Fix repeated calls to FindTBB in module mode.

fixes #6355
2021-12-16 10:56:59 +01:00 · 2021-12-16 10:56:59 +01:00 · eddcebf929
commit eddcebf929
parent 030f460114
1 changed files with 1 additions and 1 deletions
--- a/cmake/modules/FindTBB.cmake.in
+++ b/cmake/modules/FindTBB.cmake.in
@ -293,7 +293,7 @@ if(NOT TBB_FOUND)
  # Create targets
  ##################################

-  if(NOT CMAKE_VERSION VERSION_LESS 3.0 AND TBB_FOUND)
+  if(NOT CMAKE_VERSION VERSION_LESS 3.0 AND TBB_FOUND AND NOT TARGET TBB::tbb)
    add_library(TBB::tbb UNKNOWN IMPORTED)
    set_target_properties(TBB::tbb PROPERTIES
          INTERFACE_COMPILE_DEFINITIONS "${TBB_DEFINITIONS}"