213 lines
6.5 KiB
CMake
213 lines
6.5 KiB
CMake
#.rst:
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# FindGTest
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# ---------
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#
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# Locate the Google C++ Testing Framework.
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#
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# Defines the following variables:
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#
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# ::
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#
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# GTEST_FOUND - Found the Google Testing framework
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# GTEST_INCLUDE_DIRS - Include directories
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#
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#
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#
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# Also defines the library variables below as normal variables. These
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# contain debug/optimized keywords when a debugging library is found.
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#
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# ::
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#
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# GTEST_BOTH_LIBRARIES - Both libgtest & libgtest-main
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# GTEST_LIBRARIES - libgtest
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# GTEST_MAIN_LIBRARIES - libgtest-main
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#
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#
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#
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# Accepts the following variables as input:
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#
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# ::
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#
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# GTEST_ROOT - (as a CMake or environment variable)
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# The root directory of the gtest install prefix
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#
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#
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#
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# ::
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#
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# GTEST_MSVC_SEARCH - If compiling with MSVC, this variable can be set to
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# "MD" or "MT" to enable searching a GTest build tree
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# (defaults: "MD")
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#
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#
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#
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# Example Usage:
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#
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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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# include_directories(${GTEST_INCLUDE_DIRS})
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#
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#
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#
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# ::
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#
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# add_executable(foo foo.cc)
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# target_link_libraries(foo ${GTEST_BOTH_LIBRARIES})
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#
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#
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#
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# ::
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#
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# add_test(AllTestsInFoo foo)
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#
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#
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#
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#
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#
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# If you would like each Google test to show up in CTest as a test you
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# may use the following macro. NOTE: It will slow down your tests by
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# running an executable for each test and test fixture. You will also
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# have to rerun CMake after adding or removing tests or test fixtures.
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#
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# GTEST_ADD_TESTS(executable extra_args ARGN)
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#
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# ::
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#
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# executable = The path to the test executable
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# extra_args = Pass a list of extra arguments to be passed to
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# executable enclosed in quotes (or "" for none)
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# ARGN = A list of source files to search for tests & test
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# fixtures. Or AUTO to find them from executable target.
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#
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#
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#
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# ::
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#
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# Example:
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# set(FooTestArgs --foo 1 --bar 2)
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# add_executable(FooTest FooUnitTest.cc)
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# GTEST_ADD_TESTS(FooTest "${FooTestArgs}" AUTO)
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#=============================================================================
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# Copyright 2009 Kitware, Inc.
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# Copyright 2009 Philip Lowman <philip@yhbt.com>
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# Copyright 2009 Daniel Blezek <blezek@gmail.com>
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#
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# Distributed under the OSI-approved BSD License (the "License");
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# see accompanying file Copyright.txt for details.
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#
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# This software is distributed WITHOUT ANY WARRANTY; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the License for more information.
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#=============================================================================
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# (To distribute this file outside of CMake, substitute the full
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# License text for the above reference.)
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#
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# Thanks to Daniel Blezek <blezek@gmail.com> for the GTEST_ADD_TESTS code
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function(GTEST_ADD_TESTS executable extra_args)
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if(NOT ARGN)
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message(FATAL_ERROR "Missing ARGN: Read the documentation for GTEST_ADD_TESTS")
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endif()
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if(ARGN STREQUAL "AUTO")
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# obtain sources used for building that executable
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get_property(ARGN TARGET ${executable} PROPERTY SOURCES)
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endif()
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set(gtest_case_name_regex ".*\\( *([A-Za-z_0-9]+) *, *([A-Za-z_0-9]+) *\\).*")
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set(gtest_test_type_regex "(TYPED_TEST|TEST_?[FP]?)")
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foreach(source ${ARGN})
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file(READ "${source}" contents)
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string(REGEX MATCHALL "${gtest_test_type_regex} *\\(([A-Za-z_0-9 ,]+)\\)" found_tests ${contents})
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foreach(hit ${found_tests})
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string(REGEX MATCH "${gtest_test_type_regex}" test_type ${hit})
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# Parameterized tests have a different signature for the filter
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if("x${test_type}" STREQUAL "xTEST_P")
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string(REGEX REPLACE ${gtest_case_name_regex} "*/\\1.\\2/*" test_name ${hit})
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elseif("x${test_type}" STREQUAL "xTEST_F" OR "x${test_type}" STREQUAL "xTEST")
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string(REGEX REPLACE ${gtest_case_name_regex} "\\1.\\2" test_name ${hit})
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elseif("x${test_type}" STREQUAL "xTYPED_TEST")
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string(REGEX REPLACE ${gtest_case_name_regex} "\\1/*.\\2" test_name ${hit})
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else()
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message(WARNING "Could not parse GTest ${hit} for adding to CTest.")
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continue()
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endif()
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add_test(NAME ${test_name} COMMAND ${executable} --gtest_filter=${test_name} ${extra_args})
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endforeach()
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endforeach()
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endfunction()
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function(_gtest_append_debugs _endvar _library)
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if(${_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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#
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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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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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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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endif()
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