HP aC++/HP ANSI C Release Notes (B3901-90037; A.06.26; September 2011)

+O[no]report
This option is useful only on PA-RISC systems.
+df
This is an option used on PA-RISC systems, and is replaced by
+Oprofile=use[:filename].
+ES[no]lit
This is an option used on PA-RISC systems, and is replaced by +Olit=all /
+Olit=none.
+M[d] / +m[d]
These are options used in PA-RISC aC++, and are replaced by the longer +Make[d]
and +make[d] forms to prevent confusion with the unrelated previous +m in HP C.
+O[no]all
This option was deprecated earlier.
+O[no]conservative
This option was deprecated earlier.
+O[no]extern
This option was deprecated earlier, and is replaced by the consistent -B binding
family: -Bextern[=list]
+O[no]volatile
This option was deprecated earlier. The volatile keyword must be used as appropriate
in the source.
+A
This is an option used on PA-RISC systems, and is an error on Integrity machines.
12 What’s new in this version