Adding upstream version 0.5.1upstream/0.5.1

1 files changed, 843 insertions, 0 deletions

diff --git a/acinclude.m4 b/acinclude.m4
new file mode 100644
index 0000000..dfa9692
--- /dev/null
+++ b/acinclude.m4
@@ -0,0 +1,843 @@
+dnl w3m autoconf macros
+#
+# ----------------------------------------------------------------
+# AC_W3M_VERSION
+# ----------------------------------------------------------------
+AC_DEFUN([AC_W3M_VERSION],
+[AC_SUBST(CURRENT_VERSION)
+ cvsver=`$AWK '\$[1] ~ /Id:/ { print \$[3]}' $srcdir/ChangeLog`
+ sed -e 's/define CURRENT_VERSION "\(.*\)+cvs/define CURRENT_VERSION "\1+cvs-'$cvsver'/' $srcdir/version.c.in > version.c
+ CURRENT_VERSION=`sed -n 's/.*define CURRENT_VERSION *"w3m\/\(.*\)".*$/\1/p' version.c`])
+#
+# ----------------------------------------------------------------
+# AC_W3M_COLOR
+# ----------------------------------------------------------------
+AC_DEFUN([AC_W3M_COLOR],
+[AC_SUBST(USE_COLOR)
+AC_MSG_CHECKING(if color escape sequence for kterm/pxvt is enabled)
+AC_ARG_ENABLE(color,
+ [  --disable-color		disable color for vt100 terminal],,
+ [enable_color="yes"])
+test x"$enable_color" = xyes && AC_DEFINE(USE_COLOR)
+AC_MSG_RESULT($enable_color)])
+#
+# ----------------------------------------------------------------
+# AC_W3M_ANSI_COLOR
+# ----------------------------------------------------------------
+AC_DEFUN([AC_W3M_ANSI_COLOR],
+[AC_SUBST(USE_ANSI_COLOR)
+AC_MSG_CHECKING(if ansi color escape sequence support is enabled)
+AC_ARG_ENABLE(ansi_color,
+ [   --disable-ansi-color		disable ansi color escape sequence],,
+ [enable_ansi_color="$enable_color"])
+ test x"$enable_ansi_color" = xyes && AC_DEFINE(USE_ANSI_COLOR)
+ AC_MSG_RESULT($enable_ansi_color)])
+#
+# ----------------------------------------------------------------
+# AC_W3M_BG_COLOR
+# ----------------------------------------------------------------
+AC_DEFUN([AC_W3M_BG_COLOR],
+[AC_SUBST(USE_BG_COLOR)
+AC_MSG_CHECKING(if background color support is enabled)
+AC_ARG_ENABLE(bgcolor,
+ [   --disable-bgcolor		disable to set background color],,
+ [enable_bgcolor="$enable_color"])
+ test x"$enable_bgcolor" = xyes && AC_DEFINE(USE_BG_COLOR)
+AC_MSG_RESULT($enable_bgcolor)])
+#
+# ----------------------------------------------------------------
+# AC_W3M_MENU
+# ----------------------------------------------------------------
+AC_DEFUN([AC_W3M_MENU],
+[AC_SUBST(USE_MENU)
+AC_MSG_CHECKING(if popup menu is enabled)
+AC_ARG_ENABLE(menu,
+ [  --disable-menu		disable popup menu],,
+ [enable_menu="yes"])
+ test x"$enable_menu" = xyes && AC_DEFINE(USE_MENU)
+ AC_MSG_RESULT($enable_menu)])
+#
+# ----------------------------------------------------------------
+# AC_W3M_MOUSE
+# ----------------------------------------------------------------
+AC_DEFUN([AC_W3M_MOUSE],
+[AC_SUBST(USE_MOUSE)
+AC_MSG_CHECKING(if mouse operation enabled)
+AC_ARG_ENABLE(mouse,
+ [  --disable-mouse		disable mouse operation],,
+ [enable_mouse="yes"])
+test x"$enable_mouse" = xyes && AC_DEFINE(USE_MOUSE)
+AC_MSG_RESULT($enable_mouse)])
+#
+# ----------------------------------------------------------------
+# AC_W3M_COOKIE
+# ----------------------------------------------------------------
+AC_DEFUN([AC_W3M_COOKIE],
+[AC_SUBST(USE_COOKIE)
+AC_MSG_CHECKING(if cookie is enabled)
+AC_ARG_ENABLE(cookie,
+ [  --disable-cookie		disable cookie],,
+ [enable_cookie="yes"])
+test x"$enable_cookie" = xyes && AC_DEFINE(USE_COOKIE)
+AC_MSG_RESULT($enable_cookie)])
+#
+# ----------------------------------------------------------------
+# AC_W3M_DICT
+# ----------------------------------------------------------------
+AC_DEFUN([AC_W3M_DICT],
+[AC_SUBST(USE_DICT)
+AC_MSG_CHECKING(if dictionary lookup is enabled)
+AC_ARG_ENABLE(dict,
+ [  --disable-dict		disable dictionary lookup (see README.dict)],,
+ [enable_dict="yes"])
+ test x"$enable_dict" = xyes && AC_DEFINE(USE_DICT)
+ AC_MSG_RESULT($enable_dict)])
+#
+# ----------------------------------------------------------------
+# AC_W3M_HISTORY
+# ----------------------------------------------------------------
+AC_DEFUN([AC_W3M_HISTORY],
+[AC_SUBST(USE_HISTORY)
+AC_MSG_CHECKING(if URL history is enabled)
+AC_ARG_ENABLE(history,
+ [  --disable-history		disable URL history],,
+ [enable_history="yes"])
+ test x"$enable_history" = xyes && AC_DEFINE(USE_HISTORY)
+ AC_MSG_RESULT($enable_history)])
+#
+# ----------------------------------------------------------------
+# AC_W3M_NNTP
+# ----------------------------------------------------------------
+AC_DEFUN([AC_W3M_NNTP],
+[AC_SUBST(USE_NNTP)
+ AC_MSG_CHECKING(if nntp is enabled)
+ AC_ARG_ENABLE(nntp,
+  [  --disable-nntp		disable NNTP],,
+  [enable_nntp="yes"])
+ test x"$enable_nntp" = xyes && AC_DEFINE(USE_NNTP)
+ AC_MSG_RESULT($enable_nntp)])
+# 
+# ----------------------------------------------------------------
+# AC_W3M_GOPHER
+# ----------------------------------------------------------------
+AC_DEFUN([AC_W3M_GOPHER],
+[AC_SUBST(USE_GOPHER)
+ AC_MSG_CHECKING(if gopher is enabled)
+ AC_ARG_ENABLE(gopher,
+  [  --enable-gopher		enable GOPHER],,
+  [enable_gopher="no"])
+ test x"$enable_gopher" = xyes &&  AC_DEFINE(USE_GOPHER)
+ AC_MSG_RESULT($enable_gopher)])
+#
+# ----------------------------------------------------------------
+# AC_W3M_M17N
+# ----------------------------------------------------------------
+# m17n enable?
+AC_DEFUN([AC_W3M_M17N],
+[AC_SUBST(USE_M17N)
+AC_SUBST(USE_UNICODE)
+AC_SUBST(WCTARGET)
+AC_SUBST(WCCFLAGS)
+AC_SUBST(DISPLAY_CHARSET)
+AC_SUBST(SYSTEM_CHARSET)
+AC_SUBST(DOCUMENT_CHARSET)
+AC_SUBST(POSUBST)
+AC_SUBST(POLANG)
+WCTARGET=""; WCCFLAGS=""; wcinclude=""; wclib=""
+AC_MSG_CHECKING(if m17n support is enabled)
+AC_ARG_ENABLE(m17n,
+ [  --disable-m17n		do not use m17n],,
+ [enable_m17n="yes"])
+AC_MSG_RESULT($enable_m17n)
+if test x"$enable_m17n" = xno; then
+  w3m_lang="en"
+  WCTARGET=""
+  WCCFLAGS=""
+  wcinclude=""
+  wclib=""
+  display_charset='WC_CES_US_ASCII'
+  system_charset='WC_CES_US_ASCII'
+  document_charset='WC_CES_US_ASCII'
+else
+ AC_DEFINE(USE_M17N)
+ WCTARGET="libwc/libwc.a"
+ WCCFLAGS='-I$(srcdir) -I$(srcdir)/..'
+ wcinclude='-I$(srcdir)/libwc'
+ wclib="-L./libwc -lwc"
+ AC_MSG_CHECKING(if unicode support is enabled)
+ AC_ARG_ENABLE(unicode,
+  [   --disable-unicode		do not use unicode],,
+  [enable_unicode="yes"])
+ AC_MSG_RESULT($enable_unicode)
+ if test x"$enable_m17n" = xyes; then
+  charset=US-ASCII
+ else
+  charset=$enable_m17n
+ fi
+ if test x"$enable_unicode" = xyes; then
+    WCCFLAGS="-DUSE_UNICODE $WCCFLAGS"
+    if test x"$charset" = xUS-ASCII; then
+     charset=UTF-8
+    fi
+    AC_DEFINE(USE_UNICODE)
+ fi
+ AC_MSG_CHECKING(if message l10n)
+ AC_ARG_ENABLE(messagel10n,
+   [   --enable-messagel10n=LL	message l10n instead of NLS],,
+   [enable_messagel10n="no"])
+ if test x$enable_messagel10n = xyes; then
+  enable_messagel10n="ja";
+ fi
+ AC_MSG_RESULT($enable_messagel10n)
+ if test x$enable_messagel10n = xno; then
+    :
+ else
+    POSUBST="\$(top_srcdir)/posubst"
+    POLANG="$enable_messagel10n"
+ fi
+ AC_MSG_CHECKING(if japanese support is enabled)
+ AC_ARG_ENABLE(japanese,
+   [   --enable-japanese=CODE	support Japanese CODE=(S|E|J|U)],,
+   [enable_japanese="no"])
+ AC_MSG_RESULT($enable_japanese)
+ if test x"$enable_japanese" = xno; then
+   w3m_lang="en"
+ else
+   w3m_lang="ja"
+   case "$enable_japanese" in
+   E*) charset=EUC-JP;;
+   S*) charset=Shift_JIS;;
+   J*) charset=ISO-2022-JP;;
+   U*) charset=UTF-8;;
+   esac 
+ fi
+ display_charset=$charset
+ AC_MSG_CHECKING(which charset is used for display)
+ AC_ARG_WITH(charset,
+  [  --with-charset=CHARSET],
+  [test x"with_charset" = xyes || display_charset="$with_charset"])
+ AC_MSG_RESULT($display_charset)
+ display_charset=`awk '$[1] == "'$display_charset'" {print $[2]}' $srcdir/charset-list`
+ case "$display_charset" in
+   WC_CES_ISO_2022_JP*)
+     system_charset=WC_CES_EUC_JP
+     document_charset=WC_CES_EUC_JP
+     ;;
+   WC_CES_SHIFT_JIS)
+     system_charset=$display_charset
+     # for auto-detect
+     document_charset=WC_CES_EUC_JP
+     ;;
+   WC_CES_ISO_2022_CN|WC_CES_HZ_GB_2312)
+     system_charset=WC_CES_EUC_CN
+     document_charset=WC_CES_EUC_CN
+     ;;
+   WC_CES_BIG5)
+     system_charset=$display_charset
+     # for auto-detect
+     document_charset=WC_CES_EUC_TW
+     ;;
+  WC_CES_ISO_2022_KR)
+     system_charset=WC_CES_EUC_KR
+     document_charset=WC_CES_EUC_KR
+     ;;
+  *)
+     system_charset=$display_charset
+     document_charset=$display_charset
+     ;;
+ esac
+fi
+W3M_LANGDEF=`echo $w3m_lang | tr 'a-z' 'A-Z'`
+W3M_LANG=$W3M_LANGDEF
+AC_DEFINE_UNQUOTED(W3M_LANG, $W3M_LANG)
+AC_DEFINE_UNQUOTED(WCTARGET, "$WCTARGET")
+AC_DEFINE_UNQUOTED(WCCFLAGS, "$WCCFLAGS")
+CFLAGS="$CFLAGS $wcinclude"
+W3M_LIBS="$W3M_LIBS $wclib"
+AC_DEFINE_UNQUOTED(DISPLAY_CHARSET, $display_charset)
+AC_DEFINE_UNQUOTED(SYSTEM_CHARSET, $system_charset)
+AC_DEFINE_UNQUOTED(DOCUMENT_CHARSET, $document_charset)])
+#
+# ----------------------------------------------------------------
+# AC_W3M_KEYMAP
+# ----------------------------------------------------------------
+AC_DEFUN([AC_W3M_KEYMAP],
+[AC_SUBST(KEYMAP_FILE)
+ AC_MSG_CHECKING(default keymap)
+ AC_ARG_ENABLE(keymap,
+  [  --enable-keymap[=w3m|lynx]	default keybind style(w3m or lynx)],,
+  [enable_keymap="w3m"])
+ AC_MSG_RESULT($enable_keymap)
+ case x"$enable_keymap" in
+ xw3m)
+  KEYMAP_FILE="keybind";;
+ xlynx)
+  KEYMAP_FILE="keybind_lynx";;
+ *)
+  AC_MSG_ERROR([keymap should be either w3m or lynx.]);;
+ esac
+ AC_SUBST(HELP_FILE)
+ HELP_FILE=w3mhelp-${enable_keymap}_$w3m_lang.html
+ AC_DEFINE_UNQUOTED(HELP_FILE, "$HELP_FILE")
+ AC_SUBST(KEYBIND)
+ AC_DEFINE_UNQUOTED(KEYBIND, $enable_keymap)])
+#
+# ----------------------------------------------------------------
+# AC_W3M_DIGEST_AUTH
+# ----------------------------------------------------------------
+AC_DEFUN([AC_W3M_DIGEST_AUTH],
+[AC_SUBST(USE_DIGEST_AUTH)
+ AC_MSG_CHECKING(if digest auth is enabled)
+ AC_ARG_ENABLE(digest_auth,
+ [  --disable-digest-auth		disable digest auth],,
+ [enable_digest_auth="yes"])
+ test x"$enable_digest_auth" = xyes && AC_DEFINE(USE_DIGEST_AUTH)
+ AC_MSG_RESULT($enable_digest_auth)])
+#
+# ----------------------------------------------------------------
+# AC_W3M_MIGEMO
+# ----------------------------------------------------------------
+AC_DEFUN([AC_W3M_MIGEMO],
+[AC_SUBST(USE_MIGEMO)
+ AC_SUBST(DEF_MIGEMO_COMMAND)
+ migemo_command="migemo -t egrep /usr/local/share/migemo/migemo-dict"
+ AC_MSG_CHECKING(if migemo is supported with)
+ AC_ARG_WITH(migemo,
+  [  --with-migemo=MIGEMO_COMMAND	migemo command],
+  [test x"$with_migemo" = xyes || migemo_command="$with_migemo"])
+ if test "${with_migemo+set}" = set -a "$with_migemo" != "no"; then
+   AC_DEFINE(USE_MIGEMO)
+ fi
+ AC_MSG_RESULT($migemo_command)
+ AC_DEFINE_UNQUOTED(DEF_MIGEMO_COMMAND, "$migemo_command")])
+#
+# ----------------------------------------------------------------
+# AC_W3M_EDITOR
+# ----------------------------------------------------------------
+AC_DEFUN([AC_W3M_EDITOR],
+[AC_SUBST(DEF_EDITOR)
+w3m_editor="/usr/bin/vi"
+AC_MSG_CHECKING(which editor is used by default)
+AC_ARG_WITH(editor,
+ [  --with-editor=EDITOR		default editor (/usr/bin/vi)],
+ [w3m_editor="$with_editor"])
+AC_MSG_RESULT($w3m_editor)
+AC_DEFINE_UNQUOTED(DEF_EDITOR, "$w3m_editor")])
+#
+# ----------------------------------------------------------------
+# AC_W3M_MAILER
+# ----------------------------------------------------------------
+AC_DEFUN([AC_W3M_MAILER],
+[AC_SUBST(DEF_MAILER)
+w3m_mailer="/usr/bin/mail"
+AC_MSG_CHECKING(which mailer is used by default)
+AC_ARG_WITH(mailer,
+ [  --with-mailer=MAILER		default mailer (/usr/bin/mail)],
+ [w3m_mailer="$with_mailer"])
+AC_MSG_RESULT($w3m_mailer)
+AC_DEFINE_UNQUOTED(DEF_MAILER, "$w3m_mailer")])
+#
+# ----------------------------------------------------------------
+# AC_W3M_EXT_BROWSER
+# ----------------------------------------------------------------
+AC_DEFUN([AC_W3M_EXT_BROWSER],
+[AC_SUBST(DEF_EXT_BROWSER)
+w3m_browser="/usr/bin/mozilla"
+AC_MSG_CHECKING(which external browser is used by default)
+AC_ARG_WITH(browser,
+ [  --with-browser=BROWSER	default browser (/usr/bin/mozilla)],
+ [w3m_browser="$with_browser"])
+AC_MSG_RESULT($w3m_browser)
+AC_DEFINE_UNQUOTED(DEF_EXT_BROWSER, "$w3m_browser")])
+#
+# ----------------------------------------------------------------
+# AC_W3M_HELP_CGI
+# ----------------------------------------------------------------
+AC_DEFUN([AC_W3M_HELP_CGI],
+[AC_SUBST(USE_HELP_CGI)
+ AC_MSG_CHECKING(if help cgi is enabled)
+ AC_ARG_ENABLE(help_cgi,
+  [  --disable-help-cgi		disable help cgi],,
+  [enable_help_cgi="yes"])
+ test x"$enable_help_cgi" = xyes && AC_DEFINE(USE_HELP_CGI)
+ AC_MSG_RESULT($enable_help_cgi)])
+# 
+# ----------------------------------------------------------------
+# AC_W3M_EXTERNAL_URI_LOADER
+# ----------------------------------------------------------------
+AC_DEFUN([AC_W3M_EXTERNAL_URI_LOADER],
+[AC_SUBST(USE_EXTERNAL_URI_LOADER)
+ AC_MSG_CHECKING(if external URI loader is enabled)
+ AC_ARG_ENABLE(external_uri_loader,
+ [  --disable-external-uri-loader	disable external URI loader],,
+ [enable_external_uri_loader="yes"])
+ test x"$enable_external_uri_loader" = xyes && AC_DEFINE(USE_EXTERNAL_URI_LOADER)
+ AC_MSG_RESULT($enable_external_uri_loader)])
+# 
+# ----------------------------------------------------------------
+# AC_W3M_W3MMAILER
+# ----------------------------------------------------------------
+AC_DEFUN([AC_W3M_W3MMAILER],
+[AC_SUBST(USE_W3MMAILER)
+ AC_MSG_CHECKING(if w3mmail is used)
+ AC_ARG_ENABLE(w3mmailer,
+ [   --disable-w3mmailer		disable w3mmailer],,
+ [enable_w3mmailer="$enable_external_uri_loader"])
+ test x"$enable_external_uri_loader" = xno && enable_w3mmailer=no
+ test x"$enable_w3mmailer" = xyes && AC_DEFINE(USE_W3MMAILER)
+ AC_MSG_RESULT($enable_w3mmailer)])
+#
+# ----------------------------------------------------------------
+# AC_W3M_EXTLIBS(libs)
+# ----------------------------------------------------------------
+AC_DEFUN([AC_W3M_EXTLIBS],
+[lib=$1
+ AC_MSG_CHECKING(for -l$lib)
+ extlib="not found"
+ for dir in /lib /usr/lib /usr/local/lib /usr/ucblib /usr/ccslib /usr/ccs/lib
+ do
+   if test -f $dir/lib$lib.a -o -f $dir/lib$lib.so ; then 
+    LIBS="$LIBS -l$lib"
+    extlib="found at $dir"
+    break
+   fi
+ done
+ AC_MSG_RESULT($extlib)])
+#
+# ----------------------------------------------------------------
+# AC_W3M_TERMLIB
+# ----------------------------------------------------------------
+AC_DEFUN([AC_W3M_TERMLIB],
+[AC_MSG_CHECKING(terminal library)
+AC_ARG_WITH(termlib,
+ [  --with-termlib[=LIBS]		terminal library
+				LIBS is space separated list of:
+				  terminfo mytinfo termcap ncurses curses],,
+ [with_termlib="yes"])
+ AC_MSG_RESULT($with_termlib)
+ test x"$with_termlib" = xyes && with_termlib="terminfo mytinfo termlib termcap ncurses curses"
+ for lib in $with_termlib; do
+   AC_CHECK_LIB($lib, tgetent, [W3M_LIBS="$W3M_LIBS -l$lib"; break])
+ done
+])
+#
+# ----------------------------------------------------------------
+# AC_W3M_GC
+# ----------------------------------------------------------------
+AC_DEFUN([AC_W3M_GC],
+[AC_MSG_CHECKING(GC library exists)
+AC_ARG_WITH(gc,
+ [  --with-gc[=PREFIX]	  	libgc PREFIX],
+ [test x"$with_gc" = xno && AC_MSG_ERROR([You can not build w3m without gc])],
+ [with_gc="yes"])
+ AC_MSG_RESULT($with_gc)
+ test x"$with_gc" = xyes && with_gc="/usr /usr/local ${HOME}"
+ unset ac_cv_header_gc_h
+ AC_CHECK_HEADER(gc.h)
+ if test x"$ac_cv_header_gc_h" = xno; then
+   AC_MSG_CHECKING(GC header location)
+   AC_MSG_RESULT($with_gc)
+   gcincludedir=no
+   for dir in $with_gc; do
+     for inc in include include/gc; do
+       cppflags="$CPPFLAGS"
+       CPPFLAGS="$CPPFLAGS -I$dir/$inc"
+       AC_MSG_CHECKING($dir/$inc)
+       unset ac_cv_header_gc_h
+       AC_CHECK_HEADER(gc.h, [gcincludedir="$dir/$inc"; CFLAGS="$CFLAGS -I$dir/$inc"; break])
+       CPPFLAGS="$cppflags"
+     done
+     if test x"$gcincludedir" != xno; then
+       break;
+     fi
+   done
+   if test x"$gcincludedir" = xno; then
+     AC_MSG_ERROR([gc.h not found])
+   fi
+ fi
+ unset ac_cv_lib_gc_GC_init
+ AC_CHECK_LIB(gc, GC_init, [LIBS="$LIBS -lgc"])
+ if test x"$ac_cv_lib_gc_GC_init" = xno; then
+    AC_MSG_CHECKING(GC library location)
+    AC_MSG_RESULT($with_gc)
+    gclibdir=no
+    for dir in $with_gc; do
+      ldflags="$LDFLAGS"
+      LDFLAGS="$LDFLAGS -L$dir/lib"
+      AC_MSG_CHECKING($dir)
+      unset ac_cv_lib_gc_GC_init
+      AC_CHECK_LIB(gc, GC_init, [gclibdir="$dir/lib"; LIBS="$LIBS -L$dir/lib -lgc"; break])
+      LDFLAGS="$ldflags"
+    done
+    if test x"$gclibdir" = xno; then
+      AC_MSG_ERROR([libgc not found])
+    fi
+ fi])
+#
+# ----------------------------------------------------------------
+# AC_W3M_SSL
+# ----------------------------------------------------------------
+AC_DEFUN([AC_W3M_SSL],
+[AC_SUBST(USE_SSL)
+AC_SUBST(USE_SSL_VERIFY)
+AC_MSG_CHECKING(if SSL is suported)
+AC_ARG_WITH(ssl,
+ [  --with-ssl[=PREFIX]		support https protocol],,
+ [with_ssl="yes"])
+AC_MSG_RESULT($with_ssl)
+if test x"$with_ssl" != xno; then
+  AC_DEFINE(USE_SSL)
+  PKG_CHECK_MODULES(SSL, openssl,,[
+    AC_MSG_CHECKING(for SSL library/header)
+    test x"$with_ssl" = xyes && with_ssl="/usr/openssl /usr/ssl /usr /usr/local/openssl /usr/local/ssl /usr/local"
+    AC_MSG_RESULT($with_ssl)
+    for dir in $with_ssl
+    do
+       if test -f "$dir/include/openssl/ssl.h"; then
+          SSL_CFLAGS="$SSL_CFLAGS -I$dir/include/openssl"
+          if test "$dir" != "/usr"; then
+             SSL_CFLAGS="$SSL_CFLAGS -I$dir/include"
+          fi
+       elif test "$dir" != "/usr" -a -f "$dir/include/ssl.h"; then
+          SSL_CFLAGS="$SSL_CFLAGS -I$dir/include"
+       fi
+       if test "$dir" != "/usr" -a -f "$dir/lib/libssl.a"; then
+	  SSL_LIBS="$SSL_LIBS -L$dir/lib"
+       fi
+    done
+  ])
+  AC_CHECK_LIB(ssl, SSL_new,
+	[w3m_ssl="found"; CFLAGS="$CFLAGS $SSL_CFLAGS" W3M_LIBS="$W3M_LIBS $SSL_LIBS -lssl -lcrypto"],
+	[w3m_ssl="not found"],
+	[$SSL_LIBS -lcrypto])
+
+  if test x"$w3m_ssl" = xfound; then
+    AC_MSG_CHECKING(if SSL certificate verify is enabled)
+    AC_ARG_ENABLE(sslverify,
+      [   --disable-sslverify		verify SSL certificate],,
+      [enable_sslverify="yes"])
+    test x"$enable_sslverify" = xyes && AC_DEFINE(USE_SSL_VERIFY)
+    AC_MSG_RESULT($enable_sslverify)
+  fi
+fi])
+#
+# ----------------------------------------------------------------
+# AC_W3M_ALARM
+# ----------------------------------------------------------------
+AC_DEFUN([AC_W3M_ALARM],
+[AC_SUBST(USE_ALARM)
+ AC_MSG_CHECKING(if alarm is enabled)
+ AC_ARG_ENABLE(alarm,
+ [  --disable-alarm		disable alarm],,
+ [enable_alarm="yes"])
+ AC_MSG_RESULT($enable_alarm)
+ if test x"$enable_alarm" = xyes; then
+   AC_TRY_COMPILE(
+    [#include <unistd.h>
+#include <signal.h>],
+    [int sa = SIGALRM;
+     void (*a) = alarm;],
+   [AC_DEFINE(USE_ALARM)])
+ fi])
+#
+# ----------------------------------------------------------------
+# AC_W3M_CHECK_VER(name, version, major, minor, micro, 
+#		action-if-ok, message-if-badver, action-if-nover)
+# ----------------------------------------------------------------
+AC_DEFUN([AC_W3M_CHECK_VER],
+[version="$2"
+ if test x"$version" != x; then
+   AC_MSG_CHECKING($1 version)
+   AC_MSG_RESULT($version)
+   set -- `echo "$version" | sed 's/[[^0-9]]/ /g'`
+   if test "$[1]" -ne "$3" -o "$[2]" -lt "$4" || test "$[2]" -eq "$4" -a "$[3]" -lt "$5"; then
+     AC_MSG_WARN([$1 is too old. Install $1 (version >= $3.$4.$5)])
+     $7
+   else
+     $6
+   fi
+ else
+   AC_MSG_WARN([$1 is not installed.  Install $1 (version >= $3.$4.$5)])
+   $7
+ fi])
+#
+# ----------------------------------------------------------------
+# AC_W3M_IMAGE
+# ----------------------------------------------------------------
+AC_DEFUN([AC_W3M_IMAGE],
+[AC_SUBST(USE_IMAGE)
+ AC_SUBST(USE_W3MIMG_X11)
+ AC_SUBST(USE_W3MIMG_FB)
+ AC_SUBST(W3MIMGDISPLAY_SETUID)
+ AC_SUBST(INSTALL_W3MIMGDISPLAY)
+ INSTALL_W3MIMGDISPLAY='${INSTALL_PROGRAM}'
+ AC_DEFINE(INSTALL_W3MIMGDISPLAY, $INSTALL_W3MIMGDISPLAY)
+ AC_SUBST(USE_GDKPIXBUF)
+ AC_SUBST(USE_IMLIB)
+ AC_SUBST(USE_IMLIB2)
+ AC_SUBST(IMGTARGETS)
+ AC_SUBST(IMGOBJS)
+ AC_SUBST(IMGX11CFLAGS)
+ AC_SUBST(IMGX11LDFLAGS)
+ AC_SUBST(IMGFBCFLAGS)
+ AC_SUBST(IMGFBLDFLAGS)
+ AC_MSG_CHECKING(if image is enabled)
+ AC_ARG_ENABLE(image,
+ [  --enable-image[=DEVS]		enable inline image handler for DEVS
+				 DEVS may be comma separeted: x11,fb,fb+s
+				 default: autodetected.
+				 'no' means disable inline image],,
+ [enable_image="yes"])
+ AC_MSG_RESULT($enable_image)
+ if test x"$enable_image" != xno; then
+  IMGOBJS=w3mimg.o
+  if test x"$enable_image" = xyes; then
+    enable_image=x11
+    case "`uname -s`" in
+    Linux|linux|LINUX) 
+	if test -c /dev/fb0; then
+	  enable_image=x11,fb
+        fi;;
+    esac
+  fi   
+  save_ifs="$IFS"; IFS=",";
+  for img in $enable_image; do
+    case $img in
+      x11) x11=yes;;
+      fb)  fb=yes;;
+      fb+s) fb=yes
+           AC_DEFINE(W3MIMGDISPLAY_SETUID)
+           INSTALL_W3MIMGDISPLAY='${INSTALL} -o root -m 4755 -s'
+           AC_DEFINE(INSTALL_W3MIMGDISPLAY, $INSTALL_W3MIMGDISPLAY);;
+    esac
+  done
+  IFS="$save_ifs"
+  enable_image=yes
+  AC_DEFINE(USE_IMAGE)
+  AC_MSG_CHECKING(image library)
+  AC_ARG_WITH(imagelib,
+   [  --with-imagelib=IMAGELIBS		image library
+				 IMAGELIBS may be space separeted list of: 
+				    gdk-pixbuf imlib imlib2],,
+
+   [with_imagelib="yes"])
+  if test x"$with_imagelib" = xyes; then
+    with_imagelib="gdk-pixbuf imlib imlib2"
+  fi
+  AC_MSG_RESULT($with_imagelib)
+  with_imlib=no
+  with_imlib2=no
+  with_gdkpixbuf=no
+  for imagelib in $with_imagelib
+  do
+   case "$imagelib" in
+   imlib)
+     with_imlib="yes"
+     if test x"$IMLIB_CONFIG" = x; then
+       IMLIB_CONFIG=imlib-config
+     fi;;
+   imlib2)
+     with_imlib2="yes"
+     if test x"$IMLIB2_CONFIG" = x; then
+       IMLIB2_CONFIG=imlib2-config
+     fi;;
+   gdk-pixbuf)
+     with_gdkpixbuf="yes"
+     if test x"$GDKPIXBUF_CONFIG" = x; then
+       GDKPIXBUF_CONFIG=gdk-pixbuf-config
+     fi;;
+   esac
+  done
+  IMGTARGETS=""
+  if test x"$with_gdkpixbuf" = xyes; then
+   AC_W3M_CHECK_VER([GdkPixbuf],
+	[`$GDKPIXBUF_CONFIG --version 2>/dev/null`],
+	0, 16, 0,
+	[have_gdkpixbuf="yes"],
+	[have_gdkpixbuf="no"])
+  fi
+  if test x"$with_imlib" = xyes; then
+   AC_W3M_CHECK_VER([Imlib],
+	[`$IMLIB_CONFIG --version 2>/dev/null`],
+	1, 9, 8,
+	[have_imlib="yes"],
+	[have_imlib="no"])
+  fi
+  if test x"$with_imlib2" = xyes; then
+   AC_W3M_CHECK_VER([Imlib2],
+	[`$IMLIB2_CONFIG --version 2>/dev/null`],
+	1, 0, 5,
+	[have_imlib2="yes"],
+	[have_imlib2="no"])
+  fi
+  if test x"$x11" = xyes; then
+   if test x"$have_gdkpixbuf" = xyes; then
+     AC_DEFINE(USE_W3MIMG_X11)
+     AC_DEFINE(USE_GDKPIXBUF)
+     IMGOBJS="$IMGOBJS x11/x11_w3mimg.o"
+     IMGX11CFLAGS="`${GDKPIXBUF_CONFIG} --cflags`"
+     IMGX11LDFLAGS="`${GDKPIXBUF_CONFIG} --libs` -lgdk_pixbuf_xlib"
+     IMGTARGETS="x11"    
+   elif test x"$have_imlib" = xyes; then
+     AC_DEFINE(USE_W3MIMG_X11)
+     AC_DEFINE(USE_IMLIB)
+     IMGOBJS="$IMGOBJS x11/x11_w3mimg.o"
+     IMGX11CFLAGS="`${IMLIB_CONFIG} --cflags`"
+     IMGX11LDFLAGS="`${IMLIB_CONFIG} --libs`"
+     IMGTARGETS="x11"    
+   elif test x"$have_imlib2" = xyes; then
+     AC_DEFINE(USE_W3MIMG_X11)
+     AC_DEFINE(USE_IMLIB2)
+     IMGOBJS="$IMGOBJS x11/x11_w3mimg.o"
+     IMGX11CFLAGS="`${IMLIB2_CONFIG} --cflags`"
+     IMGX11LDFLAGS="`${IMLIB2_CONFIG} --libs`"
+     IMGTARGETS="x11"    
+   else
+     AC_MSG_WARN([unable to build w3mimgdisplay with X11 support])
+   fi
+  fi
+  if test x"$fb" = xyes; then
+   if test x"$have_gdkpixbuf" = xyes; then
+     AC_DEFINE(USE_W3MIMG_FB)
+     AC_DEFINE(USE_GDKPIXBUF)
+     IMGOBJS="$IMGOBJS fb/fb_w3mimg.o fb/fb.o fb/fb_img.o"
+     IMGFBCFLAGS="`${GDKPIXBUF_CONFIG} --cflags`"
+     IMGFBLDFLAGS="`${GDKPIXBUF_CONFIG} --libs`"
+     IMGTARGETS="${IMGTARGETS} fb"
+   elif test x"$have_imlib2" = xyes; then
+     AC_DEFINE(USE_W3MIMG_FB)
+     AC_DEFINE(USE_IMLIB2)
+     IMGOBJS="$IMGOBJS fb/fb_w3mimg.o fb/fb.o fb/fb_img.o"
+     IMGFBCFLAGS="`${IMLIB2_CONFIG} --cflags`"
+     IMGFBLDFLAGS="`${IMLIB2_CONFIG} --libs`"
+     IMGTARGETS="${IMGTARGETS} fb"
+   else
+     AC_MSG_WARN([unable to build w3mimgdisplay with FB support])
+   fi
+  fi
+  AC_DEFINE(IMGTARGETS, "$IMGTARGETS")
+  AC_DEFINE(IMGOBJS, "$IMGOBJS")
+  AC_DEFINE(IMGX11CFLAGS, "$IMGX11CFLAGS")
+  AC_DEFINE(IMGX11LDFLAGS, "$IMGX11LDFLAGS")
+  AC_DEFINE(IMGFBCFLAGS, "$IMGFBCFLAGS")
+  AC_DEFINE(IMGFBLDFLAGS, "$IMGLDFLAGS")
+ fi])
+# ----------------------------------------------------------------
+# AC_W3M_XFACE
+# ----------------------------------------------------------------
+AC_DEFUN([AC_W3M_XFACE],
+[AC_SUBST(USE_XFACE)
+ AC_MSG_CHECKING(if xface is enabled)
+ AC_ARG_ENABLE(xface,
+  [   --disable-xface		disable xface support],,
+  [enable_xface="$enable_image"])
+ test x"$enable_xface" = xyes && AC_DEFINE(USE_XFACE)
+ AC_MSG_RESULT($enable_xface)
+ AC_CHECK_PROG(uncompface, uncompface, "yes", "no")
+ test "$uncompface" = "no" && AC_MSG_WARN([uncompface is not installed.])
+])
+#
+# ----------------------------------------------------------------
+# AC_W3M_IPv6
+# ----------------------------------------------------------------
+AC_DEFUN([AC_W3M_IPv6],
+[AC_MSG_CHECKING(if IPv6 support is enabled)
+AC_ARG_ENABLE(ipv6,
+ [  --disable-ipv6		disable IPv6],,
+ [enable_ipv6="yes"])
+AC_MSG_RESULT($enable_ipv6)
+
+if test x"$enable_ipv6" = xyes; then
+ AC_MSG_CHECKING(if IPv6 API available)
+ AC_SUBST(INET6)
+ AC_CHECK_FUNC(getaddrinfo, 
+	[enable_ipv6="yes"],
+	[enable_ipv6="no"])
+ if test x"$enable_ipv6" = xno; then
+    AC_MSG_CHECKING(for libinet6)
+    for dir in /usr/local/v6/lib /usr/local/lib /usr/lib
+    do
+	if test -f $dir/libinet6.a; then
+	  if test $dir != "/usr/lib"; then
+		W3M_LIBS="$W3M_LIBS -L$dir"
+	  fi
+	  AC_CHECK_LIB(inet6, getaddrinfo,
+		[enable_ipv6="yes"
+	         use_libinet6="found"; W3M_LIBS="$W3M_LIBS -linet6"; break],
+		[use_libinet6="not found"])
+	fi
+    done
+    AC_MSG_RESULT($use_libinet6)
+ fi
+ if test x"$enable_ipv6" = xyes; then
+    AC_SUBST(HAVE_OLD_SS_FAMILY)
+    AC_MSG_CHECKING(if struct sockaddr_storage has an ss_family member)
+    AC_TRY_COMPILE([
+#include <sys/types.h>
+#include <sys/socket.h>
+      ], [
+	struct sockaddr_storage ss;
+	int i = ss.ss_family;
+      ],
+      [AC_MSG_RESULT(yes)],
+      [AC_TRY_COMPILE([
+#include <sys/types.h>
+#include <sys/socket.h>
+	],
+	[
+	struct sockaddr_storage ss;
+	int i = ss.__ss_family;
+	],
+	[AC_MSG_RESULT(no, but __ss_family exists)
+	 AC_DEFINE(HAVE_OLD_SS_FAMILY)],
+	[AC_MSG_RESULT(no)
+	 AC_MSG_WARN(IPv6 support is disabled)
+	 enable_ipv6="no"])
+      ])
+ fi
+ if test x"$enable_ipv6" = xyes; then
+    AC_DEFINE(INET6)
+ fi
+fi])
+#
+# ----------------------------------------------------------------
+# AC_W3M_SYS_ERRLIST
+# ----------------------------------------------------------------
+AC_DEFUN([AC_W3M_SYS_ERRLIST],
+[AC_SUBST(HAVE_SYS_ERRLIST)
+AC_MSG_CHECKING(for sys_errlist)
+AC_TRY_COMPILE(
+changequote(<<,>>)dnl
+<<extern char *sys_errlist[];>>,
+<<printf(sys_errlist[0]);>>,
+changequote([,])dnl
+[have_sys_errlist="yes"; AC_DEFINE(HAVE_SYS_ERRLIST)],
+[have_sys_errlist="no"])
+AC_MSG_RESULT($have_sys_errlist)])
+#
+# ----------------------------------------------------------------
+# AC_W3M_SIGSETJMP
+# ----------------------------------------------------------------
+AC_DEFUN([AC_W3M_SIGSETJMP],
+[AC_SUBST(HAVE_SIGSETJMP)
+AC_MSG_CHECKING(for sigsetjmp)
+AC_TRY_COMPILE(
+[#include <setjmp.h>],
+[ jmp_buf env;
+   if (sigsetjmp(env, 1) != 0) { exit(0); } siglongjmp(env, 1);],
+[have_sigsetjmp="yes"; AC_DEFINE(HAVE_SIGSETJMP)],
+[have_sigsetjmp="no"])
+AC_MSG_RESULT($have_sigsetjmp)])
+#
+# ----------------------------------------------------------------
+# AC_W3M_SIGNAL_RETURN
+# ----------------------------------------------------------------
+AC_DEFUN([AC_W3M_SIGNAL],
+[AC_TYPE_SIGNAL
+ AC_SUBST(RETSIGTYPE)
+ AC_SUBST(SIGNAL_RETURN)
+ if test x"$ac_cv_type_signal" = xvoid; then
+  AC_DEFINE(SIGNAL_RETURN,return)
+ else
+  AC_DEFINE(SIGNAL_RETURN,return 0)
+ fi])