Deprecated tbb::task_scheduler_init replaced with std::thread and tbb::global_control

src/tools/customize.cpp

@@ -5,12 +5,11 @@
 #include "util/meminfo.hpp"
 #include "util/version.hpp"
 
-#include <tbb/task_scheduler_init.h>
-
 #include <boost/filesystem.hpp>
 #include <boost/program_options.hpp>
 
 #include <iostream>
+#include <thread>
 
 using namespace osrm;
 
@@ -39,7 +38,7 @@ return_code parseArguments(int argc,
         //
         ("threads,t",
          boost::program_options::value<unsigned int>(&customization_config.requested_num_threads)
-             ->default_value(tbb::task_scheduler_init::default_num_threads()),
+             ->default_value(std::thread::hardware_concurrency()),
          "Number of threads to use")(
             "segment-speed-file",
             boost::program_options::value<std::vector<std::string>>(