Readme and installation instructions updated

README.md

@@ -18,6 +18,7 @@ The `dunecontrol` script searches for the required
 - [dune-geometry](https://gitlab.dune-project.org/core/dune-geometry)
 - [dune-grid](https://gitlab.dune-project.org/core/dune-grid)
 - [dune-localfunctions](https://gitlab.dune-project.org/core/dune-localfunctions)
+- [dune-istl](https://gitlab.dune-project.org/core/dune-istl)
 - [dune-typetree](https://gitlab.dune-project.org/staging/dune-typetree)
 - [dune-functions](https://gitlab.dune-project.org/staging/dune-functions)
 
@@ -26,20 +27,21 @@ can be obtained from https://gitlab.dune-project.org and need to be found in a
 subdirectory of `DUNE_CONTROL_PATH`. See also https://dune-project.org/doc/installation
 for details about the installation of dune modules.
 
-Additionally we require the following libraries to be found:
+Additionally the following optional libraries can be used:
 - [MTL4](https://gitlab.math.tu-dresden.de/spraetor/mtl4) (use this fork to get up-to-date changes)
-- [SuiteSparse](http://faculty.cse.tamu.edu/davis/suitesparse.html) (optional)
+- [Eigen3](http://eigen.tuxfamily.org) >= 3.3
+- [SuiteSparse](http://faculty.cse.tamu.edu/davis/suitesparse.html)
 - libalberta >= 3.0 (For Alberta-Grids)
 
 And a compiler that supports the C++14 standard, e.g. g++ >= 5.0 and clang >= 3.6, and cmake >= 3.1.
 
+By default, the `dune-istl` linear-algebra backend is used. To choose one of `ISTL`, `MTL`, or `EIGEN`, you can specify the cmake parameter `-DBACKEND=[ISTL,MTL,EIGEN]`.
+
 If your MTL4 installation is not found by default, you have to specify the path,
 where the file `MTLConfig.cmake` is found, here called `MTL_ROOT`. Then simply use
 `dunecontrol` to configure and `cmake` to build:
 
 ```
-CMAKE_FLAGS="-DMTL_DIR:PATH=[MTL_ROOT]" dunecontrol --current configure
+CMAKE_FLAGS="-DBACKEND=MTL -DMTL_DIR:PATH=[MTL_ROOT]" dunecontrol --current configure
 cmake --build build-cmake
 ```
-
-This compiles the library and all examples in the `src/` directory.

doc/Installation.md

@@ -3,7 +3,7 @@ Installation instructions
 We provide a *cmake*-based configuration and use the `dunecontrol` build system.
 Simply run
 
-```bash
+```
 dunecontrol --current all
 ```
 
@@ -13,6 +13,7 @@ The `dunecontrol` script searches for the required
 - [dune-geometry](https://gitlab.dune-project.org/core/dune-geometry)
 - [dune-grid](https://gitlab.dune-project.org/core/dune-grid)
 - [dune-localfunctions](https://gitlab.dune-project.org/core/dune-localfunctions)
+- [dune-istl](https://gitlab.dune-project.org/core/dune-istl)
 - [dune-typetree](https://gitlab.dune-project.org/staging/dune-typetree)
 - [dune-functions](https://gitlab.dune-project.org/staging/dune-functions)
 
@@ -21,28 +22,28 @@ can be obtained from https://gitlab.dune-project.org and need to be found in a
 subdirectory of `DUNE_CONTROL_PATH`. See also https://dune-project.org/doc/installation
 for details about the installation of dune modules.
 
-Additionally, we require/suggest the following libraries to be found:
+Additionally the following optional libraries can be used:
 - [MTL4](https://gitlab.math.tu-dresden.de/spraetor/mtl4) (use this fork to get up-to-date changes)
-- [Boost](http://www.boost.org) >= 1.40
-- [SuiteSparse](http://faculty.cse.tamu.edu/davis/suitesparse.html) (optional)
+- [Eigen3](http://eigen.tuxfamily.org) >= 3.3
+- [SuiteSparse](http://faculty.cse.tamu.edu/davis/suitesparse.html)
 - libalberta >= 3.0 (For Alberta-Grids)
 
-And a compiler that supports the C++14 standard, e.g. `g++` >= 5.0 and `clang` >= 3.6,
-and `cmake` >= 3.1.
+And a compiler that supports the C++14 standard, e.g. g++ >= 5.0 and clang >= 3.6, and cmake >= 3.1.
+
+By default, the `dune-istl` linear-algebra backend is used. To choose one of `ISTL`, `MTL`, or `EIGEN`, you can specify the cmake parameter `-DBACKEND=[ISTL,MTL,EIGEN]`.
 
 If your MTL4 installation is not found by default, you have to specify the path,
 where the file `MTLConfig.cmake` is found, here called `MTL_ROOT`. Then simply use
 `dunecontrol` to configure and `cmake` to build:
 
-```bash
-CMAKE_FLAGS="-DMTL_DIR:PATH=[MTL_ROOT]" dunecontrol --current all
 ```
-
-This compiles the library and all examples in the `src/` directory.
+CMAKE_FLAGS="-DBACKEND=MTL -DMTL_DIR:PATH=[MTL_ROOT]" dunecontrol --current configure
+cmake --build build-cmake
+```
 
 Install Dune modules
 --------------------
-To install all required Dune modules you can either install a debian package (Version 2.6 required), using source packages (e.g. [Version 2.6](https://dune-project.org/releases/2.6.0rc1/)), or install everything from the repository:
+To install all required Dune modules you can either install a debian package (Version 2.6 required), using source packages (e.g. [Version 2.6](https://dune-project.org/releases/2.6.0/)), or install everything from the repository:
 
 ```bash
 cd ${SOURCE_DIR}
@@ -50,6 +51,7 @@ git clone https://gitlab.dune-project.org/core/dune-common.git
 git clone https://gitlab.dune-project.org/core/dune-geometry.git
 git clone https://gitlab.dune-project.org/core/dune-grid.git
 git clone https://gitlab.dune-project.org/core/dune-localfunctions.git
+git clone https://gitlab.dune-project.org/core/dune-istl.git
 git clone https://gitlab.dune-project.org/staging/dune-typetree.git
 git clone https://gitlab.dune-project.org/staging/dune-functions.git
 ```