No, but configure will complain about it and recommend --without-mmx.
/ Mirar
Previous text:
2003-10-25 13:37: Subject: mmx.h
Since it doesn't say anything I can only conclude that normal copyright rules apply. We'd have to ask the two authors.
Besides, it's unfortunate that it requires -O. Is it disabled when one compiles with --without-copt?
/ Martin Stjernholm, Roxen IS