http://bugs.winehq.org/show_bug.cgi?id=15272
--- Comment #2 from Dan Kegel dank@kegel.com 2008-09-13 12:14:07 --- Configuring like
./configure CC=i586-mingw32msvc-gcc AR=i586-mingw32msvc-ar RANLIB=i586-mingw32msvc-ranlib
seemed slightly better, I only had to fix the AR override.