cmake_minimum_required (VERSION 2.8)

include (CheckCSourceCompiles)
project (ResInsight)

set (VIZ_MODULES_FOLDER_NAME Fwk/VizFwk)

set_property(GLOBAL PROPERTY USE_FOLDERS ON)


################################################################################
# Setup the main platform defines
################################################################################
if (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
    add_definitions(-DCVF_LINUX)
elseif (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
    add_definitions(-DCVF_OSX)
else()
	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP")
endif()

if (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
    set(CMAKE_CXX_FLAGS 		"-DCVF_LINUX -pipe -Wextra -Woverloaded-virtual -Wformat")
    set(CMAKE_CXX_FLAGS_DEBUG 	"-ggdb -g3 -O0 -DDEBUG -D_DEBUG")
    set(CMAKE_CXX_FLAGS_RELEASE "-O2 -DNO_DEBUG")
endif() 


################################################################################
# OpenMP
################################################################################
option (RESINSIGHT_USE_OPENMP "Enable OpenMP parallellization in the code" ON)
if (RESINSIGHT_USE_OPENMP)
    find_package(OpenMP)
    if(OPENMP_FOUND)
        message(STATUS "Enabling OpenMP support")
        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
        set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${OpenMP_EXE_LINKER_FLAGS}")
    else()
        message(STATUS "Disabling OpenMP support")
    endif()
endif()


################################################################################
# Version number
################################################################################
include (ResInsightVersion.cmake)


################################################################################
# ERT
################################################################################

# Disable install of ERT libs and headers, as Ert code is compiled and linked directly
SET(INSTALL_ERT OFF CACHE BOOL "ERT: Install library")
SET(BUILD_SHARED_LIBS OFF CACHE BOOL "ERT: Build shared libraries")
SET(ERT_USE_OPENMP ${OPENMP_FOUND} CACHE BOOL "ERT: Compile using OpenMP")

option( ERT_EXTERNAL             "Build ERT from external source" OFF)
SET(EXT_ERT_ROOT "" CACHE STRING "Path to ERT CMakeList.txt (source path)")

if (ERT_EXTERNAL)
    if (EXT_ERT_ROOT)
        set(ERT_SOURCE_PATH "${EXT_ERT_ROOT}")

        add_subdirectory(${ERT_SOURCE_PATH} ${CMAKE_BINARY_DIR}/ThirdParty/Ert)
        include_directories(
        ${ERT_SOURCE_PATH}/libecl/include/ert/ecl
        ${ERT_SOURCE_PATH}/libert_util/include/ert/util
        ${ERT_SOURCE_PATH}/libgeometry/include/ert/geometry
        ${ERT_SOURCE_PATH}/libecl_well/include/ert/ecl_well
        ${ERT_SOURCE_PATH}/libecl/include
        ${ERT_SOURCE_PATH}/libert_util/include
        ${ERT_SOURCE_PATH}/libgeometry/include
        ${ERT_SOURCE_PATH}/libecl_well/include
        ${CMAKE_BINARY_DIR}/ThirdParty/Ert/libert_util/include/ert/util
        ${CMAKE_BINARY_DIR}/ThirdParty/Ert/libert_util/include
        )
    endif(EXT_ERT_ROOT)

else (ERT_EXTERNAL)
    add_subdirectory(ThirdParty/Ert/devel)
    include_directories(
    ${CMAKE_SOURCE_DIR}/ThirdParty/Ert/devel/libecl/include/ert/ecl
    ${CMAKE_SOURCE_DIR}/ThirdParty/Ert/devel/libert_util/include/ert/util
    ${CMAKE_SOURCE_DIR}/ThirdParty/Ert/devel/libgeometry/include/ert/geometry
    ${CMAKE_SOURCE_DIR}/ThirdParty/Ert/devel/libecl_well/include/ert/ecl_well
	${CMAKE_SOURCE_DIR}/ThirdParty/Ert/devel/libecl/include
    ${CMAKE_SOURCE_DIR}/ThirdParty/Ert/devel/libecl/include
    ${CMAKE_SOURCE_DIR}/ThirdParty/Ert/devel/libert_util/include
    ${CMAKE_SOURCE_DIR}/ThirdParty/Ert/devel/libgeometry/include
    ${CMAKE_SOURCE_DIR}/ThirdParty/Ert/devel/libecl_well/include

	${CMAKE_BINARY_DIR}/ThirdParty/Ert/devel/libert_util/include/ert/util
    ${CMAKE_BINARY_DIR}/ThirdParty/Ert/devel/libert_util/include/ert/util
    ${CMAKE_BINARY_DIR}/ThirdParty/Ert/devel/libert_util/include
    )
endif (ERT_EXTERNAL)

set_property(TARGET  
				ecl 
				ecl_well 
				ert_geometry 
				ert_util  
			  PROPERTY FOLDER "ERT"
)


################################################################################
# NRLib
################################################################################

add_subdirectory(ThirdParty/NRLib)
include_directories(ThirdParty/NRLib/nrlib/well)


################################################################################
# Qt
################################################################################
set (QT_COMPONENTS_REQUIRED QtCore QtGui QtMain QtOpenGl QtNetwork QtScript QtScriptTools)
find_package (Qt4 COMPONENTS ${QT_COMPONENTS_REQUIRED})
if ( NOT QT4_FOUND )
    message(FATAL_ERROR "Package Qt4 is required, but not found. Please specify qmake for variable QT_QMAKE_EXECUTABLE")
endif ( NOT QT4_FOUND )

if (QT_VERSION_MINOR LESS 6)
    message(FATAL_ERROR "Qt 4.6 is required, please specify qmake for variable QT_QMAKE_EXECUTABLE")
endif()

include (${QT_USE_FILE})

# Open GL
find_package( OpenGL )

################################################################################
# Qwt
################################################################################

add_subdirectory(ThirdParty/Qwt/src)
include_directories(ThirdParty/Qwt/src)

################################################################################
# Vizualization Framework
################################################################################

# Allow use of non-threadsafe reference counter in cvf::Object on systems with no atomics support
if (CMAKE_COMPILER_IS_GNUCC)
 
    if (NOT DEFINED HAVE_GCC_SYNC_FUNCTIONS)
        check_c_source_compiles("int main(int argc, char **argv) {
            int a;
            __sync_add_and_fetch(&a, 1);
            __sync_fetch_and_add(&a, 1);
            __sync_sub_and_fetch(&a, 1);
            __sync_fetch_and_sub(&a, 1); }" HAVE_GCC_SYNC_FUNCTIONS)
    endif()
 
    if (HAVE_GCC_SYNC_FUNCTIONS)
        message("GCC synchronization functions detected")
    else()
        message("GCC synchronization functions NOT detected, fallback to non threadsafe reference counting")
        add_definitions(-DCVF_USE_NON_THREADSAFE_REFERENCE_COUNT)
    endif()
 
endif()

add_subdirectory(${VIZ_MODULES_FOLDER_NAME}/LibCore)
add_subdirectory(${VIZ_MODULES_FOLDER_NAME}/LibGeometry)
add_subdirectory(${VIZ_MODULES_FOLDER_NAME}/LibRender)
add_subdirectory(${VIZ_MODULES_FOLDER_NAME}/LibViewing)
add_subdirectory(${VIZ_MODULES_FOLDER_NAME}/LibGuiQt)

include_directories(
    ${LibCore_SOURCE_DIR}
    ${LibGeometry_SOURCE_DIR}
    ${LibRender_SOURCE_DIR}
    ${LibViewing_SOURCE_DIR}
    ${LibGuiQt_SOURCE_DIR}
)

set_property(TARGET  
				LibCore 
				LibGeometry 
				LibGuiQt 
				LibRender 
				LibViewing  
			  PROPERTY FOLDER "VizFwk"
)


################################################################################
# Application Framework
################################################################################

add_subdirectory(Fwk/AppFwk/cafAnimControl)
add_subdirectory(Fwk/AppFwk/cafViewer)

add_subdirectory(Fwk/AppFwk/cafProjectDataModel/cafPdmCore)
add_subdirectory(Fwk/AppFwk/cafProjectDataModel/cafPdmUiCore)
add_subdirectory(Fwk/AppFwk/cafProjectDataModel/cafPdmXml)
add_subdirectory(Fwk/AppFwk/cafProjectDataModel)

add_subdirectory(Fwk/AppFwk/cafCommand)
add_subdirectory(Fwk/AppFwk/cafUserInterface)
add_subdirectory(Fwk/AppFwk/cafPdmCvf)
add_subdirectory(Fwk/AppFwk/CommonCode)


add_subdirectory(Fwk/AppFwk/cafTensor)

set_property(TARGET  
	cafAnimControl
    cafViewer

    cafPdmCore
    cafPdmUiCore
    cafPdmXml
	cafProjectDataModel 

    cafCommand
	cafUserInterface 
	cafTensor
	cafPdmCvf 
	CommonCode
	PROPERTY FOLDER "AppFwk"
)


################################################################################
# Installation settings
################################################################################

set (RESINSIGHT_FINAL_NAME "ResInsight-${STRPRODUCTVER}")

# Append el5 when compiled on RHEL5 and el6 if compiled on RHEL6
string(REGEX MATCH "el[5,6]?" RESINSIGHT_PLATFORM ${CMAKE_SYSTEM})
if (NOT "${RESINSIGHT_PLATFORM}" STREQUAL "")
    set (RESINSIGHT_FINAL_NAME "${RESINSIGHT_FINAL_NAME}-${RESINSIGHT_PLATFORM}")
endif()

# override system install prefix if private installation chosen
option (RESINSIGHT_PRIVATE_INSTALL "Install as an independent bundle including the neccesary Qt libraries" ON)
if (RESINSIGHT_PRIVATE_INSTALL)
    set (CMAKE_INSTALL_PREFIX ${CMAKE_BINARY_DIR}/Install/)
    #set (CMAKE_INSTALL_PREFIX /usr/${RESINSIGHT_FINAL_NAME})
endif (RESINSIGHT_PRIVATE_INSTALL)

################################################################################
# Application 
################################################################################
add_subdirectory(ApplicationCode)
add_subdirectory(OctavePlugin)

################################################################################
# Unit tests
################################################################################
add_subdirectory(ApplicationCode/ReservoirDataModel/ReservoirDataModel_UnitTests)
#add_subdirectory(ApplicationCode/FileInterface/FileInterface_UnitTests)
add_subdirectory(ApplicationCode/ModelVisualization/ModelVisualization_UnitTests)

set_property(TARGET  
	ModelVisualization_UnitTests 
#	FileInterface_UnitTests 
	RigReservoirDataModel_UnitTests 
	PROPERTY FOLDER "UnitTests"
)


################################################################################
# Code documentation using Doxygen
################################################################################
option(RESINSIGHT_BUILD_DOCUMENTATION "Use Doxygen to create the HTML based API documentation" OFF)
if(RESINSIGHT_BUILD_DOCUMENTATION)
  FIND_PACKAGE(Doxygen)
  if (NOT DOXYGEN_FOUND)
    message(FATAL_ERROR 
      "Doxygen is needed to build the documentation. Please install it correctly")
  endif()
  #-- Configure the Template Doxyfile for our specific project
  configure_file(Doxyfile.in 
                 ${PROJECT_BINARY_DIR}/Doxyfile  @ONLY IMMEDIATE)
  #-- Add a custom target to run Doxygen when ever the project is built
  add_custom_target (Docs ALL 
  					COMMAND ${DOXYGEN_EXECUTABLE} ${PROJECT_BINARY_DIR}/Doxyfile
  					SOURCES ${PROJECT_BINARY_DIR}/Doxyfile)
  # IF you do NOT want the documentation to be generated EVERY time you build the project
  # then leave out the 'ALL' keyword from the above command.
endif(RESINSIGHT_BUILD_DOCUMENTATION)

################################################################################
# Installation packaging
################################################################################

if (${CMAKE_SYSTEM_NAME} MATCHES "Linux")
    set(CPACK_GENERATOR TGZ)
elseif (${CMAKE_SYSTEM_NAME} MATCHES "Windows")
    set(CPACK_GENERATOR ZIP)
endif()

set(CPACK_PACKAGE_VERSION_MAJOR ${CMAKE_MAJOR_VERSION})
set(CPACK_PACKAGE_VERSION_MINOR ${CMAKE_MINOR_VERSION})
set(CPACK_PACKAGE_VERSION_PATCH ${CMAKE_PATCH_VERSION})

set(CPACK_PACKAGE_NAME "ResInsight-bin")

if (NOT "${RESINSIGHT_PLATFORM}" STREQUAL "")
    set (CPACK_SYSTEM_NAME "${RESINSIGHT_PLATFORM}")
endif()

include (CPack)