VMOD havoc generating patch

[Poul-Henning Kamp]

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In message <CABoVN9BOLePiYW3tVLVj1vK6fOn23YkHw2znpCTvf936sL7Tcw at mail.gmail.com>, Dridi Boukelmoune writes:
>On Mon, Jan 28, 2019 at 1:55 PM Poul-Henning Kamp <phk at phk.freebsd.dk> wrote:

>I waited until my weekly CI against master would choke on this change,
>and it's very easy to support both before and after if your baseline
>is 6.0, which is more than fine since 4.1 only has a couple months to
>live:
>
>    #include "vcc_$VMOD_if.h"
>
>    /* Varnish < 6.2 compat */
>    #ifndef VPFX
>     #define VPFX(a) vmod_ ## a
>     #define VARGS(a) vmod_ ## a ## _arg
>     #define VENUM(a) vmod_enum_ ## a
>    #endif
>
>I didn't try on a vmod with a $Prefix stanza, but I'm sure it can be
>helped if that snippet is not enough.

Yes, that would go a long way towards compatibility.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.