Maintainer: ‘Shuichi Kawano <skawano@math.kyushu-u.ac.jp>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = "Shuichi",
                    family = "Kawano",
                    role = c("aut", "cre"),
                    email = "skawano@math.kyushu-u.ac.jp")
as necessary.
Maintainer: ‘Shuichi Kawano <skawano@math.kyushu-u.ac.jp>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: person(given = "Shuichi",
                    family = "Kawano",
                    role = c("aut", "cre"),
                    email = "skawano@math.kyushu-u.ac.jp")
as necessary.
File ‘spcr/libs/spcr.so’:
  Found no calls to: ‘R_registerRoutines’, ‘R_useDynamicSymbols’

It is good practice to register native routines and to disable symbol
search.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual.
File ‘spcr/libs/spcr.so’:
  Found no calls to: ‘R_registerRoutines’, ‘R_useDynamicSymbols’

It is good practice to register native routines and to disable symbol
search.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual.