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