must explicitly specify python=system for python2

libreoffice.spec

@@ -1012,7 +1012,7 @@ export CXXFLAGS=$ARCH_FLAGS
 %if 0%{?rhel} < 7
 %define distrooptions --disable-graphite --without-system-mythes --without-system-mdds --without-junit --without-system-redland --disable-ext-mysql-connector --without-system-libexttextcat --without-system-libcdr --without-system-libwps --without-system-libwpd --without-system-libwpg --without-system-libcmis --without-system-clucene --without-system-libvisio --without-system-lcms2 --enable-gstreamer-0-10 --disable-gstreamer --disable-postgresql-sdbc
 %else
-%define distrooptions --without-system-hsqldb --disable-gstreamer-0-10 --enable-gstreamer --with-system-mythes
+%define distrooptions --without-system-hsqldb --disable-gstreamer-0-10 --enable-gstreamer --with-system-mythes --enable-python=system
 %endif
 %else
 %define distrooptions --without-system-hsqldb --enable-kde4 --disable-gstreamer-0-10 --enable-gstreamer --with-system-mythes