message: Correct way to compare version numbers
diff: @@ -179,7 +179,7 @@ set (ISPC_TARGETS
  avx512knl-i32x16
  avx512skx-i32x16
  generic-1 generic-4 generic-8 generic-16 generic-32 generic-64)
  -if (${LLVM_VERSION_NUMBER} GREATER_EQUAL "8.0.0")
  +if (${LLVM_VERSION_NUMBER} VERSION_GREATER_EQUAL "8.0.0")
  list(APPEND ISPC_TARGETS avx512skx-i32x8)
  endif()
  