external_gtest.cmake 3.58 KB
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# ******************************************************************************
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# Copyright 2017-2019 Intel Corporation
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
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#
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#     http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
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# ******************************************************************************
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# Enable ExternalProject CMake module
include(ExternalProject)

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#------------------------------------------------------------------------------
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# Download and install GoogleTest ...
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#------------------------------------------------------------------------------
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SET(GTEST_GIT_REPO_URL https://github.com/google/googletest.git)
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SET(GTEST_GIT_LABEL release-1.8.1)
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if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
    if (DEFINED NGRAPH_USE_CXX_ABI)
        set(COMPILE_FLAGS "${COMPILE_FLAGS} -D_GLIBCXX_USE_CXX11_ABI=${NGRAPH_USE_CXX_ABI}")
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    endif()
endif()

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set(GMOCK_OUTPUT_DIR ${EXTERNAL_PROJECTS_ROOT}/gtest/build/googlemock)
set(GTEST_OUTPUT_DIR ${GMOCK_OUTPUT_DIR}/gtest)
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if (APPLE OR LINUX)
    set(COMPILE_FLAGS -fPIC)
endif()

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set(GTEST_CMAKE_ARGS
    -DCMAKE_CXX_FLAGS=${COMPILE_FLAGS}
)
if(WIN32)
    list(APPEND GTEST_CMAKE_ARGS
        -DCMAKE_ARCHIVE_OUTPUT_DIRECTORY_RELEASE=${GTEST_OUTPUT_DIR}
        -DCMAKE_ARCHIVE_OUTPUT_DIRECTORY_DEBUG=${GTEST_OUTPUT_DIR}
        -Dgtest_force_shared_crt=TRUE
    )
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endif()

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ExternalProject_Add(
    ext_gtest
    PREFIX gtest
    GIT_REPOSITORY ${GTEST_GIT_REPO_URL}
    GIT_TAG ${GTEST_GIT_LABEL}
    # Disable install step
    INSTALL_COMMAND ""
    UPDATE_COMMAND ""
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    CMAKE_GENERATOR ${CMAKE_GENERATOR}
    CMAKE_GENERATOR_PLATFORM ${CMAKE_GENERATOR_PLATFORM}
    CMAKE_GENERATOR_TOOLSET ${CMAKE_GENERATOR_TOOLSET}
    CMAKE_ARGS
        ${NGRAPH_FORWARD_CMAKE_ARGS}
        ${GTEST_CMAKE_ARGS}
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    BINARY_DIR "${EXTERNAL_PROJECTS_ROOT}/gtest/build"
    EXCLUDE_FROM_ALL TRUE
    )
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#------------------------------------------------------------------------------
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ExternalProject_Get_Property(ext_gtest SOURCE_DIR BINARY_DIR)
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add_library(libgtest INTERFACE)
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add_dependencies(libgtest ext_gtest ext_gmock)
target_include_directories(libgtest SYSTEM INTERFACE
    ${SOURCE_DIR}/googletest/include
    ${SOURCE_DIR}/googlemock/include)
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if(LINUX OR APPLE)
    target_link_libraries(libgtest INTERFACE
        debug ${GTEST_OUTPUT_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}gtestd${CMAKE_STATIC_LIBRARY_SUFFIX}
        debug ${GMOCK_OUTPUT_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}gmockd${CMAKE_STATIC_LIBRARY_SUFFIX}
        optimized ${GTEST_OUTPUT_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}gtest${CMAKE_STATIC_LIBRARY_SUFFIX}
        optimized ${GMOCK_OUTPUT_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}gmock${CMAKE_STATIC_LIBRARY_SUFFIX})
elseif(WIN32)
    target_link_libraries(libgtest INTERFACE
        debug ${GTEST_OUTPUT_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}gtestd${CMAKE_STATIC_LIBRARY_SUFFIX}
        debug ${GTEST_OUTPUT_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}gmockd${CMAKE_STATIC_LIBRARY_SUFFIX}
        optimized ${GTEST_OUTPUT_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}gtest${CMAKE_STATIC_LIBRARY_SUFFIX}
        optimized ${GTEST_OUTPUT_DIR}/${CMAKE_STATIC_LIBRARY_PREFIX}gmock${CMAKE_STATIC_LIBRARY_SUFFIX})
else()
    message(FATAL_ERROR "libgtest: Unsupported platform.")
endif()