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
66 --with-ssl={gnutls,openssl} specify the SSL backend. GNU TLS is the default.]])
69 [ --disable-opie disable support for opie or s/key FTP login],
70 ENABLE_OPIE=$enableval, ENABLE_OPIE=yes)
71 test x"${ENABLE_OPIE}" = xyes && AC_DEFINE([ENABLE_OPIE], 1,
72 [Define if you want the Opie support for FTP compiled in.])
75 [ --disable-digest disable support for HTTP digest authorization],
76 ENABLE_DIGEST=$enableval, ENABLE_DIGEST=yes)
77 test x"${ENABLE_DIGEST}" = xyes && AC_DEFINE([ENABLE_DIGEST], 1,
78 [Define if you want the HTTP Digest Authorization compiled in.])
81 [ --disable-ntlm disable support for NTLM authorization],
82 [ENABLE_NTLM=$enableval], [ENABLE_NTLM=auto])
85 [ --disable-debug disable support for debugging output],
86 ENABLE_DEBUG=$enableval, ENABLE_DEBUG=yes)
87 test x"${ENABLE_DEBUG}" = xyes && AC_DEFINE([ENABLE_DEBUG], 1,
88 [Define if you want the debug output support compiled in.])
94 dnl We want these before the checks, so the checks can modify their values.
95 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
96 test -z "$CC" && cc_specified=yes
107 AM_GNU_GETTEXT([external],[need-ngettext])
108 AM_GNU_GETTEXT_VERSION([0.17])
114 dnl Turn on optimization by default. Specifically:
116 dnl if the user hasn't specified CFLAGS, then
117 dnl if compiler is gcc, then
118 dnl use -O2 and some warning flags
120 dnl use os-specific flags or -O
121 if test -n "$auto_cflags"; then
122 if test -n "$GCC"; then
123 CFLAGS="$CFLAGS -O2 -Wall"
126 *hpux*) CFLAGS="$CFLAGS +O3" ;;
127 *ultrix* | *osf*) CFLAGS="$CFLAGS -O -Olimit 2000" ;;
128 *) CFLAGS="$CFLAGS -O" ;;
134 dnl Checks for basic compiler characteristics.
140 dnl Check for basic headers, even though we expect them to exist and
141 dnl #include them unconditionally in the code. Their detection is
142 dnl still needed because test programs used by Autoconf macros check
143 dnl for STDC_HEADERS, HAVE_SYS_TYPES_H, etc. before using them.
144 dnl Without the checks they will fail to be included in test programs,
145 dnl which will subsequently fail.
148 dnl Check for large file support. This check needs to come fairly
149 dnl early because it could (in principle) affect whether functions and
150 dnl headers are available, whether they work, etc.
152 AC_CHECK_SIZEOF(off_t)
155 dnl Checks for system header files that might be missing.
158 AC_CHECK_HEADERS(unistd.h sys/time.h)
159 AC_CHECK_HEADERS(termios.h sys/ioctl.h sys/select.h utime.h sys/utime.h)
160 AC_CHECK_HEADERS(stdint.h inttypes.h pwd.h wchar.h)
162 AC_CHECK_DECLS(h_errno,,,[#include <netdb.h>])
165 dnl Check sizes of integer types. These are used to find n-bit
166 dnl integral types on older systems that fail to provide intN_t and
167 dnl uintN_t typedefs.
169 AC_CHECK_SIZEOF([short])
170 AC_CHECK_SIZEOF([int])
171 AC_CHECK_SIZEOF([long])
172 AC_CHECK_SIZEOF([long long])
173 AC_CHECK_SIZEOF([void *])
176 dnl Checks for non-universal or system-specific types.
180 AC_CHECK_TYPES([uint32_t, uintptr_t, intptr_t, int64_t])
181 AC_CHECK_TYPES(sig_atomic_t, [], [], [
183 #include <sys/types.h>
185 # include <inttypes.h>
194 dnl Checks for library functions.
198 AC_CHECK_FUNCS(strptime timegm vsnprintf vasprintf drand48)
199 AC_CHECK_FUNCS(strtoll usleep ftello sigblock sigsetjmp memrchr wcwidth mbtowc)
200 AC_CHECK_FUNCS(sleep symlink)
202 if test x"$ENABLE_OPIE" = xyes; then
203 AC_LIBOBJ([ftp-opie])
206 dnl We expect to have these functions on Unix-like systems configure
207 dnl runs on. The defines are provided to get them in config.h.in so
208 dnl Wget can still be ported to non-Unix systems (such as Windows)
209 dnl that lack some of these functions.
210 AC_DEFINE([HAVE_STRCASECMP], 1, [Define to 1 if you have the `strcasecmp' function.])
211 AC_DEFINE([HAVE_STRNCASECMP], 1, [Define to 1 if you have the `strncasecmp' function.])
212 AC_DEFINE([HAVE_STRDUP], 1, [Define to 1 if you have the `strdup' function.])
213 AC_DEFINE([HAVE_ISATTY], 1, [Define to 1 if you have the `isatty' function.])
216 dnl Call Wget-specific macros defined in aclocal.
224 dnl Deal with specific hosts
228 AC_LIBOBJ([mswindows])
234 dnl Checks for libraries.
237 AS_IF([test x"$with_ssl" = xopenssl], [
238 dnl some versions of openssl use zlib compression
239 AC_CHECK_LIB(z, compress)
241 dnl As of this writing (OpenSSL 0.9.6), the libcrypto shared library
242 dnl doesn't record its dependency on libdl, so we need to make sure
243 dnl -ldl ends up in LIBS on systems that have it. Most OSes use
244 dnl dlopen(), but HP-UX uses shl_load().
245 AC_CHECK_LIB(dl, dlopen, [], [
246 AC_CHECK_LIB(dl, shl_load)
251 dnl prefer link to openssl dlls if possible. if not then fallback on static libs. if not then error
253 AC_CHECK_LIB(eay32, EVP_MD_CTX_init)
254 if test x"$ac_cv_lib_eay32_EVP_MD_CTX_init" != xno
256 AC_CHECK_LIB(ssl32, SSL_connect,,
257 AC_MSG_ERROR([openssl not found: shared lib eay32 found but ssl32 not found]))
258 AC_MSG_NOTICE([Enabling support for SSL via OpenSSL (shared)])
262 dnl fallback and test static libs
264 dnl add zdll lib as dep for above tests?
268 dnl Now actually check for -lssl
269 AC_LIB_HAVE_LINKFLAGS([ssl], [crypto], [
270 #include <openssl/ssl.h>
271 #include <openssl/x509.h>
272 #include <openssl/err.h>
273 #include <openssl/rand.h>
274 #include <openssl/des.h>
275 #include <openssl/md4.h>
276 #include <openssl/md5.h>
277 ], [SSL_library_init ()])
278 if test x"$LIBSSL" != x
280 AC_MSG_NOTICE([compiling in support for SSL via OpenSSL])
283 elif test x"$with_ssl" != x
285 AC_MSG_ERROR([--with-ssl=openssl was given, but SSL is not available.])
290 # --with-ssl is not gnutls: check if it's no
291 AS_IF([test x"$with_ssl" != xno], [
292 dnl Now actually check for -lssl
294 AC_CHECK_LIB(z, compress)
295 AC_CHECK_LIB(gpg-error, gpg_err_init)
296 AC_CHECK_LIB(gcrypt, gcry_control)
298 dnl Now actually check for -lssl
299 AC_LIB_HAVE_LINKFLAGS([gnutls], [], [
300 #include <gnutls/gnutls.h>
301 ], [gnutls_global_init()])
302 if test x"$LIBGNUTLS" != x
304 AC_MSG_NOTICE([compiling in support for SSL via GnuTLS])
306 LIBS="$LIBGNUTLS $LIBS"
308 AC_MSG_ERROR([--with-ssl was given, but GNUTLS is not available.])
311 AC_CHECK_FUNCS(gnutls_priority_set_direct)
312 ]) # endif: --with-ssl == no?
313 ]) # endif: --with-ssl == openssl?
316 dnl Enable NTLM if requested and if SSL is available.
317 if test x"$LIBSSL" != x
319 if test x"$ENABLE_NTLM" != xno
321 AC_DEFINE([ENABLE_NTLM], 1,
322 [Define if you want the NTLM authorization support compiled in.])
323 AC_LIBOBJ([http-ntlm])
326 dnl If SSL is unavailable and the user explicitly requested NTLM,
328 if test x"$ENABLE_NTLM" = xyes
330 AC_MSG_ERROR([NTLM authorization requested and OpenSSL not found; aborting])
334 dnl **********************************************************************
336 dnl **********************************************************************
339 dnl We test for IPv6 by checking, in turn, for availability of
340 dnl presence of the INET6 address/protocol family and the existence of
341 dnl struct sockaddr_in6. If any of them is missing, IPv6 is disabled,
342 dnl and the code reverts to old-style gethostbyname.
344 dnl If --enable-ipv6 is explicitly specified on the configure command
345 dnl line, we check for IPv6 and abort if not found. If --disable-ipv6
346 dnl is specified, we disable IPv6 and don't check for it. The default
347 dnl is to autodetect IPv6 and use it where available.
351 AC_HELP_STRING([--disable-ipv6],[disable IPv6 support]),
352 [case "${enable_ipv6}" in
354 AC_MSG_NOTICE([disabling IPv6 at user request])
355 dnl Disable IPv6 checking
359 dnl IPv6 explicitly enabled: force its use (abort if unavailable).
364 dnl Auto-detect IPv6, i.e. check for IPv6, but don't force it.
368 AC_MSG_ERROR([Invalid --enable-ipv6 argument \`$enable_ipv6'])
372 dnl If nothing is specified, assume auto-detection.
377 if test "X$ipv6" = "Xyes"; then
379 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support the PF_INET6 protocol family])
384 if test "X$ipv6" = "Xyes"; then
385 TYPE_STRUCT_SOCKADDR_IN6([],[
386 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support \`struct sockaddr_in6'])
389 if test "X$ipv6" = "Xyes"; then
390 WGET_STRUCT_SOCKADDR_STORAGE
395 if test "X$ipv6" = "Xyes"; then
396 AC_DEFINE([ENABLE_IPV6], 1, [Define if IPv6 support is enabled.])
397 AC_MSG_NOTICE([Enabling support for IPv6.])
398 elif test "x$force_ipv6" = "xyes"; then
399 AC_MSG_ERROR([IPv6 support requested but not found; aborting])
403 dnl Find makeinfo. We used to provide support for Emacs processing
404 dnl Texinfo using `emacs -batch -eval ...' where makeinfo is
405 dnl unavailable, but that broke with the addition of makeinfo-specific
406 dnl command-line options, such as `-I'. Now we depend on makeinfo to
407 dnl build the Info documentation.
410 AC_CHECK_PROGS(MAKEINFO, [makeinfo], [true])
413 dnl Find perl and pod2man
416 AC_PATH_PROGS(PERL, [perl5 perl], no)
417 AC_PATH_PROG(POD2MAN, pod2man, no)
419 if test "x${POD2MAN}" = xno; then
420 COMMENT_IF_NO_POD2MAN="# "
422 COMMENT_IF_NO_POD2MAN=
424 AC_SUBST(COMMENT_IF_NO_POD2MAN)
428 dnl Check for IDN/IRIs
432 AC_HELP_STRING([--disable-iri],[disable IDN/IRIs support]),
433 [case "${enable_iri}" in
435 dnl Disable IRIs checking
436 AC_MSG_NOTICE([disabling IRIs at user request])
440 dnl IRIs explicitly enabled
449 AC_MSG_ERROR([Invalid --enable-iri argument \`$enable_iri'])
453 dnl If nothing is specified, assume auto-detection
458 AC_ARG_WITH(libidn, AC_HELP_STRING([--with-libidn=[DIR]],
459 [Support IDN/IRIs (needs GNU Libidn)]),
460 libidn=$withval, libidn="")
461 AS_IF([test "X$iri" != "Xno"],[
464 if test "X$am_cv_func_iconv" != "Xyes"; then
466 if test "X$force_iri" = "Xyes"; then
467 AC_MSG_ERROR([Libiconv is required for IRIs support])
469 AC_MSG_NOTICE([disabling IRIs because libiconv wasn't found])
473 # For some reason, this seems to be set even when we don't check.
478 if test "X$iri" != "Xno"; then
479 if test "$libidn" != ""; then
480 LDFLAGS="${LDFLAGS} -L$libidn/lib"
481 CPPFLAGS="${CPPFLAGS} -I$libidn/include"
484 # If idna.h can't be found, check to see if it was installed under
485 # /usr/include/idn (OpenSolaris, at least, places it there).
486 # Check for idn-int.h in that case, because idna.h won't find
487 # idn-int.h until we've decided to add -I/usr/include/idn.
488 AC_CHECK_HEADER(idna.h, ,
489 [AC_CHECK_HEADER(idn/idn-int.h,
490 [CPPFLAGS="${CPPFLAGS} -I/usr/include/idn"],
494 if test "X$iri" != "Xno"; then
495 AC_CHECK_LIB(idn, stringprep_check_version,
496 [iri=yes LIBS="${LIBS} -lidn"], iri=no)
499 if test "X$iri" != "Xno" ; then
500 AC_DEFINE([ENABLE_IRI], 1, [Define if IRI support is enabled.])
501 AC_MSG_NOTICE([Enabling support for IRI.])
503 AC_MSG_WARN([Libidn not found])
508 dnl Needed by src/Makefile.am
509 AM_CONDITIONAL([IRI_IS_ENABLED], [test "X$iri" != "Xno"])
515 AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile util/Makefile
516 po/Makefile.in tests/Makefile tests/WgetTest.pm
518 AC_CONFIG_HEADERS([src/config.h])