[CMake] Support for multiple components in cpack (reloaded)

[Eric Noulard]

2010/8/22 Rolf Eike Beer <eike at sf-mail.de>:
> Am Saturday 21 August 2010 schrieb Eric Noulard:
>
>> They change the number and the contents of the generated packages:
>>     3.a) CPACK_COMPONENTS_ALL_GROUPS_IN_ONE_PACKAGE=1
>>           means you want to get a single package whose content
>>           is the merge of all components GROUPS
>>
>>     3.b) CPACK_COMPONENTS_ALL_IN_ONE_PACKAGE=1
>>            means you want to get a single package whose content
>>            is the merge of all COMPONENTS
>>
>>      3.c) CPACK_COMPONENTS_IGNORE_GROUPS
>>            means you want to get 1 package per COMPONENT
>>            (the default is 1 package per GROUP)
>
> AFAICS those are exlusive, so why don't you use a single variable with 3
> different values that prints a big fat warning if it is set to anything else to
> make error detection easier?

Yes they are exclusive.
I think the main reason for separate variables is because its "usually" the way
it works with CPack/CMake there are more toggle var 0/1 than switches
values vars.

But this is a good point what do you suggest:

CPACK_COMPONENTS_GROUPING
with possible values:
   ALL_GROUP_IN_ONE
   ALL_COMPONENT_IN_ONE
   IGNORE_GROUP

-- 
Erk
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