diff --git a/xulrunner-python.spec b/xulrunner-python.spec
index a8669f5..d8fc0fc 100644
--- a/xulrunner-python.spec
+++ b/xulrunner-python.spec
@@ -5,7 +5,7 @@
 Summary:        Python interface for mozilla XPCOM library
 Name:           xulrunner-python
 Version:        1.9.2
-Release:        2.%{hgver}%{?dist}
+Release:        3.%{hgver}%{?dist}
 URL:            http://developer.mozilla.org/en/PyXPCOM
 License:        MPLv1.1 or GPLv2+ or LGPLv2+
 Group:          Applications/Internet
@@ -46,7 +46,10 @@ autoconf-2.13
 #---------------------------------------------------------------------
 
 %build
-cd %{objdir} 
+export CFLAGS=$RPM_OPT_FLAGS
+export CXXFLAGS=$RPM_OPT_FLAGS
+
+cd %{objdir}
 ../configure --with-libxul-sdk=`pkg-config --variable=sdkdir libxul` \
              --with-system-nspr  \
              --prefix=%{_prefix} \
@@ -121,6 +124,9 @@ popd
 #---------------------------------------------------------------------
 
 %changelog
+* Tue Mar 16 2010 Jan Horak <jhorak@redhat.com> - 1.9.2.3.20100111hg
+- Set CFLAGS and CXXFLAGS variables to $RPM_OPT_FLAGS
+
 * Wed Nov 25 2009 Martin Stransky <stransky@redhat.com> 1.9.2-2.20100111hg
 - created as standalone package