include(AddLLVM) # for add_lit_testsuite
include(HandleLitArguments)
macro(pythonize_bool var)
  if (${var})
    set(${var} True)
  else()
    set(${var} False)
  endif()
endmacro()

set(LIBUNWIND_TESTING_INSTALL_PREFIX "${LIBUNWIND_BINARY_DIR}/test-suite-install")
add_custom_target(libunwind-install-unwind-for-testing
  DEPENDS unwind-headers
          unwind
  COMMAND ${CMAKE_COMMAND} -E make_directory "${LIBUNWIND_TESTING_INSTALL_PREFIX}"
  COMMAND "${CMAKE_COMMAND}"
          -DCMAKE_INSTALL_COMPONENT=unwind-headers
          -DCMAKE_INSTALL_PREFIX="${LIBUNWIND_TESTING_INSTALL_PREFIX}"
          -P "${CMAKE_BINARY_DIR}/cmake_install.cmake"
  COMMAND "${CMAKE_COMMAND}"
          -DCMAKE_INSTALL_COMPONENT=unwind
          -DCMAKE_INSTALL_PREFIX="${LIBUNWIND_TESTING_INSTALL_PREFIX}"
          -P "${CMAKE_BINARY_DIR}/cmake_install.cmake")

pythonize_bool(LIBUNWIND_ENABLE_CET)
pythonize_bool(LIBUNWIND_ENABLE_GCS)
pythonize_bool(LIBUNWIND_ENABLE_THREADS)
pythonize_bool(LIBUNWIND_USES_ARM_EHABI)

set(AUTO_GEN_COMMENT "## Autogenerated by libunwind configuration.\n# Do not edit!")
set(SERIALIZED_LIT_PARAMS "# Lit parameters serialized here for llvm-lit to pick them up\n")

serialize_lit_string_param(SERIALIZED_LIT_PARAMS compiler "${CMAKE_CXX_COMPILER}")

if (LIBUNWIND_EXECUTOR)
  message(DEPRECATION "LIBUNWIND_EXECUTOR is deprecated, please add executor=... to LIBUNWIND_TEST_PARAMS")
  serialize_lit_string_param(SERIALIZED_LIT_PARAMS executor "${LIBUNWIND_EXECUTOR}")
endif()

serialize_lit_param(SERIALIZED_LIT_PARAMS enable_experimental False)

if (LLVM_USE_SANITIZER)
  serialize_lit_string_param(SERIALIZED_LIT_PARAMS use_sanitizer "${LLVM_USE_SANITIZER}")
endif()

if (CMAKE_CXX_COMPILER_TARGET)
  serialize_lit_string_param(SERIALIZED_LIT_PARAMS target_triple "${CMAKE_CXX_COMPILER_TARGET}")
else()
  serialize_lit_string_param(SERIALIZED_LIT_PARAMS target_triple "${LLVM_DEFAULT_TARGET_TRIPLE}")
endif()

serialize_lit_params_list(SERIALIZED_LIT_PARAMS LIBUNWIND_TEST_PARAMS)

configure_file("${CMAKE_CURRENT_SOURCE_DIR}/configs/cmake-bridge.cfg.in"
               "${CMAKE_CURRENT_BINARY_DIR}/cmake-bridge.cfg"
               @ONLY)

configure_lit_site_cfg(
  "${LIBUNWIND_TEST_CONFIG}"
  ${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg
  MAIN_CONFIG "${CMAKE_CURRENT_SOURCE_DIR}/lit.cfg.py")

add_lit_testsuite(check-unwind "Running libunwind tests"
  ${CMAKE_CURRENT_BINARY_DIR}
  DEPENDS libunwind-install-unwind-for-testing)