build:

     [echo] Build Directory is /home/fawad/download/svn/nant/build/mono-2.0.unix/nant-0.85-debug
    [mkdir] Creating directory '/home/fawad/download/svn/nant/build/mono-2.0.unix/nant-0.85-debug/bin'.
    [mkdir] Creating directory '/home/fawad/download/svn/nant/build/mono-2.0.unix/nant-0.85-debug/bin/lib'.
     [copy] Copying 2 files to '/home/fawad/download/svn/nant/build/mono-2.0.unix/nant-0.85-debug/bin'.
     [copy] Copying 34 files to '/home/fawad/download/svn/nant/build/mono-2.0.unix/nant-0.85-debug/bin/lib'.
     [nant] /home/fawad/download/svn/nant/src/NAnt.Core/NAnt.Core.build build
            Buildfile: file:///home/fawad/download/svn/nant/src/NAnt.Core/NAnt.Core.build
            Target framework: Mono 2.0 Profile
            Target(s) specified: build


            build:

                  [csc] Compiling 154 files to '/home/fawad/download/svn/nant/build/mono-2.0.unix/nant-0.85-debug/bin/NAnt.Core.dll'."
                           [resgen] Read in 183 resources from '/home/fawad/download/svn/nant/src/NAnt.Core/Resources/Strings.resx'
                           [resgen] Writing resource file...  Done.
                  [csc] error CS0619: `NAnt.Core.Attributes.FileSetAttribute' is obsolete: `Please use a BuildElement attribute instead. This class will be removed soon.'
                  [csc] Compilation failed: 1 error(s), 0 warnings

            BUILD FAILED - 0 non-fatal error(s), 1 warning(s)

            /home/fawad/download/svn/nant/src/NAnt.Core/NAnt.Core.build(11,10):
            External Program Failed: /usr/local/stow/mono-all-cvs/lib/mono/2.0/gmcs.exe (return code was 1)

            Total time: 3.8 seconds.


BUILD FAILED

Nested build failed.  Refer to build log for exact reason.

Total time: 7.1 seconds.

make: *** [build-nant] Error 1