SunStudio has given these warnings for a long time, and we added
const to several R declarations (most recently Rprintf) to suppress them.
And yes, we noticed that gcc 4.3.0 gave them too.
So what version of R is this? I don't think 2.7.0 alpha does this.
And I suggest you don't mix 'g++-4.3' with R compiled under gcc 3.4.6 and
gfortran -- some of the argument passing is incompatible.
On Thu, 3 Apr 2008, Andrew Finley wrote:
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?
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
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--
Brian D. Ripley, [EMAIL PROTECTED]
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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