Portable Linux Binaries - GLIBC Hell

CMakeLists.txt

cmake_minimum_required(VERSION 3.9)
project(Simple_Cmake_Project)

set(CMAKE_CXX_STANDARD 17)     
set(CMAKE_VERBOSE_MAKEFILE ON)

#========== Targets Configurations ============#
        add_executable( filesys filesys.cpp )
 target_link_libraries( filesys stdc++fs)

Dockerfile

# $ docker run -it --rm -v $PWD:/work -w /work phusion/holy-build-box-64:latest bash 
FROM phusion/holy-build-box-64:latest

ENTRYPOINT [ "/hbb_exe/activate-exec", "bash"  ]

filesys.cpp

#include <iostream>
#include <string>
#include <iterator>
#include <iomanip>
#include <filesystem>

namespace fs = std::filesystem;

template<typename Range, typename Function>
auto dotimes(size_t n, Range&& iterable, Function fun)
{
	size_t i = 0;
	auto it = fs::begin(iterable);
	auto end = fs::end(iterable);
	while(i < n && it != end ){
		fun(it);
		++it;
		i++;
	}
}

int main(){
	
     std::cout << std::boolalpha;
     std::cout << "\n ===== Listing directory /etc =====" << std::endl;
     // Show first 10 files of directory /etc 
     dotimes(10, fs::directory_iterator("/etc"),
	     [](auto p){
		     auto path = p->path();
		     std::cout << std::left
			       << std::setw(0) << path.filename().string()
			       << " " << std::setw(35)
			       << std::right << std::setw(40) << path
			       << std::endl;				
	     });		
     return EXIT_SUCCESS;
}

Makefile

build:
	cmake --config Debug -H. -B_build2
	cmake --build _build2 --target 

MuslBuilder.docker

FROM alpine:latest
RUN apk add musl cmake make g++