initial commit, add CMakeLists.txt and dummy class for testing

Processes/CMakeLists.txt

 # general
 add_subdirectory (NullModel)
 # tracking
-add_subdirectory (TrackingLine) 
+add_subdirectory (TrackingLine)
 # hadron interaction models
 add_subdirectory (Sibyll)
 add_subdirectory (QGSJetII)
@@ -13,6 +13,8 @@ if (CONEX_FOUND)
 endif (CONEX_FOUND)
 add_subdirectory (HadronicElasticModel)
 add_subdirectory (UrQMD)
+add_subdirectory (SwitchProcess)
+add_subdirectory (Proposal)
 
 # continuous physics
 add_subdirectory (EnergyLoss)

Processes/Proposal/CMakeLists.txt

+# find_package(PROPOSAL REQUIRED ${LIB_INCLUDE})
+
+
+FILE (GLOB MODEL_SOURCES *.cc)
+FILE (GLOB MODEL_HEADERS *.h)
+SET (MODEL_NAMESPACE corsika/process/proposal)
+
+ADD_LIBRARY (ProcessPROPOSAL STATIC ${MODEL_SOURCES})
+CORSIKA_COPY_HEADERS_TO_NAMESPACE (ProcessPROPOSAL ${MODEL_NAMESPACE} ${MODEL_HEADERS})
+
+SET_TARGET_PROPERTIES ( ProcessPROPOSAL PROPERTIES VERSION ${PROJECT_VERSION}
+    SOVERSION 1
+    #  PUBLIC_HEADER "${MODEL_HEADERS}"
+  )
+
+TARGET_LINK_LIBRARIES (
+  ProcessPROPOSAL
+  CORSIKAenvironment
+  ${PROPOSAL_LIBRARY}
+  )
+
+TARGET_INCLUDE_DIRECTORIES (
+  ProcessProposal
+  INTERFACE
+  $<BUILD_INTERFACE:${PROJECT_BINARY_DIR}/include>
+  $<INSTALL_INTERFACE:include/include>
+  )
+
+TARGET_INCLUDE_DIRECTORIES (
+  ProcessProposal
+  SYSTEM
+  PUBLIC ${PROPOSAL_INCLUDE_DIR}
+  INTERFACE ${PROPOSAL_INCLUDE_DIR}
+  )
+
+INSTALL (
+  TARGETS ProcessProposal
+  LIBRARY DESTINATION lib
+  ARCHIVE DESTINATION lib
+#  PUBLIC_HEADER DESTINATION include/${MODEL_NAMESPACE}
+  )

Processes/Proposal/Interfaces.cc

+#include <iostream>
+#include <corsika/process/Proposal/Proposal.h>
+
+Interface::Interface() { std::cout<< "Hello World!" << std::endl; }

Processes/Proposal/Interfaces.h

+class Interface {
+    Interface();
+};