HelloWorld/makefile

linux-artifact-name = hello-linux.out
win-artifact-name = hello-windows.exe

linux-compiler = g++

# Embed c and c++ libraries (see https://stackoverflow.com/a/6405064)
win-compiler = i686-w64-mingw32-g++-win32 -static-libstdc++ -static-libgcc

$(linux-artifact-name): main.cpp
	$(linux-compiler) main.cpp -o $(linux-artifact-name)

$(win-artifact-name): main.cpp
	$(win-compiler) main.cpp -o $(win-artifact-name)

clean:
	rm $(linux-artifact-name) $(win-artifact-name)