Hi Kurt and Brian, I was using R 2.6.2. Now, based on your suggestion, I've upgrade to 2.7.0 and am no longer mixing compilation versions of gcc/g++. The constant to char* warnings are gone. Thanks! -Andy
Kurt Hornik wrote: >>>>>> Andrew Finley writes: > >> Hello, >> I've noticed that with g++ 4.3 I get the following "warning: deprecated >> conversion from string constant to ‘char*’" when I call e.g., >> Rprintf("Hello world"); or when I try to define a const char e.g., char >> lower = 'L'; > >> I am wrapping the c++ code in extern "C" {}. This seems to be something >> new with g++ 4.3, because the same code compiled without warnings with >> previous versions. > >> Has anyone else had theses warnings? Any fixes? > > Does this persist in a current version of 2.7.0 alpha? > > Brian recently changed R_ext/Print.h to > > -void Rprintf(char *, ...); > -void REprintf(char *, ...); > +void Rprintf(const char *, ...); > +void REprintf(const char *, ...); > > to deal with this issue. > > Best > -k > >> I have included some example output below. Each warning corresponds to >> an Rprintf call. > > >> [EMAIL PROTECTED]:~/Rdevel/tmp$ R CMD SHLIB splmDIC.cpp covmodel.cpp util.cpp >> g++-4.3 -I/usr/local/lib/R/include -I/usr/local/lib/R/include >> -I/usr/local/include -fpic -g -O2 -c splmDIC.cpp -o splmDIC.o >> splmDIC.cpp: In function ‘SEXPREC* splmDIC(SEXPREC*, SEXPREC*, SEXPREC*, >> SEXPREC*, SEXPREC*, SEXPREC*, SEXPREC*, SEXPREC*, SEXPREC*, SEXPREC*, >> SEXPREC*, SEXPREC*, SEXPREC*, SEXPREC*, SEXPREC*, SEXPREC*, SEXPREC*, >> SEXPREC*, SEXPREC*, SEXPREC*, SEXPREC*, SEXPREC*, SEXPREC*)’: >> splmDIC.cpp:163: warning: deprecated conversion from string constant to >> ‘char*’ >> splmDIC.cpp:164: warning: deprecated conversion from string constant to >> ‘char*’ >> splmDIC.cpp:165: warning: deprecated conversion from string constant to >> ‘char*’ >> splmDIC.cpp:430: warning: deprecated conversion from string constant to >> ‘char*’ >> splmDIC.cpp:431: warning: deprecated conversion from string constant to >> ‘char*’ >> g++-4.3 -shared -L/usr/local/lib -o splmDIC.so splmDIC.o covmodel.o >> util.o -L/usr/local/lib/R/lib -lRlapack -L/usr/local/lib/R/lib -lRblas >> -L/usr/lib/gcc/i486-linux-gnu/3.4.6 -lg2c -lm -lgcc_s > > >> Thanks for your time. >> Kind regards- >> Andy > > > >> -- >> Andrew Finley, PhD >> Natural Resources Building >> Michigan State University >> East Lansing, MI 48824-1222 >> Phone: 517-432-7219 >> Fax: 517-432-1143 >> web: http://blue.for.msu.edu > >> ______________________________________________ >> R-devel@r-project.org mailing list >> https://stat.ethz.ch/mailman/listinfo/r-devel > > -- Andrew Finley, PhD Natural Resources Building Michigan State University East Lansing, MI 48824-1222 Phone: 517-432-7219 Fax: 517-432-1143 web: http://blue.for.msu.edu ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel