Found the following significant warnings:
  ibsFn.c:14:11: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ibsFn.c:15:11: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  ibsFn.c:16:13: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  idcoef.c:40:11: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  idcoef.c:41:15: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  idcoef.c:42:11: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  idcoef.c:43:12: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  idcoef.c:44:12: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  idcoef.c:45:12: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  idcoef.c:46:13: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  idcoef.c:47:13: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  idcoef.c:48:13: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  idcoef.c:49:13: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  rgdat.c:5:12: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  rgdat.c:6:12: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
See '/home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/QTLRel.Rcheck/00install.out' for details.