# This Makefile is only for testing. C callers should follow the instructions
# in ./README.md to incorporate these C files into their existing build.

NAME=blake3
CC=gcc
CFLAGS=-O3 -Wall -Wextra -std=c11 -pedantic -fstack-protector-strong -D_FORTIFY_SOURCE=2 -fPIE -fvisibility=hidden
LDFLAGS=-pie -Wl,-z,relro,-z,now
TARGETS=
ASM_TARGETS=
EXTRAFLAGS=-Wa,--noexecstack

ifdef BLAKE3_NO_SSE2
EXTRAFLAGS += -DBLAKE3_NO_SSE2
else
TARGETS += blake3_sse2.o
ASM_TARGETS += blake3_sse2_x86-64_unix.S
endif

ifdef BLAKE3_NO_SSE41
EXTRAFLAGS += -DBLAKE3_NO_SSE41
else
TARGETS += blake3_sse41.o
ASM_TARGETS += blake3_sse41_x86-64_unix.S
endif

ifdef BLAKE3_NO_AVX2
EXTRAFLAGS += -DBLAKE3_NO_AVX2
else
TARGETS += blake3_avx2.o
ASM_TARGETS += blake3_avx2_x86-64_unix.S
endif

ifdef BLAKE3_NO_AVX512
EXTRAFLAGS += -DBLAKE3_NO_AVX512
else
TARGETS += blake3_avx512.o
ASM_TARGETS += blake3_avx512_x86-64_unix.S
endif

ifdef BLAKE3_USE_NEON
EXTRAFLAGS += -DBLAKE3_USE_NEON=1
TARGETS += blake3_neon.o
endif

ifdef BLAKE3_NO_NEON
EXTRAFLAGS += -DBLAKE3_USE_NEON=0
endif

all: blake3.c blake3_dispatch.c blake3_portable.c main.c $(TARGETS)
	$(CC) $(CFLAGS) $(EXTRAFLAGS) $^ -o $(NAME) $(LDFLAGS)

blake3_sse2.o: blake3_sse2.c
	$(CC) $(CFLAGS) $(EXTRAFLAGS) -c $^ -o $@ -msse2

blake3_sse41.o: blake3_sse41.c
	$(CC) $(CFLAGS) $(EXTRAFLAGS) -c $^ -o $@ -msse4.1

blake3_avx2.o: blake3_avx2.c
	$(CC) $(CFLAGS) $(EXTRAFLAGS) -c $^ -o $@ -mavx2

blake3_avx512.o: blake3_avx512.c
	$(CC) $(CFLAGS) $(EXTRAFLAGS) -c $^ -o $@ -mavx512f -mavx512vl

blake3_neon.o: blake3_neon.c
	$(CC) $(CFLAGS) $(EXTRAFLAGS) -c $^ -o $@

test: CFLAGS += -DBLAKE3_TESTING -fsanitize=address,undefined
test: all
	./test.py

asm: blake3.c blake3_dispatch.c blake3_portable.c main.c $(ASM_TARGETS)
	$(CC) $(CFLAGS) $(EXTRAFLAGS) $^ -o $(NAME) $(LDFLAGS)

test_asm: CFLAGS += -DBLAKE3_TESTING -fsanitize=address,undefined 
test_asm: asm
	./test.py

example: example.c blake3.c blake3_dispatch.c blake3_portable.c $(ASM_TARGETS)
	$(CC) $(CFLAGS) $(EXTRAFLAGS) $^ -o $@ $(LDFLAGS)

clean: 
	rm -f $(NAME) *.o