winsup/mingw/mingwex/mingw-fseek.c uses the anonymous union feature for LARGE_INTEGER, which is not always available. The attached patch goes the long way and use the explicit named union members, which are also declared in winnt.h anyway
winsup/mingw/mingwex/mingw-fseek.c
Your patch has been accepted and is now commited to CVS. You should expect to see it in the next release.
winsup/mingw/mingwex/mingw-fseek.c
Your patch has been accepted and is now commited to CVS. You should expect to see it in the next release.