diff --git a/contrib/crossrpms/common/common.add b/contrib/crossrpms/common/common.add
index c0f8ab01e3..c92e6cd996 100644
--- a/contrib/crossrpms/common/common.add
+++ b/contrib/crossrpms/common/common.add
@@ -15,3 +15,9 @@
 %define _exeext %{nil}
 %endif
 
+%ifos cygwin cygwin32
+%define optflags -O3 -pipe -march=i486 -funroll-loops
+%define _libdir			%{_exec_prefix}/lib
+%define debug_package		%{nil}
+%endif
+