Object File (.o) for calling external routines- Is it ELF?

[GeeK]

Hi,

Just wanted to confirm whether the object file required to call external routines is a standard "ELF" or not?

If so, then does the extension have to be ".o" for sure, or a simple ".obj" should be OK as well.

I am facing some errors when I pass a .obj file and try to call a routine - would this be related to some other reason or the extension alone?

Thanks in advance ...

[Eric]

External routines don't use the object file ( *.obj) on a windows system.

On windows systems you to compile either a *.lib (library file) or a *.dll (dynamic library file)