DOC: More setup documentation. And smaller cmake version allowed.

.gitignore

+# -*- mode:conf; -*-
+
 # General
 build/
 inst/

CMakeLists.txt

@@ -18,7 +18,7 @@
 # along with this program. If not, see <https://www.gnu.org/licenses/>.
 #
 
-cmake_minimum_required(VERSION 3.15)
+cmake_minimum_required(VERSION 3.13)
 
 project(OctaveCaosDB
     DESCRIPTION "GNU/Octave wrapper for libcaosdb, the C++ client library of the CaosDB project."

README_SETUP.md

 # Getting started with CaosDB for Octave #
 
-## Install and Load
+## Requirements ##
+
+This package requires the following software:
 
-From ocatave:
+- conan: `pip install conan`
+- libcaosdb: See https://gitlab.indiscale.com/caosdb/src/caosdb-cpplib for further instructions.
+- For running this library, a valid libcaosdb configuration is needed, for example a
+  `.caosdb_client.json` file in your home directory or current working directory.  Please look at
+  [`README_SETUP.md` in caosdb-cpplib](https://gitlab.indiscale.com/caosdb/src/caosdb-cpplib/-/blob/main/README_SETUP.md) for more information.
+
+## Install and Load
 
-* `pkg install pkg;`
-* `pkg load caosdb;`
+* `make install`
+* Or alternatively:
+  * `make dist/caosdb.tar.gz`
+  * Then in octave:
+    * `pkg install dist/caosdb.tar.gz`
+    * `pkg load caosdb;`
 
 ## Run Unit Tests
 

src/CMakeLists.txt

@@ -23,4 +23,4 @@ set(OCTAVE_CAOSDB_SRC
     )
 
 # pass variable to parent scope
-set(OCTAVE_CAOSDB_SRC ${OCTAVE_CAOSDB_SRC}  PARENT_SCOPE)
+set(OCTAVE_CAOSDB_SRC ${OCTAVE_CAOSDB_SRC} PARENT_SCOPE)