A MS PowerStation DLL and a calling test program were recompiled with DF5. The dll works (as shown by its being successfully used by a delphi program). The fortran program that I wrote to test the dll compiles but will not link. The dll lib (fit5.lib) is searched as can be seen in a verbose link output but both functions of the dll remain unresolved. What can I be overlooking? I removed the C in the export statements: !MS$ATTRIBUTES DLLEXPORT:: fit5 !MS$ATTRIBUTES DLLEXPORT:: rand1 which is required for the C interface of Delphi program. The linker errors: calldll.obj : error LNK2001: unresolved external symbol _FIT5@72 calldll.obj : error LNK2001: unresolved external symbol _RAND1@4 Thanks for your thoughts. Randy
