Looking for required packages
Checking for package 'mono-addins'.. found.
Checking for package 'mono-debugger'.. found.
Checking for package 'monodevelop'.. found.
Checking for package 'monodevelop-core-addins'.. found.

monodevelop-debugger-mdb has been configured with 
        prefix = /usr
        libdir = /usr/lib64
        config = DEBUG

make[1]: Entering directory `/tmp/SBo/monodevelop-debugger-mdb-2.4'
make[1]: Leaving directory `/tmp/SBo/monodevelop-debugger-mdb-2.4'
make[1]: Entering directory `/tmp/SBo/monodevelop-debugger-mdb-2.4/Mono.Debugging.Backend.Mdb'
make pre-all-local-hook prefix=/usr
make[2]: Entering directory `/tmp/SBo/monodevelop-debugger-mdb-2.4/Mono.Debugging.Backend.Mdb'
make[2]: Leaving directory `/tmp/SBo/monodevelop-debugger-mdb-2.4/Mono.Debugging.Backend.Mdb'
mkdir -p ../build
make DEBUG_BeforeBuild
make[2]: Entering directory `/tmp/SBo/monodevelop-debugger-mdb-2.4/Mono.Debugging.Backend.Mdb'
make[2]: Leaving directory `/tmp/SBo/monodevelop-debugger-mdb-2.4/Mono.Debugging.Backend.Mdb'
PKG_CONFIG_PATH=../../../local-config:$PKG_CONFIG_PATH gmcs -noconfig -codepage:utf8 -warn:4 -optimize- -debug "-define:DEBUG;TRACE" -out:../build/DebuggerClient.dll -target:library './AssemblyInfo.cs' './DebuggerController.cs' './IDebuggerController.cs' './IDebuggerServer.cs' './MonoDebuggerSession.cs' './MonoDebuggerSessionFactory.cs' './MonoDebuggerStartInfo.cs'  '-resource:./Manifest.addin.xml'    -r:Mono.Posix   -pkg:monodevelop   -pkg:monodevelop-core-addins    -r:System    -r:System.Data    -r:System.Runtime.Remoting    -r:System.Xml  
./MonoDebuggerSession.cs(124,43): error CS0115: `Mono.Debugging.Backend.Mdb.MonoDebuggerSession.OnInsertBreakEvent(Mono.Debugging.Client.BreakEvent, bool)' is marked as an override but no suitable method found to override
./MonoDebuggerSession.cs(129,41): error CS0115: `Mono.Debugging.Backend.Mdb.MonoDebuggerSession.OnRemoveBreakEvent(object)' is marked as an override but no suitable method found to override
./MonoDebuggerSession.cs(135,41): error CS0115: `Mono.Debugging.Backend.Mdb.MonoDebuggerSession.OnEnableBreakEvent(object, bool)' is marked as an override but no suitable method found to override
./MonoDebuggerSession.cs(140,43): error CS0115: `Mono.Debugging.Backend.Mdb.MonoDebuggerSession.OnUpdateBreakEvent(object, Mono.Debugging.Client.BreakEvent)' is marked as an override but no suitable method found to override
Compilation failed: 4 error(s), 0 warnings
make[1]: *** [../build/DebuggerClient.dll] Error 1
make[1]: Leaving directory `/tmp/SBo/monodevelop-debugger-mdb-2.4/Mono.Debugging.Backend.Mdb'
make: *** [all-recursive] Error 1