what's the equiv of PERL_PATCHLEVEL in the public defines API?

[Stas Bekman <st...@stason.org>]

In mod_perl 2.0 we had to patch the 5.8.0's bug related to crypt_r. Similar to 
this patch http://mirrors.develooper.com/perl/APC/perl-current-diffs/17775.gz. 
However the recent changes #19119 (maint) and #19122 (blead) broke mod_perl 
2.0's build. So we need to put something like:

#if PERL_PATCHLEVEL < 17775
   /* bug workaround */
#endif

since it's not needed after 17775, and we shouldn't care about recent 
modification and provide new workarounds, while all we need is to know how to 
check the patch level.

However PERL_PATCHLEVEL is not in the public API headers. What's the 
equivalent that can be used in the C code?

Config.pm seems to include it, but none of the installed .h files does.

Thanks.

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Re: what's the equiv of PERL_PATCHLEVEL in the public defines API?

[Rafael Garcia-Suarez <rg...@free.fr>]

Stas Bekman wrote:
> However PERL_PATCHLEVEL is not in the public API headers. What's the 
> equivalent that can be used in the C code?
> 
> Config.pm seems to include it, but none of the installed .h files does.

Config's perl_patchlevel is read from patchlevel.h (by looking for a
string that matches /DEVEL\d+/).
patchlevel.h is updated by the pumpking at snapshot generation time.
Unfortunately its value is not available at cpp-time.
HTH,
-- 
Unacceptable is not *NIX

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