diff --git a/SConstruct.userlibs b/SConstruct.userlibs
index 8f3db24..9591629 100644
--- a/SConstruct.userlibs
+++ b/SConstruct.userlibs
@@ -37,6 +37,13 @@ libc = SConscript('conts/libc/SConscript', \
                   duplicate = 0, variant_dir = \
                   join(BUILDDIR, os.path.relpath('conts/libc', PROJROOT)))
 
+libmm, libmc = SConscript('conts/libmem/SConscript', \
+                         exports = { 'env' : env, 'arch' : arch, 'platform' : platform }, \
+                         duplicate = 0, variant_dir = \
+                         join(BUILDDIR, os.path.relpath('conts/libmem', PROJROOT)))
+
+
 Alias('libl4', libl4)
 Alias('libc', libc)
-
+Alias('libmm', libmm)
+Alias('libmc', libmc)
diff --git a/conts/libl4/include/l4lib/arch-arm/syslib.h b/conts/libl4/include/l4lib/arch-arm/syslib.h
index 5ed0f66..cfba52a 100644
--- a/conts/libl4/include/l4lib/arch-arm/syslib.h
+++ b/conts/libl4/include/l4lib/arch-arm/syslib.h
@@ -7,7 +7,7 @@
 #ifndef __L4LIB_SYSLIB_H__
 #define __L4LIB_SYSLIB_H__
 
-#include <printf.h>
+#include <stdio.h>
 #include <l4lib/arch/syscalls.h>
 #include <l4/macros.h>
 
diff --git a/conts/posix/SConscript b/conts/posix/SConscript
deleted file mode 100644
index 62da764..0000000
--- a/conts/posix/SConscript
+++ /dev/null
@@ -1,115 +0,0 @@
-# -*- mode: python; coding: utf-8; -*-
-
-#  Codezero -- a microkernel for embedded systems.
-#
-#  Copyright © 2009  B Labs Ltd
-#
-#  This program is free software: you can redistribute it and/or modify it under the terms of the GNU
-#  General Public License as published by the Free Software Foundation, either version 3 of the License, or
-#  (at your option) any later version.
-#
-#  This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
-#  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
-#  License for more details.
-#
-#  You should have received a copy of the GNU General Public License along with this program.  If not, see
-#  <http://www.gnu.org/licenses/>.
-#
-#  Author: Russel Winder
-
-Import('environment', 'startAxf')
-
-posixServicesDirectory = 'posix'
-
-compilationProducts = []
-
-##########  Build the task libraries ########################
-
-taskSupportLibraryEnvironment = environment.Clone()
-taskSupportLibraryEnvironment.Append(CPPPATH = ['#' + environment['buildDirectory'], '#' + environment['buildDirectory'] + '/l4', '#' + environment['includeDirectory']])
-
-taskSupportLibraryEnvironment['posixServicesDirectory'] = 'containers/' + posixServicesDirectory
-
-taskLibraryNames = [f.name for f in Glob(posixServicesDirectory + '/lib*')]
-
-taskLibraries = []
-for library in taskLibraryNames:
-    taskLibraries.append(SConscript(posixServicesDirectory + '/' + library + '/SConscript', exports = {'environment': taskSupportLibraryEnvironment}))
-
-Alias ('tasklibs', taskLibraries)
-environment['targetHelpEntries']['tasklibs'] = 'build the support libraries for the tasks in the containers.'
-
-##########  Build the tasks ########################
-
-def buildTask(programName, sources, environment, previousImage, extraCppPath=None):
-    e = environment.Clone()
-    e.Append(LINKFLAGS=['-T' + e['posixServicesDirectory'] + '/' + programName + '/linker.lds'])
-    e.Append(LIBPATH=['#' + e['buildDirectory'] + '/' + e['posixServicesDirectory'] + '/' + programName])
-    if extraCppPath: e.Append(CPPPATH=extraCppPath)
-    objects = e.StaticObject(sources)
-    Depends(objects, e['configFiles'])
-    program = e.Program(programName, objects)
-    environment['physicalBaseLinkerScript'] = Command('physical_base.lds', previousImage, 'tools/pyelf/readelf.py --first-free-page ' + previousImage[0].path + ' >> $TARGET')
-    Depends(program, environment['physicalBaseLinkerScript'])
-    return program
-
-tasksEnvironment = environment.Clone()
-tasksEnvironment.Append(LIBS =  taskLibraries + ['gcc'] + taskLibraries)
-tasksEnvironment.Append(CPPDEFINES = ['__USERSPACE__'])
-tasksEnvironment.Append(CPPPATH = ['#' + environment['buildDirectory'], '#' + environment['buildDirectory'] + '/l4', '#' + environment['includeDirectory'], 'include', \
-                                   '#containers/' +posixServicesDirectory + '/libl4/include', '#containers/' + posixServicesDirectory + '/libc/include', \
-                                   '#containers/' + posixServicesDirectory + '/libmem', '#containers/' + posixServicesDirectory + '/libposix/include'])
-tasksEnvironment.Append(buildTask = buildTask)
-tasksEnvironment['posixServicesDirectory'] = 'containers/' + posixServicesDirectory
-
-####
-####  TODO: Why does the linker require crt0.o to be in the current directory and named as such.  Is it
-####  because of the text in the linker script?
-####
-
-## If the ordering of tasks is not important then we should just be able to pull in all non-library
-## directories that are not bootdesc.  If there needs to be a policy then either the directory names need to
-## provide an order or a policy file presenting an order is needed.  For now we have a policy file.  Since
-## we need to guarantee the ordering across many containers and many builds.
-
-## taskNameList = [ f.name for f in Glob(posixServicesDirectory + '*') if f.name not in taskLibraryNames + ['bootdesc'] ]
-## imageOrderData = [(taskName, []) for taskName in taskNameList]
-
-#  To get the policy file, we have to know the build is being executed in the build/containers directory,
-#  and that we can't use '#' as this is Python not SCons.
-
-####
-####  TODO: Task order (mm0, fs0, test0) works, but no other order does.  This implies a bug in the SCons
-####  code.
-####
-
-execfile('../../containers/' + posixServicesDirectory + '/taskOrder.py')
-
-imageOrderData = [(taskName, []) for taskName in taskOrder]
-imageOrderData[0][1].append(startAxf)
-tasks = []
-for i in range(len(imageOrderData)):
-    taskName = imageOrderData[i][0]
-    dependency = imageOrderData[i][1]
-    program = SConscript(posixServicesDirectory + '/' + taskName + '/SConscript', exports = {'environment': tasksEnvironment, 'previousImage': dependency[0]})
-    tasks.append(program)
-    if i < len(imageOrderData) - 1:
-        imageOrderData[i+1][1].append(program)
-        
-Alias ('tasks', tasks)
-environment['targetHelpEntries']['tasks'] = 'build the tasks for the containers.'
-
-##########  Create the boot description ########################
-
-bootdescEnvironment = environment.Clone()
-
-bootdescEnvironment['posixServicesDirectory'] = 'containers/' + posixServicesDirectory
-
-bootdesc = SConscript(posixServicesDirectory + '/bootdesc/SConscript', exports = {'environment': bootdescEnvironment, 'images': [startAxf] + tasks})
-
-Alias('bootdesc', bootdesc)
-environment['targetHelpEntries']['bootdesc'] = 'build the boot descriptions of the tasks for the containers.'
-
-compilationProducts = tasks + [bootdesc]
-
-Return('compilationProducts')