1 dnl Template file for GNU Autoconf
2 dnl Copyright (C) 1995, 1996, 1997, 2001, 2007, 2008, 2009, 2010, 2011
3 dnl Free Software Foundation, Inc.
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.
34 m4_esyscmd([build-aux/git-version-gen .tarball-version]),
39 dnl What version of Wget are we building?
41 AC_MSG_NOTICE([configuring for GNU Wget $PACKAGE_VERSION])
43 AC_CONFIG_MACRO_DIR([m4])
44 AC_CONFIG_AUX_DIR([build-aux])
46 AC_CONFIG_SRCDIR([src/wget.h])
51 AM_INIT_AUTOMAKE([1.9])
54 dnl Get cannonical host
57 AC_DEFINE_UNQUOTED([OS_TYPE], "$host_os",
58 [Define to be the name of the operating system.])
65 [[ --without-ssl disable SSL autodetection
66 --with-ssl={gnutls,openssl} specify the SSL backend. GNU TLS is the default.]])
69 [[ --without-zlib disable zlib ]])
72 [ --disable-opie disable support for opie or s/key FTP login],
73 ENABLE_OPIE=$enableval, ENABLE_OPIE=yes)
74 test x"${ENABLE_OPIE}" = xyes && AC_DEFINE([ENABLE_OPIE], 1,
75 [Define if you want the Opie support for FTP compiled in.])
78 [ --disable-digest disable support for HTTP digest authorization],
79 ENABLE_DIGEST=$enableval, ENABLE_DIGEST=yes)
80 test x"${ENABLE_DIGEST}" = xyes && AC_DEFINE([ENABLE_DIGEST], 1,
81 [Define if you want the HTTP Digest Authorization compiled in.])
84 [ --disable-ntlm disable support for NTLM authorization],
85 [ENABLE_NTLM=$enableval], [ENABLE_NTLM=auto])
88 [ --disable-debug disable support for debugging output],
89 ENABLE_DEBUG=$enableval, ENABLE_DEBUG=yes)
90 test x"${ENABLE_DEBUG}" = xyes && AC_DEFINE([ENABLE_DEBUG], 1,
91 [Define if you want the debug output support compiled in.])
97 dnl We want these before the checks, so the checks can modify their values.
98 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
99 test -z "$CC" && cc_specified=yes
110 AM_GNU_GETTEXT([external],[need-ngettext])
111 AM_GNU_GETTEXT_VERSION([0.17])
117 dnl Turn on optimization by default. Specifically:
119 dnl if the user hasn't specified CFLAGS, then
120 dnl if compiler is gcc, then
121 dnl use -O2 and some warning flags
123 dnl use os-specific flags or -O
124 if test -n "$auto_cflags"; then
125 if test -n "$GCC"; then
126 CFLAGS="$CFLAGS -O2 -Wall"
129 *hpux*) CFLAGS="$CFLAGS +O3" ;;
130 *ultrix* | *osf*) CFLAGS="$CFLAGS -O -Olimit 2000" ;;
131 *) CFLAGS="$CFLAGS -O" ;;
137 dnl Checks for basic compiler characteristics.
143 dnl Check for basic headers, even though we expect them to exist and
144 dnl #include them unconditionally in the code. Their detection is
145 dnl still needed because test programs used by Autoconf macros check
146 dnl for STDC_HEADERS, HAVE_SYS_TYPES_H, etc. before using them.
147 dnl Without the checks they will fail to be included in test programs,
148 dnl which will subsequently fail.
151 dnl Check for large file support. This check needs to come fairly
152 dnl early because it could (in principle) affect whether functions and
153 dnl headers are available, whether they work, etc.
155 AC_CHECK_SIZEOF(off_t)
158 dnl Checks for system header files that might be missing.
161 AC_CHECK_HEADERS(unistd.h sys/time.h)
162 AC_CHECK_HEADERS(termios.h sys/ioctl.h sys/select.h utime.h sys/utime.h)
163 AC_CHECK_HEADERS(stdint.h inttypes.h pwd.h wchar.h)
165 AC_CHECK_DECLS(h_errno,,,[#include <netdb.h>])
168 dnl Check sizes of integer types. These are used to find n-bit
169 dnl integral types on older systems that fail to provide intN_t and
170 dnl uintN_t typedefs.
172 AC_CHECK_SIZEOF([short])
173 AC_CHECK_SIZEOF([int])
174 AC_CHECK_SIZEOF([long])
175 AC_CHECK_SIZEOF([long long])
176 AC_CHECK_SIZEOF([void *])
179 dnl Checks for non-universal or system-specific types.
183 AC_CHECK_TYPES([uint32_t, uintptr_t, intptr_t, int64_t])
184 AC_CHECK_TYPES(sig_atomic_t, [], [], [
186 #include <sys/types.h>
188 # include <inttypes.h>
197 dnl Checks for library functions.
201 AC_CHECK_FUNCS(strptime timegm vsnprintf vasprintf drand48 pathconf)
202 AC_CHECK_FUNCS(strtoll usleep ftello sigblock sigsetjmp memrchr wcwidth mbtowc)
203 AC_CHECK_FUNCS(sleep symlink utime)
205 if test x"$ENABLE_OPIE" = xyes; then
206 AC_LIBOBJ([ftp-opie])
209 dnl We expect to have these functions on Unix-like systems configure
210 dnl runs on. The defines are provided to get them in config.h.in so
211 dnl Wget can still be ported to non-Unix systems (such as Windows)
212 dnl that lack some of these functions.
213 AC_DEFINE([HAVE_STRCASECMP], 1, [Define to 1 if you have the `strcasecmp' function.])
214 AC_DEFINE([HAVE_STRNCASECMP], 1, [Define to 1 if you have the `strncasecmp' function.])
215 AC_DEFINE([HAVE_STRDUP], 1, [Define to 1 if you have the `strdup' function.])
216 AC_DEFINE([HAVE_ISATTY], 1, [Define to 1 if you have the `isatty' function.])
219 dnl Call Wget-specific macros defined in aclocal.
227 dnl Deal with specific hosts
231 AC_LIBOBJ([mswindows])
237 dnl Checks for libraries.
240 AS_IF([test x"$with_zlib" != xno], [
241 AC_CHECK_LIB(z, compress)
244 AS_IF([test x"$with_ssl" = xopenssl], [
245 dnl some versions of openssl use zlib compression
246 AC_CHECK_LIB(z, compress)
248 dnl As of this writing (OpenSSL 0.9.6), the libcrypto shared library
249 dnl doesn't record its dependency on libdl, so we need to make sure
250 dnl -ldl ends up in LIBS on systems that have it. Most OSes use
251 dnl dlopen(), but HP-UX uses shl_load().
252 AC_CHECK_LIB(dl, dlopen, [], [
253 AC_CHECK_LIB(dl, shl_load)
259 dnl prefer link to openssl dlls if possible. if not then fallback on static libs. if not then error
261 AC_CHECK_LIB(eay32, EVP_MD_CTX_init)
262 if test x"$ac_cv_lib_eay32_EVP_MD_CTX_init" != xno
264 AC_CHECK_LIB(ssl32, SSL_connect, [
266 AC_MSG_NOTICE([Enabling support for SSL via OpenSSL (shared)])
268 LIBS="${LIBS} -lssl32"
269 AC_DEFINE([HAVE_LIBSSL32], [1], [Define to 1 if you have the `ssl32' library (-lssl32).])
271 AC_MSG_ERROR([openssl not found: shared lib eay32 found but ssl32 not found]))
275 dnl fallback and test static libs
277 dnl add zdll lib as dep for above tests?
281 AS_IF([test x$ssl_found != xyes],
283 dnl Now actually check for -lssl if it wasn't already found
284 AC_LIB_HAVE_LINKFLAGS([ssl], [crypto z], [
285 #include <openssl/ssl.h>
286 #include <openssl/x509.h>
287 #include <openssl/err.h>
288 #include <openssl/rand.h>
289 #include <openssl/des.h>
290 #include <openssl/md4.h>
291 #include <openssl/md5.h>
292 ], [SSL_library_init ()])
293 if test x"$LIBSSL" != x
296 AC_MSG_NOTICE([compiling in support for SSL via OpenSSL])
299 elif test x"$with_ssl" != x
301 AC_MSG_ERROR([--with-ssl=openssl was given, but SSL is not available.])
306 # --with-ssl is not gnutls: check if it's no
307 AS_IF([test x"$with_ssl" != xno], [
308 dnl Now actually check for -lssl
310 AC_CHECK_LIB(z, compress)
311 AC_CHECK_LIB(gpg-error, gpg_err_init)
312 AC_CHECK_LIB(gcrypt, gcry_control)
314 dnl Now actually check for -lssl
315 AC_LIB_HAVE_LINKFLAGS([gnutls], [], [
316 #include <gnutls/gnutls.h>
317 ], [gnutls_global_init()])
318 if test x"$LIBGNUTLS" != x
321 AC_MSG_NOTICE([compiling in support for SSL via GnuTLS])
323 LIBS="$LIBGNUTLS $LIBS"
325 AC_MSG_ERROR([--with-ssl was given, but GNUTLS is not available.])
328 AC_CHECK_FUNCS(gnutls_priority_set_direct)
329 ]) # endif: --with-ssl == no?
330 ]) # endif: --with-ssl == openssl?
332 dnl Enable NTLM if requested and if SSL is available.
333 if test x"$LIBSSL" != x || test "$ac_cv_lib_ssl32_SSL_connect" = yes
335 if test x"$ENABLE_NTLM" != xno
337 AC_DEFINE([ENABLE_NTLM], 1,
338 [Define if you want the NTLM authorization support compiled in.])
339 AC_LIBOBJ([http-ntlm])
342 AC_CHECK_LIB(nettle, nettle_md4_init, [HAVE_NETTLE=yes], [HAVE_NETTLE=no; AC_MSG_WARN(*** libnettle was not found. You will not be able to use NTLM)])
344 if test x"$HAVE_NETTLE" = xyes
346 AC_SUBST(NETTLE_LIBS, "-lnettle")
347 AC_DEFINE([HAVE_NETTLE], [1], [Use libnettle])
348 if test x"$ENABLE_NTLM" != xno
350 AC_DEFINE([ENABLE_NTLM], 1,
351 [Define if you want the NTLM authorization support compiled in.])
352 AC_LIBOBJ([http-ntlm])
353 LIBS="$NETTLE_LIBS $LIBS"
356 dnl If SSL is unavailable and the user explicitly requested NTLM,
358 if test x"$ENABLE_NTLM" = xyes
360 AC_MSG_ERROR([NTLM authorization requested and SSL not enabled; aborting])
365 dnl **********************************************************************
367 dnl **********************************************************************
370 dnl We test for IPv6 by checking, in turn, for availability of
371 dnl presence of the INET6 address/protocol family and the existence of
372 dnl struct sockaddr_in6. If any of them is missing, IPv6 is disabled,
373 dnl and the code reverts to old-style gethostbyname.
375 dnl If --enable-ipv6 is explicitly specified on the configure command
376 dnl line, we check for IPv6 and abort if not found. If --disable-ipv6
377 dnl is specified, we disable IPv6 and don't check for it. The default
378 dnl is to autodetect IPv6 and use it where available.
382 AC_HELP_STRING([--disable-ipv6],[disable IPv6 support]),
383 [case "${enable_ipv6}" in
385 AC_MSG_NOTICE([disabling IPv6 at user request])
386 dnl Disable IPv6 checking
390 dnl IPv6 explicitly enabled: force its use (abort if unavailable).
395 dnl Auto-detect IPv6, i.e. check for IPv6, but don't force it.
399 AC_MSG_ERROR([Invalid --enable-ipv6 argument \`$enable_ipv6'])
403 dnl If nothing is specified, assume auto-detection.
408 if test "X$ipv6" = "Xyes"; then
410 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support the PF_INET6 protocol family])
415 if test "X$ipv6" = "Xyes"; then
416 TYPE_STRUCT_SOCKADDR_IN6([],[
417 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support \`struct sockaddr_in6'])
420 if test "X$ipv6" = "Xyes"; then
421 WGET_STRUCT_SOCKADDR_STORAGE
426 if test "X$ipv6" = "Xyes"; then
427 AC_DEFINE([ENABLE_IPV6], 1, [Define if IPv6 support is enabled.])
428 AC_MSG_NOTICE([Enabling support for IPv6.])
429 elif test "x$force_ipv6" = "xyes"; then
430 AC_MSG_ERROR([IPv6 support requested but not found; aborting])
434 dnl Find makeinfo. We used to provide support for Emacs processing
435 dnl Texinfo using `emacs -batch -eval ...' where makeinfo is
436 dnl unavailable, but that broke with the addition of makeinfo-specific
437 dnl command-line options, such as `-I'. Now we depend on makeinfo to
438 dnl build the Info documentation.
441 AC_CHECK_PROGS(MAKEINFO, [makeinfo], [true])
444 dnl Find perl and pod2man
447 AC_PATH_PROGS(PERL, [perl5 perl], no)
448 AC_PATH_PROG(POD2MAN, pod2man, no)
450 if test "x${POD2MAN}" = xno; then
451 COMMENT_IF_NO_POD2MAN="# "
453 COMMENT_IF_NO_POD2MAN=
455 AC_SUBST(COMMENT_IF_NO_POD2MAN)
459 dnl Check for IDN/IRIs
463 AC_HELP_STRING([--disable-iri],[disable IDN/IRIs support]),
464 [case "${enable_iri}" in
466 dnl Disable IRIs checking
467 AC_MSG_NOTICE([disabling IRIs at user request])
471 dnl IRIs explicitly enabled
480 AC_MSG_ERROR([Invalid --enable-iri argument \`$enable_iri'])
484 dnl If nothing is specified, assume auto-detection
489 AC_ARG_WITH(libidn, AC_HELP_STRING([--with-libidn=[DIR]],
490 [Support IDN/IRIs (needs GNU Libidn)]),
491 libidn=$withval, libidn="")
492 AS_IF([test "X$iri" != "Xno"],[
495 if test "X$am_cv_func_iconv" != "Xyes"; then
497 if test "X$force_iri" = "Xyes"; then
498 AC_MSG_ERROR([Libiconv is required for IRIs support])
500 AC_MSG_NOTICE([disabling IRIs because libiconv wasn't found])
504 # For some reason, this seems to be set even when we don't check.
509 if test "X$iri" != "Xno"; then
510 if test "$libidn" != ""; then
511 LDFLAGS="${LDFLAGS} -L$libidn/lib"
512 CPPFLAGS="${CPPFLAGS} -I$libidn/include"
515 # If idna.h can't be found, check to see if it was installed under
516 # /usr/include/idn (OpenSolaris, at least, places it there).
517 # Check for idn-int.h in that case, because idna.h won't find
518 # idn-int.h until we've decided to add -I/usr/include/idn.
519 AC_CHECK_HEADER(idna.h, ,
520 [AC_CHECK_HEADER(idn/idn-int.h,
521 [CPPFLAGS="${CPPFLAGS} -I/usr/include/idn"],
525 if test "X$iri" != "Xno"; then
526 AC_CHECK_LIB(idn, stringprep_check_version,
527 [iri=yes LIBS="${LIBS} -lidn"], iri=no)
530 if test "X$iri" != "Xno" ; then
531 AC_DEFINE([ENABLE_IRI], 1, [Define if IRI support is enabled.])
532 AC_MSG_NOTICE([Enabling support for IRI.])
534 AC_MSG_WARN([Libidn not found])
542 AC_CHECK_HEADER(uuid/uuid.h,
543 AC_CHECK_LIB(uuid, uuid_generate,
544 [LIBS="${LIBS} -luuid"
545 AC_DEFINE([HAVE_LIBUUID], 1,
546 [Define if libuuid is available.])
554 AC_CHECK_HEADER(pcre.h,
555 AC_CHECK_LIB(pcre, pcre_compile,
556 [LIBS="${LIBS} -lpcre"
557 AC_DEFINE([HAVE_LIBPCRE], 1,
558 [Define if libpcre is available.])
563 dnl Needed by src/Makefile.am
564 AM_CONDITIONAL([IRI_IS_ENABLED], [test "X$iri" != "Xno"])
570 AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile util/Makefile
571 po/Makefile.in tests/Makefile tests/WgetTest.pm
573 AC_CONFIG_HEADERS([src/config.h])