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 $PACKAGE_VERSION])
43 AC_CONFIG_MACRO_DIR([m4])
44 AC_CONFIG_AUX_DIR([build-aux])
46 AC_CONFIG_SRCDIR([src/wget.h])
51 AM_INIT_AUTOMAKE(dist-bzip2 dist-lzma 1.9)
54 dnl Get cannonical host
57 AC_DEFINE_UNQUOTED([OS_TYPE], "$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"${ENABLE_DEBUG}" = xyes && AC_DEFINE([ENABLE_DEBUG], 1,
87 [Define if you want the debug output support compiled in.])
91 case "${ENABLE_OPIE}${ENABLE_DIGEST}" in
100 dnl We want these before the checks, so the checks can modify their values.
101 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
102 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="$CFLAGS -O" ;;
141 dnl Checks for basic compiler characteristics.
147 dnl Check for basic headers, even though we expect them to exist and
148 dnl #include them unconditionally in the code. Their detection is
149 dnl still needed because test programs used by Autoconf macros check
150 dnl for STDC_HEADERS, HAVE_SYS_TYPES_H, etc. before using them.
151 dnl Without the checks they will fail to be included in test programs,
152 dnl which will subsequently fail.
155 dnl Check for large file support. This check needs to come fairly
156 dnl early because it could (in principle) affect whether functions and
157 dnl headers are available, whether they work, etc.
159 AC_CHECK_SIZEOF(off_t)
162 dnl Checks for system header files that might be missing.
165 AC_CHECK_HEADERS(unistd.h sys/time.h)
166 AC_CHECK_HEADERS(termios.h sys/ioctl.h sys/select.h utime.h sys/utime.h)
167 AC_CHECK_HEADERS(stdint.h inttypes.h pwd.h wchar.h)
169 AC_CHECK_DECLS(h_errno,,,[#include <netdb.h>])
172 dnl Check sizes of integer types. These are used to find n-bit
173 dnl integral types on older systems that fail to provide intN_t and
174 dnl uintN_t typedefs.
176 AC_CHECK_SIZEOF(short)
178 AC_CHECK_SIZEOF(long)
179 AC_CHECK_SIZEOF(long long)
180 AC_CHECK_SIZEOF(void *)
183 dnl Checks for non-universal or system-specific types.
187 AC_CHECK_TYPES([uint32_t, uintptr_t, intptr_t, int64_t])
188 AC_CHECK_TYPES(sig_atomic_t, [], [], [
190 #include <sys/types.h>
192 # include <inttypes.h>
201 dnl Checks for library functions.
205 AC_CHECK_FUNCS(strptime timegm snprintf vsnprintf vasprintf drand48)
206 AC_CHECK_FUNCS(strtoll usleep ftello sigblock sigsetjmp memrchr wcwidth mbtowc)
207 AC_CHECK_FUNCS(sleep symlink)
209 if test x"$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.
232 dnl Deal with specific hosts
235 AC_SUBST(W32LIBS, '-lwsock32')
236 AC_LIBOBJ([mswindows])
241 dnl Checks for libraries.
244 AS_IF([test x"$with_ssl" = xgnutls], [
245 dnl Now actually check for -lssl
246 AC_LIB_HAVE_LINKFLAGS([gnutls], [], [
247 #include <gnutls/gnutls.h>
248 ], [gnutls_global_init()])
249 if test x"$LIBGNUTLS" != x
251 AC_MSG_NOTICE([compiling in support for SSL via GnuTLS])
254 AC_MSG_ERROR([--with-ssl=gnutls was given, but GNUTLS is not available.])
257 # --with-ssl is not gnutls: check if it's no
258 AS_IF([test x"$with_ssl" != xno], [
259 dnl As of this writing (OpenSSL 0.9.6), the libcrypto shared library
260 dnl doesn't record its dependency on libdl, so we need to make sure
261 dnl -ldl ends up in LIBS on systems that have it. Most OSes use
262 dnl dlopen(), but HP-UX uses shl_load().
263 AC_CHECK_LIB(dl, dlopen, [], [
264 AC_CHECK_LIB(dl, shl_load)
267 dnl Now actually check for -lssl
268 AC_LIB_HAVE_LINKFLAGS([ssl], [crypto], [
269 #include <openssl/ssl.h>
270 #include <openssl/x509.h>
271 #include <openssl/err.h>
272 #include <openssl/rand.h>
273 #include <openssl/des.h>
274 #include <openssl/md4.h>
275 #include <openssl/md5.h>
276 ], [SSL_library_init ()])
277 if test x"$LIBSSL" != x
279 AC_MSG_NOTICE([compiling in support for SSL via OpenSSL])
281 elif test x"$with_ssl" != x
283 AC_MSG_ERROR([--with-ssl was given, but SSL is not available.])
285 ]) # endif: --with-ssl == no?
286 ]) # endif: --with-ssl == gnutls?
289 dnl Enable NTLM if requested and if SSL is available.
290 if test x"$LIBSSL" != x
292 if test x"$ENABLE_NTLM" != xno
294 AC_DEFINE([ENABLE_NTLM], 1,
295 [Define if you want the NTLM authorization support compiled in.])
296 AC_LIBOBJ([http-ntlm])
299 dnl If SSL is unavailable and the user explicitly requested NTLM,
301 if test x"$ENABLE_NTLM" = xyes
303 AC_MSG_ERROR([NTLM authorization requested and OpenSSL not found; aborting])
308 dnl Find an MD5 implementation. Since Wget rarely needs MD5, we try
309 dnl to use an existing library implementation to save on code size.
312 if test x"$wget_need_md5" = xyes
314 dnl This should be moved to an AC_DEFUN, but I'm not sure how to
315 dnl manipulate MD5_OBJ from the defun.
320 dnl Check for the system MD5 library on Solaris. We don't check for
321 dnl something simple like "MD5Update" because there are a number of
322 dnl MD5 implementations that use that name, but have an otherwise
323 dnl incompatible interface. md5_calc is, hopefully, specific to the
324 dnl Solaris MD5 library.
325 if test x"$found_md5" = xno; then
326 AC_CHECK_LIB(md5, md5_calc, [
327 dnl Some installations have bogus <md5.h> in the compiler's
328 dnl include path, making the system md5 library useless.
329 AC_MSG_CHECKING([for working md5.h])
330 AC_COMPILE_IFELSE([#include <md5.h>
333 AC_DEFINE([HAVE_SOLARIS_MD5], 1, [Define when using Solaris MD5.])
336 AC_MSG_NOTICE([using the Solaris MD5 implementation])
337 ], [AC_MSG_RESULT(no)])
341 dnl Then see if we're linking OpenSSL anyway; if yes, use its md5
343 if test x"$found_md5" = xno; then
344 if test x"$LIBSSL" != x; then
345 AC_DEFINE([HAVE_OPENSSL_MD5], 1, [Define when using OpenSSL MD5.])
347 AC_MSG_NOTICE([using the OpenSSL MD5 implementation])
351 dnl If none of the above worked, use the one we ship with Wget.
352 if test x"$found_md5" = xno; then
353 AC_DEFINE([HAVE_BUILTIN_MD5], 1, [Define when using built-in MD5.])
355 AC_MSG_NOTICE([using the built-in (GNU) MD5 implementation])
358 AC_SUBST(MD5_CPPFLAGS, '-I $(top_srcdir)/md5')
359 AC_SUBST(MD5_LDADD, '../md5/libmd5.a')
360 AC_SUBST(MD5_SUBDIR, md5)
363 AC_DEFINE([HAVE_MD5], 1, [Define if we're compiling support for MD5.])
366 dnl **********************************************************************
368 dnl **********************************************************************
371 dnl We test for IPv6 by checking, in turn, for availability of
372 dnl getaddrinfo, presence of the INET6 address/protocol family, and
373 dnl the existence of struct sockaddr_in6. If any of them is missing,
374 dnl IPv6 is disabled, and the code reverts to old-style gethostbyname.
376 dnl If --enable-ipv6 is explicitly specified on the configure command
377 dnl line, we check for IPv6 and abort if not found. If --disable-ipv6
378 dnl is specified, we disable IPv6 and don't check for it. The default
379 dnl is to autodetect IPv6 and use it where available.
383 AC_HELP_STRING([--disable-ipv6],[disable IPv6 support]),
384 [case "${enable_ipv6}" in
386 AC_MSG_NOTICE([disabling IPv6 at user request])
387 dnl Disable IPv6 checking
391 dnl IPv6 explicitly enabled: force its use (abort if unavailable).
396 dnl Auto-detect IPv6, i.e. check for IPv6, but don't force it.
400 AC_MSG_ERROR([Invalid --enable-ipv6 argument \`$enable_ipv6'])
404 dnl If nothing is specified, assume auto-detection.
409 if test "X$ipv6" = "Xyes"; then
410 AC_CHECK_FUNCS(getaddrinfo, [], [
411 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support getaddrinfo(3)])
416 if test "X$ipv6" = "Xyes"; then
418 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support the PF_INET6 protocol family])
423 if test "X$ipv6" = "Xyes"; then
424 TYPE_STRUCT_SOCKADDR_IN6([],[
425 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support \`struct sockaddr_in6'])
428 if test "X$ipv6" = "Xyes"; then
429 WGET_STRUCT_SOCKADDR_STORAGE
434 if test "X$ipv6" = "Xyes"; then
435 AC_DEFINE([ENABLE_IPV6], 1, [Define if IPv6 support is enabled.])
436 AC_MSG_NOTICE([Enabling support for IPv6.])
437 elif test "x$force_ipv6" = "xyes"; then
438 AC_MSG_ERROR([IPv6 support requested but not found; aborting])
443 dnl Set of available languages.
445 dnl Originally this used to be static, looking like this:
446 dnl ALL_LINGUAS="cs de hr it ..."
447 dnl The downside was that configure needed to be rebuilt whenever a
448 dnl new language was added.
450 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' ' ')"
453 dnl Find makeinfo. We used to provide support for Emacs processing
454 dnl Texinfo using `emacs -batch -eval ...' where makeinfo is
455 dnl unavailable, but that broke with the addition of makeinfo-specific
456 dnl command-line options, such as `-I'. Now we depend on makeinfo to
457 dnl build the Info documentation.
460 AC_CHECK_PROGS(MAKEINFO, [makeinfo], [true])
463 dnl Find perl and pod2man
466 AC_PATH_PROGS(PERL, [perl5 perl], no)
467 AC_PATH_PROG(POD2MAN, pod2man, no)
469 if test "x${POD2MAN}" = xno; then
470 COMMENT_IF_NO_POD2MAN="# "
472 COMMENT_IF_NO_POD2MAN=
474 AC_SUBST(COMMENT_IF_NO_POD2MAN)
478 dnl Check for IDN/IRIs
482 AC_HELP_STRING([--disable-iri],[disable IDN/IRIs support]),
483 [case "${enable_iri}" in
485 dnl Disable IRIs checking
486 AC_MSG_NOTICE([disabling IRIs at user request])
490 dnl IRIs explicitly enabled
499 AC_MSG_ERROR([Invalid --enable-iri argument \`$enable_iri'])
503 dnl If nothing is specified, assume auto-detection
508 AC_ARG_WITH(libidn, AC_HELP_STRING([--with-libidn=[DIR]],
509 [Support IDN/IRIs (needs GNU Libidn)]),
510 libidn=$withval, libidn="")
511 AS_IF([test "X$iri" != "Xno"],[
514 if test "X$am_cv_func_iconv" != "Xyes"; then
516 if test "X$force_iri" = "Xyes"; then
517 AC_MSG_ERROR([Libiconv is required for IRIs support])
519 AC_MSG_NOTICE([disabling IRIs because libiconv wasn't found])
523 # For some reason, this seems to be set even when we don't check.
528 if test "X$iri" != "Xno"; then
529 if test "$libidn" != ""; then
530 LDFLAGS="${LDFLAGS} -L$libidn/lib"
531 CPPFLAGS="${CPPFLAGS} -I$libidn/include"
534 # If idna.h can't be found, check to see if it was installed under
535 # /usr/include/idn (OpenSolaris, at least, places it there).
536 # Check for idn-int.h in that case, because idna.h won't find
537 # idn-int.h until we've decided to add -I/usr/include/idn.
538 AC_CHECK_HEADER(idna.h, ,
539 [AC_CHECK_HEADER(idn/idn-int.h,
540 [CPPFLAGS="${CPPFLAGS} -I/usr/include/idn"],
544 if test "X$iri" != "Xno"; then
545 AC_CHECK_LIB(idn, stringprep_check_version,
546 [iri=yes LIBS="${LIBS} -lidn"], iri=no)
549 if test "X$iri" != "Xno" ; then
550 AC_DEFINE([ENABLE_IRI], 1, [Define if IRI support is enabled.])
551 AC_MSG_NOTICE([Enabling support for IRI.])
553 AC_MSG_WARN([Libidn not found])
558 dnl Needed by src/Makefile.am
559 AM_CONDITIONAL([IRI_IS_ENABLED], [test "X$iri" != "Xno"])
565 AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile util/Makefile
566 po/Makefile.in tests/Makefile tests/WgetTest.pm
567 lib/Makefile md5/Makefile windows/Makefile])
568 AC_CONFIG_HEADERS([src/config.h])