dev-lang/tk-8.4.11-r1 configure: error: tcl: invalid feature name I guess this is related to such checks in ./configure: if test -n "`echo $ac_feature| sed 's/[-_a-zA-Z0-9]//g'`"; then These will not work correctly with Estonian locales (et_EE), because the Estonian alphabet does not end with Z, but with Y: abcdefghijklmnopqrs
dev-lang/tk-8.4.11-r1 configure: error: tcl: invalid feature name I guess this is related to such checks in ./configure: if test -n "`echo $ac_feature| sed 's/[-_a-zA-Z0-9]//g'`"; then These will not work correctly with Estonian locales (et_EE), because the Estonian alphabet does not end with Z, but with Y: abcdefghijklmnopqrsztuvwõäöüxy Therefore some common English letters like tuvwxy do not fall into the range a-z. To circumvent this, one must set another locale in /etc/env.d/02locales, run "env-update" and "source /etc/profile". Using something like "LC_ALL=C emerge tk" won't work.
*** Bug 120134 has been marked as a duplicate of this bug. ***
it's because the package is using old autotools (2.13) applied the patch used in gcc to 8.4.9 and 8.4.11 ebuilds
