Finally, you could always try placing this in a file located at `~/.R/Makevars`:
CC=clang CXX=clang++ This was an 'old' workaround that ensured packages were built with `clang` on Mavericks and above, when the transition first began... On Tue, May 5, 2015 at 9:01 PM, Kevin Ushey <kevinus...@gmail.com> wrote: > Oh, I wonder if you have the Snow Leopard version of R installed, when you > should have the Mavericks version? What is the output of `sessionInfo()`? > You might need to install the (Mavericks, non-Snow Leopard) version of R > here: http://cran.r-project.org/bin/macosx/ > > On Tue, May 5, 2015 at 8:57 PM, Peng Yu <pengyu...@gmail.com> wrote: > >> On Tue, May 5, 2015 at 10:52 PM, Kevin Ushey <kevinus...@gmail.com> >> wrote: >> > Your error: >> > >> > Error in dyn.load(file, DLLpath = DLLpath, ...) : >> > unable to load shared object >> > '/Users/py/Library/R/3.2/library/Rcpp/libs/Rcpp.so': >> > dlopen(/Users/py/Library/R/3.2/library/Rcpp/libs/Rcpp.so, 6): Symbol >> > not found: __ZNSoD0Ev >> > >> > >> > says some (mangled) symbol named `__ZNSoD0Ev` could not be found. Using >> the >> > online demangling tool at http://demangler.com/, I see this symbol is: >> > >> > _std::basic_ostream<char, std::char_traits<char> >::~basic_ostream() >> > >> > >> > which should be provided by your C++ standard library. >> > >> > Given that you're using `g++` on OS X, I'm assuming you installed gcc >> from >> > macports or something like that, but either that was provided without a >> > standard library (libstdc++), or it's distributed in such a way that >> > libstdc++ isn't located on its default library search path. >> > >> > So, you should either: >> > >> > 1. Figure out where you can get libstdc++ for the g++ compiler you've >> > obtained, or >> > 2. Just use Apple's command line tools (clang etc) as that will 'just >> work'. >> >> I use install.packages(). How to clang with it? >> >> -- >> Regards, >> Peng >> > >
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