CONFIG

ROOT = .

# compile for web usage
WEB = 1
USE_WASM32 = 0
DEBUGGING = 0# set to 1 to enable less optimizations and more debugging information
SINGLE_THREADED_WEBSOCKET = 0# set to 1 to use Websockets only on main thread for communication

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
ifeq ($(WEB), 1)
ARCH = -msse -msse2 -msse4.1 -msse4.2 -mavx -msimd128
else
ARCH = -mtune=native -msse4.1 -msse4.2 -maes -mpclmul -mavx -mavx2 -mbmi2 -madx
endif

MACHINE := $(shell uname -m)
ARM := $(shell uname -m | grep x86; echo $$?)
OS := $(shell uname -s)
ifeq ($(MACHINE), x86_64)
ifeq ($(OS), Linux)
ifeq ($(shell cat /proc/cpuinfo | grep -q avx2; echo $$?), 0)
AVX_OT = 1
else
AVX_OT = 0
endif
else
AVX_OT = 0
endif
else
ARCH =
AVX_OT = 0
endif

ifeq ($(OS), Darwin)
BREW_CFLAGS += -I/usr/local/opt/openssl/include -I`brew --prefix`/opt/openssl/include -I`brew --prefix`/include
BREW_LDLIBS += -L/usr/local/opt/openssl/lib -L`brew --prefix`/lib -L`brew --prefix`/opt/openssl/lib
endif

ifeq ($(OS), Linux)
ifeq ($(ARM), 1)
ifeq ($(shell cat /proc/cpuinfo | grep -q aes; echo $$?), 0)
ARCH = -march=armv8.2-a+crypto
endif
endif
endif

# settings for web compatability
USE_KOS = 1
AVX_OT = 0

# allow to set compiler in CONFIG.mine
ifeq ($(WEB), 1)
CXX = emcc
else
CXX = clang++
endif

# 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 = -lgmpxx -lgmp -lsodium $(MY_LDLIBS) -lssl -lcrypto 

ifeq ($(WEB), 1)
LDLIBS += -lwebsocket.js -ldatachannel-wasm
ifeq ($(USE_WASM32), 1)
LDLIBS += -I $(CURDIR)/local/wasm32/lib -L $(CURDIR)/local/wasm32/lib
CFLAGS += -I./local/wasm32/include
else 
LDLIBS += -I $(CURDIR)/local/wasm64/lib -L $(CURDIR)/local/wasm64/lib
CFLAGS += -I./local/wasm64/include -sMEMORY64
LDFLAGS += -sMEMORY64
endif
else
LDLIBS += $(BREW_LDLIBS)
LDLIBS +=  -Wl,-rpath -Wl,$(CURDIR)/local/lib -L$(CURDIR)/local/lib
LDLIBS += -lboost_system -lboost_filesystem -lboost_iostreams
CFLAGS += -I./local/include
endif


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

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

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

ifeq ($(WEB), 1)
CFLAGS += -sUSE_BOOST_HEADERS
endif

CFLAGS += $(ARCH) $(MY_CFLAGS) $(GDEBUG) -Wextra -Wall $(OPTIM) -I$(ROOT) -I$(ROOT)/deps -pthread $(PROF) $(DEBUG) $(MOD) $(GF2N_LONG) $(PREP_DIR) $(SSL_DIR) $(SECURE)
CFLAGS += $(BREW_CFLAGS)
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

ifeq ($(USE_KOS),1)
CFLAGS += -DUSE_KOS
else
CFLAGS += -std=c++17
endif