mirror of https://github.com/google/oss-fuzz.git
85 lines
2.7 KiB
Bash
85 lines
2.7 KiB
Bash
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#!/bin/bash
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# Copyright 2020 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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# If you ran this script as root against a local checkout, you may need to do
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# the following to restore the Pigweed build environment before continuing
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# development:
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# $ cd $PW_ROOT
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# $ sudo rm -rf .cipd/ .python3-env/ out/
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# $ git reset --hard
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# $ source ./bootstrap.sh
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PW_ROOT="$SRC/pigweed"
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BUILDROOT="$PW_ROOT/out/oss-fuzz"
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mkdir -p $BUILDROOT
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# Tweak the ensure file to skip downloading a bunch of build environment pieces
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# that we won't use and/or that OSS-Fuzz wants to provide itself.
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python $SRC/filter_cipd.py \
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--root "$PW_ROOT" \
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--json "$PW_ROOT/pw_env_setup/py/pw_env_setup/cipd_setup/pigweed.json" \
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--excludes \
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infra/cmake \
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fuchsia/third_party/bazel \
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pigweed/third_party/bloaty-embedded \
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pigweed/third_party/gcc-arm-none-eabi \
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fuchsia/third_party/clang \
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infra/go \
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pigweed/third_party/protoc-gen-go \
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pigweed/third_party/openocd \
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fuchsia/rust \
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pigweed/third_party/mingw64-x86_64-win32-seh \
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pigweed/host_tools \
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infra/goma/client \
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fuchsia/third_party/qemu \
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pigweed/third_party/kythe
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# Pigweed checks that it can find these as part of a "sanity check".
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mkdir -p "$PW_ROOT/.cipd/pigweed/bin"
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for b in arm-none-eabi-gcc bazel bloaty ; do
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x="$PW_ROOT/.cipd/pigweed/bin/$b"
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if [[ ! -x $x ]] ; then
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ln -s "$(which false)" "$x"
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fi
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done
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# Setup the Pigweed build environemnt
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set +u
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PW_ENVSETUP_QUIET=1 source "$PW_ROOT/bootstrap.sh"
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set -u
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# -stdlib=libc++ conflicts with the -nostdinc++ used on pw_minimal_cpp_stdlib.
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EXTRA_CXXFLAGS="-Wno-unused-command-line-argument"
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# Disable UBSan vptr since target built with -fno-rtti.
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EXTRA_CXXFLAGS+=" -fno-sanitize=vptr"
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# Build!
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CXXFLAGS="$CXXFLAGS $EXTRA_CXXFLAGS" \
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gn gen "$BUILDROOT" \
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--root="$PW_ROOT" \
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--args="oss_fuzz_enabled=true
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pw_target_toolchain=\"//pw_toolchain:host_clang_og\"
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pw_sanitizer=\"$SANITIZER\""
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ninja -C "$BUILDROOT"
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# Use build-generated metadata to identify available fuzzers
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python "$SRC/extract_pw_fuzzers.py" --buildroot "$BUILDROOT" --out "$OUT/"
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