#!/bin/bash

set -euo pipefail

$SRC/perfetto/tools/install-build-deps

mkdir -p $WORK/build

# sanitize=vptr needs RTTI, which we do not compile with.
CXXFLAGS="$CXXFLAGS -fno-sanitize=vptr"

GN_ARGS="is_clang=true is_debug=false is_fuzzer=true use_libfuzzer=false \
link_fuzzer=\"-lFuzzingEngine\" is_hermetic_clang=false \
use_custom_libcxx=false \
extra_cflags=\"$CFLAGS -Wno-implicit-int-float-conversion\" \
extra_cxxflags=\"$CXXFLAGS\" extra_ldflags=\"$CXXFLAGS\" \
is_system_compiler=true cc=\"$CC\" cxx=\"$CXX\" linker=\"gold\""

if [ "$SANITIZER" = "address" ]; then
  GN_ARGS="$GN_ARGS is_asan=true";
fi;

OUTDIR=$WORK/build
$SRC/perfetto/tools/gn gen "$OUTDIR" --args="${GN_ARGS}" --check

$SRC/perfetto/tools/ninja -C $WORK/build fuzzers -v
cp $WORK/build/*fuzzer $OUT
mkdir -p $OUT/src/traced/probes/ftrace/test/data
cp -a $SRC/perfetto/src/traced/probes/ftrace/test/data/synthetic \
  $OUT/src/traced/probes/ftrace/test/data

if [ "$SANITIZER" = "undefined" ]; then
  rm $OUT/trace_processor_fuzzer
fi;