#----------------------------------------------------------------------------
# BINARY DIR MUST BE IN INCLUDE DIRS 
# TO FIND .h OF AUTOMATICALLY GENERATED FILES (e.g. FROM XML)
INCLUDE_DIRECTORIES( ${CMAKE_CURRENT_BINARY_DIR} ) 
# SOURCES DIR MUST ALSO BE IN INCLUDE DIRS FOR FILES COMPILED IN BINARY DIR 
# WHICH NEED TO INCLUDE OTHER FILES OF THE PACKAGE
INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR} )
#----------------------------------------------------------------------------

#----------------------------------------------------------------------------
# CREATES bb${BBTK_PACKAGE_NAME}Package.h
CONFIGURE_FILE(
  ${BBTK_CMAKE_DIR}/bbPackage.h.in
  ${CMAKE_CURRENT_BINARY_DIR}/bb${BBTK_PACKAGE_NAME}Package.h
  @ONLY IMMEDIATE
  ) 
INSTALL(
  FILES bb${BBTK_PACKAGE_NAME}Package.h
  DESTINATION include/bb${BBTK_PACKAGE_NAME} 
  )
#----------------------------------------------------------------------------
  
#----------------------------------------------------------------------------
# CREATES bb${BBTK_PACKAGE_NAME}Package.cxx
CONFIGURE_FILE(
  ${BBTK_CMAKE_DIR}/bbPackage.cxx.in
  ${CMAKE_CURRENT_BINARY_DIR}/bb${BBTK_PACKAGE_NAME}Package.cxx
  @ONLY IMMEDIATE
  )
#----------------------------------------------------------------------------

#----------------------------------------------------------------------------
SET_SOURCE_FILES_PROPERTIES(
  ${CMAKE_CURRENT_BINARY_DIR}/bb${BBTK_PACKAGE_NAME}Package.cxx
  PROPERTIES GENERATED ON)
#----------------------------------------------------------------------------


#----------------------------------------------------------------------------
IF(BBTK_PACKAGE_COMPILE_ALL_CXX) 
  FILE(GLOB BBTK_PACKAGE_CXX_SOURCES "." "*.cxx")
  FILE(GLOB BBTK_PACKAGE_H_SOURCES "." "*.h")
ENDIF(BBTK_PACKAGE_COMPILE_ALL_CXX) 


SET(BBTK_PACKAGE_CXX_SOURCES
  ${BBTK_PACKAGE_CXX_SOURCES}
  #${CMAKE_CURRENT_BINARY_DIR_NAME}/
  bb${BBTK_PACKAGE_NAME}Package
  )
#----------------------------------------------------------------------------


#----------------------------------------------------------------------------
#----------------------------------------------------------------------------
# bbfy
#----------------------------------------------------------------------------

#----------------------------------------------------------------------------
IF(BBTK_PACKAGE_COMPILE_ALL_XML) 
  FILE(GLOB BBTK_PACKAGE_XML_SOURCES "." "*.xml")
ENDIF(BBTK_PACKAGE_COMPILE_ALL_XML) 
#----------------------------------------------------------------------------
FOREACH(xmlfile ${BBTK_PACKAGE_XML_SOURCES})
  
  GET_FILENAME_COMPONENT(filename "${xmlfile}" NAME_WE) 
  
  IF(EXISTS ${BBTK_BBFY})
    SET(BBFY_DEPENDENCY)
  ELSE(EXISTS ${BBTK_BBFY})
    SET(BBFY_DEPENDENCY ${BBTK_BBFY})
  ENDIF(EXISTS ${BBTK_BBFY})
  
  SET(BBFY_CXX_OUT ${CMAKE_CURRENT_BINARY_DIR}/${filename}.cxx)
  
  ADD_CUSTOM_COMMAND(
    OUTPUT ${BBFY_CXX_OUT}
    COMMAND 
    ${BBTK_BBFY} ${xmlfile} ${CMAKE_CURRENT_BINARY_DIR}/ -q
    DEPENDS ${xmlfile}
    ${BBFY_DEPENDENCY} 
    )
  
  SET_SOURCE_FILES_PROPERTIES(
    ${BBFY_CXX_OUT}
    PROPERTIES GENERATED ON)
  
  
  IF(NOT BBTK_PACKAGE_CXX_SOURCES MATCHES "${filename}")
    SET(BBTK_PACKAGE_CXX_SOURCES
      ${BBTK_PACKAGE_CXX_SOURCES}
      ${filename}
      )
  ENDIF(NOT BBTK_PACKAGE_CXX_SOURCES MATCHES "${filename}") 
  
  INSTALL(
    FILES       ${filename}.h 
    DESTINATION include/bb${BBTK_PACKAGE_NAME})  

ENDFOREACH(xmlfile)
#----------------------------------------------------------------------------



#----------------------------------------------------------------------------
# CREATES LIBRARY
ADD_LIBRARY(bb${BBTK_PACKAGE_NAME} SHARED 
  ${BBTK_PACKAGE_CXX_SOURCES} ${BBTK_PACKAGE_H_SOURCES}
  )
TARGET_LINK_LIBRARIES(bb${BBTK_PACKAGE_NAME} 
  bbtk
  ${BBTK_PACKAGE_LIBS}
  )
#----------------------------------------------------------------------------


#----------------------------------------------------------------------------
# INSTALLS LIBRARY
FILE(GLOB ${BBTK_PACKAGE_NAME}_HEADERS "*.h")
INSTALL(
  FILES ${${BBTK_PACKAGE_NAME}_HEADERS}
  DESTINATION include/bb${BBTK_PACKAGE_NAME}
  )  
INSTALL(
  TARGETS bb${BBTK_PACKAGE_NAME} 
  DESTINATION lib)

# CreateFindPackage
SET( LIBRARY_NAME bb${BBTK_PACKAGE_NAME} )
# SET THE LIB VERSION
SET(${LIBRARY_NAME}_MAJOR_VERSION ${BBTK_PACKAGE_MAJOR_VERSION})
SET(${LIBRARY_NAME}_MINOR_VERSION ${BBTK_PACKAGE_MINOR_VERSION})
SET(${LIBRARY_NAME}_BUILD_VERSION ${BBTK_PACKAGE_BUILD_VERSION})
# 
SET(${LIBRARY_NAME}_INSTALL_FOLDER bb${BBTK_PACKAGE_NAME})
SET(${LIBRARY_NAME}_LIBRARIES bb${BBTK_PACKAGE_NAME})

FILE(RELATIVE_PATH 
  ${LIBRARY_NAME}_BUILD_TREE_RELATIVE_INCLUDE_PATHS 
  ${PROJECT_SOURCE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}
  )

IF(UNIX)
  SET(${LIBRARY_NAME}_BUILD_TREE_RELATIVE_LIBRARY_PATHS 
    ${EXECUTABLE_OUTPUT_REL_PATH})
ELSE(UNIX)
  SET(${LIBRARY_NAME}_BUILD_TREE_RELATIVE_LIBRARY_PATHS 
    ${EXECUTABLE_OUTPUT_REL_PATH}/Debug
    ${EXECUTABLE_OUTPUT_REL_PATH}/Release)
ENDIF(UNIX)
SET(${LIBRARY_NAME}_INSTALL_TREE_RELATIVE_INCLUDE_PATHS 
  include/bb${BBTK_PACKAGE_NAME})
SET(${LIBRARY_NAME}_INSTALL_TREE_RELATIVE_LIBRARY_PATHS lib)

# OPTIONAL 
# - Set the version of your library
# SET YOUR LIB VERSION
#SET(${LIBRARY_NAME}_MAJOR_VERSION 1)
#SET(${LIBRARY_NAME}_MINOR_VERSION 0)
#SET(${LIBRARY_NAME}_BUILD_VERSION 0)
# REQUIRED BUILD FLAGS
#SET(${LIBRARY_NAME}_REQUIRED_C_FLAGS "")
#SET(${LIBRARY_NAME}_REQUIRED_CXX_FLAGS "")
#SET(${LIBRARY_NAME}_REQUIRED_LINK_FLAGS "")
# ADDITIONAL CONFIG FILE
# HERE WE USE ONE TO EXPORT testLib_EXPORTED_VALUE
# 
SET(${LIBRARY_NAME}_HAS_ADDITIONAL_CONFIG_FILE FALSE)
#SET(${LIBRARY_NAME}_ADDITIONAL_CONFIG_FILE 
#  ${PROJECT_SOURCE_DIR}/kernel/cmake/AdditionalBBTKConfig.cmake.in)
#SET(${LIBRARY_NAME}_ADDITIONAL_USE_FILE 
#  ${PROJECT_SOURCE_DIR}/kernel/cmake/AdditionalUseBBTK.cmake.in)
#-----------------------------------------------------------------------------

#-----------------------------------------------------------------------------
# Includes CMakeCreateFindPackage
INCLUDE(${CMakeCreateFindPackage_DIR}/CMakeCreateFindPackage.cmake)
CMAKE_CREATE_FIND_PACKAGE(${LIBRARY_NAME})
#-----------------------------------------------------------------------------

#----------------------------------------------------------------------------




#---------------------------------------------------------------------------
IF(CHCON_LIBRARIES)
  # On recent linux running SELinux : 
  # Have to change the context of the library created 
  # to be able to load it dynamically and avoid the error : 
  # "cannot restore segment prot after reloc: Permission denied"
  # see e.g. 
  # http://www.ittvis.com/services/techtip.asp?ttid=3092
  # Try to find chcon
  FIND_PROGRAM(CHCON_EXECUTABLE
    NAMES chcon
    PATHS
    /usr/bin
    /usr/local/bin
    )
  MARK_AS_ADVANCED(CHCON_EXECUTABLE)
  IF(CHCON_EXECUTABLE)
    # chcon found 
    # custom post_build command to change the context of the .so generated
    ADD_CUSTOM_COMMAND(
      TARGET bb${BBTK_PACKAGE_NAME}
      POST_BUILD
      COMMAND chcon -t texrel_shlib_t ${LIBRARY_OUTPUT_PATH}/libbb${BBTK_PACKAGE_NAME}.so
      ) 
    # custom post-install command to change the context of the .so installed
    INSTALL(CODE "EXEC_PROGRAM(chcon ARGS -t texrel_shlib_t ${CMAKE_INSTALL_PREFIX}/lib/libbb${BBTK_PACKAGE_NAME}.so)")
  ENDIF(CHCON_EXECUTABLE)
ENDIF(CHCON_LIBRARIES)
#----------------------------------------------------------------------------