# Copyright (C) 2022 Camden Dixie O'Brien
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public
# License along with this program.  If not, see
# <https://www.gnu.org/licenses/>.

.POSIX:

CFLAGS += -std=c11 -pedantic -Wall -Wextra
CFLAGS += -O3 -flto
CFLAGS += -D_XOPEN_SOURCE=700
CFLAGS += -march=native
CFLAGS += -static

LDFLAGS += -lpthread

# For profiling
# CFLAGS += -pg

SRC = main.c sud.c solve.c
OBJ = $(SRC:.c=.o)

default: sudoku eval

sudoku: $(OBJ)
	$(CC) $(CFLAGS) $(LDFLAGS) $(OBJ) -o $@

eval: eval.o
	$(CC) $(CFLAGS) $(LDFLAGS) eval.o -o $@

clean:
	rm -f sudoku *.o

eval.o: ds.h
main.o: sud.h solve.h ds.h
sud.o: sud.h
solve.o: solve.h

puzzles: sudoku.csv
	pv sudoku.csv | tail -n+2 | cut -d, -f1 | tr -d '\n' > $@

solns: sudoku.csv
	pv sudoku.csv | tail -n+2 | cut -d, -f2 | tr -d '\n' > $@

results:
	dd if=/dev/zero of=$@ bs=1000 count=729000

run: sudoku eval puzzles solns results
	time ./sudoku
	./eval

.PHONY: default clean run