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Require TBB 4.4 or newer #23

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4 changes: 2 additions & 2 deletions CMakeLists.txt
Original file line number Diff line number Diff line change
Expand Up @@ -202,7 +202,7 @@ endif()

###############################################################################
# Find TBB
find_package(TBB COMPONENTS tbb tbbmalloc)
find_package(TBB 4.4 COMPONENTS tbb tbbmalloc)

# Set up variables if we're using TBB
if(TBB_FOUND AND GTSAM_WITH_TBB)
Expand Down Expand Up @@ -568,7 +568,7 @@ message(STATUS "==============================================================="

# Print warnings at the end
if(GTSAM_WITH_TBB AND NOT TBB_FOUND)
message(WARNING "TBB was not found - this is ok, but note that GTSAM parallelization will be disabled. Set GTSAM_WITH_TBB to 'Off' to avoid this warning.")
message(WARNING "TBB 4.4 or newer was not found - this is ok, but note that GTSAM parallelization will be disabled. Set GTSAM_WITH_TBB to 'Off' to avoid this warning.")
endif()
if(GTSAM_WITH_EIGEN_MKL AND NOT MKL_FOUND)
message(WARNING "MKL was not found - this is ok, but note that MKL will be disabled. Set GTSAM_WITH_EIGEN_MKL to 'Off' to disable this warning. See INSTALL.md for notes on performance.")
Expand Down