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[compiler-rt] [Darwin] libFuzzer tests should use darwin_filter_host_archs #160578

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[compiler-rt] [Darwin] libFuzzer tests should use darwin_filter_host_archs #160578

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[compiler-rt] [Darwin] [libfuzzer] Darwin libFuzzer tests should use …
ndrewh Sep 23, 2025
76ba012
format
ndrewh Sep 24, 2025
142142c
Don't define FUZZER_TEST_ARCH twice
ndrewh Oct 6, 2025
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88 changes: 47 additions & 41 deletions compiler-rt/lib/fuzzer/tests/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -63,51 +63,57 @@ if ("-fvisibility=hidden" IN_LIST LIBFUZZER_CFLAGS)
list(APPEND LIBFUZZER_UNITTEST_CFLAGS "-fvisibility=hidden")
endif()

if(COMPILER_RT_DEFAULT_TARGET_ARCH IN_LIST FUZZER_SUPPORTED_ARCH)
# libFuzzer unit tests are only run on the host machine.
set(arch ${COMPILER_RT_DEFAULT_TARGET_ARCH})

set(LIBFUZZER_TEST_RUNTIME RTFuzzerTest.${arch})
if(COMPILER_RT_CAN_EXECUTE_TESTS)
if(APPLE)
set(LIBFUZZER_TEST_RUNTIME_OBJECTS
$<TARGET_OBJECTS:RTfuzzer.osx>)
darwin_filter_host_archs(FUZZER_SUPPORTED_ARCH FUZZER_TEST_ARCH)
else()
set(LIBFUZZER_TEST_RUNTIME_OBJECTS
$<TARGET_OBJECTS:RTfuzzer.${arch}>)
# libFuzzer unit tests are only run on the host machine.
set(FUZZER_TEST_ARCH ${COMPILER_RT_DEFAULT_TARGET_ARCH})
endif()
add_library(${LIBFUZZER_TEST_RUNTIME} STATIC
${LIBFUZZER_TEST_RUNTIME_OBJECTS})
set_target_properties(${LIBFUZZER_TEST_RUNTIME} PROPERTIES
ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
FOLDER "Compiler-RT/Tests/Runtime")

if(CMAKE_SYSTEM_NAME STREQUAL "Linux" AND
COMPILER_RT_LIBCXX_PATH AND
COMPILER_RT_LIBCXXABI_PATH)
file(GLOB libfuzzer_headers ../*.h)
set(LIBFUZZER_TEST_RUNTIME_DEPS libcxx_fuzzer_${arch}-install-cmake326-workaround ${libfuzzer_headers})
set(LIBFUZZER_TEST_RUNTIME_CFLAGS -isystem ${LIBCXX_${arch}_PREFIX}/include/c++/v1)
set(LIBFUZZER_TEST_RUNTIME_LINK_FLAGS ${LIBCXX_${arch}_PREFIX}/lib/libc++.a)
endif()
foreach(arch ${FUZZER_TEST_ARCH})
set(LIBFUZZER_TEST_RUNTIME RTFuzzerTest.${arch})
if(APPLE)
set(LIBFUZZER_TEST_RUNTIME_OBJECTS
$<TARGET_OBJECTS:RTfuzzer.osx>)
else()
set(LIBFUZZER_TEST_RUNTIME_OBJECTS
$<TARGET_OBJECTS:RTfuzzer.${arch}>)
endif()
add_library(${LIBFUZZER_TEST_RUNTIME} STATIC
${LIBFUZZER_TEST_RUNTIME_OBJECTS})
set_target_properties(${LIBFUZZER_TEST_RUNTIME} PROPERTIES
ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
FOLDER "Compiler-RT/Tests/Runtime")

if(CMAKE_SYSTEM_NAME STREQUAL "Linux" AND
COMPILER_RT_LIBCXX_PATH AND
COMPILER_RT_LIBCXXABI_PATH)
file(GLOB libfuzzer_headers ../*.h)
set(LIBFUZZER_TEST_RUNTIME_DEPS libcxx_fuzzer_${arch}-install-cmake326-workaround ${libfuzzer_headers})
set(LIBFUZZER_TEST_RUNTIME_CFLAGS -isystem ${LIBCXX_${arch}_PREFIX}/include/c++/v1)
set(LIBFUZZER_TEST_RUNTIME_LINK_FLAGS ${LIBCXX_${arch}_PREFIX}/lib/libc++.a)
endif()

set(FuzzerTestObjects)
generate_compiler_rt_tests(FuzzerTestObjects
FuzzerUnitTests "Fuzzer-${arch}-Test" ${arch}
SOURCES FuzzerUnittest.cpp ${COMPILER_RT_GTEST_SOURCE}
RUNTIME ${LIBFUZZER_TEST_RUNTIME}
DEPS ${LIBFUZZER_TEST_RUNTIME_DEPS}
CFLAGS ${LIBFUZZER_UNITTEST_CFLAGS} ${LIBFUZZER_TEST_RUNTIME_CFLAGS}
LINK_FLAGS ${LIBFUZZER_UNITTEST_LINK_FLAGS} ${LIBFUZZER_TEST_RUNTIME_LINK_FLAGS})
set_target_properties(FuzzerUnitTests PROPERTIES
RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
set(FuzzerTestObjects)
generate_compiler_rt_tests(FuzzerTestObjects
FuzzerUnitTests "Fuzzer-${arch}-Test" ${arch}
SOURCES FuzzerUnittest.cpp ${COMPILER_RT_GTEST_SOURCE}
RUNTIME ${LIBFUZZER_TEST_RUNTIME}
DEPS ${LIBFUZZER_TEST_RUNTIME_DEPS}
CFLAGS ${LIBFUZZER_UNITTEST_CFLAGS} ${LIBFUZZER_TEST_RUNTIME_CFLAGS}
LINK_FLAGS ${LIBFUZZER_UNITTEST_LINK_FLAGS} ${LIBFUZZER_TEST_RUNTIME_LINK_FLAGS})
set_target_properties(FuzzerUnitTests PROPERTIES
RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})

set(FuzzedDataProviderTestObjects)
generate_compiler_rt_tests(FuzzedDataProviderTestObjects
FuzzedDataProviderUnitTests "FuzzerUtils-${arch}-Test" ${arch}
SOURCES FuzzedDataProviderUnittest.cpp ${COMPILER_RT_GTEST_SOURCE}
DEPS ${LIBFUZZER_TEST_RUNTIME_DEPS} ${COMPILER_RT_SOURCE_DIR}/include/fuzzer/FuzzedDataProvider.h
CFLAGS ${LIBFUZZER_UNITTEST_CFLAGS} ${LIBFUZZER_TEST_RUNTIME_CFLAGS}
LINK_FLAGS ${LIBFUZZER_UNITTEST_LINK_FLAGS} ${LIBFUZZER_TEST_RUNTIME_LINK_FLAGS})
set_target_properties(FuzzedDataProviderUnitTests PROPERTIES
RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
set(FuzzedDataProviderTestObjects)
generate_compiler_rt_tests(FuzzedDataProviderTestObjects
FuzzedDataProviderUnitTests "FuzzerUtils-${arch}-Test" ${arch}
SOURCES FuzzedDataProviderUnittest.cpp ${COMPILER_RT_GTEST_SOURCE}
DEPS ${LIBFUZZER_TEST_RUNTIME_DEPS} ${COMPILER_RT_SOURCE_DIR}/include/fuzzer/FuzzedDataProvider.h
CFLAGS ${LIBFUZZER_UNITTEST_CFLAGS} ${LIBFUZZER_TEST_RUNTIME_CFLAGS}
LINK_FLAGS ${LIBFUZZER_UNITTEST_LINK_FLAGS} ${LIBFUZZER_TEST_RUNTIME_LINK_FLAGS})
set_target_properties(FuzzedDataProviderUnitTests PROPERTIES
RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
endforeach()
endif()