ed448goldilocks/Makefile

# Copyright (c) 2014 Cryptography Research, Inc.
# Released under the MIT License.  See LICENSE.txt for license information.


UNAME := $(shell uname)
MACHINE := $(shell uname -m)

ifeq ($(UNAME),Darwin)
CC = clang
CXX = clang++
else
CC = gcc
CXX = g++
endif
LD = $(CC)
LDXX = $(CXX)
ASM ?= $(CC)

DECAF ?= decaf

ifneq (,$(findstring x86_64,$(MACHINE)))
ARCH ?= arch_x86_64
else
# no i386 port yet
ARCH ?= arch_arm_32
endif

FIELD ?= p448

WARNFLAGS = -pedantic -Wall -Wextra -Werror -Wunreachable-code \
	 -Wmissing-declarations -Wunused-function -Wno-overlength-strings $(EXWARN)
	 
	 
INCFLAGS = -Isrc/include -Iinclude -Isrc/$(FIELD) -Isrc/$(FIELD)/$(ARCH)
LANGFLAGS = -std=c99 -fno-strict-aliasing
LANGXXFLAGS = -fno-strict-aliasing
GENFLAGS = -ffunction-sections -fdata-sections -fvisibility=hidden -fomit-frame-pointer -fPIC
OFLAGS = -O3

TODAY = $(shell date "+%Y-%m-%d")

ifneq (,$(findstring arm,$(MACHINE)))
ifneq (,$(findstring neon,$(ARCH)))
ARCHFLAGS += -mfpu=neon
else
ARCHFLAGS += -mfpu=vfpv3-d16
endif
ARCHFLAGS += -mcpu=cortex-a8 # FIXME
GENFLAGS += -DN_TESTS_BASE=1000 # sooooo sloooooow
else
ARCHFLAGS += -maes -mavx2 -mbmi2 #TODO
endif

ifeq ($(CC),clang)
WARNFLAGS += -Wgcc-compat
endif

ifeq (,$(findstring 64,$(ARCH))$(findstring gcc,$(CC)))
# ARCHFLAGS += -m32
XCFLAGS += -DGOLDI_FORCE_32_BIT=1
endif

ARCHFLAGS += $(XARCHFLAGS)
CFLAGS  = $(LANGFLAGS) $(WARNFLAGS) $(INCFLAGS) $(OFLAGS) $(ARCHFLAGS) $(GENFLAGS) $(XCFLAGS)
CXXFLAGS = $(LANGXXFLAGS) $(WARNFLAGS) $(INCFLAGS) $(OFLAGS) $(ARCHFLAGS) $(GENFLAGS) $(XCXXFLAGS) 
LDFLAGS = $(ARCHFLAGS) $(XLDFLAGS)
ASFLAGS = $(ARCHFLAGS) $(XASFLAGS)

.PHONY: clean all test bench test_decaf bench_decaf todo doc lib bat
.PRECIOUS: build/%.s

HEADERS= Makefile $(shell find . -name "*.h") $(shell find . -name "*.hxx") build/timestamp

LIBCOMPONENTS= build/goldilocks.o build/barrett_field.o build/crandom.o \
  build/$(FIELD).o build/ec_point.o build/scalarmul.o build/sha512.o build/magic.o \
	build/f_arithmetic.o build/arithmetic.o


DECAFCOMPONENTS= build/$(DECAF).o build/shake.o build/decaf_crypto.o \
	build/$(FIELD).o build/f_arithmetic.o # TODO
ifeq ($(DECAF),decaf_fast)
DECAFCOMPONENTS += build/decaf_tables.o
endif

TESTCOMPONENTS=build/test.o build/test_scalarmul.o build/test_sha512.o \
	build/test_pointops.o build/test_arithmetic.o build/test_goldilocks.o build/magic.o \
	build/shake.o

TESTDECAFCOMPONENTS=build/test_decaf.o
BENCHDECAFCOMPONENTS=build/bench_decaf.o

BENCHCOMPONENTS = build/bench.o build/shake.o

BATBASE=ed448goldilocks-bats-$(TODAY)
BATNAME=build/$(BATBASE)

all: lib decaf_lib build/test build/bench build/shakesum

scan: clean
	scan-build --use-analyzer=`which clang` \
		 -enable-checker deadcode -enable-checker llvm \
		 -enable-checker osx -enable-checker security -enable-checker unix \
		make build/bench build/test all

build/bench: $(LIBCOMPONENTS) $(BENCHCOMPONENTS) $(DECAFCOMPONENTS)
	$(LD) $(LDFLAGS) -o $@ $^

build/test: $(LIBCOMPONENTS) $(TESTCOMPONENTS) $(DECAFCOMPONENTS)
	$(LD) $(LDFLAGS) -o $@ $^ -lgmp

build/test_decaf: $(TESTDECAFCOMPONENTS) decaf_lib
	$(LDXX) $(LDFLAGS) -o $@ $< -Lbuild -Wl,-rpath=`pwd`/build -ldecaf

build/bench_decaf: $(BENCHDECAFCOMPONENTS) decaf_lib
	$(LDXX) $(LDFLAGS) -o $@ $< -Lbuild -Wl,-rpath=`pwd`/build -ldecaf
	
build/shakesum: build/shakesum.o build/shake.o
	$(LD) $(LDFLAGS) -o $@ $^

lib: build/libgoldilocks.so

decaf_lib: build/libdecaf.so

build/libgoldilocks.so: $(LIBCOMPONENTS)
	rm -f $@
ifeq ($(UNAME),Darwin)
	libtool -macosx_version_min 10.6 -dynamic -dead_strip -lc -x -o $@ \
		  $(LIBCOMPONENTS)
else
	$(LD) $(L