Some platforms have rl_completion_append_character but not rl_completion_suppress_append.

Reported by Mark D.

Modules/readline.c

@@ -803,6 +803,8 @@ flex_complete(char *text, int start, int end)
 {
 #ifdef HAVE_RL_COMPLETION_APPEND_CHARACTER
 	rl_completion_append_character ='\0';
+#endif
+#ifdef HAVE_RL_COMPLETION_SUPPRESS_APPEND
 	rl_completion_suppress_append = 0;
 #endif
 	Py_XDECREF(begidx);

configure

 #! /bin/sh
-# From configure.in Revision: 75658 .
+# From configure.in Revision: 75664 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.61 for python 2.7.
 #
@@ -3865,7 +3865,7 @@ else
   { echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6; }
 fi
-rm -f -r conftest*
+rm -f conftest*
 
 
 
@@ -5422,7 +5422,7 @@ if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
 else
   ac_cv_header_stdc=no
 fi
-rm -f -r conftest*
+rm -f conftest*
 
 fi
 
@@ -5443,7 +5443,7 @@ if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
 else
   ac_cv_header_stdc=no
 fi
-rm -f -r conftest*
+rm -f conftest*
 
 fi
 
@@ -6541,7 +6541,7 @@ _ACEOF
 
 
 fi
-rm -f -r conftest*
+rm -f conftest*
 
 { echo "$as_me:$LINENO: result: $was_it_defined" >&5
 echo "${ECHO_T}$was_it_defined" >&6; }
@@ -7071,7 +7071,7 @@ if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
 else
   ac_cv_type_uid_t=no
 fi
-rm -f -r conftest*
+rm -f conftest*
 
 fi
 { echo "$as_me:$LINENO: result: $ac_cv_type_uid_t" >&5
@@ -15731,7 +15731,7 @@ if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
 else
   unistd_defines_pthreads=no
 fi
-rm -f -r conftest*
+rm -f conftest*
 
     { echo "$as_me:$LINENO: result: $unistd_defines_pthreads" >&5
 echo "${ECHO_T}$unistd_defines_pthreads" >&6; }
@@ -17345,7 +17345,7 @@ if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
   $EGREP "yes" >/dev/null 2>&1; then
   ipv6type=$i
 fi
-rm -f -r conftest*
+rm -f conftest*
 
 			;;
 		kame)
@@ -17368,7 +17368,7 @@ if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
 				ipv6libdir=/usr/local/v6/lib
 				ipv6trylibc=yes
 fi
-rm -f -r conftest*
+rm -f conftest*
 
 			;;
 		linux-glibc)
@@ -17389,7 +17389,7 @@ if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
   ipv6type=$i;
 				ipv6trylibc=yes
 fi
-rm -f -r conftest*
+rm -f conftest*
 
 			;;
 		linux-inet6)
@@ -17427,7 +17427,7 @@ if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
 				ipv6lib=inet6;
 				ipv6libdir=/usr/local/v6/lib
 fi
-rm -f -r conftest*
+rm -f conftest*
 
 			;;
 		v6d)
@@ -17450,7 +17450,7 @@ if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
 				ipv6libdir=/usr/local/v6/lib;
 				BASECFLAGS="-I/usr/local/v6/include $BASECFLAGS"
 fi
-rm -f -r conftest*
+rm -f conftest*
 
 			;;
 		zeta)
@@ -17472,7 +17472,7 @@ if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
 				ipv6lib=inet6;
 				ipv6libdir=/usr/local/v6/lib
 fi
-rm -f -r conftest*
+rm -f conftest*
 
 			;;
 		esac
@@ -25580,7 +25580,26 @@ cat >>confdefs.h <<\_ACEOF
 _ACEOF
 
 fi
-rm -f -r conftest*
+rm -f conftest*
+
+  cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <readline/readline.h>
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "extern int rl_completion_suppress_append;" >/dev/null 2>&1; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_RL_COMPLETION_SUPPRESS_APPEND 1
+_ACEOF
+
+fi
+rm -f conftest*
 
 fi
 
@@ -25850,7 +25869,7 @@ cat >>confdefs.h <<\_ACEOF
 _ACEOF
 
 fi
-rm -f -r conftest*
+rm -f conftest*
 
 fi
 

configure.in

@@ -3674,6 +3674,10 @@ then
   [readline/readline.h],
   AC_DEFINE(HAVE_RL_COMPLETION_APPEND_CHARACTER, 1,
   [Define if you have readline 2.2]), )
+  AC_EGREP_HEADER([extern int rl_completion_suppress_append;],
+  [readline/readline.h],
+  AC_DEFINE(HAVE_RL_COMPLETION_SUPPRESS_APPEND, 1,
+  [Define if you have rl_completion_suppress_append]), )
 fi
 
 # check for readline 4.0

pyconfig.h.in

@@ -529,6 +529,9 @@
 /* Define if you have readline 4.2 */
 #undef HAVE_RL_COMPLETION_MATCHES
 
+/* Define if you have rl_completion_suppress_append */
+#undef HAVE_RL_COMPLETION_SUPPRESS_APPEND
+
 /* Define if you have readline 4.0 */
 #undef HAVE_RL_PRE_INPUT_HOOK