# Copyright (C) 2012-2023  CEA, EDF, 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, or (at your option) any later version.
#
# 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)
INCLUDE(CMakeDependentOption)

# Project name
# ============
# original
PROJECT(SalomeSMESH C CXX)
# upper case
STRING(TOUPPER ${PROJECT_NAME} PROJECT_NAME_UC)

if (DEFINED EMSCRIPTEN)
  list(APPEND CMAKE_FIND_ROOT_PATH "/")
  message("Using Emscripten")
  add_compile_options("-sUSE_BOOST_HEADERS=1" "-pthread")
  add_link_options("-pthread")
else()
  message("Not using Emscripten")
endif()

# Common CMake macros
# ===================
SET(CONFIGURATION_ROOT_DIR $ENV{CONFIGURATION_ROOT_DIR} CACHE PATH "Path to the Salome CMake configuration files")
IF(EXISTS ${CONFIGURATION_ROOT_DIR})
  LIST(APPEND CMAKE_MODULE_PATH "${CONFIGURATION_ROOT_DIR}/cmake")
  INCLUDE(SalomeMacros NO_POLICY_SCOPE)
ELSE()
  MESSAGE(FATAL_ERROR "We absolutely need the Salome CMake configuration files, please define CONFIGURATION_ROOT_DIR !")
ENDIF()

# Versioning
# ===========
SALOME_SETUP_VERSION(9.12.0)
MESSAGE(STATUS "Building ${PROJECT_NAME_UC} ${${PROJECT_NAME_UC}_VERSION} from \"${${PROJECT_NAME_UC}_GIT_SHA1}\"")

# Find KERNEL
# ===========
SET(KERNEL_ROOT_DIR $ENV{KERNEL_ROOT_DIR} CACHE PATH "Path to the Salome KERNEL")
IF(EXISTS ${KERNEL_ROOT_DIR})
  FIND_PACKAGE(SalomeKERNEL REQUIRED)
  KERNEL_WITH_CORBA() #check whether KERNEL built with CORBA
  ADD_DEFINITIONS(${KERNEL_DEFINITIONS})
  INCLUDE_DIRECTORIES(${KERNEL_INCLUDE_DIRS})
ELSE(EXISTS ${KERNEL_ROOT_DIR})
  MESSAGE(FATAL_ERROR "We absolutely need a Salome KERNEL, please define KERNEL_ROOT_DIR")
ENDIF(EXISTS ${KERNEL_ROOT_DIR})

# Platform setup
# ==============
INCLUDE(SalomeSetupPlatform)   # From KERNEL
# Always build libraries as shared objects:
SET(BUILD_SHARED_LIBS TRUE)

# User options
# ============
OPTION(SALOME_BUILD_TESTS "Build SALOME tests" ON)
OPTION(SALOME_BUILD_DOC "Generate SALOME SMESH documentation" ON)

# Advanced options:
OPTION(SALOME_BUILD_GUI           "Enable GUI" ON)
OPTION(SALOME_SMESH_USE_CGNS      "Enable import/export to CGNS format" OFF)
OPTION(SALOME_SMESH_USE_TBB       "Enable parallel computation" OFF)
OPTION(SALOME_SMESH_DYNLOAD_LOCAL "Load plug-ins' symbols locally (Linux only)" ON)
OPTION(SMESH_USE_MESHGEMS_HYPOSET "Prefer MeshGems algorithms in sets of hypotheses" OFF)
CMAKE_DEPENDENT_OPTION(SALOME_SMESH_BUILD_FRENCH_DOC "Generate SALOME SMESH French documentation" OFF
                       "SALOME_BUILD_DOC" OFF)

IF(SALOME_SMESH_DYNLOAD_LOCAL)
  ADD_DEFINITIONS(-DDYNLOAD_LOCAL)
ENDIF(SALOME_SMESH_DYNLOAD_LOCAL)

IF(SALOME_USE_64BIT_IDS)
   SET(SMESH_ID_TYPE "long long")
ELSE()
   SET(SMESH_ID_TYPE "long")
ENDIF()

IF(SMESH_USE_MESHGEMS_HYPOSET)
  SET(SMESH_USE_MESHGEMS_HYPOSET_VAR "true")
ELSE(SMESH_USE_MESHGEMS_HYPOSET)
  SET(SMESH_USE_MESHGEMS_HYPOSET_VAR "false")
ENDIF(SMESH_USE_MESHGEMS_HYPOSET)

MARK_AS_ADVANCED(SALOME_BUILD_GUI SALOME_SMESH_USE_CGNS SALOME_SMESH_USE_TBB SALOME_SMESH_DYNLOAD_LOCAL SMESH_USE_MESHGEMS_HYPOSET)

# Prerequisites
# =============
# Find "big" prerequisites first - they reference themselves many others
#   -> this can help finding the smaller prerequisites and detect conflicts.
# In our case KERNEL has already loaded many prereq:

##
## From KERNEL:
##

# Various
# Python
FIND_PACKAGE(SalomePythonInterp REQUIRED)
FIND_PACKAGE(SalomePythonLibs REQUIRED)
# PThread
FIND_PACKAGE(SalomePThread REQUIRED)
# SWIG
FIND_PACKAGE(SalomeSWIG REQUIRED)
# Boost
# FIND_PACKAGE(SalomeBoost REQUIRED)
# CORBA
FIND_PACKAGE(SalomeOmniORB REQUIRED)
FIND_PACKAGE(SalomeOmniORBPy REQUIRED)
# LibXml2
FIND_PACKAGE(SalomeLibXml2 REQUIRED)
# HDF5
FIND_PACKAGE(SalomeHDF5 REQUIRED COMPONENTS C)

# Other KERNEL optionals:
IF(SALOME_BUILD_TESTS)
  ENABLE_TESTING()
  FIND_PACKAGE(SalomeCppUnit)
  SALOME_LOG_OPTIONAL_PACKAGE(CppUnit SALOME_BUILD_TESTS)
ENDIF()
IF(SALOME_BUILD_DOC)
  FIND_PACKAGE(SalomeDoxygen)
  FIND_PACKAGE(SalomeSphinx)
  INCLUDE(UseSphinx)
  SPHINX_CHECK_EXTENSIONS(sphinx_rtd_theme)
  IF(SPHINX_VERSION VERSION_LESS "1.3")
    SPHINX_CHECK_EXTENSIONS(sphinxcontrib.napoleon)
  ENDIF()
  SALOME_LOG_OPTIONAL_PACKAGE(Doxygen SALOME_BUILD_DOC)
  SALOME_LOG_OPTIONAL_PACKAGE(Sphinx SALOME_BUILD_DOC)
ENDIF()

# Find GUI
IF(SALOME_BUILD_GUI)
  SET(GUI_ROOT_DIR $ENV{GUI_ROOT_DIR} CACHE PATH "Path to the Salome GUI")
  IF(EXISTS ${GUI_ROOT_DIR})
    FIND_PACKAGE(SalomeGUI)
    SALOME_GUI_WITH_CORBA() #check whether GUI built with CORBA
    SALOME_GUI_MODE(SALOME_USE_VTKVIEWER SALOME_USE_SALOMEOBJECT
                    OPTIONAL SALOME_USE_PLOT2DVIEWER SALOME_USE_PYCONSOLE)
    ##
    ## Prerequisites From GUI:
    ##
    # Qt
    FIND_PACKAGE(SalomeQt5 REQUIRED)
    # SIP
    FIND_PACKAGE(SalomeSIP REQUIRED)  # should come after Python and before PyQt5
    # PyQt
    FIND_PACKAGE(SalomePyQt5 REQUIRED)
    # Qwt
    FIND_PACKAGE(SalomeQwt REQUIRED)
  ELSE(EXISTS ${GUI_ROOT_DIR})
    MESSAGE(FATAL_ERROR "GUI_ROOT_DIR is not well defined, SMESH will be built without GUI!!!")
  ENDIF(EXISTS ${GUI_ROOT_DIR})
  SALOME_LOG_OPTIONAL_PACKAGE(SalomeGUI SALOME_BUILD_GUI)
ENDIF(SALOME_BUILD_GUI)

# Find GEOM
# ===========
SET(GEOM_ROOT_DIR $ENV{GEOM_ROOT_DIR} CACHE PATH "Path to the Salome GEOM")
IF(EXISTS ${GEOM_ROOT_DIR})
  FIND_PACKAGE(SalomeGEOM REQUIRED)
  ADD_DEFINITIONS(${GEOM_DEFINITIONS})
  INCLUDE_DIRECTORIES(${GEOM_INCLUDE_DIRS})
  IF(SALOME_BUILD_GUI)
    IF(NOT SALOME_GEOM_BUILD_GUI)
      MESSAGE(FATAL_ERROR "We absolutely need a Salome GEOM with GUI, please set SALOME_BUILD_GUI=ON in GEOM module")
    ENDIF(NOT SALOME_GEOM_BUILD_GUI)
  ENDIF(SALOME_BUILD_GUI)
ELSE(EXISTS ${GEOM_ROOT_DIR})
  MESSAGE(FATAL_ERROR "We absolutely need a Salome GEOM, please define GEOM_ROOT_DIR")
ENDIF(EXISTS ${GEOM_ROOT_DIR})

# Find SHAPERSTUDY
# ================
SET(WITH_SHAPER_STUDY OFF)
SET(SHAPERSTUDY_ROOT_DIR $ENV{SHAPERSTUDY_ROOT_DIR} CACHE PATH "Path to the Salome SHAPERSTUDY")
IF(EXISTS ${SHAPERSTUDY_ROOT_DIR})
  FIND_PACKAGE(SalomeSHAPERSTUDY)
  IF(SalomeSHAPERSTUDY_FOUND)
    SET(WITH_SHAPER_STUDY ON)
  ENDIF()
ENDIF(EXISTS ${SHAPERSTUDY_ROOT_DIR})
IF(NOT WITH_SHAPER_STUDY AND SALOME_BUILD_TESTS)
  MESSAGE(WARNING "SHAPERSTUDY is not found; the corresponding tests will be omitted")
ENDIF()

# Find MEDCoupling
# ================
SET(MEDCOUPLING_ROOT_DIR $ENV{MEDCOUPLING_ROOT_DIR} CACHE PATH "Path to the MEDCoupling tool")
IF(EXISTS ${MEDCOUPLING_ROOT_DIR})
  FIND_PACKAGE(SalomeMEDCoupling REQUIRED)   # will reload HDF5, MEDFile, XDR, etc ...
ELSE(EXISTS ${MEDCOUPLING_ROOT_DIR})
  MESSAGE(FATAL_ERROR "We absolutely need the MEDCoupling tool, please define MEDCOUPLING_ROOT_DIR !")
ENDIF(EXISTS ${MEDCOUPLING_ROOT_DIR})

##
## SMESH specifics
##

# VTK is obligatiry for the SMESH
FIND_PACKAGE(SalomeVTK REQUIRED)

FIND_PACKAGE(SalomeOpenCASCADE REQUIRED)

IF(SALOME_SMESH_USE_CGNS)
  FIND_PACKAGE(SalomeCGNS)
  SALOME_LOG_OPTIONAL_PACKAGE(CGNS SALOME_SMESH_USE_CGNS)
  ADD_DEFINITIONS(-DWITH_CGNS)
ENDIF(SALOME_SMESH_USE_CGNS)

IF(SALOME_SMESH_USE_TBB)
  FIND_PACKAGE(SalomeTBB)
  SALOME_LOG_OPTIONAL_PACKAGE(TBB SALOME_SMESH_USE_TBB)
  ADD_DEFINITIONS(-DWITH_TBB)
ENDIF(SALOME_SMESH_USE_TBB)

FIND_PACKAGE(SalomeMEDFile REQUIRED)


SET (SALOME_SMESH_DISABLE_MG_ADAPT OFF)
SET (SALOME_SMESH_DISABLE_HOMARD_ADAPT OFF)
IF(WIN32)
  # On Windows temporarily disable MG_ADAPT
  SET (SALOME_SMESH_DISABLE_MG_ADAPT ON)
  SET (SALOME_SMESH_DISABLE_HOMARD_ADAPT ON)
ENDIF()
IF(SALOME_SMESH_DISABLE_MG_ADAPT)
  ADD_DEFINITIONS(-DDISABLE_MG_ADAPT)
ENDIF()

IF(SALOME_SMESH_DISABLE_HOMARD_ADAPT)
  ADD_DEFINITIONS(-DDISABLE_HOMARD_ADAPT)
ENDIF()


# Detection summary:
SALOME_PACKAGE_REPORT_AND_CHECK()

# Directories
# (default values taken from 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 "${SALOME_INSTALL_SCRIPT_PYTHON}" CACHE PATH
   "Install path: SALOME Python scripts")
SET(SALOME_INSTALL_APPLISKEL_SCRIPTS "${SALOME_INSTALL_APPLISKEL_SCRIPTS}" CACHE PATH
   "Install path: SALOME application skeleton - scripts")
SET(SALOME_INSTALL_APPLISKEL_PYTHON "${SALOME_INSTALL_APPLISKEL_PYTHON}" CACHE PATH
   "Install path: SALOME application skeleton - Python")
SET(SALOME_INSTALL_PYTHON "${SALOME_INSTALL_PYTHON}" CACHE PATH "Install path: SALOME Python stuff")
SET(SALOME_INSTALL_PYTHON_SHARED "${SALOME_INSTALL_PYTHON_SHARED}" CACHE PATH
   "Install path: SALOME Python shared modules")
SET(SALOME_INSTALL_CMAKE_LOCAL "${SALOME_INSTALL_CMAKE_LOCAL}" CACHE PATH
    "Install path: local SALOME CMake files")
SET(SALOME_INSTALL_AMCONFIG_LOCAL "${SALOME_INSTALL_AMCONFIG_LOCAL}" CACHE PATH
  "Install path: local SALOME config files (obsolete, to be removed)")
SET(SALOME_INSTALL_RES "${SALOME_INSTALL_RES}" CACHE PATH "Install path: SALOME resources")
SET(SALOME_INSTALL_DOC "${SALOME_INSTALL_DOC}" CACHE PATH "Install path: SALOME documentation")

# Specific to SMESH:
SET(SALOME_SMESH_INSTALL_RES_DATA "${SALOME_INSTALL_RES}/smesh" CACHE PATH
    "Install path: SALOME SMESH specific data")
SET(SALOME_SMESH_INSTALL_PLUGINS share/salome/plugins/smesh CACHE PATH
    "Install path: SALOME SMESH plugins")

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_LOCAL SALOME_INSTALL_RES)
MARK_AS_ADVANCED(SALOME_INSTALL_PYTHON SALOME_INSTALL_PYTHON_SHARED)
MARK_AS_ADVANCED(SALOME_INSTALL_AMCONFIG_LOCAL SALOME_INSTALL_DOC)
MARK_AS_ADVANCED(SALOME_SMESH_INSTALL_RES_DATA SALOME_SMESH_INSTALL_PLUGINS)

# Accumulate environment variables for SMESH module
SALOME_ACCUMULATE_ENVIRONMENT(PYTHONPATH NOCHECK ${CMAKE_INSTALL_PREFIX}/${SALOME_INSTALL_BINS}
                                                 ${CMAKE_INSTALL_PREFIX}/${SALOME_INSTALL_PYTHON}
                                                 ${CMAKE_INSTALL_PREFIX}/${SALOME_INSTALL_PYTHON_SHARED})
SALOME_ACCUMULATE_ENVIRONMENT(LD_LIBRARY_PATH NOCHECK ${CMAKE_INSTALL_PREFIX}/${SALOME_INSTALL_LIBS})

# For salome test
# ===============

SET(SMESH_TEST_DIR ${SALOME_INSTALL_SCRIPT_SCRIPTS}/test)
IF(SALOME_BUILD_TESTS)
  CONFIGURE_FILE(CTestTestfileInstall.cmake.in CTestTestfileInstall.cmake @ONLY)
  INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/CTestTestfileInstall.cmake
          DESTINATION ${SMESH_TEST_DIR}
          RENAME CTestTestfile.cmake)
ENDIF()

# Sources
# ========

ADD_SUBDIRECTORY(idl)
ADD_SUBDIRECTORY(adm_local)
ADD_SUBDIRECTORY(resources)
ADD_SUBDIRECTORY(bin)
ADD_SUBDIRECTORY(src)
ADD_SUBDIRECTORY(doc)
IF(SALOME_BUILD_TESTS)
  ADD_SUBDIRECTORY(test)
ENDIF()

# Header configuration
# ====================
SALOME_CONFIGURE_FILE(SMESH_version.h.in SMESH_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
  SMESHControls MeshDriver MeshDriverDAT MeshDriverGMF MeshDriverMED
  MeshDriverSTL MeshDriverUNV MEDWrapper
  SMDS SMESHimpl SMESHEngine SMESHClient SMESHDS
  SMESHUtils StdMeshers StdMeshersEngine
  SalomeIDLSMESH SalomeIDLSPADDER
)

IF(SALOME_BUILD_GUI)
  LIST(APPEND _${PROJECT_NAME}_exposed_targets
      SMESHObject SMESHFiltersSelection SMESH PluginUtils StdMeshersGUI
  )
ENDIF(SALOME_BUILD_GUI)

IF(SALOME_SMESH_USE_CGNS)
  LIST(APPEND _${PROJECT_NAME}_exposed_targets
    MeshDriverCGNS
  )
ENDIF(SALOME_SMESH_USE_CGNS)

# 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(GEOM_ROOT_DIR "${GEOM_ROOT_DIR}")
SET(MEDCOUPLING_ROOT_DIR "${MEDCOUPLING_ROOT_DIR}")
SET(MEDFILE_ROOT_DIR "${MEDFILE_ROOT_DIR}")
SET(CGNS_ROOT_DIR "${CGNS_ROOT_DIR}")
SET(TBB_ROOT_DIR  "${TBB_ROOT_DIR}")

SET(CONF_INCLUDE_DIRS "${PROJECT_SOURCE_DIR}/include" "${PROJECT_BINARY_DIR}/include")

# Build variables that will be expanded when configuring Salome<MODULE>Config.cmake:
SALOME_CONFIGURE_PREPARE(MEDCoupling CGNS TBB MEDFile)

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
    GEOM_ROOT_DIR MEDCOUPLING_ROOT_DIR MEDFILE_ROOT_DIR CGNS_ROOT_DIR TBB_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)