Use frename-registers cflag to fix FTBFS on aarch64

libwebp.spec

@@ -2,7 +2,7 @@
 
 Name:          libwebp
 Version:       0.4.1
-Release:       1%{?dist}
+Release:       2%{?dist}
 Group:         Development/Libraries
 URL:           http://webmproject.org/
 Summary:       Library and tools for the WebP graphics format
@@ -65,6 +65,9 @@ Java bindings for libwebp.
 
 %build
 autoreconf -vif
+%ifarch aarch64
+export CFLAGS="%{optflags} -frename-registers"
+%endif
 %configure --disable-static --enable-libwebpmux \
            --enable-libwebpdemux --enable-libwebpdecoder
 
@@ -124,6 +127,9 @@ cp swig/*.jar swig/*.so %{buildroot}/%{_libdir}/%{name}-java/
 %{_libdir}/%{name}-java/
 
 %changelog
+* Wed Aug 13 2014 Peter Robinson <pbrobinson@fedoraproject.org> 0.4.1-2
+- Use frename-registers cflag to fix FTBFS on aarch64
+
 * Tue Aug 05 2014 Sandro Mani <manisandro@gmail.com> - 0.4.1-1
 - upstream release 0.4.1