Found the following significant warnings:
  client.c:5:27: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  mongoc/mongoc-generation-map-private.h:29:27: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  mongoc/mongoc-async-private.h:59:18: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  mongoc/mongoc-async.c:32:18: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  mongoc/mongoc-stream-tls-openssl-bio-private.h:32:40: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  mongoc/mongoc-stream-tls-openssl-bio.c:87:40: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  mongoc/mongoc-generation-map.c:28:13: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  mongoc/mongoc-generation-map.c:57:27: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  mongoc/mongoc-timeout-private.h:28:20: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  mongoc/mongoc-timeout.c:56:20: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  mongoc/mongoc-ocsp-cache.c:37:25: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  mongoc/mongoc-ocsp-cache.c:128:27: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  mongoc/mongoc-ocsp-cache.c:187:28: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  kms/kms_crypto.h:38:17: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  kms/kms_crypto.h:41:20: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  kms/kms_crypto_libcrypto.c:42:17: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  kms/kms_crypto_libcrypto.c:48:20: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  kms/kms_request_str.c:33:13: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
See ‘/data/gannet/ripley/R/packages/tests-clang/mongolite.Rcheck/00install.out’ for details.