diff -r aa1a9fbd6eb8 -r 27a0abfd46d1 config/toolchain.in
--- a/config/toolchain.in	Thu May 17 16:22:51 2007 +0000
+++ b/config/toolchain.in	Tue May 29 19:30:38 2007 +0000
@@ -22,6 +22,35 @@
       You might not want shared librries if you're building for a target that
       don't support it (maybe some nommu targets, for example, or bare metal).
 
+choice
+    bool
+    prompt "Threading implentation to use:"
+    default THREADS_NPTL           if LIBC_SUPPORT_NPTL
+    default THREADS_LINUXTHREADS   if LIBC_SUPPORT_LINUXTHREADS && ! LIBC_SUPPORT_NPTL
+    default THREADS_NONE           if ! LIBC_SUPPORT_LINUXTHREADS && ! LIBC_SUPPORT_NPTL
+
+config THREADS_NPTL
+    bool
+    prompt "nptl"
+    depends on LIBC_SUPPORT_NPTL
+
+config THREADS_LINUXTHREADS
+    bool
+    prompt "linuxthreads"
+    depends on LIBC_SUPPORT_LINUXTHREADS
+
+config THREADS_NONE
+    bool
+    prompt "none"
+
+endchoice
+
+config THREADS
+    string
+    default "nptl"          if THREADS_NPTL
+    default "linuxthreads"  if THREADS_LINUXTHREADS
+    default "none"          if THREADS_NONE
+
 config TARGET_MULTILIB
     bool
 #    prompt "Enable 'multilib' support (EXPERIMENTAL)"