# Copyright (C) 2012-2013  CEA/DEN, EDF R&D, OPEN CASCADE
#
# 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
#
CMAKE_MINIMUM_REQUIRED(VERSION 2.8.8 FATAL_ERROR)
PROJECT(SalomeYACS 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})
SET(${PROJECT_NAME_UC}_VERSION_DEV 1)

# Find KERNEL (optional)
# ==============
OPTION(SALOME_YACS_USE_KERNEL "Use SALOME KERNEL" ON)
IF( SALOME_YACS_USE_KERNEL )
  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(${KERNEL_DEFINITIONS} -DSALOME_KERNEL)
    INCLUDE_DIRECTORIES(${KERNEL_INCLUDE_DIRS})
  ELSE( EXISTS ${KERNEL_ROOT_DIR} )
    MESSAGE(FATAL_ERROR "We absolutely need a Salome KERNEL, please define KERNEL_ROOT_DIR or turn option SALOME_YACS_USE_KERNEL to OFF !")
  ENDIF( EXISTS ${KERNEL_ROOT_DIR} )
  SALOME_LOG_OPTIONAL_PACKAGE(SalomeKERNEL SALOME_YACS_USE_KERNEL)
ELSE( SALOME_YACS_USE_KERNEL )
  MESSAGE(STATUS "Option SALOME_YACS_USE_KERNEL is set to OFF, so YACS will be built without CORBA!!!")
ENDIF( SALOME_YACS_USE_KERNEL )

# Find SALOME GUI (optional)
# ==============
OPTION(SALOME_BUILD_GUI "Build GUI of YACS" ON)
IF(SALOME_BUILD_GUI)
  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})
  SALOME_LOG_OPTIONAL_PACKAGE(SalomeGUI SALOME_BUILD_GUI)
ENDIF(SALOME_BUILD_GUI)

# Platform setup
# ==============
INCLUDE(SalomeSetupPlatform)   # From SalomeMacros
# Always build libraries as shared objects:
SET(BUILD_SHARED_LIBS TRUE)
# Local macros:
LIST(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/adm/cmake")

# User options
# ============
# (some options may have already been defined in KERNEL) 
ADD_DEFINITIONS(-DCMAKE_BUILD)
IF( SALOME_YACS_USE_KERNEL )
  OPTION(SALOME_BUILD_DOC "Generate SALOME YACS documentation" ${SALOME_BUILD_DOC})
  OPTION(SALOME_BUILD_TESTS "Build SALOME YACS tests" ${SALOME_BUILD_TESTS})
ELSE( SALOME_YACS_USE_KERNEL )
  OPTION(SALOME_BUILD_DOC "Generate SALOME YACS documentation" ON)
  OPTION(SALOME_BUILD_TESTS "Build SALOME YACS tests" ON)
ENDIF( SALOME_YACS_USE_KERNEL )

OPTION(SALOME_YACS_USE_SWIG       "Enable Python wrapper"    ON)
OPTION(SALOME_YACS_USE_DSC        "Use DSC KERNEL extension" ON)
OPTION(SALOME_YACS_USE_QSCINTILLA "Use QScintilla"           ON)

# Advanced options:
IF(SALOME_YACS_USE_KERNEL AND SALOME_YACS_USE_DSC)
  IF(EXISTS ${KERNEL_ROOT_DIR}/idl/salome/DSC_Engines.idl)
    ADD_DEFINITIONS(-DDSC_PORTS)
  ELSE()
    MESSAGE(FATAL_ERROR "We absolutely need a KERNEL DSC extension. Please rebuild KERNEL with DSC support or turn option SALOME_YACS_USE_DSC to OFF !")
  ENDIF()
ENDIF()

# Prerequisites
# =============
# Find "big" prerequisites first - they reference themselves many others
#   -> this can helps to find the smaller prerequisites and detect conflicts.
# In our case KERNEL may have already loaded many prerequisites which are also used in YACS:

##
## From KERNEL:
##

# Mandatory products
FIND_PACKAGE(SalomePython    REQUIRED)
FIND_PACKAGE(SalomePThread   REQUIRED)
FIND_PACKAGE(SalomeBoost     REQUIRED)
FIND_PACKAGE(SalomeOmniORB   REQUIRED)
FIND_PACKAGE(SalomeOmniORBPy REQUIRED)
ADD_DEFINITIONS(-DOMNIORB)
FIND_PACKAGE(SalomeLibXml2   REQUIRED)
FIND_PACKAGE(SalomeGraphviz  REQUIRED)

# Optional products:
IF(SALOME_YACS_USE_SWIG)
  FIND_PACKAGE(SalomeSWIG REQUIRED)
  SALOME_LOG_OPTIONAL_PACKAGE(SWIG SALOME_YACS_USE_SWIG)
#  ADD_DEFINITIONS(-DSWIG)
ENDIF()

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

IF(SALOME_BUILD_DOC)
  IF(SALOME_USE_MPI)
    FIND_PACKAGE(SalomeMPI REQUIRED) # needed for doc generation by Sphinx
    SALOME_LOG_OPTIONAL_PACKAGE(MPI SALOME_BUILD_DOC)
  ENDIF()  
  FIND_PACKAGE(SalomeDoxygen REQUIRED)
  FIND_PACKAGE(SalomeSphinx REQUIRED)
  SALOME_LOG_OPTIONAL_PACKAGE(Doxygen SALOME_BUILD_DOC)
  SALOME_LOG_OPTIONAL_PACKAGE(Sphinx SALOME_BUILD_DOC)
  ADD_DEFINITIONS(-DDOXYGEN_IS_OK)
ENDIF()

# Find optional GUI libraries
IF(SALOME_BUILD_GUI)
  # Qt4
  FIND_PACKAGE(SalomeQt4 REQUIRED COMPONENTS QtCore QtGui)
  SALOME_LOG_OPTIONAL_PACKAGE(Qt4 SALOME_BUILD_GUI)
  # QScintilla
  IF(SALOME_YACS_USE_QSCINTILLA)
    FIND_PACKAGE(SalomeQScintilla REQUIRED)
    SALOME_LOG_OPTIONAL_PACKAGE(QScintilla SALOME_YACS_USE_QSCINTILLA)
    ADD_DEFINITIONS(-DHAS_QSCI4)
  ENDIF(SALOME_YACS_USE_QSCINTILLA)
ENDIF(SALOME_BUILD_GUI)

##
## YACS specifics
##

FIND_PACKAGE(SalomeExpat REQUIRED)

# Detection summary:
SALOME_PACKAGE_REPORT_AND_CHECK()

# Directories
# ===========
IF( SALOME_YACS_USE_KERNEL )
  SET(SALOME_INSTALL_BINS "${SALOME_INSTALL_BINS}" CACHE PATH "Install path: SALOME binaries")
  SET(SALOME_INSTALL_LIBS "${SALOME_INSTALL_LIBS}" CACHE PATH "Install path: SALOME libs")
  SET(SALOME_INSTALL_IDLS "${SALOME_INSTALL_IDLS}" CACHE PATH "Install path: SALOME IDL files")
  SET(SALOME_INSTALL_HEADERS "${SALOME_INSTALL_HEADERS}" CACHE PATH "Install path: SALOME headers")
  SET(SALOME_INSTALL_SCRIPT_SCRIPTS "${SALOME_INSTALL_SCRIPT_SCRIPTS}" CACHE PATH 
    "Install path: SALOME scripts")
  SET(SALOME_INSTALL_SCRIPT_DATA "${SALOME_INSTALL_SCRIPT_DATA}" CACHE PATH 
    "Install path: SALOME script data")
  SET(SALOME_INSTALL_SCRIPT_PYTHON "${SALOME_INSTALL_SCRIPT_PYTHON}" CACHE PATH 
    "Install path: SALOME Python scripts")
  SET(SALOME_INSTALL_PYTHON "${SALOME_INSTALL_PYTHON}" CACHE PATH "Install path: SALOME Python stuff")
  SET(SALOME_INSTALL_PYTHON_SHARED "${SALOME_INSTALL_PYTHON_SHARED}" CACHE PATH 
    "Install path: SALOME Python shared modules")
  SET(SALOME_INSTALL_CMAKE_LOCAL adm/cmake CACHE PATH 
    "Install path: local SALOME CMake files") 
  SET(SALOME_INSTALL_AMCONFIG_LOCAL adm/unix CACHE PATH
    "Install path: local SALOME config files (obsolete, to be removed)")

  SET(SALOME_INSTALL_RES "${SALOME_INSTALL_RES}" CACHE PATH "Install path: SALOME resources")
  SET(SALOME_INSTALL_DOC "${SALOME_INSTALL_DOC}" CACHE PATH "Install path: SALOME documentation")

ELSE(SALOME_YACS_USE_KERNEL)
  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_CMAKE_LOCAL adm/cmake CACHE PATH 
    "Install path: local SALOME CMake files")
  SET(SALOME_INSTALL_AMCONFIG_LOCAL adm/unix CACHE PATH 
    "Install path: local SALOME config files (obsolete, to be removed)")

  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")

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

  SET(SALOME_INSTALL_DOC share/doc/salome CACHE PATH "Install path: SALOME documentation")
ENDIF(SALOME_YACS_USE_KERNEL)

# Specific to YACS:
SET(SALOME_YACS_INSTALL_RES_DATA "${SALOME_INSTALL_RES}/yacs" CACHE PATH 
  "Install path: SALOME YACS specific data")
SET(SALOME_YACS_INSTALL_RES_SCRIPTS "${SALOME_INSTALL_RES}/yacs" CACHE PATH 
  "Install path: SALOME YACS scripts")
SET(SALOME_YACS_INSTALL_SAMPLES share/salome/yacssamples CACHE PATH
  "Install path: SALOME YACS samples")
SET(SALOME_YACS_INSTALL_SUPERV_SAMPLES share/salome/yacssupervsamples CACHE PATH
  "Install path: SALOME YACS SUPERV samples")
SET(SALOME_INSTALL_HXX2SALOME bin/HXX2SALOME_Test CACHE PATH 
  "Install path: SALOME HXX2SALOME Test files")
MARK_AS_ADVANCED(
  SALOME_YACS_INSTALL_RES_DATA
  SALOME_YACS_INSTALL_RES_SCRIPTS
  SALOME_YACS_INSTALL_SAMPLES
  SALOME_YACS_INSTALL_SUPERV_SAMPLES
  SALOME_INSTALL_HXX2SALOME
  )

# Sources 
# ========
IF(SALOME_YACS_USE_KERNEL AND NOT SALOME_LIGHT_ONLY)
  ADD_SUBDIRECTORY(idl)
ENDIF()

ADD_SUBDIRECTORY(adm)
ADD_SUBDIRECTORY(src)
IF(SALOME_BUILD_DOC)
  ADD_SUBDIRECTORY(doc)
ENDIF()
ADD_SUBDIRECTORY(Demo)

# Header configuration
# ====================
SALOME_XVERSION(${PROJECT_NAME})
SALOME_CONFIGURE_FILE(YACS_version.h.in YACS_version.h INSTALL ${SALOME_INSTALL_HEADERS})

# Configuration export
# (here only the level 1 prerequisites are exposed)
# ====================
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 
  YACSloader YACSBases YACSlibEngine YACSRuntimeSALOME SalomeIDLYACS
  #TODO: TestComponentLocal PluginSimplex PluginOptEvTest1
)
IF(SALOME_BUILD_TESTS)
  LIST(APPEND _${PROJECT_NAME}_exposed_targets YACSDLTest)
ENDIF(SALOME_BUILD_TESTS)
IF(SALOME_BUILD_GUI)
  LIST(APPEND _${PROJECT_NAME}_exposed_targets 
    HMI GenericGui YACS SalomeWrap
    )
ENDIF(SALOME_BUILD_GUI)

# 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:
SET(GUI_ROOT_DIR "${GUI_ROOT_DIR}")
SET(EXPAT_ROOT_DIR "${EXPAT_ROOT_DIR}")
SET(QSCINTILLA_ROOT_DIR "${QSCINTILLA_ROOT_DIR}")
 
SET(CONF_INCLUDE_DIRS "${PROJECT_SOURCE_DIR}/include" "${PROJECT_BINARY_DIR}/include")
CONFIGURE_PACKAGE_CONFIG_FILE(${PROJECT_NAME}Config.cmake.in 
    ${PROJECT_BINARY_DIR}/${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 QT4_ROOT_DIR)

#   - in the install tree (VSR 16/08/2013: TEMPORARILY COMMENT THIS - TO REMOVE?):
#       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 SIP_ROOT_DIR QT4_ROOT_DIR PYQT4_ROOT_DIR CAS_ROOT_DIR 
#       OPENGL_ROOT_DIR VTK_ROOT_DIR QWT_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
  "${PROJECT_BINARY_DIR}/${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)