From 8071e7b17e299f2592ed324c5dbf62f4b46e270a Mon Sep 17 00:00:00 2001
From: Luca Heltai <luca.heltai@sissa.it>
Date: Mon, 14 Aug 2017 15:13:02 -0600
Subject: [PATCH] Sundials detection mechanism.

---
 cmake/configure/configure_sundials.cmake | 20 ++++++
 cmake/modules/FindSUNDIALS.cmake         | 87 ++++++++++++++++++++++++
 doc/doxygen/options.dox.in               |  1 +
 include/deal.II/base/config.h.in         |  1 +
 4 files changed, 109 insertions(+)
 create mode 100644 cmake/configure/configure_sundials.cmake
 create mode 100644 cmake/modules/FindSUNDIALS.cmake

diff --git a/cmake/configure/configure_sundials.cmake b/cmake/configure/configure_sundials.cmake
new file mode 100644
index 0000000000..aec7794275
--- /dev/null
+++ b/cmake/configure/configure_sundials.cmake
@@ -0,0 +1,20 @@
+## ---------------------------------------------------------------------
+##
+## Copyright (C) 2017 by the deal.II authors
+##
+## This file is part of the deal.II library.
+##
+## The deal.II library is free software; you can use it, redistribute
+## it, and/or modify it under the terms of the GNU Lesser General
+## Public License as published by the Free Software Foundation; either
+## version 2.1 of the License, or (at your option) any later version.
+## The full text of the license can be found in the file LICENSE at
+## the top level of the deal.II distribution.
+##
+## ---------------------------------------------------------------------
+
+#
+# Configuration for the SUNDIALS library:
+#
+
+CONFIGURE_FEATURE(SUNDIALS)
diff --git a/cmake/modules/FindSUNDIALS.cmake b/cmake/modules/FindSUNDIALS.cmake
new file mode 100644
index 0000000000..731d93aec7
--- /dev/null
+++ b/cmake/modules/FindSUNDIALS.cmake
@@ -0,0 +1,87 @@
+## ---------------------------------------------------------------------
+##
+## Copyright (C) 2015-2016 by the deal.II authors
+##
+## This file is part of the deal.II library.
+##
+## The deal2lkit library is free software; you can use it, redistribute
+## it, and/or modify it under the terms of the GNU Lesser General
+## Public License as published by the Free Software Foundation; either
+## version 2.1 of the License, or (at your option) any later version.
+## The full text of the license can be found in the file LICENSE at
+## the top level of the deal.II distribution.
+##
+## ---------------------------------------------------------------------
+
+#
+# Try to find the SUNDIALS libraries
+#
+# This module exports
+#
+#   SUNDIALS_LIBRARIES
+#   SUNDIALS_INCLUDE_DIRS
+#
+
+SET(SUNDIALS_DIR "" CACHE PATH "An optional hint to a SUNDIALS_DIR installation")
+SET_IF_EMPTY(SUNDIALS_DIR "$ENV{SUNDIALS_DIR}")
+
+DEAL_II_FIND_LIBRARY(SUNDIALS_LIB_IDA NAMES sundials_ida
+  HINTS ${SUNDIALS_DIR}
+  PATH_SUFFIXES lib
+  )
+
+DEAL_II_FIND_LIBRARY(SUNDIALS_LIB_KINSOL NAMES sundials_kinsol
+  HINTS ${SUNDIALS_DIR}
+  PATH_SUFFIXES lib
+  )
+
+DEAL_II_FIND_LIBRARY(SUNDIALS_LIB_SER NAMES sundials_nvecserial
+  HINTS ${SUNDIALS_DIR}
+  PATH_SUFFIXES lib
+  )
+
+SET(SUN_INC "${SUNDIALS_DIR}/include")
+
+IF(DEAL_II_WITH_MPI)
+  DEAL_II_FIND_LIBRARY(SUNDIALS_LIB_PAR NAMES sundials_nvecparallel
+    HINTS ${SUNDIALS_DIR}
+    PATH_SUFFIXES lib
+    )
+
+  DEAL_II_PACKAGE_HANDLE(SUNDIALS
+    LIBRARIES REQUIRED
+    SUNDIALS_LIB_IDA
+    SUNDIALS_LIB_KINSOL
+    SUNDIALS_LIB_SER
+    SUNDIALS_LIB_PAR
+    INCLUDE_DIRS
+    REQUIRED SUN_INC
+    USER_INCLUDE_DIRS
+    REQUIRED SUN_INC
+    CLEAR
+    SUNDIALS_LIB_IDA
+    SUNDIALS_LIB_KINSOL
+    SUNDIALS_LIB_SER
+    SUNDIALS_LIB_PAR
+    SUN_INC
+    )
+
+ELSE()
+
+  DEAL_II_PACKAGE_HANDLE(SUNDIALS
+    LIBRARIES REQUIRED
+    SUNDIALS_LIB_IDA
+    SUNDIALS_LIB_KINSOL
+    SUNDIALS_LIB_SER
+    INCLUDE_DIRS
+    REQUIRED SUN_INC
+    USER_INCLUDE_DIRS
+    REQUIRED SUN_INC
+    CLEAR
+    SUNDIALS_LIB_IDA
+    SUNDIALS_LIB_KINSOL
+    SUNDIALS_LIB_SER
+    SUN_INC
+    )
+
+ENDIF()
diff --git a/doc/doxygen/options.dox.in b/doc/doxygen/options.dox.in
index b01d714ecc..4a2ebca021 100644
--- a/doc/doxygen/options.dox.in
+++ b/doc/doxygen/options.dox.in
@@ -186,6 +186,7 @@ PREDEFINED             = DOXYGEN=1 \
                          DEAL_II_WITH_P4EST=1 \
                          DEAL_II_WITH_PETSC=1 \
                          DEAL_II_WITH_SLEPC=1 \
+                         DEAL_II_WITH_SUNDIALS=1 \
                          DEAL_II_WITH_THREADS=1 \
                          DEAL_II_WITH_TRILINOS=1 \
                          DEAL_II_WITH_UMFPACK=1 \
diff --git a/include/deal.II/base/config.h.in b/include/deal.II/base/config.h.in
index 2755ae740a..6a922060c4 100644
--- a/include/deal.II/base/config.h.in
+++ b/include/deal.II/base/config.h.in
@@ -52,6 +52,7 @@
 #cmakedefine DEAL_II_WITH_P4EST
 #cmakedefine DEAL_II_WITH_PETSC
 #cmakedefine DEAL_II_WITH_SLEPC
+#cmakedefine DEAL_II_WITH_SUNDIALS
 #cmakedefine DEAL_II_WITH_THREADS
 #cmakedefine DEAL_II_WITH_TRILINOS
 #cmakedefine DEAL_II_WITH_UMFPACK
-- 
2.39.5