Add dist target, build timestamp and version information

Signed-off-by: Claudio Matsuoka <cmatsuoka@gmail.com>

Makefile

@@ -1,9 +1,10 @@
 CC	= gcc
-CFLAGS	= -Os -Wall
+CFLAGS	= -Os -Wall -DVERSION=\"$(VERSION)\" -DWHOAMI=\"`whoami`@`hostname`\"
 LD	= gcc
 LDFLAGS	=
 LIBS	=
-
+VERSION	= 0.1
+PKG	= finit-$(VERSION)
 
 #### Configurable parameters
 
@@ -43,3 +44,11 @@ clean:
 finit.o: finit.c Makefile
 
 finit-mod.o: finit-mod.c Makefile
+
+dist:
+	rm -Rf $(PKG)
+	mkdir $(PKG)
+	cp Makefile README finit.c finit-mod.c finit-alt.c $(PKG)
+	tar cf - $(PKG) | gzip -c > $(PKG).tar.gz
+	rm -Rf $(PKG)
+	ls -l $(PKG).tar.gz

finit-alt.c

@@ -39,7 +39,6 @@ THE SOFTWARE.
 #include <linux/fs.h>
 #include <linux/limits.h>
 
-#define VERSION "0.0"
 
 #ifdef DEBUG
 #define debug(x...) do { \
@@ -127,7 +126,7 @@ int main()
 	char *x;
 	sigset_t nmask, nmask2;
 
-	puts("finit " VERSION);
+	puts("finit-alt " VERSION " (built " __DATE__ " by " WHOAMI ")");
 
 	chdir("/");
 	umask(022);

finit-mod.c

@@ -108,6 +108,8 @@ int main()
 	char *x;
 	sigset_t nmask, nmask2;
 
+	puts("finit-mod " VERSION " (built " __DATE__ " by " WHOAMI ")");
+
 	chdir("/");
 	umask(022);