Found the following significant warnings:
  ./mutil.h:25:20: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:26:25: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:27:22: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:27:36: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:27:49: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:28:24: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:28:38: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:28:51: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:29:25: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:29:39: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:29:52: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:30:23: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:30:35: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:30:48: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:33:23: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:33:37: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:33:49: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:33:59: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:36:15: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:36:25: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:36:36: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:36:46: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:39:16: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:39:29: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:40:20: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:43:27: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:43:39: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:43:51: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:46:20: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:46:31: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:46:43: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:46:58: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:46:71: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:47:24: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:47:35: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:72:21: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:72:33: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:72:47: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:72:61: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:73:25: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:73:34: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:73:41: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:74:22: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:74:33: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:94:23: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:94:30: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:95:25: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:95:38: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:96:21: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:96:30: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:96:41: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:96:50: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:96:60: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:96:66: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:96:72: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:96:82: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:97:21: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:99:21: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:99:30: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:100:17: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:100:27: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./mutil.h:100:40: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./local.h:88:26: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./tube.h:15:22: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./tube.h:16:20: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ./tube.h:16:29: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  scb_crit.c:137:16: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  scb_crit.c:137:26: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
See ‘/data/gannet/ripley/R/packages/tests-clang/AdaptFitOS.Rcheck/00install.out’ for details.