cmake: added library version information to the targets.

src/classes/CMakeLists.txt

@@ -73,6 +73,13 @@ add_library(PMusr SHARED
   PStartupHandlerDict.cxx
   PTheory.cpp
 )
+
+#--- set target properties, e.g. version --------------------------------------
+set_target_properties(PMusr
+  PROPERTIES
+    VERSION ${MUSR_VERSION}
+)
+
 #--- make sure that the include directory is found ----------------------------
 target_include_directories(
   PMusr BEFORE PRIVATE
@@ -91,6 +98,13 @@ add_library(PUserFcnBase SHARED
   PUserFcnBase.cpp
   PUserFcnBaseDict.cxx
 )
+
+#--- set target properties, e.g. version --------------------------------------
+set_target_properties(PUserFcnBase
+  PROPERTIES
+    VERSION ${MUSR_VERSION}
+)
+
 #--- make sure that the include directory is found ----------------------------
 target_include_directories(
   PUserFcnBase BEFORE PRIVATE $<BUILD_INTERFACE:${MUSRFIT_INC}>