From fcb5d3dd824700cfe78f0741e98fcc6949481d17 Mon Sep 17 00:00:00 2001
From: Arne Morten Kvarving <arne.morten.kvarving@sintef.no>
Date: Tue, 8 Jun 2021 15:20:59 +0200
Subject: [PATCH] SimulatorTimer: avoid boost includes in headers

---
 opm/simulators/timestepping/SimulatorTimer.cpp | 9 ++++++---
 opm/simulators/timestepping/SimulatorTimer.hpp | 4 +++-
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/opm/simulators/timestepping/SimulatorTimer.cpp b/opm/simulators/timestepping/SimulatorTimer.cpp
index b2a5fdd42..273fd0805 100644
--- a/opm/simulators/timestepping/SimulatorTimer.cpp
+++ b/opm/simulators/timestepping/SimulatorTimer.cpp
@@ -24,6 +24,9 @@
 #include <ostream>
 #include <numeric>
 
+#include <boost/date_time/gregorian_calendar.hpp>
+#include <boost/date_time/posix_time/conversion.hpp>
+
 namespace Opm
 {
 
@@ -31,7 +34,7 @@ namespace Opm
     SimulatorTimer::SimulatorTimer()
         : current_step_(0),
           current_time_(0.0),
-          start_date_(2012,1,1)    // A really arbitrary default starting value?!
+          start_date_(std::make_shared<boost::gregorian::date>(2012,1,1))    // A really arbitrary default starting value?!
     {
     }
 
@@ -58,7 +61,7 @@ namespace Opm
         }
 
         setCurrentStepNum(report_step);
-        start_date_ = boost::posix_time::from_time_t(schedule.getStartTime()).date();
+        *start_date_ = boost::posix_time::from_time_t(schedule.getStartTime()).date();
     }
 
     /// Whether the current step is the first step.
@@ -108,7 +111,7 @@ namespace Opm
 
     boost::posix_time::ptime SimulatorTimer::startDateTime() const
     {
-        return boost::posix_time::ptime(start_date_);
+        return boost::posix_time::ptime(*start_date_);
     }
 
 
diff --git a/opm/simulators/timestepping/SimulatorTimer.hpp b/opm/simulators/timestepping/SimulatorTimer.hpp
index 753041ddf..8f5b1cc72 100644
--- a/opm/simulators/timestepping/SimulatorTimer.hpp
+++ b/opm/simulators/timestepping/SimulatorTimer.hpp
@@ -26,6 +26,8 @@
 #include <iosfwd>
 #include <vector>
 
+namespace boost { namespace gregorian { class date; } }
+
 namespace Opm
 {
 
@@ -122,7 +124,7 @@ namespace Opm
         int current_step_;
         double current_time_;
         double total_time_;
-        boost::gregorian::date start_date_;
+        std::shared_ptr<boost::gregorian::date> start_date_;
     };