Merge pull request torrinfail#48 from anntnzrb/patch-makefile

Makefile tweaks
These changes are all pretty good. And I'm all for making it easier to build on the BSDs!

Makefile

@@ -1,17 +1,36 @@
-PREFIX ?= /usr/local
-CC ?= cc
-LDFLAGS = -lX11
+PREFIX  := /usr/local
+CC      := cc
+CFLAGS  := -pedantic -Wall -Wno-deprecated-declarations -Os
+LDFLAGS := -lX11
+
+# FreeBSD (uncomment)
+#LDFLAGS += -L/usr/local/lib -I/usr/local/include
+# # OpenBSD (uncomment)
+#LDFLAGS += -L/usr/X11R6/lib -I/usr/X11R6/include
+
+all: options dwmblocks
+
+options:
+	@echo dwmblocks build options:
+	@echo "CFLAGS  = ${CFLAGS}"
+	@echo "LDFLAGS = ${LDFLAGS}"
+	@echo "CC      = ${CC}"
+
+dwmblocks: dwmblocks.c blocks.def.h blocks.h
+	${CC} -o dwmblocks dwmblocks.c ${CFLAGS} ${LDFLAGS}
 
-output: dwmblocks.c blocks.def.h blocks.h
-	${CC}  dwmblocks.c $(LDFLAGS) -o dwmblocks
 blocks.h:
 	cp blocks.def.h $@
 
-
 clean:
 	rm -f *.o *.gch dwmblocks
-install: output
-	mkdir -p $(DESTDIR)$(PREFIX)/bin
-	install -m 0755 dwmblocks $(DESTDIR)$(PREFIX)/bin/dwmblocks
+
+install: dwmblocks
+	mkdir -p ${DESTDIR}${PREFIX}/bin
+	cp -f dwmblocks ${DESTDIR}${PREFIX}/bin
+	chmod 755 ${DESTDIR}${PREFIX}/bin/dwmblocks
+
 uninstall:
-	rm -f $(DESTDIR)$(PREFIX)/bin/dwmblocks
+	rm -f ${DESTDIR}${PREFIX}/bin/dwmblocks
+
+.PHONY: all options clean install uninstall