[cmake-developers] FindThreads_overhaul topic

[Rolf Eike Beer]

Am Dienstag, 7. Oktober 2014, 10:35:24 schrieb Brad King:
> Eike,
> 
> This fails on a few dashboard machines:
> 
>  http://open.cdash.org/testDetails.php?test=286158250&build=3519076
>  CMake Error at /.../Modules/FindThreads.cmake:207 (add_library):
>    add_library cannot create imported target "CMake::Threads" because
> another target with the same name already exists.
> 
> Instead of using a variable like HAVE_CMAKE_THREADS_TARGET,
> just test for the target.  Look at FindOpenGL for an example:
> 
>  if(OPENGL_FOUND)
>    if(NOT TARGET OpenGL::GL)
>      add_library(OpenGL::GL UNKNOWN IMPORTED)
> 
> > +  add_library(CMake::Threads INTERFACE IMPORTED GLOBAL)
> 
> The imported target should not be GLOBAL.

Both issues should be fixed now.

Eike
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