oss-fuzz/projects/abseil-cpp/build.sh

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# Copyright 2020 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.
#
################################################################################
export CXXFLAGS="$CXXFLAGS -std=c++14"
readonly EXTRA_BAZEL_FLAGS="$(
for f in ${CFLAGS}; do
echo "--conlyopt=${f}" "--linkopt=${f}"
done
for f in ${CXXFLAGS}; do
echo "--cxxopt=${f}" "--linkopt=${f}"
done
if [ "$SANITIZER" = "undefined" ]
then
# Bazel uses clang to link binary, which does not link clang_rt ubsan library for C++ automatically.
# See issue: https://github.com/bazelbuild/bazel/issues/8777
echo "--linkopt=\"$(find $(llvm-config --libdir) -name libclang_rt.ubsan_standalone_cxx-x86_64.a | head -1)\""
fi
)"
declare FUZZ_TARGETS=("string_escape_fuzzer" "string_utilities_fuzzer")
bazel build \
--verbose_failures \
--dynamic_mode=off \
--spawn_strategy=standalone \
--genrule_strategy=standalone \
--strip=never \
--linkopt=-pthread \
--copt=${LIB_FUZZING_ENGINE} \
--linkopt=${LIB_FUZZING_ENGINE} \
--linkopt=-lc++ \
${EXTRA_BAZEL_FLAGS} \
${FUZZ_TARGETS[*]}
if [ "$SANITIZER" = "coverage" ]
then
# The build invoker looks for sources in $SRC, but it turns out that we need
# to not be buried under src/, paths are expected at out/proc/self/cwd by
# the profiler.
declare -r REMAP_PATH="${OUT}/proc/self/cwd"
mkdir -p "${REMAP_PATH}"
mkdir -p "${REMAP_PATH}/external/com_google_absl"
rsync -av "${SRC}"/abseil-cpp/absl "${REMAP_PATH}/external/com_google_absl"
declare -r RSYNC_FILTER_ARGS=("--include" "*.h" "--include" "*.cc" "--include" \
"*.hpp" "--include" "*.cpp" "--include" "*.c" "--include" "*/" "--exclude" "*")
rsync -avLk "${RSYNC_FILTER_ARGS[@]}" "${SRC}"/bazel-out "${REMAP_PATH}"
rsync -avLkR "${RSYNC_FILTER_ARGS[@]}" "${HOME}" "${OUT}"
rsync -avLkR "${RSYNC_FILTER_ARGS[@]}" /tmp "${OUT}"
cp *fuzzer.cc "${OUT}/proc/self/cwd"
fi
cp "./bazel-bin/"*fuzzer "${OUT}/"