[u/mrichter/AliRoot.git] / cmake / FindROOT.cmake

# **************************************************************************
# * 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.                  *
# **************************************************************************

# Checking for a proper ROOT installation based on the ROOTSYS variable
# received during configuration
# If proper root installation it is setting the following variables
# - ROOT_VERSION - ROOT version as reported by root-config
# - ROOT_VERSION_MAJOR
# - ROOT_VERSIOM_MINOR
# - ROOT_VERSION_PATCH
# - ROOT_CONFIG - path to root-config script
# - ROOT_CINT - path to rootcint executable
# - ROOT_LIBMAP - path to rlibmap executable
# - ROOT_FEATURES - list of build features for ROOT
# - ROOT_LIBDIR - full path to ROOT library folder
# - ROOT_ETCDIR - full path to the ROOT's configuration directory
# - ROOT_LIBRARIES - libraries needed for the package to be used
# - ROOT_GLIBRARIES - regular + GUI ROOT libraries + path to be used during linking
# - ROOT_INCLUDE_DIR - full path to ROOT include folder
# - ROOT_CXX_FLAGS - flags used by the C++ compiler for building ROOT
# - ROOT_HAS_LIBCXX - TRUE if ROOT was built against libc++ (as opposed to libstdc++)
# - ROOT_HAS_CXX11 - TRUE if ROOT was built with C++11 support
# - ROOT_HASALIEN - ROOT was built with AliEn support
# - ROOT_HASOPENGL - ROOT was built with OpenGL support
# - ROOT_HASXML - ROOT was built with XML support
# - ROOT_HASMONALISA - ROOT was built with MonAlisa support - needed by SHUTTLE
# - ROOT_FORTRAN - fortran compiler

set(ROOT_FOUND FALSE)

if(ROOTSYS)
    message(STATUS "Checking for a proper ROOT installation in ${ROOTSYS}.")

    # Setting defaults
    set(ROOT_LIBDIR ${ROOTSYS}/lib)
    set(ROOT_INCLUDE_DIR ${ROOTSYS}/include)

    # Check for root-config scripts
    find_program(ROOT_CONFIG NAMES root-config PATHS ${ROOTSYS}/bin NO_DEFAULT_PATH)

    if(NOT ROOT_CONFIG)
        message(FATAL_ERROR "Could not find root-config script.")
    endif(NOT ROOT_CONFIG)
    mark_as_advanced(ROOT_CONFIG)

    # Check for rlibmap
    find_program(ROOT_LIBMAP NAMES rlibmap rootcling PATHS ${ROOTSYS}/bin NO_DEFAULT_PATH)
    if(ROOT_LIBMAP)
        message(STATUS "Found ${ROOT_LIBMAP}")
    else()
        message(FATAL_ERROR "Could not find rlibmap executable.")
    endif(ROOT_LIBMAP)
    mark_as_advanced(ROOT_LIBMAP)

    # Check for rootcint
    find_program(ROOT_CINT NAMES rootcint PATHS ${ROOTSYS}/bin NO_DEFAULT_PATH)
    if(ROOT_CINT)
        message(STATUS "Found ${ROOT_CINT}")
    else()
        message(FATAL_ERROR "Could not find rootcint executable.")
    endif(ROOT_CINT)
    mark_as_advanced(ROOT_CINT)

    # Checking ROOT version
    execute_process(COMMAND ${ROOT_CONFIG} --version OUTPUT_VARIABLE ROOT_VERSION ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE )
    if(error)
        message(FATAL_ERROR "Error retrieving ROOT version : ${error}")
    endif(error)
    string(STRIP "${ROOT_VERSION}" ROOT_VERSION)

    # Extract major, minor, and patch versions from
    string(REGEX REPLACE "^([0-9]+)\\.[0-9][0-9]+\\/[0-9][0-9]+.*" "\\1" ROOT_VERSION_MAJOR "${ROOT_VERSION}")
    string(REGEX REPLACE "^[0-9]+\\.([0-9][0-9])+\\/[0-9][0-9]+.*" "\\1" ROOT_VERSION_MINOR "${ROOT_VERSION}")
    string(REGEX REPLACE "^[0-9]+\\.[0-9][0-9]+\\/([0-9][0-9]+).*" "\\1" ROOT_VERSION_PATCH "${ROOT_VERSION}")
    message(STATUS "Found ROOT version ${ROOT_VERSION_MAJOR}.${ROOT_VERSION_MINOR}.${ROOT_VERSION_PATCH}")

    # Print ROOT features
    execute_process(COMMAND ${ROOT_CONFIG} --features OUTPUT_VARIABLE ROOT_FEATURES ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE )
    if(error)
        message(FATAL_ERROR "Error retrieving ROOT features : ${error}")
    else()
        message(STATUS "ROOT was built with the following features: ${ROOT_FEATURES}")
    endif(error)
    string(STRIP "${ROOT_FEATURES}" ROOT_FEATURES)

    # Checking for ROOT libdir
    execute_process(COMMAND ${ROOT_CONFIG} --libdir OUTPUT_VARIABLE ROOT_LIBDIR ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE )
    if(error)
        message(FATAL_ERROR "Error retrieving ROOT libdir: ${error}")
    endif(error)
    string(STRIP "${ROOT_LIBDIR}" ROOT_LIBDIR)

    # Checking for ROOT etcdir
    execute_process(COMMAND ${ROOT_CONFIG} --etcdir OUTPUT_VARIABLE ROOT_ETCDIR ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE)
    if(error)
        message(FATAL_ERROR "Error retrieving ROOT etcdir: ${error}")
    endif(error)
    string(STRIP "${ROOT_ETCDIR}" ROOT_ETCDIR)

    # Checking for ROOT libs
    execute_process(COMMAND ${ROOT_CONFIG} --noldflags --libs OUTPUT_VARIABLE ROOT_LIBS ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE )
    if(error)
        message(FATAL_ERROR "Error retrieving ROOT libdir: ${error}")
    endif(error)
    string(STRIP "${ROOT_LIBS}" ROOT_LIBS)

    foreach(lib ${ROOT_LIBS})
        string(REPLACE "-rdynamic" "" new_lib ${lib})
        string(REPLACE "-l" "" lib ${new_lib})
        set(ROOT_LIBRARIES ${ROOT_LIBRARIES} ${lib})
    endforeach()
    string(STRIP "${ROOT_LIBRARIES}" ROOT_LIBRARIES)
    separate_arguments(ROOT_LIBRARIES)

    # Checking for ROOT incdir
    execute_process(COMMAND ${ROOT_CONFIG} --incdir OUTPUT_VARIABLE ROOT_INCDIR ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE )
    if(error)
        message(FATAL_ERROR "Error retrieving ROOT incdir: ${error}")
    endif(error)
    string(STRIP "${ROOT_INCDIR}" ROOT_INCDIR)
    set(ROOT_INCLUDE_DIR ${ROOT_INCDIR})

    # Setting ROOT compiler flags (except the -I parts) to a variable
    execute_process(COMMAND ${ROOT_CONFIG} --auxcflags OUTPUT_VARIABLE _ROOT_CXX_FLAGS ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE)
    if(error)
        message(FATAL_ERROR "Error retrieving ROOT compiler flags: ${error}")
    endif(error)
    string(STRIP "${_ROOT_CXX_FLAGS}" ROOT_CXX_FLAGS)

    # Check if ROOT was built with libc++ (as opposed to stdlibc++)
    if(ROOT_CXX_FLAGS MATCHES "-stdlib=libc\\+\\+")
        set(ROOT_HAS_LIBCXX TRUE)
    else()
        set(ROOT_HAS_LIBCXX FALSE)
    endif()

    # Check if ROOT was built with C++11 support
    if(ROOT_CXX_FLAGS MATCHES "-std=c\\+\\+11")
        message(STATUS "ROOT was built with C++11 support")
        set(ROOT_HAS_CXX11 TRUE)
    else()
        set(ROOT_HAS_CXX11 FALSE)
    endif()

    # Checking for glibs
    execute_process(COMMAND ${ROOT_CONFIG} --noldflags --glibs OUTPUT_VARIABLE ROOT_GLIBS ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE )
    if(error)
        message(FATAL_ERROR "Error retrieving ROOT glibs: ${error}")
    endif(error)

    # Checking for glibs
    string(STRIP "${ROOT_GLIBS}" ROOT_GLIBS)

    foreach(lib ${ROOT_GLIBS})
        string(REPLACE "-rdynamic" "" new_lib "${lib}")
        string(REPLACE "-l" "" lib "${new_lib}")
        set(ROOT_GLIBRARIES ${ROOT_GLIBRARIES} ${lib})
    endforeach()
    string(STRIP "${ROOT_GLIBRARIES}" ROOT_GLIBRARIES)
    separate_arguments(ROOT_GLIBRARIES)

    # Checking for AliEn support
    # If AliEn support is enabled we need to point to AliEn
    execute_process(COMMAND ${ROOT_CONFIG} --has-alien OUTPUT_VARIABLE ROOT_HASALIEN ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE )
    if(error)
        message(FATAL_ERROR "Error checking if ROOT was built with AliEn support: ${error}")
    endif(error)
    
    #if defined
    if(ROOT_HASALIEN)
        string(STRIP "${ROOT_HASALIEN}" ROOT_HASALIEN)
        if(ROOT_HASALIEN STREQUAL "yes")
            if(ALIEN)
            add_definitions(-DWITHALIEN)

            # AliEn might bring some system libraries, we need to use them
            if(EXISTS "${ALIEN}/lib")
                link_directories(${ALIEN}/lib)
            endif()

            # api/lib should always exists
            if(EXISTS "${ALIEN}/api/lib")
                link_directories(${ALIEN}/api/lib)
            endif()

            # include for AliEn
            if(EXISTS "${ALIEN}/include")
                include_directories(SYSTEM ${ALIEN}/include)
            endif()

            # api/include always exists
            if(EXISTS "${ALIEN}/api/include")
                include_directories(SYSTEM ${ALIEN}/api/include)
            endif()

            set(ROOT_HASALIEN TRUE)
            else(ALIEN)
            message(FATAL_ERROR "ROOT was built with AliEn support but no AliEn installation found. Please set \"ALIEN\" to point to your AliEn installation.")
            endif(ALIEN)
        else()
            set(ROOT_HASALIEN FALSE)
        endif()
    endif(ROOT_HASALIEN)

    # Checking for xml support
    execute_process(COMMAND ${ROOT_CONFIG} --has-xml OUTPUT_VARIABLE ROOT_HASXML ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE )
    if(error)
        message(FATAL_ERROR "Error checking if ROOT was built with xml support: ${error}")
    endif(error)
    
    # if defined
    if(ROOT_HASXML)
        string(STRIP "${ROOT_HASXML}" ROOT_HASXML)
        if(ROOT_HASXML STREQUAL "yes")
            add_definitions(-DWITHXML)
            set(ROOT_HASXML TRUE)
        else()
            set(ROOT_HASXML FALSE)
        endif()
    endif(ROOT_HASXML)

    # Checking for monalisa support
    execute_process(COMMAND ${ROOT_CONFIG} --has-monalisa OUTPUT_VARIABLE ROOT_HASMONALISA ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE )
    if(error)
        message(FATAL_ERROR "Error checking if ROOT was built with monalisa support: ${error}")
    endif(error)
    
    # if defined
    if(ROOT_HASMONALISA)
        string(STRIP "${ROOT_HASMONALISA}" ROOT_HASMONALISA)
        if(ROOT_HASMONALISA STREQUAL "yes")
            set(ROOT_HASMONALISA TRUE)
        else()
            set(ROOT_HASMONALISA FALSE)
        endif()
    endif(ROOT_HASMONALISA)

    # Checking for OpenGL support
    execute_process(COMMAND ${ROOT_CONFIG} --has-opengl OUTPUT_VARIABLE ROOT_HASOPENGL ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE )
    if(error)
        message(FATAL_ERROR "Error checking if ROOT was built with OpenGL support: ${error}")
    endif(error)
    
    if(ROOT_HASOPENGL)
        string(STRIP "${ROOT_HASOPENGL}" ROOT_HASOPENGL)
        if(ROOT_HASOPENGL STREQUAL "yes")
            set(ROOT_HASOPENGL TRUE)
        else()
            set(ROOT_HASOPENGL FALSE)
        endif()
    endif()

    # Checking for fortran compiler
    execute_process(COMMAND ${ROOT_CONFIG} --f77 OUTPUT_VARIABLE ROOT_FORTRAN ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE )
    if(error)
        message(FATAL_ERROR "Error checking ROOT fortran compiler: ${error}")
    endif(error)
    string(STRIP "${ROOT_FORTRAN}" ROOT_FORTRAN)

    # adding the libraries and the inc dir
    link_directories(${ROOT_LIBDIR})
#    include_directories(SYSTEM ${ROOT_INCLUDE_DIR})
    set(ROOT_FOUND TRUE)

    # Workaround misssing XML, VMC, Minuit from ROOT static library
    # Also adding libzma.a libfreetype.a libpcre.a
    # To be removed where https://sft.its.cern.ch/jira/browse/ROOT-6904 issue is fixed
    if(ALIROOT_STATIC)
        message(WARNING "AliRoot static build enabled! libRootExtra.a will be created.\nPlease remove when ROOT https://sft.its.cern.ch/jira/browse/ROOT-6904 issue is fixed")

        # ROOT needs xml2 but it is not built with the static version so we have to add it
        find_package(LibXml2)

        if(LIBXML2_FOUND)
        
            # adding SSL
            find_package(OpenSSL)
        
            if(OPENSSL_FOUND)
                file(GLOB _extraroot "${ROOTSYS}/montercarlo/vmc/src/*.o" "${ROOTSYS}/tree/treeplayer/src/*.o" "${ROOTSYS}/io/xmlparser/src/*.o" "${ROOTSYS}/math/minuit2/src/*.o")
                add_library(RootExtra STATIC ${_extraroot})
                set_target_properties(RootExtra PROPERTIES COMPILE_FLAGS "${LIBXML2_INCLUDE_DIR} ${OPENSSL_INCLUDE_DIR}")
                set_target_properties(RootExtra PROPERTIES LINKER_LANGUAGE CXX)
                target_link_libraries(RootExtra ${ROOT_LIBDIR}/libfreetype.a ${ROOT_LIBDIR}/libpcre.a ${ROOT_LIBDIR}/liblzma.a ${LIBXML2_LIBRARIES} ${OPENSSL_LIBRARIES})
            else()
                message(FATAL_ERROR "OpenSSL not found. Coould not generate the static RootExtra. Please install Openssl")
            endif()
        else()
            message(FATAL_ERROR "libxml2 not found. Can not generate the static RootExtra. Please install libxml2")
        endif()
    endif(ALIROOT_STATIC)
else()
    message(FATAL_ERROR "ROOT installation not found! Please point to the ROOT installation using -DROOTSYS=ROOT_INSTALL_DIR.")
endif(ROOTSYS)
Commit	Line	Data
fffaf6a5	1	# **************************************************************************
	2	# * Copyright(c) 1998-2014, ALICE Experiment at CERN, All rights reserved. *
	3	# * *
	4	# * Author: The ALICE Off-line Project. *
	5	# * Contributors are mentioned in the code where appropriate. *
	6	# * *
	7	# * Permission to use, copy, modify and distribute this software and its *
	8	# * documentation strictly for non-commercial purposes is hereby granted *
	9	# * without fee, provided that the above copyright notice appears in all *
	10	# * copies and that both the copyright notice and this permission notice *
	11	# * appear in the supporting documentation. The authors make no claims *
	12	# * about the suitability of this software for any purpose. It is *
	13	# * provided "as is" without express or implied warranty. *
	14	# **************************************************************************
	15
	16	# Checking for a proper ROOT installation based on the ROOTSYS variable
	17	# received during configuration
	18	# If proper root installation it is setting the following variables
	19	# - ROOT_VERSION - ROOT version as reported by root-config
	20	# - ROOT_VERSION_MAJOR
	21	# - ROOT_VERSIOM_MINOR
	22	# - ROOT_VERSION_PATCH
	23	# - ROOT_CONFIG - path to root-config script
	24	# - ROOT_CINT - path to rootcint executable
0224bae4	25	# - ROOT_LIBMAP - path to rlibmap executable
fffaf6a5	26	# - ROOT_FEATURES - list of build features for ROOT
fffaf6a5	27	# - ROOT_LIBDIR - full path to ROOT library folder
209fc56a	28	# - ROOT_ETCDIR - full path to the ROOT's configuration directory
fffaf6a5	29	# - ROOT_LIBRARIES - libraries needed for the package to be used
a0f34e87	30	# - ROOT_GLIBRARIES - regular + GUI ROOT libraries + path to be used during linking
aff16a25	31	# - ROOT_INCLUDE_DIR - full path to ROOT include folder
20fa67b6	32	# - ROOT_CXX_FLAGS - flags used by the C++ compiler for building ROOT
	33	# - ROOT_HAS_LIBCXX - TRUE if ROOT was built against libc++ (as opposed to libstdc++)
	34	# - ROOT_HAS_CXX11 - TRUE if ROOT was built with C++11 support
fffaf6a5	35	# - ROOT_HASALIEN - ROOT was built with AliEn support
aac9c09b	36	# - ROOT_HASOPENGL - ROOT was built with OpenGL support
fffaf6a5	37	# - ROOT_HASXML - ROOT was built with XML support
1c5dc89d	38	# - ROOT_HASMONALISA - ROOT was built with MonAlisa support - needed by SHUTTLE
1dbe1076	39	# - ROOT_FORTRAN - fortran compiler
fffaf6a5	40
36799128	41	set(ROOT_FOUND FALSE)
36799128	42
fffaf6a5	43	if(ROOTSYS)
	44	message(STATUS "Checking for a proper ROOT installation in ${ROOTSYS}.")
	45
aff16a25	46	# Setting defaults
fffaf6a5	47	set(ROOT_LIBDIR ${ROOTSYS}/lib)
aff16a25	48	set(ROOT_INCLUDE_DIR ${ROOTSYS}/include)
fffaf6a5	49
	50	# Check for root-config scripts
	51	find_program(ROOT_CONFIG NAMES root-config PATHS ${ROOTSYS}/bin NO_DEFAULT_PATH)
	52
36799128	53	if(NOT ROOT_CONFIG)
fffaf6a5	54	message(FATAL_ERROR "Could not find root-config script.")
36799128	55	endif(NOT ROOT_CONFIG)
9f4ff23c	56	mark_as_advanced(ROOT_CONFIG)
3c517eb8	57
0224bae4	58	# Check for rlibmap
8e186b29	59	find_program(ROOT_LIBMAP NAMES rlibmap rootcling PATHS ${ROOTSYS}/bin NO_DEFAULT_PATH)
0224bae4	60	if(ROOT_LIBMAP)
	61	message(STATUS "Found ${ROOT_LIBMAP}")
	62	else()
	63	message(FATAL_ERROR "Could not find rlibmap executable.")
	64	endif(ROOT_LIBMAP)
9f4ff23c	65	mark_as_advanced(ROOT_LIBMAP)
0224bae4	66
fffaf6a5	67	# Check for rootcint
	68	find_program(ROOT_CINT NAMES rootcint PATHS ${ROOTSYS}/bin NO_DEFAULT_PATH)
	69	if(ROOT_CINT)
	70	message(STATUS "Found ${ROOT_CINT}")
	71	else()
	72	message(FATAL_ERROR "Could not find rootcint executable.")
	73	endif(ROOT_CINT)
9f4ff23c	74	mark_as_advanced(ROOT_CINT)
fffaf6a5	75
	76	# Checking ROOT version
	77	execute_process(COMMAND ${ROOT_CONFIG} --version OUTPUT_VARIABLE ROOT_VERSION ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE )
	78	if(error)
	79	message(FATAL_ERROR "Error retrieving ROOT version : ${error}")
	80	endif(error)
6646d571	81	string(STRIP "${ROOT_VERSION}" ROOT_VERSION)
3c517eb8	82
fffaf6a5	83	# Extract major, minor, and patch versions from
	84	string(REGEX REPLACE "^([0-9]+)\\.[0-9][0-9]+\\/[0-9][0-9]+.*" "\\1" ROOT_VERSION_MAJOR "${ROOT_VERSION}")
	85	string(REGEX REPLACE "^[0-9]+\\.([0-9][0-9])+\\/[0-9][0-9]+.*" "\\1" ROOT_VERSION_MINOR "${ROOT_VERSION}")
	86	string(REGEX REPLACE "^[0-9]+\\.[0-9][0-9]+\\/([0-9][0-9]+).*" "\\1" ROOT_VERSION_PATCH "${ROOT_VERSION}")
	87	message(STATUS "Found ROOT version ${ROOT_VERSION_MAJOR}.${ROOT_VERSION_MINOR}.${ROOT_VERSION_PATCH}")
	88
	89	# Print ROOT features
	90	execute_process(COMMAND ${ROOT_CONFIG} --features OUTPUT_VARIABLE ROOT_FEATURES ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE )
	91	if(error)
	92	message(FATAL_ERROR "Error retrieving ROOT features : ${error}")
	93	else()
7345d84f	94	message(STATUS "ROOT was built with the following features: ${ROOT_FEATURES}")
fffaf6a5	95	endif(error)
6646d571	96	string(STRIP "${ROOT_FEATURES}" ROOT_FEATURES)
3c517eb8	97
fffaf6a5	98	# Checking for ROOT libdir
	99	execute_process(COMMAND ${ROOT_CONFIG} --libdir OUTPUT_VARIABLE ROOT_LIBDIR ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE )
	100	if(error)
	101	message(FATAL_ERROR "Error retrieving ROOT libdir: ${error}")
	102	endif(error)
6646d571	103	string(STRIP "${ROOT_LIBDIR}" ROOT_LIBDIR)
fffaf6a5	104
209fc56a	105	# Checking for ROOT etcdir
	106	execute_process(COMMAND ${ROOT_CONFIG} --etcdir OUTPUT_VARIABLE ROOT_ETCDIR ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE)
	107	if(error)
	108	message(FATAL_ERROR "Error retrieving ROOT etcdir: ${error}")
	109	endif(error)
	110	string(STRIP "${ROOT_ETCDIR}" ROOT_ETCDIR)
	111
0224bae4	112	# Checking for ROOT libs
a0f34e87	113	execute_process(COMMAND ${ROOT_CONFIG} --noldflags --libs OUTPUT_VARIABLE ROOT_LIBS ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE )
0224bae4	114	if(error)
	115	message(FATAL_ERROR "Error retrieving ROOT libdir: ${error}")
	116	endif(error)
6646d571	117	string(STRIP "${ROOT_LIBS}" ROOT_LIBS)
3c517eb8	118
a0f34e87	119	foreach(lib ${ROOT_LIBS})
	120	string(REPLACE "-rdynamic" "" new_lib ${lib})
	121	string(REPLACE "-l" "" lib ${new_lib})
	122	set(ROOT_LIBRARIES ${ROOT_LIBRARIES} ${lib})
	123	endforeach()
6646d571	124	string(STRIP "${ROOT_LIBRARIES}" ROOT_LIBRARIES)
a0f34e87	125	separate_arguments(ROOT_LIBRARIES)
3c517eb8	126
fffaf6a5	127	# Checking for ROOT incdir
	128	execute_process(COMMAND ${ROOT_CONFIG} --incdir OUTPUT_VARIABLE ROOT_INCDIR ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE )
	129	if(error)
	130	message(FATAL_ERROR "Error retrieving ROOT incdir: ${error}")
	131	endif(error)
6646d571	132	string(STRIP "${ROOT_INCDIR}" ROOT_INCDIR)
aff16a25	133	set(ROOT_INCLUDE_DIR ${ROOT_INCDIR})
3c517eb8	134
20fa67b6	135	# Setting ROOT compiler flags (except the -I parts) to a variable
	136	execute_process(COMMAND ${ROOT_CONFIG} --auxcflags OUTPUT_VARIABLE _ROOT_CXX_FLAGS ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE)
	137	if(error)
	138	message(FATAL_ERROR "Error retrieving ROOT compiler flags: ${error}")
	139	endif(error)
	140	string(STRIP "${_ROOT_CXX_FLAGS}" ROOT_CXX_FLAGS)
	141
	142	# Check if ROOT was built with libc++ (as opposed to stdlibc++)
	143	if(ROOT_CXX_FLAGS MATCHES "-stdlib=libc\\+\\+")
	144	set(ROOT_HAS_LIBCXX TRUE)
	145	else()
	146	set(ROOT_HAS_LIBCXX FALSE)
	147	endif()
	148
	149	# Check if ROOT was built with C++11 support
	150	if(ROOT_CXX_FLAGS MATCHES "-std=c\\+\\+11")
	151	message(STATUS "ROOT was built with C++11 support")
	152	set(ROOT_HAS_CXX11 TRUE)
	153	else()
	154	set(ROOT_HAS_CXX11 FALSE)
	155	endif()
	156
fffaf6a5	157	# Checking for glibs
a0f34e87	158	execute_process(COMMAND ${ROOT_CONFIG} --noldflags --glibs OUTPUT_VARIABLE ROOT_GLIBS ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE )
fffaf6a5	159	if(error)
	160	message(FATAL_ERROR "Error retrieving ROOT glibs: ${error}")
	161	endif(error)
	162
	163	# Checking for glibs
6646d571	164	string(STRIP "${ROOT_GLIBS}" ROOT_GLIBS)
a0f34e87	165
	166	foreach(lib ${ROOT_GLIBS})
	167	string(REPLACE "-rdynamic" "" new_lib "${lib}")
	168	string(REPLACE "-l" "" lib "${new_lib}")
	169	set(ROOT_GLIBRARIES ${ROOT_GLIBRARIES} ${lib})
	170	endforeach()
6646d571	171	string(STRIP "${ROOT_GLIBRARIES}" ROOT_GLIBRARIES)
a0f34e87	172	separate_arguments(ROOT_GLIBRARIES)
3c517eb8	173
a0f34e87	174	# Checking for AliEn support
dcf9b878	175	# If AliEn support is enabled we need to point to AliEn
fffaf6a5	176	execute_process(COMMAND ${ROOT_CONFIG} --has-alien OUTPUT_VARIABLE ROOT_HASALIEN ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE )
fffaf6a5	177	if(error)
7345d84f	178	message(FATAL_ERROR "Error checking if ROOT was built with AliEn support: ${error}")
fffaf6a5	179	endif(error)
b168bfa8	180
	181	#if defined
	182	if(ROOT_HASALIEN)
6646d571	183	string(STRIP "${ROOT_HASALIEN}" ROOT_HASALIEN)
b168bfa8	184	if(ROOT_HASALIEN STREQUAL "yes")
7345d84f	185	if(ALIEN)
	186	add_definitions(-DWITHALIEN)
	187
	188	# AliEn might bring some system libraries, we need to use them
	189	if(EXISTS "${ALIEN}/lib")
	190	link_directories(${ALIEN}/lib)
	191	endif()
	192
	193	# api/lib should always exists
	194	if(EXISTS "${ALIEN}/api/lib")
	195	link_directories(${ALIEN}/api/lib)
	196	endif()
	197
	198	# include for AliEn
	199	if(EXISTS "${ALIEN}/include")
	200	include_directories(SYSTEM ${ALIEN}/include)
	201	endif()
	202
	203	# api/include always exists
	204	if(EXISTS "${ALIEN}/api/include")
	205	include_directories(SYSTEM ${ALIEN}/api/include)
	206	endif()
	207
	208	set(ROOT_HASALIEN TRUE)
	209	else(ALIEN)
	210	message(FATAL_ERROR "ROOT was built with AliEn support but no AliEn installation found. Please set \"ALIEN\" to point to your AliEn installation.")
	211	endif(ALIEN)
4d31eb1c	212	else()
4d31eb1c	213	set(ROOT_HASALIEN FALSE)
b168bfa8	214	endif()
b168bfa8	215	endif(ROOT_HASALIEN)
3c517eb8	216
a0f34e87	217	# Checking for xml support
fffaf6a5	218	execute_process(COMMAND ${ROOT_CONFIG} --has-xml OUTPUT_VARIABLE ROOT_HASXML ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE )
fffaf6a5	219	if(error)
7345d84f	220	message(FATAL_ERROR "Error checking if ROOT was built with xml support: ${error}")
fffaf6a5	221	endif(error)
b168bfa8	222
	223	# if defined
	224	if(ROOT_HASXML)
6646d571	225	string(STRIP "${ROOT_HASXML}" ROOT_HASXML)
b168bfa8	226	if(ROOT_HASXML STREQUAL "yes")
b168bfa8	227	add_definitions(-DWITHXML)
4d31eb1c	228	set(ROOT_HASXML TRUE)
	229	else()
	230	set(ROOT_HASXML FALSE)
b168bfa8	231	endif()
b168bfa8	232	endif(ROOT_HASXML)
1dbe1076	233
1c5dc89d	234	# Checking for monalisa support
	235	execute_process(COMMAND ${ROOT_CONFIG} --has-monalisa OUTPUT_VARIABLE ROOT_HASMONALISA ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE )
	236	if(error)
	237	message(FATAL_ERROR "Error checking if ROOT was built with monalisa support: ${error}")
	238	endif(error)
	239
	240	# if defined
	241	if(ROOT_HASMONALISA)
	242	string(STRIP "${ROOT_HASMONALISA}" ROOT_HASMONALISA)
	243	if(ROOT_HASMONALISA STREQUAL "yes")
	244	set(ROOT_HASMONALISA TRUE)
	245	else()
	246	set(ROOT_HASMONALISA FALSE)
	247	endif()
	248	endif(ROOT_HASMONALISA)
	249
aac9c09b	250	# Checking for OpenGL support
	251	execute_process(COMMAND ${ROOT_CONFIG} --has-opengl OUTPUT_VARIABLE ROOT_HASOPENGL ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE )
	252	if(error)
7345d84f	253	message(FATAL_ERROR "Error checking if ROOT was built with OpenGL support: ${error}")
aac9c09b	254	endif(error)
4d31eb1c	255
4d31eb1c	256	if(ROOT_HASOPENGL)
6646d571	257	string(STRIP "${ROOT_HASOPENGL}" ROOT_HASOPENGL)
4d31eb1c	258	if(ROOT_HASOPENGL STREQUAL "yes")
	259	set(ROOT_HASOPENGL TRUE)
	260	else()
	261	set(ROOT_HASOPENGL FALSE)
	262	endif()
	263	endif()
	264
aac9c09b	265	# Checking for fortran compiler
1dbe1076	266	execute_process(COMMAND ${ROOT_CONFIG} --f77 OUTPUT_VARIABLE ROOT_FORTRAN ERROR_VARIABLE error OUTPUT_STRIP_TRAILING_WHITESPACE )
	267	if(error)
	268	message(FATAL_ERROR "Error checking ROOT fortran compiler: ${error}")
	269	endif(error)
6646d571	270	string(STRIP "${ROOT_FORTRAN}" ROOT_FORTRAN)
3c517eb8	271
aff16a25	272	# adding the libraries and the inc dir
aff16a25	273	link_directories(${ROOT_LIBDIR})
f0315837	274	# include_directories(SYSTEM ${ROOT_INCLUDE_DIR})
fffaf6a5	275	set(ROOT_FOUND TRUE)
f82bfa66	276
	277	# Workaround misssing XML, VMC, Minuit from ROOT static library
	278	# Also adding libzma.a libfreetype.a libpcre.a
	279	# To be removed where https://sft.its.cern.ch/jira/browse/ROOT-6904 issue is fixed
	280	if(ALIROOT_STATIC)
	281	message(WARNING "AliRoot static build enabled! libRootExtra.a will be created.\nPlease remove when ROOT https://sft.its.cern.ch/jira/browse/ROOT-6904 issue is fixed")
	282
7345d84f	283	# ROOT needs xml2 but it is not built with the static version so we have to add it
f82bfa66	284	find_package(LibXml2)
	285
	286	if(LIBXML2_FOUND)
	287
	288	# adding SSL
	289	find_package(OpenSSL)
	290
	291	if(OPENSSL_FOUND)
	292	file(GLOB _extraroot "${ROOTSYS}/montercarlo/vmc/src/.o" "${ROOTSYS}/tree/treeplayer/src/.o" "${ROOTSYS}/io/xmlparser/src/.o" "${ROOTSYS}/math/minuit2/src/.o")
	293	add_library(RootExtra STATIC ${_extraroot})
	294	set_target_properties(RootExtra PROPERTIES COMPILE_FLAGS "${LIBXML2_INCLUDE_DIR} ${OPENSSL_INCLUDE_DIR}")
	295	set_target_properties(RootExtra PROPERTIES LINKER_LANGUAGE CXX)
	296	target_link_libraries(RootExtra ${ROOT_LIBDIR}/libfreetype.a ${ROOT_LIBDIR}/libpcre.a ${ROOT_LIBDIR}/liblzma.a ${LIBXML2_LIBRARIES} ${OPENSSL_LIBRARIES})
	297	else()
	298	message(FATAL_ERROR "OpenSSL not found. Coould not generate the static RootExtra. Please install Openssl")
	299	endif()
	300	else()
	301	message(FATAL_ERROR "libxml2 not found. Can not generate the static RootExtra. Please install libxml2")
	302	endif()
	303	endif(ALIROOT_STATIC)
6db31708	304	else()
fffaf6a5	305	message(FATAL_ERROR "ROOT installation not found! Please point to the ROOT installation using -DROOTSYS=ROOT_INSTALL_DIR.")
6646d571	306	endif(ROOTSYS)