CMAKE_MINIMUM_REQUIRED(VERSION 2.8.2 FATAL_ERROR)

PROJECT(HIGHWAY)

SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake/modules")
INCLUDE(FairMacros)
INCLUDE(WriteConfigFile)
INCLUDE(CheckCompiler)

#Check the compiler and set the compile and link flags
IF(NOT CMAKE_BUILD_TYPE)
  MESSAGE("Set BuildType DEBUG")
  SET(CMAKE_BUILD_TYPE Debug)
ENDIF(NOT CMAKE_BUILD_TYPE)
Check_Compiler()

ENABLE_TESTING()
INCLUDE(CTest)

# export file: copy it to the build tree on every build invocation and add rule for installation
FUNCTION(CM_EXPORT_FILE FILE DEST)
  IF   (NOT TARGET export-files)
    ADD_CUSTOM_TARGET(export-files ALL COMMENT "Exporting files into build tree")
  ENDIF(NOT TARGET export-files)
  GET_FILENAME_COMPONENT(FILENAME "${FILE}" NAME)
  ADD_CUSTOM_COMMAND(TARGET export-files COMMAND ${CMAKE_COMMAND} -E copy_if_different "${CMAKE_CURRENT_SOURCE_DIR}/${FILE}" "${CMAKE_CURRENT_BINARY_DIR}/${DEST}/${FILENAME}")
  INSTALL(FILES "${FILE}" DESTINATION "${DEST}")
ENDFUNCTION(CM_EXPORT_FILE)

SET(LIBRARY_OUTPUT_PATH "${CMAKE_BINARY_DIR}/lib")
SET(EXECUTABLE_OUTPUT_PATH "${CMAKE_BINARY_DIR}/bin")
SET(INCLUDE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/include")

SET(HIGHWAY_MAJOR_VERSION 0)
SET(HIGHWAY_MINOR_VERSION 0)
SET(HIGHWAY_PATCH_VERSION 0)
 
IF(NOT DEFINED ENV{SIMPATH})
   MESSAGE(FATAL_ERROR "You did not define the environment variable SIMPATH which is needed to find the external packages. Please set this variable and execute cmake again.") 
ENDIF(NOT DEFINED ENV{SIMPATH})
STRING(REGEX MATCHALL "[^:]+" PATH $ENV{PATH})
SET(SIMPATH $ENV{SIMPATH})

MESSAGE(STATUS "SIMPATH - ${SIMPATH}")
MESSAGE(STATUS "ENV{PANDAROOT} - $ENV{PANDAROOT}")

SET(ROOTSYS ${SIMPATH})
SET(ROOT_MIN_VERSION "5.24/00")
find_package(ROOT REQUIRED)
IF(ROOT_INSTALLED_VERSION_TOO_OLD)
  MESSAGE( FATAL_ERROR "Invalid ROOT version \"${ROOTVERSION}\", at least version  \"${ROOT_MIN_VERSION}\" is required, or external packages jul09")
ENDIF (ROOT_INSTALLED_VERSION_TOO_OLD)

SET(CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "-std=c++11" )

#FIND_PACKAGE(RuleChecker)
FIND_PACKAGE(GTest)
FIND_PACKAGE(Threads)
FIND_PACKAGE(ZeroMQ)
SET(Boost_NO_SYSTEM_PATHS TRUE)
SET(Boost_NO_BOOST_CMAKE TRUE)
set(BOOST_ROOT ${SIMPATH})
SET(Boost_USE_MULTITHREADED ON)
FIND_PACKAGE(Boost COMPONENTS regex system filesystem)
SET(PANDAROOT_INCLUDE_DIR
  $ENV{PANDAROOT} 
  "$ENV{PANDAROOT}/base"
  "$ENV{PANDAROOT}/fairtools"
  "$ENV{PANDAROOT}/pnddata/TrackData"
  "$ENV{PANDAROOT}/trackbase"
  "$ENV{PANDAROOT}/pnddata"
)
SET(PANDAROOT_LIBRARY_DIR "$ENV{PANDAROOT}/build/lib")

ADD_SUBDIRECTORY(src)
ADD_SUBDIRECTORY(unit)