Were you able to resolve the problem?
You said you tried "-ipo-" . it's clear from the communication threads whether you compiled/linked without IPO. If you haven't already done so, please recompile and link without using -ipo. If you still see the unresolved errors, you could try to disable inlining of the routines in question (e.g. in case inlining is causing the errors) by using "__declspec(noinline)" right above the function definition: