Index: version/main.c
===================================================================
--- version/main.c	(revision 179652)
+++ version/main.c	(working copy)
@@ -38,8 +38,9 @@
 
 static void usage(void);
 
-static char opts[] = "dIhl:L:qs:XtTO:ov";
+static char opts[] = "cdIhl:L:qs:XtTO:ov";
 static struct option longopts[] = {
+	{ "compare",	required_argument,	NULL,		'c' },
 	{ "extended",	no_argument,		NULL,		'X' },
 	{ "help",	no_argument,		NULL,		'h' },
 	{ "match",	required_argument,	NULL,		's' },
@@ -56,7 +57,8 @@
 int
 main(int argc, char **argv)
 {
-    int ch, cmp = 0;
+    int ch, cmp = 42;
+    char *v1 = NULL, *v2 = NULL;
 
     if (argc == 4 && !strcmp(argv[1], "-t")) {
 	cmp = version_cmp(argv[2], argv[3]);
@@ -69,6 +71,16 @@
     }
     else while ((ch = getopt_long(argc, argv, opts, longopts, NULL)) != -1) {
 	switch(ch) {
+	case 'c':
+	    v1 = v2 = optarg;
+	    v2 = strchr(v2, ' ');
+	    *v2++ = '\0';
+	    cmp = version_cmp(v1, v2);
+	    if (!Quiet)
+	        printf("%s ? %s : ", v1, v2);
+	    printf(cmp > 0 ? ">\n" : (cmp < 0 ? "<\n" : "=\n"));
+	    break;
+
 	case 'v':
 	    Verbose++;
 	    break;
@@ -123,6 +135,9 @@
     argc -= optind;
     argv += optind;
 
+    if (cmp != 42)
+	exit(0);
+
     return pkg_perform(argv);
 }
 
@@ -131,6 +146,7 @@
 {
     fprintf(stderr, "%s\n%s\n%s\n",
 	"usage: pkg_version [-hIoqv] [-l limchar] [-L limchar] [[-X] -s string] [-O origin] [index]",
+	"       pkg_version -c \"v1 v2\"",
 	"       pkg_version -t v1 v2",
 	"       pkg_version -T name pattern");
     exit(1);