aboutsummaryrefslogblamecommitdiffstats
path: root/acinclude.m4
blob: e10b7ed4206d76d3d6bd1e66d9e83b5e5c3e2e2a (plain) (tree)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488







































































































































































































































































































































































































































































































                                                                                                                         
























                                                                                                                  
                      




























































                                                                                              
                   












































                                                                            
                                                                   


                                        
                                                




                               
              

















                                           






                                     


               
                                    
                                







                                                                



                                                    
     















                                                 
                                     
                              

                                        
                             




                                                                                        
                                        

                             

                                                                   

                                        
                                        

                         




                                              
                                        

                          

                                               




                                                                  
                                     
                             

                                                          
                             




                                                                   
                                                          

                                  

                                                 

                                         

                                                          



                                                          

































































































































                                                                            
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
  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"$w3m_ssl" = xfound; then
    AC_DEFINE(USE_SSL)
    AC_MSG_CHECKING(if SSL certificate verify is enabled)
    AC_ARG_ENABLE(sslverify,
      [   --disable-sslverify		verify SSL certificate],,
      [enable_sslverify="yes"])
    test x"$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, $INSTALL_W3MIMGDISPLAY)
 AC_SUBST(USE_GDKPIXBUF)
 AC_SUBST(USE_GTK2)
 AC_SUBST(USE_IMLIB)
 AC_SUBST(USE_IMLIB2)
 AC_SUBST(IMGTARGETS)
 AC_SUBST(IMGOBJS)
 AC_SUBST(IMGX11CFLAGS)
 AC_SUBST(IMGX11LDFLAGS)
 AC_SUBST(IMGFBCFLAGS)
 AC_SUBST(IMGFBLDFLAGS)
 AC_MSG_CHECKING(if image is enabled)
 AC_ARG_ENABLE(image,
 [  --enable-image[=DEVS]		enable inline image handler for DEVS
				 DEVS may be comma separeted: x11,fb,fb+s
				 default: autodetected.
				 'no' means disable inline image],,
 [enable_image="yes"])
 AC_MSG_RESULT($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: 
				    gtk2 gdk-pixbuf imlib imlib2],,

   [with_imagelib="yes"])
  if test x"$with_imagelib" = xyes; then
    with_imagelib="gtk2 gdk-pixbuf imlib imlib2"
  fi
  AC_MSG_RESULT($with_imagelib)
  with_imlib=no
  with_imlib2=no
  with_gdkpixbuf=no
  with_gtk2=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"$GDKPIXBUF_CONFIG" = x; then
       GDKPIXBUF_CONFIG=gdk-pixbuf-config
     fi;;
   gtk2)
     with_gtk2="yes"
     if test x"$PKG_CONFIG" = x; then
       PKG_CONFIG=pkg-config
     else
       PKG_CONFIG=:
     fi;;
   esac
  done
  IMGTARGETS=""
  if test x"$with_gtk2" = xyes; then
   AC_W3M_CHECK_VER([GdkPixbuf],
	[`$PKG_CONFIG --modversion gdk-pixbuf-2.0 2>/dev/null`],
	2, 0, 0,
	[have_gdkpixbuf="yes"; have_gtk2="yes"],
	[have_gdkpixbuf="no"; have_gtk2="no"])
  fi
  if test x"$with_gdkpixbuf" = xyes; then
   if test x"$have_gdkpixbuf" != xyes; then
    AC_W3M_CHECK_VER([GdkPixbuf],
	[`$GDKPIXBUF_CONFIG --version 2>/dev/null`],
	0, 16, 0,
	[have_gdkpixbuf="yes"],
	[have_gdkpixbuf="no"])
   fi
  fi
  if test x"$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"$have_gtk2" = xyes; then
     AC_DEFINE(USE_W3MIMG_X11)
     IMGOBJS="$IMGOBJS x11/x11_w3mimg.o"
     IMGTARGETS="x11"    
     AC_DEFINE(USE_GDKPIXBUF)
     AC_DEFINE(USE_GTK2)
     IMGX11CFLAGS="`${PKG_CONFIG} --cflags gdk-pixbuf-2.0 gdk-pixbuf-xlib-2.0 gtk+-2.0`"
     IMGX11LDFLAGS="`${PKG_CONFIG} --libs gdk-pixbuf-2.0 gdk-pixbuf-xlib-2.0 gtk+-2.0`"
   elif test x"$have_gdkpixbuf" = xyes; then
     AC_DEFINE(USE_W3MIMG_X11)
     IMGOBJS="$IMGOBJS x11/x11_w3mimg.o"
     IMGTARGETS="x11"    
     AC_DEFINE(USE_GDKPIXBUF)
     IMGX11CFLAGS="`${GDKPIXBUF_CONFIG} --cflags`"
     IMGX11LDFLAGS="`${GDKPIXBUF_CONFIG} --libs` -lgdk_pixbuf_xlib"
   elif test x"$have_imlib" = xyes; then
     AC_DEFINE(USE_W3MIMG_X11)
     IMGOBJS="$IMGOBJS x11/x11_w3mimg.o"
     IMGTARGETS="x11"    
     AC_DEFINE(USE_IMLIB)
     IMGX11CFLAGS="`${IMLIB_CONFIG} --cflags`"
     IMGX11LDFLAGS="`${IMLIB_CONFIG} --libs`"
     IMGTARGETS="x11"    
   elif test x"$have_imlib2" = xyes; then
     AC_DEFINE(USE_W3MIMG_X11)
     IMGOBJS="$IMGOBJS x11/x11_w3mimg.o"
     IMGTARGETS="x11"    
     AC_DEFINE(USE_IMLIB2)
     IMGX11CFLAGS="`${IMLIB2_CONFIG} --cflags`"
     IMGX11LDFLAGS="`${IMLIB2_CONFIG} --libs`"
   else
     AC_MSG_WARN([unable to build w3mimgdisplay with X11 support])
   fi
  fi
  if test x"$fb" = xyes; then
   if test x"$have_gtk2" = xyes; then
     AC_DEFINE(USE_W3MIMG_FB)
     IMGOBJS="$IMGOBJS fb/fb_w3mimg.o fb/fb.o fb/fb_img.o"
     IMGTARGETS="${IMGTARGETS} fb"
     AC_DEFINE(USE_GDKPIXBUF)
     AC_DEFINE(USE_GTK2)
     IMGFBCFLAGS="`${PKG_CONFIG} --cflags gdk-pixbuf-2.0 gtk+-2.0`"
     IMGFBLDFLAGS="`${PKG_CONFIG} --libs gdk-pixbuf-2.0 gtk+-2.0`"
   elif test x"$have_gdkpixbuf" = xyes; then
     AC_DEFINE(USE_W3MIMG_FB)
     IMGOBJS="$IMGOBJS fb/fb_w3mimg.o fb/fb.o fb/fb_img.o"
     IMGTARGETS="${IMGTARGETS} fb"
     AC_DEFINE(USE_GDKPIXBUF)
     IMGFBCFLAGS="`${GDKPIXBUF_CONFIG} --cflags`"
     IMGFBLDFLAGS="`${GDKPIXBUF_CONFIG} --libs`"
   elif test x"$have_imlib2" = xyes; then
     AC_DEFINE(USE_W3MIMG_FB)
     IMGOBJS="$IMGOBJS fb/fb_w3mimg.o fb/fb.o fb/fb_img.o"
     IMGTARGETS="${IMGTARGETS} fb"
     AC_DEFINE(USE_IMLIB2)
     IMGOBJS="$IMGOBJS fb/fb_w3mimg.o fb/fb.o fb/fb_img.o"
     IMGFBCFLAGS="`${IMLIB2_CONFIG} --cflags`"
     IMGFBLDFLAGS="`${IMLIB2_CONFIG} --libs`"
   else
     AC_MSG_WARN([unable to build w3mimgdisplay with FB support])
   fi
  fi
  AC_DEFINE(IMGTARGETS, "$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])