Removed the unused former checks for system "gzip" and "gunzip" from

the configuration script.

scripts/configure

@@ -672,8 +672,6 @@ X_PRE_LIBS
 X_CFLAGS
 XMKMF
 PYTHON3
-GUNZIP
-GZIP
 CSH
 GCORE
 EGREP
@@ -5372,103 +5370,6 @@ if test "x${CSH}" = "xno"; then
   as_fn_error $? "cannot find /bin/csh---cannot compile!" "$LINENO" 5
 fi
 
-# Extract the first word of "gzip", so it can be a program name with args.
-set dummy gzip; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_path_GZIP+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  case $GZIP in
-  [\\/]* | ?:[\\/]*)
-  ac_cv_path_GZIP="$GZIP" # Let the user override the test with a path.
-  ;;
-  *)
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_path_GZIP="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-  test -z "$ac_cv_path_GZIP" && ac_cv_path_GZIP="no"
-  ;;
-esac
-fi
-GZIP=$ac_cv_path_GZIP
-if test -n "$GZIP"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $GZIP" >&5
-$as_echo "$GZIP" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-if test "x${GZIP}" = "xno"; then
-  as_fn_error $? "cannot find gzip---will not be able to compress large files" "$LINENO" 5
-else
-  $as_echo "#define HAVE_GZIP 1" >>confdefs.h
-
-fi
-
-# Extract the first word of "gunzip", so it can be a program name with args.
-set dummy gunzip; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if ${ac_cv_path_GUNZIP+:} false; then :
-  $as_echo_n "(cached) " >&6
-else
-  case $GUNZIP in
-  [\\/]* | ?:[\\/]*)
-  ac_cv_path_GUNZIP="$GUNZIP" # Let the user override the test with a path.
-  ;;
-  *)
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-    for ac_exec_ext in '' $ac_executable_extensions; do
-  if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
-    ac_cv_path_GUNZIP="$as_dir/$ac_word$ac_exec_ext"
-    $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
-    break 2
-  fi
-done
-  done
-IFS=$as_save_IFS
-
-  test -z "$ac_cv_path_GUNZIP" && ac_cv_path_GUNZIP="no"
-  ;;
-esac
-fi
-GUNZIP=$ac_cv_path_GUNZIP
-if test -n "$GUNZIP"; then
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: $GUNZIP" >&5
-$as_echo "$GUNZIP" >&6; }
-else
-  { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-if test "x${GUNZIP}" = "xno"; then
-  as_fn_error $? "cannot find gunzip---will not be able to automatically uncompress files" "$LINENO" 5
-else
-  $as_echo "#define HAVE_GUNZIP 1" >>confdefs.h
-
-fi
-
-
 # Extract the first word of "python3", so it can be a program name with args.
 set dummy python3; ac_word=$2
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5

scripts/configure.in

@@ -288,23 +288,6 @@ if test "x${CSH}" = "xno"; then
   AC_MSG_ERROR([cannot find /bin/csh---cannot compile!])
 fi
 
-dnl gzip and gunzip are used for file compression and uncompression of
-dnl large files (e.g., GDS)
-AC_PATH_PROG([GZIP], [gzip], [no])
-if test "x${GZIP}" = "xno"; then
-  AC_MSG_ERROR([cannot find gzip---will not be able to compress large files])
-else
-  AC_DEFINE(HAVE_GZIP)
-fi
-
-AC_PATH_PROG([GUNZIP], [gunzip], [no])
-if test "x${GUNZIP}" = "xno"; then
-  AC_MSG_ERROR([cannot find gunzip---will not be able to automatically uncompress files])
-else
-  AC_DEFINE(HAVE_GUNZIP)
-fi
-
-
 dnl Python3 is preferred for running the preprocessor script
 dnl but CPP can be used instead.
 AC_PATH_PROG([PYTHON3], [python3], [no])