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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).
39if (CMAKE_VERSION VERSION_LESS 3.0)
40  project(gmock CXX C)
41else()
42  cmake_policy(SET CMP0048 NEW)
43  project(gmock VERSION ${GOOGLETEST_VERSION} LANGUAGES CXX C)
44endif()
45cmake_minimum_required(VERSION 2.8.12)
46
47if (COMMAND set_up_hermetic_build)
48  set_up_hermetic_build()
49endif()
50
51# Instructs CMake to process Google Test's CMakeLists.txt and add its
52# targets to the current scope.  We are placing Google Test's binary
53# directory in a subdirectory of our own as VC compilation may break
54# if they are the same (the default).
55add_subdirectory("${gtest_dir}" "${gmock_BINARY_DIR}/${gtest_dir}")
56
57
58# These commands only run if this is the main project
59if(CMAKE_PROJECT_NAME STREQUAL "gmock" OR CMAKE_PROJECT_NAME STREQUAL "googletest-distribution")
60  # BUILD_SHARED_LIBS is a standard CMake variable, but we declare it here to
61  # make it prominent in the GUI.
62  option(BUILD_SHARED_LIBS "Build shared libraries (DLLs)." OFF)
63else()
64  mark_as_advanced(gmock_build_tests)
65endif()
66
67# Although Google Test's CMakeLists.txt calls this function, the
68# changes there don't affect the current scope.  Therefore we have to
69# call it again here.
70config_compiler_and_linker()  # from ${gtest_dir}/cmake/internal_utils.cmake
71
72# Adds Google Mock's and Google Test's header directories to the search path.
73set(gmock_build_include_dirs
74  "${gmock_SOURCE_DIR}/include"
75  "${gmock_SOURCE_DIR}"
76  "${gtest_SOURCE_DIR}/include"
77  # This directory is needed to build directly from Google Test sources.
78  "${gtest_SOURCE_DIR}")
79include_directories(${gmock_build_include_dirs})
80
81########################################################################
82#
83# Defines the gmock & gmock_main libraries.  User tests should link
84# with one of them.
85
86# Google Mock libraries.  We build them using more strict warnings than what
87# are used for other targets, to ensure that Google Mock can be compiled by
88# a user aggressive about warnings.
89if (MSVC)
90  cxx_library(gmock
91              "${cxx_strict}"
92              "${gtest_dir}/src/gtest-all.cc"
93              src/gmock-all.cc)
94
95  cxx_library(gmock_main
96              "${cxx_strict}"
97              "${gtest_dir}/src/gtest-all.cc"
98              src/gmock-all.cc
99              src/gmock_main.cc)
100else()
101  cxx_library(gmock "${cxx_strict}" src/gmock-all.cc)
102  target_link_libraries(gmock PUBLIC gtest)
103  set_target_properties(gmock PROPERTIES VERSION ${GOOGLETEST_VERSION})
104  cxx_library(gmock_main "${cxx_strict}" src/gmock_main.cc)
105  target_link_libraries(gmock_main PUBLIC gmock)
106  set_target_properties(gmock_main PROPERTIES VERSION ${GOOGLETEST_VERSION})
107endif()
108# If the CMake version supports it, attach header directory information
109# to the targets for when we are part of a parent build (ie being pulled
110# in via add_subdirectory() rather than being a standalone build).
111if (DEFINED CMAKE_VERSION AND NOT "${CMAKE_VERSION}" VERSION_LESS "2.8.11")
112  target_include_directories(gmock SYSTEM INTERFACE
113    "$<BUILD_INTERFACE:${gmock_build_include_dirs}>"
114    "$<INSTALL_INTERFACE:$<INSTALL_PREFIX>/${CMAKE_INSTALL_INCLUDEDIR}>")
115  target_include_directories(gmock_main SYSTEM INTERFACE
116    "$<BUILD_INTERFACE:${gmock_build_include_dirs}>"
117    "$<INSTALL_INTERFACE:$<INSTALL_PREFIX>/${CMAKE_INSTALL_INCLUDEDIR}>")
118endif()
119
120########################################################################
121#
122# Install rules
123install_project(gmock gmock_main)
124
125########################################################################
126#
127# Google Mock's own tests.
128#
129# You can skip this section if you aren't interested in testing
130# Google Mock itself.
131#
132# The tests are not built by default.  To build them, set the
133# gmock_build_tests option to ON.  You can do it by running ccmake
134# or specifying the -Dgmock_build_tests=ON flag when running cmake.
135
136if (gmock_build_tests)
137  # This must be set in the root directory for the tests to be run by
138  # 'make test' or ctest.
139  enable_testing()
140
141  if (MINGW OR CYGWIN)
142    if (CMAKE_VERSION VERSION_LESS "2.8.12")
143      add_compile_options("-Wa,-mbig-obj")
144    else()
145      add_definitions("-Wa,-mbig-obj")
146    endif()
147  endif()
148
149  ############################################################
150  # C++ tests built with standard compiler flags.
151
152  cxx_test(gmock-actions_test gmock_main)
153  cxx_test(gmock-cardinalities_test gmock_main)
154  cxx_test(gmock_ex_test gmock_main)
155  cxx_test(gmock-function-mocker_test gmock_main)
156  cxx_test(gmock-internal-utils_test gmock_main)
157  cxx_test(gmock-matchers_test gmock_main)
158  cxx_test(gmock-more-actions_test gmock_main)
159  cxx_test(gmock-nice-strict_test gmock_main)
160  cxx_test(gmock-port_test gmock_main)
161  cxx_test(gmock-spec-builders_test gmock_main)
162  cxx_test(gmock_link_test gmock_main test/gmock_link2_test.cc)
163  cxx_test(gmock_test gmock_main)
164
165  if (DEFINED GTEST_HAS_PTHREAD)
166    cxx_test(gmock_stress_test gmock)
167  endif()
168
169  # gmock_all_test is commented to save time building and running tests.
170  # Uncomment if necessary.
171  # cxx_test(gmock_all_test gmock_main)
172
173  ############################################################
174  # C++ tests built with non-standard compiler flags.
175
176  if (MSVC)
177    cxx_library(gmock_main_no_exception "${cxx_no_exception}"
178      "${gtest_dir}/src/gtest-all.cc" src/gmock-all.cc src/gmock_main.cc)
179
180    cxx_library(gmock_main_no_rtti "${cxx_no_rtti}"
181      "${gtest_dir}/src/gtest-all.cc" src/gmock-all.cc src/gmock_main.cc)
182
183  else()
184    cxx_library(gmock_main_no_exception "${cxx_no_exception}" src/gmock_main.cc)
185    target_link_libraries(gmock_main_no_exception PUBLIC gmock)
186
187    cxx_library(gmock_main_no_rtti "${cxx_no_rtti}" src/gmock_main.cc)
188    target_link_libraries(gmock_main_no_rtti PUBLIC gmock)
189  endif()
190  cxx_test_with_flags(gmock-more-actions_no_exception_test "${cxx_no_exception}"
191    gmock_main_no_exception test/gmock-more-actions_test.cc)
192
193  cxx_test_with_flags(gmock_no_rtti_test "${cxx_no_rtti}"
194    gmock_main_no_rtti test/gmock-spec-builders_test.cc)
195
196  cxx_shared_library(shared_gmock_main "${cxx_default}"
197    "${gtest_dir}/src/gtest-all.cc" src/gmock-all.cc src/gmock_main.cc)
198
199  # Tests that a binary can be built with Google Mock as a shared library.  On
200  # some system configurations, it may not possible to run the binary without
201  # knowing more details about the system configurations. We do not try to run
202  # this binary. To get a more robust shared library coverage, configure with
203  # -DBUILD_SHARED_LIBS=ON.
204  cxx_executable_with_flags(shared_gmock_test_ "${cxx_default}"
205    shared_gmock_main test/gmock-spec-builders_test.cc)
206  set_target_properties(shared_gmock_test_
207    PROPERTIES
208    COMPILE_DEFINITIONS "GTEST_LINKED_AS_SHARED_LIBRARY=1")
209
210  ############################################################
211  # Python tests.
212
213  cxx_executable(gmock_leak_test_ test gmock_main)
214  py_test(gmock_leak_test)
215
216  cxx_executable(gmock_output_test_ test gmock)
217  py_test(gmock_output_test)
218endif()
219