Fix OpenMP on macOS

PointCloudLibrary · Sep 20, 2024 · 44d3154 · 44d3154
1 parent 3b44145
commit 44d3154
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -287,6 +287,13 @@ endif()
 # OpenMP (optional)
 option(WITH_OPENMP "Build with parallelization using OpenMP" TRUE)
 if(WITH_OPENMP)
+  if(APPLE)
+    set(OpenMP_C_FLAGS "-Xpreprocessor -fopenmp -I/usr/local/opt/libomp/include")
+    set(OpenMP_C_LIB_NAMES "omp")
+    set(OpenMP_CXX_FLAGS "${OpenMP_C_FLAGS}")
+    set(OpenMP_CXX_LIB_NAMES "${OpenMP_C_LIB_NAMES}")
+    set(OpenMP_omp_LIBRARY "/usr/local/opt/libomp/lib/libomp.dylib")
+  endif()
   find_package(OpenMP COMPONENTS C CXX)
 endif()
 if(OpenMP_FOUND)