cmake_minimum_required(VERSION 2.8)

project(Delphes)

set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC -DDROP_CGAL")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")

# Set up the RPATH so executables find the libraries even when installed in non-default location
SET(CMAKE_MACOSX_RPATH 1)
SET(CMAKE_SKIP_BUILD_RPATH  FALSE)
SET(CMAKE_BUILD_WITH_INSTALL_RPATH FALSE) 
SET(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")

# Add the automatically determined parts of the RPATH which point to directories outside
# the build tree to the install RPATH
SET(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)

# the RPATH to be used when installing, but only if it's not a system directory
LIST(FIND CMAKE_PLATFORM_IMPLICIT_LINK_DIRECTORIES "${CMAKE_INSTALL_PREFIX}/lib" isSystemDir)
IF("${isSystemDir}" STREQUAL "-1")
   SET(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
ENDIF("${isSystemDir}" STREQUAL "-1")

# Declare ROOT dependency
find_package(ROOT COMPONENTS EG Eve Geom Gui GuiHtml GenVector Hist Physics Matrix Graf RIO Tree Gpad RGL MathCore)
include(${ROOT_USE_FILE})

if(NOT DEFINED CMAKE_INSTALL_LIBDIR)
  set(CMAKE_INSTALL_LIBDIR "lib")
endif()

function(DELPHES_GENERATE_DICTIONARY dictionary)
  if(${ROOT_VERSION} LESS 6.0)
    ROOT_GENERATE_DICTIONARY(${dictionary} ${ARGN})
  else()
    ROOT_GENERATE_DICTIONARY(${dictionary} MODULE ${dictionary} ${ARGN})
  endif()
endfunction()

# Declare position of all other externals needed
set(DelphesExternals_INCLUDE_DIR ${CMAKE_SOURCE_DIR}/external)

add_subdirectory(classes)
add_subdirectory(converters)
add_subdirectory(display)
add_subdirectory(examples)
add_subdirectory(external)
add_subdirectory(modules)
add_subdirectory(readers)
add_subdirectory(cards)

add_library(Delphes SHARED
  $<TARGET_OBJECTS:classes> 
  $<TARGET_OBJECTS:modules> 
  $<TARGET_OBJECTS:ExRootAnalysis>
  $<TARGET_OBJECTS:fastjet>
  $<TARGET_OBJECTS:tcl>
  $<TARGET_OBJECTS:Hector>
  $<TARGET_OBJECTS:PUPPI>
)

add_library(DelphesDisplay SHARED
  $<TARGET_OBJECTS:classes>
  $<TARGET_OBJECTS:display>
  $<TARGET_OBJECTS:modules>
  $<TARGET_OBJECTS:ExRootAnalysis>
  $<TARGET_OBJECTS:fastjet>
  $<TARGET_OBJECTS:tcl>
  $<TARGET_OBJECTS:Hector>
  $<TARGET_OBJECTS:PUPPI>
)

target_link_Libraries(Delphes ${ROOT_LIBRARIES} ${ROOT_COMPONENT_LIBRARIES})
target_link_Libraries(DelphesDisplay ${ROOT_LIBRARIES} ${ROOT_COMPONENT_LIBRARIES})

install(TARGETS Delphes DelphesDisplay DESTINATION lib)