Protobuf use existing deps

Author: ralight

fuzzing/libcommon/Makefile

@@ -15,8 +15,8 @@ LOCAL_CPPFLAGS+=-I${R}/include/ -I/usr/local/include/libprotobuf-mutator -I/src/
 LOCAL_CXXFLAGS+=-g -Wall -Werror -pthread -Wno-deprecated-builtins
 LOCAL_LDFLAGS+=
 LOCAL_LIBADD+=$(LIB_FUZZING_ENGINE) -lssl -lcrypto ${R}/libcommon/libmosquitto_common.a -Wl,-Bstatic -largon2 -Wl,-Bdynamic
-PROTOBUF_LIBS=/usr/local/lib/libprotobuf-mutator-libfuzzer.a /usr/local/lib/libprotobuf-mutator.a /src/libprotobuf-mutator/external.protobuf/lib/libprotobufd.a
-PROTOC?=/src/libprotobuf-mutator/external.protobuf/bin/protoc
+PROTOBUF_LIBS=/usr/local/lib/libprotobuf-mutator-libfuzzer.a /usr/local/lib/libprotobuf-mutator.a -lprotobuf
+PROTOC?=protoc
 
 all: $(FUZZERS)
 

fuzzing/scripts/oss-fuzz-build.sh

@@ -34,7 +34,7 @@ cmake \
 	-DCMAKE_C_COMPILER=clang \
 	-DCMAKE_CXX_COMPILER=clang++ \
 	-DCMAKE_BUILD_TYPE=Debug \
-	-DLIB_PROTO_MUTATOR_DOWNLOAD_PROTOBUF=ON \
+	-DLIB_PROTO_MUTATOR_DOWNLOAD_PROTOBUF=OFF \
 	-DLIB_PROTO_MUTATOR_EXAMPLES=OFF \
 	-DLIB_PROTO_MUTATOR_TESTING=OFF \
 	.

fuzzing/scripts/oss-fuzz-dependencies.sh

@@ -25,8 +25,10 @@ apt-get update && apt-get install -y \
 	libedit-dev \
 	liblzma-dev \
 	libmicrohttpd-dev \
+	libprotobuf-dev \
 	libsqlite3-dev \
 	libtool-bin \
+	protobuf-compiler \
 	make
 git clone https://github.com/google/libprotobuf-mutator ${SRC}/libprotobuf-mutator
 git clone https://github.com/ralight/cJSON ${SRC}/cJSON