Found the following significant warnings:
  randomForestSRC.h:380:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.h:568:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.h:569:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.h:851:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.h:876:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.h:1364:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.h:2161:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.h:2162:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.h:2174:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.h:2181:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.h:2194:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.h:2195:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.h:2196:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.h:2197:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.h:2198:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.h:2199:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.h:2281:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.h:2485:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.h:2487:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.h:2503:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.c:3029:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.c:3126:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.c:6565:16: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.c:7468:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.c:7722:13: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  splitCustom.h:22:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  splitCustom.c:24:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.c:13948:16: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.c:27125:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.c:27431:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.c:27865:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.c:27912:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.c:27931:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.c:27944:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.c:27949:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.c:27972:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.c:27981:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.c:29203:11: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.c:33000:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.c:33013:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  randomForestSRC.c:33195:6: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
See ‘/data/gannet/ripley/R/packages/tests-devel/RFpredInterval.Rcheck/00install.out’ for details.