From de7f4e168d06695a9eb43f395d5ec5053baa4f1a Mon Sep 17 00:00:00 2001
From: Arne Morten Kvarving <arne.morten.kvarving@sintef.no>
Date: Wed, 17 Jan 2018 15:26:26 +0100
Subject: [PATCH 1/2] fixed: we need to do mpi disabling earlier

if not, prereqs do not see this file, and the option ends
up not being operational for prereqs looking for MPI.
---
 cmake/Modules/OpmInit.cmake    | 7 +++++++
 cmake/Modules/OpmLibMain.cmake | 6 ------
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/cmake/Modules/OpmInit.cmake b/cmake/Modules/OpmInit.cmake
index 832862be6..12da42a6d 100644
--- a/cmake/Modules/OpmInit.cmake
+++ b/cmake/Modules/OpmInit.cmake
@@ -74,3 +74,10 @@ if (USE_VERSIONED_DIR)
 else ()
   set (${project}_VER_DIR "")
 endif ()
+
+# parallel computing must be explicitly enabled
+# This needs to be in OpmInit as prereqs is called before OpmLibMain is included.
+option (USE_MPI "Use Message Passing Interface for parallel computing" OFF)
+if (NOT USE_MPI)
+  set (CMAKE_DISABLE_FIND_PACKAGE_MPI TRUE)
+endif ()
diff --git a/cmake/Modules/OpmLibMain.cmake b/cmake/Modules/OpmLibMain.cmake
index 443c95d77..0e0c5fb0c 100644
--- a/cmake/Modules/OpmLibMain.cmake
+++ b/cmake/Modules/OpmLibMain.cmake
@@ -90,12 +90,6 @@ include (UseOptimization)
 # dependencies, in case they alter the list of warnings
 include (UseWarnings)
 
-# parallel computing must be explicitly enabled
-option (USE_MPI "Use Message Passing Interface for parallel computing" OFF)
-if (NOT USE_MPI)
-	set (CMAKE_DISABLE_FIND_PACKAGE_MPI TRUE)
-endif (NOT USE_MPI)
-
 # parallel programming
 include (UseOpenMP)
 find_openmp (${project})

From 4340691ff87a60384a87d141aa29fcfc4086dd97 Mon Sep 17 00:00:00 2001
From: Arne Morten Kvarving <arne.morten.kvarving@sintef.no>
Date: Wed, 17 Jan 2018 15:56:57 +0100
Subject: [PATCH 2/2] added: handle QuadMath support like MPI

---
 cmake/Modules/OpmInit.cmake | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/cmake/Modules/OpmInit.cmake b/cmake/Modules/OpmInit.cmake
index 12da42a6d..e0f8b93dc 100644
--- a/cmake/Modules/OpmInit.cmake
+++ b/cmake/Modules/OpmInit.cmake
@@ -81,3 +81,10 @@ option (USE_MPI "Use Message Passing Interface for parallel computing" OFF)
 if (NOT USE_MPI)
   set (CMAKE_DISABLE_FIND_PACKAGE_MPI TRUE)
 endif ()
+
+# quadmath must be explicitly enabled
+# This needs to be in OpmInit as prereqs is called before OpmLibMain is included.
+option (USE_QUADMATH "Use high precision floating point library (slow)" OFF)
+if (NOT USE_QUADMATH)
+  set (CMAKE_DISABLE_FIND_PACKAGE_QuadMath TRUE)
+endif ()