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# Copyright 2017 Google Inc. All Rights Reserved.
# Licensed under the Apache License, Version 2.0 (the "License");
# Simple example of a build file that nicely integrates a fuzz target
# with the rest of the project.
#
# We use 'make' as the build system, but these ideas are applicable
# to any other build system
# By default, use our own standalone_fuzz_taget_runner.
# This runner does no fuzzing, but simply executes the inputs
# provided via parameters.
# Run e.g. "make all LIB_FUZZING_ENGINE=/path/to/libFuzzer.a"
# to link the fuzzer(s) against a real fuzzing engine.
#
# OSS-Fuzz will define it's own value for LIB_FUZZING_ENGINE.
LIB_FUZZING_ENGINE ?= standalone_fuzz_taget_runner.o
# Values for CC, CFLAGS, CXX, CXXFLAGS are provided by OSS-Fuzz.
# Outside of OSS-Fuzz use the ones you prefer or rely on the default values.
# You may add extra compiler flags like this:
CXXFLAGS += -std=c++11
clean:
rm -fv *.a *.o *unittest *_fuzzer *_seed_corpus.zip crash-* *.zip
all: do_stuff_unittest do_stuff_fuzzer
# Continuos integration system should run "make clean && make check"
check: all
./do_stuff_unittest
./do_stuff_fuzzer do_stuff_test_data/*
# Unit tests
do_stuff_unittest: do_stuff_unittest.cpp my_api.a
${CXX} ${CXXFLAGS} $< my_api.a -o $@
# Fuzz target, links against $LIB_FUZZING_ENGINE, so that
# you may choose which fuzzing engine to use.
do_stuff_fuzzer: do_stuff_fuzzer.cpp my_api.a standalone_fuzz_taget_runner.o
${CXX} ${CXXFLAGS} $< my_api.a ${LIB_FUZZING_ENGINE} -o $@
zip -q -r do_stuff_fuzzer_seed_corpus.zip do_stuff_test_data
# The library itself.
my_api.a: my_api.cpp my_api.h
${CXX} ${CXXFLAGS} $< -c
ar ruv my_api.a my_api.o
# The standalone fuzz target runner.
standalone_fuzz_taget_runner.o: standalone_fuzz_taget_runner.cpp
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