Optional patching

Paul Schmehl pauls at utdallas.edu
Wed Dec 19 11:03:25 PST 2007

--On Wednesday, December 19, 2007 16:59:37 +0100 Pietro Cerutti <gahr at gahr.ch> 

> Paul Schmehl wrote:
>> Is there a way to include a patch as an option to a port?  I maintain
>> the security/barnyard port.  There's a patch that is necessary for
>> barnyard to work correctly on a 64bit system.  I'm wondering if I can
>> use OPTIONS to make this patch optional if the system is 64 bit, but I'm
>> not sure what the syntax would be inside the if statement.
>> .if defined(WITH_64BIT)
>> do-patch: patchname
>> .endif
> I would do something like (please check the list of 64 bits platforms)
> .if ${ARCH} == "amd64" || ${ARCH} == "ia64" || ${ARCH} == "sparc64"
># apply the patch here
> .endif
>> I assume the patch would have to be in the filesdir but could not be
>> named "patch-foo" or it would always be applied, correct?
> Please check the reply from pav@ for this ;-)

That brings up an interesting question.  Which would be the preferred method? 
To use an OPTION knob?  Or simply apply the patch if the arch matches?  I'm 
thinking the latter.  I've tested the former method, and it works fine.   Does 
it matter which method I use?

Paul Schmehl (pauls at utdallas.edu)
Senior Information Security Analyst
The University of Texas at Dallas

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