master
Add NMake Makefiles for Visual Studio builds
Make builtin option independant from runtime one
fix syntax error of config-msvc.mak.in
Unconditionally use psl_strdup instead of strdup
NMake builds: Include Visual Studio version in output dir
NMake Makefiles: Support Visual Studio 2022 better
msvc/*.py: Let main() return 0
Fix some issues found by lgtm.com