diff --git a/mrw-c++.spec.in b/mrw-c++.spec.in
index 2611ad2..b65fb76 100644
--- a/mrw-c++.spec.in
+++ b/mrw-c++.spec.in
@@ -9,6 +9,9 @@
 ## @license LGPL, see file <a href="license.html">COPYING</a>
 ##
 ## $Log$
+## Revision 1.8  2004/11/25 18:32:20  marc
+## build optimized
+##
 ## Revision 1.7  2004/10/13 11:21:38  marc
 ## no more need for /usr/bin/ldd, but for binutils (in devel)
 ##
@@ -57,7 +60,7 @@ This package contains only the shared libraries required at runtime.
 
 %prep
 %setup -q
-./configure --prefix=$RPM_BUILD_ROOT/usr --datadir=$RPM_BUILD_ROOT/usr/share/doc/packages
+CXXFLAGS="-O3" ./configure --prefix=$RPM_BUILD_ROOT/usr --datadir=$RPM_BUILD_ROOT/usr/share/doc/packages
 
 %build
 make check