1######################################################################## 2# Note: CMake support is community-based. The maintainers do not use CMake 3# internally. 4# 5# CMake build script for Google Test. 6# 7# To run the tests for Google Test itself on Linux, use 'make test' or 8# ctest. You can select which tests to run using 'ctest -R regex'. 9# For more options, run 'ctest --help'. 10 11# When other libraries are using a shared version of runtime libraries, 12# Google Test also has to use one. 13option( 14 gtest_force_shared_crt 15 "Use shared (DLL) run-time lib even when Google Test is built as static lib." 16 OFF) 17 18option(gtest_build_tests "Build all of gtest's own tests." OFF) 19 20option(gtest_build_samples "Build gtest's sample programs." OFF) 21 22option(gtest_disable_pthreads "Disable uses of pthreads in gtest." OFF) 23 24option( 25 gtest_hide_internal_symbols 26 "Build gtest with internal symbols hidden in shared libraries." 27 OFF) 28 29# Defines pre_project_set_up_hermetic_build() and set_up_hermetic_build(). 30include(cmake/hermetic_build.cmake OPTIONAL) 31 32if (COMMAND pre_project_set_up_hermetic_build) 33 pre_project_set_up_hermetic_build() 34endif() 35 36######################################################################## 37# 38# Project-wide settings. 39 40# Name of the project. 41# 42# CMake files in this project can refer to the root source directory 43# as ${gtest_SOURCE_DIR} and to the root binary directory as 44# ${gtest_BINARY_DIR}. 45# Language "C" is required for find_package(Threads). 46 47# Project version. 48 49cmake_minimum_required(VERSION 3.13) 50project(gtest VERSION ${GOOGLETEST_VERSION} LANGUAGES CXX C) 51 52if (COMMAND set_up_hermetic_build) 53 set_up_hermetic_build() 54endif() 55 56# These commands only run if this is the main project. 57if(CMAKE_PROJECT_NAME STREQUAL "gtest" OR CMAKE_PROJECT_NAME STREQUAL "googletest-distribution") 58 59 # BUILD_SHARED_LIBS is a standard CMake variable, but we declare it here to 60 # make it prominent in the GUI. 61 option(BUILD_SHARED_LIBS "Build shared libraries (DLLs)." OFF) 62 63else() 64 65 mark_as_advanced( 66 gtest_force_shared_crt 67 gtest_build_tests 68 gtest_build_samples 69 gtest_disable_pthreads 70 gtest_hide_internal_symbols) 71 72endif() 73 74 75if (gtest_hide_internal_symbols) 76 set(CMAKE_CXX_VISIBILITY_PRESET hidden) 77 set(CMAKE_VISIBILITY_INLINES_HIDDEN 1) 78endif() 79 80# Define helper functions and macros used by Google Test. 81include(cmake/internal_utils.cmake) 82 83config_compiler_and_linker() # Defined in internal_utils.cmake. 84 85# Needed to set the namespace for both the export targets and the 86# alias libraries. 87set(cmake_package_name GTest CACHE INTERNAL "") 88 89# Create the CMake package file descriptors. 90if (INSTALL_GTEST) 91 include(CMakePackageConfigHelpers) 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} VERSION ${GOOGLETEST_VERSION} COMPATIBILITY AnyNewerVersion) 97 install(EXPORT ${targets_export_name} 98 COMPONENT "${PROJECT_NAME}" 99 NAMESPACE ${cmake_package_name}:: 100 DESTINATION ${cmake_files_install_dir}) 101 set(config_file "${generated_dir}/${cmake_package_name}Config.cmake") 102 configure_package_config_file("${gtest_SOURCE_DIR}/cmake/Config.cmake.in" 103 "${config_file}" INSTALL_DESTINATION ${cmake_files_install_dir}) 104 install(FILES ${version_file} ${config_file} 105 COMPONENT "${PROJECT_NAME}" 106 DESTINATION ${cmake_files_install_dir}) 107endif() 108 109# Where Google Test's .h files can be found. 110set(gtest_build_include_dirs 111 "${gtest_SOURCE_DIR}/include" 112 "${gtest_SOURCE_DIR}") 113include_directories(${gtest_build_include_dirs}) 114 115######################################################################## 116# 117# Defines the gtest & gtest_main libraries. User tests should link 118# with one of them. 119 120# Google Test libraries. We build them using more strict warnings than what 121# are used for other targets, to ensure that gtest can be compiled by a user 122# aggressive about warnings. 123cxx_library(gtest "${cxx_strict}" src/gtest-all.cc) 124set_target_properties(gtest PROPERTIES VERSION ${GOOGLETEST_VERSION}) 125if(GTEST_HAS_ABSL) 126 target_compile_definitions(gtest PUBLIC GTEST_HAS_ABSL=1) 127 target_link_libraries(gtest PUBLIC 128 absl::failure_signal_handler 129 absl::stacktrace 130 absl::symbolize 131 absl::flags_parse 132 absl::flags_reflection 133 absl::flags_usage 134 absl::strings 135 absl::any 136 absl::optional 137 absl::variant 138 re2::re2 139 ) 140endif() 141cxx_library(gtest_main "${cxx_strict}" src/gtest_main.cc) 142set_target_properties(gtest_main PROPERTIES VERSION ${GOOGLETEST_VERSION}) 143string(REPLACE ";" "$<SEMICOLON>" dirs "${gtest_build_include_dirs}") 144target_include_directories(gtest SYSTEM INTERFACE 145 "$<BUILD_INTERFACE:${dirs}>" 146 "$<INSTALL_INTERFACE:$<INSTALL_PREFIX>/${CMAKE_INSTALL_INCLUDEDIR}>") 147target_include_directories(gtest_main SYSTEM INTERFACE 148 "$<BUILD_INTERFACE:${dirs}>" 149 "$<INSTALL_INTERFACE:$<INSTALL_PREFIX>/${CMAKE_INSTALL_INCLUDEDIR}>") 150if(CMAKE_SYSTEM_NAME MATCHES "QNX" AND CMAKE_SYSTEM_VERSION VERSION_GREATER_EQUAL 7.1) 151 target_link_libraries(gtest PUBLIC regex) 152endif() 153target_link_libraries(gtest_main PUBLIC gtest) 154 155######################################################################## 156# 157# Install rules. 158install_project(gtest gtest_main) 159 160######################################################################## 161# 162# Samples on how to link user tests with gtest or gtest_main. 163# 164# They are not built by default. To build them, set the 165# gtest_build_samples option to ON. You can do it by running ccmake 166# or specifying the -Dgtest_build_samples=ON flag when running cmake. 167 168if (gtest_build_samples) 169 cxx_executable(sample1_unittest samples gtest_main samples/sample1.cc) 170 cxx_executable(sample2_unittest samples gtest_main samples/sample2.cc) 171 cxx_executable(sample3_unittest samples gtest_main) 172 cxx_executable(sample4_unittest samples gtest_main samples/sample4.cc) 173 cxx_executable(sample5_unittest samples gtest_main samples/sample1.cc) 174 cxx_executable(sample6_unittest samples gtest_main) 175 cxx_executable(sample7_unittest samples gtest_main) 176 cxx_executable(sample8_unittest samples gtest_main) 177 cxx_executable(sample9_unittest samples gtest) 178 cxx_executable(sample10_unittest samples gtest) 179endif() 180 181######################################################################## 182# 183# Google Test's own tests. 184# 185# You can skip this section if you aren't interested in testing 186# Google Test itself. 187# 188# The tests are not built by default. To build them, set the 189# gtest_build_tests option to ON. You can do it by running ccmake 190# or specifying the -Dgtest_build_tests=ON flag when running cmake. 191 192if (gtest_build_tests) 193 # This must be set in the root directory for the tests to be run by 194 # 'make test' or ctest. 195 enable_testing() 196 197 ############################################################ 198 # C++ tests built with standard compiler flags. 199 200 cxx_test(googletest-death-test-test gtest_main) 201 cxx_test(gtest_environment_test gtest) 202 cxx_test(googletest-filepath-test gtest_main) 203 cxx_test(googletest-listener-test gtest_main) 204 cxx_test(gtest_main_unittest gtest_main) 205 cxx_test(googletest-message-test gtest_main) 206 cxx_test(gtest_no_test_unittest gtest) 207 cxx_test(googletest-options-test gtest_main) 208 cxx_test(googletest-param-test-test gtest 209 test/googletest-param-test2-test.cc) 210 cxx_test(googletest-port-test gtest_main) 211 cxx_test(gtest_pred_impl_unittest gtest_main) 212 cxx_test(gtest_premature_exit_test gtest 213 test/gtest_premature_exit_test.cc) 214 cxx_test(googletest-printers-test gtest_main) 215 cxx_test(gtest_prod_test gtest_main 216 test/production.cc) 217 cxx_test(gtest_repeat_test gtest) 218 cxx_test(gtest_sole_header_test gtest_main) 219 cxx_test(gtest_stress_test gtest) 220 cxx_test(googletest-test-part-test gtest_main) 221 cxx_test(gtest_throw_on_failure_ex_test gtest) 222 cxx_test(gtest-typed-test_test gtest_main 223 test/gtest-typed-test2_test.cc) 224 cxx_test(gtest_unittest gtest_main) 225 cxx_test(gtest-unittest-api_test gtest) 226 cxx_test(gtest_skip_in_environment_setup_test gtest_main) 227 cxx_test(gtest_skip_test gtest_main) 228 229 ############################################################ 230 # C++ tests built with non-standard compiler flags. 231 232 # MSVC 7.1 does not support STL with exceptions disabled. 233 if (NOT MSVC OR MSVC_VERSION GREATER 1310) 234 cxx_library(gtest_no_exception "${cxx_no_exception}" 235 src/gtest-all.cc) 236 cxx_library(gtest_main_no_exception "${cxx_no_exception}" 237 src/gtest-all.cc src/gtest_main.cc) 238 endif() 239 cxx_library(gtest_main_no_rtti "${cxx_no_rtti}" 240 src/gtest-all.cc src/gtest_main.cc) 241 242 cxx_test_with_flags(gtest-death-test_ex_nocatch_test 243 "${cxx_exception} -DGTEST_ENABLE_CATCH_EXCEPTIONS_=0" 244 gtest test/googletest-death-test_ex_test.cc) 245 cxx_test_with_flags(gtest-death-test_ex_catch_test 246 "${cxx_exception} -DGTEST_ENABLE_CATCH_EXCEPTIONS_=1" 247 gtest test/googletest-death-test_ex_test.cc) 248 249 cxx_test_with_flags(gtest_no_rtti_unittest "${cxx_no_rtti}" 250 gtest_main_no_rtti test/gtest_unittest.cc) 251 252 cxx_shared_library(gtest_dll "${cxx_default}" 253 src/gtest-all.cc src/gtest_main.cc) 254 255 cxx_executable_with_flags(gtest_dll_test_ "${cxx_default}" 256 gtest_dll test/gtest_all_test.cc) 257 set_target_properties(gtest_dll_test_ 258 PROPERTIES 259 COMPILE_DEFINITIONS "GTEST_LINKED_AS_SHARED_LIBRARY=1") 260 261 ############################################################ 262 # Python tests. 263 264 cxx_executable(googletest-break-on-failure-unittest_ test gtest) 265 py_test(googletest-break-on-failure-unittest) 266 267 py_test(gtest_skip_check_output_test) 268 py_test(gtest_skip_environment_check_output_test) 269 270 # Visual Studio .NET 2003 does not support STL with exceptions disabled. 271 if (NOT MSVC OR MSVC_VERSION GREATER 1310) # 1310 is Visual Studio .NET 2003 272 cxx_executable_with_flags( 273 googletest-catch-exceptions-no-ex-test_ 274 "${cxx_no_exception}" 275 gtest_main_no_exception 276 test/googletest-catch-exceptions-test_.cc) 277 endif() 278 279 cxx_executable_with_flags( 280 googletest-catch-exceptions-ex-test_ 281 "${cxx_exception}" 282 gtest_main 283 test/googletest-catch-exceptions-test_.cc) 284 py_test(googletest-catch-exceptions-test) 285 286 cxx_executable(googletest-color-test_ test gtest) 287 py_test(googletest-color-test) 288 289 cxx_executable(googletest-env-var-test_ test gtest) 290 py_test(googletest-env-var-test) 291 292 cxx_executable(googletest-filter-unittest_ test gtest) 293 py_test(googletest-filter-unittest) 294 295 cxx_executable(gtest_help_test_ test gtest_main) 296 py_test(gtest_help_test) 297 298 cxx_executable(googletest-list-tests-unittest_ test gtest) 299 py_test(googletest-list-tests-unittest) 300 301 cxx_executable(googletest-output-test_ test gtest) 302 py_test(googletest-output-test --no_stacktrace_support) 303 304 cxx_executable(googletest-shuffle-test_ test gtest) 305 py_test(googletest-shuffle-test) 306 307 # MSVC 7.1 does not support STL with exceptions disabled. 308 if (NOT MSVC OR MSVC_VERSION GREATER 1310) 309 cxx_executable(googletest-throw-on-failure-test_ test gtest_no_exception) 310 set_target_properties(googletest-throw-on-failure-test_ 311 PROPERTIES 312 COMPILE_FLAGS "${cxx_no_exception}") 313 py_test(googletest-throw-on-failure-test) 314 endif() 315 316 cxx_executable(googletest-uninitialized-test_ test gtest) 317 py_test(googletest-uninitialized-test) 318 319 cxx_executable(gtest_list_output_unittest_ test gtest) 320 py_test(gtest_list_output_unittest) 321 322 cxx_executable(gtest_xml_outfile1_test_ test gtest_main) 323 cxx_executable(gtest_xml_outfile2_test_ test gtest_main) 324 py_test(gtest_xml_outfiles_test) 325 py_test(googletest-json-outfiles-test) 326 327 cxx_executable(gtest_xml_output_unittest_ test gtest) 328 py_test(gtest_xml_output_unittest --no_stacktrace_support) 329 py_test(googletest-json-output-unittest --no_stacktrace_support) 330endif() 331