Patch #1503046, Conditional compilation of zlib.(de)compressobj.copy

copy is only in newer versions of zlib.  This should allow zlibmodule
to work with older versions like the Tru64 buildbot.
diff --git a/configure b/configure
index b698807..ca50d4b 100755
--- a/configure
+++ b/configure
@@ -1,5 +1,5 @@
 #! /bin/sh
-# From configure.in Revision: 46720 .
+# From configure.in Revision: 46879 .
 # Guess values for system-dependent variables and create Makefiles.
 # Generated by GNU Autoconf 2.59 for python 2.5.
 #
@@ -14980,6 +14980,79 @@
 fi
 
 
+echo "$as_me:$LINENO: checking for inflateCopy in -lz" >&5
+echo $ECHO_N "checking for inflateCopy in -lz... $ECHO_C" >&6
+if test "${ac_cv_lib_z_inflateCopy+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lz  $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char inflateCopy ();
+int
+main ()
+{
+inflateCopy ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+	 { ac_try='test -z "$ac_c_werror_flag"
+			 || test ! -s conftest.err'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; } &&
+	 { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_lib_z_inflateCopy=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_lib_z_inflateCopy=no
+fi
+rm -f conftest.err conftest.$ac_objext \
+      conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+echo "$as_me:$LINENO: result: $ac_cv_lib_z_inflateCopy" >&5
+echo "${ECHO_T}$ac_cv_lib_z_inflateCopy" >&6
+if test $ac_cv_lib_z_inflateCopy = yes; then
+
+cat >>confdefs.h <<\_ACEOF
+#define HAVE_ZLIB_COPY 1
+_ACEOF
+
+fi
+
+
 echo "$as_me:$LINENO: checking for hstrerror" >&5
 echo $ECHO_N "checking for hstrerror... $ECHO_C" >&6
 cat >conftest.$ac_ext <<_ACEOF
@@ -22056,10 +22129,9 @@
   # 1. Remove the extension, and $U if already installed.
   ac_i=`echo "$ac_i" |
 	 sed 's/\$U\././;s/\.o$//;s/\.obj$//'`
-  # 2. Prepend LIBOBJDIR.  When used with automake>=1.10 LIBOBJDIR
-  #    will be set to the directory where LIBOBJS objects are built.
-  ac_libobjs="$ac_libobjs \${LIBOBJDIR}$ac_i\$U.$ac_objext"
-  ac_ltlibobjs="$ac_ltlibobjs \${LIBOBJDIR}$ac_i"'$U.lo'
+  # 2. Add them.
+  ac_libobjs="$ac_libobjs $ac_i\$U.$ac_objext"
+  ac_ltlibobjs="$ac_ltlibobjs $ac_i"'$U.lo'
 done
 LIBOBJS=$ac_libobjs