mirror of
https://github.com/google/benchmark.git
synced 2024-12-01 07:16:07 +00:00
906749a48e
We're propagating extra warning flags to the gtest build, which can cause it to fail. This patch prevents passing "-Wextra" to gtest, since the library itself doesn't test with that flag.
85 lines
2.9 KiB
CMake
85 lines
2.9 KiB
CMake
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macro(split_list listname)
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string(REPLACE ";" " " ${listname} "${${listname}}")
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endmacro()
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macro(build_external_gtest)
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include(ExternalProject)
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set(GTEST_FLAGS "")
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if (BENCHMARK_USE_LIBCXX)
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if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
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list(APPEND GTEST_FLAGS -stdlib=libc++)
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else()
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message(WARNING "Unsupported compiler (${CMAKE_CXX_COMPILER}) when using libc++")
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endif()
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endif()
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if (BENCHMARK_BUILD_32_BITS)
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list(APPEND GTEST_FLAGS -m32)
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endif()
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if (NOT "${CMAKE_CXX_FLAGS}" STREQUAL "")
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list(APPEND GTEST_FLAGS ${CMAKE_CXX_FLAGS})
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endif()
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string(TOUPPER "${CMAKE_BUILD_TYPE}" GTEST_BUILD_TYPE)
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if ("${GTEST_BUILD_TYPE}" STREQUAL "COVERAGE")
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set(GTEST_BUILD_TYPE "DEBUG")
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endif()
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# FIXME: Since 10/Feb/2017 the googletest trunk has had a bug where
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# -Werror=unused-function fires during the build on OS X. This is a temporary
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# workaround to keep our travis bots from failing. It should be removed
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# once gtest is fixed.
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list(APPEND GTEST_FLAGS "-Wno-unused-function")
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split_list(GTEST_FLAGS)
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ExternalProject_Add(googletest
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EXCLUDE_FROM_ALL ON
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GIT_REPOSITORY https://github.com/google/googletest.git
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GIT_TAG master
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PREFIX "${CMAKE_BINARY_DIR}/googletest"
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INSTALL_DIR "${CMAKE_BINARY_DIR}/googletest"
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CMAKE_CACHE_ARGS
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-DCMAKE_BUILD_TYPE:STRING=${GTEST_BUILD_TYPE}
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-DCMAKE_C_COMPILER:STRING=${CMAKE_C_COMPILER}
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-DCMAKE_CXX_COMPILER:STRING=${CMAKE_CXX_COMPILER}
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-DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR>
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-DCMAKE_CXX_FLAGS:STRING=${GTEST_FLAGS}
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-Dgtest_force_shared_crt:BOOL=ON
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)
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ExternalProject_Get_Property(googletest install_dir)
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add_library(gtest UNKNOWN IMPORTED)
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add_library(gtest_main UNKNOWN IMPORTED)
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set(LIB_SUFFIX "${CMAKE_STATIC_LIBRARY_SUFFIX}")
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set(LIB_PREFIX "${CMAKE_STATIC_LIBRARY_PREFIX}")
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if("${GTEST_BUILD_TYPE}" STREQUAL "DEBUG")
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set(LIB_SUFFIX "d${CMAKE_STATIC_LIBRARY_SUFFIX}")
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endif()
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file(MAKE_DIRECTORY ${install_dir}/include)
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set_target_properties(gtest PROPERTIES
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IMPORTED_LOCATION ${install_dir}/lib/${LIB_PREFIX}gtest${LIB_SUFFIX}
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INTERFACE_INCLUDE_DIRECTORIES ${install_dir}/include
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)
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set_target_properties(gtest_main PROPERTIES
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IMPORTED_LOCATION ${install_dir}/lib/${LIB_PREFIX}gtest_main${LIB_SUFFIX}
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INTERFACE_INCLUDE_DIRECTORIES ${install_dir}/include
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)
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add_dependencies(gtest googletest)
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add_dependencies(gtest_main googletest)
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set(GTEST_BOTH_LIBRARIES gtest gtest_main)
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#set(GTEST_INCLUDE_DIRS ${install_dir}/include)
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endmacro(build_external_gtest)
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if (BENCHMARK_ENABLE_GTEST_TESTS)
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if (IS_DIRECTORY ${CMAKE_SOURCE_DIR}/googletest)
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set(INSTALL_GTEST OFF CACHE INTERNAL "")
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set(INSTALL_GMOCK OFF CACHE INTERNAL "")
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add_subdirectory(${CMAKE_SOURCE_DIR}/googletest)
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set(GTEST_BOTH_LIBRARIES gtest gtest_main)
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elseif(BENCHMARK_DOWNLOAD_DEPENDENCIES)
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build_external_gtest()
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else()
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find_package(GTest REQUIRED)
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endif()
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endif()
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