Disclaimer: this bug has been filed in a semi-automated manner.
When emerging the package dev-lang/tcl-8.5.10-r1, the following elog messages are displayed:
* PLEASE NOTE: You are compiling tcl-8.5.10 with
* threading enabled.
* Threading is not supported by all applications
* that compile against tcl. You use threading at
* your own discretion.
Such messages should only be displayed when the package is a new install, or when the relevant USE flag is not enabled in the current installed version.
These situations can be checked in the ebuild as follows:
if use threads && ! has_version 'dev-lang/tcl[threads]'; then
See the tracker bug 440214 for more details.
No, we will always warn to tell people that this is a dangerous thing to do and they should reconsider their decision.