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# Copying and distribution of this file, with or without modification,
# are permitted in any medium without royalty provided the copyright
# notice and this notice are preserved. This file is offered as-is,
# without any warranty.
# The version of the library.
LIB_MAJOR = 1
LIB_MINOR = 0
LIB_VERSION = $(LIB_MAJOR).$(LIB_MINOR)
WARN = -Wall -Wextra -pedantic -Wdouble-promotion -Wformat=2 -Winit-self -Wmissing-include-dirs \
-Wtrampolines -Wfloat-equal -Wshadow -Wmissing-prototypes -Wmissing-declarations \
-Wredundant-decls -Wnested-externs -Winline -Wno-variadic-macros -Wswitch-default \
-Wpadded -Wsync-nand -Wunsafe-loop-optimizations -Wcast-align -Wstrict-overflow \
-Wdeclaration-after-statement -Wundef -Wbad-function-cast -Wcast-qual -Wwrite-strings \
-Wlogical-op -Waggregate-return -Wstrict-prototypes -Wold-style-definition -Wpacked \
-Wvector-operation-performance -Wunsuffixed-float-constants -Wsuggest-attribute=const \
-Wsuggest-attribute=noreturn -Wsuggest-attribute=pure -Wsuggest-attribute=format \
-Wnormalized=nfkc
LDOPTIMISE =
# -flto -flto-compression-level -flto-partition={1to1,balanced,mix,none} -flto-report -flto-report-wpa -fwpa
COPTIMISE = -fkeep-inline-functions -falign-functions=0 -fdata-sections -Ofast
FLAGS = -std=gnu99 $(WARN)
LIB_OBJ = digest files generalised-spec hex state
.PHONY: all
all: lib test benchmark
.PHONY: lib
lib: bin/libkeccak.so.$(LIB_VERSION) bin/libkeccak.so.$(LIB_MAJOR) bin/libkeccak.so
obj/libkeccak/%.o: src/libkeccak/%.c src/libkeccak.h src/libkeccak/*.h
@mkdir -p obj/libkeccak
$(CC) $(FLAGS) $(CFLAGS) $(COPTIMISE) $(CPPFLAGS) -fPIC -c -o $@ $<
bin/libkeccak.so.$(LIB_VERSION): $(foreach O,$(LIB_OBJ),obj/libkeccak/$(O).o)
@mkdir -p bin
$(CC) $(FLAGS) $(LDFLAGS) $(LDOPTIMISE) -shared -Wl,-soname,libkeccak.so.$(LIB_MAJOR) -o $@ $^
bin/libkeccak.so.$(LIB_MAJOR):
@mkdir -p bin
ln -sf libkeccak.so.$(LIB_VERSION) $@
bin/libkeccak.so:
@mkdir -p bin
ln -sf libkeccak.so.$(LIB_VERSION) $@
.PHONY: test
test: bin/test
bin/test: obj/test.o bin/libkeccak.so
$(CC) $(FLAGS) $(LDFLAGS) -Lbin -lkeccak -o $@ $<
obj/test.o: src/test.c src/libkeccak/*.h src/libkeccak.h
@mkdir -p obj
$(CC) $(FLAGS) $(CFLAGS) $(CPPFLAGS) -Isrc -O3 -c -o $@ $<
.PHONY: benchmark
benchmark: bin/benchmark
bin/benchmark: obj/benchmark.o bin/libkeccak.so
$(CC) $(FLAGS) $(LDFLAGS) -Lbin -lkeccak -o $@ $<
obj/benchmark.o: src/benchmark.c src/libkeccak/*.h src/libkeccak.h
@mkdir -p obj
$(CC) $(FLAGS) $(CFLAGS) $(CPPFLAGS) -Isrc -O3 -c -o $@ $<
.PHONY: check
check: bin/test
@test $$(sha256sum LICENSE | cut -d ' ' -f 1) = \
57c8ff33c9c0cfc3ef00e650a1cc910d7ee479a8bc509f6c9209a7c2a11399d6 || \
( echo 'The file LICENSE is incorrect, test will fail!' ; false )
env LD_LIBRARY_PATH=bin valgrind --leak-check=full bin/test
test $$(env LD_LIBRARY_PATH=bin valgrind bin/test 2>&1 >/dev/null | wc -l) = 14
# Using valgrind 3.10.0, its output to standard error should consist of 14 lines,
# the test itself never prints to standard error.
.PHONY: clean
clean:
-rm -r obj bin
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