Create project skeleton

Makefile

@@ -0,0 +1,29 @@
+# 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/>.
+
+CFLAGS += -std=c11 -pedantic -Wall -Wextra
+CFLAGS += -O2 -flto
+
+SRC = main.c
+OBJ = $(SRC:.c=.o)
+
+sudoku: $(OBJ)
+	$(CC) $(CFLAGS) $(LDFLAGS) $(OBJ) -o $@
+
+clean:
+	rm -f sudoku $(OBJ)
+
+.PHONY: clean