1########################################################################
2# CMake build script for Google Mock.
3#
4# To run the tests for Google Mock 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
8option(gmock_build_tests "Build all of Google Mock's own tests." OFF)
9
10# A directory to find Google Test sources.
11if (EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/gtest/CMakeLists.txt")
12  set(gtest_dir gtest)
13else()
14  set(gtest_dir ../googletest)
15endif()
16
17# Defines pre_project_set_up_hermetic_build() and set_up_hermetic_build().
18include("${gtest_dir}/cmake/hermetic_build.cmake" OPTIONAL)
19
20if (COMMAND pre_project_set_up_hermetic_build)
21  # Google Test also calls hermetic setup functions from add_subdirectory,
22  # although its changes will not affect things at the current scope.
23  pre_project_set_up_hermetic_build()
24endif()
25
26########################################################################
27#
28# Project-wide settings
29
30# Name of the project.
31#
32# CMake files in this project can refer to the root source directory
33# as ${gmock_SOURCE_DIR} and to the root binary directory as
34# ${gmock_BINARY_DIR}.
35# Language "C" is required for find_package(Threads).
36if (CMAKE_VERSION VERSION_LESS 3.0)
37  project(gmock CXX C)
38else()
39  cmake_policy(SET CMP0048 NEW)
40  project(gmock VERSION ${GOOGLETEST_VERSION} LANGUAGES CXX C)
41endif()
42cmake_minimum_required(VERSION 2.6.4)
43
44if (COMMAND set_up_hermetic_build)
45  set_up_hermetic_build()
46endif()
47
48# Instructs CMake to process Google Test's CMakeLists.txt and add its
49# targets to the current scope.  We are placing Google Test's binary
50# directory in a subdirectory of our own as VC compilation may break
51# if they are the same (the default).
52add_subdirectory("${gtest_dir}" "${gmock_BINARY_DIR}/gtest")
53
54
55# These commands only run if this is the main project
56if(CMAKE_PROJECT_NAME STREQUAL "gmock" OR CMAKE_PROJECT_NAME STREQUAL "googletest-distribution")
57  # BUILD_SHARED_LIBS is a standard CMake variable, but we declare it here to
58  # make it prominent in the GUI.
59  option(BUILD_SHARED_LIBS "Build shared libraries (DLLs)." OFF)
60else()
61  mark_as_advanced(gmock_build_tests)
62endif()
63
64# Although Google Test's CMakeLists.txt calls this function, the
65# changes there don't affect the current scope.  Therefore we have to
66# call it again here.
67config_compiler_and_linker()  # from ${gtest_dir}/cmake/internal_utils.cmake
68
69# Adds Google Mock's and Google Test's header directories to the search path.
70set(gmock_build_include_dirs
71  "${gmock_SOURCE_DIR}/include"
72  "${gmock_SOURCE_DIR}"
73  "${gtest_SOURCE_DIR}/include"
74  # This directory is needed to build directly from Google Test sources.
75  "${gtest_SOURCE_DIR}")
76include_directories(${gmock_build_include_dirs})
77
78# Summary of tuple support for Microsoft Visual Studio:
79# Compiler    version(MS)  version(cmake)  Support
80# ----------  -----------  --------------  -----------------------------
81# <= VS 2010  <= 10        <= 1600         Use Google Tests's own tuple.
82# VS 2012     11           1700            std::tr1::tuple + _VARIADIC_MAX=10
83# VS 2013     12           1800            std::tr1::tuple
84# VS 2015     14           1900            std::tuple
85# VS 2017     15           >= 1910         std::tuple
86if (MSVC AND MSVC_VERSION EQUAL 1700)
87  add_definitions(/D _VARIADIC_MAX=10)
88endif()
89
90########################################################################
91#
92# Defines the gmock & gmock_main libraries.  User tests should link
93# with one of them.
94
95# Google Mock libraries.  We build them using more strict warnings than what
96# are used for other targets, to ensure that Google Mock can be compiled by
97# a user aggressive about warnings.
98if (MSVC)
99  cxx_library(gmock
100              "${cxx_strict}"
101              "${gtest_dir}/src/gtest-all.cc"
102              src/gmock-all.cc)
103
104  cxx_library(gmock_main
105              "${cxx_strict}"
106              "${gtest_dir}/src/gtest-all.cc"
107              src/gmock-all.cc
108              src/gmock_main.cc)
109else()
110  cxx_library(gmock "${cxx_strict}" src/gmock-all.cc)
111  target_link_libraries(gmock PUBLIC gtest)
112  cxx_library(gmock_main "${cxx_strict}" src/gmock_main.cc)
113  target_link_libraries(gmock_main PUBLIC gmock)
114endif()
115# If the CMake version supports it, attach header directory information
116# to the targets for when we are part of a parent build (ie being pulled
117# in via add_subdirectory() rather than being a standalone build).
118if (DEFINED CMAKE_VERSION AND NOT "${CMAKE_VERSION}" VERSION_LESS "2.8.11")
119  target_include_directories(gmock SYSTEM INTERFACE
120    "$<BUILD_INTERFACE:${gmock_build_include_dirs}>"
121    "$<INSTALL_INTERFACE:$<INSTALL_PREFIX>/${CMAKE_INSTALL_INCLUDEDIR}>")
122  target_include_directories(gmock_main SYSTEM INTERFACE
123    "$<BUILD_INTERFACE:${gmock_build_include_dirs}>"
124    "$<INSTALL_INTERFACE:$<INSTALL_PREFIX>/${CMAKE_INSTALL_INCLUDEDIR}>")
125endif()
126
127########################################################################
128#
129# Install rules
130install_project(gmock gmock_main)
131
132########################################################################
133#
134# Google Mock's own tests.
135#
136# You can skip this section if you aren't interested in testing
137# Google Mock itself.
138#
139# The tests are not built by default.  To build them, set the
140# gmock_build_tests option to ON.  You can do it by running ccmake
141# or specifying the -Dgmock_build_tests=ON flag when running cmake.
142
143if (gmock_build_tests)
144  # This must be set in the root directory for the tests to be run by
145  # 'make test' or ctest.
146  enable_testing()
147
148  ############################################################
149  # C++ tests built with standard compiler flags.
150
151  cxx_test(gmock-actions_test gmock_main)
152  cxx_test(gmock-cardinalities_test gmock_main)
153  cxx_test(gmock_ex_test gmock_main)
154  cxx_test(gmock-generated-actions_test gmock_main)
155  cxx_test(gmock-generated-function-mockers_test gmock_main)
156  cxx_test(gmock-generated-internal-utils_test gmock_main)
157  cxx_test(gmock-generated-matchers_test gmock_main)
158  cxx_test(gmock-internal-utils_test gmock_main)
159  cxx_test(gmock-matchers_test gmock_main)
160  cxx_test(gmock-more-actions_test gmock_main)
161  cxx_test(gmock-nice-strict_test gmock_main)
162  cxx_test(gmock-port_test gmock_main)
163  cxx_test(gmock-spec-builders_test gmock_main)
164  cxx_test(gmock_link_test gmock_main test/gmock_link2_test.cc)
165  cxx_test(gmock_test gmock_main)
166
167  if (DEFINED GTEST_HAS_PTHREAD)
168    cxx_test(gmock_stress_test gmock)
169  endif()
170
171  # gmock_all_test is commented to save time building and running tests.
172  # Uncomment if necessary.
173  # cxx_test(gmock_all_test gmock_main)
174
175  ############################################################
176  # C++ tests built with non-standard compiler flags.
177
178  if (MSVC)
179    cxx_library(gmock_main_no_exception "${cxx_no_exception}"
180      "${gtest_dir}/src/gtest-all.cc" src/gmock-all.cc src/gmock_main.cc)
181
182    cxx_library(gmock_main_no_rtti "${cxx_no_rtti}"
183      "${gtest_dir}/src/gtest-all.cc" src/gmock-all.cc src/gmock_main.cc)
184
185    if (MSVC_VERSION LESS 1600)  # 1600 is Visual Studio 2010.
186      # Visual Studio 2010, 2012, and 2013 define symbols in std::tr1 that
187      # conflict with our own definitions. Therefore using our own tuple does not
188      # work on those compilers.
189      cxx_library(gmock_main_use_own_tuple "${cxx_use_own_tuple}"
190        "${gtest_dir}/src/gtest-all.cc" src/gmock-all.cc src/gmock_main.cc)
191
192      cxx_test_with_flags(gmock_use_own_tuple_test "${cxx_use_own_tuple}"
193        gmock_main_use_own_tuple test/gmock-spec-builders_test.cc)
194    endif()
195  else()
196    cxx_library(gmock_main_no_exception "${cxx_no_exception}" src/gmock_main.cc)
197    target_link_libraries(gmock_main_no_exception PUBLIC gmock)
198
199    cxx_library(gmock_main_no_rtti "${cxx_no_rtti}" src/gmock_main.cc)
200    target_link_libraries(gmock_main_no_rtti PUBLIC gmock)
201
202    cxx_library(gmock_main_use_own_tuple "${cxx_use_own_tuple}" src/gmock_main.cc)
203    target_link_libraries(gmock_main_use_own_tuple PUBLIC gmock)
204  endif()
205  cxx_test_with_flags(gmock-more-actions_no_exception_test "${cxx_no_exception}"
206    gmock_main_no_exception test/gmock-more-actions_test.cc)
207
208  cxx_test_with_flags(gmock_no_rtti_test "${cxx_no_rtti}"
209    gmock_main_no_rtti test/gmock-spec-builders_test.cc)
210
211  cxx_shared_library(shared_gmock_main "${cxx_default}"
212    "${gtest_dir}/src/gtest-all.cc" src/gmock-all.cc src/gmock_main.cc)
213
214  # Tests that a binary can be built with Google Mock as a shared library.  On
215  # some system configurations, it may not possible to run the binary without
216  # knowing more details about the system configurations. We do not try to run
217  # this binary. To get a more robust shared library coverage, configure with
218  # -DBUILD_SHARED_LIBS=ON.
219  cxx_executable_with_flags(shared_gmock_test_ "${cxx_default}"
220    shared_gmock_main test/gmock-spec-builders_test.cc)
221  set_target_properties(shared_gmock_test_
222    PROPERTIES
223    COMPILE_DEFINITIONS "GTEST_LINKED_AS_SHARED_LIBRARY=1")
224
225  ############################################################
226  # Python tests.
227
228  cxx_executable(gmock_leak_test_ test gmock_main)
229  py_test(gmock_leak_test)
230
231  cxx_executable(gmock_output_test_ test gmock)
232  py_test(gmock_output_test)
233endif()
234