** Warning: System.dll built without parts that depend on 
Mono.Security.dll
MONO_PATH="../../class/lib/net_2_0_bootstrap:$MONO_PATH" 
/usr/ports/lang/mono/work/mono-1.1.13.8.1/runtime/mono-wrapper  
../../class/lib/net_2_0_bootstrap/mcs.exe /codepage:28591   
-d:NET_1_1 -d:BOOTSTRAP_NET_2_0 -debug /noconfig -nowarn:618 
/define:XML_DEP /r:System.Xml.dll -target:library -out:System.dll  
@System.dll.sources
** (../../class/lib/net_2_0_bootstrap/mcs.exe:85546): WARNING **: 
The class System.Text.EncoderFallbackBuffer could not be loaded, 
used in mscorlib, Version=2.0.0.0, Culture=neutral, 
PublicKeyToken=b77a5c561934e089
=================================================================
Got a SIGSEGV while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries
used by your application.
=================================================================
[insert huge stacktrace here]