How can I tell objdump to emit assembly in Intel Syntax rather than the default AT&T syntax?
objdump
What you're looking for is -M intel. Use it as follows.
-M intel
objdump -M intel -d program_name
If you want Intel mnemonic codes as well (instead of AT&T mnemonic codes), you can use:
objdump -M intel intel-mnemonic -D <program's-object-file>