On Winnt, the gnat link libraries are in a lib*.a format. If I have to link with C run time modules (in fact _ftime), how can I link with a library in *.lib format. -- Louis Granger Professeur Agr�g� D�partement de G�nie �lectrique et G�nie Informatique �cole Polytechnique Montr�al, Canada T�l: (514) 340-4782 Fax: (514) 340-3240