diff --git a/‎cmake/Codegen.cmake
Lines changed: 5 additions & 2 deletions b/‎cmake/Codegen.cmake
Lines changed: 5 additions & 2 deletions
@@ -414,8 +414,11 @@ if(INTERN_BUILD_ATEN_OPS)
       endif(MSVC)
 
       # Only parallelize the SortingKernel for now to avoid side effects
-      if(${NAME} STREQUAL "native/cpu/SortingKernel.cpp" AND NOT MSVC AND USE_OMP)
-        string(APPEND EXTRA_FLAGS " -D_GLIBCXX_PARALLEL")
+      if(${NAME} STREQUAL "native/cpu/SortingKernel.cpp" AND NOT MSVC AND USE_OPENMP)
+        set(EXTRA_FLAGS "${EXTRA_FLAGS} -D_GLIBCXX_PARALLEL")
+        if(USE_PRECOMPILED_HEADERS)
+          set_source_files_properties(${NEW_IMPL} PROPERTIES SKIP_PRECOMPILE_HEADERS ON)
+        endif()
       endif()
 
       # Disable certain warnings for GCC-9.X