[CMake] threads and math lib, status

[Prakash Punnoor]

Hi,

Andy Cedilnik schrieb:
> Set CMAKE_REQUIRED_LIBRARIES before running the macro. This variable 
> should be set to the list of variables you want to link in.

Could you elaborate? I didn't find this in the man. What happens uising
this var? Actually I don't understand why it should answer my question.
The threads packge doesn't know about MorphOS, so how should this help?


> UNIX is set on Darwin.

Well if I then just check for Unix and then include the math lib,
wouldn't that lead to trouble? I don't have practical experience with
Darwin, I am just concluding from the old configure file. There it seems
Darwin doesn't need to include a math file and I don't know whether it
breaks if you try to.

Cheers,

PRakash


> Prakash Punnoor wrote:
> 
>>Hi,
>>
>>I found this from 2003:
>>
>>http://public.kitware.com/pipermail/cmake/2003-September/004262.html
>>
>>I wonder what is the current status. I want to clean up my CMake project
>>file which currently detects stuff onits own. I scanned throught the
>>Threads package whcih basically does what I need - missing one thing: Do
>>you support MorphOS? OpenAL at east did it. Though we are considering
>>dropping it, it currently is still supported. We test for the threads
>>lib this way (adjusted to cmake for my needs):
>>
>>CHECK_INCLUDE_FILE(dlfcn.h MOSTHREAD_AVAILABLE)
>>
>>Libs don't seem to be linked to explicitly.
>>
>>In the old thread Brad said one could link to libm on Unix and Windows
>>doesn't need it. What about Darwin? Does it need libm? Currently OpenAL
>>checks whether libm exists on Darwin but if not, it doesn't care,
>>either, whereas on Unixes it errors out. Is Unix defined on Darwin?
>>AFAIK it is BSD based.
>>
>>Cheers,
>>
>>Prakash
>>  
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>>
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> 
> 
> 
> 

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