v2.2.19
Allow turning debugging output on/off at runtime via env variables.
port new env-var controlled debug output to windows.
Updates from lessons converting omsa. -- CXXFLAGS/CFLAGS -> CPPFLAGS Remove all preprocessor directives from CXXFLAGS/CFLAGS and put them in CPPFLAGS. -- add -Wl,-as-needed flag with option to disable for older OS -- add libsmbios pkg-config for c++ lib
add common/ include directory and move defines like dbg_print, FSEEK, etc to them so we dont pollute other users namespaces.