fix: propagate Tcl library path across Tk-created interpreters #958
+239
−109
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Set `TCL_LIBRARY` around `Tcl_AppInit` so all Tk-created interps can find the packaged Tcl/Tk.
shaanmajid
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Fixes #939
Fixes Tcl/Tk library resolution for tkinter when Tk creates additional interpreters (macOS Aqua path). The main interpreter sets
tcl_library, but Tk-created interpreters don’t inherit it; temporarily settingTCL_LIBRARYaroundTcl_AppInitmakes the path visible to all interpreters.See linked issue for full investigation and MRE to validate fix.