CONFIG

ROOT = .

OPTIM= -O3
#PROF = -pg
#DEBUG = -DDEBUG
GDEBUG = -g

# set this to your preferred local storage directory
PREP_DIR = '-DPREP_DIR="Player-Data/"'

# directory to store SSL keys
SSL_DIR = '-DSSL_DIR="Player-Data/"'

# set for SHE preprocessing (SPDZ and Overdrive)
USE_NTL = 0

# set for using GF(2^128)
# unset for GF(2^40)
USE_GF2N_LONG = 1

# set to -march=<architecture> for optimization
# SSE4.2 is required homomorphic encryption in GF(2^n) when compiling with clang
# AES-NI and PCLMUL are not required
# AVX is required for oblivious transfer (OT)
# AVX2 support (Haswell or later) is used to optimize OT
# AVX/AVX2 is required for replicated binary secret sharing
# BMI2 is used to optimize multiplication modulo a prime
# ADX is used to optimize big integer additions
# delete the second line to compile for a platform that supports everything
ARCH = -mtune=native -msse4.1 -msse4.2 -maes -mpclmul -mavx -mavx2 -mbmi2 -madx
ARCH = -march=native

MACHINE := $(shell uname -m)
OS := $(shell uname -s)
ifeq ($(MACHINE), x86_64)
# set this to 0 to avoid using AVX for OT
ifeq ($(OS), Linux)
CHECK_AVX := $(shell grep -q avx /proc/cpuinfo; echo $$?)
ifeq ($(CHECK_AVX), 0)
AVX_OT = 1
else
AVX_OT = 0
endif
else
AVX_OT = 1
endif
else
ARCH =
AVX_OT = 0
endif

# allow to set compiler in CONFIG.mine
CXX = g++

# use CONFIG.mine to overwrite DIR settings
-include CONFIG.mine

ifeq ($(USE_GF2N_LONG),1)
GF2N_LONG = -DUSE_GF2N_LONG
endif

ifeq ($(AVX_OT), 0)
CFLAGS += -DNO_AVX_OT
endif

# MAX_MOD_SZ (for FHE) must be least and GFP_MOD_SZ (for computation)
# must be exactly ceil(len(p)/len(word)) for the relevant prime p
# GFP_MOD_SZ only needs to be set for primes of bit length more that 256.
# Default for MAX_MOD_SZ is 10, which suffices for all Overdrive protocols
# MOD = -DMAX_MOD_SZ=10 -DGFP_MOD_SZ=5

LDLIBS = -lmpirxx -lmpir -lsodium $(MY_LDLIBS)
LDLIBS += -lboost_system -lssl -lcrypto

ifeq ($(USE_NTL),1)
CFLAGS += -DUSE_NTL
LDLIBS := -lntl -lgmp $(LDLIBS)
EXTRA_LDLIBS = -lgf2x
endif

ifeq ($(OS), Linux)
LDLIBS += -lrt
endif

ifeq ($(OS), Darwin)
BOOST = -lboost_thread-mt $(MY_BOOST)
else
BOOST = -lboost_thread $(MY_BOOST)
endif

GEAR_FLAGS = -DVERBOSE_CONV2D
ifeq ($(GEAR_DIRECT_SUM),1)
    GEAR_FLAGS += -DCONV2D_DIRECT_SUM
else
ifeq ($(GEAR_BASIC_MATMUL),1)
    GEAR_FLAGS += -DCONV2D_BASIC_MATMUL
endif
endif

ifeq ($(LOWGEAR),1)
    MOD = -DMAX_MOD_SZ=6
    ifeq ($(LOWGEAR_FILTER_CIPHERTEXTS),1)
        GEAR_FLAGS += -DCONV2D_LOWGEAR_FILTER_CIPHERTEXTS
    endif
    ifeq ($(LOWGEAR_EXPANDED_BGV), 1)
        GEAR_FLAGS += -DCONV2D_LOWGEAR_EXPANDED_BGV
        ifeq ($(LOWGEAR_NO_EXPANDED_MASK),1)
            GEAR_FLAGS += -DCONV2D_LOWGEAR_NO_EXPANDED_MASK
        endif
    endif
else
    MOD = -DMAX_MOD_SZ=6
    ifeq ($(HIGHGEAR_NO_SUMS),1)
    else
        GEAR_FLAGS += -DCONV2D_SUMMING_CIPHERTEXTS -DCONV2D_MAX_IMAGE_DEPTH=512
    endif
    ifeq ($(HIGHGEAR_GENERIC_EC),1)
        GEAR_FLAGS += -DCONV2D_HIGHGEAR_GENERIC_EC
    endif
endif

CFLAGS += $(ARCH) $(MY_CFLAGS) $(GEAR_FLAGS) $(GDEBUG) -Wextra -Wall $(OPTIM) -I$(ROOT) -pthread $(PROF) $(DEBUG) $(MOD) $(GF2N_LONG) $(PREP_DIR) $(SSL_DIR) $(SECURE) -std=c++20 -Werror
CPPFLAGS = $(CFLAGS)
LD = $(CXX)

ifeq ($(OS), Darwin)
# for boost with OpenSSL 3
CFLAGS += -Wno-error=deprecated-declarations
ifeq ($(USE_NTL),1)
CFLAGS += -Wno-error=unused-parameter -Wno-error=deprecated-copy
endif
endif