# Copyright (C) 2012-2013  CEA/DEN, EDF R&D
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
#
# See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
#

#IF(WIN32)
#  INCLUDE(${PROJECT_SOURCE_DIR}/adm_local/cmake_files/FindXDR.cmake)
#ENDIF(WIN32)

CMAKE_MINIMUM_REQUIRED(VERSION 2.8.8 FATAL_ERROR)
PROJECT(SalomeMED C CXX)

# Ensure a proper linker behavior:
CMAKE_POLICY(SET CMP0003 NEW)

# Versioning
# ===========
# Project name, upper case
STRING(TOUPPER ${PROJECT_NAME} PROJECT_NAME_UC)

SET(${PROJECT_NAME_UC}_MAJOR_VERSION 7)
SET(${PROJECT_NAME_UC}_MINOR_VERSION 2)
SET(${PROJECT_NAME_UC}_PATCH_VERSION 0)
SET(${PROJECT_NAME_UC}_VERSION
  ${${PROJECT_NAME_UC}_MAJOR_VERSION}.${${PROJECT_NAME_UC}_MINOR_VERSION}.${${PROJECT_NAME_UC}_PATCH_VERSION})
# Temporary backward compatibility:
SET(VERSION ${${PROJECT_NAME_UC}_VERSION})
SET(XVERSION 0x0${${PROJECT_NAME_UC}_MAJOR_VERSION}0${${PROJECT_NAME_UC}_MINOR_VERSION}0${${PROJECT_NAME_UC}_PATCH_VERSION})
SET(VERSION_DEV "0")

#
# Kernel detection comes before user options to be
# able to take previous values of SALOME_USE_MPI, SALOME_BUILD_DOC, etc ...
#
SET(_default_MPI OFF)
IF(NOT SALOME_MED_STANDALONE)
  SET(KERNEL_ROOT_DIR $ENV{KERNEL_ROOT_DIR} CACHE PATH "Path to the Salome KERNEL")
  IF(EXISTS ${KERNEL_ROOT_DIR})
    LIST(APPEND CMAKE_MODULE_PATH "${KERNEL_ROOT_DIR}/salome_adm/cmake_files")
    INCLUDE(SalomeMacros)
    FIND_PACKAGE(SalomeKERNEL REQUIRED)
    ADD_DEFINITIONS(${KERNEL_DEFINITIONS})
    INCLUDE_DIRECTORIES(${KERNEL_INCLUDE_DIRS})
    SET(_default_MPI ${SALOME_USE_MPI}) 
  ELSE(EXISTS ${KERNEL_ROOT_DIR})
    MESSAGE(FATAL_ERROR "We absolutely need a Salome KERNEL, please define KERNEL_ROOT_DIR or turn option SALOME_MED_STANDALONE to ON !")
  ENDIF(EXISTS ${KERNEL_ROOT_DIR})
  LIST(APPEND CMAKE_MODULE_PATH "${KERNEL_ROOT_DIR}/salome_adm/cmake_files")
  FIND_PACKAGE(SalomePThread REQUIRED) # for MEDCouplingCorba/Test for EDF
  FIND_PACKAGE(SalomeOmniORB REQUIRED)
ELSE(NOT SALOME_MED_STANDALONE)
  LIST(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/adm_local_without_kernel/cmake_files")
  INCLUDE(SalomeMacros)
ENDIF(NOT SALOME_MED_STANDALONE)

#
# User options
# ============
INCLUDE(CMakeDependentOption)
OPTION(SALOME_MED_STANDALONE "Build MED without CORBA bindings. When OFF, exchange to PARAVIS is disabled." OFF)
OPTION(SALOME_MED_MICROMED "Build MED without MED file dependancy." OFF)
OPTION(SALOME_MED_ENABLE_PYTHON "Build PYTHON bindings." ON)
OPTION(SALOME_MED_ENABLE_PARTITIONER "Build MEDPartitioner." ON)
OPTION(SALOME_MED_ENABLE_RENUMBER "Build Renumber." ON)
OPTION(SALOME_USE_MPI "(Use MPI containers) - For MED this triggers the build of ParaMEDMEM." ${_default_MPI})
OPTION(SALOME_BUILD_GUI "Build GUI of MED." ON)
OPTION(SALOME_BUILD_TESTS "Build MED tests." ON)
OPTION(SALOME_BUILD_DOC "Build MED doc." ON)
CMAKE_DEPENDENT_OPTION(SALOME_MED_PARTITIONER_METIS "Enable metis graph library in MEDPartitioner." ON "SALOME_MED_ENABLE_PARTITIONER;NOT SALOME_USE_MPI" OFF)
CMAKE_DEPENDENT_OPTION(SALOME_MED_PARTITIONER_SCOTCH "Enable scotch graph library in MEDPartitioner." ON "SALOME_MED_ENABLE_PARTITIONER;NOT SALOME_USE_MPI" OFF)
CMAKE_DEPENDENT_OPTION(SALOME_MED_PARTITIONER_PARMETIS "Enable parmetis graph library in MEDPartitioner." ON "SALOME_MED_ENABLE_PARTITIONER;SALOME_USE_MPI" OFF)

#
# Set list of prerequisites
# =========================

IF(NOT SALOME_MED_STANDALONE)
  SET(KERNEL_ROOT_DIR $ENV{KERNEL_ROOT_DIR} CACHE PATH "Path to the Salome KERNEL")
  IF(EXISTS ${KERNEL_ROOT_DIR})
    LIST(APPEND CMAKE_MODULE_PATH "${KERNEL_ROOT_DIR}/salome_adm/cmake_files")
    INCLUDE(SalomeMacros)
    FIND_PACKAGE(SalomeKERNEL REQUIRED)
  ELSE(EXISTS ${KERNEL_ROOT_DIR})
    MESSAGE(FATAL_ERROR "We absolutely need a Salome KERNEL, please define KERNEL_ROOT_DIR or turn option SALOME_MED_STANDALONE to ON !")
  ENDIF(EXISTS ${KERNEL_ROOT_DIR})
  LIST(APPEND CMAKE_MODULE_PATH "${KERNEL_ROOT_DIR}/salome_adm/cmake_files")
  FIND_PACKAGE(SalomeOmniORB REQUIRED)
ELSE(NOT SALOME_MED_STANDALONE)
  LIST(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/adm_local_without_kernel/cmake_files")
  INCLUDE(SalomeMacros)
ENDIF(NOT SALOME_MED_STANDALONE)

LIST(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/adm_local/cmake_files")

# Platform setup
# ==============
INCLUDE(SalomeSetupPlatform)

IF(NOT SALOME_MED_MICROMED)
  FIND_PACKAGE(SalomeHDF5 REQUIRED)
  FIND_PACKAGE(SalomeMEDFile REQUIRED)
  IF(SALOME_MED_ENABLE_PARTITIONER)
    FIND_PACKAGE(SalomeLibXml2)
    SALOME_LOG_OPTIONAL_PACKAGE(LibXml2 SALOME_MED_ENABLE_PARTITIONER)
    IF(SALOME_MED_PARTITIONER_METIS)
      FIND_PACKAGE(SalomeMetis)
      SALOME_LOG_OPTIONAL_PACKAGE(Metis SALOME_MED_PARTITIONER_METIS)
    ENDIF(SALOME_MED_PARTITIONER_METIS)
    IF(SALOME_MED_PARTITIONER_SCOTCH)
      FIND_PACKAGE(SalomeScotch)
      SALOME_LOG_OPTIONAL_PACKAGE(Scotch SALOME_MED_PARTITIONER_SCOTCH)
    ENDIF(SALOME_MED_PARTITIONER_SCOTCH)
  ENDIF(SALOME_MED_ENABLE_PARTITIONER)
ENDIF(NOT SALOME_MED_MICROMED)

IF(SALOME_BUILD_GUI)
  IF(NOT SALOME_MED_STANDALONE)
    SET(GUI_ROOT_DIR $ENV{GUI_ROOT_DIR} CACHE PATH "Path to the Salome GUI")
    IF(EXISTS ${GUI_ROOT_DIR})
      LIST(APPEND CMAKE_MODULE_PATH "${GUI_ROOT_DIR}/adm_local/cmake_files")
      FIND_PACKAGE(SalomeGUI REQUIRED)
    ELSE(EXISTS ${GUI_ROOT_DIR})
      MESSAGE(FATAL_ERROR "We absolutely need a Salome GUI, please define GUI_ROOT_DIR or turn option SALOME_BUILD_GUI to OFF !")
    ENDIF(EXISTS ${GUI_ROOT_DIR})
    FIND_PACKAGE(SalomeQt4 REQUIRED COMPONENTS QtCore QtGui)
    FIND_PACKAGE(SalomeCAS REQUIRED) # maybe one day it will disappear ...
  ENDIF(NOT SALOME_MED_STANDALONE)
ENDIF(SALOME_BUILD_GUI)

LIST(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/adm_local/cmake_files")

ENABLE_TESTING() # let it outsite because even if SALOME_BUILD_TESTS is OFF, python tests that not need additional compilation can be run.

IF(SALOME_BUILD_TESTS)
  FIND_PACKAGE(SalomeCppUnit)
  SALOME_LOG_OPTIONAL_PACKAGE(CppUnit SALOME_BUILD_TESTS)
ENDIF(SALOME_BUILD_TESTS)

IF(SALOME_USE_MPI)
  FIND_PACKAGE(SalomeMPI REQUIRED)
  IF(SALOME_MED_PARTITIONER_PARMETIS)
    FIND_PACKAGE(SalomeParMetis)
    SALOME_LOG_OPTIONAL_PACKAGE(ParMetis SALOME_MED_PARTITIONER_PARMETIS)
  ENDIF(SALOME_MED_PARTITIONER_PARMETIS)
ENDIF(SALOME_USE_MPI)

IF(SALOME_MED_ENABLE_RENUMBER)
  FIND_PACKAGE(SalomeBoost)
  SALOME_LOG_OPTIONAL_PACKAGE(Boost SALOME_MED_ENABLE_RENUMBER)
ENDIF(SALOME_MED_ENABLE_RENUMBER)

IF(SALOME_BUILD_DOC)
  FIND_PACKAGE(SalomeDoxygen)
  FIND_PACKAGE(SalomeGraphviz)
  FIND_PACKAGE(SalomeSphinx)
  SALOME_LOG_OPTIONAL_PACKAGE(Doxygen SALOME_BUILD_DOC)
  SALOME_LOG_OPTIONAL_PACKAGE(Graphviz SALOME_BUILD_DOC)
  SALOME_LOG_OPTIONAL_PACKAGE(Sphinx SALOME_BUILD_DOC)
ENDIF(SALOME_BUILD_DOC)

IF(SALOME_MED_ENABLE_PYTHON)
  FIND_PACKAGE(SalomePython)
  FIND_PACKAGE(SalomeSWIG)
  SALOME_LOG_OPTIONAL_PACKAGE(Python SALOME_MED_ENABLE_PYTHON)
  SALOME_LOG_OPTIONAL_PACKAGE(SWIG   SALOME_MED_ENABLE_PYTHON)
  IF(NOT SALOME_MED_STANDALONE)
    FIND_PACKAGE(SalomeOmniORBPy REQUIRED)
  ENDIF(NOT SALOME_MED_STANDALONE)
ENDIF(SALOME_MED_ENABLE_PYTHON)

# Detection report
SALOME_PACKAGE_REPORT_AND_CHECK()

# Directories
#
# Directories have to be given after prerequisites (to be able to use
# Python version string for example).
# ===========
SET(SALOME_INSTALL_BINS bin/salome CACHE PATH "Install path: SALOME binaries")
SET(SALOME_INSTALL_LIBS lib/salome CACHE PATH "Install path: SALOME libs")
SET(SALOME_INSTALL_IDLS idl/salome CACHE PATH "Install path: SALOME IDL files")
SET(SALOME_INSTALL_HEADERS include/salome CACHE PATH "Install path: SALOME headers")
SET(SALOME_INSTALL_SCRIPT_SCRIPTS ${SALOME_INSTALL_BINS} CACHE PATH 
   "Install path: SALOME scripts")
SET(SALOME_INSTALL_SCRIPT_DATA ${SALOME_INSTALL_BINS} CACHE PATH 
   "Install path: SALOME script data")
SET(SALOME_INSTALL_SCRIPT_PYTHON ${SALOME_INSTALL_BINS} CACHE PATH 
   "Install path: SALOME Python scripts")
SET(SALOME_INSTALL_APPLISKEL_SCRIPTS ${SALOME_INSTALL_BINS}/appliskel CACHE PATH 
   "Install path: SALOME application skeleton - scripts")
SET(SALOME_INSTALL_APPLISKEL_PYTHON ${SALOME_INSTALL_BINS}/appliskel CACHE PATH 
   "Install path: SALOME application skeleton - Python")
SET(SALOME_INSTALL_CMAKE salome_adm/cmake_files CACHE PATH "Install path: SALOME CMake files")
SET(SALOME_INSTALL_CMAKE_LOCAL adm_local/cmake_files CACHE PATH 
   "Install path: local SALOME CMake files")

IF(SALOME_MED_ENABLE_PYTHON)
  SET(_pydir lib/python${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}/site-packages)
  SET(SALOME_INSTALL_PYTHON ${_pydir}/salome CACHE PATH "Install path: SALOME Python stuff")
  SET(SALOME_INSTALL_PYTHON_SHARED ${SALOME_INSTALL_PYTHON}/shared_modules CACHE PATH 
    "Install path: SALOME Python shared modules")
ENDIF(SALOME_MED_ENABLE_PYTHON)

SET(SALOME_INSTALL_RES share/salome/resources CACHE PATH "Install path: SALOME resources")

# Med specific:

SET(SALOME_MED_INSTALL_RES_DATA "${SALOME_INSTALL_RES}/med" CACHE PATH "Install path: SALOME MED specific data")
SET(SALOME_MED_INSTALL_RES_SCRIPTS "${SALOME_INSTALL_RES}/med" CACHE PATH "Install path: SALOME MED specific scripts")

MARK_AS_ADVANCED(SALOME_INSTALL_BINS SALOME_INSTALL_LIBS SALOME_INSTALL_IDLS SALOME_INSTALL_HEADERS)
MARK_AS_ADVANCED(SALOME_INSTALL_SCRIPT_SCRIPTS SALOME_INSTALL_SCRIPT_DATA SALOME_INSTALL_SCRIPT_PYTHON)
MARK_AS_ADVANCED(SALOME_INSTALL_APPLISKEL_SCRIPTS  SALOME_INSTALL_APPLISKEL_PYTHON SALOME_INSTALL_CMAKE SALOME_INSTALL_CMAKE_LOCAL SALOME_INSTALL_RES)
MARK_AS_ADVANCED(SALOME_INSTALL_PYTHON SALOME_INSTALL_PYTHON_SHARED SALOME_MED_INSTALL_RES_DATA SALOME_MED_INSTALL_RES_SCRIPTS)

# Configuration of MED_version.h.in

SET(input ${PROJECT_SOURCE_DIR}/MED_version.h.in)
SET(output ${PROJECT_BINARY_DIR}/MED_version.h)
MESSAGE(STATUS "Creation of ${output}")
CONFIGURE_FILE(${input} ${output} @ONLY)
INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/MED_version.h DESTINATION ${SALOME_INSTALL_HEADERS})

# Sources 
# ========
IF(WIN32)
  ADD_DEFINITIONS("-D_USE_MATH_DEFINES")
ENDIF(WIN32)

ADD_SUBDIRECTORY(src)
ADD_SUBDIRECTORY(bin)
ADD_SUBDIRECTORY(adm_local)

IF(SALOME_BUILD_DOC)
  ADD_SUBDIRECTORY(doc)
ENDIF(SALOME_BUILD_DOC)

IF(NOT SALOME_MED_STANDALONE)
  ADD_SUBDIRECTORY(idl)
ELSE(NOT SALOME_MED_STANDALONE)
  ADD_SUBDIRECTORY(adm_local_without_kernel)
ENDIF(NOT SALOME_MED_STANDALONE)

IF(NOT SALOME_MED_MICROMED)
  ADD_SUBDIRECTORY(resources)
ENDIF(NOT SALOME_MED_MICROMED)

# Configuration export
# ====================
INCLUDE(CMakePackageConfigHelpers)

# List of targets in this project we want to make visible to the rest of the world.
# They all have to be INSTALL'd with the option "EXPORT ${PROJECT_NAME}TargetGroup"
SET(_${PROJECT_NAME}_exposed_targets
   interpkernel medcoupling medcouplingremapper)

IF(NOT SALOME_MED_MICROMED)
  LIST(APPEND _${PROJECT_NAME}_exposed_targets 
    medloader)
  IF(SALOME_USE_MPI)
     LIST(APPEND _${PROJECT_NAME}_exposed_targets 
       paramedloader)
  ENDIF(SALOME_USE_MPI)
ENDIF(NOT SALOME_MED_MICROMED)

IF(SALOME_USE_MPI)
  LIST(APPEND _${PROJECT_NAME}_exposed_targets 
    paramedmem)
ENDIF(SALOME_USE_MPI)

IF(NOT SALOME_MED_STANDALONE)
  LIST(APPEND _${PROJECT_NAME}_exposed_targets 
    SalomeIDLMED medcouplingcorba )
ENDIF(NOT SALOME_MED_STANDALONE)

# Add all targets to the build-tree export set

EXPORT(TARGETS ${_${PROJECT_NAME}_exposed_targets}
  FILE ${PROJECT_BINARY_DIR}/${PROJECT_NAME}Targets.cmake)

# Create the configuration files:
#   - in the build tree:

#      Ensure the variables are always defined for the configure (even if empty):
SET(KERNEL_ROOT_DIR "${KERNEL_ROOT_DIR}")
SET(GUI_ROOT_DIR "${GUI_ROOT_DIR}")
SET(MEDFILE_ROOT_DIR "${MEDFILE_ROOT_DIR}")
SET(HDF5_ROOT_DIR "${HDF5_ROOT_DIR}")
SET(MPI_ROOT_DIR "${MPI_ROOT_DIR}")
SET(OMNIORB_ROOT_DIR "${OMNIORB_ROOT_DIR}")
SET(PTHREAD_ROOT_DIR "${PTHREAD_ROOT_DIR}")
SET(SWIG_ROOT_DIR "${SWIG_ROOT_DIR}")
SET(PYTHON_ROOT_DIR "${PYTHON_ROOT_DIR}")
SET(CPPUNIT_ROOT_DIR "${CPPUNIT_ROOT_DIR}")
SET(GRAPHVIZ_ROOT_DIR "${GRAPHVIZ_ROOT_DIR}")
SET(DOXYGEN_ROOT_DIR "${DOXYGEN_ROOT_DIR}")
SET(SPHINX_ROOT_DIR "${SPHINX_ROOT_DIR}")

#   - in the install tree:
#       Get the relative path of the include directory so 
#       we can register it in the generated configuration files:
SET(CONF_INCLUDE_DIRS "${CMAKE_INSTALL_PREFIX}/${INSTALL_INCLUDE_DIR}")
CONFIGURE_PACKAGE_CONFIG_FILE(adm_local/cmake_files/${PROJECT_NAME}Config.cmake.in 
    ${PROJECT_BINARY_DIR}/to_install/${PROJECT_NAME}Config.cmake
    INSTALL_DESTINATION "${SALOME_INSTALL_CMAKE}_LOCAL"
    PATH_VARS CONF_INCLUDE_DIRS SALOME_INSTALL_CMAKE_LOCAL CMAKE_INSTALL_PREFIX 
       KERNEL_ROOT_DIR GUI_ROOT_DIR MEDFILE_ROOT_DIR 
       HDF5_ROOT_DIR OMNIORB_ROOT_DIR PTHREAD_ROOT_DIR
       SWIG_ROOT_DIR PYTHON_ROOT_DIR CPPUNIT_ROOT_DIR GRAPHVIZ_ROOT_DIR DOXYGEN_ROOT_DIR
       SPHINX_ROOT_DIR)

WRITE_BASIC_PACKAGE_VERSION_FILE(${PROJECT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
    VERSION ${${PROJECT_NAME_UC}_VERSION}
    COMPATIBILITY AnyNewerVersion)
  
# Install the CMake configuration files:
INSTALL(FILES
  "${PROJECT_BINARY_DIR}/to_install/${PROJECT_NAME}Config.cmake"
  "${PROJECT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake"
  DESTINATION "${SALOME_INSTALL_CMAKE_LOCAL}")

# Install the export set for use with the install-tree
INSTALL(EXPORT ${PROJECT_NAME}TargetGroup DESTINATION "${SALOME_INSTALL_CMAKE_LOCAL}" 
        FILE ${PROJECT_NAME}Targets.cmake)