CMakeLists.txt

make_minimum_required (VERSION 2.8.4)

if (NOT CMAKE_BUILD_TYPE)
  message(STATUS "No build type selected, default to Release")
  set(CMAKE_BUILD_TYPE "Release" CACHE STRING "Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel." FORCE)
endif()


IF ( APPLE )
	IF(CMAKE_BUILD_TYPE MATCHES DEBUG)
	    message("WARNING: Mac Debug mode mixes debug and release libraries (Webkit, ...), which causes strange errors.")
	    message("WARNING: It might work but is currently not supported.")
	ENDIF(CMAKE_BUILD_TYPE MATCHES DEBUG)
endif()


project (OpenFlipper)

# add our macro directory to cmake search path
set (CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_SOURCE_DIR}/cmake)

# include our cmake files
include (ACGCommon)

acg_get_version (OpenFlipper)

include (package)
include (ACGOutput)


acg_qt4 (4.7.0)
acg_openmp ()
acg_ftgl ()

# check for OpenGL, GLEW and GLUT as our required dependencies
find_package (OpenGL)
if (NOT OPENGL_FOUND)
  message (FATAL_ERROR "OpengGL not found!")
endif ()

find_package (GLEW)
if (NOT GLEW_FOUND)
  message (FATAL_ERROR "GLEW not found!")
endif ()

find_package (GLUT)
if (NOT GLUT_FOUND)
  message (FATAL_ERROR "GLUT not found!")
endif ()
find_package (OpenMesh)
if (NOT OPENMESH_FOUND)
    message (FATAL_ERROR "OpenMesh not found!")
endif ()
find_package (OpenVolumeMesh)
if (NOT OPENVOLUMEMESH_FOUND)
    message (FATAL_ERROR "OpenVolumeMesh not found!")
endif ()


# ========================================================================
# Configure the executables path for tests
# ========================================================================
if (APPLE)
  SET( OPENFLIPPER_EXECUTABLE "${CMAKE_BINARY_DIR}/Build/OpenFlipper.app/Contents/MacOS/OpenFlipper" )
elseif( WIN32 )
  SET( OPENFLIPPER_EXECUTABLE "${CMAKE_BINARY_DIR}/Build/OpenFlipper.exe" )
else()
  SET( OPENFLIPPER_EXECUTABLE "${CMAKE_BINARY_DIR}/Build/bin/OpenFlipper" )
endif()
SET(OPENFLIPPER_TEST_FILES    ${CMAKE_BINARY_DIR}/tests/globalTestFiles )
SET(OPENFLIPPER_TEST_RESULTS  ${CMAKE_BINARY_DIR}/tests/testResults )
SET(OPENFLIPPER_TEST_BINARIES ${CMAKE_BINARY_DIR}/tests/testBinaries )

enable_testing()

# ========================================================================
# Core Library Components (Except the Core application)
# ========================================================================
add_subdirectory (ACG)
add_subdirectory (OpenFlipper/PluginLib)

# ========================================================================
# Tests
# ========================================================================
add_subdirectory (tests)

# ========================================================================
# Documentation generators  
# ========================================================================

# Create dirs to make doxygen happy
file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/Build/${ACG_PROJECT_DATADIR}/Doc ) 
file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/Build/${ACG_PROJECT_DATADIR}/Help ) 

# Add the deocumentation targets
add_subdirectory (OpenFlipper/Documentation/DeveloperTarget)
add_subdirectory (OpenFlipper/Documentation/DeveloperQtHelpTarget)
add_subdirectory (OpenFlipper/Documentation/UserTarget)
add_subdirectory (OpenFlipper/Documentation/UserQtHelpTarget)


# ========================================================================
# Build all additional libraries  
# ========================================================================

# search all libs in the libs directory 
# (required and optional libraries
file (
  GLOB _local_libs_in
  RELATIVE "${CMAKE_SOURCE_DIR}"
           "${CMAKE_SOURCE_DIR}/libs/*/CMakeLists.txt"
           "${CMAKE_SOURCE_DIR}/libs_required/*/CMakeLists.txt"
)


set( REMAINING_LOCAL_LIBS "" )

# Special Comiso case:
# The library has to be configured first
foreach (_localLib ${_local_libs_in})
  if ( "${_localLib}" MATCHES .*CoMISo.* )
    get_filename_component (_local_lib_dir ${_localLib} PATH)
    if ( NOT DEFINED LIB_COMISO_BUILD )
      set( LIB_COMISO_BUILD true CACHE BOOL "Enable or disable build of COMISO Library" )
    endif()

    if ( LIB_COMISO_BUILD )
      add_subdirectory (${CMAKE_SOURCE_DIR}/${_local_lib_dir})
    endif()
  else()
    LIST(APPEND REMAINING_LOCAL_LIBS ${_localLib})
  endif()
endforeach ()


# add all found libs to the build
foreach (_localLib ${REMAINING_LOCAL_LIBS})

  get_filename_component (_local_lib_dir ${_localLib} PATH)

  # If the library is in the required folder, we have to build it anyway, so
  # detect it here
  SET(REQUIRED FALSE) 
  if ( _localLib MATCHES ".*libs_required.*" )
    SET(REQUIRED TRUE )
  endif()

  # Extract upper case library dir name for the human readable entries in the cmake config
  string(TOUPPER ${_local_lib_dir} _local_lib_dir_upper)
  string(REGEX REPLACE "LIBS[/\\]" "" _local_lib_dir_upper ${_local_lib_dir_upper} )
 
  # Only generate setting if the lib is not required (otherwise, we will always build it)
  if ( NOT DEFINED LIB_${_local_lib_dir_upper}_BUILD AND NOT REQUIRED)
      set( LIB_${_local_lib_dir_upper}_BUILD true CACHE BOOL "Enable or disable build of ${_local_lib_dir_upper} Library" )
  endif()

  # Build if this library is required or if it is enabled
  if ( LIB_${_local_lib_dir_upper}_BUILD OR REQUIRED)
    add_subdirectory (${CMAKE_SOURCE_DIR}/${_local_lib_dir})
  endif()
endforeach ()

# ========================================================================
# PolyLine extension special case
# ========================================================================

if ( EXISTS ${CMAKE_SOURCE_DIR}/libs/MeshIntegration ) 
  add_definitions( -DEXTENDED_POLY_LINE )
endif()

# ========================================================================
# License Manager
# ========================================================================
if ( NOT DEFINED OPENFLIPPER_ENABLE_LICENSE_MANAGER )
  set( OPENFLIPPER_ENABLE_LICENSE_MANAGER true CACHE BOOL "Enable or disable license management in all plugins" )
endif()

# ========================================================================
# Apple Mac Store Flags
# ========================================================================
if ( APPLE AND NOT DEFINED OPENFLIPPER_BUILD_APP_STORE_COMPLIANT )
  set( OPENFLIPPER_BUILD_APP_STORE_COMPLIANT true CACHE BOOL "Enable app store compliant build (No internal update, different paths,...)" )
endif()


# ========================================================================
# Plugins
# ========================================================================

# start with an empty plugin list
acg_set (OPENFLIPPER_PLUGINS "")

# add plugins
of_add_plugins ()

# ========================================================================
# Build core as we now know all dependencies
# ========================================================================

add_subdirectory (OpenFlipper/CoreApp)


# ========================================================================
# Bundle generation
# ========================================================================

if (WIN32 )

  # Plugins collected a list of required libdirs for getting 
  # their DLLS on windows:
  get_property( WINDOWS_COPY_LIBDIRS GLOBAL PROPERTY WINDOWS_LIBRARY_DIR_LIST )
  
  if ( WINDOWS_COPY_LIBDIRS )
    list(REMOVE_DUPLICATES WINDOWS_COPY_LIBDIRS)
  endif()

  # prepare bundle generation cmake file and add a build target for it
  configure_file ("${CMAKE_SOURCE_DIR}/OpenFlipper/cmake/fixbundle.cmake.win.in"
     "${CMAKE_BINARY_DIR}/fixbundle.win.cmake" @ONLY IMMEDIATE)

  add_custom_target (fixbundle ALL
    COMMAND ${CMAKE_COMMAND} -P "${CMAKE_BINARY_DIR}/fixbundle.win.cmake" )

  # let bundle generation depend on all targets
  add_dependencies (fixbundle OpenFlipper PluginLib ${OPENFLIPPER_PLUGINS})
 
endif(WIN32)

# ========================================================================
# Custom command to create a bundle and a package on mac
# ========================================================================

if ( APPLE )

   # Configuration option about fixbundle
   if ( APPLE AND NOT DEFINED OPENFLIPPER_CALL_FIX_BUNDLE )
     set( OPENFLIPPER_CALL_FIX_BUNDLE false CACHE BOOL "After building OpenFlipper, a bundle creation step is executed (which copies all dependencies into the bundle) to create a valid MacOs Bundle. This step is only necessary if creating a package." )
   endif()

  # prepare bundle generation cmake file and add a build target for it
  configure_file ("${CMAKE_SOURCE_DIR}/OpenFlipper/cmake/fixbundle.cmake.in"
     "${CMAKE_BINARY_DIR}/fixbundle.cmake" @ONLY IMMEDIATE)   

  # Fixbundle is only necessary, when we wan't a shippable package.
  # Otherwise the original rpaths are used 
  if ( OPENFLIPPER_CALL_FIX_BUNDLE )
    # Call fixbundle every time   
    add_custom_target (fixbundle ALL 
      COMMAND ${CMAKE_COMMAND} -P "${CMAKE_BINARY_DIR}/fixbundle.cmake"
    )
  else()
    # Call fixbundle only as a dependency
    add_custom_target (fixbundle 
      COMMAND ${CMAKE_COMMAND} -P "${CMAKE_BINARY_DIR}/fixbundle.cmake"
    )
  endif()

  # let bundle generation depend on all targets
  add_dependencies (fixbundle OpenFlipper PluginLib ${OPENFLIPPER_PLUGINS})

  # install bundle
  install (DIRECTORY ${CMAKE_BINARY_DIR}/Build/OpenFlipper.app DESTINATION .
           USE_SOURCE_PERMISSIONS)

  # Extra target for building an OpenFlipper package on mac
  # Call fixbundle first
  # afterwards we call make package as an external command, as we can't
  # add a dependency on build in targets of cake
  add_custom_target (OpenFlipper_package
    DEPENDS fixbundle
    COMMAND make package
  )

endif()

# ========================================================================
# Output log information
# ========================================================================

# display results
acg_print_configure_header (OPENFLIPPER "OpenFlipper")
of_print_plugin_stats ()
acg_print_configure_footer ()