Found the following significant warnings:
  ./rlang/cnd.h:9:17: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./rlang/cnd.h:39:20: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  version.c:25:26: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./rlang/session.h:6:18: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./rlang/session.h:7:17: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./rlang/stack.h:7:20: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./rlang/stack.h:13:23: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/utils.h:5:32: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/nse-inject.h:47:56: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/cnd.c:144:30: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/dots.c:105:24: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./rlang/arg.c:8:24: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/dots.c:138:18: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/dots.c:212:27: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./rlang/call.c:65:25: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./rlang/cnd.c:96:17: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./rlang/cnd.c:137:24: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/eval-tidy.c:256:34: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./rlang/dyn-array.c:122:30: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/eval-tidy.c:552:26: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/exported.c:12:27: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/exported.c:40:21: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./rlang/env.c:285:25: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./rlang/env.c:289:24: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./rlang/eval.c:171:25: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./rlang/fn.c:28:23: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/exported.c:493:27: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./rlang/globals.c:58:33: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/exported.c:696:23: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/exported.c:806:25: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/exported.c:808:38: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./rlang/obj.c:99:36: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./rlang/quo.c:8:24: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./rlang/session.c:19:18: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/nse-inject.c:94:32: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/nse-inject.c:101:33: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/nse-inject.c:109:38: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/nse-inject.c:124:39: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./rlang/session.c:28:28: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./rlang/session.c:73:17: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./rlang/stack.c:19:20: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/nse-inject.c:434:28: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./rlang/stack.c:77:26: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./rlang/sym.c:56:24: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/fn.c:36:19: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./rlang/vendor.c:5:27: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/hash.c:93:31: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/hash.c:164:17: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/hash.c:348:23: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/decl/names-decl.h:19:21: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/names.c:226:21: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/tests.c:8:17: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/tests.c:11:28: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/tests.c:14:30: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/tests.c:37:19: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/tests.c:68:12: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/tests.c:68:26: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/tests.c:186:22: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/utils.c:4:32: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/utils.c:259:23: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/utils.c:267:35: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/utils.c:276:19: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/utils.c:281:22: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/init.c:7:29: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/init.c:10:35: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./internal/init.c:325:22: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
See ‘/data/gannet/ripley/R/packages/tests-clang/rlang.Rcheck/00install.out’ for details.