Re: tcllib1.21 and tcl9.0b3

On 14/09/2024 16:57, Paul Obermeier wrote:

Am 14.09.2024 um 01:13 schrieb Alan Grunwald:

How compatible is tcllib 1.21 with tcl9.0b3?
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I've built tcl-9.0b3 and want to see how it plays with my scripts. (OK, more properly that should be "how my scripts play with tcl 9.0b3.)
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I'm testing with a script that includes [package require uri].
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This fails, saying it can't find the package.
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I've dug around a bit and I see that the pkgIndex.tcl in tcllib-1.21 starts with a fast return if
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[package vsatisfies [package provide Tcl] 8]
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returns 0.
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I've changed that to
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[package vsatisfies [package provide Tcl] 8 9]
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and it now gets a couple of lines further down the script where it encounters
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if {(0 == [catch {
     package vcompare [info patchlevel] [info patchlevel]
}]) && (
     [package vcompare [info patchlevel] 8.3.1] >= 0
)} {return}
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and returns.
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I don't understand this line well enough to change it. As far as I can make out,
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     package vcompare [info patchlevel] [info patchlevel]
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will always return 0 and won't throw an exception, so this should always result in a premature return, before all the
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package ifneeded
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commands for the packages withing tcllib are executed.
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However, that argument applies equally to tcl8.6.14, but the same pkgIndex.tcl works just fine on my home-built copy of that.
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It's getting late and I'll have another look tomorrow and see if I can work out what's happening. In the mean time, I'd very much appreciate any help you can provide.

>
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Hi Alan,
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tcllib 1.21 is not Tcl9 ready.
You should try the current trunk of tcllib.
Andreas Kupries committed some more Tcl9 related changes just yesterday.
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Also note, that there is a RC0 candidate of Tcl9 (https://sourceforge.net/projects/tcl/files/Tcl/9.0.0/)
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Paul
>
>

Thanks Paul - I've just spotted a reference to tcllib 2.0 on the wiki; see a message in a sibling thread.
 I think I'll press on with 9.0b3 and hope to get that going happily just before 9.0 hits the streets :-). Where is the tcllib repo?

Alan