Added hg revision tag into executable to allow tracking of versions.

See http://mercurial.selenic.com/wiki/KeywordPlan
jklong · Jan 2, 2011 · cb4eab4 · cb4eab4
1 parent 2e2f3ba
commit cb4eab4
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Showing 2 changed files with 5 additions and 1 deletion.
diff --git a/Makefile b/Makefile
@@ -1,5 +1,7 @@
 # Makefile for mdns-repeater
 
+HGVERSION=$(shell hg id -i)
+
 CFLAGS=-Wall
 
 ifdef DEBUG
@@ -9,6 +11,8 @@ CFLAGS+= -Os
 LDFLAGS+= -s
 endif
 
+CFLAGS+= -DHGVERSION="\"${HGVERSION}\""
+
 .PHONY: all clean
 
 all: mdns-repeater

diff --git a/mdns-repeater.c b/mdns-repeater.c
@@ -243,7 +243,7 @@ static void daemonize() {
 }
 
 static void show_help(const char *progname) {
-	fprintf(stderr, "mDNS repeater\n");
+	fprintf(stderr, "mDNS repeater (rev %s)\n", HGVERSION);
 	fprintf(stderr, "usage: %s [ -f ] <ifdev> ...\n", progname);
 	fprintf(stderr, "\n"
 					"<ifdev> specifies an interface like \"eth0\"\n"