file(GLOB SWIG_INTERFACES interface/*.i)
file(GLOB_RECURSE SWIG_SOURCES *.swig)
set(SWIG_HEADERS
  ${LLDB_SOURCE_DIR}/include/lldb/API/SBDefines.h
  ${LLDB_SOURCE_DIR}/include/lldb/lldb-defines.h
  ${LLDB_SOURCE_DIR}/include/lldb/lldb-enumerations.h
  ${LLDB_SOURCE_DIR}/include/lldb/lldb-forward.h
  ${LLDB_SOURCE_DIR}/include/lldb/lldb-types.h
  ${LLDB_SOURCE_DIR}/include/lldb/lldb-versioning.h
)

if(LLDB_BUILD_FRAMEWORK)
  set(framework_arg --framework --target-platform Darwin)
endif()

find_package(SWIG REQUIRED)
set(SWIG_MIN_VERSION "2.0.0")
if (${SWIG_VERSION} VERSION_LESS ${SWIG_MIN_VERSION})
  message(FATAL_ERROR "LLDB requires swig ${SWIG_MIN_VERSION}, your version is ${SWIG_VERSION}.")
endif()

add_custom_command(
  OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/LLDBWrapPython.cpp
  OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/lldb.py
  DEPENDS ${SWIG_SOURCES}
  DEPENDS ${SWIG_INTERFACES}
  DEPENDS ${SWIG_HEADERS}
  DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/Python/prepare_binding_Python.py
  COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/prepare_bindings.py
      ${framework_arg}
      --srcRoot=${LLDB_SOURCE_DIR}
      --targetDir=${CMAKE_CURRENT_BINARY_DIR}
      --cfgBldDir=${CMAKE_CURRENT_BINARY_DIR}
      --prefix=${CMAKE_BINARY_DIR}
      --swigExecutable=${SWIG_EXECUTABLE}
  VERBATIM
  COMMENT "Python script building LLDB Python wrapper")

add_custom_target(swig_wrapper ALL DEPENDS
  ${CMAKE_CURRENT_BINARY_DIR}/LLDBWrapPython.cpp
  ${CMAKE_CURRENT_BINARY_DIR}/lldb.py
)

if(NOT LLDB_BUILD_FRAMEWORK)
  execute_process(
    COMMAND ${PYTHON_EXECUTABLE}
        -c "import distutils.sysconfig, sys; print(distutils.sysconfig.get_python_lib(True, False, sys.argv[1]))"
        ${CMAKE_BINARY_DIR}
    OUTPUT_VARIABLE SWIG_PYTHON_DIR
    OUTPUT_STRIP_TRAILING_WHITESPACE)
  execute_process(
    COMMAND ${PYTHON_EXECUTABLE}
        -c "import distutils.sysconfig; print(distutils.sysconfig.get_python_lib(True, False, ''))"
    OUTPUT_VARIABLE SWIG_INSTALL_DIR
    OUTPUT_STRIP_TRAILING_WHITESPACE)

  # Install the LLDB python module
  install(DIRECTORY ${SWIG_PYTHON_DIR}/ DESTINATION ${SWIG_INSTALL_DIR})
endif()