Rework makefile and worktree.

Moved most source files to /src/
Renamed `LICENSE` to `COPYING` to reduce (my personal) misspellings.
Rewrote Makefile to be more Quinn-friendly, and removed some components
not necessary for me, since this is a personal project.

.gitignore

@@ -8,6 +8,7 @@
 *.so
 *.out
 *.hex
+*.gz
 
 # Ignore /bin/ directory
 /bin/

Makefile

@@ -3,43 +3,72 @@
 
 include config.mk
 
-SRC = drw.c dwm.c util.c
-OBJ = ${SRC:.c=.o}
+INSTALL ?= install
+GZIP    ?= gzip
+TAR     ?= tar
 
-all: dwm
+SRC = $(wildcard src/*.c)
+OBJ = $(addsuffix .o,$(SRC))
+DEP = $(addsuffix .d,$(SRC))
 
-.c.o:
-	${CC} -c ${CFLAGS} $<
+# Set Q to @ to silence commands being printed, unless --no-silent has been set
+ifeq (0, $(words $(findstring --no-silent,$(MAKEFLAGS))))
+Q=@
+endif
 
-${OBJ}: config.h config.mk
+msg = @printf '%-8s %s\n' "$(1)" "$(2)"
 
-config.h:
-	cp config.def.h $@
+.PHONY:
+all: bin/dwm
 
-dwm: ${OBJ}
-	${CC} -o $@ ${OBJ} ${LDFLAGS}
+.PHONY:
+install: $(DESTDIR)/bin/dwm $(DESTDIR)/share/man/man1/dwm.1.gz
+$(DESTDIR)/bin/%: bin/%
+	$(call msg,INSTALL,$@)
+	$(Q)$(INSTALL) -D -m0755 $< $@
 
-clean:
-	rm -f dwm ${OBJ} dwm-${VERSION}.tar.gz
-
-dist: clean
-	mkdir -p dwm-${VERSION}
-	cp -R LICENSE Makefile README config.def.h config.mk\
-		dwm.1 drw.h util.h ${SRC} dwm.png transient.c dwm-${VERSION}
-	tar -cf dwm-${VERSION}.tar dwm-${VERSION}
-	gzip dwm-${VERSION}.tar
-	rm -rf dwm-${VERSION}
-
-install: all
-	mkdir -p ${DESTDIR}${PREFIX}/bin
-	cp -f dwm ${DESTDIR}${PREFIX}/bin
-	chmod 755 ${DESTDIR}${PREFIX}/bin/dwm
-	mkdir -p ${DESTDIR}${MANPREFIX}/man1
-	sed "s/VERSION/${VERSION}/g" < dwm.1 > ${DESTDIR}${MANPREFIX}/man1/dwm.1
-	chmod 644 ${DESTDIR}${MANPREFIX}/man1/dwm.1
+$(DESTDIR)/share/man/%: man/%
+	$(call msg,INSTALL,$@)
+	$(Q)$(INSTALL) -D -m0644 $< $@
 
+.PHONY:
 uninstall:
-	rm -f ${DESTDIR}${PREFIX}/bin/dwm\
-		${DESTDIR}${MANPREFIX}/man1/dwm.1
+	$(Q)$(RM) $(DESTDIR)/bin/dwm\
+		$(DESTDIR)/share/man/man1/dwm.1.gz
 
-.PHONY: all clean dist install uninstall
+.PHONY:
+clean:
+	$(call msg,CLEAN,src/)
+	$(Q)$(RM) $(OBJ)
+	$(call msg,CLEAN,man/)
+	$(Q)$(RM) $(MAN)
+	$(call msg,CLEAN,bin/)
+	$(Q)$(RM) -r bin/
+
+# Links together the object files into the final binary.
+bin/dwm: $(OBJ) | bin/
+	$(call msg,LD,$@)
+	$(Q)$(CC) $(LDFLAGS) $(LDLIBS) -o $@ $^
+
+# Compiles C sources into Object files
+%.c.o: %.c
+	$(call msg,CC,$@)
+	$(Q)$(CC) -c $(CPPFLAGS) $(CFLAGS) -o $@ $<
+
+# Compress files requested for compression using GZIP
+%.gz: %
+	$(call msg,GZIP,$@)
+	$(Q)$(GZIP) -k $<
+
+# Create directories
+%/:
+	$(call msg-mkdir,$@)
+	$(Q)mkdir $@
+
+# Generate and include dependencies,
+# ignoring any errors that may occur when doing so.
+%.c.d: %.c
+	$(Q)$(CC) -MM $(CPPFLAGS) -MF $@ $<
+ifeq (0, $(words $(findstring $(MAKECMDGOALS), clean)))
+-include $(DEP)
+endif