1 files changed, 0 insertions, 67 deletions
diff --git a/configure.ac b/configure.ac
index 0e95920..b45e9d1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2527,73 +2527,6 @@ if test -n "$PARALLEL"; then
   fi
 fi
 
-## ----------------------------------------------------------------------
-## Turn on internal I/O filters by setting macros in header files
-## Internal I/O filters are contained entirely within the library and do
-## not depend on external headers or libraries.  The shuffle filter is
-## an example of an internal filter, while the gzip filter is an example of
-## an external filter.  Each external filter is controlled with an
-## "--with-foo=" configure flag.
-##
-AC_SUBST([FILTERS])
-AC_SUBST([USE_FILTER_SHUFFLE]) USE_FILTER_SHUFFLE="no"
-AC_SUBST([USE_FILTER_FLETCHER32]) USE_FILTER_FLETCHER32="no"
-AC_SUBST([USE_FILTER_NBIT]) USE_FILTER_NBIT="no"
-AC_SUBST([USE_FILTER_SCALEOFFSET]) USE_FILTER_SCALEOFFSET="no"
-AC_MSG_CHECKING([for I/O filters])
-AC_ARG_ENABLE([filters],
-              [AS_HELP_STRING([--enable-filters=all],
-                              [Turn on all internal I/O filters. One may
-                               also specify a comma-separated list of filters
-                               or the word no.  The default is all internal
-                               I/O filters.])],
-              [FILTERS=$enableval])
-
-## Eventually: all_filters="shuffle,foo,bar,baz"
-all_filters="shuffle,fletcher32,nbit,scaleoffset"
-case "X-$FILTERS" in
-  X-|X-all)
-    FILTERS=$all_filters
-    AC_MSG_RESULT([all ($FILTERS)])
-    ;;
-  X-no|X-none)
-    AC_MSG_RESULT([none])
-    FILTERS="none"
-    ;;
-  *)
-    AC_MSG_RESULT([$FILTERS])
-    ;;
-esac
-
-if test -n "$FILTERS"; then
-  for filter in `echo $FILTERS | tr ${as_cr_letters}',' ${as_cr_LETTERS}' '`; do
-    ## ------------------------------------------------------------------
-    ## Have to use separate 'if' construct for each filter, so that
-    ## autoheader can detect the AC_DEFINE for each one...
-    ##
-    if test $filter = "SHUFFLE"; then
-      AC_DEFINE([HAVE_FILTER_SHUFFLE], [1],
-                [Define if support for shuffle filter is enabled])
-      USE_FILTER_SHUFFLE="yes"
-    fi
-    if test $filter = "FLETCHER32"; then
-      AC_DEFINE([HAVE_FILTER_FLETCHER32], [1],
-                [Define if support for Fletcher32 checksum is enabled])
-      USE_FILTER_FLETCHER32="yes"
-    fi
-    if test $filter = "NBIT"; then
-      AC_DEFINE([HAVE_FILTER_NBIT], [1],
-                [Define if support for nbit filter is enabled])
-      USE_FILTER_NBIT="yes"
-    fi
-    if test $filter = "SCALEOFFSET"; then
-      AC_DEFINE([HAVE_FILTER_SCALEOFFSET], [1],
-                [Define if support for scaleoffset filter is enabled])
-      USE_FILTER_SCALEOFFSET="yes"
-    fi
-  done
-fi
-
 ## --------------------------------------------------------------------------
 ## Should the Default Virtual File Driver be compiled?
 ##