json/benchmarks/thirdparty/benchmark/cmake/HandleGTest.cmake
Gregorio Litenstein e8427061a0 Thirdparty benchmark: Fix Clang detection.
CMake 3.0+ refers to macOS’ Clang as AppleClang, which would fail a STREQUAL check. Fixed by changing it to MATCHES.
2018-10-05 02:01:43 -03:00

79 lines
2.7 KiB
CMake

macro(split_list listname)
string(REPLACE ";" " " ${listname} "${${listname}}")
endmacro()
macro(build_external_gtest)
include(ExternalProject)
set(GTEST_FLAGS "")
if (BENCHMARK_USE_LIBCXX)
if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
list(APPEND GTEST_FLAGS -stdlib=libc++)
else()
message(WARNING "Unsupported compiler (${CMAKE_CXX_COMPILER}) when using libc++")
endif()
endif()
if (BENCHMARK_BUILD_32_BITS)
list(APPEND GTEST_FLAGS -m32)
endif()
if (NOT "${CMAKE_CXX_FLAGS}" STREQUAL "")
list(APPEND GTEST_FLAGS ${CMAKE_CXX_FLAGS})
endif()
string(TOUPPER "${CMAKE_BUILD_TYPE}" GTEST_BUILD_TYPE)
if ("${GTEST_BUILD_TYPE}" STREQUAL "COVERAGE")
set(GTEST_BUILD_TYPE "DEBUG")
endif()
split_list(GTEST_FLAGS)
ExternalProject_Add(googletest
EXCLUDE_FROM_ALL ON
GIT_REPOSITORY https://github.com/google/googletest.git
GIT_TAG master
PREFIX "${CMAKE_BINARY_DIR}/googletest"
INSTALL_DIR "${CMAKE_BINARY_DIR}/googletest"
CMAKE_CACHE_ARGS
-DCMAKE_BUILD_TYPE:STRING=${GTEST_BUILD_TYPE}
-DCMAKE_C_COMPILER:STRING=${CMAKE_C_COMPILER}
-DCMAKE_CXX_COMPILER:STRING=${CMAKE_CXX_COMPILER}
-DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR>
-DCMAKE_CXX_FLAGS:STRING=${GTEST_FLAGS}
-Dgtest_force_shared_crt:BOOL=ON
)
ExternalProject_Get_Property(googletest install_dir)
add_library(gtest UNKNOWN IMPORTED)
add_library(gtest_main UNKNOWN IMPORTED)
set(LIB_SUFFIX "${CMAKE_STATIC_LIBRARY_SUFFIX}")
set(LIB_PREFIX "${CMAKE_STATIC_LIBRARY_PREFIX}")
if("${GTEST_BUILD_TYPE}" STREQUAL "DEBUG")
set(LIB_SUFFIX "d${CMAKE_STATIC_LIBRARY_SUFFIX}")
endif()
file(MAKE_DIRECTORY ${install_dir}/include)
set_target_properties(gtest PROPERTIES
IMPORTED_LOCATION ${install_dir}/lib/${LIB_PREFIX}gtest${LIB_SUFFIX}
INTERFACE_INCLUDE_DIRECTORIES ${install_dir}/include
)
set_target_properties(gtest_main PROPERTIES
IMPORTED_LOCATION ${install_dir}/lib/${LIB_PREFIX}gtest_main${LIB_SUFFIX}
INTERFACE_INCLUDE_DIRECTORIES ${install_dir}/include
)
add_dependencies(gtest googletest)
add_dependencies(gtest_main googletest)
set(GTEST_BOTH_LIBRARIES gtest gtest_main)
#set(GTEST_INCLUDE_DIRS ${install_dir}/include)
endmacro(build_external_gtest)
if (BENCHMARK_ENABLE_GTEST_TESTS)
if (IS_DIRECTORY ${CMAKE_SOURCE_DIR}/googletest)
set(INSTALL_GTEST OFF CACHE INTERNAL "")
set(INSTALL_GMOCK OFF CACHE INTERNAL "")
add_subdirectory(${CMAKE_SOURCE_DIR}/googletest)
set(GTEST_BOTH_LIBRARIES gtest gtest_main)
elseif(BENCHMARK_DOWNLOAD_DEPENDENCIES)
build_external_gtest()
else()
find_package(GTest REQUIRED)
endif()
endif()