A warning of "HAVE_UINTPTR_T redefined" occured when my ubuntu updated some r-cran packages. Does this warning matters? Could somebody explain this macro? I also found it in some python header.
In file included from /usr/local/include/RInside/RInside.h:26:0,
/usr/local/include/RInside/RInsideCommon.h:50:0: warning: "HAVE_UINTPTR_T" redefined [enabled by default]
#define HAVE_UINTPTR_T
^
In file included from /usr/share/R/include/R.h:81:0,
from /usr/local/lib/R/site-library/Rcpp/include/Rcpp/r/headers.h:52,
from /usr/local/lib/R/site-library/Rcpp/include/RcppCommon.h:29,
from /usr/local/lib/R/site-library/Rcpp/include/Rcpp.h:27,
from /usr/local/include/RInside/RInsideCommon.h:38,
from /usr/local/include/RInside/RInside.h:26,
/usr/share/R/include/Rconfig.h:23:0: note: this is the location of the previous definition
#define HAVE_UINTPTR_T 1