custom build

[David Cake]

At 4:52 AM -0500 24/8/09, Ryan Schmidt wrote:
>On Aug 24, 2009, at 04:19, David Cake wrote:
>
>>	How do I use MacPorts to first download source ready to 
>>install, then make some custom changes, then build?
>>	My actual aim is to add a particular type of decoder to 
>>wireshark that doesn't appear to currently be included (though code 
>>exists), which I am reasonable sure requires building from source. 
>>So the code changes I want to make are unlikely to interact with 
>>anything else in the system.
>
>If you would like to add this capability to the wireshark port, you 
>can use "port edit wireshark" to see the wireshark portfile in your 
>preferred editor, make the necessary changes, and then install the 
>port. If you would like to contribute these changes back to the 
>project, you can attach a diff of your changes to a ticket in the 
>issue tracker.

	That does seem interesting and useful, but what I want to 
know is basically how to make changes to the source, rather than the 
build instructions.
	Cheers
		David