CMakeLists.txt

CMAKE_MINIMUM_REQUIRED(VERSION 2.8.5)

set(Geant4_version 4.9.5.p02)

if(DEFINED ENV{G4_NATIVE_VERSION})
  # Override the version of Geant4 from the variable
  set(Geant4_version $ENV{G4_NATIVE_VERSION})
  if(NOT Geant4_version MATCHES "^4\\.")
    # G4_NATIVE_VERSION might not contain the initial '4.' that we need
    # see https://its.cern.ch/jira/browse/LHCBGAUSS-43
    set(Geant4_version 4.${Geant4_version})
  endif()
endif()

find_package(GaudiProject)
gaudi_project(Geant4 v95r2p7g2)

file(MAKE_DIRECTORY ${CMAKE_INSTALL_PREFIX})
execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink ../include ${CMAKE_INSTALL_PREFIX}/include)

# FIXME: hack for compatibility with CMT build
file(WRITE ${CMAKE_BINARY_DIR}/dummy.cpp "")
link_directories(${CMAKE_INSTALL_PREFIX}/lib)
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--no-as-needed")

macro(back_comp_lib name)
  add_library(${name} SHARED ${CMAKE_BINARY_DIR}/dummy.cpp)
  add_dependencies(${name} Geant4)
  target_link_libraries(${name} ${ARGN})
  install(TARGETS ${name} DESTINATION lib)
endmacro()

back_comp_lib(G4processeshad G4processes)
back_comp_lib(G4externals G4zlib G4gl2ps)