06cdb3f75e
This provides users of this library the guarantee that the ABI will stay stable when MAJOR will reach 1, and will stay backwards compatible for the entire duration of the 1.x.y branch. It does require the maintainers to always update the version in the Makefile at every ABI change.
213 lines
6.7 KiB
Makefile
213 lines
6.7 KiB
Makefile
#!/usr/bin/make -f
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MAJOR := 0
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MINOR := 1
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PATCH := 0
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VERSION := $(MAJOR).$(MINOR).$(PATCH)
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BUILD_DIR := build
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RELEASE_OPTIMIZE_FLAGS ?= -g -O3
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DEBUG_OPTIMIZE_FLAGS ?= -g -O0
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JS_OPTIMIZE_FLAGS ?= -O3
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FUZZING_OPTIMIZE_FLAGS ?= -O3
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CC = gcc
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EMCC = emcc
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AFL_CC = afl-gcc
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AFL_CXX = afl-g++
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RELEASE_TARGET := $(BUILD_DIR)/libolm.so.$(VERSION)
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RELEASE_SYMLINKS := $(BUILD_DIR)/libolm.so.$(MAJOR) $(BUILD_DIR)/libolm.so
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DEBUG_TARGET := $(BUILD_DIR)/libolm_debug.so.$(VERSION)
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DEBUG_SYMLINKS := $(BUILD_DIR)/libolm_debug.so.$(MAJOR) $(BUILD_DIR)/libolm_debug.so
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JS_TARGET := javascript/olm.js
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JS_EXPORTED_FUNCTIONS := javascript/exported_functions.json
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PUBLIC_HEADERS := include/olm/olm.h include/olm/outbound_group_session.h include/olm/inbound_group_session.h
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SOURCES := $(wildcard src/*.cpp) $(wildcard src/*.c) \
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lib/crypto-algorithms/sha256.c \
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lib/crypto-algorithms/aes.c \
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lib/curve25519-donna/curve25519-donna.c
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FUZZER_SOURCES := $(wildcard fuzzers/fuzz_*.cpp) $(wildcard fuzzers/fuzz_*.c)
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TEST_SOURCES := $(wildcard tests/test_*.cpp) $(wildcard tests/test_*.c)
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OBJECTS := $(patsubst %.c,%.o,$(patsubst %.cpp,%.o,$(SOURCES)))
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RELEASE_OBJECTS := $(addprefix $(BUILD_DIR)/release/,$(OBJECTS))
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DEBUG_OBJECTS := $(addprefix $(BUILD_DIR)/debug/,$(OBJECTS))
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FUZZER_OBJECTS := $(addprefix $(BUILD_DIR)/fuzzers/objects/,$(OBJECTS))
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FUZZER_BINARIES := $(addprefix $(BUILD_DIR)/,$(basename $(FUZZER_SOURCES)))
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FUZZER_DEBUG_BINARIES := $(patsubst $(BUILD_DIR)/fuzzers/fuzz_%,$(BUILD_DIR)/fuzzers/debug_%,$(FUZZER_BINARIES))
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TEST_BINARIES := $(patsubst tests/%,$(BUILD_DIR)/tests/%,$(basename $(TEST_SOURCES)))
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JS_OBJECTS := $(addprefix $(BUILD_DIR)/javascript/,$(OBJECTS))
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JS_PRE := $(wildcard javascript/*pre.js)
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JS_POST := javascript/olm_outbound_group_session.js \
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javascript/olm_inbound_group_session.js \
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javascript/olm_post.js
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CPPFLAGS += -Iinclude -Ilib
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# we rely on <stdint.h>, which was introduced in C99
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CFLAGS += -Wall -Werror -std=c99 -fPIC
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CXXFLAGS += -Wall -Werror -std=c++11 -fPIC
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LDFLAGS += -Wall -Werror
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EMCCFLAGS = --closure 1 --memory-init-file 0 -s NO_FILESYSTEM=1 -s INVOKE_RUN=0
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# NO_BROWSER is kept for compatibility with emscripten 1.35.24, but is no
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# longer needed.
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EMCCFLAGS += -s NO_BROWSER=1
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EMCC.c = $(EMCC) $(CFLAGS) $(CPPFLAGS) -c
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EMCC.cc = $(EMCC) $(CXXFLAGS) $(CPPFLAGS) -c
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EMCC_LINK = $(EMCC) $(LDFLAGS) $(EMCCFLAGS)
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AFL.c = $(AFL_CC) $(CFLAGS) $(CPPFLAGS) -c
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AFL.cc = $(AFL_CXX) $(CXXFLAGS) $(CPPFLAGS) -c
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AFL_LINK.c = $(AFL_CC) $(LDFLAGS) $(CFLAGS) $(CPPFLAGS)
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AFL_LINK.cc = $(AFL_CXX) $(LDFLAGS) $(CXXFLAGS) $(CPPFLAGS)
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# generate .d files when compiling
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CPPFLAGS += -MMD
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### per-target variables
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$(RELEASE_OBJECTS): CFLAGS += $(RELEASE_OPTIMIZE_FLAGS)
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$(RELEASE_OBJECTS): CXXFLAGS += $(RELEASE_OPTIMIZE_FLAGS)
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$(RELEASE_TARGET): LDFLAGS += $(RELEASE_OPTIMIZE_FLAGS)
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$(DEBUG_OBJECTS): CFLAGS += $(DEBUG_OPTIMIZE_FLAGS)
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$(DEBUG_OBJECTS): CXXFLAGS += $(DEBUG_OPTIMIZE_FLAGS)
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$(DEBUG_TARGET): LDFLAGS += $(DEBUG_OPTIMIZE_FLAGS)
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$(TEST_BINARIES): CPPFLAGS += -Itests/include
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$(TEST_BINARIES): LDFLAGS += $(DEBUG_OPTIMIZE_FLAGS) -L$(BUILD_DIR)
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$(FUZZER_OBJECTS): CFLAGS += $(FUZZER_OPTIMIZE_FLAGS)
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$(FUZZER_OBJECTS): CXXFLAGS += $(FUZZER_OPTIMIZE_FLAGS)
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$(FUZZER_BINARIES): CPPFLAGS += -Ifuzzers/include
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$(FUZZER_BINARIES): LDFLAGS += $(FUZZER_OPTIMIZE_FLAGS) -L$(BUILD_DIR)
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$(FUZZER_DEBUG_BINARIES): CPPFLAGS += -Ifuzzers/include
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$(FUZZER_DEBUG_BINARIES): LDFLAGS += $(DEBUG_OPTIMIZE_FLAGS)
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$(JS_OBJECTS): CFLAGS += $(JS_OPTIMIZE_FLAGS)
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$(JS_OBJECTS): CXXFLAGS += $(JS_OPTIMIZE_FLAGS)
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$(JS_TARGET): LDFLAGS += $(JS_OPTIMIZE_FLAGS)
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### top-level targets
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lib: $(RELEASE_TARGET) $(RELEASE_SYMLINKS)
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.PHONY: lib
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$(RELEASE_TARGET): $(RELEASE_OBJECTS)
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$(CXX) $(LDFLAGS) --shared -fPIC \
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-Wl,-soname,libolm.so.$(MAJOR) \
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-Wl,--version-script,version_script.ver \
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$(OUTPUT_OPTION) $(RELEASE_OBJECTS)
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$(RELEASE_SYMLINKS):
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ln -s libolm.so.$(VERSION) $@
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debug: $(DEBUG_TARGET) $(DEBUG_SYMLINKS)
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.PHONY: debug
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$(DEBUG_TARGET): $(DEBUG_OBJECTS)
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$(CXX) $(LDFLAGS) --shared -fPIC \
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-Wl,-soname,libolm_debug.so.$(MAJOR) \
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-Wl,--version-script,version_script.ver \
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$(OUTPUT_OPTION) $(DEBUG_OBJECTS)
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$(DEBUG_SYMLINKS):
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ln -s libolm_debug.so.$(VERSION) $@
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js: $(JS_TARGET)
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.PHONY: js
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$(JS_TARGET): $(JS_OBJECTS) $(JS_PRE) $(JS_POST) $(JS_EXPORTED_FUNCTIONS)
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$(EMCC_LINK) \
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$(foreach f,$(JS_PRE),--pre-js $(f)) \
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$(foreach f,$(JS_POST),--post-js $(f)) \
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-s "EXPORTED_FUNCTIONS=@$(JS_EXPORTED_FUNCTIONS)" \
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$(JS_OBJECTS) -o $@
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build_tests: $(TEST_BINARIES)
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test: build_tests
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for i in $(TEST_BINARIES); do \
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echo $$i; \
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$$i || exit $$?; \
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done
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fuzzers: $(FUZZER_BINARIES) $(FUZZER_DEBUG_BINARIES)
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.PHONY: fuzzers
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$(JS_EXPORTED_FUNCTIONS): $(PUBLIC_HEADERS)
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perl -MJSON -ne '$$f{"_$$1"}=1 if /(olm_[^( ]*)\(/; END { @f=sort keys %f; print encode_json \@f }' $^ > $@.tmp
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mv $@.tmp $@
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all: test js lib debug
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.PHONY: all
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clean:;
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rm -rf $(BUILD_DIR)
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.PHONY: clean
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### rules for building objects
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$(BUILD_DIR)/release/%.o: %.c
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mkdir -p $(dir $@)
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$(COMPILE.c) $(OUTPUT_OPTION) $<
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$(BUILD_DIR)/release/%.o: %.cpp
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mkdir -p $(dir $@)
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$(COMPILE.cc) $(OUTPUT_OPTION) $<
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$(BUILD_DIR)/debug/%.o: %.c
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mkdir -p $(dir $@)
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$(COMPILE.c) $(OUTPUT_OPTION) $<
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$(BUILD_DIR)/debug/%.o: %.cpp
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mkdir -p $(dir $@)
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$(COMPILE.cc) $(OUTPUT_OPTION) $<
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$(BUILD_DIR)/javascript/%.o: %.c
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mkdir -p $(dir $@)
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$(EMCC.c) $(OUTPUT_OPTION) $<
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$(BUILD_DIR)/javascript/%.o: %.cpp
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mkdir -p $(dir $@)
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$(EMCC.cc) $(OUTPUT_OPTION) $<
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$(BUILD_DIR)/tests/%: tests/%.c $(DEBUG_OBJECTS)
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mkdir -p $(dir $@)
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$(LINK.c) $< $(DEBUG_OBJECTS) $(LOADLIBES) $(LDLIBS) -o $@
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$(BUILD_DIR)/tests/%: tests/%.cpp $(DEBUG_OBJECTS)
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mkdir -p $(dir $@)
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$(LINK.cc) $< $(DEBUG_OBJECTS) $(LOADLIBES) $(LDLIBS) -o $@
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$(BUILD_DIR)/fuzzers/objects/%.o: %.c
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mkdir -p $(dir $@)
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$(AFL.c) $(OUTPUT_OPTION) $<
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$(BUILD_DIR)/fuzzers/objects/%.o: %.cpp
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mkdir -p $(dir $@)
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$(AFL.cc) $(OUTPUT_OPTION) $<
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$(BUILD_DIR)/fuzzers/fuzz_%: fuzzers/fuzz_%.c $(FUZZER_OBJECTS)
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$(AFL_LINK.c) $< $(FUZZER_OBJECTS) $(LOADLIBES) $(LDLIBS) -o $@
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$(BUILD_DIR)/fuzzers/fuzz_%: fuzzers/fuzz_%.cpp $(FUZZER_OBJECTS)
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$(AFL_LINK.cc) $< $(FUZZER_OBJECTS) $(LOADLIBES) $(LDLIBS) -o $@
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$(BUILD_DIR)/fuzzers/debug_%: fuzzers/fuzz_%.c $(DEBUG_OBJECTS)
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$(LINK.c) $< $(DEBUG_OBJECTS) $(LOADLIBES) $(LDLIBS) -o $@
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$(BUILD_DIR)/fuzzers/debug_%: fuzzers/fuzz_%.cpp $(DEBUG_OBJECTS)
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$(LINK.cc) $< $(DEBUG_OBJECTS) $(LOADLIBES) $(LDLIBS) -o $@
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### dependencies
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-include $(RELEASE_OBJECTS:.o=.d)
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-include $(DEBUG_OBJECTS:.o=.d)
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-include $(JS_OBJECTS:.o=.d)
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-include $(TEST_BINARIES:=.d)
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-include $(FUZZER_OBJECTS:.o=.d)
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-include $(FUZZER_BINARIES:=.d)
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-include $(FUZZER_DEBUG_BINARIES:=.d)
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