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/bzr-version-gen])],
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]])
68 [ --disable-opie disable support for opie or s/key FTP login],
69 ENABLE_OPIE=$enableval, ENABLE_OPIE=yes)
70 test x"${ENABLE_OPIE}" = xyes && AC_DEFINE([ENABLE_OPIE], 1,
71 [Define if you want the Opie support for FTP compiled in.])
74 [ --disable-digest disable support for HTTP digest authorization],
75 ENABLE_DIGEST=$enableval, ENABLE_DIGEST=yes)
76 test x"${ENABLE_DIGEST}" = xyes && AC_DEFINE([ENABLE_DIGEST], 1,
77 [Define if you want the HTTP Digest Authorization compiled in.])
80 [ --disable-ntlm disable support for NTLM authorization],
81 [ENABLE_NTLM=$enableval], [ENABLE_NTLM=auto])
84 [ --disable-debug disable support for debugging output],
85 ENABLE_DEBUG=$enableval, ENABLE_DEBUG=yes)
86 test x"${ENABLE_DEBUG}" = xyes && AC_DEFINE([ENABLE_DEBUG], 1,
87 [Define if you want the debug output support compiled in.])
93 dnl We want these before the checks, so the checks can modify their values.
94 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
95 test -z "$CC" && cc_specified=yes
106 AM_GNU_GETTEXT([external],[need-ngettext])
107 AM_GNU_GETTEXT_VERSION([0.17])
113 dnl Turn on optimization by default. Specifically:
115 dnl if the user hasn't specified CFLAGS, then
116 dnl if compiler is gcc, then
117 dnl use -O2 and some warning flags
119 dnl use os-specific flags or -O
120 if test -n "$auto_cflags"; then
121 if test -n "$GCC"; then
122 CFLAGS="$CFLAGS -O2 -Wall"
125 *hpux*) CFLAGS="$CFLAGS +O3" ;;
126 *ultrix* | *osf*) CFLAGS="$CFLAGS -O -Olimit 2000" ;;
127 *) CFLAGS="$CFLAGS -O" ;;
133 dnl Checks for basic compiler characteristics.
139 dnl Check for basic headers, even though we expect them to exist and
140 dnl #include them unconditionally in the code. Their detection is
141 dnl still needed because test programs used by Autoconf macros check
142 dnl for STDC_HEADERS, HAVE_SYS_TYPES_H, etc. before using them.
143 dnl Without the checks they will fail to be included in test programs,
144 dnl which will subsequently fail.
147 dnl Check for large file support. This check needs to come fairly
148 dnl early because it could (in principle) affect whether functions and
149 dnl headers are available, whether they work, etc.
151 AC_CHECK_SIZEOF(off_t)
154 dnl Checks for system header files that might be missing.
157 AC_CHECK_HEADERS(unistd.h sys/time.h)
158 AC_CHECK_HEADERS(termios.h sys/ioctl.h sys/select.h utime.h sys/utime.h)
159 AC_CHECK_HEADERS(stdint.h inttypes.h pwd.h wchar.h)
161 AC_CHECK_DECLS(h_errno,,,[#include <netdb.h>])
164 dnl Check sizes of integer types. These are used to find n-bit
165 dnl integral types on older systems that fail to provide intN_t and
166 dnl uintN_t typedefs.
168 AC_CHECK_SIZEOF([short])
169 AC_CHECK_SIZEOF([int])
170 AC_CHECK_SIZEOF([long])
171 AC_CHECK_SIZEOF([long long])
172 AC_CHECK_SIZEOF([void *])
175 dnl Checks for non-universal or system-specific types.
179 AC_CHECK_TYPES([uint32_t, uintptr_t, intptr_t, int64_t])
180 AC_CHECK_TYPES(sig_atomic_t, [], [], [
182 #include <sys/types.h>
184 # include <inttypes.h>
193 dnl Checks for library functions.
197 AC_CHECK_FUNCS(strptime timegm vsnprintf vasprintf drand48)
198 AC_CHECK_FUNCS(strtoll usleep ftello sigblock sigsetjmp memrchr wcwidth mbtowc)
199 AC_CHECK_FUNCS(sleep symlink)
201 if test x"$ENABLE_OPIE" = xyes; then
202 AC_LIBOBJ([ftp-opie])
205 dnl We expect to have these functions on Unix-like systems configure
206 dnl runs on. The defines are provided to get them in config.h.in so
207 dnl Wget can still be ported to non-Unix systems (such as Windows)
208 dnl that lack some of these functions.
209 AC_DEFINE([HAVE_STRCASECMP], 1, [Define to 1 if you have the `strcasecmp' function.])
210 AC_DEFINE([HAVE_STRNCASECMP], 1, [Define to 1 if you have the `strncasecmp' function.])
211 AC_DEFINE([HAVE_STRDUP], 1, [Define to 1 if you have the `strdup' function.])
212 AC_DEFINE([HAVE_ISATTY], 1, [Define to 1 if you have the `isatty' function.])
215 dnl Call Wget-specific macros defined in aclocal.
223 dnl Deal with specific hosts
227 AC_LIBOBJ([mswindows])
233 dnl Checks for libraries.
236 AS_IF([test x"$with_ssl" = xopenssl], [
237 dnl some versions of openssl use zlib compression
238 AC_CHECK_LIB(z, compress)
240 dnl As of this writing (OpenSSL 0.9.6), the libcrypto shared library
241 dnl doesn't record its dependency on libdl, so we need to make sure
242 dnl -ldl ends up in LIBS on systems that have it. Most OSes use
243 dnl dlopen(), but HP-UX uses shl_load().
244 AC_CHECK_LIB(dl, dlopen, [], [
245 AC_CHECK_LIB(dl, shl_load)
250 dnl prefer link to openssl dlls if possible. if not then fallback on static libs. if not then error
252 AC_CHECK_LIB(eay32, EVP_MD_CTX_init)
253 if test x"$ac_cv_lib_eay32_EVP_MD_CTX_init" != xno
255 AC_CHECK_LIB(ssl32, SSL_connect,,
256 AC_MSG_ERROR([openssl not found: shared lib eay32 found but ssl32 not found]))
257 AC_MSG_NOTICE([Enabling support for SSL via OpenSSL (shared)])
261 dnl fallback and test static libs
263 AC_CHECK_LIB(crypto, EVP_MD_CTX_init,,,)
264 if test x"$ac_cv_lib_crypto_EVP_MD_CTX_init" != xno
266 AC_CHECK_LIB(ssl, SSL_connect,, AC_MSG_ERROR([openssl not found]))
267 AC_MSG_NOTICE([Enabling support for SSL via OpenSSL])
269 AC_MSG_ERROR([openssl not found: shared (eay32/ssl32) or static (crypto/ssl) libs needed])
273 dnl add zdll lib as dep for above tests?
277 AC_CHECK_LIB(crypto, EVP_MD_CTX_init)
278 AC_CHECK_LIB(ssl, ERR_func_error_string,,
279 AC_MSG_ERROR([openssl development libraries not found]))
280 AC_MSG_NOTICE([Enabling support for SSL via OpenSSL (static)])
285 # --with-ssl is not gnutls: check if it's no
286 AS_IF([test x"$with_ssl" != xno], [
287 dnl Now actually check for -lssl
289 AC_CHECK_LIB(z, compress)
290 AC_CHECK_LIB(gpg-error, gpg_err_init)
291 AC_CHECK_LIB(gcrypt, gcry_control)
292 AC_CHECK_LIB(gnutls, main)
294 if test x"$ac_cv_lib_gnutls_main" != xno
296 AC_MSG_NOTICE([compiling in support for SSL via GnuTLS])
299 AC_MSG_ERROR([--with-ssl was given, but GNUTLS is not available.])
301 ]) # endif: --with-ssl == no?
302 ]) # endif: --with-ssl == openssl?
305 dnl Enable NTLM if requested and if SSL is available.
306 if test x"$LIBSSL" != x
308 if test x"$ENABLE_NTLM" != xno
310 AC_DEFINE([ENABLE_NTLM], 1,
311 [Define if you want the NTLM authorization support compiled in.])
312 AC_LIBOBJ([http-ntlm])
315 dnl If SSL is unavailable and the user explicitly requested NTLM,
317 if test x"$ENABLE_NTLM" = xyes
319 AC_MSG_ERROR([NTLM authorization requested and OpenSSL not found; aborting])
323 dnl **********************************************************************
325 dnl **********************************************************************
328 dnl We test for IPv6 by checking, in turn, for availability of
329 dnl presence of the INET6 address/protocol family and the existence of
330 dnl struct sockaddr_in6. If any of them is missing, IPv6 is disabled,
331 dnl and the code reverts to old-style gethostbyname.
333 dnl If --enable-ipv6 is explicitly specified on the configure command
334 dnl line, we check for IPv6 and abort if not found. If --disable-ipv6
335 dnl is specified, we disable IPv6 and don't check for it. The default
336 dnl is to autodetect IPv6 and use it where available.
340 AC_HELP_STRING([--disable-ipv6],[disable IPv6 support]),
341 [case "${enable_ipv6}" in
343 AC_MSG_NOTICE([disabling IPv6 at user request])
344 dnl Disable IPv6 checking
348 dnl IPv6 explicitly enabled: force its use (abort if unavailable).
353 dnl Auto-detect IPv6, i.e. check for IPv6, but don't force it.
357 AC_MSG_ERROR([Invalid --enable-ipv6 argument \`$enable_ipv6'])
361 dnl If nothing is specified, assume auto-detection.
366 if test "X$ipv6" = "Xyes"; then
368 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support the PF_INET6 protocol family])
373 if test "X$ipv6" = "Xyes"; then
374 TYPE_STRUCT_SOCKADDR_IN6([],[
375 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support \`struct sockaddr_in6'])
378 if test "X$ipv6" = "Xyes"; then
379 WGET_STRUCT_SOCKADDR_STORAGE
384 if test "X$ipv6" = "Xyes"; then
385 AC_DEFINE([ENABLE_IPV6], 1, [Define if IPv6 support is enabled.])
386 AC_MSG_NOTICE([Enabling support for IPv6.])
387 elif test "x$force_ipv6" = "xyes"; then
388 AC_MSG_ERROR([IPv6 support requested but not found; aborting])
392 dnl Find makeinfo. We used to provide support for Emacs processing
393 dnl Texinfo using `emacs -batch -eval ...' where makeinfo is
394 dnl unavailable, but that broke with the addition of makeinfo-specific
395 dnl command-line options, such as `-I'. Now we depend on makeinfo to
396 dnl build the Info documentation.
399 AC_CHECK_PROGS(MAKEINFO, [makeinfo], [true])
402 dnl Find perl and pod2man
405 AC_PATH_PROGS(PERL, [perl5 perl], no)
406 AC_PATH_PROG(POD2MAN, pod2man, no)
408 if test "x${POD2MAN}" = xno; then
409 COMMENT_IF_NO_POD2MAN="# "
411 COMMENT_IF_NO_POD2MAN=
413 AC_SUBST(COMMENT_IF_NO_POD2MAN)
417 dnl Check for IDN/IRIs
421 AC_HELP_STRING([--disable-iri],[disable IDN/IRIs support]),
422 [case "${enable_iri}" in
424 dnl Disable IRIs checking
425 AC_MSG_NOTICE([disabling IRIs at user request])
429 dnl IRIs explicitly enabled
438 AC_MSG_ERROR([Invalid --enable-iri argument \`$enable_iri'])
442 dnl If nothing is specified, assume auto-detection
447 AC_ARG_WITH(libidn, AC_HELP_STRING([--with-libidn=[DIR]],
448 [Support IDN/IRIs (needs GNU Libidn)]),
449 libidn=$withval, libidn="")
450 AS_IF([test "X$iri" != "Xno"],[
453 if test "X$am_cv_func_iconv" != "Xyes"; then
455 if test "X$force_iri" = "Xyes"; then
456 AC_MSG_ERROR([Libiconv is required for IRIs support])
458 AC_MSG_NOTICE([disabling IRIs because libiconv wasn't found])
462 # For some reason, this seems to be set even when we don't check.
467 if test "X$iri" != "Xno"; then
468 if test "$libidn" != ""; then
469 LDFLAGS="${LDFLAGS} -L$libidn/lib"
470 CPPFLAGS="${CPPFLAGS} -I$libidn/include"
473 # If idna.h can't be found, check to see if it was installed under
474 # /usr/include/idn (OpenSolaris, at least, places it there).
475 # Check for idn-int.h in that case, because idna.h won't find
476 # idn-int.h until we've decided to add -I/usr/include/idn.
477 AC_CHECK_HEADER(idna.h, ,
478 [AC_CHECK_HEADER(idn/idn-int.h,
479 [CPPFLAGS="${CPPFLAGS} -I/usr/include/idn"],
483 if test "X$iri" != "Xno"; then
484 AC_CHECK_LIB(idn, stringprep_check_version,
485 [iri=yes LIBS="${LIBS} -lidn"], iri=no)
488 if test "X$iri" != "Xno" ; then
489 AC_DEFINE([ENABLE_IRI], 1, [Define if IRI support is enabled.])
490 AC_MSG_NOTICE([Enabling support for IRI.])
492 AC_MSG_WARN([Libidn not found])
497 dnl Needed by src/Makefile.am
498 AM_CONDITIONAL([IRI_IS_ENABLED], [test "X$iri" != "Xno"])
504 AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile util/Makefile
505 po/Makefile.in tests/Makefile tests/WgetTest.pm
507 AC_CONFIG_HEADERS([src/config.h])