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# Copyright (c) 2019, Paul Dreik
# License: see LICENSE.rst in the fmt root directory
# Link in the main function. Useful for reproducing, kcov, gdb, afl, valgrind.
# (Note that libFuzzer can also reproduce, just pass it the files.)
option(FMT_FUZZ_LINKMAIN "Enables the reproduce mode, instead of libFuzzer" On)
# For oss-fuzz - insert $LIB_FUZZING_ENGINE into the link flags, but only for
# the fuzz targets, otherwise the CMake configuration step fails.
set(FMT_FUZZ_LDFLAGS "" CACHE STRING "LDFLAGS for the fuzz targets")
# Adds a binary for reproducing, i.e. no fuzzing, just enables replaying data
# through the fuzzers.
function(add_fuzzer source)
get_filename_component(basename ${source} NAME_WE)
set(name ${basename}-fuzzer)
add_executable(${name} ${source} fuzzer-common.h)
if (FMT_FUZZ_LINKMAIN)
target_sources(${name} PRIVATE main.cc)
endif ()
target_link_libraries(${name} PRIVATE fmt)
if (FMT_FUZZ_LDFLAGS)
target_link_libraries(${name} PRIVATE ${FMT_FUZZ_LDFLAGS})
endif ()
target_compile_features(${name} PRIVATE cxx_generic_lambdas)
endfunction()
foreach (source chrono-duration.cc chrono-timepoint.cc float.cc named-arg.cc one-arg.cc two-args.cc)
add_fuzzer(${source})
endforeach ()
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