Include procfs, random, and DDE in the build

diff --git a/Makefile b/Makefile
index 0b9eff2..12b56f0 100644
--- a/Makefile
+++ b/Makefile
@@ -28,7 +28,8 @@ include ./Makeconf
 # Hurd libraries
 lib-subdirs = libshouldbeinlibc libihash libiohelp libports libthreads \
 	      libpager libfshelp libdiskfs libtrivfs libps \
-	      libnetfs libpipe libstore libhurdbugaddr libftpconn libcons
+	      libnetfs libpipe libstore libhurdbugaddr libftpconn libcons \
+	      libmachdev libbpf libddekit libhurd-slab eth-filter eth-multiplexer
 
 # Hurd programs
 prog-subdirs = auth proc exec term \
@@ -40,8 +41,9 @@ prog-subdirs = auth proc exec init term \
 	       benchmarks fstests \
 	       random \
 	       procfs \
 	       startup \
 	       init \
+	       devnode \
 
 ifeq ($(HAVE_SUN_RPC),yes)
 prog-subdirs += nfs nfsd
diff --git a/configure.ac b/configure.ac
index 05b959b..68ec159 100644
--- a/configure.ac
+++ b/configure.ac
@@ -227,6 +227,12 @@ AC_SUBST(boot_store_types)dnl
 AC_MSG_CHECKING(boot store types)
 AC_MSG_RESULT($boot_store_types)
 
+AC_CHECK_LIB(pciaccess, pci_system_init, LIBPCIACCESS=-lpciaccess, LIBPCIACCESS=no)
+AC_SUBST(LIBPCIACCESS)
+if test "$LIBPCIACCESS" = "no"; then
+  AC_MSG_ERROR([libpciaccess must be install in order to use libddekit])
+fi
+
 # Check for ncursesw, which is needed for the console-curses client.
 hurd_LIB_NCURSESW
 
diff --git a/Makeconf b/Makeconf
index 5439913..1d70e53 100644
--- a/Makeconf
+++ b/Makeconf
@@ -582,6 +582,7 @@ mach_defs_names = bootstrap exc mach mach4 \
 mach_debug_defs_names = mach_debug
 device_defs_names = dev_forward device device_reply device_request
 
+mach_defs_names += experimental
 mach_defs = $(addsuffix .defs,$(mach_defs_names))
 mach_debug_defs = $(addsuffix .defs,$(mach_debug_defs_names))
 device_defs = $(addsuffix .defs,$(device_defs_names))