Unikraft stock project helloworld-cpp not compiling

[Malte Münch <mamu@xxxxxxxxxxxxx>]

Hello Unikraft-devs,

i am not able to compile the current 0.4 Verion of Unikraft with the
Hello-World example written in C++. Here is what i tried:

kraft up -m x86_64 -p kvm helloworld-cpp

The process crashes with the following error:

In file included from
/home/pg635/helloworldcpp/build/libcxx/origin/libcxx-7.0.0.src/include/iosfwd:90,
                 from
/home/pg635/helloworldcpp/build/libcxx/origin/libcxx-7.0.0.src/include/ios:215,
                 from
/home/pg635/helloworldcpp/build/libcxx/origin/libcxx-7.0.0.src/include/iostream:38,
                 from /home/pg635/helloworldcpp/helloworld.cpp:1:
/home/pg635/helloworldcpp/build/libcxx/origin/libcxx-7.0.0.src/include/wchar.h:119:15:
fatal error: wchar.h: no such file or directory
 #include_next <wchar.h>
               ^~~~~~~~~

kraft itself works and i am able to compile and run the Helloworld
application written in C.

Looking forward to your replies.

Best
Malte

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