1########################################################################
2# CMake build script for Google Test.
3#
4# To run the tests for Google Test itself on Linux, use 'make test' or
5# ctest.  You can select which tests to run using 'ctest -R regex'.
6# For more options, run 'ctest --help'.
7
8# When other libraries are using a shared version of runtime libraries,
9# Google Test also has to use one.
10option(
11  gtest_force_shared_crt
12  "Use shared (DLL) run-time lib even when Google Test is built as static lib."
13  OFF)
14
15option(gtest_build_tests "Build all of gtest's own tests." OFF)
16
17option(gtest_build_samples "Build gtest's sample programs." OFF)
18
19option(gtest_disable_pthreads "Disable uses of pthreads in gtest." OFF)
20
21option(
22  gtest_hide_internal_symbols
23  "Build gtest with internal symbols hidden in shared libraries."
24  OFF)
25
26# Defines pre_project_set_up_hermetic_build() and set_up_hermetic_build().
27include(cmake/hermetic_build.cmake OPTIONAL)
28
29if (COMMAND pre_project_set_up_hermetic_build)
30  pre_project_set_up_hermetic_build()
31endif()
32
33########################################################################
34#
35# Project-wide settings
36
37# Name of the project.
38#
39# CMake files in this project can refer to the root source directory
40# as ${gtest_SOURCE_DIR} and to the root binary directory as
41# ${gtest_BINARY_DIR}.
42# Language "C" is required for find_package(Threads).
43if (CMAKE_VERSION VERSION_LESS 3.0)
44  project(gtest CXX C)
45else()
46  cmake_policy(SET CMP0048 NEW)
47  project(gtest VERSION ${GOOGLETEST_VERSION} LANGUAGES CXX C)
48endif()
49cmake_minimum_required(VERSION 2.6.4)
50
51if (POLICY CMP0063) # Visibility
52  cmake_policy(SET CMP0063 NEW)
53endif (POLICY CMP0063)
54
55if (COMMAND set_up_hermetic_build)
56  set_up_hermetic_build()
57endif()
58
59# These commands only run if this is the main project
60if(CMAKE_PROJECT_NAME STREQUAL "gtest" OR CMAKE_PROJECT_NAME STREQUAL "googletest-distribution")
61
62  # BUILD_SHARED_LIBS is a standard CMake variable, but we declare it here to
63  # make it prominent in the GUI.
64  option(BUILD_SHARED_LIBS "Build shared libraries (DLLs)." OFF)
65
66else()
67
68  mark_as_advanced(
69    gtest_force_shared_crt
70    gtest_build_tests
71    gtest_build_samples
72    gtest_disable_pthreads
73    gtest_hide_internal_symbols)
74
75endif()
76
77
78if (gtest_hide_internal_symbols)
79  set(CMAKE_CXX_VISIBILITY_PRESET hidden)
80  set(CMAKE_VISIBILITY_INLINES_HIDDEN 1)
81endif()
82
83# Define helper functions and macros used by Google Test.
84include(cmake/internal_utils.cmake)
85
86config_compiler_and_linker()  # Defined in internal_utils.cmake.
87
88# Create the CMake package file descriptors.
89if (INSTALL_GTEST)
90  include(CMakePackageConfigHelpers)
91  set(cmake_package_name GTest)
92  set(targets_export_name ${cmake_package_name}Targets CACHE INTERNAL "")
93  set(generated_dir "${CMAKE_CURRENT_BINARY_DIR}/generated" CACHE INTERNAL "")
94  set(cmake_files_install_dir "${CMAKE_INSTALL_LIBDIR}/cmake/${cmake_package_name}")
95  set(version_file "${generated_dir}/${cmake_package_name}ConfigVersion.cmake")
96  write_basic_package_version_file(${version_file} COMPATIBILITY AnyNewerVersion)
97  install(EXPORT ${targets_export_name}
98    NAMESPACE ${cmake_package_name}::
99    DESTINATION ${cmake_files_install_dir})
100  set(config_file "${generated_dir}/${cmake_package_name}Config.cmake")
101  configure_package_config_file("${gtest_SOURCE_DIR}/cmake/Config.cmake.in"
102    "${config_file}" INSTALL_DESTINATION ${cmake_files_install_dir})
103  install(FILES ${version_file} ${config_file}
104    DESTINATION ${cmake_files_install_dir})
105endif()
106
107# Where Google Test's .h files can be found.
108set(gtest_build_include_dirs
109  "${gtest_SOURCE_DIR}/include"
110  "${gtest_SOURCE_DIR}")
111include_directories(${gtest_build_include_dirs})
112
113# Summary of tuple support for Microsoft Visual Studio:
114# Compiler    version(MS)  version(cmake)  Support
115# ----------  -----------  --------------  -----------------------------
116# <= VS 2010  <= 10        <= 1600         Use Google Tests's own tuple.
117# VS 2012     11           1700            std::tr1::tuple + _VARIADIC_MAX=10
118# VS 2013     12           1800            std::tr1::tuple
119# VS 2015     14           1900            std::tuple
120# VS 2017     15           >= 1910         std::tuple
121if (MSVC AND MSVC_VERSION EQUAL 1700)
122  add_definitions(/D _VARIADIC_MAX=10)
123endif()
124
125########################################################################
126#
127# Defines the gtest & gtest_main libraries.  User tests should link
128# with one of them.
129
130# Google Test libraries.  We build them using more strict warnings than what
131# are used for other targets, to ensure that gtest can be compiled by a user
132# aggressive about warnings.
133cxx_library(gtest "${cxx_strict}" src/gtest-all.cc)
134cxx_library(gtest_main "${cxx_strict}" src/gtest_main.cc)
135# If the CMake version supports it, attach header directory information
136# to the targets for when we are part of a parent build (ie being pulled
137# in via add_subdirectory() rather than being a standalone build).
138if (DEFINED CMAKE_VERSION AND NOT "${CMAKE_VERSION}" VERSION_LESS "2.8.11")
139  target_include_directories(gtest SYSTEM INTERFACE
140    "$<BUILD_INTERFACE:${gtest_build_include_dirs}>"
141    "$<INSTALL_INTERFACE:$<INSTALL_PREFIX>/${CMAKE_INSTALL_INCLUDEDIR}>")
142  target_include_directories(gtest_main SYSTEM INTERFACE
143    "$<BUILD_INTERFACE:${gtest_build_include_dirs}>"
144    "$<INSTALL_INTERFACE:$<INSTALL_PREFIX>/${CMAKE_INSTALL_INCLUDEDIR}>")
145endif()
146target_link_libraries(gtest_main PUBLIC gtest)
147
148########################################################################
149#
150# Install rules
151install_project(gtest gtest_main)
152
153########################################################################
154#
155# Samples on how to link user tests with gtest or gtest_main.
156#
157# They are not built by default.  To build them, set the
158# gtest_build_samples option to ON.  You can do it by running ccmake
159# or specifying the -Dgtest_build_samples=ON flag when running cmake.
160
161if (gtest_build_samples)
162  cxx_executable(sample1_unittest samples gtest_main samples/sample1.cc)
163  cxx_executable(sample2_unittest samples gtest_main samples/sample2.cc)
164  cxx_executable(sample3_unittest samples gtest_main)
165  cxx_executable(sample4_unittest samples gtest_main samples/sample4.cc)
166  cxx_executable(sample5_unittest samples gtest_main samples/sample1.cc)
167  cxx_executable(sample6_unittest samples gtest_main)
168  cxx_executable(sample7_unittest samples gtest_main)
169  cxx_executable(sample8_unittest samples gtest_main)
170  cxx_executable(sample9_unittest samples gtest)
171  cxx_executable(sample10_unittest samples gtest)
172endif()
173
174########################################################################
175#
176# Google Test's own tests.
177#
178# You can skip this section if you aren't interested in testing
179# Google Test itself.
180#
181# The tests are not built by default.  To build them, set the
182# gtest_build_tests option to ON.  You can do it by running ccmake
183# or specifying the -Dgtest_build_tests=ON flag when running cmake.
184
185if (gtest_build_tests)
186  # This must be set in the root directory for the tests to be run by
187  # 'make test' or ctest.
188  enable_testing()
189
190  ############################################################
191  # C++ tests built with standard compiler flags.
192
193  cxx_test(googletest-death-test-test gtest_main)
194  cxx_test(gtest_environment_test gtest)
195  cxx_test(googletest-filepath-test gtest_main)
196  cxx_test(googletest-linked-ptr-test gtest_main)
197  cxx_test(googletest-listener-test gtest_main)
198  cxx_test(gtest_main_unittest gtest_main)
199  cxx_test(googletest-message-test gtest_main)
200  cxx_test(gtest_no_test_unittest gtest)
201  cxx_test(googletest-options-test gtest_main)
202  cxx_test(googletest-param-test-test gtest
203    test/googletest-param-test2-test.cc)
204  cxx_test(googletest-port-test gtest_main)
205  cxx_test(gtest_pred_impl_unittest gtest_main)
206  cxx_test(gtest_premature_exit_test gtest
207    test/gtest_premature_exit_test.cc)
208  cxx_test(googletest-printers-test gtest_main)
209  cxx_test(gtest_prod_test gtest_main
210    test/production.cc)
211  cxx_test(gtest_repeat_test gtest)
212  cxx_test(gtest_sole_header_test gtest_main)
213  cxx_test(gtest_stress_test gtest)
214  cxx_test(googletest-test-part-test gtest_main)
215  cxx_test(gtest_throw_on_failure_ex_test gtest)
216  cxx_test(gtest-typed-test_test gtest_main
217    test/gtest-typed-test2_test.cc)
218  cxx_test(gtest_unittest gtest_main)
219  cxx_test(gtest-unittest-api_test gtest)
220  cxx_test(gtest_skip_in_environment_setup_test gtest_main)
221  cxx_test(gtest_skip_test gtest_main)
222
223  ############################################################
224  # C++ tests built with non-standard compiler flags.
225
226  # MSVC 7.1 does not support STL with exceptions disabled.
227  if (NOT MSVC OR MSVC_VERSION GREATER 1310)
228    cxx_library(gtest_no_exception "${cxx_no_exception}"
229      src/gtest-all.cc)
230    cxx_library(gtest_main_no_exception "${cxx_no_exception}"
231      src/gtest-all.cc src/gtest_main.cc)
232  endif()
233  cxx_library(gtest_main_no_rtti "${cxx_no_rtti}"
234    src/gtest-all.cc src/gtest_main.cc)
235
236  cxx_test_with_flags(gtest-death-test_ex_nocatch_test
237    "${cxx_exception} -DGTEST_ENABLE_CATCH_EXCEPTIONS_=0"
238    gtest test/googletest-death-test_ex_test.cc)
239  cxx_test_with_flags(gtest-death-test_ex_catch_test
240    "${cxx_exception} -DGTEST_ENABLE_CATCH_EXCEPTIONS_=1"
241    gtest test/googletest-death-test_ex_test.cc)
242
243  cxx_test_with_flags(gtest_no_rtti_unittest "${cxx_no_rtti}"
244    gtest_main_no_rtti test/gtest_unittest.cc)
245
246  cxx_shared_library(gtest_dll "${cxx_default}"
247    src/gtest-all.cc src/gtest_main.cc)
248
249  cxx_executable_with_flags(gtest_dll_test_ "${cxx_default}"
250    gtest_dll test/gtest_all_test.cc)
251  set_target_properties(gtest_dll_test_
252                        PROPERTIES
253                        COMPILE_DEFINITIONS "GTEST_LINKED_AS_SHARED_LIBRARY=1")
254
255  if (NOT MSVC OR MSVC_VERSION LESS 1600)  # 1600 is Visual Studio 2010.
256    # Visual Studio 2010, 2012, and 2013 define symbols in std::tr1 that
257    # conflict with our own definitions. Therefore using our own tuple does not
258    # work on those compilers.
259    cxx_library(gtest_main_use_own_tuple "${cxx_use_own_tuple}"
260      src/gtest-all.cc src/gtest_main.cc)
261
262    cxx_test_with_flags(googletest-tuple-test "${cxx_use_own_tuple}"
263      gtest_main_use_own_tuple test/googletest-tuple-test.cc)
264
265    cxx_test_with_flags(gtest_use_own_tuple_test "${cxx_use_own_tuple}"
266      gtest_main_use_own_tuple
267      test/googletest-param-test-test.cc test/googletest-param-test2-test.cc)
268  endif()
269
270  ############################################################
271  # Python tests.
272
273  cxx_executable(googletest-break-on-failure-unittest_ test gtest)
274  py_test(googletest-break-on-failure-unittest)
275
276  # Visual Studio .NET 2003 does not support STL with exceptions disabled.
277  if (NOT MSVC OR MSVC_VERSION GREATER 1310)  # 1310 is Visual Studio .NET 2003
278    cxx_executable_with_flags(
279      googletest-catch-exceptions-no-ex-test_
280      "${cxx_no_exception}"
281      gtest_main_no_exception
282      test/googletest-catch-exceptions-test_.cc)
283  endif()
284
285  cxx_executable_with_flags(
286    googletest-catch-exceptions-ex-test_
287    "${cxx_exception}"
288    gtest_main
289    test/googletest-catch-exceptions-test_.cc)
290  py_test(googletest-catch-exceptions-test)
291
292  cxx_executable(googletest-color-test_ test gtest)
293  py_test(googletest-color-test)
294
295  cxx_executable(googletest-env-var-test_ test gtest)
296  py_test(googletest-env-var-test)
297
298  cxx_executable(googletest-filter-unittest_ test gtest)
299  py_test(googletest-filter-unittest)
300
301  cxx_executable(gtest_help_test_ test gtest_main)
302  py_test(gtest_help_test)
303
304  cxx_executable(googletest-list-tests-unittest_ test gtest)
305  py_test(googletest-list-tests-unittest)
306
307  cxx_executable(googletest-output-test_ test gtest)
308  py_test(googletest-output-test --no_stacktrace_support)
309
310  cxx_executable(googletest-shuffle-test_ test gtest)
311  py_test(googletest-shuffle-test)
312
313  # MSVC 7.1 does not support STL with exceptions disabled.
314  if (NOT MSVC OR MSVC_VERSION GREATER 1310)
315    cxx_executable(googletest-throw-on-failure-test_ test gtest_no_exception)
316    set_target_properties(googletest-throw-on-failure-test_
317      PROPERTIES
318      COMPILE_FLAGS "${cxx_no_exception}")
319    py_test(googletest-throw-on-failure-test)
320  endif()
321
322  cxx_executable(googletest-uninitialized-test_ test gtest)
323  py_test(googletest-uninitialized-test)
324
325  cxx_executable(gtest_xml_outfile1_test_ test gtest_main)
326  cxx_executable(gtest_xml_outfile2_test_ test gtest_main)
327  py_test(gtest_xml_outfiles_test)
328  py_test(googletest-json-outfiles-test)
329
330  cxx_executable(gtest_xml_output_unittest_ test gtest)
331  py_test(gtest_xml_output_unittest --no_stacktrace_support)
332  py_test(googletest-json-output-unittest --no_stacktrace_support)
333endif()
334