diff --git a/sip-hg1297.patch b/sip-hg1297.patch
new file mode 100644
index 0000000..c43b3e0
--- /dev/null
+++ b/sip-hg1297.patch
@@ -0,0 +1,90 @@
+# HG changeset patch
+# User Phil Thompson <phil@riverbankcomputing.com>
+# Date 1401630727 -3600
+#      Sun Jun 01 14:52:07 2014 +0100
+# Branch 4.16-maint
+# Node ID d9229cce7220be17f92fafaaafbf28d3d9697042
+# Parent  2a310fa9719ad1b1731f27eb7e80ef9a6bda6982
+Fixed a regression in the creating of the build file when generating individual
+source files.
+
+diff -r 2a310fa9719a -r d9229cce7220 sipgen/gencode.c
+--- a/sipgen/gencode.c	Mon May 26 11:36:04 2014 +0100
++++ b/sipgen/gencode.c	Sun Jun 01 14:52:07 2014 +0100
+@@ -282,6 +282,7 @@
+ static virtErrorHandler *getVirtErrorHandler(sipSpec *pt, overDef *od,
+         classDef *cd, moduleDef *mod);
+ static int hasOptionalArgs(overDef *od);
++static int emptyIfaceFile(sipSpec *pt, ifaceFileDef *iff);
+ 
+ 
+ /*
+@@ -429,6 +430,9 @@
+             if (iff->type == exception_iface)
+                 continue;
+ 
++            if (emptyIfaceFile(pt, iff))
++                continue;
++
+             if (iff->api_range != NULL)
+                 prcode(fp, " sip%s%F_%d%s", mname, iff->fqcname, iff->api_range->index, srcSuffix);
+             else
+@@ -3673,6 +3677,26 @@
+ 
+ 
+ /*
++ * See if an interface file has any content.
++ */
++static int emptyIfaceFile(sipSpec *pt, ifaceFileDef *iff)
++{
++    classDef *cd;
++    mappedTypeDef *mtd;
++
++    for (cd = pt->classes; cd != NULL; cd = cd->next)
++        if (!isProtectedClass(cd) && !isExternal(cd) && cd->iff == iff)
++            return FALSE;
++
++    for (mtd = pt->mappedtypes; mtd != NULL; mtd = mtd->next)
++        if (mtd->iff == iff)
++            return FALSE;
++
++    return TRUE;
++}
++
++
++/*
+  * Generate the C/C++ code for an interface.
+  */
+ static void generateIfaceCpp(sipSpec *pt, ifaceFileDef *iff, int need_postinc,
+@@ -3684,30 +3708,12 @@
+     classDef *cd;
+     mappedTypeDef *mtd;
+     FILE *fp;
+-    int empty;
+ 
+     /*
+      * Check that there will be something in the file so that we don't get
+      * warning messages from ranlib.
+      */
+-    empty = TRUE;
+-
+-    for (cd = pt->classes; cd != NULL; cd = cd->next)
+-        if (!isProtectedClass(cd) && !isExternal(cd) && cd->iff == iff)
+-        {
+-            empty = FALSE;
+-            break;
+-        }
+-
+-    if (empty)
+-        for (mtd = pt->mappedtypes; mtd != NULL; mtd = mtd->next)
+-            if (mtd->iff == iff)
+-            {
+-                empty = FALSE;
+-                break;
+-            }
+-
+-    if (empty)
++    if (emptyIfaceFile(pt, iff))
+         return;
+ 
+     if (master == NULL)
diff --git a/sip.spec b/sip.spec
index b575979..8c864dc 100644
--- a/sip.spec
+++ b/sip.spec
@@ -17,7 +17,7 @@
 Summary: SIP - Python/C++ Bindings Generator
 Name: sip
 Version: 4.16
-Release: 1%{?dist}
+Release: 2%{?dist}
 
 # sipgen/parser.{c.h} is GPLv3+ with exceptions (bison)
 License: GPLv2 or GPLv3 and (GPLv3+ with exceptions)
@@ -31,6 +31,10 @@ Patch50: sip-4.12.1-no_strip.patch
 # try not to rpath the world
 Patch51: sip-4.13.3-no_rpath.patch
 
+## upstream patches
+# fixes regression ftbfs PyQt-4.11
+Patch100: sip-hg1297.patch
+
 # extracted from sip.h, SIP_API_MAJOR_NR SIP_API_MINOR_NR defines
 Source1: macros.sip
 %global _sip_api_major 11
@@ -114,6 +118,7 @@ classes library.
 
 %patch50 -p1 -b .no_strip
 %patch51 -p1 -b .no_rpath
+%patch100 -p1 -b .hg1297
 
 %if 0%{?with_python3}
 rm -rf %{py3dir}
@@ -184,6 +189,9 @@ install -D -p -m644 %{SOURCE1} %{buildroot}%{rpm_macros_dir}/macros.sip
 
 
 %changelog
+* Sun Jun 01 2014 Rex Dieter <rdieter@fedoraproject.org> 4.16-2
+- pull in upstream fix for PyQt-4.11.1 ftbfs
+
 * Wed May 28 2014 Rex Dieter <rdieter@fedoraproject.org> 4.16-1
 - sip-4.16, sip-api(11)=11.1