[CMake] Second post: find_package with config file always set xyz_FOUND to true?

[Michael Hertling]

On 09/19/2011 07:09 PM, Anton Deguet wrote:
> Hello,
> 
> I haven't heard anything following my previous post.  Is there any chance someone could provide some guidance?
> 
> Sincerely,
> 
> Anton
> 
> On Aug 29, 2011, at 6:02 PM, Anton Deguet wrote:
> 
>> Hello,
>>
>> I am trying to use the following syntax:
>> find_package (xyz REQUIRED xyz1 xyz2) using a config file, i.e. NOT Findxyz.cmake.
>>
>> I have a file named xyz-config.cmake that contains some code to check if the required components are available or not (based on how xyz was compiled).  Ideally I would like the find_package command to set xyz_FOUND to false if:
>> - xyz-config.cmake file is not found (that's working by default)
>> OR
>> - xyz-config.cmake file is found BUT one or more component is missing
>>
>> In my xyz-config.cmake, I tried:
>> - set (xyz_FOUND FALSE)  # overall package not found as required
>> - set (xyz2_FOUND FALSE)  # component not found, hoping find_package would compare this to the list xyz_FIND_COMPONENTS
>>
>> But in all cases, it seems that find_package resets xyz_FOUND to 1 as long as the file xyz-config.cmake is found.  Is there a way to set xyz_FOUND to 0 within xyz-config.cmake?
>>
>> Anton

Second try: http://www.mail-archive.com/cmake@cmake.org/msg37840.html

Regards,

Michael