Add MagnetModel library

install eigen in the build image

.user-ci.yml

+.deb9:common:
+  before_script:
+    - sudo apt update
+    - sudo apt install -y libeigen3-dev
+
+.ub20:common:
+  before_script:
+    - sudo apt update
+    - sudo apt install -y libeigen3-dev
+
+.ub22:common:
+  before_script:
+    - sudo apt update
+    - sudo apt install -y libeigen3-dev
+
+.ub24:common:
+  before_script:
+    - sudo apt update
+    - sudo apt install -y libeigen3-dev

CMakeLists.txt

@@ -20,6 +20,16 @@ OPTION(BUILD_TESTING        "Build all the unit-tests"                  OFF)
 # Manage common tasks
 include(build-common)
 
+find_package (Eigen3 3.3 REQUIRED NO_MODULE)
+
+findLibConfig(
+    #REQUIRED
+    CONFIG
+    NAME MagnetModel
+    NAME_CMAKE MagnetModel
+    VERSION 2
+    EXPECTED_TARGETS MagnetModel::MagnetModel
+)
 
 ###############################################################################
 # Local Tango Classes build in this project

classes/EbsMagnet/config-class.cmake

@@ -10,11 +10,11 @@
 #    PRIVATE
 #        custom::lib
 # )
-find_package (Eigen3 3.3 REQUIRED NO_MODULE)
 
 target_link_libraries(${DEVICE_CLASS_TARGET}
    PRIVATE
    EbsCorrector
    Eigen3::Eigen
+   MagnetModel::MagnetModel
 )