Found the following significant warnings:
  libdieharder/dieharder/Dtest.h:29:4: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  libdieharder/dieharder/dieharder_rng_types.h:62:2: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  libdieharder/dieharder/dieharder_test_types.h:37:2: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  libdieharder/dieharder/libdieharder.h:101:2: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  libdieharder/dieharder/libdieharder.h:102:2: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  libdieharder/dieharder/libdieharder.h:103:2: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  libdieharder/dieharder/libdieharder.h:104:2: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  libdieharder/dieharder/libdieharder.h:105:2: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  libdieharder/dieharder/libdieharder.h:106:2: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  libdieharder/dieharder/libdieharder.h:107:2: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  libdieharder/dieharder/libdieharder.h:108:2: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  libdieharder/dieharder/libdieharder.h:109:2: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  libdieharder/dieharder/libdieharder.h:116:2: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  libdieharder/dieharder/libdieharder.h:144:2: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  libdieharder/dieharder/libdieharder.h:150:2: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  libdieharder/bits.c:1427:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  libdieharder/dab_dct.c:197:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  libdieharder/dab_dct.c:311:5: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  libdieharder/diehard_craps.c:30:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  libdieharder/dieharder_rng_types.c:42:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  libdieharder/dieharder_test_types.c:30:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  libdieharder/random_seed.c:19:19: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  libdieharder/rgb_lagged_sums.c:92:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  libdieharder/rngav.c:141:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  libdieharder/rngs_gnu_r.c:58:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  libdieharder/sample.c:43:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  libdieharder/timing.c:16:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  libdieharder/timing.c:21:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  libdieharder/timing.c:26:8: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  libdieharder/timing.c:33:14: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  libdieharder/version.c:26:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  libdieharder/version.c:51:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  dieharder.h:102:2: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  dieharder.h:103:2: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  dieharder.h:104:2: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  dieharder.h:105:2: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  dieharder.h:106:2: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  dieharder.h:107:2: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  dieharder.h:108:2: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  dieharder.h:114:2: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  choose_rng.c:19:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  choose_rng.c:21:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  choose_rng.c:298:5: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  dieharder.c:19:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  dieharder.c:20:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  dieharder.c:21:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  help.c:45:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  help.c:207:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  init.c:12:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  init.c:13:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  list_rand.c:21:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  list_tests.c:45:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  output.c:10:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  output.c:173:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  run_all_tests.c:21:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  run_test.c:11:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  time_rng.c:20:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
See ‘/data/gannet/ripley/R/packages/tests-devel/RDieHarder.Rcheck/00install.out’ for details.