# $Id: CMakeLists.txt 68058 2013-03-13 14:47:43Z gcosmo $

#----------------------------------------------------------------------------
# Setup the project
cmake_minimum_required(VERSION 2.6 FATAL_ERROR)
project(MCMC)

#----------------------------------------------------------------------------
# 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 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()

#----------------------------------------------------------------------------
# Setup Geant4 include directories and compile definitions
# Setup include directory for this project
#
include(${Geant4_USE_FILE})


#----------------------------------------------------------------------------
# Find HepMC (required package)
#
find_package(HepMC REQUIRED)

#----------------------------------------------------------------------------
# Find Pythia6 (optional package)
#
find_package(Pythia6 QUIET)
if(PYTHIA6_FOUND)
  message(STATUS "G4 Examples: Pythia6 found. --> HepMCEx01 example with Pythia6 enabled.") 
  add_definitions(-DG4LIB_USE_PYTHIA) 
else()
  set(PYTHIA6_LIBRARIES "")  
endif()


#----------------------------------------------------------------------------
# Locate sources and headers for this project
# NB: headers are included so they will show up in IDEs
#
include_directories(${PROJECT_SOURCE_DIR}/include 
                    ${PROJECT_SOURCE_DIR}/process_channeling/include 
                    ${Geant4_INCLUDE_DIR}
                    ${HEPMC_INCLUDE_DIR} )

file(GLOB sources ${PROJECT_SOURCE_DIR}/src/*.cc ${PROJECT_SOURCE_DIR}/process_channeling/src/*.cc)
file(GLOB headers ${PROJECT_SOURCE_DIR}/include/*.hh ${PROJECT_SOURCE_DIR}/process_channeling/include/*.hh)

#----------------------------------------------------------------------------
# Add the executable, and link it to the Geant4 libraries
#
add_executable(mainMCMC mainMCMC.cc ${sources} ${headers})
target_link_libraries(mainMCMC ${Geant4_LIBRARIES} 
                      ${HEPMC_LIBRARIES} 
                      ${HEPMC_FIO_LIBRARIES} ${PYTHIA6_LIBRARIES} )

#----------------------------------------------------------------------------
# Copy all scripts to the build directory, i.e. the directory in which we
# build B1. This is so that we can run the executable directly because it
# relies on these scripts being in the current working directory.
#
set(mainMCMC_SCRIPTS
  mainMCMC.in
  mainMCMC.out
  init.mac
  init_vis.mac
  run1.mac
  vis.mac
  )

foreach(_script ${mainMCMC_SCRIPTS})
  configure_file(
    ${PROJECT_SOURCE_DIR}/${_script}
    ${PROJECT_BINARY_DIR}/${_script}
    COPYONLY
    )
endforeach()

file(GLOB _data RELATIVE ${PROJECT_SOURCE_DIR}/process_channeling ${PROJECT_SOURCE_DIR}/process_channeling/data/*.txt)
foreach(_dat ${_data})
     configure_file(
	${PROJECT_SOURCE_DIR}/process_channeling/${_dat}
     	${PROJECT_BINARY_DIR}/${_dat}
	COPYONLY
	)
endforeach()

#----------------------------------------------------------------------------
# For internal Geant4 use - but has no effect if you build this
# example standalone
#
add_custom_target(B1 DEPENDS exampleB1)

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