hi, Perl: perl v5.008008 PA-RISC1.1-thread-multi dl_hpux.xs System: hp-ux bertha b.11.00 u 9000800 136901587 unlimited-user license Using INFORMIXDIR=/app/informix/product/7.31 and ESQL/C compiler esql Using INFORMIX-ESQL Version 9.40.UC2 from /app/informix/product/7.31 lib/DBD/Informix/Defaults.pm written OK esqlvrsn.h written OK esqlinfo.h written OK Testing whether your Informix test environment will work... gcc: +Ofastaccess: No such file or directory gcc: +DS2.0: No such file or directory gcc: +DA1.1: No such file or directory gcc: no input files Failed to compile esqltest.ec to esqltest.o Thanks for ur help.