[CMake] check function signature

[Leif Walsh]

this works perfectly, thanks

On 25 Sep, 2012, at 9:45 AM, Nils Gladitz <gladitz at sci-vis.de> wrote:

> Maybe you want "check_prototype_definition"?
> 
> Nils
> 
> On 09/25/2012 03:18 PM, Leif Walsh wrote:
>> I use check_function_exists() to do some platform checking.  On Linux, pthread_yield() returns int, and on FreeBSD, it returns void.  Is there a cmake way to distinguish between the two?  check_function_exists seems to not use strict enough warnings to make sure the symbol has the right signature at link time.
> 
> 
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-- 
Cheers,
Leif