diff --git a/Misc/NEWS b/Misc/NEWS
index 4616da8..fcda7fd 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,9 @@
 Core and Builtins
 -----------------
 
+- Issue #7085: Fix crash when importing some extensions in a thread
+  on MacOSX 10.6.
+
 - Issue #7117: Backport round implementation from Python 3.x.  round
   now uses David Gay's correctly-rounded string <-> double conversions
   (when available), and so produces correctly rounded results.  There
diff --git a/configure b/configure
index 367c879..4df297a 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.in Revision: 76300 .
+# From configure.in Revision: 76308 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.61 for python 2.7.
 #
@@ -3865,7 +3865,7 @@
   { echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6; }
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 
 
@@ -5413,7 +5413,7 @@
 else
   ac_cv_header_stdc=no
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 fi
 
@@ -5434,7 +5434,7 @@
 else
   ac_cv_header_stdc=no
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 fi
 
@@ -6532,7 +6532,7 @@
 
 
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 { echo "$as_me:$LINENO: result: $was_it_defined" >&5
 echo "${ECHO_T}$was_it_defined" >&6; }
@@ -7062,7 +7062,7 @@
 else
   ac_cv_type_uid_t=no
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 fi
 { echo "$as_me:$LINENO: result: $ac_cv_type_uid_t" >&5
@@ -15722,7 +15722,7 @@
 else
   unistd_defines_pthreads=no
 fi
-rm -f conftest*
+rm -f -r conftest*
 
     { echo "$as_me:$LINENO: result: $unistd_defines_pthreads" >&5
 echo "${ECHO_T}$unistd_defines_pthreads" >&6; }
@@ -17336,7 +17336,7 @@
   $EGREP "yes" >/dev/null 2>&1; then
   ipv6type=$i
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 			;;
 		kame)
@@ -17359,7 +17359,7 @@
 				ipv6libdir=/usr/local/v6/lib
 				ipv6trylibc=yes
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 			;;
 		linux-glibc)
@@ -17380,7 +17380,7 @@
   ipv6type=$i;
 				ipv6trylibc=yes
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 			;;
 		linux-inet6)
@@ -17418,7 +17418,7 @@
 				ipv6lib=inet6;
 				ipv6libdir=/usr/local/v6/lib
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 			;;
 		v6d)
@@ -17441,7 +17441,7 @@
 				ipv6libdir=/usr/local/v6/lib;
 				BASECFLAGS="-I/usr/local/v6/include $BASECFLAGS"
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 			;;
 		zeta)
@@ -17463,7 +17463,7 @@
 				ipv6lib=inet6;
 				ipv6libdir=/usr/local/v6/lib
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 			;;
 		esac
@@ -25744,7 +25744,7 @@
 _ACEOF
 
 fi
-rm -f conftest*
+rm -f -r conftest*
 
   cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
@@ -25763,7 +25763,7 @@
 _ACEOF
 
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 fi
 
@@ -26033,7 +26033,7 @@
 _ACEOF
 
 fi
-rm -f conftest*
+rm -f -r conftest*
 
 fi
 
@@ -27111,6 +27111,11 @@
 
 fi
 
+if test $ac_sys_system = Darwin
+then
+	LIBS="$LIBS -framework CoreFoundation"
+fi
+
 
 { echo "$as_me:$LINENO: checking for %zd printf() format support" >&5
 echo $ECHO_N "checking for %zd printf() format support... $ECHO_C" >&6; }
diff --git a/configure.in b/configure.in
index fe8bb2b..c3a1678 100644
--- a/configure.in
+++ b/configure.in
@@ -3999,6 +3999,11 @@
   [Define to printf format modifier for long long type])
 fi
 
+if test $ac_sys_system = Darwin
+then
+	LIBS="$LIBS -framework CoreFoundation"
+fi
+
 
 AC_CACHE_CHECK([for %zd printf() format support], ac_cv_have_size_t_format, [dnl
 AC_TRY_RUN([