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ossfuzz: Create a separate cmake toolchain file for ossfuzz so that multiple fuzzing backends may be used

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Bhargava Shastry
2019-09-16 18:35:15 +02:00
parent 2d601a4f23
commit 48da5f07a5
3 changed files with 26 additions and 13 deletions
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cmake/toolchains/libfuzzer.cmake
+6 -4
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@@ -1,9 +1,11 @@
# Inherit default options
include("${CMAKE_CURRENT_LIST_DIR}/default.cmake")
# Disable Z3 and CVC4 since none of the existing fuzzers need them
set(USE_Z3 OFF CACHE BOOL "" FORCE)
set(USE_CVC4 OFF CACHE BOOL "" FORCE)
set(USE_Z3 OFF CACHE BOOL "Disable Z3" FORCE)
set(USE_CVC4 OFF CACHE BOOL "Disable CVC4" FORCE)
# Build fuzzing binaries
set(OSSFUZZ 1)
set(OSSFUZZ ON CACHE BOOL "Enable fuzzer build" FORCE)
# Use libfuzzer as the fuzzing back-end
set(LIB_FUZZING_ENGINE "-fsanitize=fuzzer" CACHE STRING "Use libfuzzer back-end" FORCE)
# clang/libfuzzer specific flags for ASan instrumentation
set(CMAKE_CXX_FLAGS "-O1 -gline-tables-only -fsanitize=address -fsanitize-address-use-after-scope -fsanitize=fuzzer-no-link -stdlib=libstdc++")
set(CMAKE_CXX_FLAGS "-O1 -gline-tables-only -fsanitize=address -fsanitize-address-use-after-scope -fsanitize=fuzzer-no-link -stdlib=libstdc++" CACHE STRING "Custom compilation flags" FORCE)