Found the following significant warnings:
  ./map_lib.h:42:23: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  map_lib.c:45:17: 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/lxb.Rcheck/00install.out' for details.
Found the following significant warnings:
  map_lib.h:42:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  map_lib.c:45:7: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
See ‘/home/hornik/tmp/R.check/r-devel-gcc/Work/PKGS/lxb.Rcheck/00install.out’ for details.
Found the following significant warnings:
  ./map_lib.h:42:23: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
  map_lib.c:45:17: warning: a function declaration without a prototype is deprecated in all versions of C [-Wstrict-prototypes]
See ‘/data/gannet/ripley/R/packages/tests-clang/lxb.Rcheck/00install.out’ for details.
File ‘lxb/libs/lxb.so’:
  Found no calls to: ‘R_registerRoutines’, ‘R_useDynamicSymbols’

It is good practice to register native routines and to disable symbol
search.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual.
Found the following significant warnings:
  map_lib.h:42:1: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  map_lib.c:45:7: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
See ‘/data/gannet/ripley/R/packages/tests-devel/lxb.Rcheck/00install.out’ for details.
File ‘lxb/libs/lxb.so’:
  Found no calls to: ‘R_registerRoutines’, ‘R_useDynamicSymbols’

It is good practice to register native routines and to disable symbol
search.

See ‘Writing portable packages’ in the ‘Writing R Extensions’ manual.
Found the following significant warnings:
  lxb.c:62:25: warning: 'sprintf' may write a terminating nul past the end of the destination [-Wformat-overflow=]
  lxb.c:62:21: warning: '%d' directive writing between 1 and 10 bytes into a region of size 4 [-Wformat-overflow=]
See 'd:/Rcompile/CRANpkg/local/4.3/lxb.Rcheck/00install.out' for details.
Found the following significant warnings:
  lxb.c:62:25: warning: 'sprintf' may write a terminating nul past the end of the destination [-Wformat-overflow=]
  lxb.c:62:21: warning: '%d' directive writing between 1 and 10 bytes into a region of size 4 [-Wformat-overflow=]
See 'd:/Rcompile/CRANpkg/local/4.2/lxb.Rcheck/00install.out' for details.
Found the following significant warnings:
  lxb.c:62:21: warning: '%d' directive writing between 1 and 11 bytes into a region of size 4 [-Wformat-overflow=]
See 'd:/Rcompile/CRANpkg/local/4.1/lxb.Rcheck/00install.out' for details.