# install ext
install -d $RPM_BUILD_ROOT%{ruby_vendorarchdir}
-install -p ext/ruby_http_parser/ruby_http_parser.so $RPM_BUILD_ROOT%{ruby_vendorarchdir}
+install -p ext/%{pkgname}/*.so $RPM_BUILD_ROOT%{ruby_vendorarchdir}
# install examples
install -d $RPM_BUILD_ROOT%{_examplesdir}/%{name}-%{version}