-# AliRoot Build System Module to find and configure ROOT
-#
-# Author: Johny Jose m(johny.jose@cern.ch)
-# Port of previous Makefile build to cmake
-
-cmake_minimum_required(VERSION 2.8.4 FATAL_ERROR)
-
-# We don't care if ROOTSYS environment variable is set or not -
-# all we care about is that we can find root-config in our path
-# set(ROOTSYS $ENV{ROOTSYS} CACHE STRING "" FORCE)
-# if(NOT ROOTSYS)
-# message(FATAL_ERROR "Environment variable $ROOTSYS is not set !")
-# else()
-# get_filename_component(ROOTSYS "${ROOTSYS}" REALPATH)
-# endif(NOT ROOTSYS)
-find_program(ROOT_CONFIG NAMES root-config)
-find_program(ROOTCINT NAMES rootcint)
-if(NOT ROOT_CONFIG)
- message(FATAL_ERROR "root-config is not installed on this system")
-endif(NOT ROOT_CONFIG)
-message(STATUS "Check for root-config: ${ROOT_CONFIG}")
-message(STATUS "Check for rootcint: ${ROOTCINT}")
-if(ROOT_CONFIG AND ROOTCINT)
- set(ROOT_FOUND TRUE)
- ALICE_RootConfig(ROOT_VERSION --version)
- message(STATUS "ROOT ${ROOT_VERSION} found")
- ALICE_RootConfig(ROOTLIBDIR --libdir)
- ALICE_RootConfig(ROOTPLUGDIR --version)
- string(REGEX REPLACE "(^.*/)[^/]+" "${ROOTLIBDIR}/\\1" ROOTPLUGDIR ${ROOTPLUGDIR})
- ALICE_RootConfig(ROOTINCDIR --incdir)
- ALICE_RootConfig(ROOTCLIBS --glibs)
- ALICE_RootConfig(ROOTHASALIEN --has-alien)
- ALICE_RootConfig(ROOTHASXML --has-xml)
- # ALICE_RootConfig(ROOTHASVC --has-vc)
- set(ROOTCLIBS "${ROOTCLIBS} -lThread -lMinuit -lVMC -lEG -lGeom -lTreePlayer -lXMLIO -lXMLParser -lProof -lProofPlayer -lMLP -lSpectrum -L${ROOTPLUGDIR}" )
- # if(${ROOTHASVC} STREQUAL "yes")
- # set(ROOTCLIBS "${ROOTCLIBS} -lVc")
- # endif(${ROOTHASVC} STREQUAL "yes")
- set(ROOTPLIBS $ENV{ROOTPLIBS})
- if(NOT $ENV{ROOTSYS})
- message(STATUS "ROOTSYS directory : ${ROOTSYS}")
- else()
- message(STATUS "ROOTSYS directory : not set - assume prefix build")
- endif(NOT $ENV{ROOTSYS})
- message(STATUS "ROOT include directory: ${ROOTINCDIR}")
- message(STATUS "ROOT library directory: ${ROOTLIBDIR}")
- # message(STATUS "ROOT libraries: ${ROOTCLIBS}")
- # message(STATUS "ROOT has Vc: ${ROOTHASVC}")
- # message(STATUS "ROOT has XML: ${ROOTHASXML}")
- set(ROOT6_ALPHA "5.99.1")
- string(REGEX REPLACE "/0*" "." ROOT_DOTVERSION ${ROOT_VERSION})
- if(ROOT_DOTVERSION VERSION_GREATER ROOT6_ALPHA)
- message(WARNING
- "Compling and linking against ROOT6 alpha is highly experimental")
- endif(ROOT_DOTVERSION VERSION_GREATER ROOT6_ALPHA)
+# **************************************************************************
+# * 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_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_HASALIEN - ROOT was built with AliEn support
+# - ROOT_HASOPENGL - ROOT was built with OpenGL support
+# - ROOT_HASXML - ROOT was built with XML support
+# - 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)
+
+ # Check for rlibmap
+ find_program(ROOT_LIBMAP NAMES rlibmap 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)
+
+ # 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)
+
+ # 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 build 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 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})
+
+ # 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 build with AliEn support: ${error}")
+ endif(error)
+
+ #if defined
+ if(ROOT_HASALIEN)
+ string(STRIP ${ROOT_HASALIEN} ROOT_HASALIEN)
+ if(ROOT_HASALIEN STREQUAL "yes")
+ if(ALIEN)
+ add_definitions(-DWITHALIEN)
+
+ # AliEn might bring some system libraries, we need to follow them
+ link_directories(${ALIEN}/lib)
+ link_directories(${ALIEN}/api/lib)
+
+ # include for AliEn
+ include_directories(${ALIEN}/include)
+
+ set(ROOT_HASALIEN TRUE)
+ else(ALIEN)
+ message(FATAL_ERROR "ROOT was build 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 build 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 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 build 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(${ROOT_INCLUDE_DIR})
+ set(ROOT_FOUND TRUE)
+
+ # Workaround misssing XML, VMC, Minuit from ROOT static library
+ # Also adding libzma.a libfreetype.a libpcre.a
+ # To be removed where https://sft.its.cern.ch/jira/browse/ROOT-6904 issue is fixed
+ if(ALIROOT_STATIC)
+ message(WARNING "AliRoot static build enabled! libRootExtra.a will be created.\nPlease remove when ROOT https://sft.its.cern.ch/jira/browse/ROOT-6904 issue is fixed")
+
+ # ROOT needs xml2 but it is not build with the static version so we have to add it
+ find_package(LibXml2)
+
+ if(LIBXML2_FOUND)
+
+ # adding SSL
+ find_package(OpenSSL)
+
+ if(OPENSSL_FOUND)
+ file(GLOB _extraroot "${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)