Compile errors

I received 7 errors when using the Makefile for NT.  is there an easy way
to fix this?  thanks.

C:\visad\visad>"c:\program files\devstudio\vc\bin\nmake" -f Makefile.WinNT
compile

Microsoft (R) Program Maintenance Utility   Version 1.62.7022
Copyright (C) Microsoft Corp 1988-1997. All rights reserved.

        if exist *.class del *.class
        if exist java3d\*.class del java3d\*.class
        if exist java2d\*.class del java2d\*.class
        if exist util\*.class del util\*.class
        if exist formula\*.class del formula\*.class
        if exist ss\*.class del ss\*.class
        if exist data\*.class del data\*.class
        if exist data\netcdf\*.class del data\netcdf\*.class
        if exist data\netcdf\units\*.class del data\netcdf\units\*.class
        if exist data\netcdf\in\*.class del data\netcdf\in\*.class
        if exist data\netcdf\out\*.class del data\netcdf\out\*.class
        if exist data\fits\*.class del data\fits\*.class
        if exist ..\nom\tam\fits\*.class del ..\nom\tam\fits\*.class
        if exist ..\nom\tam\util\*.class del ..\nom\tam\util\*.class
        if exist ..\nom\tam\test\*.class del ..\nom\tam\test\*.class
        if exist ..\ucar\multiarray\*.class del ..\ucar\multiarray\*.class
        if exist ..\ucar\netcdf\*.class del ..\ucar\netcdf\*.class
        if exist ..\ucar\tests\*.class del ..\ucar\tests\*.class
        if exist data\hdfeos\*.class del data\hdfeos\*.class
        if exist data\hdfeos\hdfeosc\*.class del
data\hdfeos\hdfeosc\*.class
        if exist data\vis5d\*.class del data\vis5d\*.class
        if exist ..\edu\wisc\ssec\mcidas\*.class del
..\edu\wisc\ssec\mcidas\*.class
        if exist data\mcidas\*.class del data\mcidas\*.class
        if exist data\gif\*.class del data\gif\*.class
        if exist data\visad\*.class del data\visad\*.class
        if exist jmet\*.class del jmet\*.class
        if exist paoloa\*.class del paoloa\*.class
        if exist paoloa\spline\*.class del paoloa\spline\*.class
        if exist aune\*.class del aune\*.class
        if exist benjamin\*.class del benjamin\*.class
        if exist rabin\*.class del rabin\*.class
        if exist bom\*.class del bom\*.class
        if exist examples\*.class del examples\*.class
        javac -J-mx32m *.java
ActionImpl.java:31: Class visad.util.ThreadPool not found in import.
import visad.util.ThreadPool;
       ^
Delaunay.java:36: Class visad.java3d.DisplayImplJ3D not found in import.
import visad.java3d.DisplayImplJ3D;
       ^
       ^
FlatField.java:30: Class visad.util.DataUtility not found in import.
import visad.util.DataUtility;
       ^
       ^
CommonUnit.java:44: Undefined variable, class, or package name: visad
            visad.data.netcdf.units.UnitParser.encodeTimestamp(
            ^
            ^
DisplayImpl.java:1113: Class visad.util.Delay not found.
    new visad.util.Delay(millis);
                  ^
                  ^
ShadowFunctionOrSetType.java:642: Class visad.java2d.ShadowTypeJ2D not
found.
                            !(shadow_api instanceof
visad.java2d.ShadowTypeJ2D) &&
                                                                ^
ShadowFunctionOrSetType.java:1718: Class visad.java2d.ShadowTypeJ2D not
found.
            shadow_api instanceof visad.java2d.ShadowTypeJ2D) {
                                              ^
7 errors
NMAKE : fatal error U1077: 'javac' : return code '0x1'
Stop.

C:\visad\visad>