGrapheR" # depends on Biostrings
       "sequenza" # requires copynumber
       "SGCS" # requires spatstat
       "siar" # requires spatstat
  
positive.code:     "pbdDEMO" # requires pbdMPI
      "pbdDMAT" # requires pbdMPI
      "pbdSLAP" # requires pbdMPI
      "pcaL1" # requires clp
      "pcalg" # requires graph, and RBGL
      "PCGSE" # requires safe
  
negative.code:     "qtlnet" # requires pcalg
      "qtpaint" # can't find QtCore libraries
      "QuACN" # requires graph, RBGL
      "quanteda" # fails to build
      "QuasiSeq" # requires edgeR
      "RADami" # requires Biostrings
      "raincpc" # SDMTools.so: undefined symbol: X
      "rainfreq" # SDMTools.so: undefined symbol: X
      "RAM" # requires Heatplus
      "RapidPolygonLookup" # depends on broken PBSmapping
      "RAPIDR" # requires Biostrings, Rsamtools, and GenomicRanges
      "RbioRXN" # requires fmcsR, and KEGGREST
      "RcmdrPlugin_seeg" # requires seeg
      "Rcplex" # requires cplexAPI
      "RcppAPT" # configure script depends on /bin/sh
      "RcppRedis" # requires Hiredis
      "rDEA" # no such file or directory
      "RDieHarder" # requires libdieharder
  