#-----------------------------------------------------------------------------
# BUILDS AND INSTALLS THE LIBRARY BBTK
#-----------------------------------------------------------------------------


#-----------------------------------------------------------------------------
# Tests 
#-----------------------------------------------------------------------------


#-----------------------------------------------------------------------------
# Test if compiler defines the pseudo-macro __FUNCTION__
IF("BBTK_COMPILER_HAS_FUNCTION" MATCHES "^BBTK_COMPILER_HAS_FUNCTION$")
  MESSAGE(STATUS "Checking support for __FUNCTION__ in compiler")
  TRY_COMPILE(BBTK_COMPILER_HAS_FUNCTION
              ${CMAKE_CURRENT_BINARY_DIR}/CMakeTmp/Function
              ${CMAKE_CURRENT_SOURCE_DIR}/cmake/bbtkTestFUNCTION.cxx
              OUTPUT_VARIABLE OUTPUT)
  IF(BBTK_COMPILER_HAS_FUNCTION)
    MESSAGE(STATUS "Checking support for __FUNCTION__ -- yes")
    SET(BBTK_COMPILER_HAS_FUNCTION 1 CACHE INTERNAL "Support for extension C __FUNCTION__")
    WRITE_FILE(${CMAKE_CURRENT_BINARY_DIR}/CMakeOutput.log
      "Determining if the C compiler supports __FUNCTION__ "
      "passed with the following output:\n"
      "${OUTPUT}\n" APPEND)
  ELSE(BBTK_COMPILER_HAS_FUNCTION)
    MESSAGE(STATUS "Checking support for __FUNCTION__ -- no")
    SET(BBTK_COMPILER_HAS_FUNCTION 0 CACHE INTERNAL "Support for extension C __FUNCTION__")
    WRITE_FILE(${CMAKE_CURRENT_BINARY_DIR}/CMakeError.log
      "Determining if the C compiler supports __FUNCTION__ "
      "failed with the following output:\n"
      "${OUTPUT}\n" APPEND)
  ENDIF(BBTK_COMPILER_HAS_FUNCTION)
ENDIF("BBTK_COMPILER_HAS_FUNCTION" MATCHES "^BBTK_COMPILER_HAS_FUNCTION$")
#-----------------------------------------------------------------------------

#-----------------------------------------------------------------------------
# Test is compiler support istringstream
IF("BBTK_TEST_ISTRINGSTREAM" MATCHES "^BBTK_TEST_ISTRINGSTREAM$")
  MESSAGE(STATUS "Checking istringstream")
  TRY_RUN(BBTK_TEST_ISTRINGSTREAM BBTK_TEST_ISTRINGSTREAM_COMPILED
          ${CMAKE_CURRENT_BINARY_DIR}/CMakeTmp/
          ${CMAKE_CURRENT_SOURCE_DIR}/cmake/bbtkTestIstringStream.cxx)
  IF(BBTK_TEST_ISTRINGSTREAM_COMPILED)
    IF(BBTK_TEST_ISTRINGSTREAM)
      MESSAGE(STATUS "Checking istringstream works -- yes")
      SET(BBTK_TEST_ISTRINGSTREAM 1 CACHE INTERNAL "Whether istringstream works.")
    ELSE(BBTK_TEST_ISTRINGSTREAM)
      MESSAGE(STATUS "Checking istringstream works -- no")
      SET(BBTK_TEST_ISTRINGSTREAM 0 CACHE INTERNAL "Whether istringstream works.")
    ENDIF(BBTK_TEST_ISTRINGSTREAM)
  ELSE(BBTK_TEST_ISTRINGSTREAM_COMPILED)
    MESSAGE(STATUS "Checking istringstream -- failed")
  ENDIF(BBTK_TEST_ISTRINGSTREAM_COMPILED)
ENDIF("BBTK_TEST_ISTRINGSTREAM" MATCHES "^BBTK_TEST_ISTRINGSTREAM$")
#-----------------------------------------------------------------------------

#-----------------------------------------------------------------------------
INCLUDE (${CMAKE_ROOT}/Modules/CheckIncludeFile.cmake)
CHECK_INCLUDE_FILE("stdint.h"       CMAKE_HAVE_STDINT_H)
IF(UNIX) #Avoid polluting Win32 cmakecache
  CHECK_INCLUDE_FILE("inttypes.h"   CMAKE_HAVE_INTTYPES_H)
  # termios 
  CHECK_INCLUDE_FILE("termios.h"   CMAKE_HAVE_TERMIOS_H)
ENDIF(UNIX)
# Special Time support, two conventions: *NIX vs Win32
CHECK_INCLUDE_FILE("sys/times.h"    CMAKE_HAVE_SYS_TIMES_H)
CHECK_INCLUDE_FILE("sys/timeb.h"    CMAKE_HAVE_SYS_TIMEB_H)
#-----------------------------------------------------------------------------

  

#-----------------------------------------------------------------------------
# bbtk library dependencies
#-----------------------------------------------------------------------------

#-----------------------------------------------------------------------------
# WXWIDGETS
OPTION(BBTK_USE_WXWIDGETS "Build bbtk library and applications in graphical mode using the wxWidgets library" OFF)

IF(BBTK_USE_WXWIDGETS)
  SET(USE_WXWIDGETS ON CACHE BOOL "Use WxWidgets" FORCE)

#  INCLUDE(cmake/FIND_AND_USE_WXWIDGETS.cmake)
#  FIND_AND_USE_WXWIDGETS()
#  ADD_DEF( _USE_WXWIDGETS_ )
  SET(BBTK_LINK_LIBRARIES
    ${BBTK_LINK_LIBRARIES}
    ${BBTK_WXWIDGETS_LIBRARIES} 
    )
ENDIF(BBTK_USE_WXWIDGETS)
#-----------------------------------------------------------------------------

#-----------------------------------------------------------------------------
# On unix systems, need to link against dl for dynamic librairies open/close
IF(UNIX)
  SET(BBTK_LINK_LIBRARIES
    ${BBTK_LINK_LIBRARIES}
    dl) 
ENDIF(UNIX)
#-----------------------------------------------------------------------------

#-----------------------------------------------------------------------------
# EO bbtk library dependencies
#-----------------------------------------------------------------------------







#-----------------------------------------------------------------------------
# Generates the bbtkConfigure.h file
#-----------------------------------------------------------------------------

#-----------------------------------------------------------------------------
CONFIGURE_FILE(${CMAKE_CURRENT_SOURCE_DIR}/cmake/bbtkConfigure.h.in
               ${CMAKE_CURRENT_BINARY_DIR}/bbtkConfigure.h 
	       @ONLY IMMEDIATE
               )
#-----------------------------------------------------------------------------

#-----------------------------------------------------------------------------
IF(NOT BBTK_INSTALL_NO_DEVELOPMENT)
  INSTALL_FILES(/include/bbtk FILES bbtkConfigure.h)
ENDIF(NOT BBTK_INSTALL_NO_DEVELOPMENT)
#-----------------------------------------------------------------------------

#-----------------------------------------------------------------------------
# Add the path to current dir for apps to find bbtkConfigure.h
# LG : already done in upper dir
#INCLUDE_DIRECTORIES(
#  ${CMAKE_CURRENT_BINARY_DIR} #for bbtkConfigure.h
#)
#-----------------------------------------------------------------------------

#-----------------------------------------------------------------------------
# EO Generates the bbtkConfigure.h file
#-----------------------------------------------------------------------------







#-----------------------------------------------------------------------------
# bbtk library creation
#-----------------------------------------------------------------------------

#-----------------------------------------------------------------------------
# Sources files 
FILE(GLOB SOURCES "." "*.cxx" "*.cpp")
FILE(GLOB SOURCES_H "." "*.h" )
#-----------------------------------------------------------------------------
# lib definition
ADD_LIBRARY(bbtk SHARED ${SOURCES} ${SOURCES_H})
#-----------------------------------------------------------------------------
TARGET_LINK_LIBRARIES(bbtk ${BBTK_LINK_LIBRARIES})
#-----------------------------------------------------------------------------

#IF(UNIX)
# for gnu linker : version script used to define exported symbols
#SET_TARGET_PROPERTIES(bbtk PROPERTIES 
#  LINK_FLAGS_DEBUG -Wl,--version-script=bbtk.map)
#SET_TARGET_PROPERTIES(bbtk PROPERTIES
#  LINK_FLAGS_RELEASE -Wl,--version-script=bbtk.map)
#ENDIF(UNIX)
#-----------------------------------------------------------------------------

#-----------------------------------------------------------------------------
# EO bbtk library creation
#-----------------------------------------------------------------------------






#-----------------------------------------------------------------------------
# bbtk library installation
#-----------------------------------------------------------------------------

#-----------------------------------------------------------------------------
INSTALL_FILES(/include/bbtk "\\.h$")
INSTALL_TARGETS(/lib bbtk)
#-----------------------------------------------------------------------------


#-----------------------------------------------------------------------------
# TO DO : create FindBBTK.cmake
#INCLUDE(InstallFindBBTK.cmake)
#-----------------------------------------------------------------------------


#-----------------------------------------------------------------------------
# EO bbtk library installation
#-----------------------------------------------------------------------------



#-----------------------------------------------------------------------------
# EOF
#-----------------------------------------------------------------------------