cmake_minimum_required(VERSION 2.6)

#check for ENV variables that are needed
IF(NOT DEFINED ENV{ROOTSYS})
   MESSAGE(FATAL_ERROR "You did not set the environment variable ROOTSYS. Please check your ROOT configuration.") 
ENDIF(NOT DEFINED ENV{ROOTSYS})
#IF(NOT DEFINED ENV{GENFIT})
#   MESSAGE(FATAL_ERROR "You did not set the environment variable GENFIT.") 
#ENDIF(NOT DEFINED ENV{GENFIT})

INCLUDE_DIRECTORIES($ENV{ROOTSYS}/include ${GENFIT}/core)

set(GENFIT_SRCS GFAbsRecoHit.cxx GFAbsTrackRep.cxx GFBookkeeping.cxx
GFDetPlane.cxx GFException.cxx GFKalman.cxx GFPlanarHitPolicy.cxx
GFRecoHitFactory.cxx GFRecoHitProducer.cxx GFSpacepointHitPolicy.cxx
GFTools.cxx GFTrackCand.cxx GFTrack.cxx GFWireHitPolicy.cxx
GFWirepointHitPolicy.cxx GFConstField.cxx GFFieldManager.cxx
GFAbsFinitePlane.cxx GFRectFinitePlane.cxx
GFDaf.cxx GFDafHit.cxx
GFMaterialEffects.cxx GFTrackProximity.cxx)

set(GENFIT_HEADERS  GFAbsBField.h GFAbsRecoHit.h GFAbsTrackRep.h
GFBookkeeping.h GFDetPlane.h GFException.h GFKalman.h
GFPlanarHitPolicy.h GFRecoHitFactory.h GFRecoHitIfc.h
GFRecoHitProducer.h GFSpacepointHitPolicy.h GFTools.h GFTrackCand.h 
GFTrack.h GFWireHitPolicy.h GFWirepointHitPolicy.h GFConstField.h
GFFieldManager.h GFAbsFinitePlane.h GFRectFinitePlane.h
GFDaf.h GFDafHit.h
GFMaterialEffects.h GFTrackProximity.h)

set(GENFIT_LINKDEF  genfitLinkDef.h)
set(GENFIT_DICTIONARY genfitDict.cxx) 

FIND_PROGRAM(ROOT_CINT_EXECUTABLE
	NAMES rootcint
	PATHS $ENV{ROOTSYS}/bin
	NO_DEFAULT_PATH)

ADD_CUSTOM_COMMAND(OUTPUT ${CMAKE_BINARY_DIR}/${GENFIT_DICTIONARY}
	COMMAND ${ROOT_CINT_EXECUTABLE}
      	ARGS -f ${CMAKE_BINARY_DIR}/${GENFIT_DICTIONARY} -c -DHAVE_CONFIG_H
      	-I${GENFIT}/core ${GENFIT_HEADERS} ${GENFIT_LINKDEF}
      	DEPENDS ${GENFIT_HEADERS} ${GENFIT_LINKDEF})

SET(GENFIT_SRCS ${GENFIT_SRCS} ${CMAKE_BINARY_DIR}/${GENFIT_DICTIONARY})
#SET(GENFIT_SRCS ${GENFIT_SRCS} ${GENFIT_DICTIONARY})

################ install ###################

#add ROOT lib
Execute_process(COMMAND root-config --glibs --cflags
	OUTPUT_VARIABLE ROOT_LIBS
    	OUTPUT_STRIP_TRAILING_WHITESPACE)



ADD_LIBRARY(genfit SHARED ${GENFIT_SRCS})
TARGET_LINK_LIBRARIES(genfit ${ROOT_LIBS}  -lGeom -lVMC -lEG)

INSTALL(TARGETS genfit DESTINATION ${GENFITLIBINSTALLDIR})