Correction for the fix for Bug 3508 - Persistent storage support breaks Linux compatibility.
A 2nd `make install' will fail attempting to create symlink libnvmemmory.so already created by 1st install.
Install should pre-emptively delete it.
python_icon.exe: py.res empty.obj
link /out:python_icon.exe /machine:x86 /subsystem:windows py.res empty.obj
py.res: py.ico pyc.ico pycon.ico icons.rc
rc /fo py.res icons.rc
empty.obj: empty.c
cl /c empty.c