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#=============================================================================
# Copyright 2009 Kitware, Inc.
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distribute this file outside of CMake, substitute the full
#  License text for the above reference.)

# This file is included in CMakeSystemSpecificInformation.cmake if
# the Eclipse CDT4 extra generator has been selected.

find_program(CMAKE_ECLIPSE_EXECUTABLE NAMES eclipse DOC "The Eclipse
executable")

function(_FIND_ECLIPSE_VERSION)
  # This code is in a function so the variables used here have only local
scope
  if(CMAKE_ECLIPSE_EXECUTABLE)
    # use REALPATH to resolve symlinks
(http://public.kitware.com/Bug/view.php?id=13036)
    get_filename_component(_REALPATH_CMAKE_ECLIPSE_EXECUTABLE
"${CMAKE_ECLIPSE_EXECUTABLE}" REALPATH)
    get_filename_component(_ECLIPSE_DIR
"${_REALPATH_CMAKE_ECLIPSE_EXECUTABLE}" PATH)
    file(GLOB _ECLIPSE_FEATURE_DIR
"${_ECLIPSE_DIR}/features/org.eclipse.platform*")
    if(APPLE AND NOT _ECLIPSE_FEATURE_DIR)
      file(GLOB _ECLIPSE_FEATURE_DIR
"${_ECLIPSE_DIR}/../../../features/org.eclipse.platform*")
    endif()
    if("${_ECLIPSE_FEATURE_DIR}" MATCHES
".+org.eclipse.platform_([0-9]+\\.[0-9]+).+")
      set(_ECLIPSE_VERSION ${CMAKE_MATCH_1})
    endif()
  endif()

  # Set up a map with the names of the Eclipse releases:
  set(_ECLIPSE_VERSION_NAME_    "Unknown" )
  set(_ECLIPSE_VERSION_NAME_3.2 "Callisto" )
  set(_ECLIPSE_VERSION_NAME_3.3 "Europa" )
  set(_ECLIPSE_VERSION_NAME_3.4 "Ganymede" )
  set(_ECLIPSE_VERSION_NAME_3.5 "Galileo" )
  set(_ECLIPSE_VERSION_NAME_3.6 "Helios" )
  set(_ECLIPSE_VERSION_NAME_3.7 "Indigo" )
  set(_ECLIPSE_VERSION_NAME_4.2 "Juno" )

  if(_ECLIPSE_VERSION)
    message(STATUS "Found Eclipse version ${_ECLIPSE_VERSION}
(${_ECLIPSE_VERSION_NAME_${_ECLIPSE_VERSION}})")
  else()
    set(_ECLIPSE_VERSION "3.6" )
    message(STATUS "Could not determine Eclipse version, assuming at
least ${_ECLIPSE_VERSION} (${_ECLIPSE_VERSION_NAME_${_ECLIPSE_VERSION}}).
Adjust CMAKE_ECLIPSE_VERSION if this is wrong.")
  endif()

  set(CMAKE_ECLIPSE_VERSION "${_ECLIPSE_VERSION}
(${_ECLIPSE_VERSION_NAME_${_ECLIPSE_VERSION}})" CACHE STRING "The
version of Eclipse. If Eclipse has not been found, 3.6 (Helios) is
assumed.")
  set_property(CACHE CMAKE_ECLIPSE_VERSION PROPERTY STRINGS "3.2
(${_ECLIPSE_VERSION_NAME_3.2})"
                                                            "3.3
(${_ECLIPSE_VERSION_NAME_3.3})"
                                                            "3.4
(${_ECLIPSE_VERSION_NAME_3.4})"
                                                            "3.5
(${_ECLIPSE_VERSION_NAME_3.5})"
                                                            "3.6
(${_ECLIPSE_VERSION_NAME_3.6})"
                                                            "3.7
(${_ECLIPSE_VERSION_NAME_3.7})"
                                                            "4.2
(${_ECLIPSE_VERSION_NAME_4.2})"
              )
endfunction()

_FIND_ECLIPSE_VERSION()

# Try to find out how many CPUs we have and set the -j argument for make
accordingly
set(_CMAKE_ECLIPSE_INITIAL_MAKE_ARGS "")

include(ProcessorCount)
PROCESSORCOUNT(_CMAKE_ECLIPSE_PROCESSOR_COUNT)

# Only set -j if we are under UNIX and if the make-tool used actually has
"make" in the name
# (we may also get here in the future e.g. for ninja)
if("${_CMAKE_ECLIPSE_PROCESSOR_COUNT}" GREATER 1  AND  UNIX  AND 
"${CMAKE_MAKE_PROGRAM}" MATCHES make)
  set(_CMAKE_ECLIPSE_INITIAL_MAKE_ARGS
"-j${_CMAKE_ECLIPSE_PROCESSOR_COUNT}")
endif()

# This variable is used by the Eclipse generator and appended to the make
invocation commands.
set(CMAKE_ECLIPSE_MAKE_ARGUMENTS
"${_CMAKE_ECLIPSE_INITIAL_MAKE_ARGS}" CACHE STRING
"Additional command line arguments when Eclipse invokes make. Enter
e.g. -j<some_number> to get parallel builds")

set(CMAKE_ECLIPSE_GENERATE_LINKED_RESOURCES TRUE CACHE BOOL "If
disabled, CMake will not generate linked resource to the subprojects and to
the source files within targets")

# This variable is used by the Eclipse generator in out-of-source builds
only.
set(CMAKE_ECLIPSE_GENERATE_SOURCE_PROJECT FALSE CACHE BOOL "If
enabled, CMake will generate a source project for Eclipse in
CMAKE_SOURCE_DIR")
mark_as_advanced(CMAKE_ECLIPSE_GENERATE_SOURCE_PROJECT)

# Determine builtin macros and include dirs:
include(${CMAKE_CURRENT_LIST_DIR}/CMakeExtraGeneratorDetermineCompilerMacrosAndIncludeDirs.cmake)