line endings in C/C++/Fortran sources/headers

GNU make is a SystemRequirements.
GNU make is a SystemRequirements.
installed size is 96.9Mb
  sub-directories of 1Mb or more:
    libs  95.5Mb
Namespace in Imports field not imported from: ‘loo’
  All declared Imports should be used.
Undeclared packages ‘gridExtra’, ‘rstanarm’ in Rd xrefs
GNU make is a SystemRequirements.
Namespace in Imports field not imported from: ‘loo’
  All declared Imports should be used.
GNU make is a SystemRequirements.
Installation failed.
See 'd:/Rcompile/CRANpkg/local/4.2/rstap.Rcheck/00install.out' for details.
Namespace in Imports field not imported from: 'loo'
  All declared Imports should be used.
Found the following sources/headers with CR or CRLF line endings:
  src/stan_files/stap_bernoulli.hpp
  src/stan_files/stap_binomial.hpp
  src/stan_files/stap_continuous.hpp
  src/stan_files/stap_count.hpp
Some Unix compilers require LF line endings.
GNU make is a SystemRequirements.
GNU make is a SystemRequirements.
installed size is  7.2Mb
  sub-directories of 1Mb or more:
    libs   5.5Mb
Namespace in Imports field not imported from: ‘loo’
  All declared Imports should be used.
GNU make is a SystemRequirements.
GNU make is a SystemRequirements.
installed size is 115.1Mb
  sub-directories of 1Mb or more:
    libs  113.7Mb
Namespace in Imports field not imported from: ‘loo’
  All declared Imports should be used.
GNU make is a SystemRequirements.
installed size is 89.3Mb
  sub-directories of 1Mb or more:
    libs  88.0Mb
Namespace in Imports field not imported from: ‘loo’
  All declared Imports should be used.
GNU make is a SystemRequirements.
Installation failed.
See 'd:/Rcompile/CRANpkg/local/4.1/rstap.Rcheck/00install.out' for details.
installed size is 90.2Mb
  sub-directories of 1Mb or more:
    libs  88.9Mb
Namespace in Imports field not imported from: ‘loo’
  All declared Imports should be used.
GNU make is a SystemRequirements.
Installation failed.
See 'd:/Rcompile/CRANpkg/local/4.0/rstap.Rcheck/00install.out' for details.