workaround: emerge f2c
Steps to Reproduce:
thanks for including a workaround.
I guess you use a very new gcc which only builds the fortran compiler when "f77" is in USE. Not yet sure how to react on this change. For now I will make the ebuild fail with a message about the reason if g77 is not found.
Bug #49284 seems to be related to this one.
*** Bug 50777 has been marked as a duplicate of this bug. ***
Fixed. Read my comment on BUG #50777.