acinclude.m4

   1 dnl w3m autoconf macros
   2 #
   3 # ----------------------------------------------------------------
   4 # AC_W3M_VERSION
   5 # ----------------------------------------------------------------
   6 AC_DEFUN([AC_W3M_VERSION],
   7 [AC_SUBST(CURRENT_VERSION)
   8  cvsver=`$AWK '\$[1] ~ /Id:/ { print \$[3]}' $srcdir/ChangeLog`
   9  sed -e 's/define CURRENT_VERSION "\(.*\)+cvs/define CURRENT_VERSION "\1+cvs-'$cvsver'/' $srcdir/version.c.in > version.c
  10  CURRENT_VERSION=`sed -n 's/.*define CURRENT_VERSION *"w3m\/\(.*\)".*$/\1/p' version.c`])
  11 #
  12 # ----------------------------------------------------------------
  13 # AC_W3M_COLOR
  14 # ----------------------------------------------------------------
  15 AC_DEFUN([AC_W3M_COLOR],
  16 [AC_SUBST(USE_COLOR)
  17 AC_MSG_CHECKING(if color escape sequence for kterm/pxvt is enabled)
  18 AC_ARG_ENABLE(color,
  19  [  --disable-color             disable color for vt100 terminal],,
  20  [enable_color="yes"])
  21 test x"$enable_color" = xyes && AC_DEFINE(USE_COLOR)
  22 AC_MSG_RESULT($enable_color)])
  23 #
  24 # ----------------------------------------------------------------
  25 # AC_W3M_ANSI_COLOR
  26 # ----------------------------------------------------------------
  27 AC_DEFUN([AC_W3M_ANSI_COLOR],
  28 [AC_SUBST(USE_ANSI_COLOR)
  29 AC_MSG_CHECKING(if ansi color escape sequence support is enabled)
  30 AC_ARG_ENABLE(ansi_color,
  31  [   --disable-ansi-color               disable ansi color escape sequence],,
  32  [enable_ansi_color="$enable_color"])
  33  test x"$enable_ansi_color" = xyes && AC_DEFINE(USE_ANSI_COLOR)
  34  AC_MSG_RESULT($enable_ansi_color)])
  35 #
  36 # ----------------------------------------------------------------
  37 # AC_W3M_BG_COLOR
  38 # ----------------------------------------------------------------
  39 AC_DEFUN([AC_W3M_BG_COLOR],
  40 [AC_SUBST(USE_BG_COLOR)
  41 AC_MSG_CHECKING(if background color support is enabled)
  42 AC_ARG_ENABLE(bgcolor,
  43  [   --disable-bgcolor          disable to set background color],,
  44  [enable_bgcolor="$enable_color"])
  45  test x"$enable_bgcolor" = xyes && AC_DEFINE(USE_BG_COLOR)
  46 AC_MSG_RESULT($enable_bgcolor)])
  47 #
  48 # ----------------------------------------------------------------
  49 # AC_W3M_MENU
  50 # ----------------------------------------------------------------
  51 AC_DEFUN([AC_W3M_MENU],
  52 [AC_SUBST(USE_MENU)
  53 AC_MSG_CHECKING(if popup menu is enabled)
  54 AC_ARG_ENABLE(menu,
  55  [  --disable-menu              disable popup menu],,
  56  [enable_menu="yes"])
  57  test x"$enable_menu" = xyes && AC_DEFINE(USE_MENU)
  58  AC_MSG_RESULT($enable_menu)])
  59 #
  60 # ----------------------------------------------------------------
  61 # AC_W3M_MOUSE
  62 # ----------------------------------------------------------------
  63 AC_DEFUN([AC_W3M_MOUSE],
  64 [AC_SUBST(USE_MOUSE)
  65 AC_MSG_CHECKING(if mouse operation enabled)
  66 AC_ARG_ENABLE(mouse,
  67  [  --disable-mouse             disable mouse operation],,
  68  [enable_mouse="yes"])
  69 test x"$enable_mouse" = xyes && AC_DEFINE(USE_MOUSE)
  70 AC_MSG_RESULT($enable_mouse)])
  71 #
  72 # ----------------------------------------------------------------
  73 # AC_W3M_COOKIE
  74 # ----------------------------------------------------------------
  75 AC_DEFUN([AC_W3M_COOKIE],
  76 [AC_SUBST(USE_COOKIE)
  77 AC_MSG_CHECKING(if cookie is enabled)
  78 AC_ARG_ENABLE(cookie,
  79  [  --disable-cookie            disable cookie],,
  80  [enable_cookie="yes"])
  81 test x"$enable_cookie" = xyes && AC_DEFINE(USE_COOKIE)
  82 AC_MSG_RESULT($enable_cookie)])
  83 #
  84 # ----------------------------------------------------------------
  85 # AC_W3M_DICT
  86 # ----------------------------------------------------------------
  87 AC_DEFUN([AC_W3M_DICT],
  88 [AC_SUBST(USE_DICT)
  89 AC_MSG_CHECKING(if dictionary lookup is enabled)
  90 AC_ARG_ENABLE(dict,
  91  [  --disable-dict              disable dictionary lookup (see README.dict)],,
  92  [enable_dict="yes"])
  93  test x"$enable_dict" = xyes && AC_DEFINE(USE_DICT)
  94  AC_MSG_RESULT($enable_dict)])
  95 #
  96 # ----------------------------------------------------------------
  97 # AC_W3M_HISTORY
  98 # ----------------------------------------------------------------
  99 AC_DEFUN([AC_W3M_HISTORY],
 100 [AC_SUBST(USE_HISTORY)
 101 AC_MSG_CHECKING(if URL history is enabled)
 102 AC_ARG_ENABLE(history,
 103  [  --disable-history           disable URL history],,
 104  [enable_history="yes"])
 105  test x"$enable_history" = xyes && AC_DEFINE(USE_HISTORY)
 106  AC_MSG_RESULT($enable_history)])
 107 #
 108 # ----------------------------------------------------------------
 109 # AC_W3M_NNTP
 110 # ----------------------------------------------------------------
 111 AC_DEFUN([AC_W3M_NNTP],
 112 [AC_SUBST(USE_NNTP)
 113  AC_MSG_CHECKING(if nntp is enabled)
 114  AC_ARG_ENABLE(nntp,
 115   [  --disable-nntp             disable NNTP],,
 116   [enable_nntp="yes"])
 117  test x"$enable_nntp" = xyes && AC_DEFINE(USE_NNTP)
 118  AC_MSG_RESULT($enable_nntp)])
 119 #
 120 # ----------------------------------------------------------------
 121 # AC_W3M_GOPHER
 122 # ----------------------------------------------------------------
 123 AC_DEFUN([AC_W3M_GOPHER],
 124 [AC_SUBST(USE_GOPHER)
 125  AC_MSG_CHECKING(if gopher is enabled)
 126  AC_ARG_ENABLE(gopher,
 127   [  --enable-gopher            enable GOPHER],,
 128   [enable_gopher="no"])
 129  test x"$enable_gopher" = xyes &&  AC_DEFINE(USE_GOPHER)
 130  AC_MSG_RESULT($enable_gopher)])
 131 #
 132 # ----------------------------------------------------------------
 133 # AC_W3M_M17N
 134 # ----------------------------------------------------------------
 135 # m17n enable?
 136 AC_DEFUN([AC_W3M_M17N],
 137 [AC_SUBST(USE_M17N)
 138 AC_SUBST(USE_UNICODE)
 139 AC_SUBST(WCTARGET)
 140 AC_SUBST(WCCFLAGS)
 141 AC_SUBST(DISPLAY_CHARSET)
 142 AC_SUBST(SYSTEM_CHARSET)
 143 AC_SUBST(DOCUMENT_CHARSET)
 144 AC_SUBST(POSUBST)
 145 AC_SUBST(POLANG)
 146 WCTARGET=""; WCCFLAGS=""; wcinclude=""; wclib=""
 147 AC_MSG_CHECKING(if m17n support is enabled)
 148 AC_ARG_ENABLE(m17n,
 149  [  --disable-m17n              do not use m17n],,
 150  [enable_m17n="yes"])
 151 AC_MSG_RESULT($enable_m17n)
 152 if test x"$enable_m17n" = xno; then
 153   w3m_lang="en"
 154   WCTARGET=""
 155   WCCFLAGS=""
 156   wcinclude=""
 157   wclib=""
 158   display_charset='WC_CES_US_ASCII'
 159   system_charset='WC_CES_US_ASCII'
 160   document_charset='WC_CES_US_ASCII'
 161 else
 162  AC_DEFINE(USE_M17N)
 163  WCTARGET="libwc/libwc.a"
 164  WCCFLAGS='-I$(srcdir) -I$(srcdir)/..'
 165  wcinclude='-I$(srcdir)/libwc'
 166  wclib="-L./libwc -lwc"
 167  AC_MSG_CHECKING(if unicode support is enabled)
 168  AC_ARG_ENABLE(unicode,
 169   [   --disable-unicode         do not use unicode],,
 170   [enable_unicode="yes"])
 171  AC_MSG_RESULT($enable_unicode)
 172  if test x"$enable_m17n" = xyes; then
 173   charset=US-ASCII
 174  else
 175   charset=$enable_m17n
 176  fi
 177  if test x"$enable_unicode" = xyes; then
 178     WCCFLAGS="-DUSE_UNICODE $WCCFLAGS"
 179     if test x"$charset" = xUS-ASCII; then
 180      charset=UTF-8
 181     fi
 182     AC_DEFINE(USE_UNICODE)
 183  fi
 184  AC_MSG_CHECKING(if message l10n)
 185  AC_ARG_ENABLE(messagel10n,
 186    [   --enable-messagel10n=LL  message l10n instead of NLS],,
 187    [enable_messagel10n="no"])
 188  if test x$enable_messagel10n = xyes; then
 189   enable_messagel10n="ja";
 190  fi
 191  AC_MSG_RESULT($enable_messagel10n)
 192  if test x$enable_messagel10n = xno; then
 193     :
 194  else
 195     POSUBST="\$(top_srcdir)/posubst"
 196     POLANG="$enable_messagel10n"
 197  fi
 198  AC_MSG_CHECKING(if japanese support is enabled)
 199  AC_ARG_ENABLE(japanese,
 200    [   --enable-japanese=CODE   support Japanese CODE=(S|E|J|U)],,
 201    [enable_japanese="no"])
 202  AC_MSG_RESULT($enable_japanese)
 203  if test x"$enable_japanese" = xno; then
 204    w3m_lang="en"
 205  else
 206    w3m_lang="ja"
 207    case "$enable_japanese" in
 208    E*) charset=EUC-JP;;
 209    S*) charset=Shift_JIS;;
 210    J*) charset=ISO-2022-JP;;
 211    U*) charset=UTF-8;;
 212    esac
 213  fi
 214  display_charset=$charset
 215  AC_MSG_CHECKING(which charset is used for display)
 216  AC_ARG_WITH(charset,
 217   [  --with-charset=CHARSET],
 218   [test x"with_charset" = xyes || display_charset="$with_charset"])
 219  AC_MSG_RESULT($display_charset)
 220  display_charset=`awk '$[1] == "'$display_charset'" {print $[2]}' $srcdir/charset-list`
 221  case "$display_charset" in
 222    WC_CES_ISO_2022_JP*)
 223      system_charset=WC_CES_EUC_JP
 224      document_charset=WC_CES_EUC_JP
 225      ;;
 226    WC_CES_SHIFT_JIS)
 227      system_charset=$display_charset
 228      # for auto-detect
 229      document_charset=WC_CES_EUC_JP
 230      ;;
 231    WC_CES_ISO_2022_CN|WC_CES_HZ_GB_2312)
 232      system_charset=WC_CES_EUC_CN
 233      document_charset=WC_CES_EUC_CN
 234      ;;
 235    WC_CES_BIG5)
 236      system_charset=$display_charset
 237      # for auto-detect
 238      document_charset=WC_CES_EUC_TW
 239      ;;
 240   WC_CES_ISO_2022_KR)
 241      system_charset=WC_CES_EUC_KR
 242      document_charset=WC_CES_EUC_KR
 243      ;;
 244   *)
 245      system_charset=$display_charset
 246      document_charset=$display_charset
 247      ;;
 248  esac
 249 fi
 250 W3M_LANGDEF=`echo $w3m_lang | tr 'a-z' 'A-Z'`
 251 W3M_LANG=$W3M_LANGDEF
 252 AC_DEFINE_UNQUOTED(W3M_LANG, $W3M_LANG)
 253 AC_DEFINE_UNQUOTED(WCTARGET, "$WCTARGET")
 254 AC_DEFINE_UNQUOTED(WCCFLAGS, "$WCCFLAGS")
 255 CFLAGS="$CFLAGS $wcinclude"
 256 W3M_LIBS="$W3M_LIBS $wclib"
 257 AC_DEFINE_UNQUOTED(DISPLAY_CHARSET, $display_charset)
 258 AC_DEFINE_UNQUOTED(SYSTEM_CHARSET, $system_charset)
 259 AC_DEFINE_UNQUOTED(DOCUMENT_CHARSET, $document_charset)])
 260 #
 261 # ----------------------------------------------------------------
 262 # AC_W3M_KEYMAP
 263 # ----------------------------------------------------------------
 264 AC_DEFUN([AC_W3M_KEYMAP],
 265 [AC_SUBST(KEYMAP_FILE)
 266  AC_MSG_CHECKING(default keymap)
 267  AC_ARG_ENABLE(keymap,
 268   [  --enable-keymap[=w3m|lynx] default keybind style(w3m or lynx)],,
 269   [enable_keymap="w3m"])
 270  AC_MSG_RESULT($enable_keymap)
 271  case x"$enable_keymap" in
 272  xw3m)
 273   KEYMAP_FILE="keybind";;
 274  xlynx)
 275   KEYMAP_FILE="keybind_lynx";;
 276  *)
 277   AC_MSG_ERROR([keymap should be either w3m or lynx.]);;
 278  esac
 279  AC_SUBST(HELP_FILE)
 280  HELP_FILE=w3mhelp-${enable_keymap}_$w3m_lang.html
 281  AC_DEFINE_UNQUOTED(HELP_FILE, "$HELP_FILE")
 282  AC_SUBST(KEYBIND)
 283  AC_DEFINE_UNQUOTED(KEYBIND, $enable_keymap)])
 284 #
 285 # ----------------------------------------------------------------
 286 # AC_W3M_DIGEST_AUTH
 287 # ----------------------------------------------------------------
 288 AC_DEFUN([AC_W3M_DIGEST_AUTH],
 289 [AC_SUBST(USE_DIGEST_AUTH)
 290  AC_MSG_CHECKING(if digest auth is enabled)
 291  AC_ARG_ENABLE(digest_auth,
 292  [  --disable-digest-auth               disable digest auth],,
 293  [enable_digest_auth="yes"])
 294  test x"$enable_digest_auth" = xyes && AC_DEFINE(USE_DIGEST_AUTH)
 295  AC_MSG_RESULT($enable_digest_auth)])
 296 #
 297 # ----------------------------------------------------------------
 298 # AC_W3M_MIGEMO
 299 # ----------------------------------------------------------------
 300 AC_DEFUN([AC_W3M_MIGEMO],
 301 [AC_SUBST(USE_MIGEMO)
 302  AC_SUBST(DEF_MIGEMO_COMMAND)
 303  migemo_command="migemo -t egrep /usr/local/share/migemo/migemo-dict"
 304  AC_MSG_CHECKING(if migemo is supported with)
 305  AC_ARG_WITH(migemo,
 306   [  --with-migemo=MIGEMO_COMMAND       migemo command],
 307   [test x"$with_migemo" = xyes || migemo_command="$with_migemo"])
 308  if test "${with_migemo+set}" = set -a "$with_migemo" != "no"; then
 309    AC_DEFINE(USE_MIGEMO)
 310  fi
 311  AC_MSG_RESULT($migemo_command)
 312  AC_DEFINE_UNQUOTED(DEF_MIGEMO_COMMAND, "$migemo_command")])
 313 #
 314 # ----------------------------------------------------------------
 315 # AC_W3M_EDITOR
 316 # ----------------------------------------------------------------
 317 AC_DEFUN([AC_W3M_EDITOR],
 318 [AC_SUBST(DEF_EDITOR)
 319 w3m_editor="/usr/bin/vi"
 320 AC_MSG_CHECKING(which editor is used by default)
 321 AC_ARG_WITH(editor,
 322  [  --with-editor=EDITOR                default editor (/usr/bin/vi)],
 323  [w3m_editor="$with_editor"])
 324 AC_MSG_RESULT($w3m_editor)
 325 AC_DEFINE_UNQUOTED(DEF_EDITOR, "$w3m_editor")])
 326 #
 327 # ----------------------------------------------------------------
 328 # AC_W3M_MAILER
 329 # ----------------------------------------------------------------
 330 AC_DEFUN([AC_W3M_MAILER],
 331 [AC_SUBST(DEF_MAILER)
 332 w3m_mailer="/usr/bin/mail"
 333 AC_MSG_CHECKING(which mailer is used by default)
 334 AC_ARG_WITH(mailer,
 335  [  --with-mailer=MAILER                default mailer (/usr/bin/mail)],
 336  [w3m_mailer="$with_mailer"])
 337 AC_MSG_RESULT($w3m_mailer)
 338 AC_DEFINE_UNQUOTED(DEF_MAILER, "$w3m_mailer")])
 339 #
 340 # ----------------------------------------------------------------
 341 # AC_W3M_EXT_BROWSER
 342 # ----------------------------------------------------------------
 343 AC_DEFUN([AC_W3M_EXT_BROWSER],
 344 [AC_SUBST(DEF_EXT_BROWSER)
 345 w3m_browser="/usr/bin/mozilla"
 346 AC_MSG_CHECKING(which external browser is used by default)
 347 AC_ARG_WITH(browser,
 348  [  --with-browser=BROWSER      default browser (/usr/bin/mozilla)],
 349  [w3m_browser="$with_browser"])
 350 AC_MSG_RESULT($w3m_browser)
 351 AC_DEFINE_UNQUOTED(DEF_EXT_BROWSER, "$w3m_browser")])
 352 #
 353 # ----------------------------------------------------------------
 354 # AC_W3M_HELP_CGI
 355 # ----------------------------------------------------------------
 356 AC_DEFUN([AC_W3M_HELP_CGI],
 357 [AC_SUBST(USE_HELP_CGI)
 358  AC_MSG_CHECKING(if help cgi is enabled)
 359  AC_ARG_ENABLE(help_cgi,
 360   [  --disable-help-cgi         disable help cgi],,
 361   [enable_help_cgi="yes"])
 362  test x"$enable_help_cgi" = xyes && AC_DEFINE(USE_HELP_CGI)
 363  AC_MSG_RESULT($enable_help_cgi)])
 364 #
 365 # ----------------------------------------------------------------
 366 # AC_W3M_EXTERNAL_URI_LOADER
 367 # ----------------------------------------------------------------
 368 AC_DEFUN([AC_W3M_EXTERNAL_URI_LOADER],
 369 [AC_SUBST(USE_EXTERNAL_URI_LOADER)
 370  AC_MSG_CHECKING(if external URI loader is enabled)
 371  AC_ARG_ENABLE(external_uri_loader,
 372  [  --disable-external-uri-loader       disable external URI loader],,
 373  [enable_external_uri_loader="yes"])
 374  test x"$enable_external_uri_loader" = xyes && AC_DEFINE(USE_EXTERNAL_URI_LOADER)
 375  AC_MSG_RESULT($enable_external_uri_loader)])
 376 #
 377 # ----------------------------------------------------------------
 378 # AC_W3M_W3MMAILER
 379 # ----------------------------------------------------------------
 380 AC_DEFUN([AC_W3M_W3MMAILER],
 381 [AC_SUBST(USE_W3MMAILER)
 382  AC_MSG_CHECKING(if w3mmail is used)
 383  AC_ARG_ENABLE(w3mmailer,
 384  [   --disable-w3mmailer                disable w3mmailer],,
 385  [enable_w3mmailer="$enable_external_uri_loader"])
 386  test x"$enable_external_uri_loader" = xno && enable_w3mmailer=no
 387  test x"$enable_w3mmailer" = xyes && AC_DEFINE(USE_W3MMAILER)
 388  AC_MSG_RESULT($enable_w3mmailer)])
 389 #
 390 # ----------------------------------------------------------------
 391 # AC_W3M_EXTLIBS(libs)
 392 # ----------------------------------------------------------------
 393 AC_DEFUN([AC_W3M_EXTLIBS],
 394 [lib=$1
 395  AC_MSG_CHECKING(for -l$lib)
 396  extlib="not found"
 397  for dir in /lib /usr/lib /usr/local/lib /usr/ucblib /usr/ccslib /usr/ccs/lib
 398  do
 399    if test -f $dir/lib$lib.a -o -f $dir/lib$lib.so ; then
 400     LIBS="$LIBS -l$lib"
 401     extlib="found at $dir"
 402     break
 403    fi
 404  done
 405  AC_MSG_RESULT($extlib)])
 406 #
 407 # ----------------------------------------------------------------
 408 # AC_W3M_TERMLIB
 409 # ----------------------------------------------------------------
 410 AC_DEFUN([AC_W3M_TERMLIB],
 411 [AC_MSG_CHECKING(terminal library)
 412 AC_ARG_WITH(termlib,
 413  [  --with-termlib[=LIBS]               terminal library
 414                                 LIBS is space separated list of:
 415                                   terminfo mytinfo termcap ncurses curses],,
 416  [with_termlib="yes"])
 417  AC_MSG_RESULT($with_termlib)
 418  test x"$with_termlib" = xyes && with_termlib="terminfo mytinfo termlib termcap ncurses curses"
 419  for lib in $with_termlib; do
 420    AC_CHECK_LIB($lib, tgetent, [W3M_LIBS="$W3M_LIBS -l$lib"; break])
 421  done
 422 ])
 423 #
 424 # ----------------------------------------------------------------
 425 # AC_W3M_GC
 426 # ----------------------------------------------------------------
 427 AC_DEFUN([AC_W3M_GC],
 428 [AC_MSG_CHECKING(GC library exists)
 429 AC_ARG_WITH(gc,
 430  [  --with-gc[=PREFIX]          libgc PREFIX],
 431  [test x"$with_gc" = xno && AC_MSG_ERROR([You can not build w3m without gc])],
 432  [with_gc="yes"])
 433  AC_MSG_RESULT($with_gc)
 434  test x"$with_gc" = xyes && with_gc="/usr /usr/local ${HOME}"
 435  unset ac_cv_header_gc_h
 436  AC_CHECK_HEADER(gc.h)
 437  if test x"$ac_cv_header_gc_h" = xno; then
 438    AC_MSG_CHECKING(GC header location)
 439    AC_MSG_RESULT($with_gc)
 440    gcincludedir=no
 441    for dir in $with_gc; do
 442      for inc in include include/gc; do
 443        cppflags="$CPPFLAGS"
 444        CPPFLAGS="$CPPFLAGS -I$dir/$inc"
 445        AC_MSG_CHECKING($dir/$inc)
 446        unset ac_cv_header_gc_h
 447        AC_CHECK_HEADER(gc.h, [gcincludedir="$dir/$inc"; CFLAGS="$CFLAGS -I$dir/$inc"; break])
 448        CPPFLAGS="$cppflags"
 449      done
 450      if test x"$gcincludedir" != xno; then
 451        break;
 452      fi
 453    done
 454    if test x"$gcincludedir" = xno; then
 455      AC_MSG_ERROR([gc.h not found])
 456    fi
 457  fi
 458  unset ac_cv_lib_gc_GC_init
 459  AC_CHECK_LIB(gc, GC_init, [LIBS="$LIBS -lgc"])
 460  if test x"$ac_cv_lib_gc_GC_init" = xno; then
 461     AC_MSG_CHECKING(GC library location)
 462     AC_MSG_RESULT($with_gc)
 463     gclibdir=no
 464     for dir in $with_gc; do
 465       ldflags="$LDFLAGS"
 466       LDFLAGS="$LDFLAGS -L$dir/lib"
 467       AC_MSG_CHECKING($dir)
 468       unset ac_cv_lib_gc_GC_init
 469       AC_CHECK_LIB(gc, GC_init, [gclibdir="$dir/lib"; LIBS="$LIBS -L$dir/lib -lgc"; break])
 470       LDFLAGS="$ldflags"
 471     done
 472     if test x"$gclibdir" = xno; then
 473       AC_MSG_ERROR([libgc not found])
 474     fi
 475  fi])
 476 #
 477 # ----------------------------------------------------------------
 478 # AC_W3M_SSL
 479 # ----------------------------------------------------------------
 480 AC_DEFUN([AC_W3M_SSL],
 481 [AC_SUBST(USE_SSL)
 482 AC_SUBST(USE_SSL_VERIFY)
 483 AC_MSG_CHECKING(if SSL is suported)
 484 AC_ARG_WITH(ssl,
 485  [  --with-ssl[=PREFIX]         support https protocol],,
 486  [with_ssl="yes"])
 487 AC_MSG_RESULT($with_ssl)
 488 if test x"$with_ssl" != xno; then
 489   PKG_CHECK_MODULES(SSL, openssl,,[
 490     AC_MSG_CHECKING(for SSL library/header)
 491     test x"$with_ssl" = xyes && with_ssl="/usr/openssl /usr/ssl /usr /usr/local/openssl /usr/local/ssl /usr/local"
 492     AC_MSG_RESULT($with_ssl)
 493     for dir in $with_ssl
 494     do
 495        if test -f "$dir/include/openssl/ssl.h"; then
 496           SSL_CFLAGS="$SSL_CFLAGS -I$dir/include/openssl"
 497           if test "$dir" != "/usr"; then
 498              SSL_CFLAGS="$SSL_CFLAGS -I$dir/include"
 499           fi
 500        elif test "$dir" != "/usr" -a -f "$dir/include/ssl.h"; then
 501           SSL_CFLAGS="$SSL_CFLAGS -I$dir/include"
 502        fi
 503        if test "$dir" != "/usr" -a -f "$dir/lib/libssl.a"; then
 504           SSL_LIBS="$SSL_LIBS -L$dir/lib"
 505        fi
 506     done
 507   ])
 508   AC_CHECK_LIB(ssl, SSL_new,
 509         [w3m_ssl="found"; CFLAGS="$CFLAGS $SSL_CFLAGS" W3M_LIBS="$W3M_LIBS $SSL_LIBS -lssl -lcrypto"],
 510         [w3m_ssl="not found"],
 511         [$SSL_LIBS -lcrypto])
 512
 513   if test x"$w3m_ssl" = xfound; then
 514     AC_DEFINE(USE_SSL)
 515     AC_MSG_CHECKING(if SSL certificate verify is enabled)
 516     AC_ARG_ENABLE(sslverify,
 517       [   --disable-sslverify           verify SSL certificate],,
 518       [enable_sslverify="yes"])
 519     test x"$enable_sslverify" = xyes && AC_DEFINE(USE_SSL_VERIFY)
 520     AC_MSG_RESULT($enable_sslverify)
 521   fi
 522 fi])
 523 #
 524 # ----------------------------------------------------------------
 525 # AC_W3M_ALARM
 526 # ----------------------------------------------------------------
 527 AC_DEFUN([AC_W3M_ALARM],
 528 [AC_SUBST(USE_ALARM)
 529  AC_MSG_CHECKING(if alarm is enabled)
 530  AC_ARG_ENABLE(alarm,
 531  [  --disable-alarm             disable alarm],,
 532  [enable_alarm="yes"])
 533  AC_MSG_RESULT($enable_alarm)
 534  if test x"$enable_alarm" = xyes; then
 535    AC_TRY_COMPILE(
 536     [#include <unistd.h>
 537 #include <signal.h>],
 538     [int sa = SIGALRM;
 539      void (*a) = alarm;],
 540    [AC_DEFINE(USE_ALARM)])
 541  fi])
 542 #
 543 # ----------------------------------------------------------------
 544 # AC_W3M_CHECK_VER(name, version, major, minor, micro,
 545 #               action-if-ok, message-if-badver, action-if-nover)
 546 # ----------------------------------------------------------------
 547 AC_DEFUN([AC_W3M_CHECK_VER],
 548 [version="$2"
 549  if test x"$version" != x; then
 550    AC_MSG_CHECKING($1 version)
 551    AC_MSG_RESULT($version)
 552    set -- `echo "$version" | sed 's/[[^0-9]]/ /g'`
 553    if test "$[1]" -ne "$3" -o "$[2]" -lt "$4" || test "$[2]" -eq "$4" -a "$[3]" -lt "$5"; then
 554      AC_MSG_WARN([$1 is too old. Install $1 (version >= $3.$4.$5)])
 555      $7
 556    else
 557      $6
 558    fi
 559  else
 560    AC_MSG_WARN([$1 is not installed.  Install $1 (version >= $3.$4.$5)])
 561    $7
 562  fi])
 563 #
 564 # ----------------------------------------------------------------
 565 # AC_W3M_IMAGE
 566 # ----------------------------------------------------------------
 567 AC_DEFUN([AC_W3M_IMAGE],
 568 [AC_SUBST(USE_IMAGE)
 569  AC_SUBST(USE_W3MIMG_X11)
 570  AC_SUBST(USE_W3MIMG_FB)
 571  AC_SUBST(W3MIMGDISPLAY_SETUID)
 572  AC_SUBST(INSTALL_W3MIMGDISPLAY)
 573  INSTALL_W3MIMGDISPLAY='${INSTALL_PROGRAM}'
 574  AC_DEFINE(INSTALL_W3MIMGDISPLAY, $INSTALL_W3MIMGDISPLAY)
 575  AC_SUBST(USE_GDKPIXBUF)
 576  AC_SUBST(USE_GTK2)
 577  AC_SUBST(USE_IMLIB)
 578  AC_SUBST(USE_IMLIB2)
 579  AC_SUBST(IMGTARGETS)
 580  AC_SUBST(IMGOBJS)
 581  AC_SUBST(IMGX11CFLAGS)
 582  AC_SUBST(IMGX11LDFLAGS)
 583  AC_SUBST(IMGFBCFLAGS)
 584  AC_SUBST(IMGFBLDFLAGS)
 585  AC_MSG_CHECKING(if image is enabled)
 586  AC_ARG_ENABLE(image,
 587  [  --enable-image[=DEVS]               enable inline image handler for DEVS
 588                                  DEVS may be comma separeted: x11,fb,fb+s
 589                                  default: autodetected.
 590                                  'no' means disable inline image],,
 591  [enable_image="yes"])
 592  AC_MSG_RESULT($enable_image)
 593  if test x"$enable_image" != xno; then
 594   IMGOBJS=w3mimg.o
 595   if test x"$enable_image" = xyes; then
 596     enable_image=x11
 597     case "`uname -s`" in
 598     Linux|linux|LINUX)
 599         if test -c /dev/fb0; then
 600           enable_image=x11,fb
 601         fi;;
 602     esac
 603   fi
 604   save_ifs="$IFS"; IFS=",";
 605   for img in $enable_image; do
 606     case $img in
 607       x11) x11=yes;;
 608       fb)  fb=yes;;
 609       fb+s) fb=yes
 610            AC_DEFINE(W3MIMGDISPLAY_SETUID)
 611            INSTALL_W3MIMGDISPLAY='${INSTALL} -o root -m 4755 -s'
 612            AC_DEFINE(INSTALL_W3MIMGDISPLAY, $INSTALL_W3MIMGDISPLAY);;
 613     esac
 614   done
 615   IFS="$save_ifs"
 616   enable_image=yes
 617   AC_DEFINE(USE_IMAGE)
 618   AC_MSG_CHECKING(image library)
 619   AC_ARG_WITH(imagelib,
 620    [  --with-imagelib=IMAGELIBS         image library
 621                                  IMAGELIBS may be space separeted list of:
 622                                     gtk2 gdk-pixbuf imlib imlib2],,
 623
 624    [with_imagelib="yes"])
 625   if test x"$with_imagelib" = xyes; then
 626     with_imagelib="gtk2 gdk-pixbuf imlib imlib2"
 627   fi
 628   AC_MSG_RESULT($with_imagelib)
 629   with_imlib=no
 630   with_imlib2=no
 631   with_gdkpixbuf=no
 632   with_gtk2=no
 633   for imagelib in $with_imagelib
 634   do
 635    case "$imagelib" in
 636    imlib)
 637      with_imlib="yes"
 638      if test x"$IMLIB_CONFIG" = x; then
 639        IMLIB_CONFIG=imlib-config
 640      fi;;
 641    imlib2)
 642      with_imlib2="yes"
 643      if test x"$IMLIB2_CONFIG" = x; then
 644        IMLIB2_CONFIG=imlib2-config
 645      fi;;
 646    gdk-pixbuf)
 647      with_gdkpixbuf="yes"
 648      if test x"$GDKPIXBUF_CONFIG" = x; then
 649        GDKPIXBUF_CONFIG=gdk-pixbuf-config
 650      fi;;
 651    gtk2)
 652      with_gtk2="yes"
 653      if test x"$PKG_CONFIG" = x; then
 654        PKG_CONFIG=pkg-config
 655      else
 656        PKG_CONFIG=:
 657      fi;;
 658    esac
 659   done
 660   IMGTARGETS=""
 661   if test x"$with_gtk2" = xyes; then
 662    AC_W3M_CHECK_VER([GdkPixbuf],
 663         [`$PKG_CONFIG --modversion gdk-pixbuf-2.0 2>/dev/null`],
 664         2, 0, 0,
 665         [have_gdkpixbuf="yes"; have_gtk2="yes"],
 666         [have_gdkpixbuf="no"; have_gtk2="no"])
 667   fi
 668   if test x"$with_gdkpixbuf" = xyes; then
 669    if test x"$have_gdkpixbuf" != xyes; then
 670     AC_W3M_CHECK_VER([GdkPixbuf],
 671         [`$GDKPIXBUF_CONFIG --version 2>/dev/null`],
 672         0, 16, 0,
 673         [have_gdkpixbuf="yes"],
 674         [have_gdkpixbuf="no"])
 675    fi
 676   fi
 677   if test x"$with_imlib" = xyes; then
 678    AC_W3M_CHECK_VER([Imlib],
 679         [`$IMLIB_CONFIG --version 2>/dev/null`],
 680         1, 9, 8,
 681         [have_imlib="yes"],
 682         [have_imlib="no"])
 683   fi
 684   if test x"$with_imlib2" = xyes; then
 685    AC_W3M_CHECK_VER([Imlib2],
 686         [`$IMLIB2_CONFIG --version 2>/dev/null`],
 687         1, 0, 5,
 688         [have_imlib2="yes"],
 689         [have_imlib2="no"])
 690   fi
 691   if test x"$x11" = xyes; then
 692    if test x"$have_gtk2" = xyes; then
 693      AC_DEFINE(USE_W3MIMG_X11)
 694      IMGOBJS="$IMGOBJS x11/x11_w3mimg.o"
 695      IMGTARGETS="x11"
 696      AC_DEFINE(USE_GDKPIXBUF)
 697      AC_DEFINE(USE_GTK2)
 698      IMGX11CFLAGS="`${PKG_CONFIG} --cflags gdk-pixbuf-2.0 gdk-pixbuf-xlib-2.0 gtk+-2.0`"
 699      IMGX11LDFLAGS="`${PKG_CONFIG} --libs gdk-pixbuf-2.0 gdk-pixbuf-xlib-2.0 gtk+-2.0`"
 700    elif test x"$have_gdkpixbuf" = xyes; then
 701      AC_DEFINE(USE_W3MIMG_X11)
 702      IMGOBJS="$IMGOBJS x11/x11_w3mimg.o"
 703      IMGTARGETS="x11"
 704      AC_DEFINE(USE_GDKPIXBUF)
 705      IMGX11CFLAGS="`${GDKPIXBUF_CONFIG} --cflags`"
 706      IMGX11LDFLAGS="`${GDKPIXBUF_CONFIG} --libs` -lgdk_pixbuf_xlib"
 707    elif test x"$have_imlib" = xyes; then
 708      AC_DEFINE(USE_W3MIMG_X11)
 709      IMGOBJS="$IMGOBJS x11/x11_w3mimg.o"
 710      IMGTARGETS="x11"
 711      AC_DEFINE(USE_IMLIB)
 712      IMGX11CFLAGS="`${IMLIB_CONFIG} --cflags`"
 713      IMGX11LDFLAGS="`${IMLIB_CONFIG} --libs`"
 714      IMGTARGETS="x11"
 715    elif test x"$have_imlib2" = xyes; then
 716      AC_DEFINE(USE_W3MIMG_X11)
 717      IMGOBJS="$IMGOBJS x11/x11_w3mimg.o"
 718      IMGTARGETS="x11"
 719      AC_DEFINE(USE_IMLIB2)
 720      IMGX11CFLAGS="`${IMLIB2_CONFIG} --cflags`"
 721      IMGX11LDFLAGS="`${IMLIB2_CONFIG} --libs`"
 722    else
 723      AC_MSG_WARN([unable to build w3mimgdisplay with X11 support])
 724    fi
 725   fi
 726   if test x"$fb" = xyes; then
 727    if test x"$have_gtk2" = xyes; then
 728      AC_DEFINE(USE_W3MIMG_FB)
 729      IMGOBJS="$IMGOBJS fb/fb_w3mimg.o fb/fb.o fb/fb_img.o"
 730      IMGTARGETS="${IMGTARGETS} fb"
 731      AC_DEFINE(USE_GDKPIXBUF)
 732      AC_DEFINE(USE_GTK2)
 733      IMGFBCFLAGS="`${PKG_CONFIG} --cflags gdk-pixbuf-2.0 gtk+-2.0`"
 734      IMGFBLDFLAGS="`${PKG_CONFIG} --libs gdk-pixbuf-2.0 gtk+-2.0`"
 735    elif test x"$have_gdkpixbuf" = xyes; then
 736      AC_DEFINE(USE_W3MIMG_FB)
 737      IMGOBJS="$IMGOBJS fb/fb_w3mimg.o fb/fb.o fb/fb_img.o"
 738      IMGTARGETS="${IMGTARGETS} fb"
 739      AC_DEFINE(USE_GDKPIXBUF)
 740      IMGFBCFLAGS="`${GDKPIXBUF_CONFIG} --cflags`"
 741      IMGFBLDFLAGS="`${GDKPIXBUF_CONFIG} --libs`"
 742    elif test x"$have_imlib2" = xyes; then
 743      AC_DEFINE(USE_W3MIMG_FB)
 744      IMGOBJS="$IMGOBJS fb/fb_w3mimg.o fb/fb.o fb/fb_img.o"
 745      IMGTARGETS="${IMGTARGETS} fb"
 746      AC_DEFINE(USE_IMLIB2)
 747      IMGOBJS="$IMGOBJS fb/fb_w3mimg.o fb/fb.o fb/fb_img.o"
 748      IMGFBCFLAGS="`${IMLIB2_CONFIG} --cflags`"
 749      IMGFBLDFLAGS="`${IMLIB2_CONFIG} --libs`"
 750    else
 751      AC_MSG_WARN([unable to build w3mimgdisplay with FB support])
 752    fi
 753   fi
 754   AC_DEFINE(IMGTARGETS, "$IMGTARGETS")
 755   AC_DEFINE(IMGOBJS, "$IMGOBJS")
 756   AC_DEFINE(IMGX11CFLAGS, "$IMGX11CFLAGS")
 757   AC_DEFINE(IMGX11LDFLAGS, "$IMGX11LDFLAGS")
 758   AC_DEFINE(IMGFBCFLAGS, "$IMGFBCFLAGS")
 759   AC_DEFINE(IMGFBLDFLAGS, "$IMGLDFLAGS")
 760  fi])
 761 # ----------------------------------------------------------------
 762 # AC_W3M_XFACE
 763 # ----------------------------------------------------------------
 764 AC_DEFUN([AC_W3M_XFACE],
 765 [AC_SUBST(USE_XFACE)
 766  AC_MSG_CHECKING(if xface is enabled)
 767  AC_ARG_ENABLE(xface,
 768   [   --disable-xface           disable xface support],,
 769   [enable_xface="$enable_image"])
 770  test x"$enable_xface" = xyes && AC_DEFINE(USE_XFACE)
 771  AC_MSG_RESULT($enable_xface)
 772  AC_CHECK_PROG(uncompface, uncompface, "yes", "no")
 773  test "$uncompface" = "no" && AC_MSG_WARN([uncompface is not installed.])
 774 ])
 775 #
 776 # ----------------------------------------------------------------
 777 # AC_W3M_IPv6
 778 # ----------------------------------------------------------------
 779 AC_DEFUN([AC_W3M_IPv6],
 780 [AC_MSG_CHECKING(if IPv6 support is enabled)
 781 AC_ARG_ENABLE(ipv6,
 782  [  --disable-ipv6              disable IPv6],,
 783  [enable_ipv6="yes"])
 784 AC_MSG_RESULT($enable_ipv6)
 785
 786 if test x"$enable_ipv6" = xyes; then
 787  AC_MSG_CHECKING(if IPv6 API available)
 788  AC_SUBST(INET6)
 789  AC_CHECK_FUNC(getaddrinfo,
 790         [enable_ipv6="yes"],
 791         [enable_ipv6="no"])
 792  if test x"$enable_ipv6" = xno; then
 793     AC_MSG_CHECKING(for libinet6)
 794     for dir in /usr/local/v6/lib /usr/local/lib /usr/lib
 795     do
 796         if test -f $dir/libinet6.a; then
 797           if test $dir != "/usr/lib"; then
 798                 W3M_LIBS="$W3M_LIBS -L$dir"
 799           fi
 800           AC_CHECK_LIB(inet6, getaddrinfo,
 801                 [enable_ipv6="yes"
 802                  use_libinet6="found"; W3M_LIBS="$W3M_LIBS -linet6"; break],
 803                 [use_libinet6="not found"])
 804         fi
 805     done
 806     AC_MSG_RESULT($use_libinet6)
 807  fi
 808  if test x"$enable_ipv6" = xyes; then
 809     AC_SUBST(HAVE_OLD_SS_FAMILY)
 810     AC_MSG_CHECKING(if struct sockaddr_storage has an ss_family member)
 811     AC_TRY_COMPILE([
 812 #include <sys/types.h>
 813 #include <sys/socket.h>
 814       ], [
 815         struct sockaddr_storage ss;
 816         int i = ss.ss_family;
 817       ],
 818       [AC_MSG_RESULT(yes)],
 819       [AC_TRY_COMPILE([
 820 #include <sys/types.h>
 821 #include <sys/socket.h>
 822         ],
 823         [
 824         struct sockaddr_storage ss;
 825         int i = ss.__ss_family;
 826         ],
 827         [AC_MSG_RESULT(no, but __ss_family exists)
 828          AC_DEFINE(HAVE_OLD_SS_FAMILY)],
 829         [AC_MSG_RESULT(no)
 830          AC_MSG_WARN(IPv6 support is disabled)
 831          enable_ipv6="no"])
 832       ])
 833  fi
 834  if test x"$enable_ipv6" = xyes; then
 835     AC_DEFINE(INET6)
 836  fi
 837 fi])
 838 #
 839 # ----------------------------------------------------------------
 840 # AC_W3M_SYS_ERRLIST
 841 # ----------------------------------------------------------------
 842 AC_DEFUN([AC_W3M_SYS_ERRLIST],
 843 [AC_SUBST(HAVE_SYS_ERRLIST)
 844 AC_MSG_CHECKING(for sys_errlist)
 845 AC_TRY_COMPILE(
 846 changequote(<<,>>)dnl
 847 <<extern char *sys_errlist[];>>,
 848 <<printf(sys_errlist[0]);>>,
 849 changequote([,])dnl
 850 [have_sys_errlist="yes"; AC_DEFINE(HAVE_SYS_ERRLIST)],
 851 [have_sys_errlist="no"])
 852 AC_MSG_RESULT($have_sys_errlist)])
 853 #
 854 # ----------------------------------------------------------------
 855 # AC_W3M_SIGSETJMP
 856 # ----------------------------------------------------------------
 857 AC_DEFUN([AC_W3M_SIGSETJMP],
 858 [AC_SUBST(HAVE_SIGSETJMP)
 859 AC_MSG_CHECKING(for sigsetjmp)
 860 AC_TRY_COMPILE(
 861 [#include <setjmp.h>],
 862 [ jmp_buf env;
 863    if (sigsetjmp(env, 1) != 0) { exit(0); } siglongjmp(env, 1);],
 864 [have_sigsetjmp="yes"; AC_DEFINE(HAVE_SIGSETJMP)],
 865 [have_sigsetjmp="no"])
 866 AC_MSG_RESULT($have_sigsetjmp)])
 867 #
 868 # ----------------------------------------------------------------
 869 # AC_W3M_SIGNAL_RETURN
 870 # ----------------------------------------------------------------
 871 AC_DEFUN([AC_W3M_SIGNAL],
 872 [AC_TYPE_SIGNAL
 873  AC_SUBST(RETSIGTYPE)
 874  AC_SUBST(SIGNAL_RETURN)
 875  if test x"$ac_cv_type_signal" = xvoid; then
 876   AC_DEFINE(SIGNAL_RETURN,return)
 877  else
 878   AC_DEFINE(SIGNAL_RETURN,return 0)
 879  fi])