[core] remove requirement that default doc-root has to exist, there are reasonable scenarios not requiring static files at all

From: Stefan Bühler <stbuehler@web.de>

git-svn-id: svn://svn.lighttpd.net/lighttpd/branches/lighttpd-1.4.x@2895 152afb58-edef-0310-8abb-c4023f1b3aa9

NEWS

@@ -28,6 +28,7 @@ NEWS
   * [ssl] add option ssl.empty-fragments, defaulting to disabled (fixes #2492)
   * [auth] put REMOTE_USER into cgi environment, making it accessible to lua via lighty.req_env (fixes #2495)
   * [auth] new method "extern" to use already present REMOTE_USER (from magnet, ssl, ...) (fixes #2436)
+  * [core] remove requirement that default doc-root has to exist, there are reasonable scenarios not requiring static files at all
 
 - 1.4.32 - 2012-11-21
   * Code cleanup with clang/sparse (fixes #2437, thx kibi)

src/configfile.c

@@ -1249,27 +1249,6 @@ int config_set_defaults(server *srv) {
 		return -1;
 	}
 
-	if (buffer_is_empty(srv->srvconf.changeroot)) {
-		if (-1 == stat(s->document_root->ptr, &st1)) {
-			log_error_write(srv, __FILE__, __LINE__, "sb",
-					"base-docroot doesn't exist:",
-					s->document_root);
-			return -1;
-		}
-
-	} else {
-		buffer_copy_string_buffer(srv->tmp_buf, srv->srvconf.changeroot);
-		buffer_append_string_buffer(srv->tmp_buf, s->document_root);
-
-		if (-1 == stat(srv->tmp_buf->ptr, &st1)) {
-			log_error_write(srv, __FILE__, __LINE__, "sb",
-					"base-docroot doesn't exist:",
-					srv->tmp_buf);
-			return -1;
-		}
-
-	}
-
 	buffer_copy_string_buffer(srv->tmp_buf, s->document_root);
 
 	buffer_to_lower(srv->tmp_buf);