--- nono/configure	2026/04/29 17:05:26	1.1.1.15
+++ nono/configure	2026/04/29 17:05:56	1.1.1.20
@@ -640,15 +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_SOUND
+HOSTSOUND_SNDIO
+HOSTSOUND_NETBSD
+HOSTSOUND_ALSA
+LIBS_SLIRP
+CPPFLAGS_SLIRP
+HOSTNET_SLIRP
 HOSTNET_BPF
 HOSTNET_TAP
 HOSTNET_AFPACKET
@@ -722,6 +727,8 @@ ac_user_opts='
 enable_option_checking
 enable_avx2
 enable_neon
+with_libslirp
+with_alsa
 with_gui
 '
       ac_precious_vars='build_alias
@@ -1363,6 +1370,9 @@ Optional Features:
 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)
+  --with-alsa             enable ALSA support (default:yes on Linux, otherwise
+                          no)
   --without-gui           disable GUI support
 
 Some influential environment variables:
@@ -1741,6 +1751,50 @@ 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 $ac_retval
+
+} # ac_fn_cxx_try_run
 ac_configure_args_raw=
 for ac_arg
 do
@@ -4431,6 +4485,7 @@ printf %s "checking whether cc accepts -
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4438,16 +4493,21 @@ 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 case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; } ;;
+  e)
+		{ printf "%s\n" "$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
@@ -4461,6 +4521,7 @@ printf %s "checking whether cc accepts -
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4468,16 +4529,21 @@ 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 case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; } ;;
+  e)
+		{ printf "%s\n" "$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
@@ -4491,6 +4557,7 @@ printf %s "checking whether cc accepts -
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4498,16 +4565,21 @@ 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 case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; } ;;
+  e)
+		{ printf "%s\n" "$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
@@ -4521,6 +4593,7 @@ printf %s "checking whether cc accepts -
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4528,16 +4601,21 @@ 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 case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; } ;;
+  e)
+		{ printf "%s\n" "$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
@@ -4551,6 +4629,7 @@ printf %s "checking whether cc accepts -
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4558,16 +4637,21 @@ 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 case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; } ;;
+  e)
+		{ printf "%s\n" "$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
@@ -4582,6 +4666,7 @@ printf %s "checking whether cc accepts -
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4589,16 +4674,21 @@ 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 case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; } ;;
+  e)
+		{ printf "%s\n" "$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
@@ -4613,6 +4703,7 @@ printf %s "checking whether cc accepts -
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4620,16 +4711,21 @@ 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 case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; } ;;
+  e)
+		{ printf "%s\n" "$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
@@ -4644,6 +4740,7 @@ printf %s "checking whether cc accepts -
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4651,16 +4748,21 @@ 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-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		eval `echo cc_has-Wstring-conversion=yes | sed -e 's/-/_/g'`
 		WARNFLAGS_C="${WARNFLAGS_C} -Wstring-conversion"
+
 else case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; } ;;
+  e)
+		{ printf "%s\n" "$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
@@ -4674,6 +4776,7 @@ printf %s "checking whether cc accepts -
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4681,16 +4784,21 @@ 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-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		eval `echo cc_has-Wtype-limits=yes | sed -e 's/-/_/g'`
 		WARNFLAGS_C="${WARNFLAGS_C} -Wtype-limits"
+
 else case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; } ;;
+  e)
+		{ printf "%s\n" "$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
@@ -4721,6 +4829,7 @@ printf %s "checking whether c++ accepts
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4728,16 +4837,21 @@ 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 case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; } ;;
+  e)
+		{ printf "%s\n" "$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
@@ -4751,6 +4865,7 @@ printf %s "checking whether c++ accepts
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4758,16 +4873,57 @@ 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 case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; } ;;
+  e)
+		{ printf "%s\n" "$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 -Wimplicit-fallthrough" >&5
+printf %s "checking whether c++ accepts -Wimplicit-fallthrough... " >&6; }
+	old_CXXFLAGS="${CXXFLAGS}"
+	CXXFLAGS="${CXXFLAGS} -Werror -Wimplicit-fallthrough"
+	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-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+		eval `echo cxx_has-Wimplicit-fallthrough=yes | sed -e 's/-/_/g'`
+		WARNFLAGS_CXX="${WARNFLAGS_CXX} -Wimplicit-fallthrough"
+
+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.$ac_ext
@@ -4781,6 +4937,7 @@ printf %s "checking whether c++ accepts
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4788,16 +4945,21 @@ 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 case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; } ;;
+  e)
+		{ printf "%s\n" "$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
@@ -4811,6 +4973,7 @@ printf %s "checking whether c++ accepts
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4818,16 +4981,21 @@ 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 case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; } ;;
+  e)
+		{ printf "%s\n" "$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
@@ -4841,6 +5009,7 @@ printf %s "checking whether c++ accepts
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4848,16 +5017,21 @@ 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 case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; } ;;
+  e)
+		{ printf "%s\n" "$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
@@ -4871,6 +5045,7 @@ printf %s "checking whether c++ accepts
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4878,16 +5053,21 @@ 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 case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; } ;;
+  e)
+		{ printf "%s\n" "$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
@@ -4901,6 +5081,7 @@ printf %s "checking whether c++ accepts
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4908,16 +5089,21 @@ 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 case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; } ;;
+  e)
+		{ printf "%s\n" "$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
@@ -4932,6 +5118,7 @@ printf %s "checking whether c++ accepts
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4939,16 +5126,21 @@ 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 case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; } ;;
+  e)
+		{ printf "%s\n" "$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
@@ -4963,6 +5155,7 @@ printf %s "checking whether c++ accepts
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -4970,16 +5163,21 @@ 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 case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; } ;;
+  e)
+		{ printf "%s\n" "$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
@@ -4994,6 +5192,7 @@ printf %s "checking whether c++ accepts
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -5001,16 +5200,21 @@ 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-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		eval `echo cxx_has-Wstring-conversion=yes | sed -e 's/-/_/g'`
 		WARNFLAGS_CXX="${WARNFLAGS_CXX} -Wstring-conversion"
+
 else case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; } ;;
+  e)
+		{ printf "%s\n" "$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
@@ -5024,6 +5228,7 @@ printf %s "checking whether c++ accepts
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -5031,16 +5236,21 @@ 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-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		eval `echo cxx_has-Wsuggest-destructor-override=yes | sed -e 's/-/_/g'`
 		WARNFLAGS_CXX="${WARNFLAGS_CXX} -Wsuggest-destructor-override"
+
 else case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; } ;;
+  e)
+		{ printf "%s\n" "$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
@@ -5054,6 +5264,7 @@ printf %s "checking whether c++ accepts
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -5061,16 +5272,58 @@ 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 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}"
+
+# gcc14 が C++14 に対しても C++20 のエラーを出そうとする。は??
+
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether c++ accepts -Wno-template-id-cdtor" >&5
+printf %s "checking whether c++ accepts -Wno-template-id-cdtor... " >&6; }
+	old_CXXFLAGS="${CXXFLAGS}"
+	CXXFLAGS="${CXXFLAGS} -Werror -Wno-template-id-cdtor"
+	cat confdefs.h - <<_ACEOF >conftest.$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-Wno-template-id-cdtor=yes | sed -e 's/-/_/g'`
+		WARNFLAGS_CXX="${WARNFLAGS_CXX} -Wno-template-id-cdtor"
+
 else case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; } ;;
+  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.$ac_ext
@@ -5084,6 +5337,7 @@ printf %s "checking whether c++ accepts
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -5091,16 +5345,21 @@ 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-$LINENO}: result: yes" >&5
 printf "%s\n" "yes" >&6; }
 		eval `echo cxx_has-Wtype-limits=yes | sed -e 's/-/_/g'`
 		WARNFLAGS_CXX="${WARNFLAGS_CXX} -Wtype-limits"
+
 else case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; } ;;
+  e)
+		{ printf "%s\n" "$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
@@ -5114,6 +5373,7 @@ printf %s "checking whether c++ accepts
 	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+
 int
 main (void)
 {
@@ -5121,16 +5381,21 @@ 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 case e in #(
-  e) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
-printf "%s\n" "no" >&6; } ;;
+  e)
+		{ printf "%s\n" "$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
@@ -5290,6 +5555,13 @@ then :
 printf "%s\n" "#define STDC_HEADERS 1" >>confdefs.h
 
 fi
+ac_fn_cxx_check_header_compile "$LINENO" "alsa/asoundlib.h" "ac_cv_header_alsa_asoundlib_h" "$ac_includes_default"
+if test "x$ac_cv_header_alsa_asoundlib_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_ALSA_ASOUNDLIB_H 1" >>confdefs.h
+
+fi
+
 ac_fn_cxx_check_header_compile "$LINENO" "bsd/bsd.h" "ac_cv_header_bsd_bsd_h" "$ac_includes_default"
 if test "x$ac_cv_header_bsd_bsd_h" = xyes
 then :
@@ -5339,6 +5611,20 @@ then :
 
 fi
 
+ac_fn_cxx_check_header_compile "$LINENO" "sndio.h" "ac_cv_header_sndio_h" "$ac_includes_default"
+if test "x$ac_cv_header_sndio_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_SNDIO_H 1" >>confdefs.h
+
+fi
+
+ac_fn_cxx_check_header_compile "$LINENO" "sys/audioio.h" "ac_cv_header_sys_audioio_h" "$ac_includes_default"
+if test "x$ac_cv_header_sys_audioio_h" = xyes
+then :
+  printf "%s\n" "#define HAVE_SYS_AUDIOIO_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$ac_cv_header_sys_cpuset_h" = xyes
 then :
@@ -5694,6 +5980,70 @@ esac
 fi
 rm -f core conftest.err conftest.$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
+
 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for __builtin_bswap16" >&5
 printf %s "checking for __builtin_bswap16... " >&6; }
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -6472,6 +6822,49 @@ esac
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
 
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for HTOBE16" >&5
+printf %s "checking for HTOBE16... " >&6; }
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+		#if defined(HAVE_ENDIAN_H)
+		#include <endian.h>
+		#endif
+		#if defined(HAVE_SYS_ENDIAN_H)
+		#include <sys/endian.h>
+		#endif
+		#if defined(HAVE_MACHINE_ENDIAN_H)
+		#include <machine/endian.h>
+		#endif
+
+int
+main (void)
+{
+
+		uint16_t x = 0;
+		HTOBE16(x);
+
+  ;
+  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_INPLACE_HTOBE16 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_COUNT" >&5
 printf %s "checking for CPU_COUNT... " >&6; }
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
@@ -7203,11 +7596,13 @@ printf "%s\n" "yes" >&6; }
 
 		HOSTNET_AFPACKET=yes
 
+		netdriver_afpacket=yes
 
 else case e in #(
   e)
 		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
+		netdriver_afpacket=no
 	 ;;
 esac
 fi
@@ -7252,16 +7647,17 @@ printf "%s\n" "yes" >&6; }
 
 	HOSTNET_BPF=yes
 
+	netdriver_bpf=yes
 else
 	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
 printf "%s\n" "no" >&6; }
+	netdriver_bpf=no
 fi
 
 #
 # Other libraries
 #
 
-# CHECK_LIB($1=name, $2=libs, $3=include, $4=src)
 
 
 PATHS="none /usr/pkg /usr/local"
@@ -7479,6 +7875,280 @@ 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
+
+# ALSA
+case "${host_os}" in
+ linux*)
+	default_alsa=yes
+	;;
+ *)
+	default_alsa=no
+	;;
+esac
+
+# Check whether --with-alsa was given.
+if test ${with_alsa+y}
+then :
+  withval=$with_alsa; with_alsa=${withval}
+else case e in #(
+  e) with_alsa=${default_alsa} ;;
+esac
+fi
+
+sounddriver_alsa=no
+if test x"${with_alsa}" = xyes; then
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for snd_pcm_open in -lasound" >&5
+printf %s "checking for snd_pcm_open in -lasound... " >&6; }
+if test ${ac_cv_lib_asound_snd_pcm_open+y}
+then :
+  printf %s "(cached) " >&6
+else case e in #(
+  e) ac_check_lib_save_LIBS=$LIBS
+LIBS="-lasound  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+namespace conftest {
+  extern "C" int snd_pcm_open ();
+}
+int
+main (void)
+{
+return conftest::snd_pcm_open ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_link "$LINENO"
+then :
+  ac_cv_lib_asound_snd_pcm_open=yes
+else case e in #(
+  e) ac_cv_lib_asound_snd_pcm_open=no ;;
+esac
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS ;;
+esac
+fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_asound_snd_pcm_open" >&5
+printf "%s\n" "$ac_cv_lib_asound_snd_pcm_open" >&6; }
+if test "x$ac_cv_lib_asound_snd_pcm_open" = xyes
+then :
+  has_asound=yes
+else case e in #(
+  e) has_asound=no ;;
+esac
+fi
+
+	if test x"${ac_cv_header_alsa_asoundlib_h}" = xyes -a \
+	        x"${ac_cv_lib_asound_snd_pcm_open}" = xyes; then
+		printf "%s\n" "#define HAVE_HOSTSOUND_ALSA 1" >>confdefs.h
+
+		HOSTSOUND_ALSA=yes
+
+		LIBS_SOUND="${LIBS_SOUND} -lasound"
+		sounddriver_alsa=yes
+	else
+		as_fn_error $? "*** <alsa/asoundlib.h> or libasound not found.
+*** If you use Ubuntu, sudo apt install libasound2-dev.
+*** Or specify --without-alsa (it disables hostsound-driver=alsa)." "$LINENO" 5
+	fi
+fi
+
+# NetBSD audio
+if test x"${ac_cv_header_sys_audioio_h}" = xyes; then
+	{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for AUDIO_GETINFO" >&5
+printf %s "checking for AUDIO_GETINFO... " >&6; }
+	cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+		#include <sys/ioctl.h>
+		#include <sys/audioio.h>
+		#include <unistd.h>
+
+int
+main (void)
+{
+
+		struct audio_info info;
+		AUDIO_INITINFO(&info);
+		ioctl(0, AUDIO_GETINFO, &info);
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_compile "$LINENO"
+then :
+
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+		printf "%s\n" "#define HAVE_HOSTSOUND_NETBSD 1" >>confdefs.h
+
+		HOSTSOUND_NETBSD=yes
+
+		sounddriver_netbsd=yes
+
+else case e in #(
+  e)
+		{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+		sounddriver_netbsd=no
+	 ;;
+esac
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+# OpenBSD sndio
+if test x"${ac_cv_header_sndio_h}" = xyes; then
+	printf "%s\n" "#define HAVE_HOSTSOUND_SNDIO 1" >>confdefs.h
+
+	HOSTSOUND_SNDIO=yes
+
+	LIBS_SOUND="${LIBS_SOUND} -lsndio"
+	sounddriver_sndio=yes
+else
+	sounddriver_sndio=no
+fi
+
+LIBS_SOUND=${LIBS_SOUND}
+
+
 # wxWidgets
 
 # Check whether --with-gui was given.
@@ -7526,22 +8196,62 @@ 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
 
+				{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether wx-config requires -Wl,-R" >&5
+printf %s "checking whether wx-config requires -Wl,-R... " >&6; }
+		old_CPPFLAGS="${CPPFLAGS}"
+		old_LIBS="${LIBS}"
+		CPPFLAGS="${CPPFLAGS} ${wxcppflags}"
+		LIBS="${LIBS} ${wxlibs}"
+		if test "$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.$ac_ext
+/* end confdefs.h.  */
+
+			#include <wx/wx.h>
+			int main() {
+				wxInitializer init;
+				return !init;
+			}
+
+_ACEOF
+if ac_fn_cxx_try_run "$LINENO"
+then :
+
+						{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5
+printf "%s\n" "no" >&6; }
+
+else case e in #(
+  e)
+			{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5
+printf "%s\n" "yes" >&6; }
+			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.$ac_ext ;;
+esac
+fi
+
+		CPPFLAGS="${old_CPPFLAGS}"
+		LIBS="${old_LIBS}"
+
 		WITH_GUI=yes
 
-		WXWIDGETS_CPPFLAGS=$wxcppflags
+		CPPFLAGS_WXWIDGETS=$wxcppflags
 
-		WXWIDGETS_LIBS=$wxlibs
+		LIBS_WXWIDGETS=$wxlibs
 
 	fi
 
@@ -7664,30 +8374,20 @@ else case e in #(
 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-$LINENO}: checking for libiconv" >&5
 printf %s "checking for libiconv... " >&6; }
+	old_CPPFLAGS=${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.$ac_ext
@@ -7709,6 +8409,44 @@ if ac_fn_cxx_try_link "$LINENO"
 then :
 
 			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.$ac_ext
+/* end confdefs.h.  */
+
+
+	#include <iconv.h>
+
+				int main() {
+
+	iconv_open("", "");
+;
+					return 0;
+				}
+
+_ACEOF
+if ac_fn_cxx_try_run "$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 #(
@@ -7719,23 +8457,29 @@ 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_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=${CPPFLAGS_libiconv}
+
+LIBS_ICONV=${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.  */
 
@@ -7771,14 +8515,7 @@ rm -f core conftest.err conftest.$ac_obj
 	CPPFLAGS="${old_CPPFLAGS}"
 fi
 
-iconv_CPPFLAGS=${CPPFLAGS}
-iconv_LIBS=${LIBS}
-ICONV_CPPFLAGS=${iconv_CPPFLAGS}
-
-ICONV_LIBS=${iconv_LIBS}
-
-
-ac_config_files="$ac_config_files Makefile.cfg host/Makefile wx/Makefile util/mkcgrom/Makefile util/ttfext/Makefile util/viewcgrom/Makefile"
+ac_config_files="$ac_config_files Makefile.cfg"
 
 ac_config_headers="$ac_config_headers config-nono.h"
 
@@ -8471,11 +9208,6 @@ 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="$CONFIG_FILES util/mkcgrom/Makefile" ;;
-    "util/ttfext/Makefile") CONFIG_FILES="$CONFIG_FILES util/ttfext/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'" "$LINENO" 5;;
@@ -9064,3 +9796,32 @@ printf "%s\n" "$as_me: WARNING: unrecogn
 fi
 
 
+# サマリを表示
+echo ""
+echo "Configuration summary:"
+echo -n "HostNet supports:			"
+if test x"$netdriver_afpacket" = xyes; then
+	echo -n " afpacket"
+fi
+if test x"$netdriver_bpf" = xyes; then
+	echo -n " bpf"
+fi
+if test x"$has_libslirp" = xyes; then
+	echo -n " slirp"
+fi
+if test x"$netdriver_tap" = xyes; then
+	echo -n " tap"
+fi
+echo ""
+echo -n "HostSound supports:			"
+if test x"$sounddriver_alsa" = xyes; then
+	echo -n " alsa"
+fi
+if test x"$sounddriver_netbsd" = xyes; then
+	echo -n " netbsd"
+fi
+if test x"$sounddriver_sndio" = xyes; then
+	echo -n " sndio"
+fi
+echo ""
+