On 2024/09/20 14:10, Stuart Cassoff wrote:
> With Tcl, it's always been possible to do that; Tcl is not Python or whatever.
> This sort of backwards compatibility exists with/is a feature of Tcl.
except togl is seemingly touching Tk internals rather than public
interfaces so that is perhaps not reliable.
> Extensions built against 8.5 should be able to be loaded into 8.6 without problem.
> Certainly worth trying, imo.
togl uses TkWindow structs which are one of the things which changed
between 8.5 and 8.6 in tkInt.h. Though I guess it might get lucky as the
added members in this struct were at the end (and it doesn't seem to use
one of the structs where there were bigger changes like TkDisplay) ...
> Stu
>
>
> On Friday, September 20, 2024 at 09:29:54 a.m. EDT, Stuart Henderson <stu@spacehopper.org>
> wrote:
>
>
> On 2024/09/20 12:43, Stuart Cassoff wrote:
>
> > Private files aren't meant to be installed. They're in the 8.5 package mostly for historical
> > reasons or older ports.
> > Instead of using MODULES you could try setting BUILD_DEPENDS for 8.5 and WANTLIB and
> > RUN_DEPENDS for 8.6.
> > Something like that, maybe other vars as well.
>
>
> That (building against private headers for an old Tk version which isn't
> the version running the extension) seems like a worse idea than building
> against current version private headers (whether they come from a :patch
> target or from the package).
>
>
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