Found the following significant warnings:
  GLDEX.c:218:8: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  GLDEX.c:225:8: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  GLDEX.c:232:8: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  GLDEX.c:239:8: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  GLDEX.c:283:8: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  GLDEX.c:288:8: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  GLDEX.c:293:8: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  GLDEX.c:299:8: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
See '/home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/GLDEX.Rcheck/00install.out' for details.
Found the following significant warnings:
  GLDEX.c:218:8: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  GLDEX.c:225:8: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  GLDEX.c:232:8: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  GLDEX.c:239:8: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  GLDEX.c:283:8: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  GLDEX.c:288:8: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  GLDEX.c:293:8: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
  GLDEX.c:299:8: warning: use of bitwise '&' with boolean operands [-Wbitwise-instead-of-logical]
See ‘/data/gannet/ripley/R/packages/tests-clang/GLDEX.Rcheck/00install.out’ for details.