安装libcxx-3.8.1报错：clang: error: linker command failed with exit code 1

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详细错误信息：

1. cxa_noexception.o: In function `__cxa_current_primary_exception':
   
2. /data/llvm/llvm-3.8.1.src/libcxxabi/lib/../src/cxa_noexception.cpp:42: multiple definition of `__cxa_current_primary_exception'
   
3. cxa_exception.o:/data/llvm/llvm-3.8.1.src/libcxxabi/lib/../src/cxa_exception.cpp:632: first defined here
   
4. cxa_noexception.o: In function `__cxa_decrement_exception_refcount':
   
5. /data/llvm/llvm-3.8.1.src/libcxxabi/lib/../src/cxa_noexception.cpp:37: multiple definition of `__cxa_decrement_exception_refcount'
   
6. cxa_exception.o:/data/llvm/llvm-3.8.1.src/libcxxabi/lib/../src/cxa_exception.cpp:607: first defined here
   
7. cxa_noexception.o: In function `__cxa_increment_exception_refcount':
   
8. /data/llvm/llvm-3.8.1.src/libcxxabi/lib/../src/cxa_noexception.cpp:31: multiple definition of `__cxa_increment_exception_refcount'
   
9. cxa_exception.o:/data/llvm/llvm-3.8.1.src/libcxxabi/lib/../src/cxa_exception.cpp:591: first defined here
   
10. cxa_noexception.o: In function `__cxa_rethrow_primary_exception':
    
11. /data/llvm/llvm-3.8.1.src/libcxxabi/lib/../src/cxa_noexception.cpp:46: multiple definition of `__cxa_rethrow_primary_exception'
    
12. cxa_exception.o:/data/llvm/llvm-3.8.1.src/libcxxabi/lib/../src/cxa_exception.cpp:674: first defined here
    
13. cxa_noexception.o: In function `__cxa_uncaught_exception':
    
14. /data/llvm/llvm-3.8.1.src/libcxxabi/lib/../src/cxa_noexception.cpp:51: multiple definition of `__cxa_uncaught_exception'
    
15. cxa_exception.o:/data/llvm/llvm-3.8.1.src/libcxxabi/lib/../src/cxa_exception.cpp:708: first defined here
    
16. cxa_noexception.o: In function `__cxa_uncaught_exceptions':
    
17. /data/llvm/llvm-3.8.1.src/libcxxabi/lib/../src/cxa_noexception.cpp:54: multiple definition of `__cxa_uncaught_exceptions'
    
18. cxa_exception.o:/data/llvm/llvm-3.8.1.src/libcxxabi/lib/../src/cxa_exception.cpp:708: first defined here
    
19. clang: error: linker command failed with exit code 1 (use -v to see invocation)

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