From 3e397bb6ba2854245a10d49a5ee37e1ba9f33f0e Mon Sep 17 00:00:00 2001
From: Weiqun Zhang <WeiqunZhang@lbl.gov>
Date: Wed, 7 Sep 2022 09:13:53 -0700
Subject: [PATCH] Link to cublas when using CUDA and Hypre (#2933)

---
 Src/LinearSolvers/OpenBC/AMReX_OpenBC.cpp | 5 ++---
 Tools/GNUMake/packages/Make.hypre         | 2 +-
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/Src/LinearSolvers/OpenBC/AMReX_OpenBC.cpp b/Src/LinearSolvers/OpenBC/AMReX_OpenBC.cpp
index 778f3ce3830..9e320d7a55f 100644
--- a/Src/LinearSolvers/OpenBC/AMReX_OpenBC.cpp
+++ b/Src/LinearSolvers/OpenBC/AMReX_OpenBC.cpp
@@ -314,12 +314,11 @@ Real OpenBCSolver::solve (const Vector<MultiFab*>& a_sol,
         m_mlmg_2->setVerbose(m_verbose);
         m_mlmg_2->setBottomVerbose(m_bottom_verbose);
         m_mlmg_2->setBottomSolver(m_bottom_solver_type);
-        if (m_bottom_solver_type == BottomSolver::hypre) {
 #ifdef AMREX_USE_HYPRE
+        if (m_bottom_solver_type == BottomSolver::hypre) {
             m_mlmg_2->setHypreInterface(Hypre::Interface::structed);
-#else
-#endif
         }
+#endif
     }
     Vector<MultiFab*> solv_all = a_sol;
     Vector<MultiFab const*> rhsv_all = a_rhs;
diff --git a/Tools/GNUMake/packages/Make.hypre b/Tools/GNUMake/packages/Make.hypre
index 11e0690a67e..d2cc0d7c17a 100644
--- a/Tools/GNUMake/packages/Make.hypre
+++ b/Tools/GNUMake/packages/Make.hypre
@@ -19,5 +19,5 @@ ifdef AMREX_HYPRE_HOME
 endif
 
 ifeq ($(USE_CUDA),TRUE)
-  LIBRARIES += -lcusparse -lcurand
+  LIBRARIES += -lcusparse -lcurand -lcublas
 endif