diff --git a/jasper-pkgconfig.patch b/jasper-pkgconfig.patch
new file mode 100644
index 0000000..c8af5ca
--- /dev/null
+++ b/jasper-pkgconfig.patch
@@ -0,0 +1,48 @@
+diff -Naur jasper-1.900.1/configure.ac jasper-1.900.1.new/configure.ac
+--- jasper-1.900.1/configure.ac	2007-01-19 21:47:11.000000000 +0000
++++ jasper-1.900.1.new/configure.ac	2009-10-29 13:37:02.000000000 +0000
+@@ -399,6 +399,8 @@
+ src/libjasper/pnm/Makefile
+ src/libjasper/ras/Makefile
+ src/msvc/Makefile
++pkgconfig/Makefile
++pkgconfig/jasper.pc
+ jasper.spec
+ ])
+ AC_OUTPUT
+diff -Naur jasper-1.900.1/Makefile.am jasper-1.900.1.new/Makefile.am
+--- jasper-1.900.1/Makefile.am	2007-01-19 21:43:14.000000000 +0000
++++ jasper-1.900.1.new/Makefile.am	2009-10-29 13:36:28.000000000 +0000
+@@ -64,7 +64,7 @@
+ # Note: We need to put the derived file "jasper.spec" in the distribution
+ # in order to facilitate RPM building.
+ 
+-SUBDIRS = src
++SUBDIRS = src pkgconfig
+ 
+ rpm: dist
+ 	for i in BUILD RPMS SRPMS SOURCES SPECS; do \
+diff -Naur jasper-1.900.1/pkgconfig/jasper.pc.in jasper-1.900.1.new/pkgconfig/jasper.pc.in
+--- jasper-1.900.1/pkgconfig/jasper.pc.in	1970-01-01 01:00:00.000000000 +0100
++++ jasper-1.900.1.new/pkgconfig/jasper.pc.in	2009-10-29 16:30:43.000000000 +0000
+@@ -0,0 +1,11 @@
++prefix=@prefix@
++exec_prefix=@exec_prefix@
++libdir=@libdir@
++includedir=@includedir@
++
++Name: Jasper
++Description: JPEG 2000 encoding and decoding library
++Version: @VERSION@
++
++Libs: -L${libdir} -ljasper
++Cflags: -I${includedir}/jasper
+diff -Naur jasper-1.900.1/pkgconfig/Makefile.am jasper-1.900.1.new/pkgconfig/Makefile.am
+--- jasper-1.900.1/pkgconfig/Makefile.am	1970-01-01 01:00:00.000000000 +0100
++++ jasper-1.900.1.new/pkgconfig/Makefile.am	2009-10-29 13:38:59.000000000 +0000
+@@ -0,0 +1,5 @@
++pkgconfigdir = $(libdir)/pkgconfig
++pkgconfig_DATA = jasper.pc
++
++EXTRA_DIST = \
++        jasper.pc.in
diff --git a/jasper.spec b/jasper.spec
index 9a46f26..c873be6 100644
--- a/jasper.spec
+++ b/jasper.spec
@@ -7,7 +7,7 @@ Summary: Implementation of the JPEG-2000 standard, Part 1
 Name:    jasper
 Group:   System Environment/Libraries
 Version: 1.900.1
-Release: 13%{?dist}
+Release: 14%{?dist}
 
 License: JasPer
 URL:     http://www.ece.uvic.ca/~mdadams/jasper/
@@ -28,11 +28,14 @@ Patch4: jpc_dec.c.patch
 Patch5: jasper-1.900.1-CVE-2008-3520.patch
 # https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2008-3522
 Patch6: jasper-1.900.1-CVE-2008-3522.patch
+# add pkg-config support
+Patch7: jasper-pkgconfig.patch
 
-BuildRequires: automake 
-BuildRequires: libjpeg-devel
+BuildRequires: automake libtool
 BuildRequires: freeglut-devel 
 BuildRequires: libGLU-devel
+BuildRequires: libjpeg-devel
+BuildRequires: pkgconfig
 
 Requires: %{name}-libs = %{version}-%{release}
 
@@ -47,6 +50,7 @@ Group:   Development/Libraries
 Provides: libjasper-devel = %{version}-%{release}
 Requires: %{name}-libs = %{version}-%{release}
 Requires: libjpeg-devel
+Requires: pkgconfig
 %description devel
 %{summary}.
 
@@ -70,10 +74,14 @@ Requires: %{name} = %{version}-%{release}
 %setup -q -n %{name}-%{version}
 
 %patch1 -p1 -b .GL
+%patch2 -p1 -b .GL-ac
 %patch3 -p1 -b .CVE-2007-2721
 %patch4 -p1 -b .jpc_dec_assertion
 %patch5 -p1 -b .CVE-2008-3520
 %patch6 -p1 -b .CVE-2008-3522
+%patch7 -p1 -b .pkgconfig
+
+autoreconf -i
 
 
 %build
@@ -121,6 +129,7 @@ rm -rf $RPM_BUILD_ROOT
 %doc doc/*
 %{_includedir}/jasper/
 %{_libdir}/libjasper.so
+%{_libdir}/pkgconfig/jasper.pc
 
 %files libs
 %defattr(-,root,root,-)
@@ -135,6 +144,9 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %changelog
+* Thu Oct 29 2009 Rex Dieter <rdieter@fedoraproject.org> - 1.900.1-14
+- add pkgconfig support
+
 * Mon Oct 13 2009 Rex Dieter <rdieter@fedoraproject.org> - 1.900.1-13
 - CVE-2008-3520 jasper: multiple integer overflows in jas_alloc calls (#461476)
 - CVE-2008-3522 jasper: possible buffer overflow in