libcxx/test/CMakeLists.txt

   1 add_subdirectory(tools)
   2
   3 # By default, libcxx and libcxxabi share a library directory.
   4 if (NOT LIBCXX_CXX_ABI_LIBRARY_PATH)
   5   set(LIBCXX_CXX_ABI_LIBRARY_PATH "${LIBCXX_LIBRARY_DIR}" CACHE PATH
   6       "The path to libc++abi library.")
   7 endif()
   8
   9 set(LIBCXX_EXECUTOR "\\\"${Python3_EXECUTABLE}\\\" ${CMAKE_CURRENT_LIST_DIR}/../utils/run.py" CACHE STRING
  10     "Executor to use when running tests.")
  11
  12 set(AUTO_GEN_COMMENT "## Autogenerated by libcxx configuration.\n# Do not edit!")
  13 set(SERIALIZED_LIT_PARAMS "# Lit parameters serialized here for llvm-lit to pick them up\n")
  14
  15 macro(serialize_lit_param param value)
  16   string(APPEND SERIALIZED_LIT_PARAMS "config.${param} = ${value}\n")
  17 endmacro()
  18
  19 if (NOT LIBCXX_ENABLE_EXCEPTIONS)
  20   serialize_lit_param(enable_exceptions False)
  21 endif()
  22
  23 if (NOT LIBCXX_ENABLE_RTTI)
  24   serialize_lit_param(enable_rtti False)
  25 endif()
  26
  27 if (LIBCXX_ENABLE_ASSERTIONS)
  28   serialize_lit_param(enable_assertions True)
  29 endif()
  30
  31 if (CMAKE_CXX_COMPILER_TARGET)
  32   serialize_lit_param(target_triple "\"${CMAKE_CXX_COMPILER_TARGET}\"")
  33 else()
  34   serialize_lit_param(target_triple "\"${LLVM_DEFAULT_TARGET_TRIPLE}\"")
  35 endif()
  36
  37 if (LLVM_USE_SANITIZER)
  38   serialize_lit_param(use_sanitizer "\"${LLVM_USE_SANITIZER}\"")
  39 endif()
  40
  41 foreach(param IN LISTS LIBCXX_TEST_PARAMS)
  42   string(REGEX REPLACE "(.+)=(.+)" "\\1" name "${param}")
  43   string(REGEX REPLACE "(.+)=(.+)" "\\2" value "${param}")
  44   serialize_lit_param("${name}" "\"${value}\"")
  45 endforeach()
  46
  47 if (NOT DEFINED LIBCXX_TEST_DEPS)
  48   message(FATAL_ERROR "Expected LIBCXX_TEST_DEPS to be defined")
  49 endif()
  50
  51 if (LIBCXX_INCLUDE_TESTS)
  52   include(AddLLVM) # for configure_lit_site_cfg and add_lit_testsuite
  53
  54   configure_file("${CMAKE_CURRENT_SOURCE_DIR}/configs/cmake-bridge.cfg.in"
  55                  "${CMAKE_CURRENT_BINARY_DIR}/cmake-bridge.cfg"
  56                  @ONLY)
  57
  58   configure_lit_site_cfg(
  59     "${LIBCXX_TEST_CONFIG}"
  60     ${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg
  61     MAIN_CONFIG "${CMAKE_CURRENT_SOURCE_DIR}/lit.cfg.py")
  62
  63   add_custom_target(cxx-test-depends
  64     DEPENDS cxx ${LIBCXX_TEST_DEPS}
  65     COMMENT "Builds dependencies required to run the test suite.")
  66
  67   add_lit_testsuite(check-cxx
  68     "Running libcxx tests"
  69     ${CMAKE_CURRENT_BINARY_DIR}
  70     DEPENDS cxx-test-depends)
  71
  72   if(LIBCXX_ENABLE_STD_MODULES)
  73     # Generates the modules used in the test.
  74     # Note the test will regenerate this with the proper setting
  75     # - the right DCMAKE_CXX_STANDARD
  76     # - the right test compilation flags
  77     # Since modules depend on these flags there currently is no way to
  78     # avoid generating these for the tests. The advantage of the
  79     # pre generation is that less build information needs to be shared
  80     # in the bridge.
  81     add_custom_command(
  82         OUTPUT "${CMAKE_BINARY_DIR}/test/__config_module__/CMakeCache.txt"
  83         COMMAND
  84         ${CMAKE_COMMAND}
  85             "-G${CMAKE_GENERATOR}"
  86             "-DCMAKE_MAKE_PROGRAM=${CMAKE_MAKE_PROGRAM}"
  87             "-B${CMAKE_BINARY_DIR}/test/__config_module__"
  88             "-H${LIBCXX_GENERATED_MODULE_DIR}"
  89             "-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}"
  90             "-DCMAKE_CXX_STANDARD=23"
  91             "-DCMAKE_EXPORT_COMPILE_COMMANDS=ON"
  92             )
  93   add_custom_target(generate-test-module-std
  94       DEPENDS "${CMAKE_BINARY_DIR}/test/__config_module__/CMakeCache.txt"
  95       COMMENT "Builds generic module std.")
  96   endif()
  97 endif()
  98
  99 if (LIBCXX_GENERATE_COVERAGE)
 100   include(CodeCoverage)
 101   set(output_dir "${CMAKE_CURRENT_BINARY_DIR}/coverage")
 102   set(capture_dirs
 103       "${LIBCXX_LIB_CMAKEFILES_DIR}/cxx_objects.dir/"
 104       "${LIBCXX_LIB_CMAKEFILES_DIR}/cxx.dir/"
 105       "${LIBCXX_LIB_CMAKEFILES_DIR}/cxx_experimental.dir/"
 106       "${CMAKE_CURRENT_BINARY_DIR}")
 107   set(extract_dirs "${LIBCXX_SOURCE_DIR}/include;${LIBCXX_SOURCE_DIR}/src")
 108   setup_lcov_test_target_coverage("cxx" "${output_dir}" "${capture_dirs}" "${extract_dirs}")
 109 endif()
 110
 111 if (LIBCXX_CONFIGURE_IDE)
 112   # Create dummy targets for each of the tests in the test suite, this allows
 113   # IDE's such as CLion to correctly highlight the tests because it knows
 114   # roughly what include paths/compile flags/macro definitions are needed.
 115   include_directories(support)
 116   file(GLOB_RECURSE LIBCXX_TESTS ${CMAKE_CURRENT_SOURCE_DIR}/*.pass.cpp)
 117   file(GLOB LIBCXX_TEST_HEADERS ${CMAKE_CURRENT_SOURCE_DIR}/support/*)
 118   file(GLOB_RECURSE LIBCXX_HEADERS ${CMAKE_CURRENT_SOURCE_DIR}/../include/*)
 119   add_executable(libcxx_test_objects EXCLUDE_FROM_ALL
 120           ${LIBCXX_TESTS} ${LIBCXX_TEST_HEADERS} ${LIBCXX_HEADERS})
 121   add_dependencies(libcxx_test_objects cxx)
 122
 123   split_list(LIBCXX_COMPILE_FLAGS)
 124   split_list(LIBCXX_LINK_FLAGS)
 125
 126   set_target_properties(libcxx_test_objects
 127           PROPERTIES
 128             COMPILE_FLAGS "${LIBCXX_COMPILE_FLAGS}"
 129             LINK_FLAGS "${LIBCXX_LINK_FLAGS}"
 130             EXCLUDE_FROM_ALL ON
 131   )
 132 endif()