Changed files:
gnuchess.spec -> 1.19
cd src
rm -f config.status config.cache
%configure
-make CFLAGS="$RPM_OPT_FLAGS"
+%{__make} CFLAGS="$RPM_OPT_FLAGS"
%install
rm -rf $RPM_BUILD_ROOT
install -d $RPM_BUILD_ROOT{%{_bindir},%{_datadir}/games/gnuchess,%{_mandir}/man6}
cd src
-make install prefix=$RPM_BUILD_ROOT%{_prefix} \
+%{__make} install prefix=$RPM_BUILD_ROOT%{_prefix} \
exec_prefix=$RPM_BUILD_ROOT%{_prefix}
strip $RPM_BUILD_ROOT%{_bindir}/*