Alter an ELF file’s ABI compatibility identity on FreeBSD.
# These alters ELF binary header and mark them
# as 32-bit and 64-bit binary respectively. Under
# GNU/Linux, these binaries will run just fine,
# however a strict interpreter or future implementations
# may override this.
markelf <file> -c
markelf <file> -cb
# Same as above, except this alters the ELF OS
# ABI. This feature is similar to brandelf.
markelf <file> -t linux
# or
markelf <file> -t 3