<include>directory1 <include>... <include>directoryN
disabled - <debug-symbols>off (This is the default.) C7 compatible - <debug-symbols>on Line Numbers Only - Not supported Program Database (PDB) - <debug-symbols>on <debug-store>database PDB for Edit&Continue - Not supported
Note that this is controlled by the variant specified, so you don't normally need to be concerned with its value.
Yes/No? -- BBv2 always has this set to yes.
N=0 (off) -- <warnings>off N=1 -- Not supported N=2 -- Not supported N=3 -- <warnings>on N=4 -- <warnings>all
NOTE: <warnings> defaults to all by default, whereas the IDE defaults to N=3 (<warnings>on) by default.
VC6 does not have this setting, so it won't pick up the flag.
<warnings>on or <warnings>off
<warnings-as-errors>off (This is the default).