diff --git a/gnu/usr.bin/gdb/arch/ia64/Makefile b/gnu/usr.bin/gdb/arch/ia64/Makefile
index 5462cc2b94c3..2fe489999cd5 100644
--- a/gnu/usr.bin/gdb/arch/ia64/Makefile
+++ b/gnu/usr.bin/gdb/arch/ia64/Makefile
@@ -1,7 +1,7 @@
 # $FreeBSD$
 
 .if !defined(GDB_CROSS_DEBUGGER)
-LIBSRCS+= fbsd-proc.c gcore.c
+LIBSRCS+= fbsd-proc.c fbsd-threads.c gcore.c
 LIBSRCS+= ia64-fbsd-nat.c
 .endif
 LIBSRCS+= solib.c solib-svr4.c
diff --git a/gnu/usr.bin/gdb/arch/ia64/init.c b/gnu/usr.bin/gdb/arch/ia64/init.c
index c2cd71f42bb2..ee383e9c96f6 100644
--- a/gnu/usr.bin/gdb/arch/ia64/init.c
+++ b/gnu/usr.bin/gdb/arch/ia64/init.c
@@ -15,6 +15,7 @@ extern initialize_file_ftype _initialize_ser_pipe;
 extern initialize_file_ftype _initialize_ser_tcp;
 extern initialize_file_ftype _initialize_fbsd_proc;
 extern initialize_file_ftype _initialize_gcore;
+extern initialize_file_ftype _initialize_thread_db;
 extern initialize_file_ftype _initialize_ia64_fbsd_nat;
 extern initialize_file_ftype _initialize_kernel_u_addr;
 extern initialize_file_ftype _initialize_infptrace;
@@ -127,6 +128,7 @@ initialize_all_files (void)
 #ifndef CROSS_DEBUGGER
   _initialize_fbsd_proc ();
   _initialize_gcore ();
+  _initialize_thread_db ();
   _initialize_ia64_fbsd_nat ();
   _initialize_kernel_u_addr ();
   _initialize_infptrace ();