Craig A. Berry wrote: > At 9:56 AM -0500 1/8/06, John E. Malmberg wrote: > >> Tru64 and OpenVMS share the same compiler with many of the same defaults. > > True. > >> Currently for OpenVMS, ANSI aliasing is active. > > Actually, we explicitly turn it off in configure.com: > > $ IF Dec_C_Version .GE. 60200000 .AND. archname .NES. "VMS_VAX" > $ THEN > $ echo4 "adding /NOANSI_ALIAS qualifier to ccflags." > $ ccflags = ccflags + "/NOANSI_ALIAS" > $ ENDIF > > The last time this came up, which was maybe five years ago, we had to > do this because the sources were nowhere near being in compliance > with the ANSI aliasing rules. Whether we are any closer now or not I > don't know.
The warning I showed was the only spot Tru64 cc warned about. But I think the "OO-in-C" that Perl is coded in practically guarantees that C aliasing rules cannot be applied.
