# DP: Remove cthreads detection

--- a/configure.ac
+++ b/configure.ac
@@ -2154,7 +2154,6 @@
 
 # Templates for things AC_DEFINEd more than once.
 # For a single AC_DEFINE, no template is needed.
-AH_TEMPLATE(C_THREADS,[Define if you have the Mach cthreads package])
 AH_TEMPLATE(_REENTRANT,
   [Define to force use of thread-safe errno, h_errno, and other functions])
 AH_TEMPLATE(WITH_THREAD,
@@ -2236,17 +2235,6 @@
     AC_MSG_RESULT($unistd_defines_pthreads)
 
     AC_DEFINE(_REENTRANT)
-    AC_CHECK_HEADER(cthreads.h, [AC_DEFINE(WITH_THREAD)
-    AC_DEFINE(C_THREADS)
-    AC_DEFINE(HURD_C_THREADS, 1,
-    [Define if you are using Mach cthreads directly under /include])
-    LIBS="$LIBS -lthreads"
-    THREADOBJ="Python/thread.o"],[
-    AC_CHECK_HEADER(mach/cthreads.h, [AC_DEFINE(WITH_THREAD)
-    AC_DEFINE(C_THREADS)
-    AC_DEFINE(MACH_C_THREADS, 1,
-    [Define if you are using Mach cthreads under mach /])
-    THREADOBJ="Python/thread.o"],[
     AC_MSG_CHECKING(for --with-pth)
     AC_ARG_WITH([pth],
                 AS_HELP_STRING([--with-pth], [use GNU pth threading libraries]),
@@ -2301,7 +2289,7 @@
     LIBS="$LIBS -lcma"
     THREADOBJ="Python/thread.o"],[
     USE_THREAD_MODULE="#"])
-    ])])])])])])])])])])
+    ])])])])])])])])
 
     AC_CHECK_LIB(mpc, usconfig, [AC_DEFINE(WITH_THREAD)
     LIBS="$LIBS -lmpc"