On Thu, 15 Mar 2007, Peter Dalgaard wrote: > Andrew Ferris wrote: >> Peter, >> >> First off, as you may have guessed, I don't compile many 64 bit programs so >> thanks again for the help. I'll revert back to powerpc64-unknown-linux-gnu >> which is the default for -build and -host. >> >> Here's the gcc information >> [hostname]:/ # which gcc >> /usr/bin/gcc >> [hostname]:/ # gcc -dumpmachine >> powerpc64-suse-linux >> >> From looking at the GNU documentation for GCC - IBM RS/6000 and PowerPC >> Options, I see that it mentions this option: >> >> -m64 >> >> Generate code for 32-bit or 64-bit environments of Darwin and SVR4 targets >> (including GNU/Linux). The 32-bit environment sets int, long and pointer to >> 32 bits and generates code that runs on any PowerPC variant. The 64-bit >> environment sets int to 32 bits and long and pointer to 64 bits, and >> generates code for PowerPC64, as for -mpowerpc64. >> >> So would some compiler flags such as these work: >> >> 'CC=gcc -m64' 'CXX=g++ -m64' 'FC=gfortran -mc64' 'F77=gfortran -m64' >> 'LDFLAGS=-L/lib64' >> >> > > That's likely. Or use CFLAGS=-m64, and FFLAGS, CXXFLAGS similarly.
The CC etc forms are preferred, as not all configure scripts use the environment CFLAGS. See the Solaris 64-bit notes in the R-admin manual for proven examples. > > I'd try compiling a simple hello.c program first. Try e.g. "gcc -m64 > hello.c" and see what "file a.out" has to say about the result. > > You may also find yourself having to install a number of packages with > names like foo-64bit_xx.yy to get 64bit C libraries, but configure > should tell you about any missing bits in due course, once you have it > convinced not to build for 32bit. > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel > -- 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 ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
