Re: [TCLCORE] Adding a "zipfs" tag to the build-info command

[<apn...@ya...>]

Thanks Harald. Also, I see other tags are present that are not mentioned in any TIP so presumably no TIP required for this.

As an aside, zipfs is actually a misnomer as zipfs support and command is *always* present. The --disable-zipfs does not remove the functionality, it only disables the embedding of the zip file. I'll also use no-zipfs to be consistent with that.

/Ashok

-----Original Message-----
From: Harald Oehlmann <har...@el...> 
Sent: Thursday, August 7, 2025 12:43 AM
To: apn...@ya...; apnmbx-public--- via Tcl-Core <tcl...@li...>
Subject: Re: [TCLCORE] Adding a "zipfs" tag to the build-info command

As Jan explained to me, the tags are extensable by nature.
But I don't see this in TIP599, as it says "may be extended in future".

As the "normal" value is no tag, you may add the tag "no-zfs", as "no-threads".

Take care,
Harald

> apnmbx-public--- via Tcl-Core <tcl...@li...> hat am 06.08.2025 19:35 CEST geschrieben:
> 
> 
> I would like to add a “zipfs” tag to the {tcl,tk}::build-info command (TIP 599) that would indicate if the {tcl,tk}_library was embedded as a zip file into the binary. Does this require a TIP? I would hope not given that the TIP suggests third-parties could add their own tags.
> 
> The primary use is in the test suite. Based on my manual testing, it is my belief that the Tk test suite actually never tests the embedded zip at all as it sets the TK_LIBRARY environment variable. Further, on macOS I *think* based on github CI logs, even tclsh zipfs builds fail to find the embedded ZIP and instead land up using the init.tcl found by searching up the directory hierarchy.
> 
> The tag would help detect such cases, for example, by checking the value of $tcl_library corresponds to the expected result if the zipfs tag was present.
> 
> (all this is based on my not being aware of any way to check at runtime if the build was configured with –enable-zipfs or –disable-zipfs. If someone can identify a method for this, the tag may not be needed)
> 
> /Ashok
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