Hi there ....... gbfosis.cpp and thmlosis.cpp seem to need #include <stdarg.h> added to them in order to compile properly with GCC. God bless, Barry >From Barry Drake (The Revd - minister of Arnold United Reformed Church, Nottingham - see http://www.arnold-urc.supanet.com for our church homepages). Replies - b.drake@talk21.com Fax: 0705 069 8746