yuan_jh，hello！
You may have a look at:
http://ecos.sourceware.org/ml/ecos-discuss/2005-03/msg00145.html
http://cygwin.com/ml/cygwin/2005-03/msg00679.html
http://sourceware.org/ml/insight/2004-q4/msg00076.html
^_^
Regards
twomol
twomol@bj1860.net
2005-03-21