lz4

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# ##########################################################################
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# LZ4 oss fuzzer - Makefile
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#
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# GPL v2 License
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# You can contact the author at :
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#  - LZ4 homepage : http://www.lz4.org
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#  - LZ4 source repository : https://github.com/lz4/lz4
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# ##########################################################################
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# compress_fuzzer : OSS Fuzz test tool
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# decompress_fuzzer : OSS Fuzz test tool
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# ##########################################################################
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LZ4DIR  := ../lib
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LIB_FUZZING_ENGINE ?=
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DEBUGLEVEL?= 1
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DEBUGFLAGS = -g -DLZ4_DEBUG=$(DEBUGLEVEL)
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LZ4_CFLAGS  = $(CFLAGS) $(DEBUGFLAGS) $(MOREFLAGS)
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LZ4_CXXFLAGS = $(CXXFLAGS) $(DEBUGFLAGS) $(MOREFLAGS)
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LZ4_CPPFLAGS = $(CPPFLAGS) -I$(LZ4DIR) -DXXH_NAMESPACE=LZ4_ \
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               -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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FUZZERS := \
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	compress_fuzzer \
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	decompress_fuzzer \
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	round_trip_fuzzer \
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	round_trip_stream_fuzzer \
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	compress_hc_fuzzer \
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	round_trip_hc_fuzzer \
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	compress_frame_fuzzer \
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	round_trip_frame_fuzzer \
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	round_trip_frame_uncompressed_fuzzer \
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	decompress_frame_fuzzer
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.PHONY: all
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all: $(FUZZERS)
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# Include a rule to build the static library if calling this target
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# directly.
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$(LZ4DIR)/liblz4.a:
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	$(MAKE) -C $(LZ4DIR) CFLAGS="$(LZ4_CFLAGS)" liblz4.a
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%.o: %.c
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	$(CC) -c $(LZ4_CFLAGS) $(LZ4_CPPFLAGS) $< -o $@
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# Generic rule for generating fuzzers
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ifeq ($(LIB_FUZZING_ENGINE),)
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  LIB_FUZZING_DEPS := standaloneengine.o
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else
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  LIB_FUZZING_DEPS :=
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endif
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%_fuzzer: %_fuzzer.o lz4_helpers.o fuzz_data_producer.o $(LZ4DIR)/liblz4.a $(LIB_FUZZING_DEPS)
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	$(CXX) $(LZ4_CXXFLAGS) $(LZ4_CPPFLAGS) $(LDFLAGS) $(LIB_FUZZING_ENGINE) $^ -o $@$(EXT)
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%_fuzzer_clean:
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	$(RM) $*_fuzzer $*_fuzzer.o standaloneengine.o
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.PHONY: clean
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clean: compress_fuzzer_clean decompress_fuzzer_clean \
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	compress_frame_fuzzer_clean compress_hc_fuzzer_clean \
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	decompress_frame_fuzzer_clean round_trip_frame_fuzzer_clean \
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	round_trip_fuzzer_clean round_trip_hc_fuzzer_clean round_trip_stream_fuzzer_clean
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	$(MAKE) -C $(LZ4DIR) clean
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