--- nono/configure	2026/04/29 17:05:22	1.1.1.14
+++ nono/configure	2026/04/29 17:05:39	1.1.1.17
@@ -1,9 +1,9 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.71 for nono 0.0.
+# Generated by GNU Autoconf 2.72 for nono 0.0.
 #
 #
-# Copyright (C) 1992-1996, 1998-2017, 2020-2021 Free Software Foundation,
+# Copyright (C) 1992-1996, 1998-2017, 2020-2023 Free Software Foundation,
 # Inc.
 #
 #
@@ -15,7 +15,6 @@
 
 # Be more Bourne compatible
 DUALCASE=1; export DUALCASE # for MKS sh
-as_nop=:
 if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
 then :
   emulate sh
@@ -24,12 +23,13 @@ then :
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
-else $as_nop
-  case `(set -o) 2>/dev/null` in #(
+else case e in #(
+  e) 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
@@ -131,15 +131,14 @@ 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="as_nop=:
-if test \${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
+  as_bourne_compatible="if test \${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
 then :
   emulate sh
   NULLCMD=:
@@ -147,12 +146,13 @@ then :
   # is contrary to our usage.  Disable this feature.
   alias -g '\${1+\"\$@\"}'='\"\$@\"'
   setopt NO_GLOB_SUBST
-else \$as_nop
-  case \`(set -o) 2>/dev/null\` in #(
+else case e in #(
+  e) case \`(set -o) 2>/dev/null\` in #(
   *posix*) :
     set -o posix ;; #(
   *) :
      ;;
+esac ;;
 esac
 fi
 "
@@ -170,8 +170,9 @@ as_fn_ret_failure && { exitcode=1; echo
 if ( set x; as_fn_ret_success y && test x = \"\$1\" )
 then :
 
-else \$as_nop
-  exitcode=1; echo positional parameters were not saved.
+else case e in #(
+  e) exitcode=1; echo positional parameters were not saved. ;;
+esac
 fi
 test x\$exitcode = x0 || exit 1
 blah=\$(echo \$(echo blah))
@@ -184,14 +185,15 @@ test -x / || exit 1"
   if (eval "$as_required") 2>/dev/null
 then :
   as_have_required=yes
-else $as_nop
-  as_have_required=no
+else case e in #(
+  e) as_have_required=no ;;
+esac
 fi
   if test x$as_have_required = xyes && (eval "$as_suggested") 2>/dev/null
 then :
 
-else $as_nop
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+else case e in #(
+  e) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 as_found=false
 for as_dir in /bin$PATH_SEPARATOR/usr/bin$PATH_SEPARATOR$PATH
 do
@@ -224,12 +226,13 @@ IFS=$as_save_IFS
 if $as_found
 then :
 
-else $as_nop
-  if { test -f "$SHELL" || test -f "$SHELL.exe"; } &&
+else case e in #(
+  e) if { test -f "$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
+fi ;;
+esac
 fi
 
 
@@ -251,7 +254,7 @@ 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
@@ -270,7 +273,8 @@ $0: message. Then install a modern shell
 $0: the script under such a shell if you do have one."
   fi
   exit 1
-fi
+fi ;;
+esac
 fi
 fi
 SHELL=${CONFIG_SHELL-/bin/sh}
@@ -309,14 +313,6 @@ 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
 # -------------
@@ -385,11 +381,12 @@ then :
   {
     eval $1+=\$2
   }'
-else $as_nop
-  as_fn_append ()
+else case e in #(
+  e) as_fn_append ()
   {
     eval $1=\$$1\$2
-  }
+  } ;;
+esac
 fi # as_fn_append
 
 # as_fn_arith ARG...
@@ -403,21 +400,14 @@ then :
   {
     as_val=$(( $* ))
   }'
-else $as_nop
-  as_fn_arith ()
+else case e in #(
+  e) as_fn_arith ()
   {
     as_val=`expr "$@" || 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]
 # ----------------------------------------
@@ -491,6 +481,8 @@ as_cr_alnum=$as_cr_Letters$as_cr_digits
     /[$]LINENO/=
   ' <$as_myself |
     sed '
+      t clear
+      :clear
       s/[$]LINENO.*/&-/
       t lineno
       b
@@ -539,7 +531,6 @@ 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 +542,9 @@ 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
@@ -578,10 +569,12 @@ as_test_x='test -x'
 as_executable_p=as_fn_executable_p
 
 # Sed expression to map a string onto a valid CPP name.
-as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
+as_sed_cpp="y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g"
+as_tr_cpp="eval sed '$as_sed_cpp'" # deprecated
 
 # Sed expression to map a string onto a valid variable name.
-as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
+as_sed_sh="y%*+%pp%;s%[^_$as_cr_alnum]%_%g"
+as_tr_sh="eval sed '$as_sed_sh'" # deprecated
 
 
 test -n "$DJDIR" || exec 7<&0 </dev/null
@@ -647,18 +640,20 @@ ac_includes_default="\
 ac_header_cxx_list=
 ac_subst_vars='LTLIBOBJS
 LIBOBJS
-ICONV_LIBS
-ICONV_CPPFLAGS
-NONO_LIBS
-NONO_CPPFLAGS
+LIBS_ICONV
+CPPFLAGS_ICONV
 MSGFMT
-WXWIDGETS_LIBS
-WXWIDGETS_CPPFLAGS
+LIBS_WXWIDGETS
+CPPFLAGS_WXWIDGETS
 WITH_GUI
 WX_MAJORMINOR
+LIBS_SLIRP
+CPPFLAGS_SLIRP
+HOSTNET_SLIRP
 HOSTNET_BPF
 HOSTNET_TAP
 HOSTNET_AFPACKET
+HOST_HAS_NEON
 HOST_HAS_AVX2
 WARNFLAGS_CXX
 WARNFLAGS_C
@@ -727,6 +722,8 @@ ac_subst_files=''
 ac_user_opts='
 enable_option_checking
 enable_avx2
+enable_neon
+with_libslirp
 with_gui
 '
       ac_precious_vars='build_alias
@@ -848,7 +845,7 @@ do
     ac_useropt=`expr "x$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 $ac_user_opts in
@@ -874,7 +871,7 @@ do
     ac_useropt=`expr "x$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 $ac_user_opts in
@@ -1087,7 +1084,7 @@ do
     ac_useropt=`expr "x$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 $ac_user_opts in
@@ -1103,7 +1100,7 @@ do
     ac_useropt=`expr "x$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 $ac_user_opts in
@@ -1133,8 +1130,8 @@ do
   | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
     x_libraries=$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"
     ;;
 
   *=*)
@@ -1142,7 +1139,7 @@ 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 ;;
@@ -1192,7 +1189,7 @@ 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=$build_alias
@@ -1260,7 +1257,7 @@ if test ! -r "$srcdir/$ac_unique_file";
   test "$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)`
@@ -1288,7 +1285,7 @@ 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 nono 0.0 to adapt to many kinds of systems.
+'configure' configures nono 0.0 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1302,11 +1299,11 @@ 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
@@ -1314,10 +1311,10 @@ 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.
 
@@ -1363,10 +1360,12 @@ Optional Features:
   --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
   --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
   --disable-avx2          disable avx2 support
+  --disable-neon          disable NEON support
 
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
   --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
+  --without-libslirp      disable usermode network (using SLIRP)
   --without-gui           disable GUI support
 
 Some influential environment variables:
@@ -1380,7 +1379,7 @@ Some influential environment variables:
   CC          C compiler command
   CFLAGS      C compiler flags
 
-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.
@@ -1448,9 +1447,9 @@ test -n "$ac_init_help" && exit $ac_stat
 if $ac_init_version; then
   cat <<\_ACEOF
 nono configure 0.0
-generated by GNU Autoconf 2.71
+generated by GNU Autoconf 2.72
 
-Copyright (C) 2021 Free Software Foundation, Inc.
+Copyright (C) 2023 Free Software Foundation, Inc.
 This configure script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it.
 _ACEOF
@@ -1489,11 +1488,12 @@ printf "%s\n" "$ac_try_echo"; } >&5
        } && test -s conftest.$ac_objext
 then :
   ac_retval=0
-else $as_nop
-  printf "%s\n" "$as_me: failed program was:" >&5
+else case e in #(
+  e) printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_retval=1
+	ac_retval=1 ;;
+esac
 fi
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
@@ -1528,11 +1528,12 @@ printf "%s\n" "$ac_try_echo"; } >&5
        } && test -s conftest.$ac_objext
 then :
   ac_retval=0
-else $as_nop
-  printf "%s\n" "$as_me: failed program was:" >&5
+else case e in #(
+  e) printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_retval=1
+	ac_retval=1 ;;
+esac
 fi
   eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
   as_fn_set_status $ac_retval
@@ -1551,8 +1552,8 @@ printf %s "checking for $2... " >&6; }
 if eval test \${$3+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $4
 #include <$2>
@@ -1560,10 +1561,12 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
   eval "$3=yes"
-else $as_nop
-  eval "$3=no"
+else case e in #(
+  e) eval "$3=no" ;;
+esac
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 eval ac_res=\$$3
 	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
@@ -1584,8 +1587,8 @@ printf %s "checking for $2... " >&6; }
 if eval test \${$3+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  eval "$3=no"
+else case e in #(
+  e) eval "$3=no"
   cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $4
@@ -1615,12 +1618,14 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
 
-else $as_nop
-  eval "$3=yes"
+else case e in #(
+  e) eval "$3=yes" ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 eval ac_res=\$$3
 	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
@@ -1641,8 +1646,8 @@ printf %s "checking for $2.$3... " >&6;
 if eval test \${$4+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $5
 int
@@ -1658,8 +1663,8 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
   eval "$4=yes"
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 $5
 int
@@ -1675,12 +1680,15 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
   eval "$4=yes"
-else $as_nop
-  eval "$4=no"
+else case e in #(
+  e) eval "$4=no" ;;
+esac
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 eval ac_res=\$$4
 	       { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
@@ -1720,11 +1728,12 @@ printf "%s\n" "$ac_try_echo"; } >&5
        }
 then :
   ac_retval=0
-else $as_nop
-  printf "%s\n" "$as_me: failed program was:" >&5
+else case e in #(
+  e) printf "%s\n" "$as_me: failed program was:" >&5
 sed 's/^/| /' conftest.$ac_ext >&5
 
-	ac_retval=1
+	ac_retval=1 ;;
+esac
 fi
   # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
   # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
@@ -1735,6 +1744,50 @@ fi
   as_fn_set_status $ac_retval
 
 } # ac_fn_cxx_try_link
+
+# ac_fn_cxx_try_run LINENO
+# ------------------------
+# Try to run conftest.$ac_ext, and return whether this succeeded. Assumes that
+# executables *can* be run.
+ac_fn_cxx_try_run ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  if { { ac_try="$ac_link"
+case "(($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 "$ac_link") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && { ac_try='./conftest$ac_exeext'
+  { { 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 "$ac_try") 2>&5
+  ac_status=$?
+  printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }
+then :
+  ac_retval=0
+else case e in #(
+  e) printf "%s\n" "$as_me: program exited with status $ac_status" >&5
+       printf "%s\n" "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+       ac_retval=$ac_status ;;
+esac
+fi
+  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+  eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
+  as_fn_set_status $ac_retval
+
+} # ac_fn_cxx_try_run
 ac_configure_args_raw=
 for ac_arg
 do
@@ -1760,7 +1813,7 @@ This file contains any messages produced
 running configure, to aid debugging if configure makes a mistake.
 
 It was created by nono $as_me 0.0, which was
-generated by GNU Autoconf 2.71.  Invocation command line was
+generated by GNU Autoconf 2.72.  Invocation command line was
 
   $ $0$ac_configure_args_raw
 
@@ -2006,10 +2059,10 @@ 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
 
@@ -2261,9 +2314,7 @@ 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 (p, i)
-     char **p;
-     int i;
+static char *e (char **p, int i)
 {
   return p[i];
 }
@@ -2277,6 +2328,21 @@ static char *f (char * (*g) (char **, in
   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
@@ -2304,16 +2370,19 @@ ok |= (argc == 0 || f (e, argv, 0) != ar
 
 # 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
@@ -2363,7 +2432,6 @@ 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)
@@ -2429,6 +2497,8 @@ 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 = {
@@ -2450,7 +2520,7 @@ 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
@@ -2642,8 +2712,9 @@ IFS=$as_save_IFS
 if $as_found
 then :
 
-else $as_nop
-  as_fn_error $? "cannot find required auxiliary files:$ac_missing_aux_files" "$LINENO" 5
+else case e in #(
+  e) as_fn_error $? "cannot find required auxiliary files:$ac_missing_aux_files" "$LINENO" 5 ;;
+esac
 fi
 
 
@@ -2671,12 +2742,12 @@ 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=: ;;
     ,);;
     *)
@@ -2685,18 +2756,18 @@ printf "%s\n" "$as_me: error: \`$ac_var'
 	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: '$ac_new_val'" >&2;}
       fi;;
   esac
   # Pass precious variables to config.status.
@@ -2712,11 +2783,11 @@ printf "%s\n" "$as_me:   current value:
   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
 ## -------------------- ##
@@ -2759,8 +2830,8 @@ printf %s "checking for $ac_word... " >&
 if test ${ac_cv_prog_CXX+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$CXX"; then
+else case e in #(
+  e) if test -n "$CXX"; then
   ac_cv_prog_CXX="$CXX" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -2782,7 +2853,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 CXX=$ac_cv_prog_CXX
 if test -n "$CXX"; then
@@ -2808,8 +2880,8 @@ printf %s "checking for $ac_word... " >&
 if test ${ac_cv_prog_ac_ct_CXX+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_CXX"; then
+else case e in #(
+  e) if test -n "$ac_ct_CXX"; then
   ac_cv_prog_ac_ct_CXX="$ac_ct_CXX" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -2831,7 +2903,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_CXX=$ac_cv_prog_ac_ct_CXX
 if test -n "$ac_ct_CXX"; then
@@ -2931,8 +3004,8 @@ printf "%s\n" "$ac_try_echo"; } >&5
   printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }
 then :
-  # Autoconf-2.13 could set the ac_cv_exeext variable to `no'.
-# So ignore a value of `no', otherwise this would lead to `EXEEXT = no'
+  # Autoconf-2.13 could set the ac_cv_exeext variable to 'no'.
+# So ignore a value of 'no', otherwise this would lead to 'EXEEXT = no'
 # in a Makefile.  We should not override ac_cv_exeext if it was cached,
 # so that the user can short-circuit this test for compilers unknown to
 # Autoconf.
@@ -2952,7 +3025,7 @@ do
 	   ac_cv_exeext=`expr "$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.
@@ -2963,8 +3036,9 @@ do
 done
 test "$ac_cv_exeext" = no && ac_cv_exeext=
 
-else $as_nop
-  ac_file=''
+else case e in #(
+  e) ac_file='' ;;
+esac
 fi
 if test -z "$ac_file"
 then :
@@ -2973,13 +3047,14 @@ 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 $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-printf "%s\n" "yes" >&6; }
+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
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C++ compiler default output file name" >&5
 printf %s "checking for C++ compiler default output file name... " >&6; }
@@ -3003,10 +3078,10 @@ printf "%s\n" "$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
@@ -3016,11 +3091,12 @@ for ac_file in conftest.exe conftest con
     * ) break;;
   esac
 done
-else $as_nop
-  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
-printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;}
+else case e in #(
+  e) { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
 as_fn_error $? "cannot compute suffix of executables: cannot compile and link
-See \`config.log' for more details" "$LINENO" 5; }
+See 'config.log' for more details" "$LINENO" 5; } ;;
+esac
 fi
 rm -f conftest conftest$ac_cv_exeext
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_exeext" >&5
@@ -3036,6 +3112,8 @@ int
 main (void)
 {
 FILE *f = fopen ("conftest.out", "w");
+ if (!f)
+  return 1;
  return ferror (f) || fclose (f) != 0;
 
   ;
@@ -3075,26 +3153,27 @@ 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.out
+rm -f conftest.$ac_ext conftest$ac_cv_exeext \
+  conftest.o conftest.obj 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 $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -3126,16 +3205,18 @@ then :
        break;;
   esac
 done
-else $as_nop
-  printf "%s\n" "$as_me: failed program was:" >&5
+else case e in #(
+  e) 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; }
+See 'config.log' for more details" "$LINENO" 5; } ;;
+esac
 fi
-rm -f conftest.$ac_cv_objext conftest.$ac_ext
+rm -f conftest.$ac_cv_objext conftest.$ac_ext ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_objext" >&5
 printf "%s\n" "$ac_cv_objext" >&6; }
@@ -3146,8 +3227,8 @@ printf %s "checking whether the compiler
 if test ${ac_cv_cxx_compiler_gnu+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -3164,12 +3245,14 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
   ac_compiler_gnu=yes
-else $as_nop
-  ac_compiler_gnu=no
+else case e in #(
+  e) ac_compiler_gnu=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 ac_cv_cxx_compiler_gnu=$ac_compiler_gnu
-
+ ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cxx_compiler_gnu" >&5
 printf "%s\n" "$ac_cv_cxx_compiler_gnu" >&6; }
@@ -3187,8 +3270,8 @@ printf %s "checking whether $CXX accepts
 if test ${ac_cv_prog_cxx_g+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_save_cxx_werror_flag=$ac_cxx_werror_flag
+else case e in #(
+  e) ac_save_cxx_werror_flag=$ac_cxx_werror_flag
    ac_cxx_werror_flag=yes
    ac_cv_prog_cxx_g=no
    CXXFLAGS="-g"
@@ -3206,8 +3289,8 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
   ac_cv_prog_cxx_g=yes
-else $as_nop
-  CXXFLAGS=""
+else case e in #(
+  e) CXXFLAGS=""
       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -3222,8 +3305,8 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
 
-else $as_nop
-  ac_cxx_werror_flag=$ac_save_cxx_werror_flag
+else case e in #(
+  e) ac_cxx_werror_flag=$ac_save_cxx_werror_flag
 	 CXXFLAGS="-g"
 	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -3240,12 +3323,15 @@ if ac_fn_cxx_try_compile "$LINENO"
 then :
   ac_cv_prog_cxx_g=yes
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-   ac_cxx_werror_flag=$ac_save_cxx_werror_flag
+   ac_cxx_werror_flag=$ac_save_cxx_werror_flag ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_g" >&5
 printf "%s\n" "$ac_cv_prog_cxx_g" >&6; }
@@ -3269,11 +3355,11 @@ if test x$ac_prog_cxx_stdcxx = xno
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CXX option to enable C++11 features" >&5
 printf %s "checking for $CXX option to enable C++11 features... " >&6; }
-if test ${ac_cv_prog_cxx_11+y}
+if test ${ac_cv_prog_cxx_cxx11+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_cv_prog_cxx_11=no
+else case e in #(
+  e) ac_cv_prog_cxx_cxx11=no
 ac_save_CXX=$CXX
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -3290,36 +3376,39 @@ rm -f core conftest.err conftest.$ac_obj
   test "x$ac_cv_prog_cxx_cxx11" != "xno" && break
 done
 rm -f conftest.$ac_ext
-CXX=$ac_save_CXX
+CXX=$ac_save_CXX ;;
+esac
 fi
 
 if test "x$ac_cv_prog_cxx_cxx11" = xno
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
 printf "%s\n" "unsupported" >&6; }
-else $as_nop
-  if test "x$ac_cv_prog_cxx_cxx11" = x
+else case e in #(
+  e) if test "x$ac_cv_prog_cxx_cxx11" = x
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
 printf "%s\n" "none needed" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_cxx11" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_cxx11" >&5
 printf "%s\n" "$ac_cv_prog_cxx_cxx11" >&6; }
-     CXX="$CXX $ac_cv_prog_cxx_cxx11"
+     CXX="$CXX $ac_cv_prog_cxx_cxx11" ;;
+esac
 fi
   ac_cv_prog_cxx_stdcxx=$ac_cv_prog_cxx_cxx11
-  ac_prog_cxx_stdcxx=cxx11
+  ac_prog_cxx_stdcxx=cxx11 ;;
+esac
 fi
 fi
 if test x$ac_prog_cxx_stdcxx = xno
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CXX option to enable C++98 features" >&5
 printf %s "checking for $CXX option to enable C++98 features... " >&6; }
-if test ${ac_cv_prog_cxx_98+y}
+if test ${ac_cv_prog_cxx_cxx98+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_cv_prog_cxx_98=no
+else case e in #(
+  e) ac_cv_prog_cxx_cxx98=no
 ac_save_CXX=$CXX
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -3336,25 +3425,28 @@ rm -f core conftest.err conftest.$ac_obj
   test "x$ac_cv_prog_cxx_cxx98" != "xno" && break
 done
 rm -f conftest.$ac_ext
-CXX=$ac_save_CXX
+CXX=$ac_save_CXX ;;
+esac
 fi
 
 if test "x$ac_cv_prog_cxx_cxx98" = xno
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: unsupported" >&5
 printf "%s\n" "unsupported" >&6; }
-else $as_nop
-  if test "x$ac_cv_prog_cxx_cxx98" = x
+else case e in #(
+  e) if test "x$ac_cv_prog_cxx_cxx98" = x
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: none needed" >&5
 printf "%s\n" "none needed" >&6; }
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_cxx98" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cxx_cxx98" >&5
 printf "%s\n" "$ac_cv_prog_cxx_cxx98" >&6; }
-     CXX="$CXX $ac_cv_prog_cxx_cxx98"
+     CXX="$CXX $ac_cv_prog_cxx_cxx98" ;;
+esac
 fi
   ac_cv_prog_cxx_stdcxx=$ac_cv_prog_cxx_cxx98
-  ac_prog_cxx_stdcxx=cxx98
+  ac_prog_cxx_stdcxx=cxx98 ;;
+esac
 fi
 fi
 
@@ -3386,8 +3478,8 @@ printf %s "checking for $ac_word... " >&
 if test ${ac_cv_prog_CC+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$CC"; then
+else case e in #(
+  e) if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -3409,7 +3501,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
@@ -3431,8 +3524,8 @@ printf %s "checking for $ac_word... " >&
 if test ${ac_cv_prog_ac_ct_CC+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_CC"; then
+else case e in #(
+  e) 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
@@ -3454,7 +3547,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
@@ -3489,8 +3583,8 @@ printf %s "checking for $ac_word... " >&
 if test ${ac_cv_prog_CC+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$CC"; then
+else case e in #(
+  e) if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -3512,7 +3606,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
@@ -3534,8 +3629,8 @@ printf %s "checking for $ac_word... " >&
 if test ${ac_cv_prog_CC+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$CC"; then
+else case e in #(
+  e) if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
   ac_prog_rejected=no
@@ -3574,7 +3669,8 @@ if test $ac_prog_rejected = yes; then
     ac_cv_prog_CC="$as_dir$ac_word${1+' '}$@"
   fi
 fi
-fi
+fi ;;
+esac
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
@@ -3598,8 +3694,8 @@ printf %s "checking for $ac_word... " >&
 if test ${ac_cv_prog_CC+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$CC"; then
+else case e in #(
+  e) if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -3621,7 +3717,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
@@ -3647,8 +3744,8 @@ printf %s "checking for $ac_word... " >&
 if test ${ac_cv_prog_ac_ct_CC+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_CC"; then
+else case e in #(
+  e) 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
@@ -3670,7 +3767,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
@@ -3708,8 +3806,8 @@ printf %s "checking for $ac_word... " >&
 if test ${ac_cv_prog_CC+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$CC"; then
+else case e in #(
+  e) if test -n "$CC"; then
   ac_cv_prog_CC="$CC" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -3731,7 +3829,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 CC=$ac_cv_prog_CC
 if test -n "$CC"; then
@@ -3753,8 +3852,8 @@ printf %s "checking for $ac_word... " >&
 if test ${ac_cv_prog_ac_ct_CC+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_CC"; then
+else case e in #(
+  e) 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
@@ -3776,7 +3875,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_CC=$ac_cv_prog_ac_ct_CC
 if test -n "$ac_ct_CC"; then
@@ -3805,10 +3905,10 @@ 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
@@ -3840,8 +3940,8 @@ printf %s "checking whether the compiler
 if test ${ac_cv_c_compiler_gnu+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
 int
@@ -3858,12 +3958,14 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   ac_compiler_gnu=yes
-else $as_nop
-  ac_compiler_gnu=no
+else case e in #(
+  e) ac_compiler_gnu=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$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; }
@@ -3881,8 +3983,8 @@ printf %s "checking whether $CC accepts
 if test ${ac_cv_prog_cc_g+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_save_c_werror_flag=$ac_c_werror_flag
+else case e in #(
+  e) ac_save_c_werror_flag=$ac_c_werror_flag
    ac_c_werror_flag=yes
    ac_cv_prog_cc_g=no
    CFLAGS="-g"
@@ -3900,8 +4002,8 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
   ac_cv_prog_cc_g=yes
-else $as_nop
-  CFLAGS=""
+else case e in #(
+  e) CFLAGS=""
       cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -3916,8 +4018,8 @@ _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
 
-else $as_nop
-  ac_c_werror_flag=$ac_save_c_werror_flag
+else case e in #(
+  e) ac_c_werror_flag=$ac_save_c_werror_flag
 	 CFLAGS="-g"
 	 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -3934,12 +4036,15 @@ 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.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
-   ac_c_werror_flag=$ac_save_c_werror_flag
+   ac_c_werror_flag=$ac_save_c_werror_flag ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_g" >&5
 printf "%s\n" "$ac_cv_prog_cc_g" >&6; }
@@ -3966,8 +4071,8 @@ printf %s "checking for $CC option to en
 if test ${ac_cv_prog_cc_c11+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_cv_prog_cc_c11=no
+else case e in #(
+  e) ac_cv_prog_cc_c11=no
 ac_save_CC=$CC
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -3984,25 +4089,28 @@ rm -f core conftest.err conftest.$ac_obj
   test "x$ac_cv_prog_cc_c11" != "xno" && break
 done
 rm -f conftest.$ac_ext
-CC=$ac_save_CC
+CC=$ac_save_CC ;;
+esac
 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 $as_nop
-  if test "x$ac_cv_prog_cc_c11" = x
+else case e in #(
+  e) 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 $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c11" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c11" >&5
 printf "%s\n" "$ac_cv_prog_cc_c11" >&6; }
-     CC="$CC $ac_cv_prog_cc_c11"
+     CC="$CC $ac_cv_prog_cc_c11" ;;
+esac
 fi
   ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c11
-  ac_prog_cc_stdc=c11
+  ac_prog_cc_stdc=c11 ;;
+esac
 fi
 fi
 if test x$ac_prog_cc_stdc = xno
@@ -4012,8 +4120,8 @@ printf %s "checking for $CC option to en
 if test ${ac_cv_prog_cc_c99+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_cv_prog_cc_c99=no
+else case e in #(
+  e) ac_cv_prog_cc_c99=no
 ac_save_CC=$CC
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -4030,25 +4138,28 @@ rm -f core conftest.err conftest.$ac_obj
   test "x$ac_cv_prog_cc_c99" != "xno" && break
 done
 rm -f conftest.$ac_ext
-CC=$ac_save_CC
+CC=$ac_save_CC ;;
+esac
 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 $as_nop
-  if test "x$ac_cv_prog_cc_c99" = x
+else case e in #(
+  e) 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 $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c99" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c99" >&5
 printf "%s\n" "$ac_cv_prog_cc_c99" >&6; }
-     CC="$CC $ac_cv_prog_cc_c99"
+     CC="$CC $ac_cv_prog_cc_c99" ;;
+esac
 fi
   ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c99
-  ac_prog_cc_stdc=c99
+  ac_prog_cc_stdc=c99 ;;
+esac
 fi
 fi
 if test x$ac_prog_cc_stdc = xno
@@ -4058,8 +4169,8 @@ printf %s "checking for $CC option to en
 if test ${ac_cv_prog_cc_c89+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_cv_prog_cc_c89=no
+else case e in #(
+  e) ac_cv_prog_cc_c89=no
 ac_save_CC=$CC
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -4076,25 +4187,28 @@ rm -f core conftest.err conftest.$ac_obj
   test "x$ac_cv_prog_cc_c89" != "xno" && break
 done
 rm -f conftest.$ac_ext
-CC=$ac_save_CC
+CC=$ac_save_CC ;;
+esac
 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 $as_nop
-  if test "x$ac_cv_prog_cc_c89" = x
+else case e in #(
+  e) 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 $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
+else case e in #(
+  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_prog_cc_c89" >&5
 printf "%s\n" "$ac_cv_prog_cc_c89" >&6; }
-     CC="$CC $ac_cv_prog_cc_c89"
+     CC="$CC $ac_cv_prog_cc_c89" ;;
+esac
 fi
   ac_cv_prog_cc_stdc=$ac_cv_prog_cc_c89
-  ac_prog_cc_stdc=c89
+  ac_prog_cc_stdc=c89 ;;
+esac
 fi
 fi
 
@@ -4126,8 +4240,8 @@ if test -z "$INSTALL"; then
 if test ${ac_cv_path_install+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+else case e in #(
+  e) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
 for as_dir in $PATH
 do
   IFS=$as_save_IFS
@@ -4181,7 +4295,8 @@ 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
@@ -4217,15 +4332,16 @@ printf %s "checking build system type...
 if test ${ac_cv_build+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_build_alias=$build_alias
+else case e in #(
+  e) 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; }
@@ -4252,14 +4368,15 @@ printf %s "checking host system type...
 if test ${ac_cv_host+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test "x$host_alias" = x; then
+else case e in #(
+  e) 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; }
@@ -4330,8 +4447,9 @@ if ac_fn_cxx_try_compile "$LINENO"
 then :
   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
-else $as_nop
-  as_fn_error $? "\"*** C++ compiler '${CXX}' doesn't support ${CXX_STD}.\"" "$LINENO" 5
+else case e in #(
+  e) as_fn_error $? "\"*** C++ compiler '${CXX}' doesn't support ${CXX_STD}.\"" "$LINENO" 5 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 CXXFLAGS="${old_CXXFLAGS}"
@@ -4360,6 +4478,7 @@ printf %s "checking whether cc accepts -
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4367,16 +4486,22 @@ main (void)
   ;
   return 0;
 }
+
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		eval `echo cc_has-Wcast-qual=yes | sed -e 's/-/_/g'`
 		WARNFLAGS_C="${WARNFLAGS_C} -Wcast-qual"
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 	CFLAGS="${old_CFLAGS}"
@@ -4389,6 +4514,7 @@ printf %s "checking whether cc accepts -
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4396,16 +4522,22 @@ main (void)
   ;
   return 0;
 }
+
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		eval `echo cc_has-Wextra-semi=yes | sed -e 's/-/_/g'`
 		WARNFLAGS_C="${WARNFLAGS_C} -Wextra-semi"
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 	CFLAGS="${old_CFLAGS}"
@@ -4418,6 +4550,7 @@ printf %s "checking whether cc accepts -
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4425,16 +4558,22 @@ main (void)
   ;
   return 0;
 }
+
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		eval `echo cc_has-Wlogical-op=yes | sed -e 's/-/_/g'`
 		WARNFLAGS_C="${WARNFLAGS_C} -Wlogical-op"
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 	CFLAGS="${old_CFLAGS}"
@@ -4447,6 +4586,7 @@ printf %s "checking whether cc accepts -
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4454,16 +4594,22 @@ main (void)
   ;
   return 0;
 }
+
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		eval `echo cc_has-Wmissing-prototypes=yes | sed -e 's/-/_/g'`
 		WARNFLAGS_C="${WARNFLAGS_C} -Wmissing-prototypes"
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 	CFLAGS="${old_CFLAGS}"
@@ -4476,6 +4622,7 @@ printf %s "checking whether cc accepts -
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4483,16 +4630,22 @@ main (void)
   ;
   return 0;
 }
+
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		eval `echo cc_has-Wmissing-variable-declarations=yes | sed -e 's/-/_/g'`
 		WARNFLAGS_C="${WARNFLAGS_C} -Wmissing-variable-declarations"
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 	CFLAGS="${old_CFLAGS}"
@@ -4506,6 +4659,7 @@ printf %s "checking whether cc accepts -
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4513,16 +4667,22 @@ main (void)
   ;
   return 0;
 }
+
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		eval `echo cc_has-Wshadow-local=yes | sed -e 's/-/_/g'`
 		WARNFLAGS_C="${WARNFLAGS_C} -Wshadow-local"
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 	CFLAGS="${old_CFLAGS}"
@@ -4536,6 +4696,7 @@ printf %s "checking whether cc accepts -
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4543,21 +4704,99 @@ main (void)
   ;
   return 0;
 }
+
 _ACEOF
 if ac_fn_c_try_compile "$LINENO"
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		eval `echo cc_has-Wshadow=yes | sed -e 's/-/_/g'`
 		WARNFLAGS_C="${WARNFLAGS_C} -Wshadow"
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 	CFLAGS="${old_CFLAGS}"
 
 fi
+
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether cc accepts -Wstring-conversion" >&5
+printf %s "checking whether cc accepts -Wstring-conversion... " >&6; }
+	old_CFLAGS="${CFLAGS}"
+	CFLAGS="${CFLAGS} -Werror -Wstring-conversion"
+	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+		eval `echo cc_has-Wstring-conversion=yes | sed -e 's/-/_/g'`
+		WARNFLAGS_C="${WARNFLAGS_C} -Wstring-conversion"
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+	 ;;
+esac
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+	CFLAGS="${old_CFLAGS}"
+
+
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether cc accepts -Wtype-limits" >&5
+printf %s "checking whether cc accepts -Wtype-limits... " >&6; }
+	old_CFLAGS="${CFLAGS}"
+	CFLAGS="${CFLAGS} -Werror -Wtype-limits"
+	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"
+then :
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+		eval `echo cc_has-Wtype-limits=yes | sed -e 's/-/_/g'`
+		WARNFLAGS_C="${WARNFLAGS_C} -Wtype-limits"
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+	 ;;
+esac
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+	CFLAGS="${old_CFLAGS}"
+
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
@@ -4583,6 +4822,7 @@ printf %s "checking whether c++ accepts
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4590,16 +4830,22 @@ main (void)
   ;
   return 0;
 }
+
 _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		eval `echo cxx_has-Wcast-qual=yes | sed -e 's/-/_/g'`
 		WARNFLAGS_CXX="${WARNFLAGS_CXX} -Wcast-qual"
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 	CXXFLAGS="${old_CXXFLAGS}"
@@ -4612,6 +4858,7 @@ printf %s "checking whether c++ accepts
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4619,28 +4866,35 @@ main (void)
   ;
   return 0;
 }
+
 _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		eval `echo cxx_has-Wextra-semi=yes | sed -e 's/-/_/g'`
 		WARNFLAGS_CXX="${WARNFLAGS_CXX} -Wextra-semi"
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 	CXXFLAGS="${old_CXXFLAGS}"
 
 
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether c++ accepts -Winconsistent-missing-override" >&5
-printf %s "checking whether c++ accepts -Winconsistent-missing-override... " >&6; }
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether c++ accepts -Winconsistent-missing-destructor-override" >&5
+printf %s "checking whether c++ accepts -Winconsistent-missing-destructor-override... " >&6; }
 	old_CXXFLAGS="${CXXFLAGS}"
-	CXXFLAGS="${CXXFLAGS} -Werror -Winconsistent-missing-override"
+	CXXFLAGS="${CXXFLAGS} -Werror -Winconsistent-missing-destructor-override"
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4648,28 +4902,35 @@ main (void)
   ;
   return 0;
 }
+
 _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
-		eval `echo cxx_has-Winconsistent-missing-override=yes | sed -e 's/-/_/g'`
-		WARNFLAGS_CXX="${WARNFLAGS_CXX} -Winconsistent-missing-override"
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+		eval `echo cxx_has-Winconsistent-missing-destructor-override=yes | sed -e 's/-/_/g'`
+		WARNFLAGS_CXX="${WARNFLAGS_CXX} -Winconsistent-missing-destructor-override"
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 	CXXFLAGS="${old_CXXFLAGS}"
 
 
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether c++ accepts -Winconsistent-missing-destructor-override" >&5
-printf %s "checking whether c++ accepts -Winconsistent-missing-destructor-override... " >&6; }
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether c++ accepts -Winconsistent-missing-override" >&5
+printf %s "checking whether c++ accepts -Winconsistent-missing-override... " >&6; }
 	old_CXXFLAGS="${CXXFLAGS}"
-	CXXFLAGS="${CXXFLAGS} -Werror -Winconsistent-missing-destructor-override"
+	CXXFLAGS="${CXXFLAGS} -Werror -Winconsistent-missing-override"
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4677,16 +4938,22 @@ main (void)
   ;
   return 0;
 }
+
 _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
-		eval `echo cxx_has-Winconsistent-missing-destructor-override=yes | sed -e 's/-/_/g'`
-		WARNFLAGS_CXX="${WARNFLAGS_CXX} -Winconsistent-missing-destructor-override"
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+		eval `echo cxx_has-Winconsistent-missing-override=yes | sed -e 's/-/_/g'`
+		WARNFLAGS_CXX="${WARNFLAGS_CXX} -Winconsistent-missing-override"
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 	CXXFLAGS="${old_CXXFLAGS}"
@@ -4699,6 +4966,7 @@ printf %s "checking whether c++ accepts
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4706,16 +4974,22 @@ main (void)
   ;
   return 0;
 }
+
 _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		eval `echo cxx_has-Wlogical-op=yes | sed -e 's/-/_/g'`
 		WARNFLAGS_CXX="${WARNFLAGS_CXX} -Wlogical-op"
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 	CXXFLAGS="${old_CXXFLAGS}"
@@ -4728,6 +5002,7 @@ printf %s "checking whether c++ accepts
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4735,16 +5010,22 @@ main (void)
   ;
   return 0;
 }
+
 _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		eval `echo cxx_has-Wmissing-prototypes=yes | sed -e 's/-/_/g'`
 		WARNFLAGS_CXX="${WARNFLAGS_CXX} -Wmissing-prototypes"
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 	CXXFLAGS="${old_CXXFLAGS}"
@@ -4757,6 +5038,7 @@ printf %s "checking whether c++ accepts
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4764,16 +5046,22 @@ main (void)
   ;
   return 0;
 }
+
 _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		eval `echo cxx_has-Wmissing-variable-declarations=yes | sed -e 's/-/_/g'`
 		WARNFLAGS_CXX="${WARNFLAGS_CXX} -Wmissing-variable-declarations"
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 	CXXFLAGS="${old_CXXFLAGS}"
@@ -4787,6 +5075,7 @@ printf %s "checking whether c++ accepts
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4794,16 +5083,22 @@ main (void)
   ;
   return 0;
 }
+
 _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		eval `echo cxx_has-Wshadow-local=yes | sed -e 's/-/_/g'`
 		WARNFLAGS_CXX="${WARNFLAGS_CXX} -Wshadow-local"
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 	CXXFLAGS="${old_CXXFLAGS}"
@@ -4817,6 +5112,7 @@ printf %s "checking whether c++ accepts
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4824,22 +5120,100 @@ main (void)
   ;
   return 0;
 }
+
 _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		eval `echo cxx_has-Wshadow=yes | sed -e 's/-/_/g'`
 		WARNFLAGS_CXX="${WARNFLAGS_CXX} -Wshadow"
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 	CXXFLAGS="${old_CXXFLAGS}"
 
 fi
 
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether c++ accepts -Wstring-conversion" >&5
+printf %s "checking whether c++ accepts -Wstring-conversion... " >&6; }
+	old_CXXFLAGS="${CXXFLAGS}"
+	CXXFLAGS="${CXXFLAGS} -Werror -Wstring-conversion"
+	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+		eval `echo cxx_has-Wstring-conversion=yes | sed -e 's/-/_/g'`
+		WARNFLAGS_CXX="${WARNFLAGS_CXX} -Wstring-conversion"
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+	 ;;
+esac
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+	CXXFLAGS="${old_CXXFLAGS}"
+
+
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether c++ accepts -Wsuggest-destructor-override" >&5
+printf %s "checking whether c++ accepts -Wsuggest-destructor-override... " >&6; }
+	old_CXXFLAGS="${CXXFLAGS}"
+	CXXFLAGS="${CXXFLAGS} -Werror -Wsuggest-destructor-override"
+	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+		eval `echo cxx_has-Wsuggest-destructor-override=yes | sed -e 's/-/_/g'`
+		WARNFLAGS_CXX="${WARNFLAGS_CXX} -Wsuggest-destructor-override"
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+	 ;;
+esac
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+	CXXFLAGS="${old_CXXFLAGS}"
+
+
 	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether c++ accepts -Wsuggest-override" >&5
 printf %s "checking whether c++ accepts -Wsuggest-override... " >&6; }
 	old_CXXFLAGS="${CXXFLAGS}"
@@ -4847,6 +5221,7 @@ printf %s "checking whether c++ accepts
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4854,16 +5229,58 @@ main (void)
   ;
   return 0;
 }
+
 _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		eval `echo cxx_has-Wsuggest-override=yes | sed -e 's/-/_/g'`
 		WARNFLAGS_CXX="${WARNFLAGS_CXX} -Wsuggest-override"
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
+	 ;;
+esac
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+	CXXFLAGS="${old_CXXFLAGS}"
+
+
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether c++ accepts -Wtype-limits" >&5
+printf %s "checking whether c++ accepts -Wtype-limits... " >&6; }
+	old_CXXFLAGS="${CXXFLAGS}"
+	CXXFLAGS="${CXXFLAGS} -Werror -Wtype-limits"
+	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+
+int
+main (void)
+{
+
+  ;
+  return 0;
+}
+
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+		eval `echo cxx_has-Wtype-limits=yes | sed -e 's/-/_/g'`
+		WARNFLAGS_CXX="${WARNFLAGS_CXX} -Wtype-limits"
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 	CXXFLAGS="${old_CXXFLAGS}"
@@ -4876,6 +5293,7 @@ printf %s "checking whether c++ accepts
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4883,38 +5301,44 @@ main (void)
   ;
   return 0;
 }
+
 _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		eval `echo cxx_has-Wvla-extension=yes | sed -e 's/-/_/g'`
 		WARNFLAGS_CXX="${WARNFLAGS_CXX} -Wvla-extension"
-else $as_nop
-  { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 	CXXFLAGS="${old_CXXFLAGS}"
 
 
 
-# CPU が AVX2 をサポートしているか。
-# (OS がレジスタの退避などをサポートしているかとかはたぶん知る方法がない)
+# コンパイラが AVX2 をサポートしているか。
 # Check whether --enable-avx2 was given.
 if test ${enable_avx2+y}
 then :
   enableval=$enable_avx2;
-else $as_nop
-  enable_avx2=yes
+else case e in #(
+  e) enable_avx2=yes ;;
+esac
 fi
 
 
 if test x"${enable_avx2}" != x"no"
 then :
 
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for AVX2" >&5
-printf %s "checking for AVX2... " >&6; }
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports AVX2" >&5
+printf %s "checking whether the compiler supports AVX2... " >&6; }
 	if test x"${host_cpu}" = x"x86_64"; then
 		if test x"${host_cpu}" = x"${build_cpu}"; then
 			old_CXXFLAGS="${CXXFLAGS}"
@@ -4961,6 +5385,64 @@ printf "%s\n" "no" >&6; }
 
 fi
 
+# コンパイラが NEON をサポートしているか。
+# Check whether --enable-neon was given.
+if test ${enable_neon+y}
+then :
+  enableval=$enable_neon;
+else case e in #(
+  e) enable_neon=yes ;;
+esac
+fi
+
+
+if test x"${enable_neon}" != x"no"
+then :
+
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the compiler supports NEON" >&5
+printf %s "checking whether the compiler supports NEON... " >&6; }
+	if test x"${host_cpu}" = x"aarch64"; then
+		if test x"${host_cpu}" = x"${build_cpu}"; then
+			old_CXXFLAGS="${CXXFLAGS}"
+			cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+				#include <arm_neon.h>
+
+int
+main (void)
+{
+
+				uint8x16_t v;
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
+
+				have_neon=yes
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+			CXXFLAGS="${old_CXXFLAGS}"
+		fi
+	fi
+	if test x"${have_neon}" = x"yes"; then
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+		printf "%s\n" "#define HAVE_NEON 1" >>confdefs.h
+
+		HOST_HAS_NEON=yes
+
+	else
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+	fi
+
+fi
+
 # Checks for libraries.
 
 # Checks for header files.
@@ -5035,6 +5517,20 @@ then :
 
 fi
 
+ac_fn_cxx_check_header_compile "$LINENO" "sched.h" "ac_cv_header_sched_h" "$ac_includes_default"
+if test "x$ac_cv_header_sched_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_SCHED_H 1" >>confdefs.h
+
+fi
+
+ac_fn_cxx_check_header_compile "$LINENO" "sys/cpuset.h" "ac_cv_header_sys_cpuset_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_cpuset_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_SYS_CPUSET_H 1" >>confdefs.h
+
+fi
+
 ac_fn_cxx_check_header_compile "$LINENO" "sys/endian.h" "ac_cv_header_sys_endian_h" "$ac_includes_default"
 if test "x$ac_cv_header_sys_endian_h" = xyes
 then :
@@ -5105,25 +5601,25 @@ printf "%s\n" "#define HAVE__BOOL 1" >>c
 
 fi
 
-   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for stdbool.h that conforms to C99" >&5
-printf %s "checking for stdbool.h that conforms to C99... " >&6; }
+   { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for stdbool.h that conforms to C99 or later" >&5
+printf %s "checking for stdbool.h that conforms to C99 or later... " >&6; }
 if test ${ac_cv_header_stdbool_h+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 #include <stdbool.h>
 
-             #ifndef __bool_true_false_are_defined
-               #error "__bool_true_false_are_defined is not defined"
-             #endif
-             char a[__bool_true_false_are_defined == 1 ? 1 : -1];
-
-             /* Regardless of whether this is C++ or "_Bool" is a
-                valid type name, "true" and "false" should be usable
-                in #if expressions and integer constant expressions,
-                and "bool" should be a valid type name.  */
+             /* "true" and "false" should be usable in #if expressions and
+                integer constant expressions, and "bool" should be a valid
+                type name.
+
+                Although C99 requires bool, true, and false to be macros,
+                C23 and C++11 overrule that, so do not test for that.
+                Although C99 requires __bool_true_false_are_defined and
+                _Bool, C23 says they are obsolescent, so do not require
+                them.  */
 
              #if !true
                #error "'true' is not true"
@@ -5157,43 +5653,12 @@ else $as_nop
              char n[sizeof m == h * sizeof m[0] ? 1 : -1];
              char o[-1 - (bool) 0 < 0 ? 1 : -1];
              /* Catch a bug in an HP-UX C compiler.  See
-         https://gcc.gnu.org/ml/gcc-patches/2003-12/msg02303.html
-         https://lists.gnu.org/archive/html/bug-coreutils/2005-11/msg00161.html
+                https://gcc.gnu.org/ml/gcc-patches/2003-12/msg02303.html
+                https://lists.gnu.org/r/bug-coreutils/2005-11/msg00161.html
               */
              bool p = true;
              bool *pp = &p;
 
-             /* C 1999 specifies that bool, true, and false are to be
-                macros, but C++ 2011 and later overrule this.  */
-             #if __cplusplus < 201103
-              #ifndef bool
-               #error "bool is not defined"
-              #endif
-              #ifndef false
-               #error "false is not defined"
-              #endif
-              #ifndef true
-               #error "true is not defined"
-              #endif
-             #endif
-
-             /* If _Bool is available, repeat with it all the tests
-                above that used bool.  */
-             #ifdef HAVE__BOOL
-               struct sB { _Bool s: 1; _Bool t; } t;
-
-               char q[(_Bool) 0.5 == true ? 1 : -1];
-               char r[(_Bool) 0.0 == false ? 1 : -1];
-               char u[sizeof (_Bool) > 0 ? 1 : -1];
-               char v[sizeof t.t > 0 ? 1 : -1];
-
-               _Bool w[h];
-               char x[sizeof m == h * sizeof m[0] ? 1 : -1];
-               char y[-1 - (_Bool) 0 < 0 ? 1 : -1];
-               _Bool z = true;
-               _Bool *pz = &p;
-             #endif
-
 int
 main (void)
 {
@@ -5202,20 +5667,10 @@ main (void)
              *pp |= p;
              *pp |= ! p;
 
-             #ifdef HAVE__BOOL
-               _Bool pt = &t;
-               *pz |= z;
-               *pz |= ! z;
-             #endif
-
              /* Refer to every declared value, so they cannot be
                 discarded as unused.  */
-             return (!a + !b + !c + !d + !e + !f + !g + !h + !i + !j + !k
-                     + !l + !m + !n + !o + !p + !pp + !ps
-             #ifdef HAVE__BOOL
-                     + !q + !r + !u + !v + !w + !x + !y + !z + !pt
-             #endif
-                    );
+             return (!b + !c + !d + !e + !f + !g + !h + !i + !j + !k
+                     + !l + !m + !n + !o + !p + !pp + !ps);
 
   ;
   return 0;
@@ -5224,10 +5679,12 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"
 then :
   ac_cv_header_stdbool_h=yes
-else $as_nop
-  ac_cv_header_stdbool_h=no
+else case e in #(
+  e) ac_cv_header_stdbool_h=no ;;
+esac
 fi
-rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_stdbool_h" >&5
 printf "%s\n" "$ac_cv_header_stdbool_h" >&6; }
@@ -5243,6 +5700,121 @@ printf "%s\n" "$ac_cv_header_stdbool_h"
 #AC_TYPE_UINT64_T
 #AC_TYPE_UINT8_T
 
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for cpuset_t" >&5
+printf %s "checking for cpuset_t... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+		#if defined(HAVE_SCHED_H)
+		#include <sched.h>
+		#endif
+		#if defined(HAVE_SYS_CPUSET_H)
+		#include <sys/cpuset.h>
+		#endif
+
+int
+main (void)
+{
+
+		cpuset_t set;
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+		printf "%s\n" "#define HAVE_CPUSET_T 1" >>confdefs.h
+
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+	 ;;
+esac
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for cpuset_t *" >&5
+printf %s "checking for cpuset_t *... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+		#if defined(HAVE_SCHED_H)
+		#include <sched.h>
+		#endif
+		#if defined(HAVE_SYS_CPUSET_H)
+		#include <sys/cpuset.h>
+		#endif
+
+int
+main (void)
+{
+
+		cpuset_t *set;
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+		printf "%s\n" "#define HAVE_CPUSET_T_P 1" >>confdefs.h
+
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+	 ;;
+esac
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for cpu_set_t" >&5
+printf %s "checking for cpu_set_t... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+		#include <sched.h>
+
+int
+main (void)
+{
+
+		cpu_set_t set;
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+		printf "%s\n" "#define HAVE_CPU_SET_T 1" >>confdefs.h
+
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+	 ;;
+esac
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+
+
+# __builtin
+
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for __builtin_assume" >&5
 printf %s "checking for __builtin_assume... " >&6; }
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -5266,11 +5838,108 @@ printf "%s\n" "yes" >&6; }
 		printf "%s\n" "#define HAVE___BUILTIN_ASSUME 1" >>confdefs.h
 
 
-else $as_nop
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+	 ;;
+esac
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for __builtin_bitreverse8" >&5
+printf %s "checking for __builtin_bitreverse8... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+		return __builtin_bitreverse8(1);
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+		printf "%s\n" "#define HAVE___BUILTIN_BITREVERSE8 1" >>confdefs.h
+
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+	 ;;
+esac
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for __builtin_bitreverse16" >&5
+printf %s "checking for __builtin_bitreverse16... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+		return __builtin_bitreverse16(1);
 
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+		printf "%s\n" "#define HAVE___BUILTIN_BITREVERSE16 1" >>confdefs.h
+
+
+else case e in #(
+  e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
+	 ;;
+esac
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for __builtin_bitreverse32" >&5
+printf %s "checking for __builtin_bitreverse32... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+		return __builtin_bitreverse32(1);
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
 
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+		printf "%s\n" "#define HAVE___BUILTIN_BITREVERSE32 1" >>confdefs.h
+
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
@@ -5297,11 +5966,12 @@ printf "%s\n" "yes" >&6; }
 		printf "%s\n" "#define HAVE___BUILTIN_BSWAP16 1" >>confdefs.h
 
 
-else $as_nop
-
+else case e in #(
+  e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
@@ -5328,11 +5998,12 @@ printf "%s\n" "yes" >&6; }
 		printf "%s\n" "#define HAVE___BUILTIN_BSWAP32 1" >>confdefs.h
 
 
-else $as_nop
-
+else case e in #(
+  e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
@@ -5359,11 +6030,12 @@ printf "%s\n" "yes" >&6; }
 		printf "%s\n" "#define HAVE___BUILTIN_BSWAP64 1" >>confdefs.h
 
 
-else $as_nop
-
+else case e in #(
+  e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
@@ -5390,11 +6062,76 @@ printf "%s\n" "yes" >&6; }
 		printf "%s\n" "#define HAVE___BUILTIN_EXPECT 1" >>confdefs.h
 
 
-else $as_nop
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+	 ;;
+esac
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for __builtin_rotateleft32" >&5
+printf %s "checking for __builtin_rotateleft32... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+		return __builtin_rotateleft32(1, 1);
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
 
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+		printf "%s\n" "#define HAVE___BUILTIN_ROTATELEFT32 1" >>confdefs.h
+
+
+else case e in #(
+  e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
+	 ;;
+esac
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for __builtin_rotateright32" >&5
+printf %s "checking for __builtin_rotateright32... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main (void)
+{
+
+		return __builtin_rotateright32(1, 1);
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+		printf "%s\n" "#define HAVE___BUILTIN_ROTATERIGHT32 1" >>confdefs.h
+
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
@@ -5421,11 +6158,12 @@ printf "%s\n" "yes" >&6; }
 		printf "%s\n" "#define HAVE___BUILTIN_UNREACHABLE 1" >>confdefs.h
 
 
-else $as_nop
-
+else case e in #(
+  e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
@@ -5460,11 +6198,12 @@ printf "%s\n" "yes" >&6; }
 		printf "%s\n" "#define HAVE___ATTRIBUTE_FALLTHROUGH 1" >>confdefs.h
 
 
-else $as_nop
-
+else case e in #(
+  e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 CXXFLAGS="${old_CXXFLAGS}"
@@ -5495,11 +6234,12 @@ printf "%s\n" "yes" >&6; }
 		printf "%s\n" "#define HAVE___ATTRIBUTE_FORMAT 1" >>confdefs.h
 
 
-else $as_nop
-
+else case e in #(
+  e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 CXXFLAGS="${old_CXXFLAGS}"
@@ -5530,11 +6270,12 @@ printf "%s\n" "yes" >&6; }
 		printf "%s\n" "#define HAVE___ATTRIBUTE_NO_SANITIZE 1" >>confdefs.h
 
 
-else $as_nop
-
+else case e in #(
+  e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 CXXFLAGS="${old_CXXFLAGS}"
@@ -5565,11 +6306,12 @@ printf "%s\n" "yes" >&6; }
 		printf "%s\n" "#define HAVE___ATTRIBUTE_PACKED 1" >>confdefs.h
 
 
-else $as_nop
-
+else case e in #(
+  e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 CXXFLAGS="${old_CXXFLAGS}"
@@ -5599,11 +6341,12 @@ printf "%s\n" "yes" >&6; }
 		printf "%s\n" "#define HAVE___ATTRIBUTE_UNUSED 1" >>confdefs.h
 
 
-else $as_nop
-
+else case e in #(
+  e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 CXXFLAGS="${old_CXXFLAGS}"
@@ -5639,11 +6382,12 @@ printf "%s\n" "yes" >&6; }
 		printf "%s\n" "#define HAVE_BSWAP16 1" >>confdefs.h
 
 
-else $as_nop
-
+else case e in #(
+  e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
@@ -5674,11 +6418,12 @@ printf "%s\n" "yes" >&6; }
 		printf "%s\n" "#define HAVE_BSWAP32 1" >>confdefs.h
 
 
-else $as_nop
-
+else case e in #(
+  e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
@@ -5709,11 +6454,12 @@ printf "%s\n" "yes" >&6; }
 		printf "%s\n" "#define HAVE_BSWAP64 1" >>confdefs.h
 
 
-else $as_nop
-
+else case e in #(
+  e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
@@ -5744,11 +6490,12 @@ printf "%s\n" "yes" >&6; }
 		printf "%s\n" "#define HAVE_BSWAP_16 1" >>confdefs.h
 
 
-else $as_nop
-
+else case e in #(
+  e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
@@ -5779,11 +6526,12 @@ printf "%s\n" "yes" >&6; }
 		printf "%s\n" "#define HAVE_BSWAP_32 1" >>confdefs.h
 
 
-else $as_nop
-
+else case e in #(
+  e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
@@ -5814,11 +6562,12 @@ printf "%s\n" "yes" >&6; }
 		printf "%s\n" "#define HAVE_BSWAP_64 1" >>confdefs.h
 
 
-else $as_nop
-
+else case e in #(
+  e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
@@ -5849,11 +6598,12 @@ printf "%s\n" "yes" >&6; }
 		printf "%s\n" "#define HAVE_SWAP16 1" >>confdefs.h
 
 
-else $as_nop
-
+else case e in #(
+  e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
@@ -5884,11 +6634,12 @@ printf "%s\n" "yes" >&6; }
 		printf "%s\n" "#define HAVE_SWAP32 1" >>confdefs.h
 
 
-else $as_nop
-
+else case e in #(
+  e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
@@ -5919,11 +6670,12 @@ printf "%s\n" "yes" >&6; }
 		printf "%s\n" "#define HAVE_SWAP64 1" >>confdefs.h
 
 
-else $as_nop
-
+else case e in #(
+  e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
@@ -5960,11 +6712,324 @@ printf "%s\n" "yes" >&6; }
 		printf "%s\n" "#define HAVE_HTOBE16 1" >>confdefs.h
 
 
-else $as_nop
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+	 ;;
+esac
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for CPU_COUNT" >&5
+printf %s "checking for CPU_COUNT... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+		#if defined(HAVE_SCHED_H)
+		#include <sched.h>
+		#endif
+		#if defined(HAVE_SYS_CPUSET_H)
+		#include <sys/cpuset.h>
+		#endif
+
+int
+main (void)
+{
+
+		#if defined(HAVE_CPUSET_T)
+		cpuset_t set;
+		#elif defined(HAVE_CPU_SET_T)
+		cpu_set_t set;
+		#endif
+		CPU_COUNT(&set);
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+		printf "%s\n" "#define HAVE_CPU_COUNT 1" >>confdefs.h
+
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+	 ;;
+esac
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for CPU_ISSET" >&5
+printf %s "checking for CPU_ISSET... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+		#if defined(HAVE_SCHED_H)
+		#include <sched.h>
+		#endif
+		#if defined(HAVE_SYS_CPUSET_H)
+		#include <sys/cpuset.h>
+		#endif
+
+int
+main (void)
+{
+
+		#if defined(HAVE_CPUSET_T)
+		cpuset_t set;
+		#elif defined(HAVE_CPU_SET_T)
+		cpu_set_t set;
+		#endif
+		CPU_ISSET(0, &set);
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+		printf "%s\n" "#define HAVE_CPU_ISSET 1" >>confdefs.h
+
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+	 ;;
+esac
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for CPU_SET" >&5
+printf %s "checking for CPU_SET... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+		#if defined(HAVE_SCHED_H)
+		#include <sched.h>
+		#endif
+		#if defined(HAVE_SYS_CPUSET_H)
+		#include <sys/cpuset.h>
+		#endif
+
+int
+main (void)
+{
+
+		#if defined(HAVE_CPUSET_T)
+		cpuset_t set;
+		#elif defined(HAVE_CPU_SET_T)
+		cpu_set_t set;
+		#endif
+		CPU_SET(0, &set);
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+		printf "%s\n" "#define HAVE_CPU_SET 1" >>confdefs.h
+
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+	 ;;
+esac
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for CPU_ZERO" >&5
+printf %s "checking for CPU_ZERO... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+		#if defined(HAVE_SCHED_H)
+		#include <sched.h>
+		#endif
+		#if defined(HAVE_SYS_CPUSET_H)
+		#include <sys/cpuset.h>
+		#endif
+
+int
+main (void)
+{
+
+		#if defined(HAVE_CPUSET_T)
+		cpuset_t set;
+		#elif defined(HAVE_CPU_SET_T)
+		cpu_set_t set;
+		#endif
+		CPU_ZERO(&set);
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+		printf "%s\n" "#define HAVE_CPU_ZERO 1" >>confdefs.h
+
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+	 ;;
+esac
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for cpuset_create" >&5
+printf %s "checking for cpuset_create... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+		#include <sched.h>
+
+int
+main (void)
+{
+
+		cpuset_create();
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+		printf "%s\n" "#define HAVE_CPUSET_CREATE 1" >>confdefs.h
+
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+	 ;;
+esac
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for cpuset_isset" >&5
+printf %s "checking for cpuset_isset... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+		#include <sched.h>
+
+int
+main (void)
+{
+
+		cpuset_isset(0, NULL);
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+		printf "%s\n" "#define HAVE_CPUSET_ISSET 1" >>confdefs.h
+
 
+else case e in #(
+  e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
+	 ;;
+esac
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for cpuset_set" >&5
+printf %s "checking for cpuset_set... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+		#include <sched.h>
+
+int
+main (void)
+{
+
+		cpuset_set(0, NULL);
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+		printf "%s\n" "#define HAVE_CPUSET_SET 1" >>confdefs.h
+
 
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+	 ;;
+esac
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for cpuset_size" >&5
+printf %s "checking for cpuset_size... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+		#include <sched.h>
+
+int
+main (void)
+{
+
+		cpuset_size(NULL);
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+		printf "%s\n" "#define HAVE_CPUSET_SIZE 1" >>confdefs.h
+
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
@@ -5995,11 +7060,12 @@ printf "%s\n" "yes" >&6; }
 
 		have_statxxfs=statfs
 
-else $as_nop
-
+else case e in #(
+  e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
@@ -6030,19 +7096,20 @@ printf "%s\n" "yes" >&6; }
 
 		have_statxxfs=statvfs
 
-else $as_nop
-
+else case e in #(
+  e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
 if test -z "${have_statxxfs}"; then
-	{ { printf "%s\n" "$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 $? "*** No statfs() nor statvfs() found
-See \`config.log' for more details" "$LINENO" 5; }
+See 'config.log' for more details" "$LINENO" 5; }
 fi
 
 ac_fn_cxx_check_member "$LINENO" "struct stat" "st_mtimespec" "ac_cv_member_struct_stat_st_mtimespec" "
@@ -6081,15 +7148,16 @@ then :
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 
-else $as_nop
-
+else case e in #(
+  e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-		{ { 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 $? "*** No timegm() found
-See \`config.log' for more details" "$LINENO" 5; }
-
+See 'config.log' for more details" "$LINENO" 5; }
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
@@ -6122,11 +7190,12 @@ printf "%s\n" "yes" >&6; }
 		printf "%s\n" "#define HAVE_PTHREAD_GETNAME_NP 1" >>confdefs.h
 
 
-else $as_nop
-
+else case e in #(
+  e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
@@ -6159,11 +7228,12 @@ printf "%s\n" "yes" >&6; }
 		printf "%s\n" "#define HAVE_PTHREAD_GET_NAME_NP 1" >>confdefs.h
 
 
-else $as_nop
-
+else case e in #(
+  e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
@@ -6195,11 +7265,12 @@ printf "%s\n" "yes" >&6; }
 		printf "%s\n" "#define HAVE_PTHREAD_SETNAME_NP_name 1" >>confdefs.h
 
 
-else $as_nop
-
+else case e in #(
+  e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
@@ -6231,11 +7302,12 @@ printf "%s\n" "yes" >&6; }
 		printf "%s\n" "#define HAVE_PTHREAD_SETNAME_NP_th_name 1" >>confdefs.h
 
 
-else $as_nop
-
+else case e in #(
+  e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
@@ -6267,11 +7339,12 @@ printf "%s\n" "yes" >&6; }
 		printf "%s\n" "#define HAVE_PTHREAD_SETNAME_NP_th_name_arg 1" >>confdefs.h
 
 
-else $as_nop
-
+else case e in #(
+  e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
@@ -6303,14 +7376,53 @@ printf "%s\n" "yes" >&6; }
 		printf "%s\n" "#define HAVE_PTHREAD_SET_NAME_NP_th_name 1" >>confdefs.h
 
 
-else $as_nop
-
+else case e in #(
+  e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
+	 ;;
+esac
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for pthread_setaffinity_np" >&5
+printf %s "checking for pthread_setaffinity_np... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+		#include <pthread.h>
+		#if defined(HAVE_PTHREAD_NP_H)
+		#include <pthread_np.h>
+		#endif
+
+int
+main (void)
+{
+
+		pthread_setaffinity_np(pthread_self(), 0, NULL);
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+		printf "%s\n" "#define HAVE_PTHREAD_SETAFFINITY_NP 1" >>confdefs.h
+
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
+
 #
 # Network
 #
@@ -6341,11 +7453,12 @@ printf "%s\n" "yes" >&6; }
 		HOSTNET_AFPACKET=yes
 
 
-else $as_nop
-
+else case e in #(
+  e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+	 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
@@ -6397,7 +7510,6 @@ fi
 # Other libraries
 #
 
-# CHECK_LIB($1=name, $2=libs, $3=include, $4=src)
 
 
 PATHS="none /usr/pkg /usr/local"
@@ -6408,8 +7520,8 @@ printf %s "checking for getprogname in -
 if test ${ac_cv_lib_c_getprogname+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lc  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -6428,12 +7540,14 @@ _ACEOF
 if ac_fn_cxx_try_link "$LINENO"
 then :
   ac_cv_lib_c_getprogname=yes
-else $as_nop
-  ac_cv_lib_c_getprogname=no
+else case e in #(
+  e) ac_cv_lib_c_getprogname=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_c_getprogname" >&5
 printf "%s\n" "$ac_cv_lib_c_getprogname" >&6; }
@@ -6450,8 +7564,8 @@ printf %s "checking for getprogname in -
 if test ${ac_cv_lib_bsd_getprogname+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lbsd  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -6470,12 +7584,14 @@ _ACEOF
 if ac_fn_cxx_try_link "$LINENO"
 then :
   ac_cv_lib_bsd_getprogname=yes
-else $as_nop
-  ac_cv_lib_bsd_getprogname=no
+else case e in #(
+  e) ac_cv_lib_bsd_getprogname=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_bsd_getprogname" >&5
 printf "%s\n" "$ac_cv_lib_bsd_getprogname" >&6; }
@@ -6510,12 +7626,13 @@ then :
 
 	# nothing to do on success
 
-else $as_nop
-
+else case e in #(
+  e)
 		as_fn_error $? "*** getprogname is not found.
 *** If you use Ubuntu, sudo apt install libbsd-dev" "$LINENO" 5
 
-
+ ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
@@ -6525,8 +7642,8 @@ printf %s "checking for kqueue in -lkque
 if test ${ac_cv_lib_kqueue_kqueue+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lkqueue  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -6545,12 +7662,14 @@ _ACEOF
 if ac_fn_cxx_try_link "$LINENO"
 then :
   ac_cv_lib_kqueue_kqueue=yes
-else $as_nop
-  ac_cv_lib_kqueue_kqueue=no
+else case e in #(
+  e) ac_cv_lib_kqueue_kqueue=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_kqueue_kqueue" >&5
 printf "%s\n" "$ac_cv_lib_kqueue_kqueue" >&6; }
@@ -6566,8 +7685,8 @@ printf %s "checking for gzclose in -lz..
 if test ${ac_cv_lib_z_gzclose+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  ac_check_lib_save_LIBS=$LIBS
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
 LIBS="-lz  $LIBS"
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
@@ -6586,33 +7705,171 @@ _ACEOF
 if ac_fn_cxx_try_link "$LINENO"
 then :
   ac_cv_lib_z_gzclose=yes
-else $as_nop
-  ac_cv_lib_z_gzclose=no
+else case e in #(
+  e) ac_cv_lib_z_gzclose=no ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-LIBS=$ac_check_lib_save_LIBS
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
 fi
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_z_gzclose" >&5
 printf "%s\n" "$ac_cv_lib_z_gzclose" >&6; }
 if test "x$ac_cv_lib_z_gzclose" = xyes
 then :
   LIBS="${LIBS} -lz"
-else $as_nop
-  as_fn_error $? "*** zlib is not found.
+else case e in #(
+  e) as_fn_error $? "*** zlib is not found.
 *** If use use Ubuntu, sudo apt install zlib1g-dev" "$LINENO" 5
+ ;;
+esac
+fi
+
+
+# libslirp
+
+# Check whether --with-libslirp was given.
+if test ${with_libslirp+y}
+then :
+  withval=$with_libslirp;
+else case e in #(
+  e) with_libslirp=yes ;;
+esac
+fi
+
+
+if test "x$with_libslirp" != "xno"
+then :
+
+
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for libslirp" >&5
+printf %s "checking for libslirp... " >&6; }
+	old_CPPFLAGS=${CPPFLAGS}
+	old_LIBS=${LIBS}
+	for path in ${PATHS}; do
+		case ${path} in
+		 none)
+			LIBS="-lslirp"
+			;;
+		 *)
+			CPPFLAGS="-I${path}/include"
+			LIBS="-L${path}/lib -lslirp"
+			;;
+		esac
+		cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+		#include <slirp/libslirp.h>
+
+int
+main (void)
+{
+
+		slirp_version_string();
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_link "$LINENO"
+then :
+
+			has_libslirp=yes
+
+						if test "$cross_compiling" = yes
+then :
+  { { 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 $? "cannot run test program while cross compiling
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+
+		#include <slirp/libslirp.h>
+
+				int main() {
+
+		slirp_version_string();
+	;
+					return 0;
+				}
+
+_ACEOF
+if ac_fn_cxx_try_run "$LINENO"
+then :
+
 
+else case e in #(
+  e)
+				LIBS="-L${path}/lib -Wl,-R,${path}/lib -lslirp"
+			 ;;
+esac
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
 fi
 
 
+			break
+
+else case e in #(
+  e)
+			has_libslirp=no
+		 ;;
+esac
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+	done
+	if test x"${has_libslirp}" = x"yes"; then
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+		CPPFLAGS_libslirp=${CPPFLAGS}
+		LIBS_libslirp=${LIBS}
+	else
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+	fi
+	CPPFLAGS=${old_CPPFLAGS}
+	LIBS=${old_LIBS}
+
+	if test x"${has_libslirp}" = x"yes"; then
+		printf "%s\n" "#define HAVE_HOSTNET_SLIRP 1" >>confdefs.h
+
+		HOSTNET_SLIRP=yes
+
+		CPPFLAGS_SLIRP=${CPPFLAGS_libslirp}
+
+		LIBS_SLIRP=${LIBS_libslirp}
+
+	else
+		as_fn_error $? "*** libslirp is not found.
+*** If use use pkgsrc, install net/libslirp.
+*** If you use Ubuntu, sudo apt install libslirp-dev.
+*** Or specify --without-libslirp (it disables hostnet-driver=usermode)." "$LINENO" 5
+	fi
+
+else case e in #(
+  e)
+	HOSTNET_SLIRP=no
+
+ ;;
+esac
+fi
+
 # wxWidgets
 
 # Check whether --with-gui was given.
 if test ${with_gui+y}
 then :
   withval=$with_gui;
-else $as_nop
-  with_gui=yes
+else case e in #(
+  e) with_gui=yes ;;
+esac
 fi
 
 
@@ -6651,22 +7908,52 @@ printf "%s\n" "$wxversion" >&6; }
 		wxlibs=`$wxconfig --libs`
 
 		case "${host_os}" in
-		 netbsd*)
-			# rpath。どうしたもんだかこれ
-			wxlibs=`echo $wxlibs | sed -e 's/-L\([^ ]*\) /-L\1 -Wl,-R,\1 /'`
-			;;
-
 		 darwin*)
 			# XXX -framework AudioToolbox が指定されているとリンカがこけるorz
 			wxlibs=`echo $wxlibs | sed -e 's/-framework AudioToolbox//'`
 			;;
 		esac
 
+				if test "$cross_compiling" = yes
+then :
+  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
+as_fn_error $? "cannot run test program while cross compiling
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+			#include <wx/wx.h>
+			class MyApp : public wxApp
+			{
+			 public:
+				bool OnInit() override { return true; }
+			};
+			wxIMPLEMENT_APP(MyApp);
+
+_ACEOF
+if ac_fn_cxx_try_run "$LINENO"
+then :
+
+
+else case e in #(
+  e)
+			wxlibs=`echo $wxlibs | sed -e 's/-L\([^ ]*\) /-L\1 -Wl,-R,\1 /'`
+		 ;;
+esac
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
+fi
+
+
 		WITH_GUI=yes
 
-		WXWIDGETS_CPPFLAGS=$wxcppflags
+		CPPFLAGS_WXWIDGETS=$wxcppflags
 
-		WXWIDGETS_LIBS=$wxlibs
+		LIBS_WXWIDGETS=$wxlibs
 
 	fi
 
@@ -6679,8 +7966,8 @@ printf %s "checking for $ac_word... " >&
 if test ${ac_cv_prog_MSGFMT+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$MSGFMT"; then
+else case e in #(
+  e) if test -n "$MSGFMT"; then
   ac_cv_prog_MSGFMT="$MSGFMT" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -6702,7 +7989,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 MSGFMT=$ac_cv_prog_MSGFMT
 if test -n "$MSGFMT"; then
@@ -6724,8 +8012,8 @@ printf %s "checking for $ac_word... " >&
 if test ${ac_cv_prog_ac_ct_MSGFMT+y}
 then :
   printf %s "(cached) " >&6
-else $as_nop
-  if test -n "$ac_ct_MSGFMT"; then
+else case e in #(
+  e) if test -n "$ac_ct_MSGFMT"; then
   ac_cv_prog_ac_ct_MSGFMT="$ac_ct_MSGFMT" # Let the user override the test.
 else
 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
@@ -6747,7 +8035,8 @@ done
   done
 IFS=$as_save_IFS
 
-fi
+fi ;;
+esac
 fi
 ac_ct_MSGFMT=$ac_cv_prog_ac_ct_MSGFMT
 if test -n "$ac_ct_MSGFMT"; then
@@ -6779,37 +8068,28 @@ fi
 *** If you use Ubuntu, sudo apt install gettext" "$LINENO" 5
 	fi
 
-else $as_nop
-
+else case e in #(
+  e)
 	WITH_GUI=no
 
-
+ ;;
+esac
 fi
 
-# nono 本体のチェックはここまで。
-nono_CPPFLAGS=${CPPFLAGS}
-nono_LIBS=${LIBS}
-NONO_CPPFLAGS=${nono_CPPFLAGS}
-
-NONO_LIBS=${nono_LIBS}
-
-
 # iconv は util/ でのみ必要。
-CPPFLAGS=
-LIBS=
 
-	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for iconv" >&5
-printf %s "checking for iconv... " >&6; }
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for libiconv" >&5
+printf %s "checking for libiconv... " >&6; }
+	old_CPPFLAGS=${CPPFLAGS}
+	old_LIBS=${LIBS}
 	for path in ${PATHS}; do
-		old_CPPFLAGS=${CPPFLAGS}
-		old_LIBS=${LIBS}
 		case ${path} in
 		 none)
-			LIBS="${LIBS} -liconv"
+			LIBS="-liconv"
 			;;
 		 *)
-			CPPFLAGS="${CPPFLAGS} -I${path}/include"
-			LIBS="${LIBS} -L${path}/lib -liconv"
+			CPPFLAGS="-I${path}/include"
+			LIBS="-L${path}/lib -liconv"
 			;;
 		esac
 		cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -6830,33 +8110,78 @@ _ACEOF
 if ac_fn_cxx_try_link "$LINENO"
 then :
 
-			has_iconv=yes
-			break
+			has_libiconv=yes
+
+						if test "$cross_compiling" = yes
+then :
+  { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in '$ac_pwd':" >&5
+printf "%s\n" "$as_me: error: in '$ac_pwd':" >&2;}
+as_fn_error $? "cannot run test program while cross compiling
+See 'config.log' for more details" "$LINENO" 5; }
+else case e in #(
+  e) cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
 
-else $as_nop
 
-			has_iconv=no
+	#include <iconv.h>
 
+				int main() {
+
+	iconv_open("", "");
+;
+					return 0;
+				}
+
+_ACEOF
+if ac_fn_cxx_try_run "$LINENO"
+then :
+
+
+else case e in #(
+  e)
+				LIBS="-L${path}/lib -Wl,-R,${path}/lib -liconv"
+			 ;;
+esac
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext ;;
+esac
+fi
+
+
+			break
+
+else case e in #(
+  e)
+			has_libiconv=no
+		 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam \
     conftest$ac_exeext conftest.$ac_ext
-		CPPFLAGS=${old_CPPFLAGS}
-		LIBS=${old_LIBS}
 	done
-	if test x"${has_iconv}" = x"yes"; then
+	if test x"${has_libiconv}" = x"yes"; then
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
+		CPPFLAGS_libiconv=${CPPFLAGS}
+		LIBS_libiconv=${LIBS}
 	else
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
 	fi
+	CPPFLAGS=${old_CPPFLAGS}
+	LIBS=${old_LIBS}
 
+CPPFLAGS_ICONV=${CPPFLAGS_libiconv}
 
-if test x"${has_iconv}" = x"yes"; then
+LIBS_ICONV=${LIBS_libiconv}
+
+
+if test x"${has_libiconv}" = x"yes"; then
 	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether iconv needs const" >&5
 printf %s "checking whether iconv needs const... " >&6; }
 	old_CPPFLAGS="${CPPFLAGS}"
-	CPPFLAGS="${CPPFLAGS} -Werror"
+	CPPFLAGS="${CPPFLAGS} ${CPPFLAGS_libiconv} -Werror"
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
@@ -6881,24 +8206,18 @@ printf "%s\n" "yes" >&6; }
 			printf "%s\n" "#define HAVE_ICONV_CONST 1" >>confdefs.h
 
 
-else $as_nop
-
+else case e in #(
+  e)
 			{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
-
+		 ;;
+esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 	CPPFLAGS="${old_CPPFLAGS}"
 fi
 
-iconv_CPPFLAGS=${CPPFLAGS}
-iconv_LIBS=${LIBS}
-ICONV_CPPFLAGS=${iconv_CPPFLAGS}
-
-ICONV_LIBS=${iconv_LIBS}
-
-
-ac_config_files="$ac_config_files Makefile.cfg host/Makefile wx/Makefile util/mkcgrom/Makefile util/viewcgrom/Makefile"
+ac_config_files="$ac_config_files Makefile.cfg"
 
 ac_config_headers="$ac_config_headers config-nono.h"
 
@@ -6912,8 +8231,8 @@ 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
@@ -6943,14 +8262,14 @@ printf "%s\n" "$as_me: WARNING: cache va
   (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 |
@@ -7040,7 +8359,6 @@ cat >>$CONFIG_STATUS <<\_ASEOF || as_wri
 
 # Be more Bourne compatible
 DUALCASE=1; export DUALCASE # for MKS sh
-as_nop=:
 if test ${ZSH_VERSION+y} && (emulate sh) >/dev/null 2>&1
 then :
   emulate sh
@@ -7049,12 +8367,13 @@ then :
   # is contrary to our usage.  Disable this feature.
   alias -g '${1+"$@"}'='"$@"'
   setopt NO_GLOB_SUBST
-else $as_nop
-  case `(set -o) 2>/dev/null` in #(
+else case e in #(
+  e) case `(set -o) 2>/dev/null` in #(
   *posix*) :
     set -o posix ;; #(
   *) :
      ;;
+esac ;;
 esac
 fi
 
@@ -7126,7 +8445,7 @@ 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
@@ -7155,7 +8474,6 @@ as_fn_error ()
 } # as_fn_error
 
 
-
 # as_fn_set_status STATUS
 # -----------------------
 # Set $? to STATUS, without forking.
@@ -7195,11 +8513,12 @@ then :
   {
     eval $1+=\$2
   }'
-else $as_nop
-  as_fn_append ()
+else case e in #(
+  e) as_fn_append ()
   {
     eval $1=\$$1\$2
-  }
+  } ;;
+esac
 fi # as_fn_append
 
 # as_fn_arith ARG...
@@ -7213,11 +8532,12 @@ then :
   {
     as_val=$(( $* ))
   }'
-else $as_nop
-  as_fn_arith ()
+else case e in #(
+  e) as_fn_arith ()
   {
     as_val=`expr "$@" || test $? -eq 1`
-  }
+  } ;;
+esac
 fi # as_fn_arith
 
 
@@ -7300,9 +8620,9 @@ 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
@@ -7383,10 +8703,12 @@ as_test_x='test -x'
 as_executable_p=as_fn_executable_p
 
 # Sed expression to map a string onto a valid CPP name.
-as_tr_cpp="eval sed 'y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g'"
+as_sed_cpp="y%*$as_cr_letters%P$as_cr_LETTERS%;s%[^_$as_cr_alnum]%_%g"
+as_tr_cpp="eval sed '$as_sed_cpp'" # deprecated
 
 # Sed expression to map a string onto a valid variable name.
-as_tr_sh="eval sed 'y%*+%pp%;s%[^_$as_cr_alnum]%_%g'"
+as_sed_sh="y%*+%pp%;s%[^_$as_cr_alnum]%_%g"
+as_tr_sh="eval sed '$as_sed_sh'" # deprecated
 
 
 exec 6>&1
@@ -7402,7 +8724,7 @@ cat >>$CONFIG_STATUS <<\_ACEOF || ac_wri
 # values after options handling.
 ac_log="
 This file was extended by nono $as_me 0.0, which was
-generated by GNU Autoconf 2.71.  Invocation command line was
+generated by GNU Autoconf 2.72.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
   CONFIG_HEADERS  = $CONFIG_HEADERS
@@ -7433,7 +8755,7 @@ _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.
 
@@ -7466,10 +8788,10 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_writ
 ac_cs_config='$ac_cs_config_escaped'
 ac_cs_version="\\
 nono config.status 0.0
-configured by $0, generated by GNU Autoconf 2.71,
+configured by $0, generated by GNU Autoconf 2.72,
   with options \\"\$ac_cs_config\\"
 
-Copyright (C) 2021 Free Software Foundation, Inc.
+Copyright (C) 2023 Free Software Foundation, Inc.
 This config.status script is free software; the Free Software Foundation
 gives unlimited permission to copy, distribute and modify it."
 
@@ -7529,8 +8851,8 @@ 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 \
@@ -7538,8 +8860,8 @@ 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 ;;
@@ -7588,13 +8910,9 @@ for ac_config_target in $ac_config_targe
 do
   case $ac_config_target in
     "Makefile.cfg") CONFIG_FILES="$CONFIG_FILES Makefile.cfg" ;;
-    "host/Makefile") CONFIG_FILES="$CONFIG_FILES host/Makefile" ;;
-    "wx/Makefile") CONFIG_FILES="$CONFIG_FILES wx/Makefile" ;;
-    "util/mkcgrom/Makefile") CONFIG_FILES="$CONFIG_FILES util/mkcgrom/Makefile" ;;
-    "util/viewcgrom/Makefile") CONFIG_FILES="$CONFIG_FILES util/viewcgrom/Makefile" ;;
     "config-nono.h") CONFIG_HEADERS="$CONFIG_HEADERS config-nono.h" ;;
 
-  *) as_fn_error $? "invalid argument: \`$ac_config_target'" "$LINENO" 5;;
+  *) as_fn_error $? "invalid argument: '$ac_config_target'" "$LINENO" 5;;
   esac
 done
 
@@ -7613,7 +8931,7 @@ 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'.
 $debug ||
 {
   tmp= ac_tmp=
@@ -7637,7 +8955,7 @@ ac_tmp=$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
 
 
@@ -7795,13 +9113,13 @@ 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.
 
@@ -7911,7 +9229,7 @@ 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:$ac_tag.in;;
   esac
@@ -7933,19 +9251,19 @@ do
       -) ac_f="$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 $as_me), people would be surprised to read:
     #    /* config.h.  Generated by config.status.  */
     configure_input='Generated from '`
@@ -8073,7 +9391,7 @@ cat >>$CONFIG_STATUS <<_ACEOF || ac_writ
 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 >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
@@ -8103,9 +9421,9 @@ test -z "$ac_datarootdir_hack$ac_dataroo
   { ac_out=`sed -n '/\${datarootdir}/p' "$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"