Install Clang 8 in Raspberry Pi and compile C++ programs

.bashrc

# Add to end of your .bashrc file:
export PATH=/usr/local/clang_8.0.0/bin:$PATH
export LD_LIBRARY_PATH=/usr/local/clang_8.0.0/lib:$LD_LIBRARY_PATH

fs_test.cpp

// Build/compile with:
// clang++ -std=c++17 -stdlib=libc++ -Wall -pedantic fs_test.cpp -o fs_test -lc++fs
#include <iostream>
#include <filesystem>

int main() {
    for(auto &file : std::filesystem::recursive_directory_iterator("./")) {
        std::cout << file.path() << '\n';
    }
}