boost 1.73.0: The practice of declaring the Bind placeholders (_1, _2, ...) in the global namespace is deprecated

src/Mod/ReverseEngineering/App/ApproxSurface.cpp

@@ -30,7 +30,7 @@
 #include <QFuture>
 #include <QFutureWatcher>
 #include <QtConcurrentMap>
-#include <boost/bind.hpp>
+#include <boost/bind/bind.hpp>
 
 #include <Mod/Mesh/App/Core/Approximation.h>
 #include <Base/Sequencer.h>
@@ -40,6 +40,7 @@
 #include "ApproxSurface.h"
 
 using namespace Reen;
+namespace bp = boost::placeholders;
 
 // SplineBasisfunction
 
@@ -1090,7 +1091,7 @@ bool BSplineParameterCorrection::SolveWithSmoothing(double fWeight)
     std::generate(columns.begin(), columns.end(), Base::iotaGen<int>(0));
     ScalarProduct scalar(M);
     QFuture< std::vector<double> > future = QtConcurrent::mapped
-        (columns, boost::bind(&ScalarProduct::multiply, &scalar, _1));
+        (columns, boost::bind(&ScalarProduct::multiply, &scalar, bp::_1));
     QFutureWatcher< std::vector<double> > watcher;
     watcher.setFuture(future);
     watcher.waitForFinished();