cmake_minimum_required(VERSION 2.6)


#check for ENV variables that are needed
#IF(NOT DEFINED ENV{VMC})
#   MESSAGE(FATAL_ERROR "You did not set the environment variable VMC. Please set to your geant3 VMC installation.")
#ENDIF(NOT DEFINED ENV{VMC})
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  
$ENV{ROOTSYS}/include  
${GENFIT}/core/include 
${GENFIT}/measurements/include 
${GENFIT}/fitters/include 
${GENFIT}/fields/include 
${GENFIT}/trackReps/include
${GENFIT}/GeaneTrackRep2 
${VMC}/TGeant3)


AUX_SOURCE_DIRECTORY($ENV{GENFIT}/GeaneTrackRep2 GENFIT_GEANE_SRCS)

SET(GENFIT_GEANE_HEADERS GeaneTrackRep2.h GeaneMCApplication.h)


set(GENFIT_GEANE_LINKDEF  genfitGeaneLinkDef.h)
set(GENFIT_GEANE_DICTIONARY genfitGeaneDict.cxx) 

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

ADD_CUSTOM_COMMAND(OUTPUT ${CMAKE_BINARY_DIR}/${GENFIT_GEANE_DICTIONARY}
	COMMAND ${ROOT_CINT_EXECUTABLE}
      	ARGS -f ${CMAKE_BINARY_DIR}/${GENFIT_GEANE_DICTIONARY} -c -DHAVE_CONFIG_H  -I${GENFIT}/core -I${VMC}/TGeant3 -I${GENFIT}/GeaneTrackRep2
      	${GENFIT_GEANE_HEADERS} ${GENFIT_GEANE_LINKDEF}
      	DEPENDS ${GENFIT_GEANE_HEADERS} ${GENFIT_GEANE_LINKDEF})

SET(GENFIT_GEANE_SRCS ${GENFIT_GEANE_SRCS} ${CMAKE_BINARY_DIR}/${GENFIT_GEANE_DICTIONARY})
#SET(GENFIT_GEANE_SRCS ${GENFIT_GEANE_SRCS} ${GENFIT_GEANE_DICTIONARY})

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

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



ADD_LIBRARY(genfitGeane SHARED ${GENFIT_GEANE_SRCS})
TARGET_LINK_LIBRARIES(genfitGeane -L${GENFITLIBDIR} -lgenfit  ${ROOT_LIBS} -lGeom -lVMC -lEG)
INSTALL(TARGETS genfitGeane DESTINATION ${GENFITLIBINSTALLDIR} )