+
+(define-public sundials
+ (package
+ (name "sundials")
+ (version "3.1.1")
+ (source
+ (origin
+ (method url-fetch)
+ (uri (string-append "https://computation.llnl.gov/projects/sundials/download/"
+ "sundials-" version ".tar.gz"))
+ (sha256
+ (base32
+ "090s8ymhd0g1s1d44fa73r5yi32hb4biwahhbfi327zd64yn8kd2"))))
+ (build-system cmake-build-system)
+ (native-inputs
+ `(("python" ,python-2))) ;for tests; syntax incompatible with python 3
+ (inputs
+ `(("fortran" ,gfortran) ;for fcmix
+ ("blas" ,openblas)
+ ("suitesparse" ,suitesparse))) ;TODO: Add hypre
+ (arguments
+ `(#:configure-flags `("-DEXAMPLES_ENABLE_C:BOOL=ON"
+ "-DEXAMPLES_ENABLE_CXX:BOOL=ON"
+ "-DEXAMPLES_ENABLE_F77:BOOL=ON"
+ "-DEXAMPLES_ENABLE_F90:BOOL=ON"
+ "-DEXAMPLES_INSTALL:BOOL=OFF"
+
+ "-DFCMIX_ENABLE:BOOL=ON"
+
+ "-DKLU_ENABLE:BOOL=ON"
+ ,(string-append "-DKLU_INCLUDE_DIR="
+ (assoc-ref %build-inputs "suitesparse")
+ "/include")
+ ,(string-append "-DKLU_LIBRARY_DIR="
+ (assoc-ref %build-inputs "suitesparse")
+ "/lib"))))
+ (home-page "https://computation.llnl.gov/projects/sundials")
+ (synopsis "Suite of nonlinear and differential/algebraic equation solvers")
+ (description "SUNDIALS is a family of software packages implemented with
+the goal of providing robust time integrators and nonlinear solvers that can
+easily be incorporated into existing simulation codes.")
+ (license license:bsd-3)))
+
+(define-public sundials-openmpi
+ (package (inherit sundials)
+ (name "sundials-openmpi")
+ (inputs
+ `(("mpi" ,openmpi)
+ ("petsc" ,petsc-openmpi) ;support in SUNDIALS requires MPI
+ ,@(package-inputs sundials)))
+ (arguments
+ (substitute-keyword-arguments (package-arguments sundials)
+ ((#:configure-flags flags '())
+ `(cons* "-DMPI_ENABLE:BOOL=ON"
+ "-DPETSC_ENABLE:BOOL=ON"
+ (string-append "-DPETSC_INCLUDE_DIR="
+ (assoc-ref %build-inputs "petsc")
+ "/include")
+ (string-append "-DPETSC_LIBRARY_DIR="
+ (assoc-ref %build-inputs "petsc")
+ "/lib")
+ ,flags))
+ ((#:phases phases '%standard-phases)
+ `(modify-phases ,phases
+ (add-before 'check 'mpi-setup
+ ,%openmpi-setup)))))
+ (synopsis "SUNDIALS with OpenMPI support")))