Found the following significant warnings:
  cli.h:13:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  cli.h:19:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  cli.h:40:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  cli.h:58:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  cli.h:62:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  cli.h:63:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  cli.h:64:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  cli.h:68:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  cli.h:69:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  cli.h:102:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  cleancall.h:31:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  cleancall.h:42:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  ansi.c:111:12: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  cleancall.c:38:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  cleancall.c:141:5: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  init.c:8:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  init.c:26:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  progress-altrep.c:54:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  progress-altrep.c:58:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  progress.c:69:22: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  progress.c:80:8: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  progress.c:87:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  progress.c:306:5: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  thread.c:80:5: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  thread.c:118:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  thread.c:139:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  tty.c:15:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  utils.c:44:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  win-utf8.c:12:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
See ‘/data/gannet/ripley/R/packages/tests-devel/cli.Rcheck/00install.out’ for details.