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# Makefile for Nock OCaml/C benchmark comparison

VERE_ROOT = ../vere
VERE_PKG = $(VERE_ROOT)/pkg/noun
VERE_INCLUDES = -I$(VERE_ROOT)/pkg -I$(VERE_ROOT)/ext

# Find the Vere build directory
VERE_BUILD = $(VERE_ROOT)/build

# Try to find the actual library paths
VERE_LIBS = -L$(VERE_BUILD) -L$(VERE_ROOT)/build

CC = gcc
CFLAGS = -O3 -g $(VERE_INCLUDES)
LDFLAGS = $(VERE_LIBS)

.PHONY: all clean bench bench-c bench-ocaml test compare

all: test bench

# Build everything
build: build-ocaml

build-ocaml:
	@echo "Building OCaml implementation..."
	dune build

# Note: C benchmark requires linking against libvere which may not be available
# as a standalone library. We'll document this limitation.
build-c: bench_nock_c
	@echo "C benchmark built (requires Vere libraries)"

bench_nock_c: bench_nock.c
	@echo "Note: Building C benchmark requires Vere to be built first"
	@echo "This may fail if Vere libraries are not available"
	@echo "Attempting to compile..."
	-$(CC) $(CFLAGS) -o bench_nock_c bench_nock.c \
		$(VERE_PKG)/allocate.c \
		$(VERE_PKG)/nock.c \
		$(VERE_PKG)/hashtable.c \
		$(VERE_PKG)/imprison.c \
		$(VERE_PKG)/jets.c \
		$(VERE_PKG)/manage.c \
		$(VERE_PKG)/retrieve.c \
		$(VERE_PKG)/trace.c \
		$(VERE_PKG)/xtract.c \
		$(VERE_PKG)/events.c \
		$(VERE_PKG)/zave.c \
		$(LDFLAGS) -lm -lpthread -lgmp -lsigsegv -luv -lcrypto -lssl

# Run tests
test:
	@echo "Running OCaml tests..."
	dune exec ./test_nock.exe

# Run benchmarks
bench: bench-ocaml

bench-ocaml:
	@echo "Running OCaml benchmark..."
	dune exec ./bench_nock.exe

bench-c: bench_nock_c
	@echo "Running C benchmark..."
	./bench_nock_c

# Compare both implementations (if C benchmark is available)
compare: bench-ocaml
	@echo ""
	@echo "=================================="
	@echo "Comparison (OCaml only)"
	@echo "=================================="
	@echo "Note: C benchmark requires full Vere build"
	@echo "To compare, build Vere first, then run 'make bench-c'"

# Clean build artifacts
clean:
	dune clean
	rm -f bench_nock_c
	rm -f *.o

help:
	@echo "Nock OCaml/C Benchmark Makefile"
	@echo ""
	@echo "Targets:"
	@echo "  make test         - Run OCaml tests"
	@echo "  make bench        - Run OCaml benchmark"
	@echo "  make bench-ocaml  - Run OCaml benchmark"
	@echo "  make bench-c      - Run C benchmark (requires Vere build)"
	@echo "  make compare      - Run comparison"
	@echo "  make clean        - Clean build artifacts"
	@echo ""
	@echo "Note: C benchmarks require Vere to be fully built first."