Hi! Please find attached qtgui-5.14.0.ebuild. Added patch qt-5.12-gcc-avx2.patch to the ebuild since it wasn't working due to bug #699148. Should work fine now
Created attachment 600070 [details] qtgui-5.14.0.ebuild Added patch qt-5.12-gcc-avx2.patch
*** This bug has been marked as a duplicate of bug 672946 ***
Thanks for reporting, re-applied.