On Mar 3, 2014, at 3:41 PM, Alexy Khrabrov <delivera...@gmail.com> wrote:
>> They are both installed into the same "fat" framework. Everything is shared >> (i.e. files exist only once) except for the .so objects and some >> configurations that are in separate subdirectories based on the r_arch >> setting. OS X supports multiple architectures in one binary, that's why you >> don't need to modify any paths. OS X was running several architectures in >> parallel for a long time (first PPC+Intel then ppc+ppc64+i386+x86_64) so it >> "just works". The only thing to remember is that when you are compiling 3rd >> party dependencies, you must compile them "fat" for both architectures as >> well (or use lipo to combine them). > > Great -- so how should I configure R build to do that? Obviously the > above builds only one. > You always build one, but they both install into one merged framework. You choose which to invoke by setting the --arch parameter, e.g. R --arch=x86_64 to run the 64-bit version. The default will be whichever you install last. Cheers, Simon _______________________________________________ R-SIG-Mac mailing list R-SIG-Mac@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-mac