mirror of
https://github.com/ElementsProject/lightning.git
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eed73082f5
By using fuzzer instrumentation for dependencies, we get more coverage signal during fuzzing. This is useful when the fuzzer must figure out how to take certain branches in a dependency. In our case, the fuzz-bip32 target was failing to create a data buffer that successfully passed fromwire_ext_key() parsing because the fuzzer couldn't see what was happening inside libwally-core.
137 lines
6 KiB
Makefile
137 lines
6 KiB
Makefile
SUBMODULES = \
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external/libsodium \
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external/libwally-core \
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external/gheap \
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external/jsmn \
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external/libbacktrace \
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external/lnprototest
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ifeq ($(HAVE_LOWDOWN),0)
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SUBMODULES += external/lowdown
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endif
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TOP := ../..
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ifdef BUILD
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CROSSCOMPILE_OPTS := --host="$(MAKE_HOST)" --build="$(BUILD)"
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TARGET_DIR := external/$(MAKE_HOST)
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else
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TARGET_DIR := external/$(shell ${CC} -dumpmachine)
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endif
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LIBSODIUM_HEADERS := external/libsodium/src/libsodium/include/sodium.h
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LIBWALLY_HEADERS := external/libwally-core/include/wally_bip32.h \
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external/libwally-core/include/wally_core.h \
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external/libwally-core/include/wally_psbt.h \
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external/libwally-core/include/wally_crypto.h
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LIBSECP_HEADERS := external/libwally-core/src/secp256k1/include/secp256k1_ecdh.h \
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external/libwally-core/src/secp256k1/include/secp256k1_recovery.h \
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external/libwally-core/src/secp256k1/include/secp256k1.h
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JSMN_HEADERS := external/jsmn/jsmn.h
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GHEAP_HEADERS := external/gheap/gheap.h
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LIBBACKTRACE_HEADERS := external/libbacktrace/backtrace.h
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EXTERNAL_HEADERS := $(LIBSODIUM_HEADERS) $(LIBWALLY_HEADERS) $(LIBSECP_HEADERS) $(JSMN_HEADERS) $(GHEAP_HEADERS) $(LIBBACKTRACE_HEADERS)
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EXTERNAL_LIBS := ${TARGET_DIR}/libwallycore.a ${TARGET_DIR}/libsecp256k1.a ${TARGET_DIR}/libjsmn.a ${TARGET_DIR}/libbacktrace.a
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ifeq ($(HAVE_LOWDOWN),0)
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EXTERNAL_HEADERS += external/lowdown/lowdown.h
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endif
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EXTERNAL_INCLUDE_FLAGS := \
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-I external/libwally-core/include/ \
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-I external/libwally-core/src/secp256k1/include/ \
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-I external/jsmn/ \
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-I external/libbacktrace/ \
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-I external/gheap/ \
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-I ${TARGET_DIR}/libbacktrace-build
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ifneq ($(HAVE_GOOD_LIBSODIUM),1)
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EXTERNAL_INCLUDE_FLAGS += -I external/libsodium/src/libsodium/include \
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-I external/libsodium/src/libsodium/include/sodium \
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-I $(TARGET_DIR)/libsodium-build/src/libsodium/include
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EXTERNAL_LIBS += ${TARGET_DIR}/libsodium.a
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else
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LDLIBS += -lsodium
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endif
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EXTERNAL_LDLIBS := -L${TARGET_DIR} $(patsubst lib%.a,-l%,$(notdir $(EXTERNAL_LIBS)))
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submodcheck: $(FORCE)
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ifneq ($(VERSION),)
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@tools/refresh-submodules.sh $(SUBMODULES)
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@cd external/libwally-core && ../../tools/refresh-submodules.sh src/secp256k1
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endif
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$(EXTERNAL_HEADERS): submodcheck
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# We build libsodium, since Ubuntu xenial has one too old.
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$(TARGET_DIR)/libsodium.a: $(TARGET_DIR)/libsodium-build/src/libsodium/libsodium.la
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$(MAKE) -C $(TARGET_DIR)/libsodium-build DESTDIR=$$(pwd)/$(TARGET_DIR) install-exec
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$(TARGET_DIR)/libsodium-build/src/libsodium/libsodium.la: external/libsodium/src/libsodium/include/sodium.h
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cd external/libsodium && ./autogen.sh
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mkdir -p ${TARGET_DIR}/libsodium-build
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cd $(TARGET_DIR)/libsodium-build && $(TOP)/libsodium/configure CC="$(CC)" CFLAGS="$(FUZZFLAGS)" LDFLAGS="$(FUZZFLAGS)" --enable-static=yes $(CROSSCOMPILE_OPTS) --enable-shared=no --prefix=/ --libdir=/ && $(MAKE)
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# libsecp included in libwally.
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# Wildcards here are magic. See http://stackoverflow.com/questions/2973445/gnu-makefile-rule-generating-a-few-targets-from-a-single-source-file
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$(TARGET_DIR)/libsecp256k1.% $(TARGET_DIR)/libwallycore.%: $(TARGET_DIR)/libwally-core-build/src/secp256k1/libsecp256k1.la $(TARGET_DIR)/libwally-core-build/src/libwallycore.la
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$(MAKE) -C $(TARGET_DIR)/libwally-core-build DESTDIR=$$(pwd)/$(TARGET_DIR) install-exec
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# Build libwally-core.
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$(TARGET_DIR)/libwally-core-build/src/libwallycore.% $(TARGET_DIR)/libwally-core-build/src/secp256k1/libsecp256k1.%: $(LIBWALLY_HEADERS) $(LIBSECP_HEADERS)
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cd external/libwally-core && ./tools/autogen.sh
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mkdir -p ${TARGET_DIR}/libwally-core-build
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cd ${TARGET_DIR}/libwally-core-build \
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&& PYTHON_VERSION=3 CFLAGS="-std=c99 $(FUZZFLAGS)" LDFLAGS="$(FUZZFLAGS)" ${TOP}/libwally-core/configure CC="$(CC)" \
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--enable-static=yes \
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$(CROSSCOMPILE_OPTS) \
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--enable-module-recovery \
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--enable-module-extrakeys \
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--enable-module-schnorrsig \
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--enable-elements \
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--enable-shared=no \
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--prefix=/ \
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--libdir=/ \
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--enable-debug \
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&& $(MAKE)
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# If we tell Make that the above builds both, it runs it twice in
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# parallel. So we lie :(
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external/jsmn/jsmn.c: external/jsmn/jsmn.h
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[ -f $@ ]
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$(TARGET_DIR)/jsmn-build/jsmn.o: external/jsmn/jsmn.c Makefile
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@mkdir -p $(@D)
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$(COMPILE.c) -DJSMN_STRICT=1 -o $@ $<
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$(TARGET_DIR)/libjsmn.a: $(TARGET_DIR)/jsmn-build/jsmn.o
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$(AR) rc $@ $<
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# Need separate build dir: changes inside submodule make git think it's dirty.
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$(TARGET_DIR)/libbacktrace.a: external/libbacktrace/backtrace.h
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mkdir -p $(TARGET_DIR)/libbacktrace-build
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cd $(TARGET_DIR)/libbacktrace-build && $(TOP)/libbacktrace/configure CC="$(CC)" --enable-static=yes $(CROSSCOMPILE_OPTS) --enable-shared=no --prefix=/ --libdir=/ && $(MAKE)
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$(MAKE) -C $(TARGET_DIR)/libbacktrace-build DESTDIR=$$(pwd)/$(TARGET_DIR) install-exec
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$(TARGET_DIR)/lowdown-build/bin/lowdown: external/lowdown/lowdown.h
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cd external/lowdown && CC="$(CC)" CFLAGS="$(FUZZFLAGS)" ./configure LDFLAGS="$(FUZZFLAGS)" PREFIX=`pwd`/$(TOP)/$(TARGET_DIR)/lowdown-build/
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$(MAKE) -C external/lowdown install
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distclean: external-distclean
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clean: external-clean
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external-clean:
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$(RM) $(EXTERNAL_LIBS) $(TARGET_DIR)/*.la $(TARGET_DIR)/*.o
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$(RM) $(TARGET_DIR)/jsmn-build/jsmn.o
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if [ -f ${TARGET_DIR}/libsodium-build/Makefile ]; then make -C ${TARGET_DIR}/libsodium-build clean; fi
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if [ -f ${TARGET_DIR}/libwally-core-build/Makefile ]; then make -C ${TARGET_DIR}/libwally-core-build clean; fi
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if [ -f ${TARGET_DIR}/libwally-core-build/src/Makefile ]; then make -C ${TARGET_DIR}/libwally-core-build/src clean; fi
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if [ -f ${TARGET_DIR}/libbacktrace-build/Makefile ]; then make -C ${TARGET_DIR}/libbacktrace-build clean; fi
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if [ -f external/lowdown/Makefile.configure ]; then $(MAKE) -C external/lowdown clean; fi
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external-distclean:
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make -C external/libsodium distclean || true
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if [ -f external/lowdown/Makefile.configure ]; then $(MAKE) -C external/lowdown distclean; fi
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$(RM) -rf ${TARGET_DIR}/libbacktrace-build ${TARGET_DIR}/libsodium-build ${TARGET_DIR}/libwally-core-build ${TARGET_DIR}/jsmn-build
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$(RM) -r `git status --ignored --porcelain external/libwally-core | grep '^!! ' | cut -c3-`
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