On 1/2/2013 6:54 PM, Mike Gilbert wrote:
> On 1/2/2013 6:41 PM, Pacho Ramos wrote:
>> What is the purpose of this stuff:
>> if [[ ${___ECLASS_ONCE_EUTILS} != "recur -_+^+_- spank" ]] ; then
>> ___ECLASS_ONCE_EUTILS="recur -_+^+_- spank"
>>
>> and similar in some eclasses (like eutils, multilib) but not others
>> (like python-single-r1 that I was looking some days ago for learning how
>> to use it)?
>>
>> Thanks a lot for the info
>
> It prevents eclasses from being sourced more than once. It is meant as a
> performance enhancement for when eclasses inherit other eclasses. vapier
> posted some stats on this list a while back.
>
> We have a similar thing in python-single-r1. We call it
> _PYTHON_SINGLE_R1 and assign a value of 1 at the bottom of the eclass.
> Here's the thread. http://archives.gentoo.org/gentoo-dev/msg_18dab542c1c59873f8cb68c96cdf6619.xml
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