MacOS install issues: version conflict for package "Tk": have 9.0.3, need 8.1.1
Hi, I am trying to help a friend install Therion in a Mac. After following the instructions available at https://github.com/ladislavb/homebrew-therion, when trying to run xtherion as instructed we are getting the following error: % xtherion Error in startup script: version conflict for package "Tk": have 9.0.3, need 8.1.1 while executing "package require Tk 8.1.1" ("package ifneeded BWidget 1.9.1" script) invoked from within "package require BWidget" (file "/opt/homebrew/bin/xtherion" line 12915) I have already applied the TK version and BWidget fixes mentioned at https://github.com/ladislavb/homebrew-therion but the issue remains. Any ideas? Regards, Rodrigo
Hi Rodrigo, Try to revert the BWidget Solution/Workaround (remove the symlink) and instead install bwidget with brew. I have tcl-tk=9.0.3 and bwidget=1.10.1 installed with brew and that works with xtherion. Cheers, Thomas On Tue, Jan 13, 2026 at 9:18 PM Rodrigo Severo via Therion <therion@speleo.sk> wrote:
Hi,
I am trying to help a friend install Therion in a Mac. After following the instructions available at https://github.com/ladislavb/homebrew-therion, when trying to run xtherion as instructed we are getting the following error:
% xtherion Error in startup script: version conflict for package "Tk": have 9.0.3, need 8.1.1 while executing "package require Tk 8.1.1" ("package ifneeded BWidget 1.9.1" script) invoked from within "package require BWidget" (file "/opt/homebrew/bin/xtherion" line 12915)
I have already applied the TK version and BWidget fixes mentioned at https://github.com/ladislavb/homebrew-therion but the issue remains.
Any ideas?
Regards,
Rodrigo
_______________________________________________ Therion mailing list Therion@speleo.sk https://mailman.speleo.sk/listinfo/therion
Hi Thomas, Thanks for the tip. It worked. Regards, Rodrigo On Tuesday, January 13th, 2026 at 6:30 PM, Thomas Holder <thomas@thomas-holder.de> wrote:
Hi Rodrigo,
Try to revert the BWidget Solution/Workaround (remove the symlink) and instead install bwidget with brew. I have tcl-tk=9.0.3 and bwidget=1.10.1 installed with brew and that works with xtherion.
Cheers, Thomas
On Tue, Jan 13, 2026 at 9:18 PM Rodrigo Severo via Therion therion@speleo.sk wrote:
Hi,
I am trying to help a friend install Therion in a Mac. After following the instructions available at https://github.com/ladislavb/homebrew-therion, when trying to run xtherion as instructed we are getting the following error:
% xtherion Error in startup script: version conflict for package "Tk": have 9.0.3, need 8.1.1 while executing "package require Tk 8.1.1" ("package ifneeded BWidget 1.9.1" script) invoked from within "package require BWidget" (file "/opt/homebrew/bin/xtherion" line 12915)
I have already applied the TK version and BWidget fixes mentioned at https://github.com/ladislavb/homebrew-therion but the issue remains.
Any ideas?
Regards,
Rodrigo
_______________________________________________ Therion mailing list Therion@speleo.sk https://mailman.speleo.sk/listinfo/therion
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Thomas Holder