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# Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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# This source code is licensed under both the GPLv2 (found in the
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# COPYING file in the root directory) and Apache 2.0 License
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# (found in the LICENSE.Apache file in the root directory).
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ROOT_DIR = $(abspath $(shell pwd)/../)
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include $(ROOT_DIR)/make_config.mk
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PROTOBUF_CFLAGS = `pkg-config --cflags protobuf`
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PROTOBUF_LDFLAGS = `pkg-config --libs protobuf`
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PROTOBUF_MUTATOR_CFLAGS = `pkg-config --cflags libprotobuf-mutator`
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PROTOBUF_MUTATOR_LDFLAGS = `pkg-config --libs libprotobuf-mutator`
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ROCKSDB_INCLUDE_DIR = $(ROOT_DIR)/include
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ROCKSDB_LIB_DIR = $(ROOT_DIR)
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PROTO_IN = $(ROOT_DIR)/fuzz/proto
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PROTO_OUT = $(ROOT_DIR)/fuzz/proto/gen
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ifneq ($(FUZZ_ENV), ossfuzz)
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CC = clang++
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CCFLAGS += -Wall -fsanitize=address,fuzzer
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CFLAGS += $(PLATFORM_CXXFLAGS) $(PROTOBUF_CFLAGS) $(PROTOBUF_MUTATOR_CFLAGS) -I$(PROTO_OUT) -I$(ROCKSDB_INCLUDE_DIR) -I$(ROCKSDB_LIB_DIR)
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LDFLAGS += $(PLATFORM_LDFLAGS) $(PROTOBUF_LDFLAGS) $(PROTOBUF_MUTATOR_LDFLAGS) -L$(ROCKSDB_LIB_DIR) -lrocksdb
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else
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# OSS-Fuzz sets various environment flags that are used for compilation.
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# These environment flags depend on which type of sanitizer build is being
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# used, however, an ASan build would set the environment flags as follows:
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# CFLAGS="-O1 -fno-omit-frame-pointer -gline-tables-only \
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-DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION -fsanitize=address \
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-fsanitize-address-use-after-scope -fsanitize=fuzzer-no-link"
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# CXXFLAGS="-O1 -fno-omit-frame-pointer -gline-tables-only \
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-DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION -fsanitize=address \
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-fsanitize-address-use-after-scope -fsanitize=fuzzer-no-link \
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-stdlib=libc++"
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# LIB_FUZZING_ENGINE="-fsanitize=fuzzer"
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CC = $(CXX)
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CCFLAGS = $(CXXFLAGS)
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CFLAGS += $(PROTOBUF_CFLAGS) $(PROTOBUF_MUTATOR_CFLAGS) -I$(PROTO_OUT) -I$(ROCKSDB_INCLUDE_DIR) -I$(ROCKSDB_LIB_DIR)
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LDFLAGS += $(PLATFORM_LDFLAGS) $(LIB_FUZZING_ENGINE) $(PROTOBUF_MUTATOR_LDFLAGS) $(PROTOBUF_LDFLAGS) -L$(ROCKSDB_LIB_DIR) -lrocksdb
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endif
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.PHONY: gen_proto
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gen_proto:
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mkdir -p $(PROTO_OUT)
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protoc \
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--proto_path=$(PROTO_IN) \
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--cpp_out=$(PROTO_OUT) \
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$(PROTO_IN)/*.proto
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db_fuzzer: db_fuzzer.cc
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$(CC) $(CCFLAGS) -o db_fuzzer db_fuzzer.cc $(CFLAGS) $(LDFLAGS)
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db_map_fuzzer: gen_proto db_map_fuzzer.cc proto/gen/db_operation.pb.cc
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$(CC) $(CCFLAGS) -o db_map_fuzzer db_map_fuzzer.cc proto/gen/db_operation.pb.cc $(CFLAGS) $(LDFLAGS)
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sst_file_writer_fuzzer: gen_proto sst_file_writer_fuzzer.cc proto/gen/db_operation.pb.cc
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$(CC) $(CCFLAGS) -o sst_file_writer_fuzzer sst_file_writer_fuzzer.cc proto/gen/db_operation.pb.cc $(CFLAGS) $(LDFLAGS)
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