AsynDriver build errors on MinGW

[Josh Stein <stein@aps.anl.gov>]

Here I go again with MinGW...

I'm attempting to build the AsynDriver module on a windows box; during 
the make in /modules/asyn4-18 I get the following error:

g++ -o asyn.dll -shared -Wl,--out-implib,asyn.lib 
-LC:\base-3.14.12.2\lib\win32-x86-mingw       -m32
    asynManager.o epicsInterruptibleSyscall.o asynGpib.o 
drvAsynSerialPortWin32.o drvAsynIPPort.o drvAsynIPServerPort.o 
asynInt32Base.o asynInt32SyncIO.o asynInt8ArrayBase.o 
asynInt8ArraySyncIO.o asynInt16ArrayBase.o asynInt16ArraySyncIO.o 
asynInt32ArrayBase.o asynInt32ArraySyncIO.o asynUInt32DigitalBase.o 
asynUInt32DigitalSyncIO.o asynFloat64Base.o asynFloat64SyncIO.o 
asynFloat32ArrayBase.o asynFloat32ArraySyncIO.o asynFloat64ArrayBase.o 
asynFloat64ArraySyncIO.o asynOctetBase.o asynOctetSyncIO.o 
asynGenericPointerBase.o asynGenericPointerSyncIO.o asynCommonSyncIO.o 
asynStandardInterfacesBase.o asynShellCommands.o asynInterposeCom.o 
asynInterposeEos.o asynInterposeFlush.o asynPortDriver.o devAsynOctet.o 
asynEpicsUtils.o devAsynInt32.o devAsynInt8Array.o devAsynInt16Array.o 
devAsynInt32Array.o devAsynUInt32Digital.o devAsynFloat64.o 
devAsynFloat32Array.o devAsynFloat64Array.o
asynRecord.o drvAsyn.o drvVxi11Win32.o E5810Reboot.o E2050Reboot.o 
TDS3000Reboot.o devCommonGpib.o devSupportGpib.o boSRQonOff.o    
-lrecIoc -lsoftDevIoc -lmiscIoc -lrsrvIoc -ldbtoolsIoc -lasIoc -ldbIoc 
-lregistryIoc -ldbStaticIoc -lca -lCom  -lws2_32    -lws2_32
Creating library file: asyn.lib
asynInterposeCom.o:asynInterposeCom.c:(.text+0x6e6): undefined reference 
to `_imp__pasynTrace'
asynInterposeCom.o:asynInterposeCom.c:(.text+0x14c7): undefined 
reference to `_imp__pasynTrace'
asynInterposeCom.o:asynInterposeCom.c:(.text+0x1556): undefined 
reference to `_imp__pasynManager'
collect2: ld returned 1 exit status
make[2]: *** [asyn.dll] Error 1
make[2]: Leaving directory `c:/modules/asyn4-18/asyn/O.win32-x86-mingw'
make[1]: *** [install.win32-x86-mingw] Error 2
make[1]: Leaving directory `c:/modules/asyn4-18/asyn'
make: *** [asyn.install] Error 2
make: Leaving directory `c:/modules/asyn4-18'

Thoughts?