255 lines
8.2 KiB
CMake
255 lines
8.2 KiB
CMake
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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#[=======================================================================[.rst:
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FindGTest
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---------
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Locate the Google C++ Testing Framework.
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Imported targets
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^^^^^^^^^^^^^^^^
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This module defines the following :prop_tgt:`IMPORTED` targets:
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``GTest::GTest``
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The Google Test ``gtest`` library, if found; adds Thread::Thread
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automatically
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``GTest::Main``
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The Google Test ``gtest_main`` library, if found
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Result variables
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^^^^^^^^^^^^^^^^
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This module will set the following variables in your project:
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``GTEST_FOUND``
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Found the Google Testing framework
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``GTEST_INCLUDE_DIRS``
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the directory containing the Google Test headers
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The library variables below are set as normal variables. These
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contain debug/optimized keywords when a debugging library is found.
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``GTEST_LIBRARIES``
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The Google Test ``gtest`` library; note it also requires linking
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with an appropriate thread library
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``GTEST_MAIN_LIBRARIES``
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The Google Test ``gtest_main`` library
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``GTEST_BOTH_LIBRARIES``
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Both ``gtest`` and ``gtest_main``
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Cache variables
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^^^^^^^^^^^^^^^
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The following cache variables may also be set:
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``GTEST_ROOT``
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The root directory of the Google Test installation (may also be
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set as an environment variable)
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``GTEST_MSVC_SEARCH``
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If compiling with MSVC, this variable can be set to ``MT`` or
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``MD`` (the default) to enable searching a GTest build tree
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Example usage
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^^^^^^^^^^^^^
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::
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enable_testing()
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find_package(GTest REQUIRED)
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add_executable(foo foo.cc)
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target_link_libraries(foo GTest::GTest GTest::Main)
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add_test(AllTestsInFoo foo)
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Deeper integration with CTest
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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See :module:`GoogleTest` for information on the :command:`gtest_add_tests`
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and :command:`gtest_discover_tests` commands.
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#]=======================================================================]
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include(${CMAKE_CURRENT_LIST_DIR}/GoogleTest.cmake)
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function(__gtest_append_debugs _endvar _library)
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if(${_library} AND ${_library}_DEBUG)
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set(_output optimized ${${_library}} debug ${${_library}_DEBUG})
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else()
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set(_output ${${_library}})
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endif()
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set(${_endvar} ${_output} PARENT_SCOPE)
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endfunction()
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function(__gtest_find_library _name)
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find_library(${_name}
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NAMES ${ARGN}
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HINTS
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ENV GTEST_ROOT
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${GTEST_ROOT}
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PATH_SUFFIXES ${_gtest_libpath_suffixes}
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)
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mark_as_advanced(${_name})
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endfunction()
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macro(__gtest_determine_windows_library_type _var)
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if(EXISTS "${${_var}}")
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file(TO_NATIVE_PATH "${${_var}}" _lib_path)
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get_filename_component(_name "${${_var}}" NAME_WE)
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file(STRINGS "${${_var}}" _match REGEX "${_name}\\.dll" LIMIT_COUNT 1)
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if(NOT _match STREQUAL "")
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set(${_var}_TYPE SHARED PARENT_SCOPE)
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else()
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set(${_var}_TYPE UNKNOWN PARENT_SCOPE)
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endif()
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return()
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endif()
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endmacro()
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function(__gtest_determine_library_type _var)
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if(WIN32)
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# For now, at least, only Windows really needs to know the library type
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__gtest_determine_windows_library_type(${_var})
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__gtest_determine_windows_library_type(${_var}_RELEASE)
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__gtest_determine_windows_library_type(${_var}_DEBUG)
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endif()
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# If we get here, no determination was made from the above checks
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set(${_var}_TYPE UNKNOWN PARENT_SCOPE)
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endfunction()
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function(__gtest_import_library _target _var _config)
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if(_config)
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set(_config_suffix "_${_config}")
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else()
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set(_config_suffix "")
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endif()
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set(_lib "${${_var}${_config_suffix}}")
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if(EXISTS "${_lib}")
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if(_config)
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set_property(TARGET ${_target} APPEND PROPERTY
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IMPORTED_CONFIGURATIONS ${_config})
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endif()
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set_target_properties(${_target} PROPERTIES
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IMPORTED_LINK_INTERFACE_LANGUAGES${_config_suffix} "CXX")
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if(WIN32 AND ${_var}_TYPE STREQUAL SHARED)
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set_target_properties(${_target} PROPERTIES
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IMPORTED_IMPLIB${_config_suffix} "${_lib}")
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else()
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set_target_properties(${_target} PROPERTIES
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IMPORTED_LOCATION${_config_suffix} "${_lib}")
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endif()
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endif()
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endfunction()
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#
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if(NOT DEFINED GTEST_MSVC_SEARCH)
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set(GTEST_MSVC_SEARCH MD)
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endif()
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set(_gtest_libpath_suffixes lib)
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if(MSVC)
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if(GTEST_MSVC_SEARCH STREQUAL "MD")
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list(APPEND _gtest_libpath_suffixes
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msvc/gtest-md/Debug
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msvc/gtest-md/Release
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msvc/x64/Debug
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msvc/x64/Release
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msvc/2010/gtest-md/Win32-Debug
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msvc/2010/gtest-md/Win32-Release
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msvc/2010/gtest-md/x64-Debug
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msvc/2010/gtest-md/x64-Release
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)
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elseif(GTEST_MSVC_SEARCH STREQUAL "MT")
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list(APPEND _gtest_libpath_suffixes
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msvc/gtest/Debug
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msvc/gtest/Release
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msvc/x64/Debug
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msvc/x64/Release
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msvc/2010/gtest/Win32-Debug
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msvc/2010/gtest/Win32-Release
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msvc/2010/gtest/x64-Debug
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msvc/2010/gtest/x64-Release
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)
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endif()
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endif()
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find_path(GTEST_INCLUDE_DIR gtest/gtest.h
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HINTS
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$ENV{GTEST_ROOT}/include
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${GTEST_ROOT}/include
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)
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mark_as_advanced(GTEST_INCLUDE_DIR)
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if(MSVC AND GTEST_MSVC_SEARCH STREQUAL "MD")
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# The provided /MD project files for Google Test add -md suffixes to the
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# library names.
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__gtest_find_library(GTEST_LIBRARY gtest-md gtest)
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__gtest_find_library(GTEST_LIBRARY_DEBUG gtest-mdd gtestd)
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__gtest_find_library(GTEST_MAIN_LIBRARY gtest_main-md gtest_main)
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__gtest_find_library(GTEST_MAIN_LIBRARY_DEBUG gtest_main-mdd gtest_maind)
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else()
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__gtest_find_library(GTEST_LIBRARY gtest)
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__gtest_find_library(GTEST_LIBRARY_DEBUG gtestd)
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__gtest_find_library(GTEST_MAIN_LIBRARY gtest_main)
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__gtest_find_library(GTEST_MAIN_LIBRARY_DEBUG gtest_maind)
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endif()
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include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(GTest DEFAULT_MSG GTEST_LIBRARY GTEST_INCLUDE_DIR GTEST_MAIN_LIBRARY)
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if(GTEST_FOUND)
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set(GTEST_INCLUDE_DIRS ${GTEST_INCLUDE_DIR})
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__gtest_append_debugs(GTEST_LIBRARIES GTEST_LIBRARY)
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__gtest_append_debugs(GTEST_MAIN_LIBRARIES GTEST_MAIN_LIBRARY)
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set(GTEST_BOTH_LIBRARIES ${GTEST_LIBRARIES} ${GTEST_MAIN_LIBRARIES})
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find_package(Threads QUIET)
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if(NOT TARGET GTest::GTest)
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__gtest_determine_library_type(GTEST_LIBRARY)
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add_library(GTest::GTest ${GTEST_LIBRARY_TYPE} IMPORTED)
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if(TARGET Threads::Threads)
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set_target_properties(GTest::GTest PROPERTIES
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INTERFACE_LINK_LIBRARIES Threads::Threads)
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endif()
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if(GTEST_LIBRARY_TYPE STREQUAL "SHARED")
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set_target_properties(GTest::GTest PROPERTIES
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INTERFACE_COMPILE_DEFINITIONS "GTEST_LINKED_AS_SHARED_LIBRARY=1")
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endif()
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if(GTEST_INCLUDE_DIRS)
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set_target_properties(GTest::GTest PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES "${GTEST_INCLUDE_DIRS}")
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endif()
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__gtest_import_library(GTest::GTest GTEST_LIBRARY "")
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__gtest_import_library(GTest::GTest GTEST_LIBRARY "RELEASE")
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__gtest_import_library(GTest::GTest GTEST_LIBRARY "DEBUG")
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endif()
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if(NOT TARGET GTest::Main)
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__gtest_determine_library_type(GTEST_MAIN_LIBRARY)
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add_library(GTest::Main ${GTEST_MAIN_LIBRARY_TYPE} IMPORTED)
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set_target_properties(GTest::Main PROPERTIES
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INTERFACE_LINK_LIBRARIES "GTest::GTest")
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__gtest_import_library(GTest::Main GTEST_MAIN_LIBRARY "")
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__gtest_import_library(GTest::Main GTEST_MAIN_LIBRARY "RELEASE")
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__gtest_import_library(GTest::Main GTEST_MAIN_LIBRARY "DEBUG")
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endif()
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# Add targets mapping the same library names as defined in
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# GTest's CMake package config.
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if(NOT TARGET GTest::gtest)
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add_library(GTest::gtest INTERFACE IMPORTED)
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target_link_libraries(GTest::gtest INTERFACE GTest::GTest)
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endif()
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if(NOT TARGET GTest::gtest_main)
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add_library(GTest::gtest_main INTERFACE IMPORTED)
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target_link_libraries(GTest::gtest_main INTERFACE GTest::Main)
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endif()
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endif()
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