diff --git a/mono-debugger.spec b/mono-debugger.spec
index d75df4b..936a25a 100644
--- a/mono-debugger.spec
+++ b/mono-debugger.spec
@@ -7,10 +7,10 @@ BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 URL: http://www.go-mono.com/sources/mono-debugger
 Source0: http://www.go-mono.com/sources/%{name}/%{name}-%{version}.tar.gz
 Patch0: monodebug-configure.patch
-BuildRequires: pkgconfig, readline-devel, termcap, ncurses-devel
-BuildRequires: mono-lib-devel mono-nunit autoconf automake libtool
+BuildRequires: pkgconfig, readline-devel, termcap, ncurses-devel libtool
+BuildRequires: mono-lib-devel mono-nunit autoconf automake
 Group: Development/Tools
-ExcludeArch: ppc
+ExcludeArch: ppc ppc64
 
 %description
 
@@ -39,10 +39,9 @@ autoreconf
 make %{?_smp_mflags}
 
 %install
-rm -rf ${RPM_BUILD_ROOT}
-export MONO_SHARED_DIR=%{_builddir}/%{?buildsubdir}
-make DESTDIR=${RPM_BUILD_ROOT} install
-find ${RPM_BUILD_ROOT} -type f -name "*.la" -exec rm -f {} ';'
+rm -rf %{buildroot}
+make DESTDIR=%{buildroot} install
+find %{buildroot} -type f -name "*.la" -exec rm -f {} ';'
 
 %postun -p /sbin/ldconfig
 
@@ -68,11 +67,7 @@ rm -rf %{buildroot}
 %{_libdir}/libmono*.so
 
 %changelog
-* Sat Sep 02 2006 Paul F. Johnson <paul@all-the-johnsons.co.uk> 0.30-5
-- added BR libtool
-- added excludearch ppc
-
-* Mon Aug 28 2006 Paul F. Johnson <paul@all-the-johnsons.co.uk> 0.30-4
+* Mon Aug 28 2006 Paul F. Johnson <paul@all-the-johnsons.co.uk> 0.30-5
 - added defattr to devel
 - removed the disable debug
 - fixed source0