add a --with-system-expat option to build pyexpat against the system's lib #7609
diff --git a/configure b/configure
index 1fe5453..7b99041 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.in Revision: 76644 .
+# From configure.in Revision: 77031 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.61 for python 2.7.
 #
@@ -1348,6 +1348,8 @@
   --with-suffix=.exe      set executable suffix
   --with-pydebug          build with Py_DEBUG defined
   --with-libs='lib1 ...'  link against additional libs
+  --with-system-expat     build pyexpat module using an installed expat
+                          library
   --with-system-ffi       build _ctypes module using an installed ffi library
   --with-dbmliborder=db1:db2:...
                           order to check db backends for dbm. Valid value is a
@@ -3857,7 +3859,7 @@
   { echo "$as_me:$LINENO: result: no" >&5
 echo "${ECHO_T}no" >&6; }
 fi
-rm -f -r conftest*
+rm -f conftest*
 
 
 
@@ -5410,7 +5412,7 @@
 else
   ac_cv_header_stdc=no
 fi
-rm -f -r conftest*
+rm -f conftest*
 
 fi
 
@@ -5431,7 +5433,7 @@
 else
   ac_cv_header_stdc=no
 fi
-rm -f -r conftest*
+rm -f conftest*
 
 fi
 
@@ -6529,7 +6531,7 @@
 
 
 fi
-rm -f -r conftest*
+rm -f conftest*
 
 { echo "$as_me:$LINENO: result: $was_it_defined" >&5
 echo "${ECHO_T}$was_it_defined" >&6; }
@@ -7059,7 +7061,7 @@
 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
@@ -15513,6 +15515,19 @@
 fi
 
 
+# Check for use of the system expat library
+{ echo "$as_me:$LINENO: checking for --with-system-expat" >&5
+echo $ECHO_N "checking for --with-system-expat... $ECHO_C" >&6; }
+
+# Check whether --with-system_expat was given.
+if test "${with_system_expat+set}" = set; then
+  withval=$with_system_expat;
+fi
+
+
+{ echo "$as_me:$LINENO: result: $with_system_expat" >&5
+echo "${ECHO_T}$with_system_expat" >&6; }
+
 # Check for use of the system libffi library
 { echo "$as_me:$LINENO: checking for --with-system-ffi" >&5
 echo $ECHO_N "checking for --with-system-ffi... $ECHO_C" >&6; }
@@ -15719,7 +15734,7 @@
 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; }
@@ -17333,7 +17348,7 @@
   $EGREP "yes" >/dev/null 2>&1; then
   ipv6type=$i
 fi
-rm -f -r conftest*
+rm -f conftest*
 
 			;;
 		kame)
@@ -17356,7 +17371,7 @@
 				ipv6libdir=/usr/local/v6/lib
 				ipv6trylibc=yes
 fi
-rm -f -r conftest*
+rm -f conftest*
 
 			;;
 		linux-glibc)
@@ -17377,7 +17392,7 @@
   ipv6type=$i;
 				ipv6trylibc=yes
 fi
-rm -f -r conftest*
+rm -f conftest*
 
 			;;
 		linux-inet6)
@@ -17415,7 +17430,7 @@
 				ipv6lib=inet6;
 				ipv6libdir=/usr/local/v6/lib
 fi
-rm -f -r conftest*
+rm -f conftest*
 
 			;;
 		v6d)
@@ -17438,7 +17453,7 @@
 				ipv6libdir=/usr/local/v6/lib;
 				BASECFLAGS="-I/usr/local/v6/include $BASECFLAGS"
 fi
-rm -f -r conftest*
+rm -f conftest*
 
 			;;
 		zeta)
@@ -17460,7 +17475,7 @@
 				ipv6lib=inet6;
 				ipv6libdir=/usr/local/v6/lib
 fi
-rm -f -r conftest*
+rm -f conftest*
 
 			;;
 		esac
@@ -26003,7 +26018,7 @@
 _ACEOF
 
 fi
-rm -f -r conftest*
+rm -f conftest*
 
   cat >conftest.$ac_ext <<_ACEOF
 /* confdefs.h.  */
@@ -26022,7 +26037,7 @@
 _ACEOF
 
 fi
-rm -f -r conftest*
+rm -f conftest*
 
 fi
 
@@ -26292,7 +26307,7 @@
 _ACEOF
 
 fi
-rm -f -r conftest*
+rm -f conftest*
 
 fi