diff --git a/libev-4.11-Add-pkgconfig-support.patch b/libev-4.11-Add-pkgconfig-support.patch
new file mode 100644
index 0000000..8c478ca
--- /dev/null
+++ b/libev-4.11-Add-pkgconfig-support.patch
@@ -0,0 +1,58 @@
+From 01d2c386b58afa49567ccc079c963f76dc2e60f3 Mon Sep 17 00:00:00 2001
+From: Mathieu Bridon <bochecha@fedoraproject.org>
+Date: Fri, 8 Feb 2013 15:40:51 +0800
+Subject: [PATCH] Add pkgconfig support
+
+---
+ Makefile.am  |  4 ++++
+ configure.ac |  2 +-
+ libev.pc.in  | 11 +++++++++++
+ 3 files changed, 16 insertions(+), 1 deletion(-)
+ create mode 100644 libev.pc.in
+
+diff --git a/Makefile.am b/Makefile.am
+index 059305b..9e556c0 100644
+--- a/Makefile.am
++++ b/Makefile.am
+@@ -11,6 +11,10 @@ man_MANS = ev.3
+ 
+ include_HEADERS = ev.h ev++.h event.h
+ 
++pkgconfigdir = $(libdir)/pkgconfig
++
++pkgconfig_DATA = libev.pc
++
+ lib_LTLIBRARIES = libev.la
+ 
+ libev_la_SOURCES = ev.c event.c
+diff --git a/configure.ac b/configure.ac
+index 31d0a25..1af149a 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -21,5 +21,5 @@ AC_PROG_LIBTOOL
+ 
+ m4_include([libev.m4])
+ 
+-AC_CONFIG_FILES([Makefile])
++AC_CONFIG_FILES([Makefile libev.pc])
+ AC_OUTPUT
+diff --git a/libev.pc.in b/libev.pc.in
+new file mode 100644
+index 0000000..3b6c636
+--- /dev/null
++++ b/libev.pc.in
+@@ -0,0 +1,11 @@
++prefix=@prefix@
++exec_prefix=@prefix@
++libdir=@libdir@
++includedir=@includedir@
++
++Name: libev
++Description: High-performance event loop/event model
++Version: @VERSION@
++Libs: -L${libdir} -lev
++Libs.private: 
++Cflags: -I${includedir}
+-- 
+1.8.1
+
diff --git a/libev.pc.in b/libev.pc.in
deleted file mode 100644
index 3b6c636..0000000
--- a/libev.pc.in
+++ /dev/null
@@ -1,11 +0,0 @@
-prefix=@prefix@
-exec_prefix=@prefix@
-libdir=@libdir@
-includedir=@includedir@
-
-Name: libev
-Description: High-performance event loop/event model
-Version: @VERSION@
-Libs: -L${libdir} -lev
-Libs.private: 
-Cflags: -I${includedir}
diff --git a/libev.spec b/libev.spec
index aacf66d..f7cd64a 100644
--- a/libev.spec
+++ b/libev.spec
@@ -8,8 +8,10 @@ Release:          1%{?dist}
 License:          BSD or GPLv2+
 URL:              http://software.schmorp.de/pkg/libev.html
 Source0:          http://dist.schmorp.de/libev/Attic/%{name}-%{version}.tar.gz
-Source1:          %{name}.pc.in
-BuildRequires:    automake libtool
+
+BuildRequires:    autoconf automake libtool
+
+Patch0:           libev-4.11-Add-pkgconfig-support.patch
 
 %description
 Libev is modeled (very loosely) after libevent and the Event Perl
@@ -41,12 +43,9 @@ This package contains the source code for libev.
 %prep
 %setup -q
 
-# Add pkgconfig support
-cp -p %{SOURCE1} .
-sed -i.pkgconfig -e 's|Makefile|Makefile libev.pc|' configure.ac configure
-sed -i.pkgconfig -e 's|lib_LTLIBRARIES|pkgconfigdir = $(libdir)/pkgconfig\n\npkgconfig_DATA = libev.pc\n\nlib_LTLIBRARIES|' Makefile.am Makefile.in
-aclocal
-automake
+%patch0 -p1
+
+autoreconf -i
 
 
 %build
@@ -90,6 +89,8 @@ install -p -m 0644 Changes ev.pod LICENSE README %{inst_srcdir}
 
 
 %changelog
+- Make a patch out of Michal's pkgconfig support.
+
 * Fri Sep 28 2012 Mathieu Bridon <bochecha@fedoraproject.org> - 4.11-1
 - Update to 4.11