This is a C++ project to scaffold simplest possible C++ projects.
Note
Tested with gcc 16.1.1 and cmake 4.4.0
It's a simple single-file C++ project, so installation is trivial:
g++ -std=c++23 -O3 -DNDEBUG -s -flto src/main.cpp -o cppnew && \
install -Dm755 cppnew ~/.local/bin/cppnew