1 dnl Template file for GNU Autoconf
2 dnl Copyright (C) 1995, 1996, 1997, 2001, 2007, 2008, 2009 Free Software
5 dnl This program is free software; you can redistribute it and/or modify
6 dnl it under the terms of the GNU General Public License as published by
7 dnl the Free Software Foundation; either version 3 of the License, or
8 dnl (at your option) any later version.
10 dnl This program is distributed in the hope that it will be useful,
11 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
12 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 dnl GNU General Public License for more details.
15 dnl You should have received a copy of the GNU General Public License
16 dnl along with this program. If not, see <http://www.gnu.org/licenses/>.
18 dnl Additional permission under GNU GPL version 3 section 7
20 dnl If you modify this program, or any covered work, by linking or
21 dnl combining it with the OpenSSL project's OpenSSL library (or a
22 dnl modified version of that library), containing parts covered by the
23 dnl terms of the OpenSSL or SSLeay licenses, the Free Software Foundation
24 dnl grants you additional permission to convey the resulting work.
25 dnl Corresponding Source for a non-source form of such a combination
26 dnl shall include the source code for the parts of OpenSSL used as well
27 dnl as that of the covered work.
30 dnl Process this file with autoconf to produce a configure script.
39 dnl What version of Wget are we building?
41 AC_MSG_NOTICE([configuring for GNU Wget $PACKAGE_VERSION])
43 AC_CONFIG_MACRO_DIR([m4])
44 AC_CONFIG_AUX_DIR([build-aux])
49 AM_INIT_AUTOMAKE(dist-bzip2 dist-lzma 1.9)
52 dnl Get cannonical host
55 AC_DEFINE_UNQUOTED([OS_TYPE], "$host_os",
56 [Define to be the name of the operating system.])
63 [[ --without-ssl disable SSL autodetection]])
66 [ --disable-opie disable support for opie or s/key FTP login],
67 ENABLE_OPIE=$enableval, ENABLE_OPIE=yes)
68 test x"${ENABLE_OPIE}" = xyes && AC_DEFINE([ENABLE_OPIE], 1,
69 [Define if you want the Opie support for FTP compiled in.])
72 [ --disable-digest disable support for HTTP digest authorization],
73 ENABLE_DIGEST=$enableval, ENABLE_DIGEST=yes)
74 test x"${ENABLE_DIGEST}" = xyes && AC_DEFINE([ENABLE_DIGEST], 1,
75 [Define if you want the HTTP Digest Authorization compiled in.])
78 [ --disable-ntlm disable support for NTLM authorization],
79 [ENABLE_NTLM=$enableval], [ENABLE_NTLM=auto])
82 [ --disable-debug disable support for debugging output],
83 ENABLE_DEBUG=$enableval, ENABLE_DEBUG=yes)
84 test x"${ENABLE_DEBUG}" = xyes && AC_DEFINE([ENABLE_DEBUG], 1,
85 [Define if you want the debug output support compiled in.])
89 case "${ENABLE_OPIE}${ENABLE_DIGEST}" in
98 dnl We want these before the checks, so the checks can modify their values.
99 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
100 test -z "$CC" && cc_specified=yes
112 AM_GNU_GETTEXT([external],[need-ngettext])
113 AM_GNU_GETTEXT_VERSION([0.17])
119 dnl Turn on optimization by default. Specifically:
121 dnl if the user hasn't specified CFLAGS, then
122 dnl if compiler is gcc, then
123 dnl use -O2 and some warning flags
125 dnl use os-specific flags or -O
126 if test -n "$auto_cflags"; then
127 if test -n "$GCC"; then
128 CFLAGS="$CFLAGS -O2 -Wall"
131 *hpux*) CFLAGS="$CFLAGS +O3" ;;
132 *ultrix* | *osf*) CFLAGS="$CFLAGS -O -Olimit 2000" ;;
133 *) CFLAGS="$CFLAGS -O" ;;
139 dnl Checks for basic compiler characteristics.
145 dnl Check for basic headers, even though we expect them to exist and
146 dnl #include them unconditionally in the code. Their detection is
147 dnl still needed because test programs used by Autoconf macros check
148 dnl for STDC_HEADERS, HAVE_SYS_TYPES_H, etc. before using them.
149 dnl Without the checks they will fail to be included in test programs,
150 dnl which will subsequently fail.
153 dnl Check for large file support. This check needs to come fairly
154 dnl early because it could (in principle) affect whether functions and
155 dnl headers are available, whether they work, etc.
157 AC_CHECK_SIZEOF(off_t)
160 dnl Checks for system header files that might be missing.
163 AC_CHECK_HEADERS(unistd.h sys/time.h)
164 AC_CHECK_HEADERS(termios.h sys/ioctl.h sys/select.h utime.h sys/utime.h)
165 AC_CHECK_HEADERS(stdint.h inttypes.h pwd.h wchar.h)
167 AC_CHECK_DECLS(h_errno,,,[#include <netdb.h>])
170 dnl Check sizes of integer types. These are used to find n-bit
171 dnl integral types on older systems that fail to provide intN_t and
172 dnl uintN_t typedefs.
174 AC_CHECK_SIZEOF(short)
176 AC_CHECK_SIZEOF(long)
177 AC_CHECK_SIZEOF(long long)
178 AC_CHECK_SIZEOF(void *)
181 dnl Checks for non-universal or system-specific types.
185 AC_CHECK_TYPES([uint32_t, uintptr_t, intptr_t, int64_t])
186 AC_CHECK_TYPES(sig_atomic_t, [], [], [
188 #include <sys/types.h>
190 # include <inttypes.h>
199 dnl Checks for library functions.
203 AC_CHECK_FUNCS(strptime timegm snprintf vsnprintf vasprintf drand48)
204 AC_CHECK_FUNCS(strtoll usleep ftello sigblock sigsetjmp memrchr wcwidth mbtowc)
205 AC_CHECK_FUNCS(sleep symlink)
207 if test x"$ENABLE_OPIE" = xyes; then
208 AC_LIBOBJ([ftp-opie])
211 dnl We expect to have these functions on Unix-like systems configure
212 dnl runs on. The defines are provided to get them in config.h.in so
213 dnl Wget can still be ported to non-Unix systems (such as Windows)
214 dnl that lack some of these functions.
215 AC_DEFINE([HAVE_STRCASECMP], 1, [Define to 1 if you have the `strcasecmp' function.])
216 AC_DEFINE([HAVE_STRNCASECMP], 1, [Define to 1 if you have the `strncasecmp' function.])
217 AC_DEFINE([HAVE_STRDUP], 1, [Define to 1 if you have the `strdup' function.])
218 AC_DEFINE([HAVE_ISATTY], 1, [Define to 1 if you have the `isatty' function.])
221 dnl Call Wget-specific macros defined in aclocal.
230 dnl Deal with specific hosts
233 AC_SUBST(W32LIBS, '-lwsock32')
234 AC_LIBOBJ([mswindows])
239 dnl Checks for libraries.
242 AS_IF([test x"$with_ssl" = xgnutls], [
243 dnl Now actually check for -lssl
244 AC_LIB_HAVE_LINKFLAGS([gnutls], [], [
245 #include <gnutls/gnutls.h>
246 ], [gnutls_global_init()])
247 if test x"$LIBGNUTLS" != x
249 AC_MSG_NOTICE([compiling in support for SSL via GnuTLS])
252 AC_MSG_ERROR([--with-ssl=gnutls was given, but GNUTLS is not available.])
255 # --with-ssl is not gnutls: check if it's no
256 AS_IF([test x"$with_ssl" != xno], [
257 dnl As of this writing (OpenSSL 0.9.6), the libcrypto shared library
258 dnl doesn't record its dependency on libdl, so we need to make sure
259 dnl -ldl ends up in LIBS on systems that have it. Most OSes use
260 dnl dlopen(), but HP-UX uses shl_load().
261 AC_CHECK_LIB(dl, dlopen, [], [
262 AC_CHECK_LIB(dl, shl_load)
265 dnl Now actually check for -lssl
266 AC_LIB_HAVE_LINKFLAGS([ssl], [crypto], [
267 #include <openssl/ssl.h>
268 #include <openssl/x509.h>
269 #include <openssl/err.h>
270 #include <openssl/rand.h>
271 #include <openssl/des.h>
272 #include <openssl/md4.h>
273 #include <openssl/md5.h>
274 ], [SSL_library_init ()])
275 if test x"$LIBSSL" != x
277 AC_MSG_NOTICE([compiling in support for SSL via OpenSSL])
279 elif test x"$with_ssl" != x
281 AC_MSG_ERROR([--with-ssl was given, but SSL is not available.])
283 ]) # endif: --with-ssl == no?
284 ]) # endif: --with-ssl == gnutls?
287 dnl Enable NTLM if requested and if SSL is available.
288 if test x"$LIBSSL" != x
290 if test x"$ENABLE_NTLM" != xno
292 AC_DEFINE([ENABLE_NTLM], 1,
293 [Define if you want the NTLM authorization support compiled in.])
294 AC_LIBOBJ([http-ntlm])
297 dnl If SSL is unavailable and the user explicitly requested NTLM,
299 if test x"$ENABLE_NTLM" = xyes
301 AC_MSG_ERROR([NTLM authorization requested and OpenSSL not found; aborting])
306 dnl Find an MD5 implementation. Since Wget rarely needs MD5, we try
307 dnl to use an existing library implementation to save on code size.
310 if test x"$wget_need_md5" = xyes
312 dnl This should be moved to an AC_DEFUN, but I'm not sure how to
313 dnl manipulate MD5_OBJ from the defun.
318 dnl Check for the system MD5 library on Solaris. We don't check for
319 dnl something simple like "MD5Update" because there are a number of
320 dnl MD5 implementations that use that name, but have an otherwise
321 dnl incompatible interface. md5_calc is, hopefully, specific to the
322 dnl Solaris MD5 library.
323 if test x"$found_md5" = xno; then
324 AC_CHECK_LIB(md5, md5_calc, [
325 dnl Some installations have bogus <md5.h> in the compiler's
326 dnl include path, making the system md5 library useless.
327 AC_MSG_CHECKING([for working md5.h])
328 AC_COMPILE_IFELSE([#include <md5.h>
331 AC_DEFINE([HAVE_SOLARIS_MD5], 1, [Define when using Solaris MD5.])
334 AC_MSG_NOTICE([using the Solaris MD5 implementation])
335 ], [AC_MSG_RESULT(no)])
339 dnl Then see if we're linking OpenSSL anyway; if yes, use its md5
341 if test x"$found_md5" = xno; then
342 if test x"$LIBSSL" != x; then
343 AC_DEFINE([HAVE_OPENSSL_MD5], 1, [Define when using OpenSSL MD5.])
345 AC_MSG_NOTICE([using the OpenSSL MD5 implementation])
349 dnl If none of the above worked, use the one we ship with Wget.
350 if test x"$found_md5" = xno; then
351 AC_DEFINE([HAVE_BUILTIN_MD5], 1, [Define when using built-in MD5.])
353 AC_MSG_NOTICE([using the built-in (GNU) MD5 implementation])
356 AC_SUBST(MD5_CPPFLAGS, '-I $(top_srcdir)/md5')
357 AC_SUBST(MD5_LDADD, '../md5/libmd5.a')
358 AC_SUBST(MD5_SUBDIR, md5)
361 AC_DEFINE([HAVE_MD5], 1, [Define if we're compiling support for MD5.])
364 dnl **********************************************************************
366 dnl **********************************************************************
369 dnl We test for IPv6 by checking, in turn, for availability of
370 dnl getaddrinfo, presence of the INET6 address/protocol family, and
371 dnl the existence of struct sockaddr_in6. If any of them is missing,
372 dnl IPv6 is disabled, and the code reverts to old-style gethostbyname.
374 dnl If --enable-ipv6 is explicitly specified on the configure command
375 dnl line, we check for IPv6 and abort if not found. If --disable-ipv6
376 dnl is specified, we disable IPv6 and don't check for it. The default
377 dnl is to autodetect IPv6 and use it where available.
381 AC_HELP_STRING([--disable-ipv6],[disable IPv6 support]),
382 [case "${enable_ipv6}" in
384 AC_MSG_NOTICE([disabling IPv6 at user request])
385 dnl Disable IPv6 checking
389 dnl IPv6 explicitly enabled: force its use (abort if unavailable).
394 dnl Auto-detect IPv6, i.e. check for IPv6, but don't force it.
398 AC_MSG_ERROR([Invalid --enable-ipv6 argument \`$enable_ipv6'])
402 dnl If nothing is specified, assume auto-detection.
407 if test "X$ipv6" = "Xyes"; then
408 AC_CHECK_FUNCS(getaddrinfo, [], [
409 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support getaddrinfo(3)])
414 if test "X$ipv6" = "Xyes"; then
416 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support the PF_INET6 protocol family])
421 if test "X$ipv6" = "Xyes"; then
422 TYPE_STRUCT_SOCKADDR_IN6([],[
423 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support \`struct sockaddr_in6'])
426 if test "X$ipv6" = "Xyes"; then
427 WGET_STRUCT_SOCKADDR_STORAGE
432 if test "X$ipv6" = "Xyes"; then
433 AC_DEFINE([ENABLE_IPV6], 1, [Define if IPv6 support is enabled.])
434 AC_MSG_NOTICE([Enabling support for IPv6.])
435 elif test "x$force_ipv6" = "xyes"; then
436 AC_MSG_ERROR([IPv6 support requested but not found; aborting])
441 dnl Set of available languages.
443 dnl Originally this used to be static, looking like this:
444 dnl ALL_LINGUAS="cs de hr it ..."
445 dnl The downside was that configure needed to be rebuilt whenever a
446 dnl new language was added.
448 ALL_LINGUAS="en@quot en@boldquot en_US $(cd ${srcdir}/po && ls *.po | grep -v 'en@.*quot' | grep -v 'en_US\.po' | sed -e 's/\.po$//' | tr '\012' ' ')"
451 dnl Find makeinfo. We used to provide support for Emacs processing
452 dnl Texinfo using `emacs -batch -eval ...' where makeinfo is
453 dnl unavailable, but that broke with the addition of makeinfo-specific
454 dnl command-line options, such as `-I'. Now we depend on makeinfo to
455 dnl build the Info documentation.
458 AC_CHECK_PROGS(MAKEINFO, [makeinfo], [true])
461 dnl Find perl and pod2man
464 AC_PATH_PROGS(PERL, [perl5 perl], no)
465 AC_PATH_PROG(POD2MAN, pod2man, no)
467 if test "x${POD2MAN}" = xno; then
468 COMMENT_IF_NO_POD2MAN="# "
470 COMMENT_IF_NO_POD2MAN=
472 AC_SUBST(COMMENT_IF_NO_POD2MAN)
476 dnl Check for IDN/IRIs
480 AC_HELP_STRING([--disable-iri],[disable IDN/IRIs support]),
481 [case "${enable_iri}" in
483 dnl Disable IRIs checking
484 AC_MSG_NOTICE([disabling IRIs at user request])
488 dnl IRIs explicitly enabled
497 AC_MSG_ERROR([Invalid --enable-iri argument \`$enable_iri'])
501 dnl If nothing is specified, assume auto-detection
506 AC_ARG_WITH(libidn, AC_HELP_STRING([--with-libidn=[DIR]],
507 [Support IDN/IRIs (needs GNU Libidn)]),
508 libidn=$withval, libidn="")
509 AS_IF([test "X$iri" != "Xno"],[
512 if test "X$am_cv_func_iconv" != "Xyes"; then
514 if test "X$force_iri" = "Xyes"; then
515 AC_MSG_ERROR([Libiconv is required for IRIs support])
517 AC_MSG_NOTICE([disabling IRIs because libiconv wasn't found])
521 # For some reason, this seems to be set even when we don't check.
526 if test "X$iri" != "Xno"; then
527 if test "$libidn" != ""; then
528 LDFLAGS="${LDFLAGS} -L$libidn/lib"
529 CPPFLAGS="${CPPFLAGS} -I$libidn/include"
532 # If idna.h can't be found, check to see if it was installed under
533 # /usr/include/idn (OpenSolaris, at least, places it there).
534 # Check for idn-int.h in that case, because idna.h won't find
535 # idn-int.h until we've decided to add -I/usr/include/idn.
536 AC_CHECK_HEADER(idna.h, ,
537 [AC_CHECK_HEADER(idn/idn-int.h,
538 [CPPFLAGS="${CPPFLAGS} -I/usr/include/idn"],
542 if test "X$iri" != "Xno"; then
543 AC_CHECK_LIB(idn, stringprep_check_version,
544 [iri=yes LIBS="${LIBS} -lidn"], iri=no)
547 if test "X$iri" != "Xno" ; then
548 AC_DEFINE([ENABLE_IRI], 1, [Define if IRI support is enabled.])
549 AC_MSG_NOTICE([Enabling support for IRI.])
551 AC_MSG_WARN([Libidn not found])
556 dnl Needed by src/Makefile.am
557 AM_CONDITIONAL([IRI_IS_ENABLED], [test "X$iri" != "Xno"])
563 AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile util/Makefile
564 po/Makefile.in tests/Makefile tests/WgetTest.pm
565 lib/Makefile md5/Makefile windows/Makefile])
566 AC_CONFIG_HEADERS([src/config.h])