[llvm-dev] LLVM libcxx build failed

[users users via llvm-dev]

Dear LLVM developers:

I am trying to build LLVM 11 & subprojects "clang;libcxx;libcxxabi" with
gcc 8.2.0, but it failed with the following error messages:

....../build/libcxxabi/src/cxa_aux_runtime.cpp

In file included from .../build/libcxx/include/stdlib.h:94,
                  from .../build/libcxx/include/cstdlib:86,
                  from .../build/libcxx/include/exception:82,
                  from .../build/libcxx/include/new:85,
                  from .../build/libcxxabi/src/cxa_aux_runtime.cpp:14:
.../8.2.0/include/c++/8.2.0/stdlib.h:38:12: error: 'std::abort' has
not been declared
  using std::abort;
             ^~~~~
.../8.2.0/include/c++/8.2.0/stdlib.h:39:12: error: 'std::atexit' has
not been declared
  using std::atexit;
             ^~~~~~
.../8.2.0/include/c++/8.2.0/stdlib.h:40:12: error: 'std::exit' has not
been declared

.......... a lot more on std::xxxx not declared errors ........


I try it on IBM power8 and X86_64 both produced the similar errors on
cxa_aux_runtime.cpp

Any advice to fix the issue? Many thanks in advance!


Happy New Year!

Shelton
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