From Fedora Project Wiki
x86-64 Special Interest Group
The purpose of the Fedora x86-64 SIG is to help fix any and all x86-64 related bugs in Fedora packages.
Common Issues and Solutions
- Pointer / int problems: on x86_64, pointers are long, not int. See #158646 for an example of how to solve this problem.
- Document typical x86_64 problems and ways of dealing with them