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# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
# file Copyright.txt or https://cmake.org/licensing for details.
#[=======================================================================[.rst:
FindGTest
---------
Locate the Google C++ Testing Framework.
Imported targets
^^^^^^^^^^^^^^^^
This module defines the following :prop_tgt:`IMPORTED` targets:
``GTest::GTest``
The Google Test ``gtest`` library, if found; adds Thread::Thread
automatically
``GTest::Main``
The Google Test ``gtest_main`` library, if found
Result variables
^^^^^^^^^^^^^^^^
This module will set the following variables in your project:
``GTEST_FOUND``
Found the Google Testing framework
``GTEST_INCLUDE_DIRS``
the directory containing the Google Test headers
The library variables below are set as normal variables. These
contain debug/optimized keywords when a debugging library is found.
``GTEST_LIBRARIES``
The Google Test ``gtest`` library; note it also requires linking
with an appropriate thread library
``GTEST_MAIN_LIBRARIES``
The Google Test ``gtest_main`` library
``GTEST_BOTH_LIBRARIES``
Both ``gtest`` and ``gtest_main``
Cache variables
^^^^^^^^^^^^^^^
The following cache variables may also be set:
``GTEST_ROOT``
The root directory of the Google Test installation (may also be
set as an environment variable)
``GTEST_MSVC_SEARCH``
If compiling with MSVC, this variable can be set to ``MT`` or
``MD`` (the default) to enable searching a GTest build tree
Example usage
^^^^^^^^^^^^^
::
enable_testing()
find_package(GTest REQUIRED)
add_executable(foo foo.cc)
target_link_libraries(foo GTest::GTest GTest::Main)
add_test(AllTestsInFoo foo)
Deeper integration with CTest
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
See :module:`GoogleTest` for information on the :command:`gtest_add_tests`
and :command:`gtest_discover_tests` commands.
#]=======================================================================]
include(${CMAKE_CURRENT_LIST_DIR}/GoogleTest.cmake)
function(__gtest_append_debugs _endvar _library)
if(${_library} AND ${_library}_DEBUG)
set(_output optimized ${${_library}} debug ${${_library}_DEBUG})
else()
set(_output ${${_library}})
endif()
set(${_endvar} ${_output} PARENT_SCOPE)
endfunction()
function(__gtest_find_library _name)
find_library(${_name}
NAMES ${ARGN}
HINTS
ENV GTEST_ROOT
${GTEST_ROOT}
PATH_SUFFIXES ${_gtest_libpath_suffixes}
)
mark_as_advanced(${_name})
endfunction()
function(__gtest_find_library_configuration _name _lib _cfg_suffix)
set(_libs ${_lib})
if(MSVC AND GTEST_MSVC_SEARCH STREQUAL "MD")
# The provided /MD project files for Google Test add -md suffixes to the
# library names.
list(INSERT _libs 0 ${_lib}-md)
endif()
list(TRANSFORM _libs APPEND "${_cfg_suffix}")
__gtest_find_library(${_name} ${_libs})
endfunction()
include(${CMAKE_CURRENT_LIST_DIR}/SelectLibraryConfigurations.cmake)
function(__gtest_find_and_select_library_configurations _basename _lib)
__gtest_find_library_configuration(${_basename}_LIBRARY_RELEASE ${_lib} "")
__gtest_find_library_configuration(${_basename}_LIBRARY_DEBUG ${_lib} "d")
select_library_configurations(${_basename})
set(${_basename}_LIBRARY ${${_basename}_LIBRARY} PARENT_SCOPE)
endfunction()
macro(__gtest_determine_windows_library_type _var)
if(EXISTS "${${_var}}")
file(TO_NATIVE_PATH "${${_var}}" _lib_path)
get_filename_component(_name "${${_var}}" NAME_WE)
file(STRINGS "${${_var}}" _match REGEX "${_name}\\.dll" LIMIT_COUNT 1)
if(NOT _match STREQUAL "")
set(${_var}_TYPE SHARED PARENT_SCOPE)
else()
set(${_var}_TYPE UNKNOWN PARENT_SCOPE)
endif()
return()
endif()
endmacro()
function(__gtest_determine_library_type _var)
if(WIN32)
# For now, at least, only Windows really needs to know the library type
__gtest_determine_windows_library_type(${_var})
__gtest_determine_windows_library_type(${_var}_RELEASE)
__gtest_determine_windows_library_type(${_var}_DEBUG)
endif()
# If we get here, no determination was made from the above checks
set(${_var}_TYPE UNKNOWN PARENT_SCOPE)
endfunction()
function(__gtest_import_library _target _var _config)
if(_config)
set(_config_suffix "_${_config}")
else()
set(_config_suffix "")
endif()
set(_lib "${${_var}${_config_suffix}}")
if(EXISTS "${_lib}")
if(_config)
set_property(TARGET ${_target} APPEND PROPERTY
IMPORTED_CONFIGURATIONS ${_config})
endif()
set_target_properties(${_target} PROPERTIES
IMPORTED_LINK_INTERFACE_LANGUAGES${_config_suffix} "CXX")
if(WIN32 AND ${_var}_TYPE STREQUAL SHARED)
set_target_properties(${_target} PROPERTIES
IMPORTED_IMPLIB${_config_suffix} "${_lib}")
else()
set_target_properties(${_target} PROPERTIES
IMPORTED_LOCATION${_config_suffix} "${_lib}")
endif()
endif()
endfunction()
#
if(NOT DEFINED GTEST_MSVC_SEARCH)
set(GTEST_MSVC_SEARCH MD)
endif()
set(_gtest_libpath_suffixes lib)
if(MSVC)
if(GTEST_MSVC_SEARCH STREQUAL "MD")
list(APPEND _gtest_libpath_suffixes
msvc/gtest-md/Debug
msvc/gtest-md/Release
msvc/x64/Debug
msvc/x64/Release
msvc/2010/gtest-md/Win32-Debug
msvc/2010/gtest-md/Win32-Release
msvc/2010/gtest-md/x64-Debug
msvc/2010/gtest-md/x64-Release
)
elseif(GTEST_MSVC_SEARCH STREQUAL "MT")
list(APPEND _gtest_libpath_suffixes
msvc/gtest/Debug
msvc/gtest/Release
msvc/x64/Debug
msvc/x64/Release
msvc/2010/gtest/Win32-Debug
msvc/2010/gtest/Win32-Release
msvc/2010/gtest/x64-Debug
msvc/2010/gtest/x64-Release
)
endif()
endif()
find_path(GTEST_INCLUDE_DIR gtest/gtest.h
HINTS
$ENV{GTEST_ROOT}/include
${GTEST_ROOT}/include
)
mark_as_advanced(GTEST_INCLUDE_DIR)
# Allow GTEST_LIBRARY and GTEST_MAIN_LIBRARY to be set manually, as the
# locations of the gtest and gtest_main libraries, respectively.
if(NOT GTEST_LIBRARY)
__gtest_find_and_select_library_configurations(GTEST gtest)
endif()
if(NOT GTEST_MAIN_LIBRARY)
__gtest_find_and_select_library_configurations(GTEST_MAIN gtest_main)
endif()
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(GTest DEFAULT_MSG GTEST_LIBRARY GTEST_INCLUDE_DIR GTEST_MAIN_LIBRARY)
if(GTEST_FOUND)
set(GTEST_INCLUDE_DIRS ${GTEST_INCLUDE_DIR})
__gtest_append_debugs(GTEST_LIBRARIES GTEST_LIBRARY)
__gtest_append_debugs(GTEST_MAIN_LIBRARIES GTEST_MAIN_LIBRARY)
set(GTEST_BOTH_LIBRARIES ${GTEST_LIBRARIES} ${GTEST_MAIN_LIBRARIES})
find_package(Threads QUIET)
if(NOT TARGET GTest::GTest)
__gtest_determine_library_type(GTEST_LIBRARY)
add_library(GTest::GTest ${GTEST_LIBRARY_TYPE} IMPORTED)
if(TARGET Threads::Threads)
set_target_properties(GTest::GTest PROPERTIES
INTERFACE_LINK_LIBRARIES Threads::Threads)
endif()
if(GTEST_LIBRARY_TYPE STREQUAL "SHARED")
set_target_properties(GTest::GTest PROPERTIES
INTERFACE_COMPILE_DEFINITIONS "GTEST_LINKED_AS_SHARED_LIBRARY=1")
endif()
if(GTEST_INCLUDE_DIRS)
set_target_properties(GTest::GTest PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${GTEST_INCLUDE_DIRS}")
endif()
__gtest_import_library(GTest::GTest GTEST_LIBRARY "")
__gtest_import_library(GTest::GTest GTEST_LIBRARY "RELEASE")
__gtest_import_library(GTest::GTest GTEST_LIBRARY "DEBUG")
endif()
if(NOT TARGET GTest::Main)
__gtest_determine_library_type(GTEST_MAIN_LIBRARY)
add_library(GTest::Main ${GTEST_MAIN_LIBRARY_TYPE} IMPORTED)
set_target_properties(GTest::Main PROPERTIES
INTERFACE_LINK_LIBRARIES "GTest::GTest")
__gtest_import_library(GTest::Main GTEST_MAIN_LIBRARY "")
__gtest_import_library(GTest::Main GTEST_MAIN_LIBRARY "RELEASE")
__gtest_import_library(GTest::Main GTEST_MAIN_LIBRARY "DEBUG")
endif()
# Add targets mapping the same library names as defined in
# GTest's CMake package config.
if(NOT TARGET GTest::gtest)
add_library(GTest::gtest INTERFACE IMPORTED)
target_link_libraries(GTest::gtest INTERFACE GTest::GTest)
endif()
if(NOT TARGET GTest::gtest_main)
add_library(GTest::gtest_main INTERFACE IMPORTED)
target_link_libraries(GTest::gtest_main INTERFACE GTest::Main)
endif()
endif()
|
