XCode and RInside

CompileC /Users/n/Library/Developer/Xcode/DerivedData/t-cafupklrvsxehngagiewehxfybie/Build/Intermediates/t.build/Debug/t.build/Objects-normal/x86_64/main.o main.cpp normal x86_64 c++ com.apple.compilers.llvm.clang.1_0.compiler
    cd /Users/n/Documents/test/t
    setenv LANG en_US.US-ASCII
    /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -x c++ -arch x86_64 -fmessage-length=0 -fdiagnostics-show-note-include-stack -fmacro-backtrace-limit=0 -std=gnu++11 -stdlib=libc++ -Wno-trigraphs -fpascal-strings -O0 -Wno-missing-field-initializers -Wno-missing-prototypes -Werror=return-type -Werror=deprecated-objc-isa-usage -Werror=objc-root-class -Wno-non-virtual-dtor -Wno-overloaded-virtual -Wno-exit-time-destructors -Wno-missing-braces -Wparentheses -Wswitch -Wunused-function -Wno-unused-label -Wno-unused-parameter -Wunused-variable -Wunused-value -Wempty-body -Wuninitialized -Wno-unknown-pragmas -Wno-shadow -Wno-four-char-constants -Wno-conversion -Wconstant-conversion -Wint-conversion -Wbool-conversion -Wenum-conversion -Wshorten-64-to-32 -Wno-newline-eof -Wno-c++11-extensions -DDEBUG=1 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.8.sdk -fasm-blocks -fstrict-aliasing -Wdeprecated-declarations -Winvalid-offsetof -mmacosx-version-min=10.8 -g -fvisibility-inlines-hidden -Wno-sign-conversion -iquote /Users/n/Library/Developer/Xcode/DerivedData/t-cafupklrvsxehngagiewehxfybie/Build/Intermediates/t.build/Debug/t.build/t-generated-files.hmap -I/Users/n/Library/Developer/Xcode/DerivedData/t-cafupklrvsxehngagiewehxfybie/Build/Intermediates/t.build/Debug/t.build/t-own-target-headers.hmap -I/Users/n/Library/Developer/Xcode/DerivedData/t-cafupklrvsxehngagiewehxfybie/Build/Intermediates/t.build/Debug/t.build/t-all-target-headers.hmap -iquote /Users/n/Library/Developer/Xcode/DerivedData/t-cafupklrvsxehngagiewehxfybie/Build/Intermediates/t.build/Debug/t.build/t-project-headers.hmap -I/Users/n/Library/Developer/Xcode/DerivedData/t-cafupklrvsxehngagiewehxfybie/Build/Products/Debug/include -I/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include -I/Users/n/Library/Developer/Xcode/DerivedData/t-cafupklrvsxehngagiewehxfybie/Build/Intermediates/t.build/Debug/t.build/DerivedSources/x86_64 -I/Users/n/Library/Developer/Xcode/DerivedData/t-cafupklrvsxehngagiewehxfybie/Build/Intermediates/t.build/Debug/t.build/DerivedSources -F/Users/n/Library/Developer/Xcode/DerivedData/t-cafupklrvsxehngagiewehxfybie/Build/Products/Debug -I/opt/local/Library/Frameworks/R.framework/Resources/include -I/opt/local/Library/Frameworks/R.framework/Versions/3.0/Resources/library/Rcpp/include -I/opt/local/Library/Frameworks/R.framework/Versions/3.0/Resources/library/RInside/include -pipe -Os -arch x86_64 -Wall -I/opt/local/include -F/opt/local/Library/Frameworks/R.framework/.. -framework R -L/opt/local/Library/Frameworks/R.framework/Resources/lib -lRblas -L/opt/local/Library/Frameworks/R.framework/Resources/lib -lRlapack /opt/local/Library/Frameworks/R.framework/Versions/3.0/Resources/library/Rcpp/lib/libRcpp.a /opt/local/Library/Frameworks/R.framework/Versions/3.0/Resources/library/RInside/lib/libRInside.a -MMD -MT dependencies -MF /Users/n/Library/Developer/Xcode/DerivedData/t-cafupklrvsxehngagiewehxfybie/Build/Intermediates/t.build/Debug/t.build/Objects-normal/x86_64/main.d --serialize-diagnostics /Users/n/Library/Developer/Xcode/DerivedData/t-cafupklrvsxehngagiewehxfybie/Build/Intermediates/t.build/Debug/t.build/Objects-normal/x86_64/main.dia -c /Users/n/Documents/test/t/main.cpp -o /Users/n/Library/Developer/Xcode/DerivedData/t-cafupklrvsxehngagiewehxfybie/Build/Intermediates/t.build/Debug/t.build/Objects-normal/x86_64/main.o

clang: warning: -framework R: 'linker' input unused
clang: warning: -lRblas: 'linker' input unused
clang: warning: -lRlapack: 'linker' input unused
clang: error: cannot specify -o when generating multiple output files
Command /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang failed with exit code 1