1 dnl Template file for GNU Autoconf
2 dnl Copyright (C) 1995, 1996, 1997, 2001, 2007,
3 dnl 2008 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.
39 dnl What version of Wget are we building?
41 AC_MSG_NOTICE([configuring for GNU Wget $PACKAGE_VERSION])
43 AC_CONFIG_MACRO_DIR([m4])
44 AC_CONFIG_AUX_DIR([.])
54 AM_GNU_GETTEXT([external],[need-ngettext])
55 AM_GNU_GETTEXT_VERSION([0.16.1])
58 dnl Get cannonical host
61 AC_DEFINE_UNQUOTED([OS_TYPE], "$host_os",
62 [Define to be the name of the operating system.])
69 [[ --without-ssl disable SSL autodetection]])
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"${ENABLE_DEBUG}" = xyes && AC_DEFINE([ENABLE_DEBUG], 1,
91 [Define if you want the debug output support compiled in.])
95 case "${ENABLE_OPIE}${ENABLE_DIGEST}" in
101 dnl Find the compiler
104 dnl We want these before the checks, so the checks can modify their values.
105 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
106 test -z "$CC" && cc_specified=yes
118 dnl Turn on optimization by default. Specifically:
120 dnl if the user hasn't specified CFLAGS, then
121 dnl if compiler is gcc, then
122 dnl use -O2 and some warning flags
124 dnl use os-specific flags or -O
125 if test -n "$auto_cflags"; then
126 if test -n "$GCC"; then
127 CFLAGS="$CFLAGS -O2 -Wall"
130 *hpux*) CFLAGS="$CFLAGS +O3" ;;
131 *ultrix* | *osf*) CFLAGS="$CFLAGS -O -Olimit 2000" ;;
132 *) CFLAGS="$CFLAGS -O" ;;
138 dnl Checks for basic compiler characteristics.
144 dnl Check for basic headers, even though we expect them to exist and
145 dnl #include them unconditionally in the code. Their detection is
146 dnl still needed because test programs used by Autoconf macros check
147 dnl for STDC_HEADERS, HAVE_SYS_TYPES_H, etc. before using them.
148 dnl Without the checks they will fail to be included in test programs,
149 dnl which will subsequently fail.
152 dnl Check for large file support. This check needs to come fairly
153 dnl early because it could (in principle) affect whether functions and
154 dnl headers are available, whether they work, etc.
156 AC_CHECK_SIZEOF(off_t)
159 dnl Checks for system header files that might be missing.
162 AC_CHECK_HEADERS(unistd.h sys/time.h)
163 AC_CHECK_HEADERS(termios.h sys/ioctl.h sys/select.h utime.h sys/utime.h)
164 AC_CHECK_HEADERS(stdint.h inttypes.h pwd.h wchar.h)
167 dnl Check sizes of integer types. These are used to find n-bit
168 dnl integral types on older systems that fail to provide intN_t and
169 dnl uintN_t typedefs.
171 AC_CHECK_SIZEOF(short)
173 AC_CHECK_SIZEOF(long)
174 AC_CHECK_SIZEOF(long long)
175 AC_CHECK_SIZEOF(void *)
178 dnl Checks for non-universal or system-specific types.
182 AC_CHECK_TYPES([uint32_t, uintptr_t, intptr_t, int64_t])
183 AC_CHECK_TYPES(sig_atomic_t, [], [], [
185 #include <sys/types.h>
187 # include <inttypes.h>
196 dnl Checks for library functions.
200 AC_CHECK_FUNCS(strptime timegm snprintf vsnprintf vasprintf drand48)
201 AC_CHECK_FUNCS(strtoll usleep ftello sigblock sigsetjmp memrchr wcwidth mbtowc)
203 if test x"$ENABLE_OPIE" = xyes; then
204 AC_LIBOBJ([ftp-opie])
207 dnl We expect to have these functions on Unix-like systems configure
208 dnl runs on. The defines are provided to get them in config.h.in so
209 dnl Wget can still be ported to non-Unix systems (such as Windows)
210 dnl that lack some of these functions.
211 AC_DEFINE([HAVE_STRCASECMP], 1, [Define to 1 if you have the `strcasecmp' function.])
212 AC_DEFINE([HAVE_STRNCASECMP], 1, [Define to 1 if you have the `strncasecmp' function.])
213 AC_DEFINE([HAVE_STRDUP], 1, [Define to 1 if you have the `strdup' function.])
214 AC_DEFINE([HAVE_ISATTY], 1, [Define to 1 if you have the `isatty' function.])
215 AC_DEFINE([HAVE_SYMLINK], 1, [Define to 1 if you have the `symlink' function.])
218 dnl Call Wget-specific macros defined in aclocal.
228 dnl Checks for libraries.
231 AS_IF([test x"$with_ssl" = xgnutls], [
232 dnl Now actually check for -lssl
233 AC_LIB_HAVE_LINKFLAGS([gnutls], [], [
234 #include <gnutls/gnutls.h>
235 ], [gnutls_global_init()])
236 if test x"$LIBGNUTLS" != x
238 AC_MSG_NOTICE([compiling in support for SSL via GnuTLS])
241 AC_MSG_ERROR([--with-ssl=gnutls was given, but GNUTLS is not available.])
244 # --with-ssl is not gnutls: check if it's no
245 AS_IF([test x"$with_ssl" != xno], [
246 dnl As of this writing (OpenSSL 0.9.6), the libcrypto shared library
247 dnl doesn't record its dependency on libdl, so we need to make sure
248 dnl -ldl ends up in LIBS on systems that have it. Most OSes use
249 dnl dlopen(), but HP-UX uses shl_load().
250 AC_CHECK_LIB(dl, dlopen, [], [
251 AC_CHECK_LIB(dl, shl_load)
254 dnl Now actually check for -lssl
255 AC_LIB_HAVE_LINKFLAGS([ssl], [crypto], [
256 #include <openssl/ssl.h>
257 #include <openssl/x509.h>
258 #include <openssl/err.h>
259 #include <openssl/rand.h>
260 #include <openssl/des.h>
261 #include <openssl/md4.h>
262 #include <openssl/md5.h>
263 ], [SSL_library_init ()])
264 if test x"$LIBSSL" != x
266 AC_MSG_NOTICE([compiling in support for SSL via OpenSSL])
268 elif test x"$with_ssl" != x
270 AC_MSG_ERROR([--with-ssl was given, but SSL is not available.])
272 ]) # endif: --with-ssl == no?
273 ]) # endif: --with-ssl == gnutls?
276 dnl Enable NTLM if requested and if SSL is available.
277 if test x"$LIBSSL" != x
279 if test x"$ENABLE_NTLM" != xno
281 AC_DEFINE([ENABLE_NTLM], 1,
282 [Define if you want the NTLM authorization support compiled in.])
283 AC_LIBOBJ([http-ntlm])
286 dnl If SSL is unavailable and the user explicitly requested NTLM,
288 if test x"$ENABLE_NTLM" = xyes
290 AC_MSG_ERROR([NTLM authorization requested and OpenSSL not found; aborting])
295 dnl Find an MD5 implementation. Since Wget rarely needs MD5, we try
296 dnl to use an existing library implementation to save on code size.
299 if test x"$wget_need_md5" = xyes
301 dnl This should be moved to an AC_DEFUN, but I'm not sure how to
302 dnl manipulate MD5_OBJ from the defun.
307 dnl Check for the system MD5 library on Solaris. We don't check for
308 dnl something simple like "MD5Update" because there are a number of
309 dnl MD5 implementations that use that name, but have an otherwise
310 dnl incompatible interface. md5_calc is, hopefully, specific to the
311 dnl Solaris MD5 library.
312 if test x"$found_md5" = xno; then
313 AC_CHECK_LIB(md5, md5_calc, [
314 dnl Some installations have bogus <md5.h> in the compiler's
315 dnl include path, making the system md5 library useless.
316 AC_MSG_CHECKING([for working md5.h])
317 AC_COMPILE_IFELSE([#include <md5.h>
320 AC_DEFINE([HAVE_SOLARIS_MD5], 1, [Define when using Solaris MD5.])
323 AC_MSG_NOTICE([using the Solaris MD5 implementation])
324 ], [AC_MSG_RESULT(no)])
328 dnl Then see if we're linking OpenSSL anyway; if yes, use its md5
330 if test x"$found_md5" = xno; then
331 if test x"$LIBSSL" != x; then
332 AC_DEFINE([HAVE_OPENSSL_MD5], 1, [Define when using OpenSSL MD5.])
334 AC_MSG_NOTICE([using the OpenSSL MD5 implementation])
338 dnl If none of the above worked, use the one we ship with Wget.
339 if test x"$found_md5" = xno; then
340 AC_DEFINE([HAVE_BUILTIN_MD5], 1, [Define when using built-in MD5.])
342 AC_MSG_NOTICE([using the built-in (GNU) MD5 implementation])
345 AC_SUBST(MD5_CPPFLAGS, '-I $(top_srcdir)/md5')
346 AC_SUBST(MD5_LDADD, '../md5/libmd5.a')
347 AC_SUBST(MD5_SUBDIR, md5)
350 AC_DEFINE([HAVE_MD5], 1, [Define if we're compiling support for MD5.])
353 dnl **********************************************************************
355 dnl **********************************************************************
358 dnl We test for IPv6 by checking, in turn, for availability of
359 dnl getaddrinfo, presence of the INET6 address/protocol family, and
360 dnl the existence of struct sockaddr_in6. If any of them is missing,
361 dnl IPv6 is disabled, and the code reverts to old-style gethostbyname.
363 dnl If --enable-ipv6 is explicitly specified on the configure command
364 dnl line, we check for IPv6 and abort if not found. If --disable-ipv6
365 dnl is specified, we disable IPv6 and don't check for it. The default
366 dnl is to autodetect IPv6 and use it where available.
370 AC_HELP_STRING([--disable-ipv6],[disable IPv6 support]),
371 [case "${enable_ipv6}" in
373 AC_MSG_NOTICE([disabling IPv6 at user request])
374 dnl Disable IPv6 checking
378 dnl IPv6 explicitly enabled: force its use (abort if unavailable).
383 dnl Auto-detect IPv6, i.e. check for IPv6, but don't force it.
387 AC_MSG_ERROR([Invalid --enable-ipv6 argument \`$enable_ipv6'])
391 dnl If nothing is specified, assume auto-detection.
396 if test "X$ipv6" = "Xyes"; then
397 AC_CHECK_FUNCS(getaddrinfo, [], [
398 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support getaddrinfo(3)])
403 if test "X$ipv6" = "Xyes"; then
405 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support the PF_INET6 protocol family])
410 if test "X$ipv6" = "Xyes"; then
411 TYPE_STRUCT_SOCKADDR_IN6([],[
412 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support \`struct sockaddr_in6'])
415 if test "X$ipv6" = "Xyes"; then
416 WGET_STRUCT_SOCKADDR_STORAGE
421 if test "X$ipv6" = "Xyes"; then
422 AC_DEFINE([ENABLE_IPV6], 1, [Define if IPv6 support is enabled.])
423 AC_MSG_NOTICE([Enabling support for IPv6.])
424 elif test "x$force_ipv6" = "xyes"; then
425 AC_MSG_ERROR([IPv6 support requested but not found; aborting])
430 dnl Set of available languages.
432 dnl Originally this used to be static, looking like this:
433 dnl ALL_LINGUAS="cs de hr it ..."
434 dnl The downside was that configure needed to be rebuilt whenever a
435 dnl new language was added.
437 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' ' ')"
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 if test "X$iri" != "Xno"; then
501 if test "X$am_cv_func_iconv" != "Xyes"; then
503 if test "X$force_iri" = "Xyes"; then
504 AC_MSG_ERROR([Libiconv is required for IRIs support])
506 AC_MSG_NOTICE([disabling IRIs because libiconv wasn't found])
511 if test "X$iri" != "Xno"; then
512 if test "$libidn" != ""; then
513 LDFLAGS="${LDFLAGS} -L$libidn/lib"
514 CPPFLAGS="${CPPFLAGS} -I$libidn/include"
516 AC_CHECK_HEADER(idna.h,
517 AC_CHECK_LIB(idn, stringprep_check_version,
518 [iri=yes LIBS="${LIBS} -lidn"], iri=no),
521 if test "X$iri" != "Xno" ; then
522 AC_DEFINE(ENABLE_IRI, 1, [Define if IRI support is enabled.])
523 AC_MSG_NOTICE([Enabling support for IRI.])
525 AC_MSG_WARN([Libidn not found])
530 dnl Needed by src/Makefile.am
531 AM_CONDITIONAL([IRI_IS_ENABLED], [test "X$iri" != "Xno"])
537 AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile util/Makefile
538 po/Makefile.in tests/Makefile tests/WgetTest.pm
539 lib/Makefile md5/Makefile windows/Makefile])
540 AC_CONFIG_HEADERS([src/config.h])