diff -Nru insserv-1.14.0/debian/changelog insserv-1.14.0/debian/changelog
--- insserv-1.14.0/debian/changelog	2012-11-18 01:58:04.000000000 +0000
+++ insserv-1.14.0/debian/changelog	2015-04-04 19:19:50.000000000 +0000
@@ -1,3 +1,17 @@
+insserv (1.14.0-5.1) UNRELEASED; urgency=low
+
+  * Non-maintainer upload.
+  * moving definition of "extension" in listing.h outside of 
+    an if loop with condition related to __STDC_VERSION__.
+  * I observed that this gets build with gcc-4.9.2, as for gcc 
+    __STDC_VERSION__ is not defined.
+  * I got these error while using clang to build this package.
+  * I tested it with clang-3.5(__STDC_VERSION__ 199901L) and
+    clang 3.7(__STDC_VERSION__ 201112L) and getting same error 
+    described in in Bug #777914.
+
+ -- Mohit Bhakkad <mohit.bhakkad@gmail.com>  Sat, 04 Apr 2015 19:14:48 +0000
+
 insserv (1.14.0-5) unstable; urgency=low
 
   * Add +mountall-bootclean to $local_fs virtual facility definition in
diff -Nru insserv-1.14.0/debian/patches/161_bts777914_fix_undeclared_identifier.patch insserv-1.14.0/debian/patches/161_bts777914_fix_undeclared_identifier.patch
--- insserv-1.14.0/debian/patches/161_bts777914_fix_undeclared_identifier.patch	1970-01-01 00:00:00.000000000 +0000
+++ insserv-1.14.0/debian/patches/161_bts777914_fix_undeclared_identifier.patch	2015-04-04 19:23:35.000000000 +0000
@@ -0,0 +1,15 @@
+--- a/listing.h
++++ b/listing.h
+@@ -47,9 +47,9 @@ typedef unsigned int uint;
+ # ifndef  asm
+ #  define asm			__asm__
+ # endif
+-# ifndef  extension
+-#  define extension		__extension__
+-# endif
++#endif
++#ifndef  extension
++# define extension             __extension__
+ #endif
+ #ifndef  attribute
+ # define attribute(attr)	__attribute__(attr)
diff -Nru insserv-1.14.0/debian/patches/series insserv-1.14.0/debian/patches/series
--- insserv-1.14.0/debian/patches/series	2012-07-05 11:07:28.000000000 +0000
+++ insserv-1.14.0/debian/patches/series	2015-04-04 19:21:42.000000000 +0000
@@ -10,3 +10,4 @@
 140_debian_test_suite.patch
 150_core_string_test.patch
 160_manual_page_update.patch
+161_bts777914_fix_undeclared_identifier.patch