From 1d35ac84ee54f573c5c1b061ed4f3cb14b10b391 Mon Sep 17 00:00:00 2001
From: Federico Beffa <beffa@fbengineering.ch>
Date: Fri, 14 Jan 2022 21:24:39 +0100
Subject: [PATCH] trilinos: init at version 12.12.1

Co-authored-by: Sandro <sandro.jaeckel@gmail.com>
                Kim Lindberger <kim.lindberger@gmail.com>
---
 .../science/math/trilinos/default.nix         | 100 ++++++++++++++++++
 pkgs/top-level/all-packages.nix               |   4 +
 2 files changed, 104 insertions(+)
 create mode 100644 pkgs/development/libraries/science/math/trilinos/default.nix

diff --git a/pkgs/development/libraries/science/math/trilinos/default.nix b/pkgs/development/libraries/science/math/trilinos/default.nix
new file mode 100644
index 000000000000..19d2119622e9
--- /dev/null
+++ b/pkgs/development/libraries/science/math/trilinos/default.nix
@@ -0,0 +1,100 @@
+{ stdenv
+, lib
+, fetchFromGitHub
+, blas
+, boost
+, cmake
+, gfortran
+, lapack
+, mpi
+, suitesparse
+, swig
+, withMPI ? false
+}:
+
+# NOTE: Not all packages are enabled.  We specifically enable the ones
+# required to build Xyce. If the need comes, we can enable more of them.
+
+let
+  flagsBase = ''
+    -G "Unix Makefiles"
+    -DBUILD_SHARED_LIBS=ON
+    -DCMAKE_CXX_FLAGS="-O3 -fPIC"
+    -DCMAKE_C_FLAGS="-O3 -fPIC"
+    -DCMAKE_Fortran_FLAGS="-O3 -fPIC"
+    -DTrilinos_ENABLE_NOX=ON
+    -DNOX_ENABLE_LOCA=ON
+    -DTrilinos_ENABLE_EpetraExt=ON
+    -DEpetraExt_BUILD_BTF=ON
+    -DEpetraExt_BUILD_EXPERIMENTAL=ON
+    -DEpetraExt_BUILD_GRAPH_REORDERINGS=ON
+    -DTrilinos_ENABLE_TrilinosCouplings=ON
+    -DTrilinos_ENABLE_Ifpack=ON
+    -DTrilinos_ENABLE_AztecOO=ON
+    -DTrilinos_ENABLE_Belos=ON
+    -DTrilinos_ENABLE_Teuchos=ON
+    -DTeuchos_ENABLE_COMPLEX=ON
+    -DTrilinos_ENABLE_Amesos=ON
+    -DAmesos_ENABLE_KLU=ON
+    -DTrilinos_ENABLE_Amesos2=ON
+    -DAmesos2_ENABLE_KLU2=ON
+    -DAmesos2_ENABLE_Basker=ON
+    -DTrilinos_ENABLE_Sacado=ON
+    -DTrilinos_ENABLE_Stokhos=ON
+    -DTrilinos_ENABLE_Kokkos=ON
+    -DTrilinos_ENABLE_ALL_OPTIONAL_PACKAGES=OFF
+    -DTrilinos_ENABLE_CXX11=ON
+    -DTPL_ENABLE_AMD=ON
+    -DTPL_ENABLE_BLAS=ON
+    -DTPL_ENABLE_LAPACK=ON
+  '';
+  flagsParallel = ''
+    -DCMAKE_C_COMPILER=mpicc
+    -DCMAKE_CXX_COMPILER=mpic++
+    -DCMAKE_Fortran_COMPILER=mpif77
+    -DTrilinos_ENABLE_Isorropia=ON
+    -DTrilinos_ENABLE_Zoltan=ON
+    -DTPL_ENABLE_MPI=ON
+  '';
+in
+stdenv.mkDerivation rec {
+  pname = "trilinos";
+  version = "12.12.1"; # Xyce 7.4 requires version 12.12.1
+
+  src = fetchFromGitHub {
+    owner = "trilinos";
+    repo = "Trilinos";
+    rev = "${pname}-release-${lib.replaceStrings [ "." ] [ "-" ] version}";
+    sha256 = "sha256-Nqjr7RAlUHm6vs87a1P84Y7BIZEL0Vs/A1Z6dykfv+o=";
+  };
+
+  nativeBuildInputs = [ cmake gfortran swig ];
+
+  buildInputs = [ blas boost lapack suitesparse ] ++ lib.optionals withMPI [ mpi ];
+
+  preConfigure =
+    if withMPI then ''
+      cmakeFlagsArray+=(${flagsBase} ${flagsParallel})
+    ''
+    else ''
+      cmakeFlagsArray+=(${flagsBase})
+    '';
+
+  passthru = {
+    inherit withMPI;
+  };
+
+  meta = with lib; {
+    description = "Engineering and scientific problems algorithms";
+    longDescription = ''
+      The Trilinos Project is an effort to develop algorithms and enabling
+      technologies within an object-oriented software framework for the
+      solution of large-scale, complex multi-physics engineering and scientific
+      problems.
+    '';
+    homepage = "https://trilinos.org";
+    license = licenses.bsd3;
+    maintainers = with maintainers; [ fbeffa ];
+    platforms = platforms.all;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 0c942c308c0f..c50dacdd6cbe 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -31884,6 +31884,10 @@ with pkgs;
 
   sympow = callPackage ../development/libraries/science/math/sympow { };
 
+  trilinos = callPackage ../development/libraries/science/math/trilinos {};
+
+  trilinos-mpi = callPackage ../development/libraries/science/math/trilinos { withMPI = true; };
+
   ipopt = callPackage ../development/libraries/science/math/ipopt { };
 
   gmsh = callPackage ../applications/science/math/gmsh { };