1 dnl Template file for GNU Autoconf
2 dnl Copyright (C) 1995, 1996, 1997, 2001, 2007, 2008, 2009, 2010, 2011, 2012,
3 dnl 2013, 2014 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 AS_HELP_STRING([--without-libpsl],
66 [disable support for libpsl cookie checking.]))
69 [[ --without-ssl disable SSL autodetection
70 --with-ssl={gnutls,openssl} specify the SSL backend. GNU TLS is the default.]])
73 [[ --without-zlib disable zlib ]])
76 [ --disable-opie disable support for opie or s/key FTP login],
77 ENABLE_OPIE=$enableval, ENABLE_OPIE=yes)
78 test x"${ENABLE_OPIE}" = xyes && AC_DEFINE([ENABLE_OPIE], 1,
79 [Define if you want the Opie support for FTP compiled in.])
82 [ --disable-digest disable support for HTTP digest authorization],
83 ENABLE_DIGEST=$enableval, ENABLE_DIGEST=yes)
84 test x"${ENABLE_DIGEST}" = xyes && AC_DEFINE([ENABLE_DIGEST], 1,
85 [Define if you want the HTTP Digest Authorization compiled in.])
88 [ --disable-ntlm disable support for NTLM authorization],
89 [ENABLE_NTLM=$enableval], [ENABLE_NTLM=auto])
92 [ --disable-debug disable support for debugging output],
93 ENABLE_DEBUG=$enableval, ENABLE_DEBUG=yes)
94 test x"${ENABLE_DEBUG}" = xyes && AC_DEFINE([ENABLE_DEBUG], 1,
95 [Define if you want the debug output support compiled in.])
101 dnl We want these before the checks, so the checks can modify their values.
102 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
103 test -z "$CC" && cc_specified=yes
114 AM_GNU_GETTEXT([external],[need-ngettext])
115 AM_GNU_GETTEXT_VERSION([0.17])
121 dnl Turn on optimization by default. Specifically:
123 dnl if the user hasn't specified CFLAGS, then
124 dnl if compiler is gcc, then
125 dnl use -O2 and some warning flags
127 dnl use os-specific flags or -O
128 if test -n "$auto_cflags"; then
129 if test -n "$GCC"; then
130 CFLAGS="$CFLAGS -O2 -Wall"
133 *hpux*) CFLAGS="$CFLAGS +O3" ;;
134 *ultrix* | *osf*) CFLAGS="$CFLAGS -O -Olimit 2000" ;;
135 *) CFLAGS="$CFLAGS -O" ;;
141 dnl Checks for basic compiler characteristics.
147 dnl Check for basic headers, even though we expect them to exist and
148 dnl #include them unconditionally in the code. Their detection is
149 dnl still needed because test programs used by Autoconf macros check
150 dnl for STDC_HEADERS, HAVE_SYS_TYPES_H, etc. before using them.
151 dnl Without the checks they will fail to be included in test programs,
152 dnl which will subsequently fail.
155 dnl Check for large file support. This check needs to come fairly
156 dnl early because it could (in principle) affect whether functions and
157 dnl headers are available, whether they work, etc.
159 AC_CHECK_SIZEOF(off_t)
162 dnl Checks for system header files that might be missing.
165 AC_CHECK_HEADERS(unistd.h sys/time.h)
166 AC_CHECK_HEADERS(termios.h sys/ioctl.h sys/select.h utime.h sys/utime.h)
167 AC_CHECK_HEADERS(stdint.h inttypes.h pwd.h wchar.h)
169 AC_CHECK_DECLS(h_errno,,,[#include <netdb.h>])
172 dnl Check sizes of integer types. These are used to find n-bit
173 dnl integral types on older systems that fail to provide intN_t and
174 dnl uintN_t typedefs.
176 AC_CHECK_SIZEOF([short])
177 AC_CHECK_SIZEOF([int])
178 AC_CHECK_SIZEOF([long])
179 AC_CHECK_SIZEOF([long long])
180 AC_CHECK_SIZEOF([void *])
183 dnl Checks for non-universal or system-specific types.
187 AC_CHECK_TYPES([uint32_t, uintptr_t, intptr_t, int64_t])
188 AC_CHECK_TYPES(sig_atomic_t, [], [], [
190 #include <sys/types.h>
192 # include <inttypes.h>
201 dnl Checks for library functions.
205 AC_CHECK_FUNCS(strptime timegm vsnprintf vasprintf drand48 pathconf)
206 AC_CHECK_FUNCS(strtoll usleep ftello sigblock sigsetjmp memrchr wcwidth mbtowc)
207 AC_CHECK_FUNCS(sleep symlink utime)
209 if test x"$ENABLE_OPIE" = xyes; then
210 AC_LIBOBJ([ftp-opie])
213 dnl We expect to have these functions on Unix-like systems configure
214 dnl runs on. The defines are provided to get them in config.h.in so
215 dnl Wget can still be ported to non-Unix systems (such as Windows)
216 dnl that lack some of these functions.
217 AC_DEFINE([HAVE_STRCASECMP], 1, [Define to 1 if you have the `strcasecmp' function.])
218 AC_DEFINE([HAVE_STRNCASECMP], 1, [Define to 1 if you have the `strncasecmp' function.])
219 AC_DEFINE([HAVE_STRDUP], 1, [Define to 1 if you have the `strdup' function.])
220 AC_DEFINE([HAVE_ISATTY], 1, [Define to 1 if you have the `isatty' function.])
223 dnl Call Wget-specific macros defined in aclocal.
231 dnl Deal with specific hosts
235 AC_LIBOBJ([mswindows])
241 dnl Checks for libraries.
244 AS_IF([test x"$with_libpsl" != xno], [
246 AC_CHECK_LIB([psl], [psl_builtin])
249 AS_IF([test x"$with_zlib" != xno], [
251 AC_CHECK_LIB(z, compress)
254 AS_IF([test x"$with_ssl" = xopenssl], [
255 dnl As of this writing (OpenSSL 0.9.6), the libcrypto shared library
256 dnl doesn't record its dependency on libdl, so we need to make sure
257 dnl -ldl ends up in LIBS on systems that have it. Most OSes use
258 dnl dlopen(), but HP-UX uses shl_load().
259 AC_CHECK_LIB(dl, dlopen, [], [
260 AC_CHECK_LIB(dl, shl_load)
266 dnl prefer link to openssl dlls if possible. if not then fallback on static libs. if not then error
268 AC_CHECK_LIB(eay32, EVP_MD_CTX_init)
269 if test x"$ac_cv_lib_eay32_EVP_MD_CTX_init" != xno
271 AC_CHECK_LIB(ssl32, SSL_connect, [
273 AC_MSG_NOTICE([Enabling support for SSL via OpenSSL (shared)])
275 LIBS="${LIBS} -lssl32"
276 AC_DEFINE([HAVE_LIBSSL32], [1], [Define to 1 if you have the `ssl32' library (-lssl32).])
278 AC_MSG_ERROR([openssl not found: shared lib eay32 found but ssl32 not found]))
282 dnl fallback and test static libs
284 dnl add zdll lib as dep for above tests?
288 AS_IF([test x$ssl_found != xyes], [
289 dnl Now actually check for -lssl if it wasn't already found
290 AC_LIB_HAVE_LINKFLAGS([ssl], [crypto], [
291 #include <openssl/ssl.h>
292 #include <openssl/x509.h>
293 #include <openssl/err.h>
294 #include <openssl/rand.h>
295 #include <openssl/des.h>
296 #include <openssl/md4.h>
297 #include <openssl/md5.h>
298 ], [SSL_library_init ()])
299 if test x"$LIBSSL" != x
302 AC_MSG_NOTICE([compiling in support for SSL via OpenSSL])
305 elif test x"$with_ssl" != x
307 AC_MSG_ERROR([--with-ssl=openssl was given, but SSL is not available.])
312 # --with-ssl is not openssl: check if it's no
313 AS_IF([test x"$with_ssl" != xno], [
314 dnl default is -lgnutls
317 dnl Now actually check for -lgnutls
318 AC_LIB_HAVE_LINKFLAGS([gnutls], [], [
319 #include <gnutls/gnutls.h>
320 ], [gnutls_global_init()])
321 if test x"$LIBGNUTLS" != x
324 AC_MSG_NOTICE([compiling in support for SSL via GnuTLS])
326 LIBS="$LIBGNUTLS $LIBS"
328 AC_MSG_ERROR([--with-ssl=gnutls was given, but GNUTLS is not available.])
331 AC_CHECK_FUNCS(gnutls_priority_set_direct)
332 ]) # endif: --with-ssl != no?
333 ]) # endif: --with-ssl == openssl?
335 dnl Enable NTLM if requested and if SSL is available.
336 if test x"$LIBSSL" != x || test "$ac_cv_lib_ssl32_SSL_connect" = yes
338 if test x"$ENABLE_NTLM" != xno
341 AC_DEFINE([ENABLE_NTLM], 1,
342 [Define if you want the NTLM authorization support compiled in.])
343 AC_LIBOBJ([http-ntlm])
346 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)])
348 if test x"$HAVE_NETTLE" = xyes
350 AC_SUBST(NETTLE_LIBS, "-lnettle")
351 AC_DEFINE([HAVE_NETTLE], [1], [Use libnettle])
352 if test x"$ENABLE_NTLM" != xno
355 AC_DEFINE([ENABLE_NTLM], 1,
356 [Define if you want the NTLM authorization support compiled in.])
357 AC_LIBOBJ([http-ntlm])
358 LIBS="$NETTLE_LIBS $LIBS"
361 dnl If SSL is unavailable and the user explicitly requested NTLM,
363 if test x"$ENABLE_NTLM" = xyes
365 AC_MSG_ERROR([NTLM authorization requested and SSL not enabled; aborting])
371 dnl **********************************************************************
373 dnl **********************************************************************
376 dnl We test for IPv6 by checking, in turn, for availability of
377 dnl presence of the INET6 address/protocol family and the existence of
378 dnl struct sockaddr_in6. If any of them is missing, IPv6 is disabled,
379 dnl and the code reverts to old-style gethostbyname.
381 dnl If --enable-ipv6 is explicitly specified on the configure command
382 dnl line, we check for IPv6 and abort if not found. If --disable-ipv6
383 dnl is specified, we disable IPv6 and don't check for it. The default
384 dnl is to autodetect IPv6 and use it where available.
388 AC_HELP_STRING([--disable-ipv6],[disable IPv6 support]),
389 [case "${enable_ipv6}" in
391 AC_MSG_NOTICE([disabling IPv6 at user request])
392 dnl Disable IPv6 checking
396 dnl IPv6 explicitly enabled: force its use (abort if unavailable).
401 dnl Auto-detect IPv6, i.e. check for IPv6, but don't force it.
405 AC_MSG_ERROR([Invalid --enable-ipv6 argument \`$enable_ipv6'])
409 dnl If nothing is specified, assume auto-detection.
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$force_ipv6" = "xyes"; then
436 AC_MSG_ERROR([IPv6 support requested but not found; aborting])
440 dnl Find makeinfo. We used to provide support for Emacs processing
441 dnl Texinfo using `emacs -batch -eval ...' where makeinfo is
442 dnl unavailable, but that broke with the addition of makeinfo-specific
443 dnl command-line options, such as `-I'. Now we depend on makeinfo to
444 dnl build the Info documentation.
447 AC_CHECK_PROGS(MAKEINFO, [makeinfo], [true])
450 dnl Find perl and pod2man
453 AC_PATH_PROGS(PERL, [perl5 perl], no)
454 AC_PATH_PROG(POD2MAN, pod2man, no)
456 if test "x${POD2MAN}" = xno; then
457 COMMENT_IF_NO_POD2MAN="# "
459 COMMENT_IF_NO_POD2MAN=
461 AC_SUBST(COMMENT_IF_NO_POD2MAN)
465 dnl Check for IDN/IRIs
469 AC_HELP_STRING([--disable-iri],[disable IDN/IRIs support]),
470 [case "${enable_iri}" in
472 dnl Disable IRIs checking
473 AC_MSG_NOTICE([disabling IRIs at user request])
477 dnl IRIs explicitly enabled
486 AC_MSG_ERROR([Invalid --enable-iri argument \`$enable_iri'])
490 dnl If nothing is specified, assume auto-detection
495 AC_ARG_WITH(libidn, AC_HELP_STRING([--with-libidn=[DIR]],
496 [Support IDN/IRIs (needs GNU Libidn)]),
497 libidn=$withval, libidn="")
498 AS_IF([test "X$iri" != "Xno"],[
501 if test "X$am_cv_func_iconv" != "Xyes"; then
503 if test "X$force_iri" = "Xyes"; then
504 AC_MSG_ERROR([Libiconv is required for IRIs support])
506 AC_MSG_NOTICE([disabling IRIs because libiconv wasn't found])
510 # For some reason, this seems to be set even when we don't check.
515 if test "X$iri" != "Xno"; then
516 if test "$libidn" != ""; then
517 LDFLAGS="${LDFLAGS} -L$libidn/lib"
518 CPPFLAGS="${CPPFLAGS} -I$libidn/include"
521 # If idna.h can't be found, check to see if it was installed under
522 # /usr/include/idn (OpenSolaris, at least, places it there).
523 # Check for idn-int.h in that case, because idna.h won't find
524 # idn-int.h until we've decided to add -I/usr/include/idn.
525 AC_CHECK_HEADER(idna.h, ,
526 [AC_CHECK_HEADER(idn/idn-int.h,
527 [CPPFLAGS="${CPPFLAGS} -I/usr/include/idn"],
531 if test "X$iri" != "Xno"; then
532 AC_CHECK_LIB(idn, stringprep_check_version,
533 [iri=yes LIBS="${LIBS} -lidn"], iri=no)
536 if test "X$iri" != "Xno" ; then
537 AC_DEFINE([ENABLE_IRI], 1, [Define if IRI support is enabled.])
538 AC_MSG_NOTICE([Enabling support for IRI.])
540 AC_MSG_WARN([Libidn not found])
548 AC_CHECK_HEADER(uuid/uuid.h,
549 AC_CHECK_LIB(uuid, uuid_generate,
550 [LIBS="${LIBS} -luuid"
551 AC_DEFINE([HAVE_LIBUUID], 1,
552 [Define if libuuid is available.])
560 AC_CHECK_HEADER(pcre.h,
561 AC_CHECK_LIB(pcre, pcre_compile,
562 [LIBS="${LIBS} -lpcre"
563 AC_DEFINE([HAVE_LIBPCRE], 1,
564 [Define if libpcre is available.])
569 dnl Needed by src/Makefile.am
570 AM_CONDITIONAL([IRI_IS_ENABLED], [test "X$iri" != "Xno"])
576 AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile util/Makefile
577 po/Makefile.in tests/Makefile tests/WgetTest.pm
579 AC_CONFIG_HEADERS([src/config.h])
582 AC_MSG_NOTICE([Summary of build options:
584 Version: $PACKAGE_VERSION
586 Install prefix: $prefix
588 CFlags: $CFLAGS $CPPFLAGS
594 Digest: $ENABLE_DIGEST
597 Debugging: $ENABLE_DEBUG