The MCHMappingFactory library will disappear in O2 (#372)

* The MCHMappingFactory library will disappear in O2

This commit lets the MCH QC Module handle gracefully that removal.

Author: aphecetche

Modules/MUON/MCH/CMakeLists.txt

@@ -28,8 +28,10 @@ target_include_directories(
   PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src
 )
 
-#target_link_libraries(${MODULE_NAME} PUBLIC QualityControl)
-target_link_libraries(${MODULE_NAME} PUBLIC QualityControl O2::CommonDataFormat O2::GPUCommon O2::MCHMappingFactory O2::MCHMappingImpl3 O2::MCHMappingSegContour)
+target_link_libraries(${MODULE_NAME} PUBLIC QualityControl O2::CommonDataFormat O2::GPUCommon 
+        $<TARGET_NAME_IF_EXISTS:O2::MCHMappingFactory> O2::MCHMappingImpl3 O2::MCHMappingSegContour)
+
+target_compile_definitions(${MODULE_NAME} PRIVATE $<$<TARGET_EXISTS:O2::MCHMappingFactory>:MCH_HAS_MAPPING_FACTORY>)
 
 install(
         TARGETS ${MODULE_NAME}
@@ -40,17 +42,14 @@ install(
 
 # ---- ROOT dictionary ----
 
-#generate_root_dict(MODULE_NAME ${MODULE_NAME} LINKDEF "include/MCH/LinkDef.h" DICT_CLASS "${MODULE_NAME}Dict")
-
 add_root_dictionary(${MODULE_NAME}
                     HEADERS include/MCH/Mapping.h
                             include/MCH/Decoding.h
                             include/MCH/PedestalsTask.h
                             include/MCH/PhysicsTask.h
                             include/MCH/PedestalsCheck.h
                             include/MCH/sampa_header.h
-                    LINKDEF include/MCH/LinkDef.h
-                    BASENAME ${MODULE_NAME})
+                    LINKDEF include/MCH/LinkDef.h)
 
 # ---- Tests ----
 

Modules/MUON/MCH/include/MCH/PedestalsTask.h

@@ -8,7 +8,6 @@
 
 #include "QualityControl/TaskInterface.h"
 #include "MCH/Mapping.h"
-#include "MCHMappingFactory/CreateSegmentation.h"
 #include "MCH/Decoding.h"
 #include "MCHBase/Digit.h"
 

Modules/MUON/MCH/src/Mapping.cxx

@@ -5,8 +5,11 @@
 
 #include "QualityControl/QcInfoLogger.h"
 #include "MCH/Mapping.h"
-//#include "MCHMappingInterface/Segmentation.h"
+#ifdef MCH_HAS_MAPPING_FACTORY
 #include "MCHMappingFactory/CreateSegmentation.h"
+#else
+#include "MCHMappingInterface/Segmentation.h"
+#endif
 
 using namespace std;
 

Modules/MUON/MCH/src/PedestalsTask.cxx

@@ -19,7 +19,9 @@
 #include "MCHMappingInterface/Segmentation.h"
 #include "MCHMappingInterface/CathodeSegmentation.h"
 #include "MCHRawElecMap/Mapper.h"
-
+#ifdef MCH_HAS_MAPPING_FACTORY
+#include "MCHMappingFactory/CreateSegmentation.h"
+#endif
 //#define QC_MCH_SAVE_TEMP_ROOTFILE
 
 using namespace std;