c++ - R can not find gfortran -


i have been trying tackle problem quite time now, , seems can't. after loading packages try source c++ file, , happens: 

sourcecpp("desktop/studie/master/scriptie/r files/simulexprcpp.cpp");    error in sourcecpp("desktop/studie/master/scriptie/r files/simulexprcpp.cpp") :  error 1 occurred building shared library. warning: tools required build c++ code r not found. please install command line tools xcode (or equivalent).  ld: warning: directory not found option '-l/usr/local/lib/gcc/x86_64-apple-darwin13.0.0/4.8.2'

i have installed gfortran indicated here, , double checked whether correctly installed commandlinetools. also, system runs on os x mavericks 10.9.5.

i assume problem has library, possible solutions given here. however, quite new r, not subtleties yet , solutions abracadabra me.

is there can explain me can resolve problem? in advance help!


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