[cmake-developers] How to cleanly get rid of CMake specific properties?

[Eric Noulard]

Hi all,

I'm pursuing my quest for a better CPack doc.
First set of modifications are in master:
 cpack --help-command-xxx
 cpack --help-variable-xxx
works.

However variables are somehow "problematic" because I get all the
properties defined for CMake in the doc because variables are a
special kind of properties.

CPack (or CTest) is using a instance of cmake object which does:

this->InitializeProperties();

in its constructor....
so that I end up with a lot more properties in "full doc"
i.e. in
cpack --help-full

Than I thought I shall.
Now there is two options:

1) Avoid InitializeProperties(); in cmake object constructor and do
that elsewhere
    for CMake and nowhere for CTest and CPack.

2) Let CTest and CPack keep the CMake inherited properties and filter out
    the unwaned CMake specific section in the doc.

1) is definitely easier but raise a question:
    Do CTest and CPack NEED the cmake property definition?
    Is this a wanted behavior or just an oversight?
    i.e. is set_property(...) supposed to work in a ctest or cpack
loaded script?

2) is doable but require more work.

in the same way should the "standard" variable doc section be inherited
from CMake to CTest/CPack?

try (I know it's not supposed to work but nevertheless):
ctest --help-variable-list

and you'll see what I mean.

-- 
Erk
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