compiler-rt/lib/fuzzer/tests/CMakeLists.txt

   1 include(CompilerRTCompile)
   2
   3 set(LIBFUZZER_UNITTEST_CFLAGS
   4   ${COMPILER_RT_UNITTEST_CFLAGS}
   5   ${COMPILER_RT_GTEST_CFLAGS}
   6   -I${COMPILER_RT_SOURCE_DIR}/lib/fuzzer
   7   -fno-rtti
   8   -O2)
   9
  10 if (APPLE)
  11   set(FUZZER_SUPPORTED_OS osx)
  12 endif()
  13
  14 add_custom_target(FuzzerUnitTests)
  15 set_target_properties(FuzzerUnitTests PROPERTIES FOLDER "Compiler-RT Tests")
  16
  17 add_custom_target(FuzzedDataProviderUnitTests)
  18 set_target_properties(FuzzedDataProviderUnitTests PROPERTIES FOLDER "Compiler-RT Tests")
  19
  20 set(LIBFUZZER_UNITTEST_LINK_FLAGS ${COMPILER_RT_UNITTEST_LINK_FLAGS})
  21 list(APPEND LIBFUZZER_UNITTEST_LINK_FLAGS --driver-mode=g++)
  22
  23 if(MSVC)
  24   list(APPEND LIBFUZZER_UNITTEST_LINK_FLAGS -Wl,-defaultlib:libcmt,-defaultlib:oldnames)
  25 else()
  26   if (APPLE)
  27     list(APPEND LIBFUZZER_UNITTEST_CFLAGS -isysroot ${DARWIN_osx_SYSROOT})
  28     list(APPEND LIBFUZZER_UNITTEST_LINK_FLAGS -isysroot ${DARWIN_osx_SYSROOT})
  29   endif()
  30   list(APPEND LIBFUZZER_UNITTEST_LINK_FLAGS -lpthread)
  31 endif()
  32
  33 if(CMAKE_SYSTEM_NAME STREQUAL "Linux" AND
  34    COMPILER_RT_LIBCXX_PATH AND
  35    COMPILER_RT_LIBCXXABI_PATH)
  36   list(APPEND LIBFUZZER_UNITTEST_CFLAGS -nostdinc++ -fno-exceptions)
  37   list(APPEND LIBFUZZER_UNITTEST_LINK_FLAGS -nostdlib++ -fno-exceptions)
  38 endif()
  39
  40 if ("-fvisibility=hidden" IN_LIST LIBFUZZER_CFLAGS)
  41   # Match visibility settings.
  42   list(APPEND LIBFUZZER_UNITTEST_CFLAGS "-fvisibility=hidden")
  43 endif()
  44
  45 if(COMPILER_RT_DEFAULT_TARGET_ARCH IN_LIST FUZZER_SUPPORTED_ARCH)
  46   # libFuzzer unit tests are only run on the host machine.
  47   set(arch ${COMPILER_RT_DEFAULT_TARGET_ARCH})
  48
  49   set(LIBFUZZER_TEST_RUNTIME RTFuzzerTest.${arch})
  50   if(APPLE)
  51     set(LIBFUZZER_TEST_RUNTIME_OBJECTS
  52       $<TARGET_OBJECTS:RTfuzzer.osx>)
  53   else()
  54     set(LIBFUZZER_TEST_RUNTIME_OBJECTS
  55       $<TARGET_OBJECTS:RTfuzzer.${arch}>)
  56   endif()
  57   add_library(${LIBFUZZER_TEST_RUNTIME} STATIC
  58     ${LIBFUZZER_TEST_RUNTIME_OBJECTS})
  59   set_target_properties(${LIBFUZZER_TEST_RUNTIME} PROPERTIES
  60     ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
  61     FOLDER "Compiler-RT Runtime tests")
  62
  63   if(CMAKE_SYSTEM_NAME STREQUAL "Linux" AND
  64      COMPILER_RT_LIBCXX_PATH AND
  65      COMPILER_RT_LIBCXXABI_PATH)
  66     file(GLOB libfuzzer_headers ../*.h)
  67     set(LIBFUZZER_TEST_RUNTIME_DEPS libcxx_fuzzer_${arch}-build ${libfuzzer_headers})
  68     set(LIBFUZZER_TEST_RUNTIME_CFLAGS -isystem ${LIBCXX_${arch}_PREFIX}/include/c++/v1)
  69     set(LIBFUZZER_TEST_RUNTIME_LINK_FLAGS ${LIBCXX_${arch}_PREFIX}/lib/libc++.a)
  70   endif()
  71
  72   set(FuzzerTestObjects)
  73   generate_compiler_rt_tests(FuzzerTestObjects
  74     FuzzerUnitTests "Fuzzer-${arch}-Test" ${arch}
  75     SOURCES FuzzerUnittest.cpp ${COMPILER_RT_GTEST_SOURCE}
  76     RUNTIME ${LIBFUZZER_TEST_RUNTIME}
  77     DEPS llvm_gtest ${LIBFUZZER_TEST_RUNTIME_DEPS}
  78     CFLAGS ${LIBFUZZER_UNITTEST_CFLAGS} ${LIBFUZZER_TEST_RUNTIME_CFLAGS}
  79     LINK_FLAGS ${LIBFUZZER_UNITTEST_LINK_FLAGS} ${LIBFUZZER_TEST_RUNTIME_LINK_FLAGS})
  80   set_target_properties(FuzzerUnitTests PROPERTIES
  81     RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
  82
  83   set(FuzzedDataProviderTestObjects)
  84   generate_compiler_rt_tests(FuzzedDataProviderTestObjects
  85     FuzzedDataProviderUnitTests "FuzzerUtils-${arch}-Test" ${arch}
  86     SOURCES FuzzedDataProviderUnittest.cpp ${COMPILER_RT_GTEST_SOURCE}
  87     DEPS llvm_gtest ${LIBFUZZER_TEST_RUNTIME_DEPS} ${COMPILER_RT_SOURCE_DIR}/include/fuzzer/FuzzedDataProvider.h
  88     CFLAGS ${LIBFUZZER_UNITTEST_CFLAGS} ${LIBFUZZER_TEST_RUNTIME_CFLAGS}
  89     LINK_FLAGS ${LIBFUZZER_UNITTEST_LINK_FLAGS} ${LIBFUZZER_TEST_RUNTIME_LINK_FLAGS})
  90   set_target_properties(FuzzedDataProviderUnitTests PROPERTIES
  91     RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
  92 endif()