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#!/bin/bash -eu
# Copyright 2021 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
################################################################################
build_args=(
-G Ninja
-DBUILD_TESTING=OFF
-DJPEGXL_ENABLE_BENCHMARK=OFF
-DJPEGXL_ENABLE_DEVTOOLS=ON
-DJPEGXL_ENABLE_EXAMPLES=OFF
-DJPEGXL_ENABLE_FUZZERS=ON
-DJPEGXL_ENABLE_MANPAGES=OFF
-DJPEGXL_ENABLE_SJPEG=OFF
-DJPEGXL_ENABLE_VIEWERS=OFF
-DCMAKE_BUILD_TYPE=Release
)
# Build and generate a fuzzer corpus in release mode without instrumentation.
# This is done in a subshell since we change the environment.
(
unset CFLAGS
unset CXXFLAGS
export AFL_NOOPT=1
mkdir -p ${WORK}/libjxl-corpus
cd ${WORK}/libjxl-corpus
cmake "${build_args[@]}" "${SRC}/libjxl"
ninja clean
ninja fuzzer_corpus
# Generate a fuzzer corpus.
mkdir -p djxl_fuzzer_corpus
tools/fuzzer_corpus -q -r djxl_fuzzer_corpus
zip -q -j "${OUT}/djxl_fuzzer_seed_corpus.zip" djxl_fuzzer_corpus/*
)
# Build the fuzzers in release mode but force the inclusion of JXL_DASSERT()
# checks.
export CXXFLAGS="${CXXFLAGS} -DJXL_IS_DEBUG_BUILD=1"
mkdir -p ${WORK}/libjxl-fuzzer
cd ${WORK}/libjxl-fuzzer
cmake \
"${build_args[@]}" \
-DJPEGXL_FUZZER_LINK_FLAGS="${LIB_FUZZING_ENGINE}" \
"${SRC}/libjxl"
fuzzers=(
color_encoding_fuzzer
djxl_fuzzer
fields_fuzzer
icc_codec_fuzzer
rans_fuzzer
)
ninja clean
ninja "${fuzzers[@]}"
for fuzzer in "${fuzzers[@]}"; do
cp tools/${fuzzer} "${OUT}/"
done
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