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      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 
      8 # BUILD_SHARED_LIBS is a standard CMake variable, but we declare it here to
      9 # make it prominent in the GUI.
     10 option(BUILD_SHARED_LIBS "Build shared libraries (DLLs)." OFF)
     11 
     12 option(gmock_build_tests "Build all of Google Mock's own tests." OFF)
     13 
     14 # A directory to find Google Test sources.
     15 if (EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/gtest/CMakeLists.txt")
     16   set(gtest_dir gtest)
     17 else()
     18   set(gtest_dir ../googletest)
     19 endif()
     20 
     21 # Defines pre_project_set_up_hermetic_build() and set_up_hermetic_build().
     22 include("${gtest_dir}/cmake/hermetic_build.cmake" OPTIONAL)
     23 
     24 if (COMMAND pre_project_set_up_hermetic_build)
     25   # Google Test also calls hermetic setup functions from add_subdirectory,
     26   # although its changes will not affect things at the current scope.
     27   pre_project_set_up_hermetic_build()
     28 endif()
     29 
     30 ########################################################################
     31 #
     32 # Project-wide settings
     33 
     34 # Name of the project.
     35 #
     36 # CMake files in this project can refer to the root source directory
     37 # as ${gmock_SOURCE_DIR} and to the root binary directory as
     38 # ${gmock_BINARY_DIR}.
     39 # Language "C" is required for find_package(Threads).
     40 project(gmock CXX C)
     41 cmake_minimum_required(VERSION 2.6.2)
     42 
     43 if (COMMAND set_up_hermetic_build)
     44   set_up_hermetic_build()
     45 endif()
     46 
     47 # Instructs CMake to process Google Test's CMakeLists.txt and add its
     48 # targets to the current scope.  We are placing Google Test's binary
     49 # directory in a subdirectory of our own as VC compilation may break
     50 # if they are the same (the default).
     51 add_subdirectory("${gtest_dir}" "${gmock_BINARY_DIR}/gtest")
     52 
     53 # Although Google Test's CMakeLists.txt calls this function, the
     54 # changes there don't affect the current scope.  Therefore we have to
     55 # call it again here.
     56 config_compiler_and_linker()  # from ${gtest_dir}/cmake/internal_utils.cmake
     57 
     58 # Adds Google Mock's and Google Test's header directories to the search path.
     59 include_directories("${gmock_SOURCE_DIR}/include"
     60                     "${gmock_SOURCE_DIR}"
     61                     "${gtest_SOURCE_DIR}/include"
     62                     # This directory is needed to build directly from Google
     63                     # Test sources.
     64                     "${gtest_SOURCE_DIR}")
     65 
     66 # Summary of tuple support for Microsoft Visual Studio:
     67 # Compiler    version(MS)  version(cmake)  Support
     68 # ----------  -----------  --------------  -----------------------------
     69 # <= VS 2010  <= 10        <= 1600         Use Google Tests's own tuple.
     70 # VS 2012     11           1700            std::tr1::tuple + _VARIADIC_MAX=10
     71 # VS 2013     12           1800            std::tr1::tuple
     72 if (MSVC AND MSVC_VERSION EQUAL 1700)
     73   add_definitions(/D _VARIADIC_MAX=10)
     74 endif()
     75 
     76 ########################################################################
     77 #
     78 # Defines the gmock & gmock_main libraries.  User tests should link
     79 # with one of them.
     80 
     81 # Google Mock libraries.  We build them using more strict warnings than what
     82 # are used for other targets, to ensure that Google Mock can be compiled by
     83 # a user aggressive about warnings.
     84 cxx_library(gmock
     85             "${cxx_strict}"
     86             "${gtest_dir}/src/gtest-all.cc"
     87             src/gmock-all.cc)
     88 
     89 cxx_library(gmock_main
     90             "${cxx_strict}"
     91             "${gtest_dir}/src/gtest-all.cc"
     92             src/gmock-all.cc
     93             src/gmock_main.cc)
     94 
     95 # If the CMake version supports it, attach header directory information
     96 # to the targets for when we are part of a parent build (ie being pulled
     97 # in via add_subdirectory() rather than being a standalone build).
     98 if (DEFINED CMAKE_VERSION AND NOT "${CMAKE_VERSION}" VERSION_LESS "2.8.11")
     99   target_include_directories(gmock      INTERFACE "${gmock_SOURCE_DIR}/include")
    100   target_include_directories(gmock_main INTERFACE "${gmock_SOURCE_DIR}/include")
    101 endif()
    102 
    103 ########################################################################
    104 #
    105 # Install rules
    106 install(TARGETS gmock gmock_main
    107   DESTINATION lib)
    108 install(DIRECTORY ${gmock_SOURCE_DIR}/include/gmock
    109   DESTINATION include)
    110 
    111 ########################################################################
    112 #
    113 # Google Mock's own tests.
    114 #
    115 # You can skip this section if you aren't interested in testing
    116 # Google Mock itself.
    117 #
    118 # The tests are not built by default.  To build them, set the
    119 # gmock_build_tests option to ON.  You can do it by running ccmake
    120 # or specifying the -Dgmock_build_tests=ON flag when running cmake.
    121 
    122 if (gmock_build_tests)
    123   # This must be set in the root directory for the tests to be run by
    124   # 'make test' or ctest.
    125   enable_testing()
    126 
    127   ############################################################
    128   # C++ tests built with standard compiler flags.
    129 
    130   cxx_test(gmock-actions_test gmock_main)
    131   cxx_test(gmock-cardinalities_test gmock_main)
    132   cxx_test(gmock_ex_test gmock_main)
    133   cxx_test(gmock-generated-actions_test gmock_main)
    134   cxx_test(gmock-generated-function-mockers_test gmock_main)
    135   cxx_test(gmock-generated-internal-utils_test gmock_main)
    136   cxx_test(gmock-generated-matchers_test gmock_main)
    137   cxx_test(gmock-internal-utils_test gmock_main)
    138   cxx_test(gmock-matchers_test gmock_main)
    139   cxx_test(gmock-more-actions_test gmock_main)
    140   cxx_test(gmock-nice-strict_test gmock_main)
    141   cxx_test(gmock-port_test gmock_main)
    142   cxx_test(gmock-spec-builders_test gmock_main)
    143   cxx_test(gmock_link_test gmock_main test/gmock_link2_test.cc)
    144   cxx_test(gmock_test gmock_main)
    145 
    146   if (CMAKE_USE_PTHREADS_INIT)
    147     cxx_test(gmock_stress_test gmock)
    148   endif()
    149 
    150   # gmock_all_test is commented to save time building and running tests.
    151   # Uncomment if necessary.
    152   # cxx_test(gmock_all_test gmock_main)
    153 
    154   ############################################################
    155   # C++ tests built with non-standard compiler flags.
    156 
    157   cxx_library(gmock_main_no_exception "${cxx_no_exception}"
    158     "${gtest_dir}/src/gtest-all.cc" src/gmock-all.cc src/gmock_main.cc)
    159 
    160   cxx_library(gmock_main_no_rtti "${cxx_no_rtti}"
    161     "${gtest_dir}/src/gtest-all.cc" src/gmock-all.cc src/gmock_main.cc)
    162 
    163   if (NOT MSVC OR MSVC_VERSION LESS 1600)  # 1600 is Visual Studio 2010.
    164     # Visual Studio 2010, 2012, and 2013 define symbols in std::tr1 that
    165     # conflict with our own definitions. Therefore using our own tuple does not
    166     # work on those compilers.
    167     cxx_library(gmock_main_use_own_tuple "${cxx_use_own_tuple}"
    168       "${gtest_dir}/src/gtest-all.cc" src/gmock-all.cc src/gmock_main.cc)
    169 
    170     cxx_test_with_flags(gmock_use_own_tuple_test "${cxx_use_own_tuple}"
    171       gmock_main_use_own_tuple test/gmock-spec-builders_test.cc)
    172   endif()
    173 
    174   cxx_test_with_flags(gmock-more-actions_no_exception_test "${cxx_no_exception}"
    175     gmock_main_no_exception test/gmock-more-actions_test.cc)
    176 
    177   cxx_test_with_flags(gmock_no_rtti_test "${cxx_no_rtti}"
    178     gmock_main_no_rtti test/gmock-spec-builders_test.cc)
    179 
    180   cxx_shared_library(shared_gmock_main "${cxx_default}"
    181     "${gtest_dir}/src/gtest-all.cc" src/gmock-all.cc src/gmock_main.cc)
    182 
    183   # Tests that a binary can be built with Google Mock as a shared library.  On
    184   # some system configurations, it may not possible to run the binary without
    185   # knowing more details about the system configurations. We do not try to run
    186   # this binary. To get a more robust shared library coverage, configure with
    187   # -DBUILD_SHARED_LIBS=ON.
    188   cxx_executable_with_flags(shared_gmock_test_ "${cxx_default}"
    189     shared_gmock_main test/gmock-spec-builders_test.cc)
    190   set_target_properties(shared_gmock_test_
    191     PROPERTIES
    192     COMPILE_DEFINITIONS "GTEST_LINKED_AS_SHARED_LIBRARY=1")
    193 
    194   ############################################################
    195   # Python tests.
    196 
    197   cxx_executable(gmock_leak_test_ test gmock_main)
    198   py_test(gmock_leak_test)
    199 
    200   cxx_executable(gmock_output_test_ test gmock)
    201   py_test(gmock_output_test)
    202 endif()
    203