Found the following significant warnings:
  ./bedrock_leveldb.h:74:39: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./bedrock_leveldb.h:100:29: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./bedrock_leveldb.h:102:26: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./bedrock_leveldb.h:103:29: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./support.h:44:26: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  bedrock_leveldb.c:545:39: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  bedrock_leveldb.c:785:29: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  bedrock_leveldb.c:797:26: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  bedrock_leveldb.c:802:29: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  init.c:39:34: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  init.c:136:23: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  init.c:137:26: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  init.c:138:26: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  nbt.c:35:23: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  subchunk.c:9:26: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  random.c:44:26: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  random.c:56:37: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  random.c:90:33: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  support.c:205:26: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
See ‘/data/gannet/ripley/R/packages/tests-clang/rbedrock.Rcheck/00install.out’ for details.