SetExternalProjectOptions.cmake

#-----------------------------------------------------------------------------
# Define Superbuild global variables
#-----------------------------------------------------------------------------

# This variable will contain the list of CMake variable specific to each external project
# that should passed to ${CMAKE_PROJECT_NAME}.
# The item of this list should have the following form: <EP_VAR>:<TYPE>
# where '<EP_VAR>' is an external project variable and TYPE is either BOOL, STRING, PATH or FILEPATH.
# TODO Variable appended to this list will be automatically exported in ${LOCAL_PROJECT_NAME}Config.cmake,
# prefix '${LOCAL_PROJECT_NAME}_' will be prepended if it applies.
set(${CMAKE_PROJECT_NAME}_SUPERBUILD_EP_VARS)

# The macro '_expand_external_project_vars' can be used to expand the list of <EP_VAR>.
set(${CMAKE_PROJECT_NAME}_SUPERBUILD_EP_ARGS) # List of CMake args to configure BRAINS
set(${CMAKE_PROJECT_NAME}_SUPERBUILD_EP_VARNAMES) # List of CMake variable names

# Convenient macro allowing to expand the list of EP_VAR listed in ${CMAKE_PROJECT_NAME}_SUPERBUILD_EP_VARS
# The expanded arguments will be appended to the list ${CMAKE_PROJECT_NAME}_SUPERBUILD_EP_ARGS
# Similarly the name of the EP_VARs will be appended to the list ${CMAKE_PROJECT_NAME}_SUPERBUILD_EP_VARNAMES.
macro(_expand_external_project_vars)
  set(${CMAKE_PROJECT_NAME}_SUPERBUILD_EP_ARGS "")
  set(${CMAKE_PROJECT_NAME}_SUPERBUILD_EP_VARNAMES "")
  foreach(arg ${${CMAKE_PROJECT_NAME}_SUPERBUILD_EP_VARS})
    string(REPLACE ":" ";" varname_and_vartype ${arg})
    set(target_info_list ${target_info_list})
    list(GET varname_and_vartype 0 _varname)
    list(GET varname_and_vartype 1 _vartype)
    list(APPEND ${CMAKE_PROJECT_NAME}_SUPERBUILD_EP_ARGS -D${_varname}:${_vartype}=${${_varname}})
    list(APPEND ${CMAKE_PROJECT_NAME}_SUPERBUILD_EP_VARNAMES ${_varname})
  endforeach()
endmacro()

#-----------------------------------------------------------------------------
# Common external projects CMake variables
#-----------------------------------------------------------------------------
list(APPEND ${CMAKE_PROJECT_NAME}_SUPERBUILD_EP_VARS
  MAKECOMMAND:STRING
  CMAKE_SKIP_RPATH:BOOL
  CMAKE_BUILD_TYPE:STRING
  BUILD_SHARED_LIBS:BOOL
  CMAKE_CXX_COMPILER:PATH
  CMAKE_CXX_FLAGS_RELEASE:STRING
  CMAKE_CXX_FLAGS_DEBUG:STRING
  CMAKE_CXX_FLAGS:STRING
  CMAKE_C_COMPILER:PATH
  CMAKE_C_FLAGS_RELEASE:STRING
  CMAKE_C_FLAGS_DEBUG:STRING
  CMAKE_C_FLAGS:STRING
  CMAKE_SHARED_LINKER_FLAGS:STRING
  CMAKE_EXE_LINKER_FLAGS:STRING
  CMAKE_MODULE_LINKER_FLAGS:STRING
  CMAKE_GENERATOR:STRING
  CMAKE_EXTRA_GENERATOR:STRING
  CMAKE_INSTALL_PREFIX:PATH
  CMAKE_LIBRARY_OUTPUT_DIRECTORY:PATH
  CMAKE_ARCHIVE_OUTPUT_DIRECTORY:PATH
  CMAKE_RUNTIME_OUTPUT_DIRECTORY:PATH
  CMAKE_BUNDLE_OUTPUT_DIRECTORY:PATH
  CTEST_NEW_FORMAT:BOOL
  MEMORYCHECK_COMMAND_OPTIONS:STRING
  MEMORYCHECK_COMMAND:PATH
  SITE:STRING
  BUILDNAME:STRING
  ${PROJECT_NAME}_BUILD_DICOM_SUPPORT:BOOL
  )

if(${LOCAL_PROJECT_NAME}_USE_QT)
  list(APPEND ${CMAKE_PROJECT_NAME}_SUPERBUILD_EP_VARS
    ${LOCAL_PROJECT_NAME}_USE_QT:BOOL
    QT_QMAKE_EXECUTABLE:PATH
    QT_MOC_EXECUTABLE:PATH
    QT_UIC_EXECUTABLE:PATH
    )
endif()

_expand_external_project_vars()
set(COMMON_EXTERNAL_PROJECT_ARGS ${${CMAKE_PROJECT_NAME}_SUPERBUILD_EP_ARGS})
set(extProjName ${LOCAL_PROJECT_NAME})
set(proj        ${LOCAL_PROJECT_NAME})
SlicerMacroCheckExternalProjectDependency(${proj})

#-----------------------------------------------------------------------------
# Set CMake OSX variable to pass down the external project
#-----------------------------------------------------------------------------
set(CMAKE_OSX_EXTERNAL_PROJECT_ARGS)
if(APPLE)
  list(APPEND CMAKE_OSX_EXTERNAL_PROJECT_ARGS
    -DCMAKE_OSX_ARCHITECTURES=${CMAKE_OSX_ARCHITECTURES}
    -DCMAKE_OSX_SYSROOT=${CMAKE_OSX_SYSROOT}
    -DCMAKE_OSX_DEPLOYMENT_TARGET=${CMAKE_OSX_DEPLOYMENT_TARGET})
endif()

set(${LOCAL_PROJECT_NAME}_CLI_RUNTIME_DESTINATION  bin)
set(${LOCAL_PROJECT_NAME}_CLI_LIBRARY_DESTINATION  lib)
set(${LOCAL_PROJECT_NAME}_CLI_ARCHIVE_DESTINATION  lib)
if( RodentThickness_BUILD_SLICER_EXTENSION )
  set(${LOCAL_PROJECT_NAME}_CLI_INSTALL_RUNTIME_DESTINATION  ${SlicerExecutionModel_DEFAULT_CLI_INSTALL_RUNTIME_DESTINATION} )
  set(${LOCAL_PROJECT_NAME}_CLI_INSTALL_LIBRARY_DESTINATION  ${SlicerExecutionModel_DEFAULT_CLI_INSTALL_LIBRARY_DESTINATION} )
  set(${LOCAL_PROJECT_NAME}_CLI_INSTALL_ARCHIVE_DESTINATION  ${SlicerExecutionModel_DEFAULT_CLI_INSTALL_ARCHIVE_DESTINATION} )
else()
  set(${LOCAL_PROJECT_NAME}_CLI_INSTALL_RUNTIME_DESTINATION  bin)
  set(${LOCAL_PROJECT_NAME}_CLI_INSTALL_LIBRARY_DESTINATION  lib)
  set(${LOCAL_PROJECT_NAME}_CLI_INSTALL_ARCHIVE_DESTINATION  lib)
endif()
#-----------------------------------------------------------------------------
# Add external project CMake args
#-----------------------------------------------------------------------------
list(APPEND ${CMAKE_PROJECT_NAME}_SUPERBUILD_EP_VARS
  BUILD_EXAMPLES:BOOL
  BUILD_TESTING:BOOL
  ITK_VERSION_MAJOR:STRING
  ITK_DIR:PATH

  ${LOCAL_PROJECT_NAME}_CLI_LIBRARY_DESTINATION:PATH
  ${LOCAL_PROJECT_NAME}_CLI_ARCHIVE_DESTINATION:PATH
  ${LOCAL_PROJECT_NAME}_CLI_RUNTIME_DESTINATION:PATH
  ${LOCAL_PROJECT_NAME}_CLI_INSTALL_LIBRARY_DESTINATION:PATH
  ${LOCAL_PROJECT_NAME}_CLI_INSTALL_ARCHIVE_DESTINATION:PATH
  ${LOCAL_PROJECT_NAME}_CLI_INSTALL_RUNTIME_DESTINATION:PATH

  VTK_DIR:PATH
  GenerateCLP_DIR:PATH
  SlicerExecutionModel_DIR:PATH
  BatchMake_DIR:PATH
  INSTALL_RUNTIME_DESTINATION:STRING
  INSTALL_LIBRARY_DESTINATION:STRING
  INSTALL_ARCHIVE_DESTINATION:STRING
  )

if( RodentThickness_BUILD_SLICER_EXTENSION )
  list(APPEND ${CMAKE_PROJECT_NAME}_SUPERBUILD_EP_VARS
    MIDAS_PACKAGE_API_KEY:STRING
    MIDAS_PACKAGE_EMAIL:STRING
    MIDAS_PACKAGE_URL:STRING
    Slicer_DIR:PATH
    EXTENSION_SUPERBUILD_BINARY_DIR:PATH
    )
endif()

_expand_external_project_vars()
set(COMMON_EXTERNAL_PROJECT_ARGS ${${CMAKE_PROJECT_NAME}_SUPERBUILD_EP_ARGS})

if(verbose)
  message("Inner external project args:")
  foreach(arg ${${CMAKE_PROJECT_NAME}_SUPERBUILD_EP_ARGS})
    message("  ${arg}")
  endforeach()
endif()

string(REPLACE ";" "^" ${CMAKE_PROJECT_NAME}_SUPERBUILD_EP_VARNAMES "${${CMAKE_PROJECT_NAME}_SUPERBUILD_EP_VARNAMES}")

if(verbose)
  message("Inner external project argnames:")
  foreach(argname ${${CMAKE_PROJECT_NAME}_SUPERBUILD_EP_VARNAMES})
    message("  ${argname}")
  endforeach()
endif()