1########################################################################
2# Note: CMake support is community-based. The maintainers do not use CMake
3# internally.
4#
5# CMake build script for Google Mock.
6#
7# To run the tests for Google Mock 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
11option(gmock_build_tests "Build all of Google Mock's own tests." OFF)
12
13# A directory to find Google Test sources.
14if (EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/gtest/CMakeLists.txt")
15  set(gtest_dir gtest)
16else()
17  set(gtest_dir ../googletest)
18endif()
19
20# Defines pre_project_set_up_hermetic_build() and set_up_hermetic_build().
21include("${gtest_dir}/cmake/hermetic_build.cmake" OPTIONAL)
22
23if (COMMAND pre_project_set_up_hermetic_build)
24  # Google Test also calls hermetic setup functions from add_subdirectory,
25  # although its changes will not affect things at the current scope.
26  pre_project_set_up_hermetic_build()
27endif()
28
29########################################################################
30#
31# Project-wide settings
32
33# Name of the project.
34#
35# CMake files in this project can refer to the root source directory
36# as ${gmock_SOURCE_DIR} and to the root binary directory as
37# ${gmock_BINARY_DIR}.
38# Language "C" is required for find_package(Threads).
39cmake_minimum_required(VERSION 3.13)
40project(gmock VERSION ${GOOGLETEST_VERSION} LANGUAGES CXX C)
41
42if (COMMAND set_up_hermetic_build)
43  set_up_hermetic_build()
44endif()
45
46# Instructs CMake to process Google Test's CMakeLists.txt and add its
47# targets to the current scope.  We are placing Google Test's binary
48# directory in a subdirectory of our own as VC compilation may break
49# if they are the same (the default).
50add_subdirectory("${gtest_dir}" "${gmock_BINARY_DIR}/${gtest_dir}")
51
52
53# These commands only run if this is the main project
54if(CMAKE_PROJECT_NAME STREQUAL "gmock" OR CMAKE_PROJECT_NAME STREQUAL "googletest-distribution")
55  # BUILD_SHARED_LIBS is a standard CMake variable, but we declare it here to
56  # make it prominent in the GUI.
57  option(BUILD_SHARED_LIBS "Build shared libraries (DLLs)." OFF)
58else()
59  mark_as_advanced(gmock_build_tests)
60endif()
61
62# Although Google Test's CMakeLists.txt calls this function, the
63# changes there don't affect the current scope.  Therefore we have to
64# call it again here.
65config_compiler_and_linker()  # from ${gtest_dir}/cmake/internal_utils.cmake
66
67# Adds Google Mock's and Google Test's header directories to the search path.
68set(gmock_build_include_dirs
69  "${gmock_SOURCE_DIR}/include"
70  "${gmock_SOURCE_DIR}"
71  "${gtest_SOURCE_DIR}/include"
72  # This directory is needed to build directly from Google Test sources.
73  "${gtest_SOURCE_DIR}")
74include_directories(${gmock_build_include_dirs})
75
76########################################################################
77#
78# Defines the gmock & gmock_main libraries.  User tests should link
79# with one of them.
80
81# Google Mock libraries.  We build them using more strict warnings than what
82# are used for other targets, to ensure that Google Mock can be compiled by
83# a user aggressive about warnings.
84if (MSVC)
85  cxx_library(gmock
86              "${cxx_strict}"
87              "${gtest_dir}/src/gtest-all.cc"
88              src/gmock-all.cc)
89
90  cxx_library(gmock_main
91              "${cxx_strict}"
92              "${gtest_dir}/src/gtest-all.cc"
93              src/gmock-all.cc
94              src/gmock_main.cc)
95else()
96  cxx_library(gmock "${cxx_strict}" src/gmock-all.cc)
97  target_link_libraries(gmock PUBLIC gtest)
98  set_target_properties(gmock PROPERTIES VERSION ${GOOGLETEST_VERSION})
99  cxx_library(gmock_main "${cxx_strict}" src/gmock_main.cc)
100  target_link_libraries(gmock_main PUBLIC gmock)
101  set_target_properties(gmock_main PROPERTIES VERSION ${GOOGLETEST_VERSION})
102endif()
103
104string(REPLACE ";" "$<SEMICOLON>" dirs "${gmock_build_include_dirs}")
105target_include_directories(gmock SYSTEM INTERFACE
106  "$<BUILD_INTERFACE:${dirs}>"
107  "$<INSTALL_INTERFACE:$<INSTALL_PREFIX>/${CMAKE_INSTALL_INCLUDEDIR}>")
108target_include_directories(gmock_main SYSTEM INTERFACE
109  "$<BUILD_INTERFACE:${dirs}>"
110  "$<INSTALL_INTERFACE:$<INSTALL_PREFIX>/${CMAKE_INSTALL_INCLUDEDIR}>")
111
112########################################################################
113#
114# Install rules
115install_project(gmock gmock_main)
116
117########################################################################
118#
119# Google Mock's own tests.
120#
121# You can skip this section if you aren't interested in testing
122# Google Mock itself.
123#
124# The tests are not built by default.  To build them, set the
125# gmock_build_tests option to ON.  You can do it by running ccmake
126# or specifying the -Dgmock_build_tests=ON flag when running cmake.
127
128if (gmock_build_tests)
129  # This must be set in the root directory for the tests to be run by
130  # 'make test' or ctest.
131  enable_testing()
132
133  if (MINGW OR CYGWIN)
134    add_compile_options("-Wa,-mbig-obj")
135  endif()
136
137  ############################################################
138  # C++ tests built with standard compiler flags.
139
140  cxx_test(gmock-actions_test gmock_main)
141  cxx_test(gmock-cardinalities_test gmock_main)
142  cxx_test(gmock_ex_test gmock_main)
143  cxx_test(gmock-function-mocker_test gmock_main)
144  cxx_test(gmock-internal-utils_test gmock_main)
145  cxx_test(gmock-matchers-arithmetic_test gmock_main)
146  cxx_test(gmock-matchers-comparisons_test gmock_main)
147  cxx_test(gmock-matchers-containers_test gmock_main)
148  cxx_test(gmock-matchers-misc_test gmock_main)
149  cxx_test(gmock-more-actions_test gmock_main)
150  cxx_test(gmock-nice-strict_test gmock_main)
151  cxx_test(gmock-port_test gmock_main)
152  cxx_test(gmock-spec-builders_test gmock_main)
153  cxx_test(gmock_link_test gmock_main test/gmock_link2_test.cc)
154  cxx_test(gmock_test gmock_main)
155
156  if (DEFINED GTEST_HAS_PTHREAD)
157    cxx_test(gmock_stress_test gmock)
158  endif()
159
160  # gmock_all_test is commented to save time building and running tests.
161  # Uncomment if necessary.
162  # cxx_test(gmock_all_test gmock_main)
163
164  ############################################################
165  # C++ tests built with non-standard compiler flags.
166
167  if (MSVC)
168    cxx_library(gmock_main_no_exception "${cxx_no_exception}"
169      "${gtest_dir}/src/gtest-all.cc" src/gmock-all.cc src/gmock_main.cc)
170
171    cxx_library(gmock_main_no_rtti "${cxx_no_rtti}"
172      "${gtest_dir}/src/gtest-all.cc" src/gmock-all.cc src/gmock_main.cc)
173
174  else()
175    cxx_library(gmock_main_no_exception "${cxx_no_exception}" src/gmock_main.cc)
176    target_link_libraries(gmock_main_no_exception PUBLIC gmock)
177
178    cxx_library(gmock_main_no_rtti "${cxx_no_rtti}" src/gmock_main.cc)
179    target_link_libraries(gmock_main_no_rtti PUBLIC gmock)
180  endif()
181  cxx_test_with_flags(gmock-more-actions_no_exception_test "${cxx_no_exception}"
182    gmock_main_no_exception test/gmock-more-actions_test.cc)
183
184  cxx_test_with_flags(gmock_no_rtti_test "${cxx_no_rtti}"
185    gmock_main_no_rtti test/gmock-spec-builders_test.cc)
186
187  cxx_shared_library(shared_gmock_main "${cxx_default}"
188    "${gtest_dir}/src/gtest-all.cc" src/gmock-all.cc src/gmock_main.cc)
189
190  # Tests that a binary can be built with Google Mock as a shared library.  On
191  # some system configurations, it may not possible to run the binary without
192  # knowing more details about the system configurations. We do not try to run
193  # this binary. To get a more robust shared library coverage, configure with
194  # -DBUILD_SHARED_LIBS=ON.
195  cxx_executable_with_flags(shared_gmock_test_ "${cxx_default}"
196    shared_gmock_main test/gmock-spec-builders_test.cc)
197  set_target_properties(shared_gmock_test_
198    PROPERTIES
199    COMPILE_DEFINITIONS "GTEST_LINKED_AS_SHARED_LIBRARY=1")
200
201  ############################################################
202  # Python tests.
203
204  cxx_executable(gmock_leak_test_ test gmock_main)
205  py_test(gmock_leak_test)
206
207  cxx_executable(gmock_output_test_ test gmock)
208  py_test(gmock_output_test)
209endif()
210