monodoc cannot build?

[KISHIMOTO, Makoto]

Hi.

At my FreeBSD7.2 box, ports/devel/monodoc cannot build.
Error is following.

gmcs -debug ./monodocer.cs -out:monodocer.exe -r:Mono.GetOptions
./monodocer.cs(910,41): warning CS0642: Possible mistaken empty statement
./monodocer.cs(29,96): error CS0122: `Mono.Documentation.Updater.DocsTypeInfo' is inaccessible due to its protection level
./monodocer.cs(628,15): (Location of the symbol related to previous error)
./monodocer.cs(28,96): error CS0122: `Mono.Documentation.Updater.DocsNodeInfo' is inaccessible due to its protection level
./monodocer.cs(2443,15): (Location of the symbol related to previous error)
./monodocer.cs(71,23): warning CS0618: `Mono.GetOptions.Options' is obsolete: `This class is being obsoleted, we suggest that you use NDesk.Options library instead (ndesk.org/options'
Compilation failed: 2 error(s), 2 warnings
gmake[1]: *** [monodocer.exe] Error 1

Is this known problem?