-roguelike:
- cc -Wall -g -o windows.o -c windows.c
- cc -Wall -g -o draw_wins.o -c draw_wins.c
- cc -Wall -g -o roguelike.o -c roguelike.c
- cc -Wall -g -o roguelike windows.o draw_wins.o roguelike.o -lncurses
+TARGET=roguelike
+SRCDIR=src
+BUILDDIR=build
+CC=gcc
+CFLAGS=-Wall -g
+# Use all .c files below SRCDIR for sources. Build object file paths by
+# replacing SRCDIR with BUILDDIR and .c endings with .o endings.
+SOURCES=$(shell find $(SRCDIR)/ -type f -name \*.c)
+OBJECTS=$(patsubst $(SRCDIR)/%,$(BUILDDIR)/%,$(SOURCES:.c=.o))
+
+# Linking TARGET demands generation of all OBJECTS files. To build them,
+# rely on this rule: Each file of path BUILDDIR/[name].o is compiled
+# from a file of path SRCDIR/[name].c. Build BUILDDIR as needed.
+$(TARGET): $(OBJECTS)
+ $(CC) $(CFLAGS) -o roguelike $(OBJECTS) -lncurses
+$(BUILDDIR)/%.o: $(SRCDIR)/%.c
+ mkdir -p $(BUILDDIR); $(CC) $(CFLAGS) -c $< -o $@
+
+# Use "clean" to delete build and target files. Tell make that "clean"
+# is a "phony" target, i.e. this is not about building a file.
+.PHONY: clean
clean:
- rm *.o; rm roguelike
+ rm $(OBJECTS)
+ rmdir $(BUILDDIR)
+ rm $(TARGET)