Correct use of ROOT_INCLUDE_DIR

[u/mrichter/AliRoot.git] / PHOS / PHOSUtils / CMakeLists.txt

# **************************************************************************
# * Copyright(c) 1998-2014, ALICE Experiment at CERN, All rights reserved. *
# *                                                                        *
# * Author: The ALICE Off-line Project.                                    *
# * Contributors are mentioned in the code where appropriate.              *
# *                                                                        *
# * Permission to use, copy, modify and distribute this software and its   *
# * documentation strictly for non-commercial purposes is hereby granted   *
# * without fee, provided that the above copyright notice appears in all   *
# * copies and that both the copyright notice and this permission notice   *
# * appear in the supporting documentation. The authors make no claims     *
# * about the suitability of this software for any purpose. It is          *
# * provided "as is" without express or implied warranty.                  *
# **************************************************************************

# Module
set(MODULE PHOSUtils)

# Module include folder
include_directories(${AliRoot_SOURCE_DIR}/PHOS/${MODULE})

# Additional include folders in alphabetical order except ROOT
include_directories(${ROOT_INCLUDE_DIR}
                    ${AliRoot_SOURCE_DIR}/STEER/STEERBase
                   )

# Sources in alphabetical order
set(SRCS
    AliPHOSCPVBaseGeometry.cxx
    AliPHOSCPVGeometry.cxx
    AliPHOSEMCAGeometry.cxx
    AliPHOSGeoUtils.cxx
    AliPHOSSupportGeometry.cxx
   )

# Headers from sources
string(REPLACE ".cxx" ".h" HDRS "${SRCS}")

# Generate the dictionary
# It will create G_ARG1.cxx and G_ARG1.h / ARG1 = function first argument
get_directory_property(incdirs INCLUDE_DIRECTORIES)
generate_dictionary("${MODULE}" "${MODULE}LinkDef.h" "${HDRS}" "${incdirs}")

set(ROOT_DEPENDENCIES Core EG Geom Physics)
set(ALIROOT_DEPENDENCIES STEERBase)

# Generate the ROOT map
# Dependecies
set(LIBDEPS ${ALIROOT_DEPENDENCIES} ${ROOT_DEPENDENCIES})
generate_rootmap("${MODULE}" "${LIBDEPS}" "${CMAKE_CURRENT_SOURCE_DIR}/${MODULE}LinkDef.h")

# Generate a PARfile target for this library
add_target_parfile(${MODULE} "${SRCS}" "${HDRS}" "${MODULE}LinkDef.h" "${LIBDEPS}")

# Create an object to be reused in case of static libraries 
# Otherwise the sources will be compiled twice
add_library(${MODULE}-object OBJECT ${SRCS} G__${MODULE}.cxx)
# Follow headers dependencies
add_dependencies(${MODULE}-object ${ALIROOT_DEPENDENCIES})
# Add a library to the project using the object
add_library(${MODULE} SHARED $<TARGET_OBJECTS:PHOSUtils-object>)

# Linking
target_link_libraries(${MODULE} ${LIBDEPS})

# Setting the correct headers for the object as gathered from the dependencies
target_include_directories(${MODULE}-object PUBLIC $<TARGET_PROPERTY:${MODULE},INCLUDE_DIRECTORIES>)
set_target_properties(${MODULE}-object PROPERTIES COMPILE_DEFINITIONS $<TARGET_PROPERTY:${MODULE},COMPILE_DEFINITIONS>)

# Additional compilation flags
set_target_properties(${MODULE}-object PROPERTIES COMPILE_FLAGS " ")
add_definitions(-D__PHOSUTIL__)

# System dependent: Modify the way the library is build
if(${CMAKE_SYSTEM} MATCHES Darwin)
    set_target_properties(${MODULE} PROPERTIES LINK_FLAGS "-undefined dynamic_lookup")
endif(${CMAKE_SYSTEM} MATCHES Darwin)

# Installation
install(TARGETS ${MODULE}
        ARCHIVE DESTINATION lib
        LIBRARY DESTINATION lib)

install(FILES ${HDRS} DESTINATION include)

# Static version if DA enabled
if(ALIROOT_STATIC)
    add_library(${MODULE}-static STATIC $<TARGET_OBJECTS:PHOSUtils-object>)
    set_target_properties(${MODULE}-static PROPERTIES OUTPUT_NAME ${MODULE})

    # list of shared dependencies / the name of the variable containing the list of static ones
    generate_static_dependencies("${ALIROOT_DEPENDENCIES}" "STATIC_ALIROOT_DEPENDENCIES")
    target_link_libraries(${MODULE}-static ${STATIC_ALIROOT_DEPENDENCIES} Root)
    
    # Public include folders that will be propagated to the dependecies
    target_include_directories(${MODULE}-static PUBLIC ${incdirs})

    set_target_properties(${MODULE}-static PROPERTIES LINK_FLAGS "-Wl,--whole-archive")

    # Installation
    install(TARGETS ${MODULE}-static
            ARCHIVE DESTINATION lib
            LIBRARY DESTINATION lib)
endif(ALIROOT_STATIC)