[CMake] find_library and mac os x SDKs

[David Cole]

find_library finds a library. MacOSX10.4u is a directory, not a library.

You just want:
if(EXISTS "/Developer/SDKs/MacOSX10.4u")


On Fri, Mar 26, 2010 at 2:08 PM, Simmons, Aaron
<asimmons at rosettastone.com>wrote:

> When compiled on Mac OS X, my project links against the 10.4 SDK.  This SDK
> is often not installed by default on newer systems (10.6, for example).  I
> would like to put in a check for whether the SDK is present before compiling
> (otherwise the developer gets all kinds of hard-to-understand compile
> errors).
>
> I'm trying to use find_library like this:
>       find_library(sdk MacOSX10.4u PATHS /Developer/SDKs)
>       message("sdk= ${sdk}")
> but the result is
>       sdk= sdk-NOTFOUND
> even on a system where the 10.4 sdk is present.
>
> What am I missing?
>
>
> Thanks,
> aaron
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