fix: Boost warnings due to deprecations (#880)

This fixes some changed / moved / deprecated boost
headers. Functionality stays the same

* add a workaround for boost 1.71.0 which we have on ubuntu 20.04
* add type def

Examples/Run/MagneticField/BFieldAccessExample.cpp

@@ -18,7 +18,16 @@
 #include <string>
 
 #include <boost/program_options.hpp>
+
+#if ((BOOST_VERSION / 100) % 1000) <= 71
+// Boost <=1.71 and lower do not have progress_display.hpp as a replacement yet
 #include <boost/progress.hpp>
+using progress_display = boost::progress_display;
+#else
+// Boost >=1.72 can use this as a replacement
+#include <boost/timer/progress_display.hpp>
+using progress_display = boost::timer::progress_display;
+#endif
 
 /// The main executable
 ///
@@ -42,7 +51,7 @@ void accessStepWise(const Acts::MagneticFieldProvider& bField,
   auto bCache = bField.makeCache(bFieldContext);
   // boost display
   size_t totalSteps = events * theta_steps * phi_steps * access_steps;
-  boost::progress_display show_progress(totalSteps);
+  progress_display show_progress(totalSteps);
   // the event loop
   // loop over the events - @todo move to parallel for
   for (size_t ievt = 0; ievt < events; ++ievt) {
@@ -83,7 +92,7 @@ void accessRandom(const Acts::MagneticFieldProvider& bField,
 
   // initialize the field cache
   auto bCache = bField.makeCache(bFieldContext);
-  boost::progress_display show_progress(totalSteps);
+  progress_display show_progress(totalSteps);
 
   // the event loop
   // loop over the events - @todo move to parallel for

Tests/UnitTests/Core/MagneticField/MagneticFieldInterfaceConsistencyTests.cpp

@@ -9,7 +9,7 @@
 /// @file MagneticFieldInterfaceConsistencyTests.cpp
 
 #include <boost/test/data/test_case.hpp>
-#include <boost/test/floating_point_comparison.hpp>
+#include <boost/test/tools/floating_point_comparison.hpp>
 #include <boost/test/unit_test.hpp>
 
 #include "Acts/Definitions/Algebra.hpp"