configure

#!/usr/bin/env sh

cat <<EOF > test-f03.f90
module mod_test
  implicit none

  type t_test
    integer :: test_field

  contains
    procedure :: set_test_field
  end type t_test

contains
  subroutine set_test_field(this, val)
    class(t_test) :: this
    integer :: val
    this%test_field = val
  end subroutine set_test_field
end module mod_test

program test
  use mod_test
  implicit none

  type(t_test) :: test_var

  call test_var%set_test_field(0)
end program test
EOF

if ! "${R_HOME}"/bin/R CMD SHLIB test-f03.f90; then
    echo "*********************************************************************************"
    echo "Your Fortran compiler does not appear to support all features of the 2003"
    echo "standard. Please install a compatible compiler, set this in your ~/.R/Makevars"
    echo "and try again."
    echo "*********************************************************************************"

    exit 1
fi

rm -f test-f03.* mod_test.*