project(PamVMC)
cmake_minimum_required(VERSION 2.6)

###### Find external packages
# ROOT
set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR} ${CMAKE_MODULE_PATH})
find_package(ROOT REQUIRED)
include_directories(${ROOT_INCLUDE_DIR})

# GEANT4
find_package(Geant4 REQUIRED)
include(${Geant4_USE_FILE})

# VGM
find_package(VGM REQUIRED)

# GEANT4VMC
find_package(Geant4VMC REQUIRED)
include_directories(${Geant4VMC_INCLUDE_DIRS})

# PAMELA software include directories
include_directories($ENV{PAM_INC} $ENV{PAM_INC}/yoda)

###### Adjust configuration
# Some compiler options have been set by external packages e.g. Geant4.

# Remove the -pedantic compiler option introduced by Geant4.
# This is necessary in order to avoid to trigger an error when initializing static const float
# variables (e.g. trk/include/PamVMCTrkDig.h:97)
string(REPLACE " -pedantic" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})

# Automatically recurse over linked linbraries.
# For binutils >= 2.22 (http://unix.derkeiler.com/Mailing-Lists/FreeBSD/current/2011-12/msg00257.html)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}  -Wl,--copy-dt-needed-entries" )

# Mute compile warnings (i.e. remove the -Wsomething compiler options).
# Warnigns can be shown by adding -DPAMVMC_SHOW_WARNINGS=1 to the invocation of cmake.
if(NOT "${PAMVMC_SHOW_WARNINGS}" STREQUAL "1")
    string(REPLACE " -Wall" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
    string(REPLACE " -W " "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
    string(REPLACE " -Wno-non-virtual-dtor" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
    string(REPLACE " -Wno-long-long" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
    string(REPLACE " -Wwrite-strings" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
    string(REPLACE " -Wpointer-arith" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
    string(REPLACE " -Woverloaded-virtual" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
    string(REPLACE " -Wno-variadic-macros" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
    string(REPLACE " -Wshadow" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
endif()

# Enable compilation of Fortran code
enable_language(Fortran)

##### PamVMC build
# Include PamVMC directories
include_directories(.
                    include
                    cal/include
                    trk/include
                    trk/include/f77
                    tof/include
                    ac/include
                    s4/include
                    nd/include
                    PamG4RunConfiguration
                    PamG4RunConfiguration/include
                   )

# Build PamG4RunConfiguration library
root_generate_dictionary(PamG4RunConfigurationDict 
                           PamG4RunConfiguration/include/PamG4RunConfiguration.h 
                           LINKDEF PamG4RunConfiguration/include/PamG4RunConfigurationLinkDef.h
                        )
add_library(PamG4RunConfiguration SHARED 
              PamG4RunConfiguration/src/PamG4RegionConstruction.cxx 
              PamG4RunConfiguration/src/PamG4RunConfiguration.cxx
              PamG4RunConfigurationDict.cxx
           )

# Build PamVMC_fc library
file(GLOB HDR RELATIVE ${CMAKE_SOURCE_DIR} "include/*.h")
list(REMOVE_ITEM HDR "include/PamVMC_fcLinkDef.h")
file(GLOB AC_HDR RELATIVE ${CMAKE_SOURCE_DIR} "ac/include/*.h")
file(GLOB CAL_HDR RELATIVE ${CMAKE_SOURCE_DIR}  "cal/include/*.h")
file(GLOB ND_HDR RELATIVE ${CMAKE_SOURCE_DIR} "nd/include/*.h")
file(GLOB S4_HDR RELATIVE ${CMAKE_SOURCE_DIR} "s4/include/*.h")
file(GLOB TRK_HDR RELATIVE ${CMAKE_SOURCE_DIR} "trk/include/*.h")
file(GLOB TOF_HDR RELATIVE ${CMAKE_SOURCE_DIR} "tof/include/*.h")

root_generate_dictionary(PamVMC_fcDict
                           ${HDR}
                           ${AC_HDR}
                           ${CAL_HDR}
                           ${ND_HDR}
                           ${S4_HDR}
                           ${TRK_HDR}
                           ${TOF_HDR}
                           LINKDEF include/PamVMC_fcLinkDef.h
                        )

file(GLOB SRC "src/*.cxx")
file(GLOB AC_SRC "ac/src/*.cxx")
file(GLOB CAL_SRC "cal/src/*.cxx")
file(GLOB ND_SRC "nd/src/*.cxx")
file(GLOB S4_SRC "s4/src/*.cxx")
file(GLOB TRK_SRC "trk/src/*.cxx")
file(GLOB TRK_FSRC "trk/src/f77/*.F")
file(GLOB TOF_SRC "tof/src/*.cxx")

set(PamVMC_fc_SOURCE
    ${SRC}
    ${AC_SRC}
    ${CAL_SRC}
    ${ND_SRC}
    ${S4_SRC}
    ${TRK_SRC}
    ${TRK_FSRC}
    ${TOF_SRC}
    PamVMC_fcDict.cxx
   )
     
     
add_library(PamVMC_fc SHARED  ${PamVMC_fc_SOURCE})

# Build PamVMC.exe
link_directories($ENV{PAM_LIB})
add_executable(PamVMC.exe G4main/PamVMCmain.cxx)
target_link_libraries(PamVMC.exe
                        PamVMC_fc
                        PamG4RunConfiguration
                        ${ROOT_LIBRARIES}
                        XMLParser
                        ${Geant4VMC_LIBRARIES}
                        yoda
                        DarthVader
                        gfortran
                     )

# Build libPrimaryInfo.so
include_directories(aux/spectra_generator/)
root_generate_dictionary(PrimaryInfoDict 
                          aux/spectra_generator/PrimaryInfo.h
                          LINKDEF aux/spectra_generator/LinkDef.h
                        )
add_library(PrimaryInfo SHARED PrimaryInfoDict.cxx)

# Build sp_gen
add_executable(sp_gen 
                aux/spectra_generator/sp_gen_VF.C
              )
target_link_libraries(sp_gen
                        ${ROOT_LIBRARIES}
                        PrimaryInfo                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
                        yoda
                        DarthVader
                     )              
###### Install rules
install(TARGETS PamVMC.exe sp_gen DESTINATION bin)
install(TARGETS PamVMC_fc PamG4RunConfiguration PrimaryInfo DESTINATION lib)