# Also see "include/mbedtls/config.h"

CFLAGS	?= -O2
WARNING_CFLAGS ?=  -Wall -Wextra
LDFLAGS ?=

CRYPTO_INCLUDES ?= -I../include
LOCAL_CFLAGS = $(WARNING_CFLAGS) $(CRYPTO_INCLUDES) -D_FILE_OFFSET_BITS=64
LOCAL_LDFLAGS =

ifdef DEBUG
LOCAL_CFLAGS += -g3
endif

# MicroBlaze specific options:
# CFLAGS += -mno-xl-soft-mul -mxl-barrel-shift

# To compile on Plan9:
# CFLAGS += -D_BSD_EXTENSION

# Include directories for Everest code
LOCAL_CFLAGS+=-I../3rdparty/everest/include -I../3rdparty/everest/include/everest -I../3rdparty/everest/include/everest/kremlib

# if were running on Windows build for Windows
ifdef WINDOWS
WINDOWS_BUILD=1
else ifeq ($(shell uname -s),Darwin)
ifeq ($(AR),ar)
APPLE_BUILD ?= 1
endif
endif

# To compile as a shared library:
ifdef SHARED
# all code is position-indep with mingw, avoid warning about useless flag
ifndef WINDOWS_BUILD
LOCAL_CFLAGS += -fPIC -fpic
endif
endif

SOEXT_CRYPTO=so.3

# Set AR_DASH= (empty string) to use an ar implementation that does not accept
# the - prefix for command line options (e.g. llvm-ar)
AR_DASH ?= -

ARFLAGS = $(AR_DASH)src
ifdef APPLE_BUILD
ifneq ($(APPLE_BUILD),0)
ARFLAGS = $(AR_DASH)Src
RLFLAGS = -no_warning_for_no_symbols -c
RL ?= ranlib
endif
endif

DLEXT ?= so
ifdef WINDOWS_BUILD
# Windows shared library extension:
DLEXT = dll
else ifdef APPLE_BUILD
ifneq ($(APPLE_BUILD),0)
# Mac OS X shared library extension:
DLEXT = dylib
endif
endif

OBJS_CRYPTO=	aes.o		aesni.o		arc4.o		\
		aria.o		asn1parse.o	asn1write.o	\
		base64.o	bignum.o	blowfish.o	\
		camellia.o	ccm.o		chacha20.o	\
		chachapoly.o	cipher.o	cipher_wrap.o	\
		cmac.o		ctr_drbg.o	des.o		\
		dhm.o		ecdh.o		ecdsa.o		\
		ecjpake.o	ecp.o				\
		ecp_curves.o	entropy.o	entropy_poll.o	\
		gcm.o		havege.o			\
		hkdf.o						\
		hmac_drbg.o	md.o		md2.o		\
		md4.o		md5.o		md_wrap.o	\
		memory_buffer_alloc.o		nist_kw.o	\
		oid.o		padlock.o	pem.o		\
		pk.o		pk_wrap.o	pkcs12.o	\
		pkcs5.o		pkparse.o	pkwrite.o	\
		platform.o	platform_util.o	poly1305.o	\
		psa_crypto.o	psa_crypto_se.o			\
		psa_crypto_slot_management.o			\
		psa_crypto_storage.o				\
		psa_its_file.o					\
		ripemd160.o	rsa_internal.o	rsa.o  		\
		sha1.o		sha256.o	sha512.o	\
		threading.o	timing.o			\
		xtea.o

# For files generated by the parent project (Mbed TLS) when building Mbed
# Crypto as a submodule, ensure that the parent project instance is used.
ifeq ($(USE_CRYPTO_SUBMODULE), 1)
OBJS_CRYPTO += $(patsubst %.c,%.o, $(realpath ../../library/error.c))
OBJS_CRYPTO += $(patsubst %.c,%.o, $(realpath ../../library/version.c))
OBJS_CRYPTO += $(patsubst %.c,%.o, $(realpath ../../library/version_features.c))
else
OBJS_CRYPTO += error.o
OBJS_CRYPTO += version.o
OBJS_CRYPTO += version_features.o
endif

OBJS_CRYPTO+= \
		../3rdparty/everest/library/everest.o \
		../3rdparty/everest/library/Hacl_Curve25519.o \
		../3rdparty/everest/library/x25519.o \
		../3rdparty/everest/library/kremlib/FStar_UInt64_FStar_UInt32_FStar_UInt16_FStar_UInt8.o

.SILENT:

.PHONY: all static shared clean

ifndef SHARED
all: static
else
all: shared static
endif

static: libmbedcrypto.a

shared: libmbedcrypto.$(DLEXT)

# crypto
libmbedcrypto.a: $(OBJS_CRYPTO)
	echo "  AR    $@"
	$(AR) $(ARFLAGS) $@ $(OBJS_CRYPTO)
ifdef APPLE_BUILD
ifneq ($(APPLE_BUILD),0)
	echo "  RL    $@"
	$(RL) $(RLFLAGS) $@
endif
endif

libmbedcrypto.$(SOEXT_CRYPTO): $(OBJS_CRYPTO)
	echo "  LD    $@"
	$(CC) -shared -Wl,-soname,$@ $(LOCAL_LDFLAGS) $(LDFLAGS) -o $@ $(OBJS_CRYPTO)

libmbedcrypto.so: libmbedcrypto.$(SOEXT_CRYPTO)
	echo "  LN    $@ -> $<"
	ln -sf $< $@

libmbedcrypto.dylib: $(OBJS_CRYPTO)
	echo "  LD    $@"
	$(CC) -dynamiclib $(LOCAL_LDFLAGS) $(LDFLAGS) -o $@ $(OBJS_CRYPTO)

libmbedcrypto.dll: $(OBJS_CRYPTO)
	echo "  LD    $@"
	$(CC) -shared -Wl,-soname,$@ -Wl,--out-implib,$@.a -o $@ $(OBJS_CRYPTO) -lws2_32 -lwinmm -lgdi32 -static-libgcc $(LOCAL_LDFLAGS) $(LDFLAGS)

.c.o:
	echo "  CC    $<"
	$(CC) $(LOCAL_CFLAGS) $(CFLAGS) -c $< -o $@

clean:
ifndef WINDOWS
	rm -f *.o libmbed* $(OBJS_CRYPTO)
else
	if exist *.o del /Q /F *.o
	if exist libmbed* del /Q /F libmbed*
	if exist $(OBJS_CRYPTO) del /Q /F $(OBJS_CRYPTO)
endif