1 dnl Process this file with autoconf to produce a configure script.
4 AC_INIT(src/main/main.c)
5 AC_CONFIG_AUX_DIR(config)
11 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Package version])
12 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Package version])
13 AC_CONFIG_HEADERS(config.h)
15 AC_CHECK_PROG(ACLOCAL,[aclocal],[aclocal],[config/missing aclocal])
16 AC_CHECK_PROG(AUTOCONF,[autoconf],[autoconf],[config/missing autoconf])
17 AC_CHECK_PROG(AUTOHEADER,[autoheader],[autoheader],[config/missing autoheader])
23 for make in gnumake gmake make false; do
24 if test "x$MAKE" = x; then
25 AC_PATH_PROGS(MAKE, "$make")
29 # Cleanup if we are configuring with a previous build in the tree
30 if test -e Makefile.config; then
31 "$MAKE" -C "$builddir" cleanall >/dev/null 2>/dev/null
36 dnl ===================================================================
37 dnl Load feature configuration file and start logging features.
38 dnl ===================================================================
40 features="features.conf"
41 AC_CHECK_FILE("$srcdir/$features", [ . $srcdir/$features ])
42 AC_CHECK_FILE("$builddir/$features", [ . $builddir/$features ])
43 echo "Feature summary:" > features.log
45 dnl ===================================================================
46 dnl Checks for programs.
47 dnl ===================================================================
51 AC_PATH_PROGS(AWK, "$AWK")
55 AC_PATH_PROGS(CG_COMMIT_ID, "cg-commit-id")
57 AC_PATH_PROGS(SPARSE, "sparse")
65 if test "x$CONFIG_DOC" != xno; then
66 AC_PATH_PROGS(ASCIIDOC, "asciidoc")
67 if test "x$ASCIIDOC" != "x"; then
68 EL_CONFIG(CONFIG_ASCIIDOC, [AsciiDoc])
69 EL_CONFIG(MANUAL_ASCIIDOC, [HTML (one file)])
70 EL_CONFIG(MAN_ASCIIDOC, [HTML])
73 AC_PATH_PROGS(XMLTO, "xmlto")
74 if test "x$XMLTO" != "x"; then
75 EL_CONFIG(CONFIG_XMLTO, [XmlTo])
76 EL_CONFIG(MANUAL_XMLTO, [HTML (multiple files)])
77 EL_CONFIG(MAN_XMLTO, [man (groff)])
80 AC_PATH_PROGS(JW, "jw")
81 if test "x$JW" != "x"; then
82 EL_CONFIG(CONFIG_JW, [JadeWrapper])
83 EL_CONFIG(MANUAL_JW, [PDF])
86 AC_PATH_PROGS(POD2HTML, "pod2html")
87 if test "x$POD2HTML" != "x"; then
88 EL_CONFIG(CONFIG_POD2HTML, [Pod2HTML])
92 AC_SUBST(CONFIG_ASCIIDOC)
93 AC_SUBST(CONFIG_POD2HTML)
94 AC_SUBST(CONFIG_XMLTO)
97 EL_CONFIG_DEPENDS(CONFIG_DOC, [CONFIG_ASCIIDOC CONFIG_XMLTO CONFIG_JW CONFIG_POD2HTML], [Documentation])
99 if test "$CONFIG_ASCIIDOC" = yes &&
100 test "$CONFIG_XMLTO" = yes &&
101 test "$CONFIG_JW" = yes; then
102 EL_CONFIG_DEPENDS(CONFIG_MANUAL, [MANUAL_ASCIIDOC MANUAL_XMLTO MANUAL_JW], [Manual Formats])
105 if test "$CONFIG_ASCIIDOC" = yes &&
106 test "$CONFIG_XMLTO" = yes; then
107 EL_CONFIG_DEPENDS(CONFIG_MANUAL, [MAN_ASCIIDOC MAN_XMLTO], [Man Page Formats])
110 AC_SUBST(CONFIG_ASCIIDOC)
111 AC_SUBST(CONFIG_POD2HTML)
112 AC_SUBST(CONFIG_XMLTO)
115 dnl gcc specific options (to be continued at the bottom of configure)
116 if test "x$ac_cv_prog_gcc" = "xyes"; then
117 dnl We want to see all warnings and live with none.
118 dnl We can't set up -Werror here as there may be some warnings in test
119 dnl suite of configure, and we don't want to fail them.
120 CFLAGS="$CFLAGS -Wall"
123 dnl ===================================================================
124 dnl Checks for special OSes.
125 dnl ===================================================================
127 dnl EL_CHECK_COMPILER_MACRO(define, name, flagname)
128 AC_DEFUN([EL_CHECK_COMPILER_MACROS],
130 AC_MSG_CHECKING([for $2])
133 AC_TRY_COMPILE(, [#ifndef $flag
135 #endif ], $1=yes, $1=no)
136 if test "[$]$1" = yes; then
137 EL_CONFIG([$1], [$2])
145 EL_CHECK_COMPILER_MACROS(CONFIG_BEOS, [BEOS], [__BEOS__])
146 AC_SUBST(CONFIG_BEOS)
148 EL_CHECK_COMPILER_MACROS(CONFIG_RISCOS, [RISCOS], [__riscos__])
149 AC_SUBST(CONFIG_RISCOS)
151 EL_CHECK_COMPILER_MACROS(CONFIG_WIN32, [WIN32], [_WIN32 __WIN32__])
152 AC_SUBST(CONFIG_WIN32)
154 EL_CHECK_COMPILER_MACROS(CONFIG_OS2, [EMX], [__EMX__])
156 test "$CONFIG_OS2" = yes && LDFLAGS=`echo "$LDFLAGS" | sed "s/-Zexe//g"`
158 AC_MSG_CHECKING([for UNIX])
159 dnl FIXME: some depend kind of mechanism
160 if test "$CONFIG_BEOS" = no && \
161 test "$CONFIG_RISCOS" = no && \
162 test "$CONFIG_WIN32" = no && \
163 test "$CONFIG_OS2" = no; then
164 EL_CONFIG(CONFIG_UNIX, [UNIX])
168 AC_MSG_RESULT($CONFIG_UNIX)
169 AC_SUBST(CONFIG_UNIX)
171 dnl ===================================================================
172 dnl Checks for header files.
173 dnl ===================================================================
180 AC_CHECK_HEADERS(fcntl.h limits.h time.h unistd.h)
181 AC_CHECK_HEADERS(sigaction.h)
182 AC_CHECK_HEADERS(arpa/inet.h)
183 AC_CHECK_HEADERS(netinet/in_systm.h netinet/in_system.h netinet/ip.h)
184 AC_CHECK_HEADERS(net/if.h netdb.h netinet/in.h netinet/in6_var.h)
185 AC_CHECK_HEADERS(ifaddrs.h)
186 AC_CHECK_HEADERS(sys/cygwin.h io.h)
187 AC_CHECK_HEADERS(sys/fmutex.h)
188 AC_CHECK_HEADERS(sys/ioctl.h sys/sockio.h)
189 AC_CHECK_HEADERS(sys/resource.h)
190 AC_CHECK_HEADERS(sys/select.h)
191 AC_CHECK_HEADERS(sys/signal.h)
192 AC_CHECK_HEADERS(sys/socket.h)
193 AC_CHECK_HEADERS(sys/time.h)
194 AC_CHECK_HEADERS(sys/utsname.h)
195 AC_CHECK_HEADERS(stdint.h inttypes.h)
196 AC_CHECK_HEADERS(locale.h pwd.h)
197 AC_CHECK_HEADERS(termios.h)
200 AC_CHECK_HEADERS(sys/un.h,
201 [CONFIG_INTERLINK=yes
202 EL_CONFIG([CONFIG_INTERLINK], [interlinking])],
203 [CONFIG_INTERLINK=no])
204 AC_SUBST(CONFIG_INTERLINK)
206 dnl ===================================================================
207 dnl Checks for typedefs, structures, and compiler characteristics.
208 dnl ===================================================================
213 EL_CHECK_CODE(typeof, HAVE_TYPEOF, [], [int a; typeof(a) b;])
218 EL_CHECK_TYPE(ssize_t, int)
219 EL_CHECK_SYS_TYPE(long long, HAVE_LONG_LONG, [])
220 EL_CHECK_INT_TYPE(int32_t, HAVE_INT32_T)
221 EL_CHECK_INT_TYPE(uint32_t, HAVE_UINT32_T)
222 EL_CHECK_INT_TYPE(uint16_t, HAVE_UINT16_T)
224 AC_CHECK_SIZEOF(char, 1)
225 AC_CHECK_SIZEOF(short, 2)
226 AC_CHECK_SIZEOF(int, 4)
227 AC_CHECK_SIZEOF(long, 4)
228 test "x$HAVE_LONG_LONG" = xyes && AC_CHECK_SIZEOF(long long, 8)
230 dnl Check for variadic macros
231 EL_CHECK_CODE([variadic macros], HAVE_VARIADIC_MACROS,
233 #define a(b,c...) printf(b,##c)],
234 [a("foo");a("%s","bar");a("%s%s","baz","quux");])
236 dnl Check for -rdynamic
237 dnl FIXME: This check doesn't work. Something to do with the compiler
238 dnl happily ignoring it and stderr not being checked for error messages.
239 AC_MSG_CHECKING([for -rdynamic])
241 LDFLAGS="$LDFLAGS -rdynamic"
242 AC_TRY_LINK([], [], have_rdynamic=yes, have_rdynamic=no)
243 test "$have_rdynamic" = no && LDFLAGS="$LDFLAGS_X"
244 AC_MSG_RESULT($have_rdynamic)
246 dnl ===================================================================
247 dnl Check for POSIX <regex.h>
248 dnl ===================================================================
250 EL_CHECK_SYS_TYPE(regex_t, HAVE_REGEX_H, [#include <regex.h>])
252 dnl ===================================================================
253 dnl Checks for library functions.
254 dnl ===================================================================
256 AC_PROG_GCC_TRADITIONAL
260 AC_CHECK_FUNCS(cfmakeraw gethostbyaddr herror strerror)
261 AC_CHECK_FUNCS(popen uname access chmod alarm timegm mremap)
262 AC_CHECK_FUNCS(strcasecmp strncasecmp strcasestr strstr strchr strrchr)
263 AC_CHECK_FUNCS(memmove bcopy stpcpy strdup index isdigit mempcpy memrchr)
264 AC_CHECK_FUNCS(snprintf vsnprintf asprintf vasprintf)
265 AC_CHECK_FUNCS(getifaddrs getpwnam inet_pton inet_ntop)
266 AC_CHECK_FUNCS(fflush fsync fseeko ftello sigaction)
267 AC_CHECK_FUNCS(gettimeofday clock_gettime)
269 AC_HAVE_FUNCS(cygwin_conv_to_full_win32_path)
271 AC_CHECK_FUNCS(setenv putenv, HAVE_SETENV_OR_PUTENV=yes)
272 AC_CHECK_FUNCS(getuid, HAVE_GETUID=yes)
273 AC_CHECK_FUNCS(geteuid, HAVE_GETEUID=yes)
275 dnl These aren't probably needed now, as they are commented in links.h.
276 dnl I've no idea about their historical background, but I keep them here
277 dnl just in the case they will help later. --pasky
278 AC_CHECK_FUNCS(getpid, HAVE_GETPID=yes)
279 AC_CHECK_FUNCS(setpgid getpgid setpgrp getpgrp)
280 AC_CHECK_FUNCS(raise, HAVE_RAISE=yes)
281 AC_CHECK_FUNCS(kill, HAVE_KILL=yes)
283 if test x"$HAVE_RAISE" = x; then
284 if test x"$HAVE_KILL" = x || test x"$HAVE_GETPID" = x; then
285 AC_ERROR([Unable to emulate raise()])
289 AC_CACHE_CHECK([for __va_copy],el_cv_HAVE_VA_COPY,[
290 AC_TRY_LINK([#include <stdarg.h>
291 va_list ap1,ap2;], [__va_copy(ap1,ap2);],
292 el_cv_HAVE_VA_COPY=yes,el_cv_HAVE_VA_COPY=no)])
293 if test x"$el_cv_HAVE_VA_COPY" = x"yes"; then
294 EL_DEFINE(HAVE_VA_COPY, __va_copy)
297 AC_CACHE_CHECK([for sysconf(_SC_PAGE_SIZE)],el_cv_HAVE_SC_PAGE_SIZE,[
298 AC_TRY_LINK([#include <unistd.h>
299 ], [int page_size = sysconf(_SC_PAGE_SIZE);],
300 el_cv_HAVE_SC_PAGE_SIZE=yes,el_cv_HAVE_SC_PAGE_SIZE=no)])
301 if test x"$el_cv_HAVE_SC_PAGE_SIZE" = x"yes"; then
302 EL_DEFINE(HAVE_SC_PAGE_SIZE, _SC_PAGE_SIZE)
305 AC_CACHE_CHECK([for C99 vsnprintf],el_cv_HAVE_C99_VSNPRINTF,[
314 int bar(char *buf, const char *format, va_list ap)
316 return vsnprintf(buf, 0, format, ap);
319 void foo(const char *format, ...) {
323 va_start(ap, format);
324 len = bar(buf, format, ap);
326 if ((len != 6) && (len != 7)) exit(1); /* \n -> \r\n */
328 va_start(ap, format);
329 len = bar(buf, format, ap);
331 if ((len != 6) && (len != 7)) exit(1);
333 if (snprintf(buf, 3, "hello") != 5 || strcmp(buf, "he") != 0) exit(1);
337 main() { foo("hello\n"); }
339 el_cv_HAVE_C99_VSNPRINTF=yes,el_cv_HAVE_C99_VSNPRINTF=no,el_cv_HAVE_C99_VSNPRINTF=cross)])
340 if test x"$el_cv_HAVE_C99_VSNPRINTF" = x"yes"; then
341 EL_DEFINE(HAVE_C99_VSNPRINTF, [C99 compliant vsnprintf()])
344 AC_CHECK_LIB(dl, dlopen) # OpenSSL and Lua frequently needs it
346 dnl ===================================================================
347 dnl Checks for libraries.
348 dnl ===================================================================
350 dnl Replace `main' with a function in -lsocket:
351 AC_CHECK_FUNC(socket, cf_result=yes, cf_result=no)
352 if test "$cf_result" = no; then
353 AC_CHECK_LIB(socket, socket)
356 AC_CHECK_FUNC(setsockopt, cf_result=yes, cf_result=no)
357 if test "$cf_result" = no; then
358 AC_CHECK_LIB(socket, setsockopt)
361 AC_CHECK_FUNC(gethostbyname, cf_result=yes, cf_result=no)
362 if test "$cf_result" = no; then
363 AC_CHECK_LIB(socket, gethostbyname, cf_result=yes, cf_result=no)
364 if test "$cf_result" = no; then
365 AC_CHECK_LIB(nsl, gethostbyname)
367 test -z "`echo $LIBS | grep -- -lsocket`" && LIBS="$LIBS -lsocket"
371 dnl ===================================================================
372 dnl Checks for packaging specific options.
373 dnl ===================================================================
375 AC_ARG_WITH(xterm, [ --with-xterm how to invoke the X terminal emulator],
376 [ if test "$withval" != no && test "$withval" != yes; then
377 AC_DEFINE_UNQUOTED(XTERM, "$withval", [How to invoke XTerm])
380 dnl ===================================================================
381 dnl Checks for a libraries, optional even if installed.
382 dnl ===================================================================
384 dnl EL_CHECK_OPTIONAL_LIBRARY(define, name, header, lib, function)
385 AC_DEFUN([EL_CHECK_OPTIONAL_LIBRARY],
387 AC_MSG_CHECKING([for $2 support])
389 if test "[$]$1" != no; then
392 if test -n "$withval" && test -d "$withval"; then
393 CFLAGS="$CFLAGS -I$withval/include";
394 CPPFLAGS="$CPPFLAGS -I$withval/include";
395 LDFLAGS="$LDFLAGS -L$withval/lib";
398 AC_CHECK_HEADERS([$3], [$1=yes], [$1=no; break;])
399 if test "[$]$1" = yes; then
400 AC_CHECK_LIB([$4], [$5], [$1=yes], [$1=no])
403 if test "[$]$1" = yes; then
404 EL_CONFIG([$1], [$2])
407 if test -n "[$]WITHVAL_$1" &&
408 test "[$]WITHVAL_$1" != xno; then
409 AC_MSG_ERROR([$2 not found])
414 AC_MSG_RESULT(disabled)
418 dnl EL_CONFIG_OPTIONAL_LIBRARY(define, name, header, lib, function, confhelp)
419 AC_DEFUN([EL_CONFIG_OPTIONAL_LIBRARY],
424 AC_ARG_WITH([$2], [$6], [WITHVAL_$1="[$]withval"])
425 if test "x[$]WITHVAL_$1" = xno; then $1=no; fi
427 EL_CHECK_OPTIONAL_LIBRARY([$1], [$2], [$3], [$4], [$5])
429 EL_LOG_CONFIG([$1], [$2], [])
432 EL_CONFIG_OPTIONAL_LIBRARY(CONFIG_GPM, gpm, gpm.h, gpm, Gpm_Open,
433 [ --without-gpm disable gpm (mouse) support])
435 EL_CONFIG_OPTIONAL_LIBRARY(CONFIG_GZIP, zlib, zlib.h, z, gzdopen,
436 [ --without-zlib disable zlib support])
438 EL_CONFIG_OPTIONAL_LIBRARY(CONFIG_BZIP2, bzlib, bzlib.h, bz2, BZ2_bzReadOpen,
439 [ --without-bzlib disable bzlib support])
441 EL_CONFIG_OPTIONAL_LIBRARY(CONFIG_IDN, idn, idna.h, idn, stringprep_check_version,
442 [ --without-idn disable international domain names support])
444 dnl ===================================================================
445 dnl Bookmark and XBEL support
446 dnl ===================================================================
450 EL_ARG_ENABLE(CONFIG_BOOKMARKS, bookmarks, [Bookmarks],
451 [ --disable-bookmarks disable bookmark support])
453 # Check whether --enable-xbel or --disable-xbel was given.
454 if test "x${enable_xbel}" != xno; then
455 AC_CHECK_HEADERS(expat.h, HAVE_LIBEXPAT=yes, HAVE_LIBEXPAT=no)
457 if test "$HAVE_LIBEXPAT" = yes; then
458 AC_CHECK_LIB(expat, XML_ParserCreate, HAVE_LIBEXPAT=yes, HAVE_LIBEXPAT=no)
459 if test "$HAVE_LIBEXPAT" = yes; then
466 EL_ARG_DEPEND(CONFIG_XBEL_BOOKMARKS, xbel, [CONFIG_BOOKMARKS:yes HAVE_LIBEXPAT:yes],
468 [ --disable-xbel disable XBEL bookmark support (requires expat)])
470 if test "$CONFIG_XBEL_BOOKMARKS" != yes; then
474 dnl ===================================================================
475 dnl Checks for BSD sysmouse
476 dnl ===================================================================
478 HAVE_SYSMOUSE_HEADER="no"
480 # Either of these header files provides the (same) sysmouse interface
481 AC_CHECK_HEADERS(sys/consio.h machine/console.h, [HAVE_SYSMOUSE_HEADER="yes"])
483 dnl ===================================================================
485 dnl ===================================================================
487 if test "$CONFIG_OS2" = yes; then
491 dnl ===================================================================
493 dnl ===================================================================
495 if test "$CONFIG_WIN32" = yes; then
499 dnl ===================================================================
500 dnl Check for Guile, optional even if installed.
501 dnl ===================================================================
505 AC_ARG_WITH(guile, [ --with-guile enable Guile support],
506 [ if test "x$withval" != xno; then enable_guile=yes; fi ])
508 # The following is probably bad, ugly and so on. Stolen from Guile's (1.4)
509 # GUILE_FLAGS but I really don't want to require people to have Guile in order
510 # to compile CVS. Also, the macro seems to be really stupid regarding searching
511 # for Guile in $PATH etc. --pasky
513 AC_MSG_CHECKING([for Guile])
515 if test "$enable_guile" = "yes"; then
517 ## Based on the GUILE_FLAGS macro.
519 if test -d "$withval"; then
520 GUILE_PATH="$withval:$PATH"
525 AC_PATH_PROG(GUILE_CONFIG, guile-config, no, $GUILE_PATH)
527 ## First, let's just see if we can find Guile at all.
528 if test "$GUILE_CONFIG" != no; then
531 GUILE_LIBS="`guile-config link`"
532 GUILE_CFLAGS="`guile-config compile`"
533 LIBS="$GUILE_LIBS $LIBS"
534 CPPFLAGS="$CPPFLAGS $GUILE_CFLAGS"
535 EL_CONFIG(CONFIG_GUILE, [Guile])
536 AC_SUBST(GUILE_CFLAGS)
538 ***********************************************************************
539 The Guile support is incomplete and not so well integrated to ELinks
540 yet. That means, ie., that you have no Guile console and there might
541 not be all the necessary hooks. Also, the Guile interface is not too
542 well tested (success stories heartily welcomed!). See
543 src/scripting/guile/README for further details and hints.
544 ***********************************************************************
547 if test -n "$withval" && test "x$withval" != xno; then
548 AC_MSG_ERROR([Guile not found])
550 AC_MSG_WARN([Guile support disabled])
557 dnl ===================================================================
559 dnl ===================================================================
562 AC_ARG_WITH(perl, [ --with-perl enable Perl support],
564 if test "$withval" = yes; then
565 # FIXME: If withval is a valid directory append it to PATH
566 # so that you can specify one of several perl installations.
572 AC_MSG_CHECKING([for Perl])
578 if test "$enable_perl" = "yes"; then
579 PERL_LIBS="`perl -MExtUtils::Embed -e ldopts`"
580 PERL_CFLAGS="`perl -MExtUtils::Embed -e ccopts`"
581 LIBS="$PERL_LIBS $LIBS"
582 CFLAGS="$PERL_CFLAGS $CFLAGS"
583 CPPFLAGS="$CPPFLAGS $PERL_CFLAGS"
589 [PerlInterpreter *my_perl = perl_alloc();],
590 cf_result=yes, cf_result=no)
593 if test "$cf_result" != "yes"; then
596 EL_CONFIG(CONFIG_PERL, [Perl])
600 AC_SUBST(PERL_CFLAGS)
603 if test "$cf_result"; then AC_MSG_RESULT($cf_result); fi
604 dnl ===================================================================
606 dnl ===================================================================
609 AC_ARG_WITH(python, [ --with-python enable Python support],
611 if test "$withval" = yes; then
612 # FIXME: If withval is a valid directory append it to PATH
613 # so that you can specify one of several Python installations.
617 ***********************************************************************
618 The Python support is incomplete and not so well integrated to ELinks
619 yet. That means, ie., that you have no Python console and there might
620 not be all the necessary hooks. Also, the Python interface is not too
621 well tested (success stories heartily welcomed!).
622 ***********************************************************************
627 AC_MSG_CHECKING([for Python])
633 if test "$enable_python" = "yes"; then
634 PYTHON_LIBS="-lpython"
635 PYTHON_CFLAGS="-I`python -c 'from distutils import sysconfig; print sysconfig.get_python_inc()' 2> /dev/null`"
636 LIBS="$PYTHON_LIBS $LIBS"
637 CFLAGS="$PYTHON_CFLAGS $CFLAGS"
638 CPPFLAGS="$CPPFLAGS $PYTHON_CFLAGS"
643 cf_result=yes, cf_result=no)
646 if test "$cf_result" != "yes"; then
649 EL_CONFIG(CONFIG_PYTHON, [Python])
652 AC_SUBST(PYTHON_LIBS)
653 AC_SUBST(PYTHON_CFLAGS)
656 if test "$cf_result"; then AC_MSG_RESULT($cf_result); fi
659 dnl ===================================================================
660 dnl Check for Lua, optional even if installed.
661 dnl ===================================================================
663 dnl Do this the long way, as FreeBSD reportedly needs -L<dir> for
664 dnl anything other than /usr/lib, and Lua is very often in /usr/local/lib.
666 AC_ARG_WITH(lua, [ --without-lua disable Lua support],
667 [if test "$withval" = no; then disable_lua=yes; fi])
668 AC_MSG_CHECKING([for Lua])
673 if test -z "$disable_lua"; then
674 if test ! -d "$withval"; then
677 for luadir in "$withval" "" /usr /usr/local; do
678 for suffix in "" 50 51; do
679 if test "$cf_result" = no; then
680 LUA_LIBS="-llua$suffix -llualib$suffix -lm"
682 if test ! -z "$luadir"; then
683 LUA_LIBS="-L$luadir/lib $LUA_LIBS"
684 LUA_CFLAGS="-I$luadir/include -I$luadir/include/lua$suffix"
687 LIBS="$LUA_LIBS $LIBS_X"
688 CFLAGS="$CFLAGS_X $LUA_CFLAGS"
689 CPPFLAGS="$CPPFLAGS_X $LUA_CFLAGS"
691 # Check that it is a compatible Lua version
692 AC_TRY_LINK([ #include <lua.h>
693 #include <lualib.h>],
694 [ lua_State *L = lua_open();
699 lua_pushboolean(L, 1);
701 cf_result=yes, cf_result=no)
707 AC_MSG_RESULT($cf_result)
709 if test "$cf_result" != yes; then
712 EL_CONFIG(CONFIG_LUA, [Lua])
713 AC_CHECK_HEADERS(lauxlib.h)
721 dnl ===================================================================
722 dnl Check for Ruby, optional even if installed.
723 dnl ===================================================================
727 dnl ===================================================================
728 dnl Check for SEE, optional even if installed.
729 dnl ===================================================================
733 dnl ===================================================================
734 dnl Setup global scripting
735 dnl ===================================================================
737 EL_CONFIG_DEPENDS(CONFIG_SCRIPTING, [CONFIG_GUILE CONFIG_LUA CONFIG_PERL CONFIG_PYTHON CONFIG_RUBY CONFIG_SEE], [Scripting])
738 AC_SUBST(CONFIG_GUILE)
740 AC_SUBST(CONFIG_PERL)
741 AC_SUBST(CONFIG_PYTHON)
742 AC_SUBST(CONFIG_RUBY)
744 AC_SUBST(CONFIG_SCRIPTING)
747 dnl ===================================================================
748 dnl Check for SpiderMonkey, optional even if installed.
749 dnl ===================================================================
751 AC_ARG_WITH(spidermonkey, [ --without-spidermonkey disable SpiderMonkey Mozilla JavaScript engine support],
752 [if test "$withval" = no; then disable_spidermonkey=yes; fi])
753 AC_MSG_CHECKING([for SpiderMonkey])
758 if test -z "$disable_spidermonkey"; then
759 if test ! -d "$withval"; then
762 for spidermonkeydir in "$withval" "" /usr /usr/local /opt/spidermonkey /opt/js; do
763 for spidermonkeyinclude in "/include" "/include/js" "/include/smjs"; do
764 for spidermonkeylib in js smjs; do
765 if test "$cf_result" = no; then
766 SPIDERMONKEY_LIBS="-l$spidermonkeylib"
768 if test ! -z "$spidermonkeydir"; then
769 SPIDERMONKEY_LIBS="-L$spidermonkeydir/lib $SPIDERMONKEY_LIBS"
770 SPIDERMONKEY_CFLAGS="-I$spidermonkeydir$spidermonkeyinclude"
773 LIBS="$SPIDERMONKEY_LIBS $LIBS_X"
774 CFLAGS="$CFLAGS_X $SPIDERMONKEY_CFLAGS"
775 CPPFLAGS="$CPPFLAGS_X $SPIDERMONKEY_CFLAGS"
777 AC_TRY_LINK([#define XP_UNIX
779 [JS_GetImplementationVersion()],
780 cf_result=yes, cf_result=no)
787 AC_MSG_RESULT($cf_result)
789 if test "$cf_result" != yes; then
792 EL_CONFIG(CONFIG_SPIDERMONKEY, [SpiderMonkey])
795 AC_SUBST(SPIDERMONKEY_LIBS)
796 AC_SUBST(SPIDERMONKEY_CFLAGS)
799 AC_SUBST(CONFIG_SPIDERMONKEY)
801 EL_CONFIG_DEPENDS(CONFIG_ECMASCRIPT, [CONFIG_SPIDERMONKEY], [ECMAScript (JavaScript)])
804 dnl ===================================================================
805 dnl Check for SSL support.
806 dnl ===================================================================
808 dnl We by default use OpenSSL, and we always prefer it. However, when GNUTLS
809 dnl is enabled, we won't try to use OpenSSL anymore.
811 dnl For wiping SSL hooks..
818 AC_ARG_WITH(gnutls, [ --without-gnutls disable GNUTLS SSL support],
819 [if test "$with_gnutls" = no; then disable_gnutls=yes; fi])
820 AC_ARG_WITH(gnutls, [ --with-gnutls[=DIR] enable GNUTLS SSL support],
821 [if test "$with_gnutls" != no; then enable_gnutls=yes; fi])
822 gnutls_withval="$withval"
824 if test "$enable_gnutls" = yes; then
828 AC_ARG_WITH(openssl, [ --without-openssl disable OpenSSL support],
829 [if test "$with_openssl" = no; then disable_openssl=yes; fi])
830 AC_ARG_WITH(openssl, [ --with-openssl[=DIR] enable OpenSSL support (default)])
831 openssl_withval="$withval"
835 AC_MSG_CHECKING([for OpenSSL])
840 if test "$disable_openssl" = yes; then
843 for ssldir in "$openssl_withval" "" /usr /usr/local/openssl \
844 /usr/lib/openssl /usr/local/ssl \
845 /usr/local/www /usr/lib/ssl /usr/local \
846 /usr/pkg /opt /opt/openssl; do
847 if test "$cf_result" = no; then
848 if test -d "$ssldir"; then
849 OPENSSL_CFLAGS="-I$ssldir/include"
850 LIBS="-L$ssldir/lib -lssl -lcrypto $LIBS_X"
851 CFLAGS="$CFLAGS_X $OPENSSL_CFLAGS"
852 CPPFLAGS="$CPPFLAGS_X $OPENSSL_CFLAGS"
853 # # FIXME: This created serious portability problems. --pasky
854 # if test "$CC" == "gcc"; then
855 # # I'm not sure about compatibility here. --pasky
856 # LIBS="$LIBS -R$ssldir/lib"
859 LIBS="-lssl -lcrypto $LIBS_X"
861 AC_TRY_LINK([#include <openssl/ssl.h>],
862 [OpenSSL_add_all_algorithms()],
863 cf_result=yes, cf_result=no)
864 if test "$cf_result" != yes; then
865 AC_TRY_LINK([#include <openssl/ssl.h>],
866 [SSLeay_add_ssl_algorithms()],
867 cf_result=yes, cf_result=no)
872 if test "$cf_result" != yes; then
873 if test -n "$openssl_withval" && test "x$openssl_withval" != xno; then
874 AC_MSG_ERROR([OpenSSL not found])
878 EL_CONFIG(CONFIG_OPENSSL, [OpenSSL])
881 AC_SUBST(OPENSSL_CFLAGS)
885 AC_MSG_RESULT($cf_result)
888 dnl We can't have AC_MSG_CHECKING here, because AC_PATH_PROG prints its own and
889 dnl it looks ugly then.
891 if test "$cf_result" = yes; then
898 if test -z "$disable_gnutls"; then
899 # Sure, we maybe _could_ use their macro, but how to ensure
900 # that the ./configure script won't fail if the macro won't be
901 # found..? :( --pasky
903 GNUTLS_PATH="$PATH:/usr/local/gnutls:/opt:/opt/gnutls"
905 if test -d "$gnutls_withval"; then
906 GNUTLS_PATH="$gnutls_withval:$GNUTLS_PATH"
909 AC_PATH_PROG(LIBGNUTLS_CONFIG, libgnutls-config, no, $GNUTLS_PATH)
911 if test "$LIBGNUTLS_CONFIG" = "no" ; then
914 GNUTLS_CFLAGS=`$LIBGNUTLS_CONFIG --cflags`
915 GNUTLS_LIBS=`$LIBGNUTLS_CONFIG --libs`
917 LIBS="$GNUTLS_LIBS $LIBS_X"
918 CFLAGS="$CFLAGS_X $GNUTLS_CFLAGS"
919 CPPFLAGS="$CPPFLAGS_X $GNUTLS_CFLAGS"
921 # Verify if it's really usable
922 AC_TRY_LINK([#include <gnutls/gnutls.h>],
923 [gnutls_check_version(NULL)],
924 cf_result=yes, cf_result=no)
927 if test "$cf_result" = yes; then
928 EL_CONFIG(CONFIG_GNUTLS, [GNUTLS])
931 AC_SUBST(GNUTLS_CFLAGS)
933 # Verify if the MD5 compatibility layer is usable.
934 CONFIG_GNUTLS_OPENSSL_COMPAT=yes
935 EL_CHECK_OPTIONAL_LIBRARY(CONFIG_GNUTLS_OPENSSL_COMPAT,
936 [GNU TLS OpenSSL compatibility],
937 gnutls/openssl.h, gnutls-openssl,
940 if test -n "$gnutls_withval" && test "x$gnutls_withval" != xno; then
941 AC_MSG_ERROR([GNUTLS not found])
948 AC_MSG_CHECKING([for GNU TLS])
949 AC_MSG_RESULT($cf_result)
953 EL_CONFIG_DEPENDS(CONFIG_SSL, [CONFIG_OPENSSL CONFIG_GNUTLS], [SSL])
954 AC_SUBST(CONFIG_OPENSSL)
955 AC_SUBST(CONFIG_GNUTLS)
959 AC_MSG_CHECKING([whether to be or not to be])
960 AC_MSG_RESULT([needs to be determined experimentally])
962 dnl ===================================================================
963 dnl Check for IPv6 support and related functions.
964 dnl ===================================================================
966 EL_CHECK_NET_TYPE(struct sockaddr_storage, HAVE_SA_STORAGE, [])
967 EL_CHECK_NET_TYPE(struct sockaddr_in6, HAVE_SA_IN6, [#include <netinet/in.h>])
968 EL_CHECK_NET_TYPE(struct addrinfo, HAVE_ADDRINFO, [#include <netdb.h>])
970 AC_CHECK_FUNC(getaddrinfo, HAVE_GETADDRINFO=yes, HAVE_GETADDRINFO=no)
971 if test "$HAVE_GETADDRINFO" != yes; then
972 AC_CHECK_LIB(inet6, getaddrinfo, HAVE_GETADDRINFO=yes, HAVE_GETADDRINFO=no)
973 if test "$HAVE_GETADDRINFO" = yes; then
979 dnl ===================================================================
980 dnl Checking for X11 (window title restoring).
981 dnl ===================================================================
984 if test x"$no_x" != xyes; then
985 if test -n "$x_includes"; then
986 X_CFLAGS="-I$x_includes"
987 CPPFLAGS="$CPPFLAGS -I$x_includes"
989 if test -n "$x_libraries"; then
990 LDFLAGS="$LDFLAGS -L$x_libraries"
993 EL_DEFINE(HAVE_X11, [X11 for restoring window titles])
998 dnl ===================================================================
999 dnl Backtraces displaying support.
1000 dnl ===================================================================
1002 AC_CHECK_HEADERS(execinfo.h, HAVE_EXECINFO=yes, HAVE_EXECINFO=no)
1003 # possible checks for other system-specific means go here
1006 dnl ===================================================================
1007 dnl SMB protocol support.
1008 dnl ===================================================================
1010 AC_CHECK_PROG(HAVE_SMBCLIENT, smbclient, yes, no)
1013 dnl ===================================================================
1014 dnl Gettext grey zone. Beware.
1015 dnl ===================================================================
1017 ALL_LINGUAS="be bg ca cs da de el es et fi fr gl hr hu id is it lt nl nb pl pt pt_BR ro ru sk sr sv tr uk"
1021 dnl AC_MSG_CHECKING([how many characters your English alphabet has])
1022 dnl # f33r d4 l33t... I hope it's portable. :)
1023 dnl cf_result=$((48#z - 48#a + 1));
1024 dnl AC_MSG_RESULT($cf_result)
1027 dnl ===================================================================
1028 dnl Compile-time features control
1029 dnl ===================================================================
1031 EL_ARG_ENABLE(CONFIG_COOKIES, cookies, [Cookies],
1032 [ --disable-cookies disable cookie support])
1034 EL_ARG_ENABLE(CONFIG_FORMHIST, formhist, [Form history],
1035 [ --disable-formhist disable form history support])
1037 EL_ARG_ENABLE(CONFIG_GLOBHIST, globhist, [Global history],
1038 [ --disable-globhist disable global history support])
1041 EL_ARG_ENABLE(CONFIG_MAILCAP, mailcap, [Mailcap],
1042 [ --disable-mailcap disable mailcap support])
1044 EL_ARG_ENABLE(CONFIG_MIMETYPES, mimetypes, [Mimetypes files],
1045 [ --disable-mimetypes disable mimetypes files support])
1048 EL_ARG_DEPEND(CONFIG_IPV6, ipv6,
1049 [HAVE_SA_STORAGE:yes HAVE_SA_IN6:yes HAVE_ADDRINFO:yes HAVE_GETADDRINFO:yes],
1051 [ --disable-ipv6 disable IPv6 support])
1053 EL_ARG_ENABLE(CONFIG_BITTORRENT, bittorrent, [BitTorrent protocol],
1054 [ --enable-bittorrent enable BitTorrent protocol support])
1056 EL_ARG_ENABLE(CONFIG_DATA, data, [Data protocol],
1057 [ --disable-data disable data protocol support])
1059 EL_ARG_ENABLE(CONFIG_URI_REWRITE, uri-rewrite, [URI rewriting],
1060 [ --disable-uri-rewrite disable URI rewrite support])
1062 EL_ARG_DEPEND(CONFIG_CGI, cgi, [HAVE_SETENV_OR_PUTENV:yes], [Local CGI],
1063 [ --enable-cgi enable local CGI support])
1065 EL_ARG_ENABLE(CONFIG_FINGER, finger, [Finger protocol],
1066 [ --enable-finger enable finger protocol support])
1068 EL_ARG_ENABLE(CONFIG_FTP, ftp, [FTP protocol],
1069 [ --disable-ftp disable ftp protocol support])
1071 EL_ARG_ENABLE(CONFIG_GOPHER, gopher, [Gopher protocol],
1072 [ --enable-gopher enable gopher protocol support])
1074 EL_ARG_ENABLE(CONFIG_NNTP, nntp, [NNTP protocol],
1075 [ --enable-nntp enable nntp protocol support])
1077 EL_ARG_DEPEND(CONFIG_SMB, smb, [HAVE_SMBCLIENT:yes], [SMB protocol],
1078 [ --disable-smb disable SMB protocol support (requires smbclient)])
1081 EL_ARG_ENABLE(CONFIG_MOUSE, mouse, [Mouse handling],
1082 [ --disable-mouse disable mouse support])
1084 # GPM mouse is Linux specific, so ...
1086 EL_ARG_DEPEND(CONFIG_SYSMOUSE, sysmouse,
1087 [CONFIG_MOUSE:yes CONFIG_GPM:no HAVE_SYSMOUSE_HEADER:yes],
1089 [ --disable-sysmouse disable BSD sysmouse support])
1091 EL_ARG_ENABLE(CONFIG_88_COLORS, 88-colors, [88 colors],
1092 [ --enable-88-colors enable 88 color support])
1094 EL_ARG_ENABLE(CONFIG_256_COLORS, 256-colors, [256 colors],
1095 [ --enable-256-colors enable 256 color support])
1098 EL_ARG_ENABLE(CONFIG_EXMODE, exmode, [Exmode interface],
1099 [ --enable-exmode enable exmode (CLI) interface])
1101 EL_ARG_ENABLE(CONFIG_LEDS, leds, [LEDs],
1102 [ --disable-leds disable LEDs support])
1104 EL_ARG_ENABLE(CONFIG_MARKS, marks, [Marks],
1105 [ --disable-marks disable document marks support])
1108 EL_ARG_ENABLE(CONFIG_CSS, css, [Cascading Style Sheets],
1109 [ --disable-css disable Cascading Style Sheet support])
1111 EL_ARG_DEPEND(CONFIG_HTML_HIGHLIGHT, html-highlight, [CONFIG_CSS:yes], [HTML highlighting],
1112 [ --enable-html-highlight HTML highlighting using DOM engine])
1114 dnl Everything in the tree already uses CONFIG_DOM
1115 dnl so resolve CONFIG_HTML_HIGHLIGHT to CONFIG_DOM
1116 EL_CONFIG_DEPENDS(CONFIG_DOM, [CONFIG_HTML_HIGHLIGHT], [DOM engine])
1118 EL_ARG_DEPEND(CONFIG_BACKTRACE, backtrace, [HAVE_EXECINFO:yes], [Backtrace],
1119 [ --disable-backtrace disable backtrace support])
1121 EL_ARG_DEPEND(CONFIG_NO_ROOT_EXEC, no-root, [HAVE_GETUID:yes HAVE_GETEUID:yes], [No root exec],
1122 [ --enable-no-root enable prevention of usage by root])
1125 EL_ARG_ENABLE(CONFIG_DEBUG, debug, [Debug mode],
1126 [ --enable-debug enable leak debug and internal error checking])
1128 EL_ARG_DEPEND(CONFIG_FASTMEM, fastmem, [CONFIG_DEBUG:no], [Fast mode],
1129 [ --enable-fastmem enable direct use of system allocation functions, not usable with --enable-debug])
1131 EL_ARG_ENABLE(CONFIG_OWN_LIBC, own-libc, [Own libc stubs],
1132 [ --enable-own-libc force use of internal functions instead of those of system libc])
1134 EL_ARG_ENABLE(CONFIG_SMALL, small, [Small binary],
1135 [ --enable-small reduce binary size as far as possible (but see the bottom of doc/small.txt!)])
1137 if test "$CONFIG_OPENSSL" != yes &&
1138 test "$CONFIG_GNUTLS_OPENSSL_COMPAT" != yes ||
1139 test "$CONFIG_OWN_LIBC" = yes;
1141 AC_MSG_CHECKING(for built-in MD5 support)
1143 EL_CONFIG(CONFIG_MD5, [Built-in MD5])
1146 AC_SUBST(CONFIG_MD5)
1148 if test "$CONFIG_BITTORRENT" = yes; then
1149 if test "$CONFIG_OPENSSL" != yes ||
1150 test "$CONFIG_OWN_LIBC" = yes;
1152 AC_MSG_CHECKING(for built-in SHA1 support)
1154 EL_CONFIG(CONFIG_SHA1, [Built-in SHA1])
1158 AC_SUBST(CONFIG_SHA1)
1160 if test "$CONFIG_CSS" = yes || test "$CONFIG_DOM" = yes;
1162 EL_CONFIG(CONFIG_SCANNER, [Built-in scanner])
1164 AC_SUBST(CONFIG_SCANNER)
1166 AC_ARG_ENABLE(weehoofooboomookerchoo,
1168 Also check out the features.conf file for more information about features!
1170 [AC_MSG_ERROR(Are you strange, or what?)])
1175 test "$CONFIG_OS2" = yes && LDFLAGS="$LDFLAGS -Zexe"
1176 test "$CONFIG_OS2" = yes && LDFLAGS=`echo "$LDFLAGS" | sed "s/-Zbin-files//g"`
1179 dnl ===================================================================
1180 dnl Export directory paths
1181 dnl ===================================================================
1183 # Set up the ``entry points'' if they were not supplied by builder
1184 test "x$prefix" = xNONE && prefix=$ac_default_prefix
1185 test "x$exec_prefix" = xNONE && exec_prefix=${prefix}
1187 # Create CONFDIR #define for config.h
1189 # XXX: This may be dependent on a particular version of autoconf. Whatever,
1190 # it's autoconf fault to force us to do such hacks ;p.
1191 if test x"$sysconfdir" = x"\${prefix}/etc"; then
1192 # sysconfdir is set to its default value... fine, let's append /elinks/
1193 # XXX: We can't modify listing of the default in ./configure --help :-(
1194 sysconfdir_n=`eval echo "$sysconfdir"`
1195 sysconfdir=$sysconfdir_n
1196 (echo "$sysconfdir" | grep elinks >/dev/null 2>/dev/null) || \
1197 sysconfdir="$sysconfdir/elinks"
1201 AC_DEFINE_UNQUOTED(CONFDIR, "$CONFDIR", [Directory containing default config])
1204 # Create LOCALEDIR #define for config.h
1205 LOCALEDIR=`eval echo "$datadir/locale"`
1206 AC_DEFINE_UNQUOTED(LOCALEDIR, "$LOCALEDIR", [Directory containing locales])
1209 # Create LIBDIR #define for config.h
1210 LIBDIR=`eval echo "$libdir"`
1211 AC_DEFINE_UNQUOTED(LIBDIR, "$LIBDIR", [Directory containing libraries])
1214 EL_LOG_CONFIG(CONFDIR, [System configuration directory], [])
1215 EL_LOG_CONFIG(LOCALEDIR, [Locale catalogs directory], [])
1217 dnl ===================================================================
1218 dnl A little fine tuning of gcc specific options (continued)
1219 dnl ===================================================================
1221 if test "x$ac_cv_prog_gcc" = "xyes"; then
1222 if test "$CONFIG_DEBUG" = "yes"; then
1223 dnl We want to see all warnings and live with none (in debug mode).
1224 CFLAGS="$CFLAGS -Werror"
1227 case "`gcc -dumpversion`" in
1229 # These should be ok using -Werror
1232 # If gcc is version 3.3 (or higher?) it emits lots of false positive
1233 # "dereferencing type-punned pointer will break strict-aliasing rules"
1234 # warnings. Disable them by not doing any strict-aliasing. The
1235 # alternative is just too ugly. Thanks gcc guys!! ;)
1236 CFLAGS="$CFLAGS -fno-strict-aliasing"
1239 # Do not show warnings related to (char * | unsigned char *) type
1241 CFLAGS="$CFLAGS -fno-strict-aliasing -Wno-pointer-sign"
1244 # These should be ok using -Werror
1249 # CFLAGS doesn't contain all compile flags. Some will be added only when
1250 # needed in the respective source directory. To get all compile flags
1251 # easily just add CPPFLAGS.
1252 ALL_CFLAGS="$CFLAGS $CPPFLAGS"
1254 EL_LOG_CONFIG(ALL_CFLAGS, [Compiler options (CFLAGS)], [])
1255 EL_LOG_CONFIG(LIBS, [Linker options (LIBS)], [])
1257 dnl ===================================================================
1259 dnl ===================================================================
1263 contrib/elinks.spec \
1264 contrib/lua/hooks.lua \
1265 contrib/conv/w3m2links.awk \
1266 doc/man/man1/elinks.1 \
1267 src/intl/gettext/ref-add.sed \
1268 src/intl/gettext/ref-del.sed
1271 abs_srcdir="$(cd "$srcdir" && pwd)"
1272 # builddir is always absolute!
1273 if test "$abs_srcdir" != "$builddir"; then
1274 echo "include $abs_srcdir/Makefile" > "$builddir/Makefile"
1275 "$MAKE" "SRC=$abs_srcdir" init
1279 dnl ===================================================================
1280 dnl Configuration summary
1281 dnl ===================================================================
1283 AC_MSG_RESULT(The following feature summary has been saved to features.log)