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 $PACKAGE_VERSION])
43 AC_CONFIG_MACRO_DIR([m4])
44 AC_CONFIG_AUX_DIR([build-aux])
49 AM_INIT_AUTOMAKE(dist-bzip2 dist-lzma 1.9)
52 dnl Get cannonical host
55 AC_DEFINE_UNQUOTED([OS_TYPE], "$host_os",
56 [Define to be the name of the operating system.])
63 [[ --without-ssl disable SSL autodetection]])
66 [ --disable-opie disable support for opie or s/key FTP login],
67 ENABLE_OPIE=$enableval, ENABLE_OPIE=yes)
68 test x"${ENABLE_OPIE}" = xyes && AC_DEFINE([ENABLE_OPIE], 1,
69 [Define if you want the Opie support for FTP compiled in.])
72 [ --disable-digest disable support for HTTP digest authorization],
73 ENABLE_DIGEST=$enableval, ENABLE_DIGEST=yes)
74 test x"${ENABLE_DIGEST}" = xyes && AC_DEFINE([ENABLE_DIGEST], 1,
75 [Define if you want the HTTP Digest Authorization compiled in.])
78 [ --disable-ntlm disable support for NTLM authorization],
79 [ENABLE_NTLM=$enableval], [ENABLE_NTLM=auto])
82 [ --disable-debug disable support for debugging output],
83 ENABLE_DEBUG=$enableval, ENABLE_DEBUG=yes)
84 test x"${ENABLE_DEBUG}" = xyes && AC_DEFINE([ENABLE_DEBUG], 1,
85 [Define if you want the debug output support compiled in.])
89 case "${ENABLE_OPIE}${ENABLE_DIGEST}" in
98 dnl We want these before the checks, so the checks can modify their values.
99 test -z "$CFLAGS" && CFLAGS= auto_cflags=1
100 test -z "$CC" && cc_specified=yes
112 AM_GNU_GETTEXT([external],[need-ngettext])
113 AM_GNU_GETTEXT_VERSION([0.17])
119 dnl Turn on optimization by default. Specifically:
121 dnl if the user hasn't specified CFLAGS, then
122 dnl if compiler is gcc, then
123 dnl use -O2 and some warning flags
125 dnl use os-specific flags or -O
126 if test -n "$auto_cflags"; then
127 if test -n "$GCC"; then
128 CFLAGS="$CFLAGS -O2 -Wall"
131 *hpux*) CFLAGS="$CFLAGS +O3" ;;
132 *ultrix* | *osf*) CFLAGS="$CFLAGS -O -Olimit 2000" ;;
133 *) CFLAGS="$CFLAGS -O" ;;
139 dnl Checks for basic compiler characteristics.
145 dnl Check for basic headers, even though we expect them to exist and
146 dnl #include them unconditionally in the code. Their detection is
147 dnl still needed because test programs used by Autoconf macros check
148 dnl for STDC_HEADERS, HAVE_SYS_TYPES_H, etc. before using them.
149 dnl Without the checks they will fail to be included in test programs,
150 dnl which will subsequently fail.
153 dnl Check for large file support. This check needs to come fairly
154 dnl early because it could (in principle) affect whether functions and
155 dnl headers are available, whether they work, etc.
157 AC_CHECK_SIZEOF(off_t)
160 dnl Checks for system header files that might be missing.
163 AC_CHECK_HEADERS(unistd.h sys/time.h)
164 AC_CHECK_HEADERS(termios.h sys/ioctl.h sys/select.h utime.h sys/utime.h)
165 AC_CHECK_HEADERS(stdint.h inttypes.h pwd.h wchar.h)
167 AC_CHECK_DECLS(h_errno,,,[#include <netdb.h>])
170 dnl Check sizes of integer types. These are used to find n-bit
171 dnl integral types on older systems that fail to provide intN_t and
172 dnl uintN_t typedefs.
174 AC_CHECK_SIZEOF(short)
176 AC_CHECK_SIZEOF(long)
177 AC_CHECK_SIZEOF(long long)
178 AC_CHECK_SIZEOF(void *)
181 dnl Checks for non-universal or system-specific types.
185 AC_CHECK_TYPES([uint32_t, uintptr_t, intptr_t, int64_t])
186 AC_CHECK_TYPES(sig_atomic_t, [], [], [
188 #include <sys/types.h>
190 # include <inttypes.h>
199 dnl Checks for library functions.
203 AC_CHECK_FUNCS(strptime timegm snprintf vsnprintf vasprintf drand48)
204 AC_CHECK_FUNCS(strtoll usleep ftello sigblock sigsetjmp memrchr wcwidth mbtowc)
206 if test x"$ENABLE_OPIE" = xyes; then
207 AC_LIBOBJ([ftp-opie])
210 dnl We expect to have these functions on Unix-like systems configure
211 dnl runs on. The defines are provided to get them in config.h.in so
212 dnl Wget can still be ported to non-Unix systems (such as Windows)
213 dnl that lack some of these functions.
214 AC_DEFINE([HAVE_STRCASECMP], 1, [Define to 1 if you have the `strcasecmp' function.])
215 AC_DEFINE([HAVE_STRNCASECMP], 1, [Define to 1 if you have the `strncasecmp' function.])
216 AC_DEFINE([HAVE_STRDUP], 1, [Define to 1 if you have the `strdup' function.])
217 AC_DEFINE([HAVE_ISATTY], 1, [Define to 1 if you have the `isatty' function.])
218 AC_DEFINE([HAVE_SYMLINK], 1, [Define to 1 if you have the `symlink' function.])
221 dnl Call Wget-specific macros defined in aclocal.
231 dnl Checks for libraries.
234 AS_IF([test x"$with_ssl" = xgnutls], [
235 dnl Now actually check for -lssl
236 AC_LIB_HAVE_LINKFLAGS([gnutls], [], [
237 #include <gnutls/gnutls.h>
238 ], [gnutls_global_init()])
239 if test x"$LIBGNUTLS" != x
241 AC_MSG_NOTICE([compiling in support for SSL via GnuTLS])
244 AC_MSG_ERROR([--with-ssl=gnutls was given, but GNUTLS is not available.])
247 # --with-ssl is not gnutls: check if it's no
248 AS_IF([test x"$with_ssl" != xno], [
249 dnl As of this writing (OpenSSL 0.9.6), the libcrypto shared library
250 dnl doesn't record its dependency on libdl, so we need to make sure
251 dnl -ldl ends up in LIBS on systems that have it. Most OSes use
252 dnl dlopen(), but HP-UX uses shl_load().
253 AC_CHECK_LIB(dl, dlopen, [], [
254 AC_CHECK_LIB(dl, shl_load)
257 dnl Now actually check for -lssl
258 AC_LIB_HAVE_LINKFLAGS([ssl], [crypto], [
259 #include <openssl/ssl.h>
260 #include <openssl/x509.h>
261 #include <openssl/err.h>
262 #include <openssl/rand.h>
263 #include <openssl/des.h>
264 #include <openssl/md4.h>
265 #include <openssl/md5.h>
266 ], [SSL_library_init ()])
267 if test x"$LIBSSL" != x
269 AC_MSG_NOTICE([compiling in support for SSL via OpenSSL])
271 elif test x"$with_ssl" != x
273 AC_MSG_ERROR([--with-ssl was given, but SSL is not available.])
275 ]) # endif: --with-ssl == no?
276 ]) # endif: --with-ssl == gnutls?
279 dnl Enable NTLM if requested and if SSL is available.
280 if test x"$LIBSSL" != x
282 if test x"$ENABLE_NTLM" != xno
284 AC_DEFINE([ENABLE_NTLM], 1,
285 [Define if you want the NTLM authorization support compiled in.])
286 AC_LIBOBJ([http-ntlm])
289 dnl If SSL is unavailable and the user explicitly requested NTLM,
291 if test x"$ENABLE_NTLM" = xyes
293 AC_MSG_ERROR([NTLM authorization requested and OpenSSL not found; aborting])
298 dnl Find an MD5 implementation. Since Wget rarely needs MD5, we try
299 dnl to use an existing library implementation to save on code size.
302 if test x"$wget_need_md5" = xyes
304 dnl This should be moved to an AC_DEFUN, but I'm not sure how to
305 dnl manipulate MD5_OBJ from the defun.
310 dnl Check for the system MD5 library on Solaris. We don't check for
311 dnl something simple like "MD5Update" because there are a number of
312 dnl MD5 implementations that use that name, but have an otherwise
313 dnl incompatible interface. md5_calc is, hopefully, specific to the
314 dnl Solaris MD5 library.
315 if test x"$found_md5" = xno; then
316 AC_CHECK_LIB(md5, md5_calc, [
317 dnl Some installations have bogus <md5.h> in the compiler's
318 dnl include path, making the system md5 library useless.
319 AC_MSG_CHECKING([for working md5.h])
320 AC_COMPILE_IFELSE([#include <md5.h>
323 AC_DEFINE([HAVE_SOLARIS_MD5], 1, [Define when using Solaris MD5.])
326 AC_MSG_NOTICE([using the Solaris MD5 implementation])
327 ], [AC_MSG_RESULT(no)])
331 dnl Then see if we're linking OpenSSL anyway; if yes, use its md5
333 if test x"$found_md5" = xno; then
334 if test x"$LIBSSL" != x; then
335 AC_DEFINE([HAVE_OPENSSL_MD5], 1, [Define when using OpenSSL MD5.])
337 AC_MSG_NOTICE([using the OpenSSL MD5 implementation])
341 dnl If none of the above worked, use the one we ship with Wget.
342 if test x"$found_md5" = xno; then
343 AC_DEFINE([HAVE_BUILTIN_MD5], 1, [Define when using built-in MD5.])
345 AC_MSG_NOTICE([using the built-in (GNU) MD5 implementation])
348 AC_SUBST(MD5_CPPFLAGS, '-I $(top_srcdir)/md5')
349 AC_SUBST(MD5_LDADD, '../md5/libmd5.a')
350 AC_SUBST(MD5_SUBDIR, md5)
353 AC_DEFINE([HAVE_MD5], 1, [Define if we're compiling support for MD5.])
356 dnl **********************************************************************
358 dnl **********************************************************************
361 dnl We test for IPv6 by checking, in turn, for availability of
362 dnl getaddrinfo, presence of the INET6 address/protocol family, and
363 dnl the existence of struct sockaddr_in6. If any of them is missing,
364 dnl IPv6 is disabled, and the code reverts to old-style gethostbyname.
366 dnl If --enable-ipv6 is explicitly specified on the configure command
367 dnl line, we check for IPv6 and abort if not found. If --disable-ipv6
368 dnl is specified, we disable IPv6 and don't check for it. The default
369 dnl is to autodetect IPv6 and use it where available.
373 AC_HELP_STRING([--disable-ipv6],[disable IPv6 support]),
374 [case "${enable_ipv6}" in
376 AC_MSG_NOTICE([disabling IPv6 at user request])
377 dnl Disable IPv6 checking
381 dnl IPv6 explicitly enabled: force its use (abort if unavailable).
386 dnl Auto-detect IPv6, i.e. check for IPv6, but don't force it.
390 AC_MSG_ERROR([Invalid --enable-ipv6 argument \`$enable_ipv6'])
394 dnl If nothing is specified, assume auto-detection.
399 if test "X$ipv6" = "Xyes"; then
400 AC_CHECK_FUNCS(getaddrinfo, [], [
401 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support getaddrinfo(3)])
406 if test "X$ipv6" = "Xyes"; then
408 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support the PF_INET6 protocol family])
413 if test "X$ipv6" = "Xyes"; then
414 TYPE_STRUCT_SOCKADDR_IN6([],[
415 AC_MSG_NOTICE([Disabling IPv6 support: your system does not support \`struct sockaddr_in6'])
418 if test "X$ipv6" = "Xyes"; then
419 WGET_STRUCT_SOCKADDR_STORAGE
424 if test "X$ipv6" = "Xyes"; then
425 AC_DEFINE([ENABLE_IPV6], 1, [Define if IPv6 support is enabled.])
426 AC_MSG_NOTICE([Enabling support for IPv6.])
427 elif test "x$force_ipv6" = "xyes"; then
428 AC_MSG_ERROR([IPv6 support requested but not found; aborting])
433 dnl Set of available languages.
435 dnl Originally this used to be static, looking like this:
436 dnl ALL_LINGUAS="cs de hr it ..."
437 dnl The downside was that configure needed to be rebuilt whenever a
438 dnl new language was added.
440 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' ' ')"
443 dnl Find makeinfo. We used to provide support for Emacs processing
444 dnl Texinfo using `emacs -batch -eval ...' where makeinfo is
445 dnl unavailable, but that broke with the addition of makeinfo-specific
446 dnl command-line options, such as `-I'. Now we depend on makeinfo to
447 dnl build the Info documentation.
450 AC_CHECK_PROGS(MAKEINFO, [makeinfo], [true])
453 dnl Find perl and pod2man
456 AC_PATH_PROGS(PERL, [perl5 perl], no)
457 AC_PATH_PROG(POD2MAN, pod2man, no)
459 if test "x${POD2MAN}" = xno; then
460 COMMENT_IF_NO_POD2MAN="# "
462 COMMENT_IF_NO_POD2MAN=
464 AC_SUBST(COMMENT_IF_NO_POD2MAN)
468 dnl Check for IDN/IRIs
472 AC_HELP_STRING([--disable-iri],[disable IDN/IRIs support]),
473 [case "${enable_iri}" in
475 dnl Disable IRIs checking
476 AC_MSG_NOTICE([disabling IRIs at user request])
480 dnl IRIs explicitly enabled
489 AC_MSG_ERROR([Invalid --enable-iri argument \`$enable_iri'])
493 dnl If nothing is specified, assume auto-detection
498 AC_ARG_WITH(libidn, AC_HELP_STRING([--with-libidn=[DIR]],
499 [Support IDN/IRIs (needs GNU Libidn)]),
500 libidn=$withval, libidn="")
501 AS_IF([test "X$iri" != "Xno"],[
504 if test "X$am_cv_func_iconv" != "Xyes"; then
506 if test "X$force_iri" = "Xyes"; then
507 AC_MSG_ERROR([Libiconv is required for IRIs support])
509 AC_MSG_NOTICE([disabling IRIs because libiconv wasn't found])
513 # For some reason, this seems to be set even when we don't check.
518 if test "X$iri" != "Xno"; then
519 if test "$libidn" != ""; then
520 LDFLAGS="${LDFLAGS} -L$libidn/lib"
521 CPPFLAGS="${CPPFLAGS} -I$libidn/include"
524 # If idna.h can't be found, check to see if it was installed under
525 # /usr/include/idn (OpenSolaris, at least, places it there).
526 # Check for idn-int.h in that case, because idna.h won't find
527 # idn-int.h until we've decided to add -I/usr/include/idn.
528 AC_CHECK_HEADER(idna.h, ,
529 [AC_CHECK_HEADER(idn/idn-int.h,
530 [CPPFLAGS="${CPPFLAGS} -I/usr/include/idn"],
534 if test "X$iri" != "Xno"; then
535 AC_CHECK_LIB(idn, stringprep_check_version,
536 [iri=yes LIBS="${LIBS} -lidn"], iri=no)
539 if test "X$iri" != "Xno" ; then
540 AC_DEFINE([ENABLE_IRI], 1, [Define if IRI support is enabled.])
541 AC_MSG_NOTICE([Enabling support for IRI.])
543 AC_MSG_WARN([Libidn not found])
548 dnl Needed by src/Makefile.am
549 AM_CONDITIONAL([IRI_IS_ENABLED], [test "X$iri" != "Xno"])
555 AC_CONFIG_FILES([Makefile src/Makefile doc/Makefile util/Makefile
556 po/Makefile.in tests/Makefile tests/WgetTest.pm
557 lib/Makefile md5/Makefile windows/Makefile])
558 AC_CONFIG_HEADERS([src/config.h])