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77 lines
2.5 KiB
77 lines
2.5 KiB
#!/bin/bash -eu
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# Copyright 2019 Google Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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################################################################################
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# Mostly copied from
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# https://github.com/google/oss-fuzz/blob/7f8013db108e62727fba1c3cbcccac07d543682b/projects/grpc/build.sh
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# Copy $CFLAGS and $CXXFLAGS into Bazel command-line flags, for both
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# compilation and linking.
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#
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# Some flags, such as `-stdlib=libc++`, generate warnings if used on a C source
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# file. Since the build runs with `-Werror` this will cause it to break, so we
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# use `--conlyopt` and `--cxxopt` instead of `--copt`.
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readonly EXTRA_BAZEL_FLAGS="$(
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for f in ${CFLAGS}; do
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echo "--conlyopt=${f}" "--linkopt=${f}"
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done
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for f in ${CXXFLAGS}; do
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echo "--cxxopt=${f}" "--linkopt=${f}"
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done
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if [ "${SANITIZER}" = "undefined" ]
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then
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# Bazel uses clang to link binary, which does not link clang_rt ubsan library for C++ automatically.
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# See issue: https://github.com/bazelbuild/bazel/issues/8777
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echo "--linkopt=$(find $(llvm-config --libdir) -name libclang_rt.ubsan_standalone_cxx-x86_64.a | head -1)"
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fi
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)"
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# Temporary hack, see https://github.com/google/oss-fuzz/issues/383
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readonly NO_VPTR='--copt=-fno-sanitize=vptr --linkopt=-fno-sanitize=vptr'
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readonly FUZZER_TARGETS=()
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readonly ENABLED=false
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if [ "$ENABLED" = true ]; then
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bazel build \
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--client_env=CC=${CC} \
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--client_env=CXX=${CXX} \
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--dynamic_mode=off \
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--spawn_strategy=standalone \
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--genrule_strategy=standalone \
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${NO_VPTR} \
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--strip=never \
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--linkopt=-lc++ \
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--linkopt=-pthread \
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--cxxopt=-std=c++11 \
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--copt=${LIB_FUZZING_ENGINE} \
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--linkopt=${LIB_FUZZING_ENGINE} \
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--remote_cache=https://storage.googleapis.com/oak-bazel-cache \
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--remote_upload_local_results=false \
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${EXTRA_BAZEL_FLAGS} \
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${FUZZER_TARGETS[@]}
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for target in ${FUZZER_TARGETS}; do
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# Replace : with /.
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fuzzer_name="${target/:/\/}"
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cp "./bazel-bin/${fuzzer_name}" "${OUT}/"
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done
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# Cleanup bazel- symlinks to avoid oss-fuzz trying to copy out of the build
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# cache.
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rm -f ./bazel-*
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fi
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