True, but for Windows it's no worse than installing some other package manager that isn't installed automatically.
Which is all of them, except for windows update.
Except for if you have Microsoft Visual Studio installed, in which case you probably have a make system, nmake.
Unfortunately, nmake isn't quite compatible with regular Makefiles.
Luckily, there's plenty of resources for how to set up Makefiles so they work for both nmake and cmake.
But since make is so simple, it's been compiled and available for windows for decades,so just shipping it with the makefile for windows is probably simplest.
Which is all of them, except for windows update.
Except for if you have Microsoft Visual Studio installed, in which case you probably have a make system, nmake.
Unfortunately, nmake isn't quite compatible with regular Makefiles.
Luckily, there's plenty of resources for how to set up Makefiles so they work for both nmake and cmake.
But since make is so simple, it's been compiled and available for windows for decades,so just shipping it with the makefile for windows is probably simplest.