improved makefile, readme. small code cleanups

1 files changed, 30 insertions, 3 deletions

diff --git a/Makefile b/Makefile
index dfd15a8..0033ed9 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,32 @@
-gstopwatch:
-	gcc gstopwatch.c `pkg-config --cflags --libs gtk+-3.0` -o gstopwatch
+PROG = gstopwatch
+
+CC      = gcc
+LIBS    = `pkg-config --cflags --libs gtk+-3.0`
+CFLAGS  = -std=c99 -Wall -Wextra -Wno-deprecated-declarations
+
+PREFIX   ?= /usr/local
+BINPREFIX = $(PREFIX)/bin
+
+all: CFLAGS += -Os
+all: LDFLAGS += -s
+all: $(PROG)
+
+debug: CFLAGS += -O0 -g -pedantic
+debug: all
+
+$(PROG): $(PROG).c
+	gcc $(PROG).c -o $(PROG) $(CFLAGS) $(LIBS)
+
+install:
+	mkdir -p $(DESTDIR)/$(BINPREFIX)
+	mkdir -p $(DESTDIR)/usr/share/applications/
+
+	install -m 0755 $(PROG) $(DESTDIR)/$(BINPREFIX)/
+	install -m 0644 data/$(PROG).desktop $(DESTDIR)/usr/share/applications/
+
+uninstall:
+	rm -f $(BINPREFIX)/$(PROG)
+	rm -f /usr/share/applications/$(PROG).desktop
 
 clean:
-	rm -f gstopwatch	
+	rm -f $(PROG)