Jan Dubois wrote:
>
> should be written more general like this:
>
> /* ActivePerl build 822 still identifies itself as 5.8.8 but
> * already contains many of the changes from the upcoming
> * Perl 5.8.9 release.
> */
> #if (ACTIVEPERL_VERSION >= 822)
> # define PERL589_OR_LATER
> #endif
> #if (PERL_REVISION == 5) && (PERL_VERSION == 8) && (PERL_SUBVERSION >= 9)
> # define PERL589_OR_LATER
> #endif
> #if (PERL_REVISION == 5) && (PERL_VERSION >= 10))
> # define PERL589_OR_LATER
> #endif
>
> And then later you just check for PERL589_OR_LATER
>
> #ifdef PERL589_OR_LATER
> ...
> #endif
Your suggestions were incorporated in if_perl.xs, but older
versions of perl define
#define ACTIVEPERL_VERSION "Built " __DATE__ " " __TIME__
and compilers complain about the test to compare
ACTIVEPERL_VERSION with a number.
One would use eq in perl, but this is C pre-processing -- how
could one check if ACTIVEPERL_VERSION >= 822?
Thanks,
--Suresh
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