Add build configuration for the orbit project (#4393)

That's a first shot of a build configuration. Works on my machine so
far.

projects/orbit/Dockerfile

@@ -0,0 +1,31 @@
+# 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.
+#
+################################################################################
+
+  #&& curl -SL https://github.com/google/orbit/archive/master.tar.gz \
+FROM gcr.io/oss-fuzz-base/base-builder
+RUN apt-get update && apt-get install -y m4 libglu1-mesa-dev mesa-common-dev \
+  libxmu-dev libxi-dev pkg-config libxxf86vm-dev patchelf
+
+ADD https://github.com/google/orbit/archive/master.tar.gz $SRC/
+RUN mkdir -p $SRC/orbit && tar -xzf $SRC/master.tar.gz \
+  -C $SRC/orbit/ --strip-components 1; rm -f $SRC/master.tar.gz
+WORKDIR $SRC
+COPY build.sh $SRC/
+
+# That's a hack. The service needs to have a more recent kernel than what the
+# container provides. But this code is not going to be called from the fuzz-
+# tests, so we should be fine here.
+ADD https://raw.githubusercontent.com/torvalds/linux/v5.7/include/linux/perf_event.h /usr/include/linux/perf_event.h

projects/orbit/build.sh

@@ -0,0 +1,54 @@
+#!/bin/bash -eu
+# 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.
+#
+################################################################################
+
+#builds project
+export PATH="/root/.local/bin:$PATH"
+$SRC/orbit/bootstrap-orbit.sh --force-public-remotes --dont-compile --ignore-system-requirements
+
+conan profile new default --detect
+conan profile update settings.compiler.libcxx=libc++ default
+conan profile update settings.compiler.fpo=False default
+conan profile update settings.compiler.address_sanitizer=True default
+conan profile update settings.compiler.fuzzer_sanitizer=True default
+
+sed -i 's/\[settings\]/include(libfuzzer_base)\n\n[settings]/' ~/.conan/profiles/default
+echo "CFLAGS=\$BASE_CFLAGS" >> ~/.conan/profiles/default
+echo "CXXFLAGS=\$BASE_CXXFLAGS" >> ~/.conan/profiles/default
+echo "LDFLAGS=\$BASE_LDFLAGS" >> ~/.conan/profiles/default
+echo "OrbitProfiler:CFLAGS=\$BASE_CFLAGS $CFLAGS" >> ~/.conan/profiles/default
+echo "OrbitProfiler:CXXFLAGS=\$BASE_CFLAGS $CXXFLAGS" >> ~/.conan/profiles/default
+echo "llvm:CFLAGS=\$BASE_CFLAGS $CFLAGS" >> ~/.conan/profiles/default
+echo "llvm:CXXFLAGS=\$BASE_CXXFLAGS $CXXFLAGS" >> ~/.conan/profiles/default
+
+$SRC/orbit/build.sh default
+
+function copy_fuzzer {
+  mkdir -p "$OUT/lib"
+  cp -v "$1" "$OUT/"
+  patchelf --set-rpath '$ORIGIN/lib' "$OUT/$(basename "$1")"
+
+  ldd "$1" | grep '=>' | cut -d ' ' -f 3 | while read lib; do
+    if [[ -f $lib ]]; then
+      cp -v "$lib" "$OUT/lib/"
+      patchelf --set-rpath '$ORIGIN' "$OUT/lib/$(basename "$lib")"
+    fi
+  done
+}
+
+find $SRC/build_default/bin -name \*Fuzzer | while read fuzzer; do
+  copy_fuzzer "$fuzzer"
+done

projects/orbit/project.yaml

@@ -1,7 +1,7 @@
 homepage: "https://github.com/google/orbit"
 language: c++
 primary_contact: "hebecker@google.com"
-auto_ccs :
+auto_ccs:
   - "orbitprofiler-eng+fuzztests@google.com"
 
 fuzzing_engines: