CMAKE_MINIMUM_REQUIRED(VERSION 2.6)

# for CMake 2.6 corrected behaviour (see "cmake --help-policy CMP0003")
IF(
    COMMAND cmake_policy AND
    ${CMAKE_MAJOR_VERSION} EQUAL 2 AND
    ${CMAKE_MINOR_VERSION} GREATER 4
    )
  CMAKE_POLICY(SET CMP0003 NEW)
  CMAKE_POLICY(SET CMP0005 NEW)
  CMAKE_POLICY(SET CMP0011 NEW)
  CMAKE_POLICY(SET CMP0012 NEW)
ENDIF(
  COMMAND cmake_policy AND
  ${CMAKE_MAJOR_VERSION} EQUAL 2 AND
  ${CMAKE_MINOR_VERSION} GREATER 4
  )

## ================
## = Project name =
## ================

PROJECT(cpPlugins)
SET(prj_MAJOR_VERSION   "0")
SET(prj_MINOR_VERSION   "0")
SET(prj_RELEASE_VERSION "1")
SET(
  prj_VERSION
  "${prj_MAJOR_VERSION}.${prj_MINOR_VERSION}.${prj_RELEASE_VERSION}"
  )

## ===========
## = Options =
## ===========

OPTION(USE_QT4 "Build Qt4-based code" OFF)
OPTION(BUILD_EXAMPLES "Build examples" OFF)

## ========================
## = Packages and options =
## ========================

INCLUDE(GenerateExportHeader)

FIND_PACKAGE(VTK REQUIRED)
FIND_PACKAGE(ITK REQUIRED)
INCLUDE(${ITK_USE_FILE})

## Check for required modules
IF(NOT ITKVtkGlue_LOADED)
  MESSAGE(FATAL_ERROR "ITKVtkGlue module is required but not available.")
ENDIF(NOT ITKVtkGlue_LOADED)

IF(USE_QT4)
  FIND_PACKAGE(Qt4 REQUIRED)
  INCLUDE(${QT_USE_FILE})

  ## Check for required modules
  IF(NOT vtkGUISupportQt_LOADED)
    MESSAGE(
      FATAL_ERROR
      "vtkGUISupportQt module is required but not available."
      )
  ENDIF(NOT vtkGUISupportQt_LOADED)
  IF(NOT vtkGUISupportQtOpenGL_LOADED)
    MESSAGE(
      FATAL_ERROR
      "vtkGUISupportQtOpenGL module is required but not available."
      )
  ENDIF(NOT vtkGUISupportQtOpenGL_LOADED)
ENDIF(USE_QT4)

## ================================================
## = Do not allow to build inside the source tree =
## ================================================

IF(PROJECT_BINARY_DIR STREQUAL ${PROJECT_SOURCE_DIR})
  MESSAGE(FATAL_ERROR "Building in the source tree is not allowed")
ENDIF(PROJECT_BINARY_DIR STREQUAL ${PROJECT_SOURCE_DIR})

## =====================================
## = Where to put executables and libs =
## =====================================

SET(EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR})
SET(LIBRARY_OUTPUT_PATH ${PROJECT_BINARY_DIR})
MARK_AS_ADVANCED(
  CMAKE_BACKWARDS_COMPATIBILITY
  EXECUTABLE_OUTPUT_PATH
  LIBRARY_OUTPUT_PATH
  )

## ==============================
## = Subdirs containing headers =
## ==============================

INCLUDE_DIRECTORIES(
  ${PROJECT_SOURCE_DIR}/lib
  ${PROJECT_SOURCE_DIR}/lib/third_party
  ${PROJECT_BINARY_DIR}/lib
  ${PROJECT_BINARY_DIR}/lib/third_party
  )
IF(WIN32)
  INCLUDE_DIRECTORIES(
    ${PROJECT_SOURCE_DIR}/lib/third_party/glext
    )
ENDIF(WIN32)

## ===========================
## = Subdirs containing code =
## ===========================

SUBDIRS(
  cmake
  lib
  appli
  )

## eof - $RCSfile$