Hi everyone,

Our team is trying to compile a numerical optimization library that we use with our R package (OpenMx). We've been able to compile it on all platforms + architectures except for 64-bit windows. The library is written in fortran (I think it was written in the Fortran 77 dialect and we're using gfortran to compile it). I've tried compiling with the Rtools 2.14 suite and I get the following segfault captured below in gdb when I try to use the library. I'm using R CMD SHLIB to build the dll. I've also tried using the Rtools 2.15 suite and the resulting .dll crashes on both 32-bit and 64-bit platforms (I haven't run gdb on those crashes, that is on the TO DO list). Has anyone experienced the following error?

Program received signal SIGTRAP, Trace/breakpoint trap.
0x00000000772440c0 in ntdll!RtlUnicodeToCustomCPN ()
  from C:\Windows\system32\ntdll.dll


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