2017-05-13 20:24:17 +00:00
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# Copyright 2017 Google Inc. All Rights Reserved.
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# Licensed under the Apache License, Version 2.0 (the "License");
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# Simple example of a build file that nicely integrates a fuzz target
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# with the rest of the project.
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#
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# We use 'make' as the build system, but these ideas are applicable
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# to any other build system
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2017-06-01 15:44:52 +00:00
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# By default, use our own standalone_fuzz_target_runner.
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2017-05-13 20:24:17 +00:00
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# This runner does no fuzzing, but simply executes the inputs
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# provided via parameters.
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# Run e.g. "make all LIB_FUZZING_ENGINE=/path/to/libFuzzer.a"
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# to link the fuzzer(s) against a real fuzzing engine.
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#
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# OSS-Fuzz will define it's own value for LIB_FUZZING_ENGINE.
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2017-06-01 15:44:52 +00:00
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LIB_FUZZING_ENGINE ?= standalone_fuzz_target_runner.o
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2017-05-13 20:24:17 +00:00
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# Values for CC, CFLAGS, CXX, CXXFLAGS are provided by OSS-Fuzz.
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# Outside of OSS-Fuzz use the ones you prefer or rely on the default values.
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2017-05-16 00:36:20 +00:00
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# Do not use the -fsanitize=* flags by default.
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# OSS-Fuzz will use different -fsanitize=* flags for different builds (asan, ubsan, msan, ...)
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2017-05-13 20:24:17 +00:00
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# You may add extra compiler flags like this:
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CXXFLAGS += -std=c++11
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clean:
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rm -fv *.a *.o *unittest *_fuzzer *_seed_corpus.zip crash-* *.zip
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all: do_stuff_unittest do_stuff_fuzzer
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# Continuos integration system should run "make clean && make check"
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check: all
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./do_stuff_unittest
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./do_stuff_fuzzer do_stuff_test_data/*
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# Unit tests
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do_stuff_unittest: do_stuff_unittest.cpp my_api.a
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${CXX} ${CXXFLAGS} $< my_api.a -o $@
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# Fuzz target, links against $LIB_FUZZING_ENGINE, so that
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# you may choose which fuzzing engine to use.
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2017-06-01 15:44:52 +00:00
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do_stuff_fuzzer: do_stuff_fuzzer.cpp my_api.a standalone_fuzz_target_runner.o
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2017-05-13 20:24:17 +00:00
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${CXX} ${CXXFLAGS} $< my_api.a ${LIB_FUZZING_ENGINE} -o $@
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zip -q -r do_stuff_fuzzer_seed_corpus.zip do_stuff_test_data
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# The library itself.
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my_api.a: my_api.cpp my_api.h
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${CXX} ${CXXFLAGS} $< -c
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ar ruv my_api.a my_api.o
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# The standalone fuzz target runner.
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2017-06-01 15:44:52 +00:00
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standalone_fuzz_target_runner.o: standalone_fuzz_target_runner.cpp
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