Hi All I am currently compiling in AIX 5.3 using gcc 4.2.3. However, am using AIX ld instead of GNU ld as I had problems previously and was adviced to use AIX ld by couple of members of this group after which I did not get the link errors. Now I keep getting Collect2: libsample.a: Not a COFF file error. Where libsample.a is user library and this name varies from compile to compile. What is this error and is there any way that I can overcome this. I would very much appreciate your help and advice. With Regards Vardhan