From 13bc2f8a021316d38be0c0fcaa93aa177e214d86 Mon Sep 17 00:00:00 2001
From: Marc Fehling <mafehling.git@gmail.com>
Date: Wed, 16 Dec 2020 18:59:51 -0700
Subject: [PATCH] Added missing header for boost 1.75.0.

---
 include/deal.II/base/bounding_box.h | 3 +++
 include/deal.II/base/config.h.in    | 7 +++++++
 2 files changed, 10 insertions(+)

diff --git a/include/deal.II/base/bounding_box.h b/include/deal.II/base/bounding_box.h
index c842c8796a..937783de0e 100644
--- a/include/deal.II/base/bounding_box.h
+++ b/include/deal.II/base/bounding_box.h
@@ -26,6 +26,9 @@
 DEAL_II_DISABLE_EXTRA_DIAGNOSTICS
 #include <boost/geometry/algorithms/envelope.hpp>
 #include <boost/geometry/geometries/multi_point.hpp>
+#if DEAL_II_BOOST_VERSION_GTE(1, 75, 0)
+#  include <boost/geometry/strategies/envelope/cartesian.hpp>
+#endif
 DEAL_II_ENABLE_EXTRA_DIAGNOSTICS
 
 DEAL_II_NAMESPACE_OPEN
diff --git a/include/deal.II/base/config.h.in b/include/deal.II/base/config.h.in
index df9b8bad0b..205c5e6952 100644
--- a/include/deal.II/base/config.h.in
+++ b/include/deal.II/base/config.h.in
@@ -238,6 +238,13 @@
 #define DEAL_II_BOOST_VERSION_MINOR @Boost_MINOR_VERSION@
 #define DEAL_II_BOOST_VERSION_SUBMINOR @Boost_SUBMINOR_VERSION@
 
+#define DEAL_II_BOOST_VERSION_GTE(major,minor,subminor) \
+ ((DEAL_II_BOOST_VERSION_MAJOR * 100000 + \
+    DEAL_II_BOOST_VERSION_MINOR * 100 + \
+     DEAL_II_BOOST_VERSION_SUBMINOR) \
+    >= \
+    (major)*100000 + (minor)*100 + (subminor))
+
 /*
  * Gmsh:
  */
-- 
2.39.5