PAR: pass proper defines for certain ROOT features

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

# 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${ROOTPLUGDIR}" )
  set(ROOTCLIBS "${ROOTCLIBS} -lThread -lMinuit -lVMC -lEG -lGeom -lTreePlayer -lXMLIO -lXMLParser -lProof -lProofPlayer -lMLP -lSpectrum" )
  # 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)
else()
  message(FATAL_ERROR "rootcint not found ! Please check your ROOT installation.")
endif(ROOT_CONFIG AND ROOTCINT)