File ‘rmumps/libs/rmumps.so’:
  Found ‘__printf_chk’, possibly from ‘printf’ (C)
    Objects: ‘lib/MUMPS_5.2.1/PORD/lib/libpord.a’,
      ‘lib/MUMPS_5.2.1/lib/libmumps_common.a’,
      ‘lib/MUMPS_5.2.1/lib/libpord.a’, ‘lib/libmetis.a’,
      ‘lib/libmumps_common.a’, ‘lib/libpord.a’, ‘lib/libscotch.a’,
      ‘lib/metis-5.1.0/libmetis/libmetis.a’,
      ‘lib/scotch_6.0.9/src/libscotch/libscotch.a’
  Found ‘__sprintf_chk’, possibly from ‘sprintf’ (C)
    Objects: ‘lib/MUMPS_5.2.1/lib/libmumps_common.a’,
      ‘lib/libesmumps.a’, ‘lib/libmetis.a’, ‘lib/libmumps_common.a’,
      ‘lib/libscotch.a’, ‘lib/metis-5.1.0/libmetis/libmetis.a’,
      ‘lib/scotch_6.0.9/lib/libesmumps.a’,
      ‘lib/scotch_6.0.9/src/libscotch/libscotch.a’
  Found ‘_gfortran_random_r8’, possibly from ‘random_number’ (Fortran)
    Objects: ‘lib/MUMPS_5.2.1/lib/libdmumps.a’,
      ‘lib/MUMPS_5.2.1/lib/libmumps_common.a’, ‘lib/libdmumps.a’,
      ‘lib/libmumps_common.a’
  Found ‘_gfortran_st_close’, possibly from ‘close’ (Fortran)
    Objects: ‘lib/MUMPS_5.2.1/lib/libdmumps.a’, ‘lib/libdmumps.a’
  Found ‘_gfortran_st_open’, possibly from ‘open’ (Fortran)
    Objects: ‘lib/MUMPS_5.2.1/lib/libdmumps.a’, ‘lib/libdmumps.a’
  Found ‘_gfortran_st_read’, possibly from ‘read’ (Fortran)
    Objects: ‘lib/MUMPS_5.2.1/lib/libdmumps.a’,
      ‘lib/MUMPS_5.2.1/lib/libmumps_common.a’, ‘lib/libdmumps.a’,
      ‘lib/libmumps_common.a’
  Found ‘_gfortran_st_write’, possibly from ‘write’ (Fortran), ‘print’
    (Fortran)
    Objects: ‘lib/MUMPS_5.2.1/lib/libdmumps.a’,
      ‘lib/MUMPS_5.2.1/lib/libmumps_common.a’,
      ‘lib/MUMPS_5.2.1/libseq/libmpiseq.a’, ‘lib/libdmumps.a’,
      ‘lib/libmpiseq.a’, ‘lib/libmumps_common.a’
  Found ‘_gfortran_stop_string’, possibly from ‘stop’ (Fortran)
    Objects: ‘lib/MUMPS_5.2.1/lib/libdmumps.a’,
      ‘lib/MUMPS_5.2.1/lib/libmumps_common.a’,
      ‘lib/MUMPS_5.2.1/libseq/libmpiseq.a’, ‘lib/libdmumps.a’,
      ‘lib/libmpiseq.a’, ‘lib/libmumps_common.a’
  Found ‘exit’, possibly from ‘exit’ (C)
    Objects: ‘lib/MUMPS_5.2.1/PORD/lib/libpord.a’,
      ‘lib/MUMPS_5.2.1/lib/libmumps_common.a’,
      ‘lib/MUMPS_5.2.1/lib/libpord.a’, ‘lib/libmetis.a’,
      ‘lib/libmumps_common.a’, ‘lib/libpord.a’, ‘lib/libscotch.a’,
      ‘lib/metis-5.1.0/libmetis/libmetis.a’,
      ‘lib/scotch_6.0.9/src/libscotch/libscotch.a’
  Found ‘putchar’, possibly from ‘putchar’ (C)
    Objects: ‘lib/MUMPS_5.2.1/PORD/lib/libpord.a’,
      ‘lib/MUMPS_5.2.1/lib/libpord.a’, ‘lib/libmetis.a’,
      ‘lib/libpord.a’, ‘lib/metis-5.1.0/libmetis/libmetis.a’
  Found ‘puts’, possibly from ‘printf’ (C), ‘puts’ (C)
    Objects: ‘lib/MUMPS_5.2.1/PORD/lib/libpord.a’,
      ‘lib/MUMPS_5.2.1/lib/libmumps_common.a’,
      ‘lib/MUMPS_5.2.1/lib/libpord.a’, ‘lib/libmetis.a’,
      ‘lib/libmumps_common.a’, ‘lib/libpord.a’,
      ‘lib/metis-5.1.0/libmetis/libmetis.a’
  Found ‘rand’, possibly from ‘rand’ (C)
    Objects: ‘lib/MUMPS_5.2.1/PORD/lib/libpord.a’,
      ‘lib/MUMPS_5.2.1/lib/libpord.a’, ‘lib/libmetis.a’,
      ‘lib/libpord.a’, ‘lib/metis-5.1.0/libmetis/libmetis.a’
  Found ‘srand’, possibly from ‘srand’ (C)
    Objects: ‘lib/libmetis.a’, ‘lib/metis-5.1.0/libmetis/libmetis.a’
  Found ‘stderr’, possibly from ‘stderr’ (C)
    Objects: ‘lib/MUMPS_5.2.1/PORD/lib/libpord.a’,
      ‘lib/MUMPS_5.2.1/lib/libpord.a’, ‘lib/libmetis.a’,
      ‘lib/libpord.a’, ‘lib/libscotch.a’, ‘lib/libscotcherr.a’,
      ‘lib/metis-5.1.0/libmetis/libmetis.a’,
      ‘lib/scotch_6.0.9/src/libscotch/libscotch.a’,
      ‘lib/scotch_6.0.9/src/libscotch/libscotcherr.a’
  Found ‘stdout’, possibly from ‘stdout’ (C)
    Objects: ‘lib/libmetis.a’, ‘lib/libscotch.a’,
      ‘lib/metis-5.1.0/libmetis/libmetis.a’,
      ‘lib/scotch_6.0.9/src/libscotch/libscotch.a’

Compiled code should not call entry points which might terminate R nor
write to stdout/stderr instead of to the console, nor use Fortran I/O
nor system RNGs nor [v]sprintf.

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