Index: usr.bin/xinstall/xinstall.c
===================================================================
--- usr.bin/xinstall/xinstall.c
+++ usr.bin/xinstall/xinstall.c
@@ -1306,7 +1306,7 @@
  * strip --
  *	Use strip(1) to strip the target file.
  *	Just invoke strip(1) on to_name if from_name is NULL, else try
- *	to run "strip -o to_name -- from_name" and return 0 on failure.
+ *	to run "strip -o to_name from_name" and return 0 on failure.
  *	Return 1 on success and assign result of digest_file(to_name)
  *	to *dresp.
  */
@@ -1314,7 +1314,8 @@
 strip(const char *to_name, int to_fd, const char *from_name, char **dresp)
 {
 	const char *stripbin;
-	const char *args[6];
+	const char *args[5];
+	char _from_name[PATH_MAX];
 	pid_t pid;
 	int error, serrno, status;
 
@@ -1328,9 +1329,17 @@
 	} else {
 		args[1] = "-o";
 		args[2] = to_name;
-		args[3] = "--";
-		args[4] = from_name;
-		args[5] = NULL;
+
+		/* Prepend './' if from_name begins with '-' */
+		if (from_name[0] == '-') {
+			if (snprintf(_from_name, sizeof(_from_name), "./%s",
+			    from_name) < 0);
+				return (0);
+			args[3] = _from_name;
+		} else {
+			args[3] = from_name;
+		}
+		args[4] = NULL;
 	}
 	error = posix_spawnp(&pid, stripbin, NULL, NULL,
 	    __DECONST(char **, args), environ);