From 12be080e8597b339f2673c2ba84caa64c9ea9516 Mon Sep 17 00:00:00 2001
From: Peter Munch <peterrmuench@gmail.com>
Date: Wed, 20 Jan 2021 18:39:52 +0100
Subject: [PATCH] Compile subdivided_hyper_rectangle_with_simplices even
 without DEAL_II_WITH_SIMPLEX_SUPPORT enabled

---
 include/deal.II/simplex/grid_generator.h | 4 ----
 source/simplex/grid_generator.cc         | 7 +++----
 source/simplex/grid_generator.inst.in    | 4 ----
 3 files changed, 3 insertions(+), 12 deletions(-)

diff --git a/include/deal.II/simplex/grid_generator.h b/include/deal.II/simplex/grid_generator.h
index 2e68f9e1bd..3eaba788c9 100644
--- a/include/deal.II/simplex/grid_generator.h
+++ b/include/deal.II/simplex/grid_generator.h
@@ -27,8 +27,6 @@
 
 DEAL_II_NAMESPACE_OPEN
 
-#ifdef DEAL_II_WITH_SIMPLEX_SUPPORT
-
 namespace GridGenerator
 {
   /**
@@ -77,8 +75,6 @@ namespace GridGenerator
 
 } // namespace GridGenerator
 
-#endif
-
 DEAL_II_NAMESPACE_CLOSE
 
 #endif
diff --git a/source/simplex/grid_generator.cc b/source/simplex/grid_generator.cc
index e17e69e39d..aaed0379d3 100644
--- a/source/simplex/grid_generator.cc
+++ b/source/simplex/grid_generator.cc
@@ -19,8 +19,6 @@
 
 DEAL_II_NAMESPACE_OPEN
 
-#ifdef DEAL_II_WITH_SIMPLEX_SUPPORT
-
 namespace GridGenerator
 {
   template <int dim, int spacedim>
@@ -32,6 +30,9 @@ namespace GridGenerator
     const Point<dim> &               p2,
     const bool                       colorize)
   {
+#ifndef DEAL_II_WITH_SIMPLEX_SUPPORT
+    Assert(false, ExcNeedsSimplexSupport());
+#endif
     AssertDimension(dim, spacedim);
 
     AssertThrow(colorize == false, ExcNotImplemented());
@@ -207,8 +208,6 @@ namespace GridGenerator
   }
 } // namespace GridGenerator
 
-#endif
-
 // explicit instantiations
 #include "grid_generator.inst"
 
diff --git a/source/simplex/grid_generator.inst.in b/source/simplex/grid_generator.inst.in
index 3c855b64ae..b65ed758bb 100644
--- a/source/simplex/grid_generator.inst.in
+++ b/source/simplex/grid_generator.inst.in
@@ -15,8 +15,6 @@
 
 
 
-#ifdef DEAL_II_WITH_SIMPLEX_SUPPORT
-
 for (deal_II_dimension : DIMENSIONS)
   {
     template void GridGenerator::subdivided_hyper_rectangle_with_simplices(
@@ -33,5 +31,3 @@ for (deal_II_dimension : DIMENSIONS)
       const double       p2,
       const bool         colorize);
   }
-
-#endif
-- 
2.39.5