########################################################################

# CMake build script for Google Test.

#

# To run the tests for Google Test itself on Linux, use 'make test' or

# ctest.  You can select which tests to run using 'ctest -R regex'.

# For more options, run 'ctest --help'.

# BUILD_SHARED_LIBS is a standard CMake variable, but we declare it here to

# make it prominent in the GUI.

option(BUILD_SHARED_LIBS "Build shared libraries (DLLs)." OFF)

# When other libraries are using a shared version of runtime libraries,

# Google Test also has to use one.

option(

  gtest_force_shared_crt

  "Use shared (DLL) run-time lib even when Google Test is built as static lib."

  OFF)

option(gtest_build_tests "Build all of gtest's own tests." OFF)

option(gtest_build_samples "Build gtest's sample programs." OFF)

option(gtest_disable_pthreads "Disable uses of pthreads in gtest." OFF)

# Defines pre_project_set_up_hermetic_build() and set_up_hermetic_build().

include(cmake/hermetic_build.cmake OPTIONAL)

if (COMMAND pre_project_set_up_hermetic_build)

  pre_project_set_up_hermetic_build()

endif()

########################################################################

#

# Project-wide settings

# Name of the project.

#

# CMake files in this project can refer to the root source directory

# as ${gtest_SOURCE_DIR} and to the root binary directory as

# ${gtest_BINARY_DIR}.

# Language "C" is required for find_package(Threads).

project(gtest CXX C)

cmake_minimum_required(VERSION 2.6.2)

if (COMMAND set_up_hermetic_build)

  set_up_hermetic_build()

endif()

# Define helper functions and macros used by Google Test.

include(cmake/internal_utils.cmake)

config_compiler_and_linker()  # Defined in internal_utils.cmake.

# Where Google Test's .h files can be found.

include_directories(

  ${gtest_SOURCE_DIR}/include

  ${gtest_SOURCE_DIR})

# Where Google Test's libraries can be found.

link_directories(${gtest_BINARY_DIR}/src)

# Summary of tuple support for Microsoft Visual Studio:

# Compiler    version(MS)  version(cmake)  Support

# ----------  -----------  --------------  -----------------------------

# <= VS 2010  <= 10        <= 1600         Use Google Tests's own tuple.

# VS 2012     11           1700            std::tr1::tuple + _VARIADIC_MAX=10

# VS 2013     12           1800            std::tr1::tuple

if (MSVC AND MSVC_VERSION EQUAL 1700)

  add_definitions(/D _VARIADIC_MAX=10)

endif()

########################################################################

#

# Defines the gtest & gtest_main libraries.  User tests should link

# with one of them.

# Google Test libraries.  We build them using more strict warnings than what

# are used for other targets, to ensure that gtest can be compiled by a user

# aggressive about warnings.

cxx_library(gtest "${cxx_strict}" src/gtest-all.cc)

cxx_library(gtest_main "${cxx_strict}" src/gtest_main.cc)

target_link_libraries(gtest_main gtest)

########################################################################

#

# Samples on how to link user tests with gtest or gtest_main.

#

# They are not built by default.  To build them, set the

# gtest_build_samples option to ON.  You can do it by running ccmake

# or specifying the -Dgtest_build_samples=ON flag when running cmake.

if (gtest_build_samples)

  cxx_executable(sample1_unittest samples gtest_main samples/sample1.cc)

  cxx_executable(sample2_unittest samples gtest_main samples/sample2.cc)

  cxx_executable(sample3_unittest samples gtest_main)

  cxx_executable(sample4_unittest samples gtest_main samples/sample4.cc)

  cxx_executable(sample5_unittest samples gtest_main samples/sample1.cc)

  cxx_executable(sample6_unittest samples gtest_main)

  cxx_executable(sample7_unittest samples gtest_main)

  cxx_executable(sample8_unittest samples gtest_main)

  cxx_executable(sample9_unittest samples gtest)

  cxx_executable(sample10_unittest samples gtest)

endif()

########################################################################

#

# Google Test's own tests.

#

# You can skip this section if you aren't interested in testing

# Google Test itself.

#

# The tests are not built by default.  To build them, set the

# gtest_build_tests option to ON.  You can do it by running ccmake

# or specifying the -Dgtest_build_tests=ON flag when running cmake.

if (gtest_build_tests)

  # This must be set in the root directory for the tests to be run by

  # 'make test' or ctest.

  enable_testing()

  ############################################################

  # C++ tests built with standard compiler flags.

  cxx_test(gtest-death-test_test gtest_main)

  cxx_test(gtest_environment_test gtest)

  cxx_test(gtest-filepath_test gtest_main)

  cxx_test(gtest-linked_ptr_test gtest_main)

  cxx_test(gtest-listener_test gtest_main)

  cxx_test(gtest_main_unittest gtest_main)

  cxx_test(gtest-message_test gtest_main)

  cxx_test(gtest_no_test_unittest gtest)

  cxx_test(gtest-options_test gtest_main)

  cxx_test(gtest-param-test_test gtest

    test/gtest-param-test2_test.cc)

  cxx_test(gtest-port_test gtest_main)

  cxx_test(gtest_pred_impl_unittest gtest_main)

  cxx_test(gtest_premature_exit_test gtest

    test/gtest_premature_exit_test.cc)

  cxx_test(gtest-printers_test gtest_main)

  cxx_test(gtest_prod_test gtest_main

    test/production.cc)

  cxx_test(gtest_repeat_test gtest)

  cxx_test(gtest_sole_header_test gtest_main)

  cxx_test(gtest_stress_test gtest)

  cxx_test(gtest-test-part_test gtest_main)

  cxx_test(gtest_throw_on_failure_ex_test gtest)

  cxx_test(gtest-typed-test_test gtest_main

    test/gtest-typed-test2_test.cc)

  cxx_test(gtest_unittest gtest_main)

  cxx_test(gtest-unittest-api_test gtest)

  ############################################################

  # C++ tests built with non-standard compiler flags.

  # MSVC 7.1 does not support STL with exceptions disabled.

  if (NOT MSVC OR MSVC_VERSION GREATER 1310)

    cxx_library(gtest_no_exception "${cxx_no_exception}"

      src/gtest-all.cc)

    cxx_library(gtest_main_no_exception "${cxx_no_exception}"

      src/gtest-all.cc src/gtest_main.cc)

  endif()

  cxx_library(gtest_main_no_rtti "${cxx_no_rtti}"

    src/gtest-all.cc src/gtest_main.cc)

  cxx_test_with_flags(gtest-death-test_ex_nocatch_test

    "${cxx_exception} -DGTEST_ENABLE_CATCH_EXCEPTIONS_=0"

    gtest test/gtest-death-test_ex_test.cc)

  cxx_test_with_flags(gtest-death-test_ex_catch_test

    "${cxx_exception} -DGTEST_ENABLE_CATCH_EXCEPTIONS_=1"

    gtest test/gtest-death-test_ex_test.cc)

  cxx_test_with_flags(gtest_no_rtti_unittest "${cxx_no_rtti}"

    gtest_main_no_rtti test/gtest_unittest.cc)

  cxx_shared_library(gtest_dll "${cxx_default}"

    src/gtest-all.cc src/gtest_main.cc)

  cxx_executable_with_flags(gtest_dll_test_ "${cxx_default}"

    gtest_dll test/gtest_all_test.cc)

  set_target_properties(gtest_dll_test_

                        PROPERTIES

                        COMPILE_DEFINITIONS "GTEST_LINKED_AS_SHARED_LIBRARY=1")

  if (NOT MSVC OR MSVC_VERSION LESS 1600)  # 1600 is Visual Studio 2010.

    # Visual Studio 2010, 2012, and 2013 define symbols in std::tr1 that

    # conflict with our own definitions. Therefore using our own tuple does not

    # work on those compilers.

    cxx_library(gtest_main_use_own_tuple "${cxx_use_own_tuple}"

      src/gtest-all.cc src/gtest_main.cc)

    cxx_test_with_flags(gtest-tuple_test "${cxx_use_own_tuple}"

      gtest_main_use_own_tuple test/gtest-tuple_test.cc)

    cxx_test_with_flags(gtest_use_own_tuple_test "${cxx_use_own_tuple}"

      gtest_main_use_own_tuple

      test/gtest-param-test_test.cc test/gtest-param-test2_test.cc)

  endif()

  ############################################################

  # Python tests.

  cxx_executable(gtest_break_on_failure_unittest_ test gtest)

  py_test(gtest_break_on_failure_unittest)

  # Visual Studio .NET 2003 does not support STL with exceptions disabled.

  if (NOT MSVC OR MSVC_VERSION GREATER 1310)  # 1310 is Visual Studio .NET 2003

    cxx_executable_with_flags(

      gtest_catch_exceptions_no_ex_test_

      "${cxx_no_exception}"

      gtest_main_no_exception

      test/gtest_catch_exceptions_test_.cc)

  endif()

  cxx_executable_with_flags(

    gtest_catch_exceptions_ex_test_

    "${cxx_exception}"

    gtest_main

    test/gtest_catch_exceptions_test_.cc)

  py_test(gtest_catch_exceptions_test)

  cxx_executable(gtest_color_test_ test gtest)

  py_test(gtest_color_test)

  cxx_executable(gtest_env_var_test_ test gtest)

  py_test(gtest_env_var_test)

  cxx_executable(gtest_filter_unittest_ test gtest)

  py_test(gtest_filter_unittest)

  cxx_executable(gtest_help_test_ test gtest_main)

  py_test(gtest_help_test)

  cxx_executable(gtest_list_tests_unittest_ test gtest)

  py_test(gtest_list_tests_unittest)

  cxx_executable(gtest_output_test_ test gtest)

  py_test(gtest_output_test)

  cxx_executable(gtest_shuffle_test_ test gtest)

  py_test(gtest_shuffle_test)

  # MSVC 7.1 does not support STL with exceptions disabled.

  if (NOT MSVC OR MSVC_VERSION GREATER 1310)

    cxx_executable(gtest_throw_on_failure_test_ test gtest_no_exception)

    set_target_properties(gtest_throw_on_failure_test_

      PROPERTIES

      COMPILE_FLAGS "${cxx_no_exception}")

    py_test(gtest_throw_on_failure_test)

  endif()

  cxx_executable(gtest_uninitialized_test_ test gtest)

  py_test(gtest_uninitialized_test)

  cxx_executable(gtest_xml_outfile1_test_ test gtest_main)

  cxx_executable(gtest_xml_outfile2_test_ test gtest_main)

  py_test(gtest_xml_outfiles_test)

  cxx_executable(gtest_xml_output_unittest_ test gtest)

  py_test(gtest_xml_output_unittest)

endif()