tomato/external/toxcore/c-toxcore/cmake/CompileGTest.cmake

63 lines
2.1 KiB
CMake

# Find and compile the GTest library.
include(CheckCXXCompilerFlag)
include(CheckIncludeFileCXX)
message(STATUS "Checking for gtest")
# Look for the sources.
find_file(GTEST_ALL_CC gtest-all.cc PATHS
${CMAKE_SOURCE_DIR}/third_party/googletest/googletest/src
/usr/src/gtest/src
NO_DEFAULT_PATH
)
if(GTEST_ALL_CC)
# ../.. from the source file is the source root.
get_filename_component(GTEST_SRC_DIR ${GTEST_ALL_CC} DIRECTORY)
get_filename_component(GTEST_SRC_ROOT ${GTEST_SRC_DIR} DIRECTORY)
# Look for the header file.
include(CheckIncludeFileCXX)
include_directories(SYSTEM ${GTEST_SRC_ROOT}/include)
check_include_file_cxx("gtest/gtest.h" HAVE_GTEST_GTEST_H)
if(HAVE_GTEST_GTEST_H)
message(STATUS "Found gtest: ${GTEST_SRC_ROOT}")
add_library(gtest
${GTEST_SRC_DIR}/gtest-all.cc
${GTEST_SRC_DIR}/gtest_main.cc)
target_include_directories(gtest PRIVATE ${GTEST_SRC_ROOT})
# Ignore all warnings for gtest. We don't care about their implementation.
check_cxx_compiler_flag("-w" HAVE_CXX_W QUIET)
if(HAVE_CXX_W)
set_target_properties(gtest PROPERTIES COMPILE_FLAGS "-w")
endif()
set(HAVE_GTEST TRUE)
set(TEST_CXX_FLAGS "")
check_cxx_compiler_flag("-Wno-global-constructors" HAVE_CXX_W_NO_GLOBAL_CONSTRUCTORS QUIET)
if(HAVE_CXX_W_NO_GLOBAL_CONSTRUCTORS)
set(TEST_CXX_FLAGS "${TEST_CXX_FLAGS} -Wno-global-constructors")
endif()
check_cxx_compiler_flag("-Wno-zero-as-null-pointer-constant" HAVE_CXX_W_NO_ZERO_AS_NULL_POINTER_CONSTANT QUIET)
if(HAVE_CXX_W_NO_ZERO_AS_NULL_POINTER_CONSTANT)
set(TEST_CXX_FLAGS "${TEST_CXX_FLAGS} -Wno-zero-as-null-pointer-constant")
endif()
endif()
endif()
function(unit_test subdir target)
if(HAVE_GTEST)
add_executable(unit_${target}_test ${subdir}/${target}_test.cc)
target_link_modules(unit_${target}_test toxcore gtest)
set_target_properties(unit_${target}_test PROPERTIES COMPILE_FLAGS "${TEST_CXX_FLAGS}")
add_test(NAME ${target} COMMAND ${CROSSCOMPILING_EMULATOR} unit_${target}_test)
set_property(TEST ${target} PROPERTY ENVIRONMENT "LLVM_PROFILE_FILE=${target}.profraw")
endif()
endfunction()