diff --git a/gnuradio-3.2.2-64bit.patch b/gnuradio-3.2.2-64bit.patch
new file mode 100644
index 0000000..2273518
--- /dev/null
+++ b/gnuradio-3.2.2-64bit.patch
@@ -0,0 +1,30 @@
+diff -up gnuradio-3.2.2/config/gr_lib64.m4.64bit gnuradio-3.2.2/config/gr_lib64.m4
+--- gnuradio-3.2.2/config/gr_lib64.m4.64bit	2010-09-07 10:50:42.000000000 +0200
++++ gnuradio-3.2.2/config/gr_lib64.m4	2010-09-07 10:53:15.000000000 +0200
+@@ -21,14 +21,14 @@ dnl 
+ 
+ dnl GR_LIB64()
+ dnl
+-dnl Checks to see if we're on a x86_64 or powerpc64 machine, and if so, determine
++dnl Checks to see if we're on a x86_64, powerpc64, sparc64 or s390x machine, and if so, determine
+ dnl if libdir should end in "64" or not.
+ dnl
+ dnl Sets gr_libdir_suffix to "" or "64" and calls AC_SUBST(gr_libdir_suffix)
+ dnl May append "64" to libdir.
+ dnl
+ dnl The current heuristic is:
+-dnl   if the host_cpu isn't x86_64 or powerpc64, then ""
++dnl   if the host_cpu isn't x86_64 or powerpc64 or sparc64 or s390x, then ""
+ dnl   if the host_os isn't linux, then ""
+ dnl   if we're cross-compiling, ask the linker, by way of the selected compiler
+ dnl   if we're x86_64 and there's a /lib64 and it's not a symlink, then "64", else ""
+@@ -47,7 +47,8 @@ AC_DEFUN([GR_LIB64],[
+     *)      is_linux=no  ;;
+   esac
+ 
+-  if test "$is_linux" = no || test "$host_cpu" != "x86_64" && test "$host_cpu" != "powerpc64"; then
++  if test "$is_linux" = no || test "$host_cpu" != "x86_64" && test "$host_cpu" != "powerpc64" \
++	&& test "$host_cpu" != "sparc64" && test "$host_cpu" != "s390x"; then
+     gr_libdir_suffix=""
+   elif test "$cross_compiling" = yes; then
+     _GR_LIB64_ASK_COMPILER
diff --git a/gnuradio.spec b/gnuradio.spec
index 4683174..42e9126 100644
--- a/gnuradio.spec
+++ b/gnuradio.spec
@@ -2,7 +2,7 @@
 
 Name:		gnuradio
 Version:	3.2.2
-Release:	7%{?dist}
+Release:	8%{?dist}
 Summary:	Software defined radio framework
 
 Group:		Applications/Engineering
@@ -14,6 +14,7 @@ Source1:	10-usrp.rules
 Patch0:		gnuradio-3.2-libtool.patch
 Patch1:		gnuradio-3.2-configure.patch
 Patch2:		gnuradio-gcc45.patch
+Patch3:		gnuradio-3.2.2-64bit.patch
 
 Requires(pre):	shadow-utils
 BuildRequires:	sdcc
@@ -99,6 +100,7 @@ GNU Radio USRP headers
 %patch0 -p1 -b .libtool
 %patch1 -p1 -b .configure
 %patch2 -p1 -b .gcc45
+%patch3 -p1 -b .64bit
 
 #force regeneration of cached moc output files
 find . -name "*_moc.cc" -exec rm {} \;
@@ -205,6 +207,9 @@ getent group usrp >/dev/null || groupadd -r usrp
 %{_includedir}/usrp_*
 
 %changelog
+* Tue Sep 07 2010 Dan Horák <dan[at]danny.cz> - 3.2.2-8
+- Add sparc64 and s390x to 64-bit platforms
+
 * Sun Aug 01 2010 Orcan Ogetbil <oget[dot]fedora[at]gmail[dot]com> - 3.2.2-7
 - Fix gcc-4.5 build errors