C5/Formatting.cs(225,7): warning CS0278: `C5.IDictionary<K,V>' contains ambiguous implementation of `enumerable' pattern. Method `System.Collections.IEnumerable.GetEnumerator()' is ambiguous with method `System.Collections.Generic.IEnumerable<C5.KeyValuePair<K,V>>.GetEnumerator()' /var/tmp/portage/mono-1.2/work/mono-1.2/mcs/class/lib/net_2_0/mscorlib.dll (Location of the symbol related to previous warning) /var/tmp/portage/mono-1.2/work/mono-1.2/mcs/class/lib/net_2_0/mscorlib.dll (Location of the symbol related to previous warning) C5/Collections.cs(782,17): warning CS0414: The private field `C5.CollectionBase<T>.isortedtype' is assigned but its value is never used C5/linkedlists/HashedLinkedList.cs(1183,11): warning CS0414: The private field `C5.HashedLinkedList.Range.start' is assigned but its value is never used C5/linkedlists/LinkedList.cs(1183,11): warning CS0414: The private field `C5.LinkedList.Range.start' is assigned but its value is never used Compilation succeeded - 51 warning(s) make[8]: *** Deleting file `../../class/lib/net_2_0/Mono.C5.dll' make[8]: Leaving directory `/var/tmp/portage/mono-1.2/work/mono-1.2/mcs/class/Mono.C5' make[7]: *** [do-all] Error 2 make[7]: Leaving directory `/var/tmp/portage/mono-1.2/work/mono-1.2/mcs/class/Mono.C5' make[6]: *** [all-recursive] Error 1 make[6]: Leaving directory `/var/tmp/portage/mono-1.2/work/mono-1.2/mcs/class' make[5]: *** [all-recursive] Error 1 make[5]: Leaving directory `/var/tmp/portage/mono-1.2/work/mono-1.2/mcs' make[4]: *** [profile-do--net_2_0--all] Error 2 make[4]: Leaving directory `/var/tmp/portage/mono-1.2/work/mono-1.2/mcs' make[3]: *** [profiles-do--all] Error 2 make[3]: Leaving directory `/var/tmp/portage/mono-1.2/work/mono-1.2/mcs' make[2]: *** [all-local] Error 2 make[2]: Leaving directory `/var/tmp/portage/mono-1.2/work/mono-1.2/runtime' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/var/tmp/portage/mono-1.2/work/mono-1.2' make: *** [all] Error 2 !!! ERROR: dev-lang/mono-1.2 failed. Call stack: ebuild.sh, line 1546: Called dyn_compile ebuild.sh, line 937: Called src_compile mono-1.2.ebuild, line 88: Called die !!! compile failed !!! If you need support, post the topmost build error, and the call stack if relevant.
No error there, try again w/ MAKEOPTS="-j1"