#----------------------------------------------------------------------------
# Setup the project
cmake_minimum_required(VERSION 2.6 FATAL_ERROR)
project(TPC-MC)

#----------------------------------------------------------------------------
# Find Geant4 package, activating all available UI and Vis drivers by default
# You can set WITH_GEANT4_UIVIS to OFF via the command line or ccmake/cmake-gui
# to build a batch mode only executable
#
option(WITH_GEANT4_UIVIS "Build example with Geant4 UI and Vis drivers" ON)
if(WITH_GEANT4_UIVIS)
  find_package(Geant4 REQUIRED ui_all vis_all)
else()
  find_package(Geant4 REQUIRED)
endif()

# You need to tell CMake where to find the ROOT installation. This can be done in a number of ways:
#   - ROOT built with classic configure/make use the provided $ROOTSYS/etc/cmake/FindROOT.cmake
#   - ROOT built with CMake. Add in CMAKE_PREFIX_PATH the installation prefix for ROOT
list(APPEND CMAKE_PREFIX_PATH $ENV{ROOTSYS})
#----------------------------------------------------------------------------
# Find ROOT variables if the variable G4ANALYSIS_USE_ROOT is set
#
find_package(ROOT QUIET)


#----------------------------------------------------------------------------
# Setup Geant4 include directories and compile definitions
# Setup include directory for this project
#
if(ROOT_FOUND)
add_definitions(-DG4ANALYSIS_USE_ROOT)
include(${Geant4_USE_FILE})
include_directories(${ROOT_INCLUDE_DIR} ${Geant4_INCLUDE_DIR} ${PROJECT_SOURCE_DIR}/include)
else()
include(${Geant4_USE_FILE})
include_directories(${PROJECT_SOURCE_DIR}/include)
endif()


#----------------------------------------------------------------------------
# Locate sources and headers for this project
# NB: headers are included so they will show up in IDEs
#
file(GLOB sources ${PROJECT_SOURCE_DIR}/src/*.cc)
file(GLOB headers ${PROJECT_SOURCE_DIR}/include/*.hh)

#----------------------------------------------------------------------------
# Add the executable, and link it to the Geant4 libraries
#
add_executable(TPC-MC TPC-MC.cc ${sources} ${headers})

if(ROOT_FOUND)
target_link_libraries(TPC-MC ${Geant4_LIBRARIES} ${ROOT_LIBRARIES})
else()
target_link_libraries(TPC-MC ${Geant4_LIBRARIES})
endif()

#----------------------------------------------------------------------------
# Copy all scripts to the build directory, i.e. the directory in which we
# build hadrontherapy. This is so that we can run the executable directly because it
# relies on these scripts being in the current working directory.
#
set(ROOT_LIBRARIES -L${ROOT_LIBRARY_DIR} -lCore -lCint -lRIO -lNet -lHist -lGraf -lGraf3d -lGpad -lTree -lRint -lMatrix -lPhysics -lMathCore -lThread -pthread -lm -ldl -rdynamic)
#set(CADMESH_LIBRARIES -L/usr/local/lib -lcadmesh)
# SET(GCC_COVERAGE_COMPILE_FLAGS "-w -DPHASESPACE")
SET(GCC_COVERAGE_COMPILE_FLAGS "-w")
message(STATUS "Geant4_LIBRARIES: " ${Geant4_LIBRARIES} )
set(CMAKE_CXX_FLAGS "-std=c++11 -D_GLIBCXX_USE_CXX11_ABI=0")

foreach(_script ${EXAMPLETPC-MC_SCRIPTS})
  configure_file(
    ${PROJECT_SOURCE_DIR}/${_script}
    ${PROJECT_BINARY_DIR}/${_script}
    COPYONLY
    )
endforeach()

EXEC_PROGRAM(root-config ARGS --evelibs OUTPUT_VARIABLE ROOT_LIBS)
message(ROOT_LIBS ${ROOT_LIBS})

#----------------------------------------------------------------------------
# For internal Geant4 use - but has no effect if you build this
# example standalone
#
#add_custom_target(hadrontherapy DEPENDS hadrontherapy)

#----------------------------------------------------------------------------
# Install the executable to 'bin' directory under CMAKE_INSTALL_PREFIX
#
install(TARGETS TPC-MC DESTINATION bin)