vain/Makefile at main · davidrhodus/vain · GitHub

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CC  ?= cc
CFLAGS := -O2 -march=native+crypto -Wall -Wextra -std=gnu11

SODIUM_CFLAGS := $(shell pkg-config --cflags libsodium 2>/dev/null)
SODIUM_LIBS   := $(shell pkg-config --libs libsodium 2>/dev/null)
ifeq ($(SODIUM_LIBS),)
  SODIUM_CFLAGS := -I/opt/homebrew/include -I/usr/local/include
  SODIUM_LIBS   := -L/opt/homebrew/lib -L/usr/local/lib -lsodium
endif

CFLAGS += $(SODIUM_CFLAGS)
LIBS    = -lpthread -lm $(SODIUM_LIBS)

SRCS = src/main.c src/base58.c src/sha256_arm.c src/net.c
OBJS = $(SRCS:.c=.o)

# Metal GPU support (opt-in: make ENABLE_METAL=1)
ifdef ENABLE_METAL
  CFLAGS += -DENABLE_METAL
  OBJS   += src/metal_grind.o
  LIBS   += -framework Metal -framework Foundation
endif

vain: $(OBJS)
	$(CC) $(CFLAGS) -o $@ $(OBJS) $(LIBS)

%.o: %.c
	$(CC) $(CFLAGS) -c -o $@ $<

# Embed Metal shader sources as C byte arrays
src/metal_shader_src.h: src/grind_seed.metal
	@echo "Embedding seed shader..."
	@echo 'static const unsigned char grind_seed_metal_src[] = {' > $@
	@xxd -i < src/grind_seed.metal >> $@
	@echo ', 0x00 };' >> $@

src/metal_keypair_shader_src.h: src/grind_keypair.metal src/ed25519_base_table.h
	@echo "Embedding keypair shader (with ed25519 table)..."
	@sed '/#include "ed25519_base_table.h"/r src/ed25519_base_table.h' src/grind_keypair.metal | sed '/#include "ed25519_base_table.h"/d' > /tmp/keypair_combined.metal
	@echo 'static const unsigned char grind_keypair_metal_src[] = {' > $@
	@xxd -i < /tmp/keypair_combined.metal >> $@
	@echo ', 0x00 };' >> $@

src/metal_grind.o: src/metal_grind.m src/metal_grind.h src/metal_shader_src.h src/metal_keypair_shader_src.h
	$(CC) $(CFLAGS) -fobjc-arc -c -o $@ $<

# Dependencies
src/main.o:       src/main.c src/base58.h src/sha256_arm.h src/net.h
src/net.o:        src/net.c src/net.h
src/base58.o:     src/base58.c src/base58.h
src/sha256_arm.o: src/sha256_arm.c src/sha256_arm.h

test: test.o src/base58.o src/sha256_arm.o src/net.o
	$(CC) $(CFLAGS) -o test_vain $^ $(LIBS)
	./test_vain

test.o: test.c src/base58.h src/sha256_arm.h src/net.h
	$(CC) $(CFLAGS) -c -o $@ $<

clean:
	rm -f $(OBJS) src/metal_grind.o src/metal_shader_src.h src/metal_keypair_shader_src.h test.o test_vain vain

.PHONY: clean