External_CTKAppLauncherLib.cmake

set(proj CTKAppLauncherLib)

# Set dependency list
set(${proj}_DEPENDENCIES "")

# Include dependent projects if any
ExternalProject_Include_Dependencies(${proj} PROJECT_VAR proj DEPENDS_VAR ${proj}_DEPENDENCIES)

if(Slicer_USE_SYSTEM_${proj})
  message(FATAL_ERROR "Enabling Slicer_USE_SYSTEM_${proj} is not supported !")
endif()

# Sanity checks
if(DEFINED CTKAppLauncherLib_DIR AND NOT EXISTS ${CTKAppLauncherLib_DIR})
  message(FATAL_ERROR "CTKAppLauncherLib_DIR variable is defined but corresponds to nonexistent directory")
endif()

if(NOT DEFINED CTKAppLauncherLib_DIR AND NOT Slicer_USE_SYSTEM_${proj})

  ExternalProject_SetIfNotDefined(
    Slicer_${proj}_GIT_REPOSITORY
    "${EP_GIT_PROTOCOL}://github.com/commontk/AppLauncher.git"
    QUIET
    )

  ExternalProject_SetIfNotDefined(
    Slicer_${proj}_GIT_TAG
    "b1d6dad48b11c2770a72ad879812995213ccfc6e"
    QUIET
    )

  set(EXTERNAL_PROJECT_OPTIONAL_CMAKE_CACHE_ARGS)
      list(APPEND EXTERNAL_PROJECT_OPTIONAL_CMAKE_CACHE_ARGS
        -DQt5_DIR:FILEPATH=${Qt5_DIR}
      )

  set(EP_SOURCE_DIR ${CMAKE_BINARY_DIR}/${proj})
  set(EP_BINARY_DIR ${CMAKE_BINARY_DIR}/${proj}-build)

  ExternalProject_Add(${proj}
    ${${proj}_EP_ARGS}
    GIT_REPOSITORY "${Slicer_${proj}_GIT_REPOSITORY}"
    GIT_TAG "${Slicer_${proj}_GIT_TAG}"
    SOURCE_DIR ${EP_SOURCE_DIR}
    BINARY_DIR ${EP_BINARY_DIR}
    CMAKE_CACHE_ARGS
      -DCMAKE_CXX_COMPILER:FILEPATH=${CMAKE_CXX_COMPILER}
      -DCMAKE_CXX_FLAGS:STRING=${ep_common_cxx_flags}
      -DCMAKE_C_COMPILER:FILEPATH=${CMAKE_C_COMPILER}
      -DCMAKE_C_FLAGS:STRING=${ep_common_c_flags}
      -DCMAKE_CXX_STANDARD:STRING=${CMAKE_CXX_STANDARD}
      -DCMAKE_CXX_STANDARD_REQUIRED:BOOL=${CMAKE_CXX_STANDARD_REQUIRED}
      -DCMAKE_CXX_EXTENSIONS:BOOL=${CMAKE_CXX_EXTENSIONS}
      -DBUILD_TESTING:BOOL=OFF
      # XXX Revisit this when visibility flags will directly be used in Slicer
      -DCTKAppLauncher_VISIBILITY_HIDDEN:BOOL=OFF
      ${EXTERNAL_PROJECT_OPTIONAL_CMAKE_CACHE_ARGS}
    INSTALL_COMMAND ""
    DEPENDS
      ${${proj}_DEPENDENCIES}
    )

  ExternalProject_GenerateProjectDescription_Step(${proj}
    LICENSE_FILES "https://raw.githubusercontent.com/commontk/AppLauncher/master/LICENSE_Apache_20"
    )

  set(CTKAppLauncherLib_DIR ${EP_BINARY_DIR})

  #-----------------------------------------------------------------------------
  # Launcher setting specific to build tree

  # NA

  #-----------------------------------------------------------------------------
  # Launcher setting specific to install tree

  # NA

else()
  ExternalProject_Add_Empty(${proj} DEPENDS ${${proj}_DEPENDENCIES})
endif()

mark_as_superbuild(
  VARS CTKAppLauncherLib_DIR:PATH
  LABELS "FIND_PACKAGE"
  )