Package suggested but not available for checking: 'gurobi'
Found the following significant warnings:
  rcpp_generate_model_object.cpp:211:15: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
See '/home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/raptr.Rcheck/00install.out' for details.
Package suggested but not available for checking: ‘gurobi’
Package required but not available: ‘RandomFields’

Package suggested but not available for checking: ‘gurobi’

See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’
manual.
Package required but not available: ‘RandomFields’

Package suggested but not available for checking: ‘gurobi’

See section ‘The DESCRIPTION file’ in the ‘Writing R Extensions’
manual.
Package suggested but not available for checking: 'gurobi'
installed size is  7.1Mb
  sub-directories of 1Mb or more:
    data   3.6Mb
    doc    1.4Mb
    libs   1.4Mb
Package suggested but not available for checking: ‘gurobi’
Package suggested but not available for checking: ‘gurobi’
Package suggested but not available for checking: ‘gurobi’
installed size is 16.2Mb
  sub-directories of 1Mb or more:
    data   3.6Mb
    doc    1.4Mb
    libs  10.5Mb
Namespace in Imports field not imported from: ‘rgdal’
  All declared Imports should be used.
Package suggested but not available for checking: ‘gurobi’
installed size is 15.6Mb
  sub-directories of 1Mb or more:
    data   3.6Mb
    doc    1.4Mb
    libs   9.8Mb
Namespace in Imports field not imported from: ‘rgdal’
  All declared Imports should be used.
Package suggested but not available for checking: 'gurobi'
installed size is  7.1Mb
  sub-directories of 1Mb or more:
    data   3.6Mb
    doc    1.4Mb
    libs   1.4Mb
Package suggested but not available for checking: ‘gurobi’
installed size is 17.9Mb
  sub-directories of 1Mb or more:
    data   3.6Mb
    doc    1.4Mb
    libs  12.2Mb
Namespace in Imports field not imported from: ‘rgdal’
  All declared Imports should be used.
Package suggested but not available for checking: ‘gurobi’
installed size is 15.4Mb
  sub-directories of 1Mb or more:
    data   3.6Mb
    doc    1.4Mb
    libs   9.7Mb
Namespace in Imports field not imported from: ‘rgdal’
  All declared Imports should be used.
Package suggested but not available for checking: 'gurobi'
installed size is  8.5Mb
  sub-directories of 1Mb or more:
    data   3.6Mb
    doc    1.4Mb
    libs   2.8Mb