diff --git a/libdnet-stripped/configure b/libdnet-stripped/configure
index c0d6d9ab7..3fe0cf678 100755
--- a/libdnet-stripped/configure
+++ b/libdnet-stripped/configure
@@ -1,9 +1,9 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.72 for libdnet 1.18.0.
+# Generated by GNU Autoconf 2.71 for libdnet 1.18.0.
 #
 #
-# Copyright (C) 1992-1996, 1998-2017, 2020-2023 Free Software Foundation,
+# Copyright (C) 1992-1996, 1998-2017, 2020-2021 Free Software Foundation,
 # Inc.
 #
 #
@@ -15,6 +15,7 @@
 
 # Be more Bourne compatible
 DUALCASE=1; export DUALCASE # for MKS sh
+as_nop=:
 if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
 then :
   emulate sh
@@ -23,13 +24,12 @@ then :
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
-else case e in #(
-  e) case `(set -o) 2>/dev/null` in #(
+else $as_nop
+  case `(set -o) 2>/dev/null` in #(
   *posix*) :
     set -o posix ;; #(
   *) :
      ;;
-esac ;;
 esac
 fi
 
@@ -101,7 +101,7 @@ IFS=$as_save_IFS
 
      ;;
 esac
-# We did not find ourselves, most probably we were run as 'sh COMMAND'
+# We did not find ourselves, most probably we were run as `sh COMMAND'
 # in which case we are not to be found in the path.
 if test "x$as_myself" = x; then
   as_myself=$0
@@ -131,14 +131,15 @@ case $- in # ((((
 esac
 exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
 # Admittedly, this is quite paranoid, since all the known shells bail
-# out after a failed 'exec'.
+# out after a failed `exec'.
 printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2
 exit 255
   fi
   # We don't want this to propagate to other subprocesses.
           { _as_can_reexec=; unset _as_can_reexec;}
 if test "x$CONFIG_SHELL" = x; then
-  as_bourne_compatible="if test \${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
+  as_bourne_compatible="as_nop=:
+if test \${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
 then :
   emulate sh
   NULLCMD=:
@@ -146,13 +147,12 @@ then :
   # is contrary to our usage.  Disable this feature.
   alias -g '\${1+\"\$@\"}'='\"\$@\"'
   setopt NO_GLOB_SUBST
-else case e in #(
-  e) case \`(set -o) 2>/dev/null\` in #(
+else \$as_nop
+  case \`(set -o) 2>/dev/null\` in #(
   *posix*) :
     set -o posix ;; #(
   *) :
      ;;
-esac ;;
 esac
 fi
 "
@@ -170,9 +170,8 @@ as_fn_ret_failure && { exitcode=1; echo as_fn_ret_failure succeeded.; }
 if ( set x; as_fn_ret_success y && test x = \"\$1\" )
 then :
 
-else case e in #(
-  e) exitcode=1; echo positional parameters were not saved. ;;
-esac
+else \$as_nop
+  exitcode=1; echo positional parameters were not saved.
 fi
 test x\$exitcode = x0 || exit 1
 blah=\$(echo \$(echo blah))
@@ -194,15 +193,14 @@ test \$(( 1 + 1 )) = 2 || exit 1"
   if (eval "$as_required") 2>/dev/null
 then :
   as_have_required=yes
-else case e in #(
-  e) as_have_required=no ;;
-esac
+else $as_nop
+  as_have_required=no
 fi
   if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null
 then :
 
-else case e in #(
-  e) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+else $as_nop
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 as_found=false
 for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
 do
@@ -235,13 +233,12 @@ IFS=$as_save_IFS
 if $as_found
 then :
 
-else case e in #(
-  e) if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
+else $as_nop
+  if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
 	      as_run=a "$SHELL" -c "$as_bourne_compatible""$as_required" 2>/dev/null
 then :
   CONFIG_SHELL=$SHELL as_have_required=yes
-fi ;;
-esac
+fi
 fi
 
 
@@ -263,7 +260,7 @@ case $- in # ((((
 esac
 exec $CONFIG_SHELL $as_opts "$as_myself" ${1+"$@"}
 # Admittedly, this is quite paranoid, since all the known shells bail
-# out after a failed 'exec'.
+# out after a failed `exec'.
 printf "%s\n" "$0: could not re-execute with $CONFIG_SHELL" >&2
 exit 255
 fi
@@ -282,8 +279,7 @@ $0: message. Then install a modern shell, or manually run
 $0: the script under such a shell if you do have one."
   fi
   exit 1
-fi ;;
-esac
+fi
 fi
 fi
 SHELL=${CONFIG_SHELL-/bin/sh}
@@ -322,6 +318,14 @@ as_fn_exit ()
   as_fn_set_status $1
   exit $1
 } # as_fn_exit
+# as_fn_nop
+# ---------
+# Do nothing but, unlike ":", preserve the value of $?.
+as_fn_nop ()
+{
+  return $?
+}
+as_nop=as_fn_nop
 
 # as_fn_mkdir_p
 # -------------
@@ -390,12 +394,11 @@ then :
   {
     eval $1+=\$2
   }'
-else case e in #(
-  e) as_fn_append ()
+else $as_nop
+  as_fn_append ()
   {
     eval $1=\$$1\$2
-  } ;;
-esac
+  }
 fi # as_fn_append
 
 # as_fn_arith ARG...
@@ -409,14 +412,21 @@ then :
   {
     as_val=$(( $* ))
   }'
-else case e in #(
-  e) as_fn_arith ()
+else $as_nop
+  as_fn_arith ()
   {
     as_val=`expr "$@" || test $? -eq 1`
-  } ;;
-esac
+  }
 fi # as_fn_arith
 
+# as_fn_nop
+# ---------
+# Do nothing but, unlike ":", preserve the value of $?.
+as_fn_nop ()
+{
+  return $?
+}
+as_nop=as_fn_nop
 
 # as_fn_error STATUS ERROR [LINENO LOG_FD]
 # ----------------------------------------
@@ -490,8 +500,6 @@ as_cr_alnum=$as_cr_Letters$as_cr_digits
     /[$]LINENO/=
   ' <$as_myself |
     sed '
-      t clear
-      :clear
       s/[$]LINENO.*/&-/
       t lineno
       b
@@ -540,6 +548,7 @@ esac
 as_echo='printf %s\n'
 as_echo_n='printf %s'
 
+
 rm -f conf$$ conf$$.exe conf$$.file
 if test -d conf$$.dir; then
   rm -f conf$$.dir/conf$$.file
@@ -551,9 +560,9 @@ if (echo >conf$$.file) 2>/dev/null; then
   if ln -s conf$$.file conf$$ 2>/dev/null; then
     as_ln_s='ln -s'
     # ... but there are two gotchas:
-    # 1) On MSYS, both 'ln -s file dir' and 'ln file dir' fail.
-    # 2) DJGPP < 2.04 has no symlinks; 'ln -s' creates a wrapper executable.
-    # In both cases, we have to default to 'cp -pR'.
+    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+    # In both cases, we have to default to `cp -pR'.
     ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
       as_ln_s='cp -pR'
   elif ln conf$$.file conf$$ 2>/dev/null; then
@@ -578,12 +587,10 @@ as_test_x='test -x'
 as_executable_p=as_fn_executable_p
 
 # Sed expression to map a string onto a valid CPP name.
-as_sed_cpp="y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g"
-as_tr_cpp="eval sed '$as_sed_cpp'" # deprecated
+as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
 
 # Sed expression to map a string onto a valid variable name.
-as_sed_sh="y%*+%pp%;s%[^_$as_cr_alnum]%_%g"
-as_tr_sh="eval sed '$as_sed_sh'" # deprecated
+as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
 
 SHELL=${CONFIG_SHELL-/bin/sh}
 
@@ -652,6 +659,7 @@ ac_subst_vars='am__EXEEXT_FALSE
 am__EXEEXT_TRUE
 LTLIBOBJS
 LIBOBJS
+CPP
 STRLCPY_HEADER
 MAINT
 MAINTAINER_MODE_FALSE
@@ -798,7 +806,8 @@ CFLAGS
 LDFLAGS
 LIBS
 CPPFLAGS
-LT_SYS_LIBRARY_PATH'
+LT_SYS_LIBRARY_PATH
+CPP'
 
 
 # Initialize some variables set by options.
@@ -907,7 +916,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*disable-\(.*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid feature name: '$ac_useropt'"
+      as_fn_error $? "invalid feature name: \`$ac_useropt'"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -933,7 +942,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*enable-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid feature name: '$ac_useropt'"
+      as_fn_error $? "invalid feature name: \`$ac_useropt'"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1146,7 +1155,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*with-\([^=]*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid package name: '$ac_useropt'"
+      as_fn_error $? "invalid package name: \`$ac_useropt'"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1162,7 +1171,7 @@ do
     ac_useropt=`expr "x$ac_option" : 'x-*without-\(.*\)'`
     # Reject names that are not valid shell variable names.
     expr "x$ac_useropt" : ".*[^-+._$as_cr_alnum]" >/dev/null &&
-      as_fn_error $? "invalid package name: '$ac_useropt'"
+      as_fn_error $? "invalid package name: \`$ac_useropt'"
     ac_useropt_orig=$ac_useropt
     ac_useropt=`printf "%s\n" "$ac_useropt" | sed 's/[-+.]/_/g'`
     case $ac_user_opts in
@@ -1192,8 +1201,8 @@ do
   | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
     x_libraries=$ac_optarg ;;
 
-  -*) as_fn_error $? "unrecognized option: '$ac_option'
-Try '$0 --help' for more information"
+  -*) as_fn_error $? "unrecognized option: \`$ac_option'
+Try \`$0 --help' for more information"
     ;;
 
   *=*)
@@ -1201,7 +1210,7 @@ Try '$0 --help' for more information"
     # Reject names that are not valid shell variable names.
     case $ac_envvar in #(
       '' | [0-9]* | *[!_$as_cr_alnum]* )
-      as_fn_error $? "invalid variable name: '$ac_envvar'" ;;
+      as_fn_error $? "invalid variable name: \`$ac_envvar'" ;;
     esac
     eval $ac_envvar=\$ac_optarg
     export $ac_envvar ;;
@@ -1251,7 +1260,7 @@ do
   as_fn_error $? "expected an absolute directory name for --$ac_var: $ac_val"
 done
 
-# There might be people who depend on the old broken behavior: '$host'
+# There might be people who depend on the old broken behavior: `$host'
 # used to hold the argument of --host etc.
 # FIXME: To remove some day.
 build=$build_alias
@@ -1319,7 +1328,7 @@ if test ! -r "$srcdir/$ac_unique_file"; then
   test "$ac_srcdir_defaulted" = yes && srcdir="$ac_confdir or .."
   as_fn_error $? "cannot find sources ($ac_unique_file) in $srcdir"
 fi
-ac_msg="sources are in $srcdir, but 'cd $srcdir' does not work"
+ac_msg="sources are in $srcdir, but \`cd $srcdir' does not work"
 ac_abs_confdir=`(
 	cd "$srcdir" && test -r "./$ac_unique_file" || as_fn_error $? "$ac_msg"
 	pwd)`
@@ -1347,7 +1356,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-'configure' configures libdnet 1.18.0 to adapt to many kinds of systems.
+\`configure' configures libdnet 1.18.0 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1361,11 +1370,11 @@ Configuration:
       --help=short        display options specific to this package
       --help=recursive    display the short help of all the included packages
   -V, --version           display version information and exit
-  -q, --quiet, --silent   do not print 'checking ...' messages
+  -q, --quiet, --silent   do not print \`checking ...' messages
       --cache-file=FILE   cache test results in FILE [disabled]
-  -C, --config-cache      alias for '--cache-file=config.cache'
+  -C, --config-cache      alias for \`--cache-file=config.cache'
   -n, --no-create         do not create output files
-      --srcdir=DIR        find the sources in DIR [configure dir or '..']
+      --srcdir=DIR        find the sources in DIR [configure dir or \`..']
 
 Installation directories:
   --prefix=PREFIX         install architecture-independent files in PREFIX
@@ -1373,10 +1382,10 @@ Installation directories:
   --exec-prefix=EPREFIX   install architecture-dependent files in EPREFIX
                           [PREFIX]
 
-By default, 'make install' will install all the files in
-'$ac_default_prefix/bin', '$ac_default_prefix/lib' etc.  You can specify
-an installation prefix other than '$ac_default_prefix' using '--prefix',
-for instance '--prefix=\$HOME'.
+By default, \`make install' will install all the files in
+\`$ac_default_prefix/bin', \`$ac_default_prefix/lib' etc.  You can specify
+an installation prefix other than \`$ac_default_prefix' using \`--prefix',
+for instance \`--prefix=\$HOME'.
 
 For better control, use the options below.
 
@@ -1464,8 +1473,9 @@ Some influential environment variables:
               you have headers in a nonstandard directory <include dir>
   LT_SYS_LIBRARY_PATH
               User-defined run-time library search path.
+  CPP         C preprocessor
 
-Use these variables to override the choices made by 'configure' or to help
+Use these variables to override the choices made by `configure' or to help
 it to find libraries and programs with nonstandard names/locations.
 
 Report bugs to the package provider.
@@ -1533,9 +1543,9 @@ test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
 libdnet configure 1.18.0
-generated by GNU Autoconf 2.72
+generated by GNU Autoconf 2.71
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2021 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it.
 _ACEOF
@@ -1574,12 +1584,11 @@ printf "%s\n" "$ac_try_echo"; } >&5
        } && test -s conftest.$ac_objext
 then :
   ac_retval=0
-else case e in #(
-  e) printf "%s\n" "$as_me: failed program was:" >&5
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_retval=1 ;;
-esac
+	ac_retval=1
 fi
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
@@ -1617,12 +1626,11 @@ printf "%s\n" "$ac_try_echo"; } >&5
        }
 then :
   ac_retval=0
-else case e in #(
-  e) printf "%s\n" "$as_me: failed program was:" >&5
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_retval=1 ;;
-esac
+	ac_retval=1
 fi
   # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
   # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
@@ -1646,8 +1654,8 @@ printf %s "checking for $2... " >&6; }
 if eval test \${$3+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $4
 #include <$2>
@@ -1655,12 +1663,10 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   eval "$3=yes"
-else case e in #(
-  e) eval "$3=no" ;;
-esac
+else $as_nop
+  eval "$3=no"
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
-esac
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 eval ac_res=\$$3
 	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
@@ -1680,15 +1686,15 @@ printf %s "checking for $2... " >&6; }
 if eval test \${$3+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 /* Define $2 to an innocuous variant, in case <limits.h> declares $2.
    For example, HP-UX 11i <limits.h> declares gettimeofday.  */
 #define $2 innocuous_$2
 
 /* System header to define __stub macros and hopefully few prototypes,
-   which can conflict with char $2 (void); below.  */
+   which can conflict with char $2 (); below.  */
 
 #include <limits.h>
 #undef $2
@@ -1699,7 +1705,7 @@ else case e in #(
 #ifdef __cplusplus
 extern "C"
 #endif
-char $2 (void);
+char $2 ();
 /* The GNU C library defines this for functions which it implements
     to always fail with ENOSYS.  Some functions are actually named
     something starting with __ and the normal name is an alias.  */
@@ -1718,13 +1724,11 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   eval "$3=yes"
-else case e in #(
-  e) eval "$3=no" ;;
-esac
+else $as_nop
+  eval "$3=no"
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
-    conftest$ac_exeext conftest.$ac_ext ;;
-esac
+    conftest$ac_exeext conftest.$ac_ext
 fi
 eval ac_res=\$$3
 	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
@@ -1745,8 +1749,8 @@ printf %s "checking for $2... " >&6; }
 if eval test \${$3+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) eval "$3=no"
+else $as_nop
+  eval "$3=no"
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $4
@@ -1776,14 +1780,12 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
 
-else case e in #(
-  e) eval "$3=yes" ;;
-esac
+else $as_nop
+  eval "$3=yes"
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
-esac
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 eval ac_res=\$$3
 	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
@@ -1792,6 +1794,44 @@ printf "%s\n" "$ac_res" >&6; }
 
 } # ac_fn_c_check_type
 
+# ac_fn_c_try_cpp LINENO
+# ----------------------
+# Try to preprocess conftest.$ac_ext, and return whether this succeeded.
+ac_fn_c_try_cpp ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { { ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+printf "%s\n" "$ac_try_echo"; } >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } > conftest.i && {
+	 test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+	 test ! -s conftest.err
+       }
+then :
+  ac_retval=0
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+    ac_retval=1
+fi
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_c_try_cpp
+
 # ac_fn_c_try_run LINENO
 # ----------------------
 # Try to run conftest.$ac_ext, and return whether this succeeded. Assumes that
@@ -1822,13 +1862,12 @@ printf "%s\n" "$ac_try_echo"; } >&5
   test $ac_status = 0; }; }
 then :
   ac_retval=0
-else case e in #(
-  e) printf "%s\n" "$as_me: program exited with status $ac_status" >&5
+else $as_nop
+  printf "%s\n" "$as_me: program exited with status $ac_status" >&5
        printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-       ac_retval=$ac_status ;;
-esac
+       ac_retval=$ac_status
 fi
   rm -rf conftest.dSYM conftest_ipa8_conftest.oo
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
@@ -1860,7 +1899,7 @@ This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
 It was created by libdnet $as_me 1.18.0, which was
-generated by GNU Autoconf 2.72.  Invocation command line was
+generated by GNU Autoconf 2.71.  Invocation command line was
 
   $ $0$ac_configure_args_raw
 
@@ -2106,10 +2145,10 @@ esac
 printf "%s\n" "$as_me: loading site script $ac_site_file" >&6;}
     sed 's/^/| /' "$ac_site_file" >&5
     . "$ac_site_file" \
-      || { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
+      || { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "failed to load site script $ac_site_file
-See 'config.log' for more details" "$LINENO" 5; }
+See \`config.log' for more details" "$LINENO" 5; }
   fi
 done
 
@@ -2145,7 +2184,9 @@ struct stat;
 /* Most of the following tests are stolen from RCS 5.7 src/conf.sh.  */
 struct buf { int x; };
 struct buf * (*rcsopen) (struct buf *, struct stat *, int);
-static char *e (char **p, int i)
+static char *e (p, i)
+     char **p;
+     int i;
 {
   return p[i];
 }
@@ -2159,21 +2200,6 @@ static char *f (char * (*g) (char **, int), char **p, ...)
   return s;
 }
 
-/* C89 style stringification. */
-#define noexpand_stringify(a) #a
-const char *stringified = noexpand_stringify(arbitrary+token=sequence);
-
-/* C89 style token pasting.  Exercises some of the corner cases that
-   e.g. old MSVC gets wrong, but not very hard. */
-#define noexpand_concat(a,b) a##b
-#define expand_concat(a,b) noexpand_concat(a,b)
-extern int vA;
-extern int vbee;
-#define aye A
-#define bee B
-int *pvA = &expand_concat(v,aye);
-int *pvbee = &noexpand_concat(v,bee);
-
 /* OSF 4.0 Compaq cc is some sort of almost-ANSI by default.  It has
    function prototypes and stuff, but not \xHH hex character constants.
    These do not provoke an error unfortunately, instead are silently treated
@@ -2201,19 +2227,16 @@ ok |= (argc == 0 || f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]);
 
 # Test code for whether the C compiler supports C99 (global declarations)
 ac_c_conftest_c99_globals='
-/* Does the compiler advertise C99 conformance? */
+// Does the compiler advertise C99 conformance?
 #if !defined __STDC_VERSION__ || __STDC_VERSION__ < 199901L
 # error "Compiler does not advertise C99 conformance"
 #endif
 
-// See if C++-style comments work.
-
 #include <stdbool.h>
 extern int puts (const char *);
 extern int printf (const char *, ...);
 extern int dprintf (int, const char *, ...);
 extern void *malloc (size_t);
-extern void free (void *);
 
 // Check varargs macros.  These examples are taken from C99 6.10.3.5.
 // dprintf is used instead of fprintf to avoid needing to declare
@@ -2263,6 +2286,7 @@ typedef const char *ccp;
 static inline int
 test_restrict (ccp restrict text)
 {
+  // See if C++-style comments work.
   // Iterate through items via the restricted pointer.
   // Also check for declarations in for loops.
   for (unsigned int i = 0; *(text+i) != '\''\0'\''; ++i)
@@ -2328,8 +2352,6 @@ ac_c_conftest_c99_main='
   ia->datasize = 10;
   for (int i = 0; i < ia->datasize; ++i)
     ia->data[i] = i * 1.234;
-  // Work around memory leak warnings.
-  free (ia);
 
   // Check named initializers.
   struct named_init ni = {
@@ -2351,7 +2373,7 @@ ac_c_conftest_c99_main='
 
 # Test code for whether the C compiler supports C11 (global declarations)
 ac_c_conftest_c11_globals='
-/* Does the compiler advertise C11 conformance? */
+// Does the compiler advertise C11 conformance?
 #if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112L
 # error "Compiler does not advertise C11 conformance"
 #endif
@@ -2543,9 +2565,8 @@ IFS=$as_save_IFS
 if $as_found
 then :
 
-else case e in #(
-  e) as_fn_error $? "cannot find required auxiliary files:$ac_missing_aux_files" "$LINENO" 5 ;;
-esac
+else $as_nop
+  as_fn_error $? "cannot find required auxiliary files:$ac_missing_aux_files" "$LINENO" 5
 fi
 
 
@@ -2573,12 +2594,12 @@ for ac_var in $ac_precious_vars; do
   eval ac_new_val=\$ac_env_${ac_var}_value
   case $ac_old_set,$ac_new_set in
     set,)
-      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: '$ac_var' was set to '$ac_old_val' in the previous run" >&5
-printf "%s\n" "$as_me: error: '$ac_var' was set to '$ac_old_val' in the previous run" >&2;}
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5
+printf "%s\n" "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,set)
-      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: '$ac_var' was not set in the previous run" >&5
-printf "%s\n" "$as_me: error: '$ac_var' was not set in the previous run" >&2;}
+      { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5
+printf "%s\n" "$as_me: error: \`$ac_var' was not set in the previous run" >&2;}
       ac_cache_corrupted=: ;;
     ,);;
     *)
@@ -2587,18 +2608,18 @@ printf "%s\n" "$as_me: error: '$ac_var' was not set in the previous run" >&2;}
 	ac_old_val_w=`echo x $ac_old_val`
 	ac_new_val_w=`echo x $ac_new_val`
 	if test "$ac_old_val_w" != "$ac_new_val_w"; then
-	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: '$ac_var' has changed since the previous run:" >&5
-printf "%s\n" "$as_me: error: '$ac_var' has changed since the previous run:" >&2;}
+	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5
+printf "%s\n" "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;}
 	  ac_cache_corrupted=:
 	else
-	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in '$ac_var' since the previous run:" >&5
-printf "%s\n" "$as_me: warning: ignoring whitespace changes in '$ac_var' since the previous run:" >&2;}
+	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5
+printf "%s\n" "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;}
 	  eval $ac_var=\$ac_old_val
 	fi
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}:   former value:  '$ac_old_val'" >&5
-printf "%s\n" "$as_me:   former value:  '$ac_old_val'" >&2;}
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}:   current value: '$ac_new_val'" >&5
-printf "%s\n" "$as_me:   current value: '$ac_new_val'" >&2;}
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}:   former value:  \`$ac_old_val'" >&5
+printf "%s\n" "$as_me:   former value:  \`$ac_old_val'" >&2;}
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}:   current value: \`$ac_new_val'" >&5
+printf "%s\n" "$as_me:   current value: \`$ac_new_val'" >&2;}
       fi;;
   esac
   # Pass precious variables to config.status.
@@ -2614,11 +2635,11 @@ printf "%s\n" "$as_me:   current value: '$ac_new_val'" >&2;}
   fi
 done
 if $ac_cache_corrupted; then
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5
 printf "%s\n" "$as_me: error: changes in the environment can compromise the build" >&2;}
-  as_fn_error $? "run '${MAKE-make} distclean' and/or 'rm $cache_file'
+  as_fn_error $? "run \`${MAKE-make} distclean' and/or \`rm $cache_file'
 	    and start over" "$LINENO" 5
 fi
 ## -------------------- ##
@@ -2660,8 +2681,8 @@ if test -z "$INSTALL"; then
 if test ${ac_cv_path_install+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+else $as_nop
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
@@ -2715,8 +2736,7 @@ esac
 IFS=$as_save_IFS
 
 rm -rf conftest.one conftest.two conftest.dir
- ;;
-esac
+
 fi
   if test ${ac_cv_path_install+y}; then
     INSTALL=$ac_cv_path_install
@@ -2812,7 +2832,7 @@ test "$program_prefix" != NONE &&
 test "$program_suffix" != NONE &&
   program_transform_name="s&\$&$program_suffix&;$program_transform_name"
 # Double any \ or $.
-# By default was 's,x,x', remove it if useless.
+# By default was `s,x,x', remove it if useless.
 ac_script='s/[\\$]/&&/g;s/;s,x,x,$//'
 program_transform_name=`printf "%s\n" "$program_transform_name" | sed "$ac_script"`
 
@@ -2855,8 +2875,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_STRIP+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$STRIP"; then
+else $as_nop
+  if test -n "$STRIP"; then
   ac_cv_prog_STRIP="$STRIP" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -2878,8 +2898,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 STRIP=$ac_cv_prog_STRIP
 if test -n "$STRIP"; then
@@ -2901,8 +2920,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_STRIP+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$ac_ct_STRIP"; then
+else $as_nop
+  if test -n "$ac_ct_STRIP"; then
   ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -2924,8 +2943,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP
 if test -n "$ac_ct_STRIP"; then
@@ -2961,8 +2979,8 @@ if test -z "$MKDIR_P"; then
   if test ${ac_cv_path_mkdir+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+else $as_nop
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH$PATH_SEPARATOR/opt/sfw/bin
 do
   IFS=$as_save_IFS
@@ -2976,7 +2994,7 @@ do
 	   as_fn_executable_p "$as_dir$ac_prog$ac_exec_ext" || continue
 	   case `"$as_dir$ac_prog$ac_exec_ext" --version 2>&1` in #(
 	     'mkdir ('*'coreutils) '* | \
-	     *'BusyBox '* | \
+	     'BusyBox '* | \
 	     'mkdir (fileutils) '4.1*)
 	       ac_cv_path_mkdir=$as_dir$ac_prog$ac_exec_ext
 	       break 3;;
@@ -2985,17 +3003,18 @@ do
        done
   done
 IFS=$as_save_IFS
- ;;
-esac
+
 fi
 
   test -d ./--version && rmdir ./--version
   if test ${ac_cv_path_mkdir+y}; then
     MKDIR_P="$ac_cv_path_mkdir -p"
   else
-    # As a last resort, use plain mkdir -p,
-    # in the hope it doesn't have the bugs of ancient mkdir.
-    MKDIR_P='mkdir -p'
+    # As a last resort, use the slow shell script.  Don't cache a
+    # value for MKDIR_P within a source directory, because that will
+    # break other packages using the cache if that directory is
+    # removed, or if the value is a relative name.
+    MKDIR_P="$ac_install_sh -d"
   fi
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $MKDIR_P" >&5
@@ -3010,8 +3029,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_AWK+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$AWK"; then
+else $as_nop
+  if test -n "$AWK"; then
   ac_cv_prog_AWK="$AWK" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -3033,8 +3052,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 AWK=$ac_cv_prog_AWK
 if test -n "$AWK"; then
@@ -3056,8 +3074,8 @@ ac_make=`printf "%s\n" "$2" | sed 's/+/p/g; s/[^a-zA-Z0-9_]/_/g'`
 if eval test \${ac_cv_prog_make_${ac_make}_set+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) cat >conftest.make <<\_ACEOF
+else $as_nop
+  cat >conftest.make <<\_ACEOF
 SHELL = /bin/sh
 all:
 	@echo '@@@%%%=$(MAKE)=@@@%%%'
@@ -3069,8 +3087,7 @@ case `${MAKE-make} -f conftest.make 2>/dev/null` in
   *)
     eval ac_cv_prog_make_${ac_make}_set=no;;
 esac
-rm -f conftest.make ;;
-esac
+rm -f conftest.make
 fi
 if eval test \$ac_cv_prog_make_${ac_make}_set = yes; then
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
@@ -3108,8 +3125,8 @@ printf %s "checking whether $am_make supports nested variables... " >&6; }
 if test ${am_cv_make_support_nested_variables+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if printf "%s\n" 'TRUE=$(BAR$(V))
+else $as_nop
+  if printf "%s\n" 'TRUE=$(BAR$(V))
 BAR0=false
 BAR1=true
 V=1
@@ -3119,8 +3136,7 @@ am__doit:
   am_cv_make_support_nested_variables=yes
 else
   am_cv_make_support_nested_variables=no
-fi ;;
-esac
+fi
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_make_support_nested_variables" >&5
 printf "%s\n" "$am_cv_make_support_nested_variables" >&6; }
@@ -3299,16 +3315,15 @@ printf %s "checking build system type... " >&6; }
 if test ${ac_cv_build+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_build_alias=$build_alias
+else $as_nop
+  ac_build_alias=$build_alias
 test "x$ac_build_alias" = x &&
   ac_build_alias=`$SHELL "${ac_aux_dir}config.guess"`
 test "x$ac_build_alias" = x &&
   as_fn_error $? "cannot guess build type; you must specify one" "$LINENO" 5
 ac_cv_build=`$SHELL "${ac_aux_dir}config.sub" $ac_build_alias` ||
   as_fn_error $? "$SHELL ${ac_aux_dir}config.sub $ac_build_alias failed" "$LINENO" 5
- ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_build" >&5
 printf "%s\n" "$ac_cv_build" >&6; }
@@ -3335,15 +3350,14 @@ printf %s "checking host system type... " >&6; }
 if test ${ac_cv_host+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test "x$host_alias" = x; then
+else $as_nop
+  if test "x$host_alias" = x; then
   ac_cv_host=$ac_cv_build
 else
   ac_cv_host=`$SHELL "${ac_aux_dir}config.sub" $host_alias` ||
     as_fn_error $? "$SHELL ${ac_aux_dir}config.sub $host_alias failed" "$LINENO" 5
 fi
- ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_host" >&5
 printf "%s\n" "$ac_cv_host" >&6; }
@@ -3520,8 +3534,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_CC+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$CC"; then
+else $as_nop
+  if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -3543,8 +3557,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
@@ -3566,8 +3579,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_CC+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$ac_ct_CC"; then
+else $as_nop
+  if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -3589,8 +3602,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
@@ -3625,8 +3637,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_CC+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$CC"; then
+else $as_nop
+  if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -3648,8 +3660,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
@@ -3671,8 +3682,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_CC+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$CC"; then
+else $as_nop
+  if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
   ac_prog_rejected=no
@@ -3711,8 +3722,7 @@ if test $ac_prog_rejected = yes; then
     ac_cv_prog_CC="$as_dir$ac_word${1+' '}$@"
   fi
 fi
-fi ;;
-esac
+fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
@@ -3736,8 +3746,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_CC+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$CC"; then
+else $as_nop
+  if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -3759,8 +3769,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
@@ -3786,8 +3795,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_CC+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$ac_ct_CC"; then
+else $as_nop
+  if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -3809,8 +3818,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
@@ -3848,8 +3856,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_CC+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$CC"; then
+else $as_nop
+  if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -3871,8 +3879,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
@@ -3894,8 +3901,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_CC+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$ac_ct_CC"; then
+else $as_nop
+  if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -3917,8 +3924,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
@@ -3947,10 +3953,10 @@ fi
 fi
 
 
-test -z "$CC" && { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
+test -z "$CC" && { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "no acceptable C compiler found in \$PATH
-See 'config.log' for more details" "$LINENO" 5; }
+See \`config.log' for more details" "$LINENO" 5; }
 
 # Provide some information about the compiler.
 printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
@@ -4022,8 +4028,8 @@ printf "%s\n" "$ac_try_echo"; } >&5
   printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
 then :
-  # Autoconf-2.13 could set the ac_cv_exeext variable to 'no'.
-# So ignore a value of 'no', otherwise this would lead to 'EXEEXT = no'
+  # Autoconf-2.13 could set the ac_cv_exeext variable to `no'.
+# So ignore a value of `no', otherwise this would lead to `EXEEXT = no'
 # in a Makefile.  We should not override ac_cv_exeext if it was cached,
 # so that the user can short-circuit this test for compilers unknown to
 # Autoconf.
@@ -4043,7 +4049,7 @@ do
 	   ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'`
 	fi
 	# We set ac_cv_exeext here because the later test for it is not
-	# safe: cross compilers may not add the suffix if given an '-o'
+	# safe: cross compilers may not add the suffix if given an `-o'
 	# argument, so we may need to know it at that point already.
 	# Even if this section looks crufty: it has the advantage of
 	# actually working.
@@ -4054,9 +4060,8 @@ do
 done
 test "$ac_cv_exeext" = no && ac_cv_exeext=
 
-else case e in #(
-  e) ac_file='' ;;
-esac
+else $as_nop
+  ac_file=''
 fi
 if test -z "$ac_file"
 then :
@@ -4065,14 +4070,13 @@ printf "%s\n" "no" >&6; }
 printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
+{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "C compiler cannot create executables
-See 'config.log' for more details" "$LINENO" 5; }
-else case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; } ;;
-esac
+See \`config.log' for more details" "$LINENO" 5; }
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler default output file name" >&5
 printf %s "checking for C compiler default output file name... " >&6; }
@@ -4096,10 +4100,10 @@ printf "%s\n" "$ac_try_echo"; } >&5
   printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
 then :
-  # If both 'conftest.exe' and 'conftest' are 'present' (well, observable)
-# catch 'conftest.exe'.  For instance with Cygwin, 'ls conftest' will
-# work properly (i.e., refer to 'conftest.exe'), while it won't with
-# 'rm'.
+  # If both `conftest.exe' and `conftest' are `present' (well, observable)
+# catch `conftest.exe'.  For instance with Cygwin, `ls conftest' will
+# work properly (i.e., refer to `conftest.exe'), while it won't with
+# `rm'.
 for ac_file in conftest.exe conftest conftest.*; do
   test -f "$ac_file" || continue
   case $ac_file in
@@ -4109,12 +4113,11 @@ for ac_file in conftest.exe conftest conftest.*; do
     * ) break;;
   esac
 done
-else case e in #(
-  e) { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
+else $as_nop
+  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot compute suffix of executables: cannot compile and link
-See 'config.log' for more details" "$LINENO" 5; } ;;
-esac
+See \`config.log' for more details" "$LINENO" 5; }
 fi
 rm -f conftest conftest$ac_cv_exeext
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
@@ -4130,8 +4133,6 @@ int
 main (void)
 {
 FILE *f = fopen ("conftest.out", "w");
- if (!f)
-  return 1;
  return ferror (f) || fclose (f) != 0;
 
   ;
@@ -4171,27 +4172,26 @@ printf "%s\n" "$ac_try_echo"; } >&5
     if test "$cross_compiling" = maybe; then
 	cross_compiling=yes
     else
-	{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
+	{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error 77 "cannot run C compiled programs.
-If you meant to cross compile, use '--host'.
-See 'config.log' for more details" "$LINENO" 5; }
+If you meant to cross compile, use \`--host'.
+See \`config.log' for more details" "$LINENO" 5; }
     fi
   fi
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5
 printf "%s\n" "$cross_compiling" >&6; }
 
-rm -f conftest.$ac_ext conftest$ac_cv_exeext \
-  conftest.o conftest.obj conftest.out
+rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out
 ac_clean_files=$ac_clean_files_save
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
 printf %s "checking for suffix of object files... " >&6; }
 if test ${ac_cv_objext+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -4223,18 +4223,16 @@ then :
        break;;
   esac
 done
-else case e in #(
-  e) printf "%s\n" "$as_me: failed program was:" >&5
+else $as_nop
+  printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
+{ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "cannot compute suffix of object files: cannot compile
-See 'config.log' for more details" "$LINENO" 5; } ;;
-esac
+See \`config.log' for more details" "$LINENO" 5; }
 fi
-rm -f conftest.$ac_cv_objext conftest.$ac_ext ;;
-esac
+rm -f conftest.$ac_cv_objext conftest.$ac_ext
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5
 printf "%s\n" "$ac_cv_objext" >&6; }
@@ -4245,8 +4243,8 @@ printf %s "checking whether the compiler supports GNU C... " >&6; }
 if test ${ac_cv_c_compiler_gnu+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -4263,14 +4261,12 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   ac_compiler_gnu=yes
-else case e in #(
-  e) ac_compiler_gnu=no ;;
-esac
+else $as_nop
+  ac_compiler_gnu=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_cv_c_compiler_gnu=$ac_compiler_gnu
- ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
 printf "%s\n" "$ac_cv_c_compiler_gnu" >&6; }
@@ -4288,8 +4284,8 @@ printf %s "checking whether $CC accepts -g... " >&6; }
 if test ${ac_cv_prog_cc_g+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_save_c_werror_flag=$ac_c_werror_flag
+else $as_nop
+  ac_save_c_werror_flag=$ac_c_werror_flag
    ac_c_werror_flag=yes
    ac_cv_prog_cc_g=no
    CFLAGS="-g"
@@ -4307,8 +4303,8 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   ac_cv_prog_cc_g=yes
-else case e in #(
-  e) CFLAGS=""
+else $as_nop
+  CFLAGS=""
       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -4323,8 +4319,8 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
 
-else case e in #(
-  e) ac_c_werror_flag=$ac_save_c_werror_flag
+else $as_nop
+  ac_c_werror_flag=$ac_save_c_werror_flag
 	 CFLAGS="-g"
 	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -4341,15 +4337,12 @@ if ac_fn_c_try_compile "$LINENO"
 then :
   ac_cv_prog_cc_g=yes
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
-esac
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
-esac
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-   ac_c_werror_flag=$ac_save_c_werror_flag ;;
-esac
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+   ac_c_werror_flag=$ac_save_c_werror_flag
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
 printf "%s\n" "$ac_cv_prog_cc_g" >&6; }
@@ -4376,8 +4369,8 @@ printf %s "checking for $CC option to enable C11 features... " >&6; }
 if test ${ac_cv_prog_cc_c11+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_cv_prog_cc_c11=no
+else $as_nop
+  ac_cv_prog_cc_c11=no
 ac_save_CC=$CC
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -4394,28 +4387,25 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam
   test "x$ac_cv_prog_cc_c11" != "xno" && break
 done
 rm -f conftest.$ac_ext
-CC=$ac_save_CC ;;
-esac
+CC=$ac_save_CC
 fi
 
 if test "x$ac_cv_prog_cc_c11" = xno
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
 printf "%s\n" "unsupported" >&6; }
-else case e in #(
-  e) if test "x$ac_cv_prog_cc_c11" = x
+else $as_nop
+  if test "x$ac_cv_prog_cc_c11" = x
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
 printf "%s\n" "none needed" >&6; }
-else case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c11" >&5
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c11" >&5
 printf "%s\n" "$ac_cv_prog_cc_c11" >&6; }
-     CC="$CC $ac_cv_prog_cc_c11" ;;
-esac
+     CC="$CC $ac_cv_prog_cc_c11"
 fi
   ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c11
-  ac_prog_cc_stdc=c11 ;;
-esac
+  ac_prog_cc_stdc=c11
 fi
 fi
 if test x$ac_prog_cc_stdc = xno
@@ -4425,8 +4415,8 @@ printf %s "checking for $CC option to enable C99 features... " >&6; }
 if test ${ac_cv_prog_cc_c99+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_cv_prog_cc_c99=no
+else $as_nop
+  ac_cv_prog_cc_c99=no
 ac_save_CC=$CC
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -4443,28 +4433,25 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam
   test "x$ac_cv_prog_cc_c99" != "xno" && break
 done
 rm -f conftest.$ac_ext
-CC=$ac_save_CC ;;
-esac
+CC=$ac_save_CC
 fi
 
 if test "x$ac_cv_prog_cc_c99" = xno
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
 printf "%s\n" "unsupported" >&6; }
-else case e in #(
-  e) if test "x$ac_cv_prog_cc_c99" = x
+else $as_nop
+  if test "x$ac_cv_prog_cc_c99" = x
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
 printf "%s\n" "none needed" >&6; }
-else case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c99" >&5
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c99" >&5
 printf "%s\n" "$ac_cv_prog_cc_c99" >&6; }
-     CC="$CC $ac_cv_prog_cc_c99" ;;
-esac
+     CC="$CC $ac_cv_prog_cc_c99"
 fi
   ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c99
-  ac_prog_cc_stdc=c99 ;;
-esac
+  ac_prog_cc_stdc=c99
 fi
 fi
 if test x$ac_prog_cc_stdc = xno
@@ -4474,8 +4461,8 @@ printf %s "checking for $CC option to enable C89 features... " >&6; }
 if test ${ac_cv_prog_cc_c89+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_cv_prog_cc_c89=no
+else $as_nop
+  ac_cv_prog_cc_c89=no
 ac_save_CC=$CC
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -4492,28 +4479,25 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam
   test "x$ac_cv_prog_cc_c89" != "xno" && break
 done
 rm -f conftest.$ac_ext
-CC=$ac_save_CC ;;
-esac
+CC=$ac_save_CC
 fi
 
 if test "x$ac_cv_prog_cc_c89" = xno
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
 printf "%s\n" "unsupported" >&6; }
-else case e in #(
-  e) if test "x$ac_cv_prog_cc_c89" = x
+else $as_nop
+  if test "x$ac_cv_prog_cc_c89" = x
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
 printf "%s\n" "none needed" >&6; }
-else case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
 printf "%s\n" "$ac_cv_prog_cc_c89" >&6; }
-     CC="$CC $ac_cv_prog_cc_c89" ;;
-esac
+     CC="$CC $ac_cv_prog_cc_c89"
 fi
   ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c89
-  ac_prog_cc_stdc=c89 ;;
-esac
+  ac_prog_cc_stdc=c89
 fi
 fi
 
@@ -4534,8 +4518,8 @@ printf %s "checking whether $CC understands -c and -o together... " >&6; }
 if test ${am_cv_prog_cc_c_o+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -4565,8 +4549,7 @@ _ACEOF
     fi
   done
   rm -f core conftest*
-  unset am_i ;;
-esac
+  unset am_i
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_prog_cc_c_o" >&5
 printf "%s\n" "$am_cv_prog_cc_c_o" >&6; }
@@ -4592,8 +4575,8 @@ printf %s "checking dependency style of $depcc... " >&6; }
 if test ${am_cv_CC_dependencies_compiler_type+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
+else $as_nop
+  if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
   # We make a subdir and do the tests there.  Otherwise we can end up
   # making bogus files that we don't know about and never remove.  For
   # instance it was reported that on HP-UX the gcc test will end up
@@ -4697,8 +4680,7 @@ else case e in #(
 else
   am_cv_CC_dependencies_compiler_type=none
 fi
- ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_CC_dependencies_compiler_type" >&5
 printf "%s\n" "$am_cv_CC_dependencies_compiler_type" >&6; }
@@ -4720,8 +4702,8 @@ printf %s "checking for a sed that does not truncate output... " >&6; }
 if test ${ac_cv_path_SED+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e)           ac_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/
+else $as_nop
+            ac_script=s/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa/bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb/
      for ac_i in 1 2 3 4 5 6 7; do
        ac_script="$ac_script$as_nl$ac_script"
      done
@@ -4746,10 +4728,9 @@ do
       as_fn_executable_p "$ac_path_SED" || continue
 # Check for GNU ac_path_SED and select it if it is found.
   # Check for GNU $ac_path_SED
-case `"$ac_path_SED" --version 2>&1` in #(
+case `"$ac_path_SED" --version 2>&1` in
 *GNU*)
   ac_cv_path_SED="$ac_path_SED" ac_path_SED_found=:;;
-#(
 *)
   ac_count=0
   printf %s 0123456789 >"conftest.in"
@@ -4784,8 +4765,7 @@ IFS=$as_save_IFS
 else
   ac_cv_path_SED=$SED
 fi
- ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_SED" >&5
 printf "%s\n" "$ac_cv_path_SED" >&6; }
@@ -4810,8 +4790,8 @@ printf %s "checking for grep that handles long lines and -e... " >&6; }
 if test ${ac_cv_path_GREP+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -z "$GREP"; then
+else $as_nop
+  if test -z "$GREP"; then
   ac_path_GREP_found=false
   # Loop through the user's path and test for each of PROGNAME-LIST
   as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -4830,10 +4810,9 @@ do
       as_fn_executable_p "$ac_path_GREP" || continue
 # Check for GNU ac_path_GREP and select it if it is found.
   # Check for GNU $ac_path_GREP
-case `"$ac_path_GREP" --version 2>&1` in #(
+case `"$ac_path_GREP" --version 2>&1` in
 *GNU*)
   ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
-#(
 *)
   ac_count=0
   printf %s 0123456789 >"conftest.in"
@@ -4868,8 +4847,7 @@ IFS=$as_save_IFS
 else
   ac_cv_path_GREP=$GREP
 fi
- ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5
 printf "%s\n" "$ac_cv_path_GREP" >&6; }
@@ -4881,8 +4859,8 @@ printf %s "checking for egrep... " >&6; }
 if test ${ac_cv_path_EGREP+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
+else $as_nop
+  if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
    then ac_cv_path_EGREP="$GREP -E"
    else
      if test -z "$EGREP"; then
@@ -4904,10 +4882,9 @@ do
       as_fn_executable_p "$ac_path_EGREP" || continue
 # Check for GNU ac_path_EGREP and select it if it is found.
   # Check for GNU $ac_path_EGREP
-case `"$ac_path_EGREP" --version 2>&1` in #(
+case `"$ac_path_EGREP" --version 2>&1` in
 *GNU*)
   ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
-#(
 *)
   ac_count=0
   printf %s 0123456789 >"conftest.in"
@@ -4943,23 +4920,20 @@ else
   ac_cv_path_EGREP=$EGREP
 fi
 
-   fi ;;
-esac
+   fi
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5
 printf "%s\n" "$ac_cv_path_EGREP" >&6; }
  EGREP="$ac_cv_path_EGREP"
 
-         EGREP_TRADITIONAL=$EGREP
- ac_cv_path_EGREP_TRADITIONAL=$EGREP
 
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for fgrep" >&5
 printf %s "checking for fgrep... " >&6; }
 if test ${ac_cv_path_FGREP+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if echo 'ab*c' | $GREP -F 'ab*c' >/dev/null 2>&1
+else $as_nop
+  if echo 'ab*c' | $GREP -F 'ab*c' >/dev/null 2>&1
    then ac_cv_path_FGREP="$GREP -F"
    else
      if test -z "$FGREP"; then
@@ -4981,10 +4955,9 @@ do
       as_fn_executable_p "$ac_path_FGREP" || continue
 # Check for GNU ac_path_FGREP and select it if it is found.
   # Check for GNU $ac_path_FGREP
-case `"$ac_path_FGREP" --version 2>&1` in #(
+case `"$ac_path_FGREP" --version 2>&1` in
 *GNU*)
   ac_cv_path_FGREP="$ac_path_FGREP" ac_path_FGREP_found=:;;
-#(
 *)
   ac_count=0
   printf %s 0123456789 >"conftest.in"
@@ -5020,8 +4993,7 @@ else
   ac_cv_path_FGREP=$FGREP
 fi
 
-   fi ;;
-esac
+   fi
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_FGREP" >&5
 printf "%s\n" "$ac_cv_path_FGREP" >&6; }
@@ -5052,9 +5024,8 @@ test -z "$GREP" && GREP=grep
 if test ${with_gnu_ld+y}
 then :
   withval=$with_gnu_ld; test no = "$withval" || with_gnu_ld=yes
-else case e in #(
-  e) with_gnu_ld=no ;;
-esac
+else $as_nop
+  with_gnu_ld=no
 fi
 
 ac_prog=ld
@@ -5099,8 +5070,8 @@ fi
 if test ${lt_cv_path_LD+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -z "$LD"; then
+else $as_nop
+  if test -z "$LD"; then
   lt_save_ifs=$IFS; IFS=$PATH_SEPARATOR
   for ac_dir in $PATH; do
     IFS=$lt_save_ifs
@@ -5123,8 +5094,7 @@ else case e in #(
   IFS=$lt_save_ifs
 else
   lt_cv_path_LD=$LD # Let the user override the test with a path.
-fi ;;
-esac
+fi
 fi
 
 LD=$lt_cv_path_LD
@@ -5141,8 +5111,8 @@ printf %s "checking if the linker ($LD) is GNU ld... " >&6; }
 if test ${lt_cv_prog_gnu_ld+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) # I'd rather use --version here, but apparently some GNU lds only accept -v.
+else $as_nop
+  # I'd rather use --version here, but apparently some GNU lds only accept -v.
 case `$LD -v 2>&1 </dev/null` in
 *GNU* | *'with BFD'*)
   lt_cv_prog_gnu_ld=yes
@@ -5150,7 +5120,6 @@ case `$LD -v 2>&1 </dev/null` in
 *)
   lt_cv_prog_gnu_ld=no
   ;;
-esac ;;
 esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_gnu_ld" >&5
@@ -5170,8 +5139,8 @@ printf %s "checking for BSD- or MS-compatible name lister (nm)... " >&6; }
 if test ${lt_cv_path_NM+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$NM"; then
+else $as_nop
+  if test -n "$NM"; then
   # Let the user override the test.
   lt_cv_path_NM=$NM
 else
@@ -5218,8 +5187,7 @@ else
     IFS=$lt_save_ifs
   done
   : ${lt_cv_path_NM=no}
-fi ;;
-esac
+fi
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_NM" >&5
 printf "%s\n" "$lt_cv_path_NM" >&6; }
@@ -5240,8 +5208,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_DUMPBIN+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$DUMPBIN"; then
+else $as_nop
+  if test -n "$DUMPBIN"; then
   ac_cv_prog_DUMPBIN="$DUMPBIN" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -5263,8 +5231,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 DUMPBIN=$ac_cv_prog_DUMPBIN
 if test -n "$DUMPBIN"; then
@@ -5290,8 +5257,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_DUMPBIN+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$ac_ct_DUMPBIN"; then
+else $as_nop
+  if test -n "$ac_ct_DUMPBIN"; then
   ac_cv_prog_ac_ct_DUMPBIN="$ac_ct_DUMPBIN" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -5313,8 +5280,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 ac_ct_DUMPBIN=$ac_cv_prog_ac_ct_DUMPBIN
 if test -n "$ac_ct_DUMPBIN"; then
@@ -5368,8 +5334,8 @@ printf %s "checking the name lister ($NM) interface... " >&6; }
 if test ${lt_cv_nm_interface+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) lt_cv_nm_interface="BSD nm"
+else $as_nop
+  lt_cv_nm_interface="BSD nm"
   echo "int some_variable = 0;" > conftest.$ac_ext
   (eval echo "\"\$as_me:$LINENO: $ac_compile\"" >&5)
   (eval "$ac_compile" 2>conftest.err)
@@ -5382,8 +5348,7 @@ else case e in #(
   if $GREP 'External.*some_variable' conftest.out > /dev/null; then
     lt_cv_nm_interface="MS dumpbin"
   fi
-  rm -f conftest* ;;
-esac
+  rm -f conftest*
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_nm_interface" >&5
 printf "%s\n" "$lt_cv_nm_interface" >&6; }
@@ -5405,8 +5370,8 @@ printf %s "checking the maximum length of command line arguments... " >&6; }
 if test ${lt_cv_sys_max_cmd_len+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e)   i=0
+else $as_nop
+    i=0
   teststring=ABCD
 
   case $build_os in
@@ -5528,8 +5493,7 @@ else case e in #(
     fi
     ;;
   esac
- ;;
-esac
+
 fi
 
 if test -n "$lt_cv_sys_max_cmd_len"; then
@@ -5586,8 +5550,8 @@ printf %s "checking how to convert $build file names to $host format... " >&6; }
 if test ${lt_cv_to_host_file_cmd+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) case $host in
+else $as_nop
+  case $host in
   *-*-mingw* )
     case $build in
       *-*-mingw* ) # actually msys
@@ -5618,8 +5582,7 @@ else case e in #(
     lt_cv_to_host_file_cmd=func_convert_file_noop
     ;;
 esac
- ;;
-esac
+
 fi
 
 to_host_file_cmd=$lt_cv_to_host_file_cmd
@@ -5635,8 +5598,8 @@ printf %s "checking how to convert $build file names to toolchain format... " >&
 if test ${lt_cv_to_tool_file_cmd+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) #assume ordinary cross tools, or native build.
+else $as_nop
+  #assume ordinary cross tools, or native build.
 lt_cv_to_tool_file_cmd=func_convert_file_noop
 case $host in
   *-*-mingw* )
@@ -5647,8 +5610,7 @@ case $host in
     esac
     ;;
 esac
- ;;
-esac
+
 fi
 
 to_tool_file_cmd=$lt_cv_to_tool_file_cmd
@@ -5664,9 +5626,8 @@ printf %s "checking for $LD option to reload object files... " >&6; }
 if test ${lt_cv_ld_reload_flag+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) lt_cv_ld_reload_flag='-r' ;;
-esac
+else $as_nop
+  lt_cv_ld_reload_flag='-r'
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_reload_flag" >&5
 printf "%s\n" "$lt_cv_ld_reload_flag" >&6; }
@@ -5707,8 +5668,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_FILECMD+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$FILECMD"; then
+else $as_nop
+  if test -n "$FILECMD"; then
   ac_cv_prog_FILECMD="$FILECMD" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -5730,8 +5691,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 FILECMD=$ac_cv_prog_FILECMD
 if test -n "$FILECMD"; then
@@ -5753,8 +5713,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_FILECMD+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$ac_ct_FILECMD"; then
+else $as_nop
+  if test -n "$ac_ct_FILECMD"; then
   ac_cv_prog_ac_ct_FILECMD="$ac_ct_FILECMD" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -5776,8 +5736,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 ac_ct_FILECMD=$ac_cv_prog_ac_ct_FILECMD
 if test -n "$ac_ct_FILECMD"; then
@@ -5817,8 +5776,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_OBJDUMP+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$OBJDUMP"; then
+else $as_nop
+  if test -n "$OBJDUMP"; then
   ac_cv_prog_OBJDUMP="$OBJDUMP" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -5840,8 +5799,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 OBJDUMP=$ac_cv_prog_OBJDUMP
 if test -n "$OBJDUMP"; then
@@ -5863,8 +5821,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_OBJDUMP+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$ac_ct_OBJDUMP"; then
+else $as_nop
+  if test -n "$ac_ct_OBJDUMP"; then
   ac_cv_prog_ac_ct_OBJDUMP="$ac_ct_OBJDUMP" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -5886,8 +5844,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 ac_ct_OBJDUMP=$ac_cv_prog_ac_ct_OBJDUMP
 if test -n "$ac_ct_OBJDUMP"; then
@@ -5928,8 +5885,8 @@ printf %s "checking how to recognize dependent libraries... " >&6; }
 if test ${lt_cv_deplibs_check_method+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) lt_cv_file_magic_cmd='$MAGIC_CMD'
+else $as_nop
+  lt_cv_file_magic_cmd='$MAGIC_CMD'
 lt_cv_file_magic_test_file=
 lt_cv_deplibs_check_method='unknown'
 # Need to set the preceding variable on all platforms that support
@@ -6122,8 +6079,7 @@ os2*)
   lt_cv_deplibs_check_method=pass_all
   ;;
 esac
- ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_deplibs_check_method" >&5
 printf "%s\n" "$lt_cv_deplibs_check_method" >&6; }
@@ -6175,8 +6131,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_DLLTOOL+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$DLLTOOL"; then
+else $as_nop
+  if test -n "$DLLTOOL"; then
   ac_cv_prog_DLLTOOL="$DLLTOOL" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -6198,8 +6154,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 DLLTOOL=$ac_cv_prog_DLLTOOL
 if test -n "$DLLTOOL"; then
@@ -6221,8 +6176,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_DLLTOOL+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$ac_ct_DLLTOOL"; then
+else $as_nop
+  if test -n "$ac_ct_DLLTOOL"; then
   ac_cv_prog_ac_ct_DLLTOOL="$ac_ct_DLLTOOL" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -6244,8 +6199,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 ac_ct_DLLTOOL=$ac_cv_prog_ac_ct_DLLTOOL
 if test -n "$ac_ct_DLLTOOL"; then
@@ -6287,8 +6241,8 @@ printf %s "checking how to associate runtime and link libraries... " >&6; }
 if test ${lt_cv_sharedlib_from_linklib_cmd+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) lt_cv_sharedlib_from_linklib_cmd='unknown'
+else $as_nop
+  lt_cv_sharedlib_from_linklib_cmd='unknown'
 
 case $host_os in
 cygwin* | mingw* | pw32* | cegcc*)
@@ -6308,8 +6262,7 @@ cygwin* | mingw* | pw32* | cegcc*)
   lt_cv_sharedlib_from_linklib_cmd=$ECHO
   ;;
 esac
- ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_sharedlib_from_linklib_cmd" >&5
 printf "%s\n" "$lt_cv_sharedlib_from_linklib_cmd" >&6; }
@@ -6333,8 +6286,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_AR+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$AR"; then
+else $as_nop
+  if test -n "$AR"; then
   ac_cv_prog_AR="$AR" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -6356,8 +6309,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 AR=$ac_cv_prog_AR
 if test -n "$AR"; then
@@ -6383,8 +6335,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_AR+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$ac_ct_AR"; then
+else $as_nop
+  if test -n "$ac_ct_AR"; then
   ac_cv_prog_ac_ct_AR="$ac_ct_AR" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -6406,8 +6358,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 ac_ct_AR=$ac_cv_prog_ac_ct_AR
 if test -n "$ac_ct_AR"; then
@@ -6469,8 +6420,8 @@ printf %s "checking for archiver @FILE support... " >&6; }
 if test ${lt_cv_ar_at_file+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) lt_cv_ar_at_file=no
+else $as_nop
+  lt_cv_ar_at_file=no
    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -6507,8 +6458,7 @@ then :
 
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-   ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ar_at_file" >&5
 printf "%s\n" "$lt_cv_ar_at_file" >&6; }
@@ -6533,8 +6483,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_STRIP+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$STRIP"; then
+else $as_nop
+  if test -n "$STRIP"; then
   ac_cv_prog_STRIP="$STRIP" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -6556,8 +6506,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 STRIP=$ac_cv_prog_STRIP
 if test -n "$STRIP"; then
@@ -6579,8 +6528,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_STRIP+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$ac_ct_STRIP"; then
+else $as_nop
+  if test -n "$ac_ct_STRIP"; then
   ac_cv_prog_ac_ct_STRIP="$ac_ct_STRIP" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -6602,8 +6551,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 ac_ct_STRIP=$ac_cv_prog_ac_ct_STRIP
 if test -n "$ac_ct_STRIP"; then
@@ -6644,8 +6592,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_RANLIB+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$RANLIB"; then
+else $as_nop
+  if test -n "$RANLIB"; then
   ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -6667,8 +6615,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 RANLIB=$ac_cv_prog_RANLIB
 if test -n "$RANLIB"; then
@@ -6690,8 +6637,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_RANLIB+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$ac_ct_RANLIB"; then
+else $as_nop
+  if test -n "$ac_ct_RANLIB"; then
   ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -6713,8 +6660,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB
 if test -n "$ac_ct_RANLIB"; then
@@ -6825,8 +6771,8 @@ printf %s "checking command to parse $NM output from $compiler object... " >&6;
 if test ${lt_cv_sys_global_symbol_pipe+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e)
+else $as_nop
+
 # These are sane defaults that work on at least a few old systems.
 # [They come from Ultrix.  What could be older than Ultrix?!! ;)]
 
@@ -7081,8 +7027,7 @@ _LT_EOF
     lt_cv_sys_global_symbol_pipe=
   fi
 done
- ;;
-esac
+
 fi
 
 if test -z "$lt_cv_sys_global_symbol_pipe"; then
@@ -7146,9 +7091,8 @@ printf %s "checking for sysroot... " >&6; }
 if test ${with_sysroot+y}
 then :
   withval=$with_sysroot;
-else case e in #(
-  e) with_sysroot=no ;;
-esac
+else $as_nop
+  with_sysroot=no
 fi
 
 
@@ -7183,8 +7127,8 @@ printf %s "checking for a working dd... " >&6; }
 if test ${ac_cv_path_lt_DD+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) printf 0123456789abcdef0123456789abcdef >conftest.i
+else $as_nop
+  printf 0123456789abcdef0123456789abcdef >conftest.i
 cat conftest.i conftest.i >conftest2.i
 : ${lt_DD:=$DD}
 if test -z "$lt_DD"; then
@@ -7220,8 +7164,7 @@ else
   ac_cv_path_lt_DD=$lt_DD
 fi
 
-rm -f conftest.i conftest2.i conftest.out ;;
-esac
+rm -f conftest.i conftest2.i conftest.out
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_lt_DD" >&5
 printf "%s\n" "$ac_cv_path_lt_DD" >&6; }
@@ -7232,8 +7175,8 @@ printf %s "checking how to truncate binary pipes... " >&6; }
 if test ${lt_cv_truncate_bin+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) printf 0123456789abcdef0123456789abcdef >conftest.i
+else $as_nop
+  printf 0123456789abcdef0123456789abcdef >conftest.i
 cat conftest.i conftest.i >conftest2.i
 lt_cv_truncate_bin=
 if "$ac_cv_path_lt_DD" bs=32 count=1 <conftest2.i >conftest.out 2>/dev/null; then
@@ -7241,8 +7184,7 @@ if "$ac_cv_path_lt_DD" bs=32 count=1 <conftest2.i >conftest.out 2>/dev/null; the
   && lt_cv_truncate_bin="$ac_cv_path_lt_DD bs=4096 count=1"
 fi
 rm -f conftest.i conftest2.i conftest.out
-test -z "$lt_cv_truncate_bin" && lt_cv_truncate_bin="$SED -e 4q" ;;
-esac
+test -z "$lt_cv_truncate_bin" && lt_cv_truncate_bin="$SED -e 4q"
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_truncate_bin" >&5
 printf "%s\n" "$lt_cv_truncate_bin" >&6; }
@@ -7437,8 +7379,8 @@ printf %s "checking whether the C compiler needs -belf... " >&6; }
 if test ${lt_cv_cc_needs_belf+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_ext=c
+else $as_nop
+  ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
@@ -7458,9 +7400,8 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   lt_cv_cc_needs_belf=yes
-else case e in #(
-  e) lt_cv_cc_needs_belf=no ;;
-esac
+else $as_nop
+  lt_cv_cc_needs_belf=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
@@ -7469,8 +7410,7 @@ ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
 ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
 ac_compiler_gnu=$ac_cv_c_compiler_gnu
- ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_cc_needs_belf" >&5
 printf "%s\n" "$lt_cv_cc_needs_belf" >&6; }
@@ -7528,8 +7468,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_MANIFEST_TOOL+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$MANIFEST_TOOL"; then
+else $as_nop
+  if test -n "$MANIFEST_TOOL"; then
   ac_cv_prog_MANIFEST_TOOL="$MANIFEST_TOOL" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -7551,8 +7491,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 MANIFEST_TOOL=$ac_cv_prog_MANIFEST_TOOL
 if test -n "$MANIFEST_TOOL"; then
@@ -7574,8 +7513,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_MANIFEST_TOOL+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$ac_ct_MANIFEST_TOOL"; then
+else $as_nop
+  if test -n "$ac_ct_MANIFEST_TOOL"; then
   ac_cv_prog_ac_ct_MANIFEST_TOOL="$ac_ct_MANIFEST_TOOL" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -7597,8 +7536,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 ac_ct_MANIFEST_TOOL=$ac_cv_prog_ac_ct_MANIFEST_TOOL
 if test -n "$ac_ct_MANIFEST_TOOL"; then
@@ -7630,16 +7568,15 @@ printf %s "checking if $MANIFEST_TOOL is a manifest tool... " >&6; }
 if test ${lt_cv_path_mainfest_tool+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) lt_cv_path_mainfest_tool=no
+else $as_nop
+  lt_cv_path_mainfest_tool=no
   echo "$as_me:$LINENO: $MANIFEST_TOOL '-?'" >&5
   $MANIFEST_TOOL '-?' 2>conftest.err > conftest.out
   cat conftest.err >&5
   if $GREP 'Manifest Tool' conftest.out > /dev/null; then
     lt_cv_path_mainfest_tool=yes
   fi
-  rm -f conftest* ;;
-esac
+  rm -f conftest*
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_path_mainfest_tool" >&5
 printf "%s\n" "$lt_cv_path_mainfest_tool" >&6; }
@@ -7662,8 +7599,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_DSYMUTIL+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$DSYMUTIL"; then
+else $as_nop
+  if test -n "$DSYMUTIL"; then
   ac_cv_prog_DSYMUTIL="$DSYMUTIL" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -7685,8 +7622,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 DSYMUTIL=$ac_cv_prog_DSYMUTIL
 if test -n "$DSYMUTIL"; then
@@ -7708,8 +7644,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_DSYMUTIL+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$ac_ct_DSYMUTIL"; then
+else $as_nop
+  if test -n "$ac_ct_DSYMUTIL"; then
   ac_cv_prog_ac_ct_DSYMUTIL="$ac_ct_DSYMUTIL" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -7731,8 +7667,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 ac_ct_DSYMUTIL=$ac_cv_prog_ac_ct_DSYMUTIL
 if test -n "$ac_ct_DSYMUTIL"; then
@@ -7766,8 +7701,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_NMEDIT+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$NMEDIT"; then
+else $as_nop
+  if test -n "$NMEDIT"; then
   ac_cv_prog_NMEDIT="$NMEDIT" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -7789,8 +7724,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 NMEDIT=$ac_cv_prog_NMEDIT
 if test -n "$NMEDIT"; then
@@ -7812,8 +7746,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_NMEDIT+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$ac_ct_NMEDIT"; then
+else $as_nop
+  if test -n "$ac_ct_NMEDIT"; then
   ac_cv_prog_ac_ct_NMEDIT="$ac_ct_NMEDIT" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -7835,8 +7769,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 ac_ct_NMEDIT=$ac_cv_prog_ac_ct_NMEDIT
 if test -n "$ac_ct_NMEDIT"; then
@@ -7870,8 +7803,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_LIPO+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$LIPO"; then
+else $as_nop
+  if test -n "$LIPO"; then
   ac_cv_prog_LIPO="$LIPO" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -7893,8 +7826,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 LIPO=$ac_cv_prog_LIPO
 if test -n "$LIPO"; then
@@ -7916,8 +7848,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_LIPO+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$ac_ct_LIPO"; then
+else $as_nop
+  if test -n "$ac_ct_LIPO"; then
   ac_cv_prog_ac_ct_LIPO="$ac_ct_LIPO" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -7939,8 +7871,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 ac_ct_LIPO=$ac_cv_prog_ac_ct_LIPO
 if test -n "$ac_ct_LIPO"; then
@@ -7974,8 +7905,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_OTOOL+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$OTOOL"; then
+else $as_nop
+  if test -n "$OTOOL"; then
   ac_cv_prog_OTOOL="$OTOOL" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -7997,8 +7928,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 OTOOL=$ac_cv_prog_OTOOL
 if test -n "$OTOOL"; then
@@ -8020,8 +7950,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_OTOOL+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$ac_ct_OTOOL"; then
+else $as_nop
+  if test -n "$ac_ct_OTOOL"; then
   ac_cv_prog_ac_ct_OTOOL="$ac_ct_OTOOL" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -8043,8 +7973,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 ac_ct_OTOOL=$ac_cv_prog_ac_ct_OTOOL
 if test -n "$ac_ct_OTOOL"; then
@@ -8078,8 +8007,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_OTOOL64+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$OTOOL64"; then
+else $as_nop
+  if test -n "$OTOOL64"; then
   ac_cv_prog_OTOOL64="$OTOOL64" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -8101,8 +8030,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 OTOOL64=$ac_cv_prog_OTOOL64
 if test -n "$OTOOL64"; then
@@ -8124,8 +8052,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_OTOOL64+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$ac_ct_OTOOL64"; then
+else $as_nop
+  if test -n "$ac_ct_OTOOL64"; then
   ac_cv_prog_ac_ct_OTOOL64="$ac_ct_OTOOL64" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -8147,8 +8075,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 ac_ct_OTOOL64=$ac_cv_prog_ac_ct_OTOOL64
 if test -n "$ac_ct_OTOOL64"; then
@@ -8205,8 +8132,8 @@ printf %s "checking for -single_module linker flag... " >&6; }
 if test ${lt_cv_apple_cc_single_mod+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) lt_cv_apple_cc_single_mod=no
+else $as_nop
+  lt_cv_apple_cc_single_mod=no
       if test -z "$LT_MULTI_MODULE"; then
 	# By default we will add the -single_module flag. You can override
 	# by either setting the environment variable LT_MULTI_MODULE
@@ -8232,8 +8159,7 @@ else case e in #(
 	fi
 	rm -rf libconftest.dylib*
 	rm -f conftest.*
-      fi ;;
-esac
+      fi
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_apple_cc_single_mod" >&5
 printf "%s\n" "$lt_cv_apple_cc_single_mod" >&6; }
@@ -8243,8 +8169,8 @@ printf %s "checking for -exported_symbols_list linker flag... " >&6; }
 if test ${lt_cv_ld_exported_symbols_list+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) lt_cv_ld_exported_symbols_list=no
+else $as_nop
+  lt_cv_ld_exported_symbols_list=no
       save_LDFLAGS=$LDFLAGS
       echo "_main" > conftest.sym
       LDFLAGS="$LDFLAGS -Wl,-exported_symbols_list,conftest.sym"
@@ -8262,15 +8188,13 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   lt_cv_ld_exported_symbols_list=yes
-else case e in #(
-  e) lt_cv_ld_exported_symbols_list=no ;;
-esac
+else $as_nop
+  lt_cv_ld_exported_symbols_list=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
 	LDFLAGS=$save_LDFLAGS
-     ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_exported_symbols_list" >&5
 printf "%s\n" "$lt_cv_ld_exported_symbols_list" >&6; }
@@ -8280,8 +8204,8 @@ printf %s "checking for -force_load linker flag... " >&6; }
 if test ${lt_cv_ld_force_load+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) lt_cv_ld_force_load=no
+else $as_nop
+  lt_cv_ld_force_load=no
       cat > conftest.c << _LT_EOF
 int forced_loaded() { return 2;}
 _LT_EOF
@@ -8306,8 +8230,7 @@ _LT_EOF
       fi
         rm -f conftest.err libconftest.a conftest conftest.c
         rm -rf conftest.dSYM
-     ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_ld_force_load" >&5
 printf "%s\n" "$lt_cv_ld_force_load" >&6; }
@@ -8447,9 +8370,8 @@ then :
       IFS=$lt_save_ifs
       ;;
     esac
-else case e in #(
-  e) enable_shared=yes ;;
-esac
+else $as_nop
+  enable_shared=yes
 fi
 
 
@@ -8480,9 +8402,8 @@ then :
       IFS=$lt_save_ifs
       ;;
     esac
-else case e in #(
-  e) enable_static=yes ;;
-esac
+else $as_nop
+  enable_static=yes
 fi
 
 
@@ -8513,9 +8434,8 @@ then :
       IFS=$lt_save_ifs
       ;;
     esac
-else case e in #(
-  e) pic_mode=default ;;
-esac
+else $as_nop
+  pic_mode=default
 fi
 
 
@@ -8545,9 +8465,8 @@ then :
       IFS=$lt_save_ifs
       ;;
     esac
-else case e in #(
-  e) enable_fast_install=yes ;;
-esac
+else $as_nop
+  enable_fast_install=yes
 fi
 
 
@@ -8574,17 +8493,15 @@ then :
       ;;
     esac
     lt_cv_with_aix_soname=$with_aix_soname
-else case e in #(
-  e) if test ${lt_cv_with_aix_soname+y}
+else $as_nop
+  if test ${lt_cv_with_aix_soname+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) lt_cv_with_aix_soname=aix ;;
-esac
+else $as_nop
+  lt_cv_with_aix_soname=aix
 fi
 
-    with_aix_soname=$lt_cv_with_aix_soname ;;
-esac
+    with_aix_soname=$lt_cv_with_aix_soname
 fi
 
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $with_aix_soname" >&5
@@ -8675,8 +8592,8 @@ printf %s "checking for objdir... " >&6; }
 if test ${lt_cv_objdir+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) rm -f .libs 2>/dev/null
+else $as_nop
+  rm -f .libs 2>/dev/null
 mkdir .libs 2>/dev/null
 if test -d .libs; then
   lt_cv_objdir=.libs
@@ -8684,8 +8601,7 @@ else
   # MS-DOS does not allow filenames that begin with a dot.
   lt_cv_objdir=_libs
 fi
-rmdir .libs 2>/dev/null ;;
-esac
+rmdir .libs 2>/dev/null
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_objdir" >&5
 printf "%s\n" "$lt_cv_objdir" >&6; }
@@ -8753,8 +8669,8 @@ printf %s "checking for ${ac_tool_prefix}file... " >&6; }
 if test ${lt_cv_path_MAGIC_CMD+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) case $MAGIC_CMD in
+else $as_nop
+  case $MAGIC_CMD in
 [\\/*] |  ?:[\\/]*)
   lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path.
   ;;
@@ -8797,7 +8713,6 @@ _LT_EOF
   IFS=$lt_save_ifs
   MAGIC_CMD=$lt_save_MAGIC_CMD
   ;;
-esac ;;
 esac
 fi
 
@@ -8821,8 +8736,8 @@ printf %s "checking for file... " >&6; }
 if test ${lt_cv_path_MAGIC_CMD+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) case $MAGIC_CMD in
+else $as_nop
+  case $MAGIC_CMD in
 [\\/*] |  ?:[\\/]*)
   lt_cv_path_MAGIC_CMD=$MAGIC_CMD # Let the user override the test with a path.
   ;;
@@ -8865,7 +8780,6 @@ _LT_EOF
   IFS=$lt_save_ifs
   MAGIC_CMD=$lt_save_MAGIC_CMD
   ;;
-esac ;;
 esac
 fi
 
@@ -8965,8 +8879,8 @@ printf %s "checking if $compiler supports -fno-rtti -fno-exceptions... " >&6; }
 if test ${lt_cv_prog_compiler_rtti_exceptions+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) lt_cv_prog_compiler_rtti_exceptions=no
+else $as_nop
+  lt_cv_prog_compiler_rtti_exceptions=no
    ac_outfile=conftest.$ac_objext
    echo "$lt_simple_compile_test_code" > conftest.$ac_ext
    lt_compiler_flag="-fno-rtti -fno-exceptions"  ## exclude from sc_useless_quotes_in_assignment
@@ -8994,8 +8908,7 @@ else case e in #(
      fi
    fi
    $RM conftest*
- ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_rtti_exceptions" >&5
 printf "%s\n" "$lt_cv_prog_compiler_rtti_exceptions" >&6; }
@@ -9360,9 +9273,8 @@ printf %s "checking for $compiler option to produce PIC... " >&6; }
 if test ${lt_cv_prog_compiler_pic+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) lt_cv_prog_compiler_pic=$lt_prog_compiler_pic ;;
-esac
+else $as_nop
+  lt_cv_prog_compiler_pic=$lt_prog_compiler_pic
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic" >&5
 printf "%s\n" "$lt_cv_prog_compiler_pic" >&6; }
@@ -9377,8 +9289,8 @@ printf %s "checking if $compiler PIC flag $lt_prog_compiler_pic works... " >&6;
 if test ${lt_cv_prog_compiler_pic_works+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) lt_cv_prog_compiler_pic_works=no
+else $as_nop
+  lt_cv_prog_compiler_pic_works=no
    ac_outfile=conftest.$ac_objext
    echo "$lt_simple_compile_test_code" > conftest.$ac_ext
    lt_compiler_flag="$lt_prog_compiler_pic -DPIC"  ## exclude from sc_useless_quotes_in_assignment
@@ -9406,8 +9318,7 @@ else case e in #(
      fi
    fi
    $RM conftest*
- ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_pic_works" >&5
 printf "%s\n" "$lt_cv_prog_compiler_pic_works" >&6; }
@@ -9443,8 +9354,8 @@ printf %s "checking if $compiler static flag $lt_tmp_static_flag works... " >&6;
 if test ${lt_cv_prog_compiler_static_works+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) lt_cv_prog_compiler_static_works=no
+else $as_nop
+  lt_cv_prog_compiler_static_works=no
    save_LDFLAGS=$LDFLAGS
    LDFLAGS="$LDFLAGS $lt_tmp_static_flag"
    echo "$lt_simple_link_test_code" > conftest.$ac_ext
@@ -9465,8 +9376,7 @@ else case e in #(
    fi
    $RM -r conftest*
    LDFLAGS=$save_LDFLAGS
- ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_static_works" >&5
 printf "%s\n" "$lt_cv_prog_compiler_static_works" >&6; }
@@ -9488,8 +9398,8 @@ printf %s "checking if $compiler supports -c -o file.$ac_objext... " >&6; }
 if test ${lt_cv_prog_compiler_c_o+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) lt_cv_prog_compiler_c_o=no
+else $as_nop
+  lt_cv_prog_compiler_c_o=no
    $RM -r conftest 2>/dev/null
    mkdir conftest
    cd conftest
@@ -9529,8 +9439,7 @@ else case e in #(
    cd ..
    $RM -r conftest
    $RM conftest*
- ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5
 printf "%s\n" "$lt_cv_prog_compiler_c_o" >&6; }
@@ -9545,8 +9454,8 @@ printf %s "checking if $compiler supports -c -o file.$ac_objext... " >&6; }
 if test ${lt_cv_prog_compiler_c_o+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) lt_cv_prog_compiler_c_o=no
+else $as_nop
+  lt_cv_prog_compiler_c_o=no
    $RM -r conftest 2>/dev/null
    mkdir conftest
    cd conftest
@@ -9586,8 +9495,7 @@ else case e in #(
    cd ..
    $RM -r conftest
    $RM conftest*
- ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler_c_o" >&5
 printf "%s\n" "$lt_cv_prog_compiler_c_o" >&6; }
@@ -10182,8 +10090,8 @@ else
   if test ${lt_cv_aix_libpath_+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -10215,8 +10123,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam \
   if test -z "$lt_cv_aix_libpath_"; then
     lt_cv_aix_libpath_=/usr/lib:/lib
   fi
-   ;;
-esac
+
 fi
 
   aix_libpath=$lt_cv_aix_libpath_
@@ -10238,8 +10145,8 @@ else
   if test ${lt_cv_aix_libpath_+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -10271,8 +10178,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam \
   if test -z "$lt_cv_aix_libpath_"; then
     lt_cv_aix_libpath_=/usr/lib:/lib
   fi
-   ;;
-esac
+
 fi
 
   aix_libpath=$lt_cv_aix_libpath_
@@ -10523,8 +10429,8 @@ printf %s "checking if $CC understands -b... " >&6; }
 if test ${lt_cv_prog_compiler__b+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) lt_cv_prog_compiler__b=no
+else $as_nop
+  lt_cv_prog_compiler__b=no
    save_LDFLAGS=$LDFLAGS
    LDFLAGS="$LDFLAGS -b"
    echo "$lt_simple_link_test_code" > conftest.$ac_ext
@@ -10545,8 +10451,7 @@ else case e in #(
    fi
    $RM -r conftest*
    LDFLAGS=$save_LDFLAGS
- ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_prog_compiler__b" >&5
 printf "%s\n" "$lt_cv_prog_compiler__b" >&6; }
@@ -10594,8 +10499,8 @@ printf %s "checking whether the $host_os linker accepts -exported_symbol... " >&
 if test ${lt_cv_irix_exported_symbol+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) save_LDFLAGS=$LDFLAGS
+else $as_nop
+  save_LDFLAGS=$LDFLAGS
 	   LDFLAGS="$LDFLAGS -shared $wl-exported_symbol ${wl}foo $wl-update_registry $wl/dev/null"
 	   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -10604,14 +10509,12 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   lt_cv_irix_exported_symbol=yes
-else case e in #(
-  e) lt_cv_irix_exported_symbol=no ;;
-esac
+else $as_nop
+  lt_cv_irix_exported_symbol=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-           LDFLAGS=$save_LDFLAGS ;;
-esac
+           LDFLAGS=$save_LDFLAGS
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_irix_exported_symbol" >&5
 printf "%s\n" "$lt_cv_irix_exported_symbol" >&6; }
@@ -10937,8 +10840,8 @@ printf %s "checking whether -lc should be explicitly linked in... " >&6; }
 if test ${lt_cv_archive_cmds_need_lc+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) $RM conftest*
+else $as_nop
+  $RM conftest*
 	echo "$lt_simple_compile_test_code" > conftest.$ac_ext
 
 	if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
@@ -10974,8 +10877,7 @@ else case e in #(
 	  cat conftest.err 1>&5
 	fi
 	$RM conftest*
-	 ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_archive_cmds_need_lc" >&5
 printf "%s\n" "$lt_cv_archive_cmds_need_lc" >&6; }
@@ -11702,8 +11604,8 @@ linux* | k*bsd*-gnu | kopensolaris*-gnu | gnu*)
   if test ${lt_cv_shlibpath_overrides_runpath+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) lt_cv_shlibpath_overrides_runpath=no
+else $as_nop
+  lt_cv_shlibpath_overrides_runpath=no
     save_LDFLAGS=$LDFLAGS
     save_libdir=$libdir
     eval "libdir=/foo; wl=\"$lt_prog_compiler_wl\"; \
@@ -11730,8 +11632,7 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
     LDFLAGS=$save_LDFLAGS
     libdir=$save_libdir
-     ;;
-esac
+
 fi
 
   shlibpath_overrides_runpath=$lt_cv_shlibpath_overrides_runpath
@@ -12156,22 +12057,16 @@ printf %s "checking for dlopen in -ldl... " >&6; }
 if test ${ac_cv_lib_dl_dlopen+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_check_lib_save_LIBS=$LIBS
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
 LIBS="-ldl  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.
-   The 'extern "C"' is for builds by C++ compilers;
-   although this is not generally supported in C code supporting it here
-   has little cost and some practical benefit (sr 110532).  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char dlopen (void);
+   builtin and then its argument prototype would still apply.  */
+char dlopen ();
 int
 main (void)
 {
@@ -12183,27 +12078,24 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_dl_dlopen=yes
-else case e in #(
-  e) ac_cv_lib_dl_dlopen=no ;;
-esac
+else $as_nop
+  ac_cv_lib_dl_dlopen=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS ;;
-esac
+LIBS=$ac_check_lib_save_LIBS
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
 printf "%s\n" "$ac_cv_lib_dl_dlopen" >&6; }
 if test "x$ac_cv_lib_dl_dlopen" = xyes
 then :
   lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl
-else case e in #(
-  e)
+else $as_nop
+
     lt_cv_dlopen=dyld
     lt_cv_dlopen_libs=
     lt_cv_dlopen_self=yes
-     ;;
-esac
+
 fi
 
     ;;
@@ -12221,28 +12113,22 @@ fi
 if test "x$ac_cv_func_shl_load" = xyes
 then :
   lt_cv_dlopen=shl_load
-else case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for shl_load in -ldld" >&5
 printf %s "checking for shl_load in -ldld... " >&6; }
 if test ${ac_cv_lib_dld_shl_load+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_check_lib_save_LIBS=$LIBS
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
 LIBS="-ldld  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.
-   The 'extern "C"' is for builds by C++ compilers;
-   although this is not generally supported in C code supporting it here
-   has little cost and some practical benefit (sr 110532).  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char shl_load (void);
+   builtin and then its argument prototype would still apply.  */
+char shl_load ();
 int
 main (void)
 {
@@ -12254,47 +12140,39 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_dld_shl_load=yes
-else case e in #(
-  e) ac_cv_lib_dld_shl_load=no ;;
-esac
+else $as_nop
+  ac_cv_lib_dld_shl_load=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS ;;
-esac
+LIBS=$ac_check_lib_save_LIBS
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_shl_load" >&5
 printf "%s\n" "$ac_cv_lib_dld_shl_load" >&6; }
 if test "x$ac_cv_lib_dld_shl_load" = xyes
 then :
   lt_cv_dlopen=shl_load lt_cv_dlopen_libs=-ldld
-else case e in #(
-  e) ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen"
+else $as_nop
+  ac_fn_c_check_func "$LINENO" "dlopen" "ac_cv_func_dlopen"
 if test "x$ac_cv_func_dlopen" = xyes
 then :
   lt_cv_dlopen=dlopen
-else case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dlopen in -ldl" >&5
 printf %s "checking for dlopen in -ldl... " >&6; }
 if test ${ac_cv_lib_dl_dlopen+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_check_lib_save_LIBS=$LIBS
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
 LIBS="-ldl  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.
-   The 'extern "C"' is for builds by C++ compilers;
-   although this is not generally supported in C code supporting it here
-   has little cost and some practical benefit (sr 110532).  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char dlopen (void);
+   builtin and then its argument prototype would still apply.  */
+char dlopen ();
 int
 main (void)
 {
@@ -12306,42 +12184,34 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_dl_dlopen=yes
-else case e in #(
-  e) ac_cv_lib_dl_dlopen=no ;;
-esac
+else $as_nop
+  ac_cv_lib_dl_dlopen=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS ;;
-esac
+LIBS=$ac_check_lib_save_LIBS
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dl_dlopen" >&5
 printf "%s\n" "$ac_cv_lib_dl_dlopen" >&6; }
 if test "x$ac_cv_lib_dl_dlopen" = xyes
 then :
   lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-ldl
-else case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dlopen in -lsvld" >&5
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dlopen in -lsvld" >&5
 printf %s "checking for dlopen in -lsvld... " >&6; }
 if test ${ac_cv_lib_svld_dlopen+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_check_lib_save_LIBS=$LIBS
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
 LIBS="-lsvld  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.
-   The 'extern "C"' is for builds by C++ compilers;
-   although this is not generally supported in C code supporting it here
-   has little cost and some practical benefit (sr 110532).  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char dlopen (void);
+   builtin and then its argument prototype would still apply.  */
+char dlopen ();
 int
 main (void)
 {
@@ -12353,42 +12223,34 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_svld_dlopen=yes
-else case e in #(
-  e) ac_cv_lib_svld_dlopen=no ;;
-esac
+else $as_nop
+  ac_cv_lib_svld_dlopen=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS ;;
-esac
+LIBS=$ac_check_lib_save_LIBS
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_svld_dlopen" >&5
 printf "%s\n" "$ac_cv_lib_svld_dlopen" >&6; }
 if test "x$ac_cv_lib_svld_dlopen" = xyes
 then :
   lt_cv_dlopen=dlopen lt_cv_dlopen_libs=-lsvld
-else case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dld_link in -ldld" >&5
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for dld_link in -ldld" >&5
 printf %s "checking for dld_link in -ldld... " >&6; }
 if test ${ac_cv_lib_dld_dld_link+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_check_lib_save_LIBS=$LIBS
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
 LIBS="-ldld  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.
-   The 'extern "C"' is for builds by C++ compilers;
-   although this is not generally supported in C code supporting it here
-   has little cost and some practical benefit (sr 110532).  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char dld_link (void);
+   builtin and then its argument prototype would still apply.  */
+char dld_link ();
 int
 main (void)
 {
@@ -12400,14 +12262,12 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_dld_dld_link=yes
-else case e in #(
-  e) ac_cv_lib_dld_dld_link=no ;;
-esac
+else $as_nop
+  ac_cv_lib_dld_dld_link=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS ;;
-esac
+LIBS=$ac_check_lib_save_LIBS
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_dld_dld_link" >&5
 printf "%s\n" "$ac_cv_lib_dld_dld_link" >&6; }
@@ -12416,24 +12276,19 @@ then :
   lt_cv_dlopen=dld_link lt_cv_dlopen_libs=-ldld
 fi
 
-	       ;;
-esac
+
 fi
 
-	     ;;
-esac
+
 fi
 
-	   ;;
-esac
+
 fi
 
-	 ;;
-esac
+
 fi
 
-       ;;
-esac
+
 fi
 
     ;;
@@ -12461,8 +12316,8 @@ printf %s "checking whether a program can dlopen itself... " >&6; }
 if test ${lt_cv_dlopen_self+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) 	  if test yes = "$cross_compiling"; then :
+else $as_nop
+  	  if test yes = "$cross_compiling"; then :
   lt_cv_dlopen_self=cross
 else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
@@ -12556,8 +12411,7 @@ _LT_EOF
 fi
 rm -fr conftest*
 
-     ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self" >&5
 printf "%s\n" "$lt_cv_dlopen_self" >&6; }
@@ -12569,8 +12423,8 @@ printf %s "checking whether a statically linked program can dlopen itself... " >
 if test ${lt_cv_dlopen_self_static+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) 	  if test yes = "$cross_compiling"; then :
+else $as_nop
+  	  if test yes = "$cross_compiling"; then :
   lt_cv_dlopen_self_static=cross
 else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
@@ -12664,8 +12518,7 @@ _LT_EOF
 fi
 rm -fr conftest*
 
-       ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $lt_cv_dlopen_self_static" >&5
 printf "%s\n" "$lt_cv_dlopen_self_static" >&6; }
@@ -12839,9 +12692,8 @@ printf %s "checking whether to enable maintainer-specific portions of Makefiles.
 if test ${enable_maintainer_mode+y}
 then :
   enableval=$enable_maintainer_mode; USE_MAINTAINER_MODE=$enableval
-else case e in #(
-  e) USE_MAINTAINER_MODE=no ;;
-esac
+else $as_nop
+  USE_MAINTAINER_MODE=no
 fi
 
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $USE_MAINTAINER_MODE" >&5
@@ -12881,8 +12733,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_CC+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$CC"; then
+else $as_nop
+  if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -12904,8 +12756,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
@@ -12927,8 +12778,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_CC+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$ac_ct_CC"; then
+else $as_nop
+  if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -12950,8 +12801,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
@@ -12986,8 +12836,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_CC+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$CC"; then
+else $as_nop
+  if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -13009,8 +12859,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
@@ -13032,8 +12881,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_CC+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$CC"; then
+else $as_nop
+  if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
   ac_prog_rejected=no
@@ -13072,8 +12921,7 @@ if test $ac_prog_rejected = yes; then
     ac_cv_prog_CC="$as_dir$ac_word${1+' '}$@"
   fi
 fi
-fi ;;
-esac
+fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
@@ -13097,8 +12945,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_CC+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$CC"; then
+else $as_nop
+  if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -13120,8 +12968,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
@@ -13147,8 +12994,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_CC+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$ac_ct_CC"; then
+else $as_nop
+  if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -13170,8 +13017,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
@@ -13209,8 +13055,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_CC+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$CC"; then
+else $as_nop
+  if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -13232,8 +13078,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
@@ -13255,8 +13100,8 @@ printf %s "checking for $ac_word... " >&6; }
 if test ${ac_cv_prog_ac_ct_CC+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -n "$ac_ct_CC"; then
+else $as_nop
+  if test -n "$ac_ct_CC"; then
   ac_cv_prog_ac_ct_CC="$ac_ct_CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -13278,8 +13123,7 @@ done
   done
 IFS=$as_save_IFS
 
-fi ;;
-esac
+fi
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
@@ -13308,10 +13152,10 @@ fi
 fi
 
 
-test -z "$CC" && { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
+test -z "$CC" && { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "no acceptable C compiler found in \$PATH
-See 'config.log' for more details" "$LINENO" 5; }
+See \`config.log' for more details" "$LINENO" 5; }
 
 # Provide some information about the compiler.
 printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5
@@ -13343,8 +13187,8 @@ printf %s "checking whether the compiler supports GNU C... " >&6; }
 if test ${ac_cv_c_compiler_gnu+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -13361,14 +13205,12 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   ac_compiler_gnu=yes
-else case e in #(
-  e) ac_compiler_gnu=no ;;
-esac
+else $as_nop
+  ac_compiler_gnu=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_cv_c_compiler_gnu=$ac_compiler_gnu
- ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_compiler_gnu" >&5
 printf "%s\n" "$ac_cv_c_compiler_gnu" >&6; }
@@ -13386,8 +13228,8 @@ printf %s "checking whether $CC accepts -g... " >&6; }
 if test ${ac_cv_prog_cc_g+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_save_c_werror_flag=$ac_c_werror_flag
+else $as_nop
+  ac_save_c_werror_flag=$ac_c_werror_flag
    ac_c_werror_flag=yes
    ac_cv_prog_cc_g=no
    CFLAGS="-g"
@@ -13405,8 +13247,8 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   ac_cv_prog_cc_g=yes
-else case e in #(
-  e) CFLAGS=""
+else $as_nop
+  CFLAGS=""
       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -13421,8 +13263,8 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
 
-else case e in #(
-  e) ac_c_werror_flag=$ac_save_c_werror_flag
+else $as_nop
+  ac_c_werror_flag=$ac_save_c_werror_flag
 	 CFLAGS="-g"
 	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -13439,15 +13281,12 @@ if ac_fn_c_try_compile "$LINENO"
 then :
   ac_cv_prog_cc_g=yes
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
-esac
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
-esac
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-   ac_c_werror_flag=$ac_save_c_werror_flag ;;
-esac
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+   ac_c_werror_flag=$ac_save_c_werror_flag
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
 printf "%s\n" "$ac_cv_prog_cc_g" >&6; }
@@ -13474,8 +13313,8 @@ printf %s "checking for $CC option to enable C11 features... " >&6; }
 if test ${ac_cv_prog_cc_c11+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_cv_prog_cc_c11=no
+else $as_nop
+  ac_cv_prog_cc_c11=no
 ac_save_CC=$CC
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -13492,28 +13331,25 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam
   test "x$ac_cv_prog_cc_c11" != "xno" && break
 done
 rm -f conftest.$ac_ext
-CC=$ac_save_CC ;;
-esac
+CC=$ac_save_CC
 fi
 
 if test "x$ac_cv_prog_cc_c11" = xno
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
 printf "%s\n" "unsupported" >&6; }
-else case e in #(
-  e) if test "x$ac_cv_prog_cc_c11" = x
+else $as_nop
+  if test "x$ac_cv_prog_cc_c11" = x
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
 printf "%s\n" "none needed" >&6; }
-else case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c11" >&5
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c11" >&5
 printf "%s\n" "$ac_cv_prog_cc_c11" >&6; }
-     CC="$CC $ac_cv_prog_cc_c11" ;;
-esac
+     CC="$CC $ac_cv_prog_cc_c11"
 fi
   ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c11
-  ac_prog_cc_stdc=c11 ;;
-esac
+  ac_prog_cc_stdc=c11
 fi
 fi
 if test x$ac_prog_cc_stdc = xno
@@ -13523,8 +13359,8 @@ printf %s "checking for $CC option to enable C99 features... " >&6; }
 if test ${ac_cv_prog_cc_c99+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_cv_prog_cc_c99=no
+else $as_nop
+  ac_cv_prog_cc_c99=no
 ac_save_CC=$CC
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -13541,28 +13377,25 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam
   test "x$ac_cv_prog_cc_c99" != "xno" && break
 done
 rm -f conftest.$ac_ext
-CC=$ac_save_CC ;;
-esac
+CC=$ac_save_CC
 fi
 
 if test "x$ac_cv_prog_cc_c99" = xno
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
 printf "%s\n" "unsupported" >&6; }
-else case e in #(
-  e) if test "x$ac_cv_prog_cc_c99" = x
+else $as_nop
+  if test "x$ac_cv_prog_cc_c99" = x
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
 printf "%s\n" "none needed" >&6; }
-else case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c99" >&5
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c99" >&5
 printf "%s\n" "$ac_cv_prog_cc_c99" >&6; }
-     CC="$CC $ac_cv_prog_cc_c99" ;;
-esac
+     CC="$CC $ac_cv_prog_cc_c99"
 fi
   ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c99
-  ac_prog_cc_stdc=c99 ;;
-esac
+  ac_prog_cc_stdc=c99
 fi
 fi
 if test x$ac_prog_cc_stdc = xno
@@ -13572,8 +13405,8 @@ printf %s "checking for $CC option to enable C89 features... " >&6; }
 if test ${ac_cv_prog_cc_c89+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_cv_prog_cc_c89=no
+else $as_nop
+  ac_cv_prog_cc_c89=no
 ac_save_CC=$CC
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -13590,28 +13423,25 @@ rm -f core conftest.err conftest.$ac_objext conftest.beam
   test "x$ac_cv_prog_cc_c89" != "xno" && break
 done
 rm -f conftest.$ac_ext
-CC=$ac_save_CC ;;
-esac
+CC=$ac_save_CC
 fi
 
 if test "x$ac_cv_prog_cc_c89" = xno
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
 printf "%s\n" "unsupported" >&6; }
-else case e in #(
-  e) if test "x$ac_cv_prog_cc_c89" = x
+else $as_nop
+  if test "x$ac_cv_prog_cc_c89" = x
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
 printf "%s\n" "none needed" >&6; }
-else case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
 printf "%s\n" "$ac_cv_prog_cc_c89" >&6; }
-     CC="$CC $ac_cv_prog_cc_c89" ;;
-esac
+     CC="$CC $ac_cv_prog_cc_c89"
 fi
   ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c89
-  ac_prog_cc_stdc=c89 ;;
-esac
+  ac_prog_cc_stdc=c89
 fi
 fi
 
@@ -13632,8 +13462,8 @@ printf %s "checking whether $CC understands -c and -o together... " >&6; }
 if test ${am_cv_prog_cc_c_o+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -13663,8 +13493,7 @@ _ACEOF
     fi
   done
   rm -f core conftest*
-  unset am_i ;;
-esac
+  unset am_i
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_prog_cc_c_o" >&5
 printf "%s\n" "$am_cv_prog_cc_c_o" >&6; }
@@ -13690,8 +13519,8 @@ printf %s "checking dependency style of $depcc... " >&6; }
 if test ${am_cv_CC_dependencies_compiler_type+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
+else $as_nop
+  if test -z "$AMDEP_TRUE" && test -f "$am_depcomp"; then
   # We make a subdir and do the tests there.  Otherwise we can end up
   # making bogus files that we don't know about and never remove.  For
   # instance it was reported that on HP-UX the gcc test will end up
@@ -13795,8 +13624,7 @@ else case e in #(
 else
   am_cv_CC_dependencies_compiler_type=none
 fi
- ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $am_cv_CC_dependencies_compiler_type" >&5
 printf "%s\n" "$am_cv_CC_dependencies_compiler_type" >&6; }
@@ -13835,8 +13663,8 @@ printf %s "checking for main in -lws2_32... " >&6; }
 if test ${ac_cv_lib_ws2_32_main+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_check_lib_save_LIBS=$LIBS
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
 LIBS="-lws2_32  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -13853,14 +13681,12 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_ws2_32_main=yes
-else case e in #(
-  e) ac_cv_lib_ws2_32_main=no ;;
-esac
+else $as_nop
+  ac_cv_lib_ws2_32_main=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS ;;
-esac
+LIBS=$ac_check_lib_save_LIBS
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ws2_32_main" >&5
 printf "%s\n" "$ac_cv_lib_ws2_32_main" >&6; }
@@ -13877,8 +13703,8 @@ printf %s "checking for main in -liphlpapi... " >&6; }
 if test ${ac_cv_lib_iphlpapi_main+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_check_lib_save_LIBS=$LIBS
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
 LIBS="-liphlpapi  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -13895,14 +13721,12 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_iphlpapi_main=yes
-else case e in #(
-  e) ac_cv_lib_iphlpapi_main=no ;;
-esac
+else $as_nop
+  ac_cv_lib_iphlpapi_main=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS ;;
-esac
+LIBS=$ac_check_lib_save_LIBS
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_iphlpapi_main" >&5
 printf "%s\n" "$ac_cv_lib_iphlpapi_main" >&6; }
@@ -13936,8 +13760,8 @@ printf "%s\n" "$withval" >&6; }
 	  else
 	     as_fn_error $? "packet32.h or packet.lib not found in $withval" "$LINENO" 5
 	  fi
-else case e in #(
-  e)  for dir in ${prefix} ${HOME}/WPdpack ; do
+else $as_nop
+   for dir in ${prefix} ${HOME}/WPdpack ; do
 	     if test -f ${dir}/include/packet32.h -a -f ${dir}/lib/packet.lib; then
 	        CFLAGS="$CFLAGS -I${dir}/include"
 		LIBS="$LIBS -L${dir}/lib -lpacket"
@@ -13949,8 +13773,7 @@ else case e in #(
 	     as_fn_error $? "WinPcap developer's pack not found" "$LINENO" 5
 	  fi
 	  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }  ;;
-esac
+printf "%s\n" "yes" >&6; }
 fi
 
 fi
@@ -13963,29 +13786,23 @@ if test "$CYGWIN" != yes ; then
 if test "x$ac_cv_func_gethostbyname" = xyes
 then :
 
-else case e in #(
-  e) # Some OSes (eg. Solaris) place it in libnsl:
+else $as_nop
+  # Some OSes (eg. Solaris) place it in libnsl:
         { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for gethostbyname in -lnsl" >&5
 printf %s "checking for gethostbyname in -lnsl... " >&6; }
 if test ${ac_cv_lib_nsl_gethostbyname+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_check_lib_save_LIBS=$LIBS
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
 LIBS="-lnsl  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.
-   The 'extern "C"' is for builds by C++ compilers;
-   although this is not generally supported in C code supporting it here
-   has little cost and some practical benefit (sr 110532).  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char gethostbyname (void);
+   builtin and then its argument prototype would still apply.  */
+char gethostbyname ();
 int
 main (void)
 {
@@ -13997,14 +13814,12 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_nsl_gethostbyname=yes
-else case e in #(
-  e) ac_cv_lib_nsl_gethostbyname=no ;;
-esac
+else $as_nop
+  ac_cv_lib_nsl_gethostbyname=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS ;;
-esac
+LIBS=$ac_check_lib_save_LIBS
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_nsl_gethostbyname" >&5
 printf "%s\n" "$ac_cv_lib_nsl_gethostbyname" >&6; }
@@ -14014,29 +13829,23 @@ then :
 
   LIBS="-lnsl $LIBS"
 
-else case e in #(
-  e) # Some strange OSes (SINIX) have it in libsocket:
+else $as_nop
+  # Some strange OSes (SINIX) have it in libsocket:
             { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for gethostbyname in -lsocket" >&5
 printf %s "checking for gethostbyname in -lsocket... " >&6; }
 if test ${ac_cv_lib_socket_gethostbyname+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_check_lib_save_LIBS=$LIBS
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
 LIBS="-lsocket  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.
-   The 'extern "C"' is for builds by C++ compilers;
-   although this is not generally supported in C code supporting it here
-   has little cost and some practical benefit (sr 110532).  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char gethostbyname (void);
+   builtin and then its argument prototype would still apply.  */
+char gethostbyname ();
 int
 main (void)
 {
@@ -14048,14 +13857,12 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_socket_gethostbyname=yes
-else case e in #(
-  e) ac_cv_lib_socket_gethostbyname=no ;;
-esac
+else $as_nop
+  ac_cv_lib_socket_gethostbyname=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS ;;
-esac
+LIBS=$ac_check_lib_save_LIBS
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_socket_gethostbyname" >&5
 printf "%s\n" "$ac_cv_lib_socket_gethostbyname" >&6; }
@@ -14065,8 +13872,8 @@ then :
 
   LIBS="-lsocket $LIBS"
 
-else case e in #(
-  e) # Unfortunately libsocket sometimes depends on libnsl.
+else $as_nop
+  # Unfortunately libsocket sometimes depends on libnsl.
                 # AC_CHECK_LIB's API is essentially broken so the
                 # following ugliness is necessary:
                 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for gethostbyname in -lsocket" >&5
@@ -14074,22 +13881,16 @@ printf %s "checking for gethostbyname in -lsocket... " >&6; }
 if test ${ac_cv_lib_socket_gethostbyname+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_check_lib_save_LIBS=$LIBS
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
 LIBS="-lsocket -lnsl $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.
-   The 'extern "C"' is for builds by C++ compilers;
-   although this is not generally supported in C code supporting it here
-   has little cost and some practical benefit (sr 110532).  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char gethostbyname (void);
+   builtin and then its argument prototype would still apply.  */
+char gethostbyname ();
 int
 main (void)
 {
@@ -14101,42 +13902,34 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_socket_gethostbyname=yes
-else case e in #(
-  e) ac_cv_lib_socket_gethostbyname=no ;;
-esac
+else $as_nop
+  ac_cv_lib_socket_gethostbyname=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS ;;
-esac
+LIBS=$ac_check_lib_save_LIBS
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_socket_gethostbyname" >&5
 printf "%s\n" "$ac_cv_lib_socket_gethostbyname" >&6; }
 if test "x$ac_cv_lib_socket_gethostbyname" = xyes
 then :
   LIBS="-lsocket -lnsl $LIBS"
-else case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for gethostbyname in -lresolv" >&5
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for gethostbyname in -lresolv" >&5
 printf %s "checking for gethostbyname in -lresolv... " >&6; }
 if test ${ac_cv_lib_resolv_gethostbyname+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_check_lib_save_LIBS=$LIBS
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
 LIBS="-lresolv  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.
-   The 'extern "C"' is for builds by C++ compilers;
-   although this is not generally supported in C code supporting it here
-   has little cost and some practical benefit (sr 110532).  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char gethostbyname (void);
+   builtin and then its argument prototype would still apply.  */
+char gethostbyname ();
 int
 main (void)
 {
@@ -14148,14 +13941,12 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_resolv_gethostbyname=yes
-else case e in #(
-  e) ac_cv_lib_resolv_gethostbyname=no ;;
-esac
+else $as_nop
+  ac_cv_lib_resolv_gethostbyname=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS ;;
-esac
+LIBS=$ac_check_lib_save_LIBS
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_resolv_gethostbyname" >&5
 printf "%s\n" "$ac_cv_lib_resolv_gethostbyname" >&6; }
@@ -14166,45 +13957,35 @@ then :
   LIBS="-lresolv $LIBS"
 
 fi
- ;;
-esac
+
 fi
- ;;
-esac
+
 fi
- ;;
-esac
+
 fi
- ;;
-esac
+
 fi
 
     ac_fn_c_check_func "$LINENO" "socket" "ac_cv_func_socket"
 if test "x$ac_cv_func_socket" = xyes
 then :
 
-else case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for socket in -lsocket" >&5
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for socket in -lsocket" >&5
 printf %s "checking for socket in -lsocket... " >&6; }
 if test ${ac_cv_lib_socket_socket+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_check_lib_save_LIBS=$LIBS
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
 LIBS="-lsocket  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.
-   The 'extern "C"' is for builds by C++ compilers;
-   although this is not generally supported in C code supporting it here
-   has little cost and some practical benefit (sr 110532).  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char socket (void);
+   builtin and then its argument prototype would still apply.  */
+char socket ();
 int
 main (void)
 {
@@ -14216,14 +13997,12 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_socket_socket=yes
-else case e in #(
-  e) ac_cv_lib_socket_socket=no ;;
-esac
+else $as_nop
+  ac_cv_lib_socket_socket=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS ;;
-esac
+LIBS=$ac_check_lib_save_LIBS
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_socket_socket" >&5
 printf "%s\n" "$ac_cv_lib_socket_socket" >&6; }
@@ -14233,28 +14012,22 @@ then :
 
   LIBS="-lsocket $LIBS"
 
-else case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for socket in -lsocket" >&5
+else $as_nop
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for socket in -lsocket" >&5
 printf %s "checking for socket in -lsocket... " >&6; }
 if test ${ac_cv_lib_socket_socket+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_check_lib_save_LIBS=$LIBS
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
 LIBS="-lsocket -lnsl $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.
-   The 'extern "C"' is for builds by C++ compilers;
-   although this is not generally supported in C code supporting it here
-   has little cost and some practical benefit (sr 110532).  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char socket (void);
+   builtin and then its argument prototype would still apply.  */
+char socket ();
 int
 main (void)
 {
@@ -14266,14 +14039,12 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_socket_socket=yes
-else case e in #(
-  e) ac_cv_lib_socket_socket=no ;;
-esac
+else $as_nop
+  ac_cv_lib_socket_socket=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS ;;
-esac
+LIBS=$ac_check_lib_save_LIBS
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_socket_socket" >&5
 printf "%s\n" "$ac_cv_lib_socket_socket" >&6; }
@@ -14281,11 +14052,9 @@ if test "x$ac_cv_lib_socket_socket" = xyes
 then :
   LIBS="-lsocket -lnsl $LIBS"
 fi
- ;;
-esac
+
 fi
- ;;
-esac
+
 fi
 
     # DLPI needs putmsg under HPUX so test for -lstr while we're at it
@@ -14294,22 +14063,16 @@ printf %s "checking for putmsg in -lstr... " >&6; }
 if test ${ac_cv_lib_str_putmsg+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_check_lib_save_LIBS=$LIBS
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
 LIBS="-lstr  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.
-   The 'extern "C"' is for builds by C++ compilers;
-   although this is not generally supported in C code supporting it here
-   has little cost and some practical benefit (sr 110532).  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char putmsg (void);
+   builtin and then its argument prototype would still apply.  */
+char putmsg ();
 int
 main (void)
 {
@@ -14321,14 +14084,12 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_str_putmsg=yes
-else case e in #(
-  e) ac_cv_lib_str_putmsg=no ;;
-esac
+else $as_nop
+  ac_cv_lib_str_putmsg=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS ;;
-esac
+LIBS=$ac_check_lib_save_LIBS
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_str_putmsg" >&5
 printf "%s\n" "$ac_cv_lib_str_putmsg" >&6; }
@@ -14345,22 +14106,16 @@ printf %s "checking for open_mib in -lnm... " >&6; }
 if test ${ac_cv_lib_nm_open_mib+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_check_lib_save_LIBS=$LIBS
+else $as_nop
+  ac_check_lib_save_LIBS=$LIBS
 LIBS="-lnm  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 /* Override any GCC internal prototype to avoid an error.
    Use char because int might match the return type of a GCC
-   builtin and then its argument prototype would still apply.
-   The 'extern "C"' is for builds by C++ compilers;
-   although this is not generally supported in C code supporting it here
-   has little cost and some practical benefit (sr 110532).  */
-#ifdef __cplusplus
-extern "C"
-#endif
-char open_mib (void);
+   builtin and then its argument prototype would still apply.  */
+char open_mib ();
 int
 main (void)
 {
@@ -14372,14 +14127,12 @@ _ACEOF
 if ac_fn_c_try_link "$LINENO"
 then :
   ac_cv_lib_nm_open_mib=yes
-else case e in #(
-  e) ac_cv_lib_nm_open_mib=no ;;
-esac
+else $as_nop
+  ac_cv_lib_nm_open_mib=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS ;;
-esac
+LIBS=$ac_check_lib_save_LIBS
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_nm_open_mib" >&5
 printf "%s\n" "$ac_cv_lib_nm_open_mib" >&6; }
@@ -14681,8 +14434,8 @@ printf %s "checking for an ANSI C-conforming const... " >&6; }
 if test ${ac_cv_c_const+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -14746,12 +14499,10 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   ac_cv_c_const=yes
-else case e in #(
-  e) ac_cv_c_const=no ;;
-esac
+else $as_nop
+  ac_cv_c_const=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
-esac
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_const" >&5
 printf "%s\n" "$ac_cv_c_const" >&6; }
@@ -14766,8 +14517,8 @@ printf %s "checking for inline... " >&6; }
 if test ${ac_cv_c_inline+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) ac_cv_c_inline=no
+else $as_nop
+  ac_cv_c_inline=no
 for ac_kw in inline __inline__ __inline; do
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -14785,8 +14536,7 @@ fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
   test "$ac_cv_c_inline" != no && break
 done
- ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_inline" >&5
 printf "%s\n" "$ac_cv_c_inline" >&6; }
@@ -14812,8 +14562,8 @@ esac
 if test "x$ac_cv_type_pid_t" = xyes
 then :
 
-else case e in #(
-  e)                                         cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else $as_nop
+                                          cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
           #if defined _WIN64 && !defined __CYGWIN__
@@ -14832,16 +14582,14 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   ac_pid_type='int'
-else case e in #(
-  e) ac_pid_type='__int64' ;;
-esac
+else $as_nop
+  ac_pid_type='__int64'
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
 printf "%s\n" "#define pid_t $ac_pid_type" >>confdefs.h
 
-     ;;
-esac
+
 fi
 
 
@@ -14849,11 +14597,10 @@ ac_fn_c_check_type "$LINENO" "size_t" "ac_cv_type_size_t" "$ac_includes_default"
 if test "x$ac_cv_type_size_t" = xyes
 then :
 
-else case e in #(
-  e)
+else $as_nop
+
 printf "%s\n" "#define size_t unsigned int" >>confdefs.h
- ;;
-esac
+
 fi
 
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for sockaddr_in6 struct in <netinet/in.h>" >&5
@@ -14861,8 +14608,8 @@ printf %s "checking for sockaddr_in6 struct in <netinet/in.h>... " >&6; }
     if test ${ac_cv_dnet_netinet_in_h_has_sockaddr_in6+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
                         #include <sys/socket.h>
@@ -14878,12 +14625,10 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   ac_cv_dnet_netinet_in_h_has_sockaddr_in6=yes
-else case e in #(
-  e) ac_cv_dnet_netinet_in_h_has_sockaddr_in6=no ;;
-esac
+else $as_nop
+  ac_cv_dnet_netinet_in_h_has_sockaddr_in6=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
-esac
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_dnet_netinet_in_h_has_sockaddr_in6" >&5
@@ -14899,8 +14644,8 @@ printf %s "checking for sa_len in sockaddr struct... " >&6; }
     if test ${ac_cv_dnet_sockaddr_has_sa_len+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #ifndef _SOCKADDR_LEN
                         #define _SOCKADDR_LEN 1
@@ -14918,12 +14663,10 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   ac_cv_dnet_sockaddr_has_sa_len=yes
-else case e in #(
-  e) ac_cv_dnet_sockaddr_has_sa_len=no ;;
-esac
+else $as_nop
+  ac_cv_dnet_sockaddr_has_sa_len=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
-esac
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_dnet_sockaddr_has_sa_len" >&5
@@ -14940,8 +14683,8 @@ printf %s "checking for arp_dev in arpreq struct... " >&6; }
     if test ${ac_cv_dnet_arpreq_has_arp_dev+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
                     #include <sys/socket.h>
@@ -14957,12 +14700,10 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   ac_cv_dnet_arpreq_has_arp_dev=yes
-else case e in #(
-  e) ac_cv_dnet_arpreq_has_arp_dev=no ;;
-esac
+else $as_nop
+  ac_cv_dnet_arpreq_has_arp_dev=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
-esac
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_dnet_arpreq_has_arp_dev" >&5
@@ -14979,8 +14720,8 @@ printf %s "checking for rt_msghdr struct in <net/route.h>... " >&6; }
     if test ${ac_cv_dnet_route_h_has_rt_msghdr+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
                     #include <sys/socket.h>
@@ -14997,12 +14738,10 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   ac_cv_dnet_route_h_has_rt_msghdr=yes
-else case e in #(
-  e) ac_cv_dnet_route_h_has_rt_msghdr=no ;;
-esac
+else $as_nop
+  ac_cv_dnet_route_h_has_rt_msghdr=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
-esac
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_dnet_route_h_has_rt_msghdr" >&5
@@ -15013,6 +14752,183 @@ printf "%s\n" "#define HAVE_ROUTE_RT_MSGHDR 1" >>confdefs.h
 
     fi
 fi
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5
+printf %s "checking how to run the C preprocessor... " >&6; }
+# On Suns, sometimes $CPP names a directory.
+if test -n "$CPP" && test -d "$CPP"; then
+  CPP=
+fi
+if test -z "$CPP"; then
+  if test ${ac_cv_prog_CPP+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+      # Double quotes because $CC needs to be expanded
+    for CPP in "$CC -E" "$CC -E -traditional-cpp" cpp /lib/cpp
+    do
+      ac_preproc_ok=false
+for ac_c_preproc_warn_flag in '' yes
+do
+  # Use a header file that comes with gcc, so configuring glibc
+  # with a fresh cross-compiler works.
+  # On the NeXT, cc -E runs the code through the compiler's parser,
+  # not just through cpp. "Syntax error" is here to catch this case.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <limits.h>
+		     Syntax error
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"
+then :
+
+else $as_nop
+  # Broken: fails on valid input.
+continue
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+
+  # OK, works on sane cases.  Now check whether nonexistent headers
+  # can be detected and how.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <ac_nonexistent.h>
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"
+then :
+  # Broken: success on invalid input.
+continue
+else $as_nop
+  # Passes both tests.
+ac_preproc_ok=:
+break
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+
+done
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.i conftest.err conftest.$ac_ext
+if $ac_preproc_ok
+then :
+  break
+fi
+
+    done
+    ac_cv_prog_CPP=$CPP
+
+fi
+  CPP=$ac_cv_prog_CPP
+else
+  ac_cv_prog_CPP=$CPP
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5
+printf "%s\n" "$CPP" >&6; }
+ac_preproc_ok=false
+for ac_c_preproc_warn_flag in '' yes
+do
+  # Use a header file that comes with gcc, so configuring glibc
+  # with a fresh cross-compiler works.
+  # On the NeXT, cc -E runs the code through the compiler's parser,
+  # not just through cpp. "Syntax error" is here to catch this case.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <limits.h>
+		     Syntax error
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"
+then :
+
+else $as_nop
+  # Broken: fails on valid input.
+continue
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+
+  # OK, works on sane cases.  Now check whether nonexistent headers
+  # can be detected and how.
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <ac_nonexistent.h>
+_ACEOF
+if ac_fn_c_try_cpp "$LINENO"
+then :
+  # Broken: success on invalid input.
+continue
+else $as_nop
+  # Passes both tests.
+ac_preproc_ok=:
+break
+fi
+rm -f conftest.err conftest.i conftest.$ac_ext
+
+done
+# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
+rm -f conftest.i conftest.err conftest.$ac_ext
+if $ac_preproc_ok
+then :
+
+else $as_nop
+  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "C preprocessor \"$CPP\" fails sanity check
+See \`config.log' for more details" "$LINENO" 5; }
+fi
+
+ac_ext=c
+ac_cpp='$CPP $CPPFLAGS'
+ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
+ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
+ac_compiler_gnu=$ac_cv_c_compiler_gnu
+
+
+if test $ac_cv_c_compiler_gnu = yes; then
+    { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether $CC needs -traditional" >&5
+printf %s "checking whether $CC needs -traditional... " >&6; }
+if test ${ac_cv_prog_gcc_traditional+y}
+then :
+  printf %s "(cached) " >&6
+else $as_nop
+    ac_pattern="Autoconf.*'x'"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <sgtty.h>
+Autoconf TIOCGETP
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "$ac_pattern" >/dev/null 2>&1
+then :
+  ac_cv_prog_gcc_traditional=yes
+else $as_nop
+  ac_cv_prog_gcc_traditional=no
+fi
+rm -rf conftest*
+
+
+  if test $ac_cv_prog_gcc_traditional = no; then
+    cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+#include <termio.h>
+Autoconf TCGETA
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "$ac_pattern" >/dev/null 2>&1
+then :
+  ac_cv_prog_gcc_traditional=yes
+fi
+rm -rf conftest*
+
+  fi
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_gcc_traditional" >&5
+printf "%s\n" "$ac_cv_prog_gcc_traditional" >&6; }
+  if test $ac_cv_prog_gcc_traditional = yes; then
+    CC="$CC -traditional"
+  fi
+fi
 
 if test "$GCC" = yes ; then
    	CFLAGS="$CFLAGS -Wall"
@@ -15023,12 +14939,12 @@ printf %s "checking for working memcmp... " >&6; }
 if test ${ac_cv_func_memcmp_working+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test "$cross_compiling" = yes
+else $as_nop
+  if test "$cross_compiling" = yes
 then :
   ac_cv_func_memcmp_working=no
-else case e in #(
-  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $ac_includes_default
 int
@@ -15066,16 +14982,13 @@ _ACEOF
 if ac_fn_c_try_run "$LINENO"
 then :
   ac_cv_func_memcmp_working=yes
-else case e in #(
-  e) ac_cv_func_memcmp_working=no ;;
-esac
+else $as_nop
+  ac_cv_func_memcmp_working=no
 fi
 rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
-  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
-esac
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
- ;;
-esac
+
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_memcmp_working" >&5
 printf "%s\n" "$ac_cv_func_memcmp_working" >&6; }
@@ -15091,42 +15004,39 @@ if test "x$ac_cv_func_err" = xyes
 then :
   printf "%s\n" "#define HAVE_ERR 1" >>confdefs.h
 
-else case e in #(
-  e) case " $LIBOBJS " in
+else $as_nop
+  case " $LIBOBJS " in
   *" err.$ac_objext "* ) ;;
   *) LIBOBJS="$LIBOBJS err.$ac_objext"
  ;;
 esac
- ;;
-esac
+
 fi
 ac_fn_c_check_func "$LINENO" "strlcpy" "ac_cv_func_strlcpy"
 if test "x$ac_cv_func_strlcpy" = xyes
 then :
   printf "%s\n" "#define HAVE_STRLCPY 1" >>confdefs.h
 
-else case e in #(
-  e) case " $LIBOBJS " in
+else $as_nop
+  case " $LIBOBJS " in
   *" strlcpy.$ac_objext "* ) ;;
   *) LIBOBJS="$LIBOBJS strlcpy.$ac_objext"
  ;;
 esac
- ;;
-esac
+
 fi
 ac_fn_c_check_func "$LINENO" "strsep" "ac_cv_func_strsep"
 if test "x$ac_cv_func_strsep" = xyes
 then :
   printf "%s\n" "#define HAVE_STRSEP 1" >>confdefs.h
 
-else case e in #(
-  e) case " $LIBOBJS " in
+else $as_nop
+  case " $LIBOBJS " in
   *" strsep.$ac_objext "* ) ;;
   *) LIBOBJS="$LIBOBJS strsep.$ac_objext"
  ;;
 esac
- ;;
-esac
+
 fi
 
 
@@ -15136,13 +15046,12 @@ printf %s "checking for Berkeley Packet Filter... " >&6; }
     if test ${ac_cv_dnet_bsd_bpf+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test -c /dev/bpf -o -c /dev/bpf0 ; then
+else $as_nop
+  if test -c /dev/bpf -o -c /dev/bpf0 ; then
         ac_cv_dnet_bsd_bpf=yes
     else
         ac_cv_dnet_bsd_bpf=no
-    fi ;;
-esac
+    fi
 fi
 
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_dnet_bsd_bpf" >&5
@@ -15157,13 +15066,12 @@ printf %s "checking for Linux proc filesystem... " >&6; }
     if test ${ac_cv_dnet_linux_procfs+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if test "x`cat /proc/sys/kernel/ostype 2>&-`" = "xLinux" ; then
+else $as_nop
+  if test "x`cat /proc/sys/kernel/ostype 2>&-`" = "xLinux" ; then
         ac_cv_dnet_linux_procfs=yes
     else
         ac_cv_dnet_linux_procfs=no
-    fi ;;
-esac
+    fi
 fi
 
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_dnet_linux_procfs" >&5
@@ -15190,9 +15098,8 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   ac_cv_dnet_linux_pf_packet=yes
-else case e in #(
-  e) ac_cv_dnet_linux_pf_packet=no ;;
-esac
+else $as_nop
+  ac_cv_dnet_linux_pf_packet=no
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_dnet_linux_pf_packet" >&5
@@ -15207,14 +15114,13 @@ printf %s "checking for SNMP MIB2 STREAMS... " >&6; }
     if test ${ac_cv_dnet_streams_mib2+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e)
+else $as_nop
+
         if test -f /usr/include/inet/mib2.h -a '(' -c /dev/ip -o -c /dev/arp ')' ; then
         ac_cv_dnet_streams_mib2=yes
     else
         ac_cv_dnet_streams_mib2=no
-    fi ;;
-esac
+    fi
 fi
 
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_dnet_streams_mib2" >&5
@@ -15229,13 +15135,12 @@ printf %s "checking for route(7) STREAMS... " >&6; }
     if test ${ac_cv_dnet_streams_route+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) if grep RTSTR_SEND /usr/include/net/route.h >/dev/null 2>&1 ; then
+else $as_nop
+  if grep RTSTR_SEND /usr/include/net/route.h >/dev/null 2>&1 ; then
         ac_cv_dnet_streams_route=yes
     else
         ac_cv_dnet_streams_route=no
-    fi ;;
-esac
+    fi
 fi
 
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_dnet_streams_route" >&5
@@ -15250,8 +15155,8 @@ printf %s "checking for arp(7) ioctls... " >&6; }
     if test ${ac_cv_dnet_ioctl_arp+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <sys/types.h>
                            #define BSD_COMP
@@ -15267,12 +15172,10 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   ac_cv_dnet_ioctl_arp=yes
-else case e in #(
-  e) ac_cv_dnet_ioctl_arp=no ;;
-esac
+else $as_nop
+  ac_cv_dnet_ioctl_arp=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
-esac
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
     case "$host_os" in
@@ -15291,8 +15194,8 @@ printf %s "checking for raw IP sockets ip_{len,off} host byte ordering... " >&6;
     if test ${ac_cv_dnet_rawip_host_offlen+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e)
+else $as_nop
+
     case "$host_os" in
         *openbsd*)
             ac_cv_dnet_rawip_host_offlen=no ;;
@@ -15300,8 +15203,7 @@ else case e in #(
             ac_cv_dnet_rawip_host_offlen=yes ;;
         *)
             ac_cv_dnet_rawip_host_offlen=no ;;
-    esac ;;
-esac
+    esac
 fi
 
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_dnet_rawip_host_offlen" >&5
@@ -15316,15 +15218,14 @@ printf %s "checking for cooked raw IP sockets... " >&6; }
     if test ${ac_cv_dnet_rawip_cooked+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e)
+else $as_nop
+
     case "$host_os" in
         solaris*|irix*)
             ac_cv_dnet_rawip_cooked=yes ;;
         *)
             ac_cv_dnet_rawip_cooked=no ;;
-    esac ;;
-esac
+    esac
 fi
 
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_dnet_rawip_cooked" >&5
@@ -15339,8 +15240,8 @@ printf %s "checking for getkerninfo... " >&6; }
     if test ${ac_cv_dnet_getkerninfo+y}
 then :
   printf %s "(cached) " >&6
-else case e in #(
-  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else $as_nop
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 #       include <sys/kinfo.h>
@@ -15355,12 +15256,10 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   ac_cv_dnet_getkerninfo=yes
-else case e in #(
-  e) ac_cv_dnet_getkerninfo=no ;;
-esac
+else $as_nop
+  ac_cv_dnet_getkerninfo=no
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
-esac
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
 
     { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_dnet_getkerninfo" >&5
@@ -15459,6 +15358,7 @@ else
  ;;
 esac
 
+	as_fn_error $? "\"Ethernet support not found for this system.\"" "$LINENO" 5
 fi
 
 case " $LIBOBJS " in
@@ -15542,6 +15442,7 @@ else
  ;;
 esac
 
+	as_fn_error $? "\"Routing interface not found for this system.\"" "$LINENO" 5
 fi
 
 if test "$ac_cv_dnet_linux_procfs" = yes ; then
@@ -15623,8 +15524,8 @@ cat >confcache <<\_ACEOF
 # config.status only pays attention to the cache file if you give it
 # the --recheck option to rerun configure.
 #
-# 'ac_cv_env_foo' variables (set or unset) will be overridden when
-# loading this file, other *unset* 'ac_cv_foo' will be assigned the
+# `ac_cv_env_foo' variables (set or unset) will be overridden when
+# loading this file, other *unset* `ac_cv_foo' will be assigned the
 # following values.
 
 _ACEOF
@@ -15654,14 +15555,14 @@ printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;}
   (set) 2>&1 |
     case $as_nl`(ac_space=' '; set) 2>&1` in #(
     *${as_nl}ac_space=\ *)
-      # 'set' does not quote correctly, so add quotes: double-quote
+      # `set' does not quote correctly, so add quotes: double-quote
       # substitution turns \\\\ into \\, and sed turns \\ into \.
       sed -n \
 	"s/'/'\\\\''/g;
 	  s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\\2'/p"
       ;; #(
     *)
-      # 'set' quotes correctly as required by POSIX, so do not add quotes.
+      # `set' quotes correctly as required by POSIX, so do not add quotes.
       sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p"
       ;;
     esac |
@@ -15783,6 +15684,7 @@ cat >>$CONFIG_STATUS <<\_ASEOF || as_write_fail=1
 
 # Be more Bourne compatible
 DUALCASE=1; export DUALCASE # for MKS sh
+as_nop=:
 if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
 then :
   emulate sh
@@ -15791,13 +15693,12 @@ then :
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
-else case e in #(
-  e) case `(set -o) 2>/dev/null` in #(
+else $as_nop
+  case `(set -o) 2>/dev/null` in #(
   *posix*) :
     set -o posix ;; #(
   *) :
      ;;
-esac ;;
 esac
 fi
 
@@ -15869,7 +15770,7 @@ IFS=$as_save_IFS
 
      ;;
 esac
-# We did not find ourselves, most probably we were run as 'sh COMMAND'
+# We did not find ourselves, most probably we were run as `sh COMMAND'
 # in which case we are not to be found in the path.
 if test "x$as_myself" = x; then
   as_myself=$0
@@ -15898,6 +15799,7 @@ as_fn_error ()
 } # as_fn_error
 
 
+
 # as_fn_set_status STATUS
 # -----------------------
 # Set $? to STATUS, without forking.
@@ -15937,12 +15839,11 @@ then :
   {
     eval $1+=\$2
   }'
-else case e in #(
-  e) as_fn_append ()
+else $as_nop
+  as_fn_append ()
   {
     eval $1=\$$1\$2
-  } ;;
-esac
+  }
 fi # as_fn_append
 
 # as_fn_arith ARG...
@@ -15956,12 +15857,11 @@ then :
   {
     as_val=$(( $* ))
   }'
-else case e in #(
-  e) as_fn_arith ()
+else $as_nop
+  as_fn_arith ()
   {
     as_val=`expr "$@" || test $? -eq 1`
-  } ;;
-esac
+  }
 fi # as_fn_arith
 
 
@@ -16044,9 +15944,9 @@ if (echo >conf$$.file) 2>/dev/null; then
   if ln -s conf$$.file conf$$ 2>/dev/null; then
     as_ln_s='ln -s'
     # ... but there are two gotchas:
-    # 1) On MSYS, both 'ln -s file dir' and 'ln file dir' fail.
-    # 2) DJGPP < 2.04 has no symlinks; 'ln -s' creates a wrapper executable.
-    # In both cases, we have to default to 'cp -pR'.
+    # 1) On MSYS, both `ln -s file dir' and `ln file dir' fail.
+    # 2) DJGPP < 2.04 has no symlinks; `ln -s' creates a wrapper executable.
+    # In both cases, we have to default to `cp -pR'.
     ln -s conf$$.file conf$$.dir 2>/dev/null && test ! -f conf$$.exe ||
       as_ln_s='cp -pR'
   elif ln conf$$.file conf$$ 2>/dev/null; then
@@ -16127,12 +16027,10 @@ as_test_x='test -x'
 as_executable_p=as_fn_executable_p
 
 # Sed expression to map a string onto a valid CPP name.
-as_sed_cpp="y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g"
-as_tr_cpp="eval sed '$as_sed_cpp'" # deprecated
+as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
 
 # Sed expression to map a string onto a valid variable name.
-as_sed_sh="y%*+%pp%;s%[^_$as_cr_alnum]%_%g"
-as_tr_sh="eval sed '$as_sed_sh'" # deprecated
+as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
 
 
 exec 6>&1
@@ -16148,7 +16046,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 # values after options handling.
 ac_log="
 This file was extended by libdnet $as_me 1.18.0, which was
-generated by GNU Autoconf 2.72.  Invocation command line was
+generated by GNU Autoconf 2.71.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -16180,7 +16078,7 @@ _ACEOF
 
 cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
 ac_cs_usage="\
-'$as_me' instantiates files and other configuration actions
+\`$as_me' instantiates files and other configuration actions
 from templates according to the current configuration.  Unless the files
 and actions are specified as TAGs, all are instantiated by default.
 
@@ -16216,10 +16114,10 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 ac_cs_config='$ac_cs_config_escaped'
 ac_cs_version="\\
 libdnet config.status 1.18.0
-configured by $0, generated by GNU Autoconf 2.72,
+configured by $0, generated by GNU Autoconf 2.71,
   with options \\"\$ac_cs_config\\"
 
-Copyright (C) 2023 Free Software Foundation, Inc.
+Copyright (C) 2021 Free Software Foundation, Inc.
 This config.status script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it."
 
@@ -16281,8 +16179,8 @@ do
     ac_need_defaults=false;;
   --he | --h)
     # Conflict between --help and --header
-    as_fn_error $? "ambiguous option: '$1'
-Try '$0 --help' for more information.";;
+    as_fn_error $? "ambiguous option: \`$1'
+Try \`$0 --help' for more information.";;
   --help | --hel | -h )
     printf "%s\n" "$ac_cs_usage"; exit ;;
   -q | -quiet | --quiet | --quie | --qui | --qu | --q \
@@ -16290,8 +16188,8 @@ Try '$0 --help' for more information.";;
     ac_cs_silent=: ;;
 
   # This is an error.
-  -*) as_fn_error $? "unrecognized option: '$1'
-Try '$0 --help' for more information." ;;
+  -*) as_fn_error $? "unrecognized option: \`$1'
+Try \`$0 --help' for more information." ;;
 
   *) as_fn_append ac_config_targets " $1"
      ac_need_defaults=false ;;
@@ -16639,7 +16537,7 @@ do
     "src/Makefile") CONFIG_FILES="$CONFIG_FILES src/Makefile" ;;
     "default") CONFIG_COMMANDS="$CONFIG_COMMANDS default" ;;
 
-  *) as_fn_error $? "invalid argument: '$ac_config_target'" "$LINENO" 5;;
+  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
   esac
 done
 
@@ -16659,7 +16557,7 @@ fi
 # creating and moving files from /tmp can sometimes cause problems.
 # Hook for its removal unless debugging.
 # Note that there is a small window in which the directory will not be cleaned:
-# after its creation but before its name has been assigned to '$tmp'.
+# after its creation but before its name has been assigned to `$tmp'.
 $debug ||
 {
   tmp= ac_tmp=
@@ -16683,7 +16581,7 @@ ac_tmp=$tmp
 
 # Set up the scripts for CONFIG_FILES section.
 # No need to generate them if there are no CONFIG_FILES.
-# This happens for instance with './config.status config.h'.
+# This happens for instance with `./config.status config.h'.
 if test -n "$CONFIG_FILES"; then
 
 
@@ -16841,13 +16739,13 @@ fi # test -n "$CONFIG_FILES"
 
 # Set up the scripts for CONFIG_HEADERS section.
 # No need to generate them if there are no CONFIG_HEADERS.
-# This happens for instance with './config.status Makefile'.
+# This happens for instance with `./config.status Makefile'.
 if test -n "$CONFIG_HEADERS"; then
 cat >"$ac_tmp/defines.awk" <<\_ACAWK ||
 BEGIN {
 _ACEOF
 
-# Transform confdefs.h into an awk script 'defines.awk', embedded as
+# Transform confdefs.h into an awk script `defines.awk', embedded as
 # here-document in config.status, that substitutes the proper values into
 # config.h.in to produce config.h.
 
@@ -16957,7 +16855,7 @@ do
   esac
   case $ac_mode$ac_tag in
   :[FHL]*:*);;
-  :L* | :C*:*) as_fn_error $? "invalid tag '$ac_tag'" "$LINENO" 5;;
+  :L* | :C*:*) as_fn_error $? "invalid tag \`$ac_tag'" "$LINENO" 5;;
   :[FH]-) ac_tag=-:-;;
   :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
   esac
@@ -16979,19 +16877,19 @@ do
       -) ac_f="$ac_tmp/stdin";;
       *) # Look for the file first in the build tree, then in the source tree
 	 # (if the path is not absolute).  The absolute path cannot be DOS-style,
-	 # because $ac_f cannot contain ':'.
+	 # because $ac_f cannot contain `:'.
 	 test -f "$ac_f" ||
 	   case $ac_f in
 	   [\\/$]*) false;;
 	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
 	   esac ||
-	   as_fn_error 1 "cannot find input file: '$ac_f'" "$LINENO" 5;;
+	   as_fn_error 1 "cannot find input file: \`$ac_f'" "$LINENO" 5;;
       esac
       case $ac_f in *\'*) ac_f=`printf "%s\n" "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
       as_fn_append ac_file_inputs " '$ac_f'"
     done
 
-    # Let's still pretend it is 'configure' which instantiates (i.e., don't
+    # Let's still pretend it is `configure' which instantiates (i.e., don't
     # use $as_me), people would be surprised to read:
     #    /* config.h.  Generated by config.status.  */
     configure_input='Generated from '`
@@ -17124,7 +17022,7 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
 esac
 _ACEOF
 
-# Neutralize VPATH when '$srcdir' = '.'.
+# Neutralize VPATH when `$srcdir' = `.'.
 # Shell code in configure.ac might set extrasub.
 # FIXME: do we really want to maintain this feature?
 cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
@@ -17155,9 +17053,9 @@ test -z "$ac_datarootdir_hack$ac_datarootdir_seen" &&
   { ac_out=`sed -n '/\${datarootdir}/p' "$ac_tmp/out"`; test -n "$ac_out"; } &&
   { ac_out=`sed -n '/^[	 ]*datarootdir[	 ]*:*=/p' \
       "$ac_tmp/out"`; test -z "$ac_out"; } &&
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable 'datarootdir'
+  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: $ac_file contains a reference to the variable \`datarootdir'
 which seems to be undefined.  Please make sure it is defined" >&5
-printf "%s\n" "$as_me: WARNING: $ac_file contains a reference to the variable 'datarootdir'
+printf "%s\n" "$as_me: WARNING: $ac_file contains a reference to the variable \`datarootdir'
 which seems to be undefined.  Please make sure it is defined" >&2;}
 
   rm -f "$ac_tmp/stdin"
@@ -17312,15 +17210,15 @@ printf "%s\n" X/"$am_mf" |
    (exit $ac_status); } || am_rc=$?
   done
   if test $am_rc -ne 0; then
-    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
+    { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
 as_fn_error $? "Something went wrong bootstrapping makefile fragments
     for automatic dependency tracking.  If GNU make was not used, consider
     re-running the configure script with MAKE=\"gmake\" (or whatever is
     necessary).  You can also try re-running configure with the
     '--disable-dependency-tracking' option to at least be able to build
     the package (albeit without support for automatic dependency tracking).
-See 'config.log' for more details" "$LINENO" 5; }
+See \`config.log' for more details" "$LINENO" 5; }
   fi
   { am_dirpart=; unset am_dirpart;}
   { am_filepart=; unset am_filepart;}
diff --git a/libdnet-stripped/configure.ac b/libdnet-stripped/configure.ac
index 4597c7d21..bbcacd01e 100644
--- a/libdnet-stripped/configure.ac
+++ b/libdnet-stripped/configure.ac
@@ -201,6 +201,7 @@ elif test "$ac_cv_header_sys_dlpi_h" = yes || \
 	AC_LIBOBJ([eth-dlpi])
 else
 	AC_LIBOBJ([eth-none])
+	AC_MSG_ERROR("Ethernet support not found for this system.")
 fi
 
 AC_LIBOBJ([fw-none])
@@ -232,6 +233,7 @@ elif test "$ac_cv_header_hpsecurity_h" = yes ; then
 	AC_LIBOBJ([route-hpux])
 else
 	AC_LIBOBJ([route-none])
+	AC_MSG_ERROR("Routing interface not found for this system.")
 fi
 
 dnl Check for ndisc interface.