I don't think this bug is relevant because the author of FreeArc explicity says that a 64-bit version is a to be done in the future, so it's not a packaging issue, the source-code needs to be modified
I don't think this bug is relevant because the author of FreeArc explicity says that a 64-bit version is a to be done in the future, so it's not a packaging issue, the source-code needs to be modified