1 #***************************************************************************
3 # Project ___| | | | _ \| |
5 # | (__| |_| | _ <| |___
6 # \___|\___/|_| \_\_____|
8 # Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
10 # This software is licensed as described in the file COPYING, which
11 # you should have received as part of this distribution. The terms
12 # are also available at http://curl.haxx.se/docs/copyright.html.
14 # You may opt to use, copy, modify, merge, publish, distribute and/or sell
15 # copies of the Software, and permit persons to whom the Software is
16 # furnished to do so, under the terms of the COPYING file.
18 # This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 # KIND, either express or implied.
21 #***************************************************************************
22 dnl Process this file with autoconf to produce a configure script.
26 dnl We don't know the version number "statically" so we use a dash here
27 AC_INIT([curl], [-], [a suitable curl mailing list: http://curl.haxx.se/mail/])
31 CURL_OVERRIDE_AUTOCONF
33 dnl configure script copyright
34 AC_COPYRIGHT([Copyright (c) 1998 - 2014 Daniel Stenberg, <daniel@haxx.se>
35 This configure script may be copied, distributed and modified under the
36 terms of the curl license; see COPYING for more details])
38 AC_CONFIG_SRCDIR([lib/urldata.h])
39 AC_CONFIG_HEADERS(lib/curl_config.h include/curl/curlbuild.h)
40 AC_CONFIG_MACRO_DIR([m4])
43 CURL_CHECK_OPTION_DEBUG
44 CURL_CHECK_OPTION_OPTIMIZE
45 CURL_CHECK_OPTION_WARNINGS
46 CURL_CHECK_OPTION_WERROR
47 CURL_CHECK_OPTION_CURLDEBUG
48 CURL_CHECK_OPTION_SYMBOL_HIDING
49 CURL_CHECK_OPTION_ARES
51 XC_CHECK_PATH_SEPARATOR
54 # save the configure arguments
56 CONFIGURE_OPTIONS="\"$ac_configure_args\""
57 AC_SUBST(CONFIGURE_OPTIONS)
60 if test X"$want_werror" = Xyes; then
61 CURL_CFLAG_EXTRAS="-Werror"
63 AC_SUBST(CURL_CFLAG_EXTRAS)
65 dnl SED is mandatory for configure process and libtool.
66 dnl Set it now, allowing it to be changed later.
67 if test -z "$SED"; then
68 dnl allow it to be overridden
69 AC_PATH_PROG([SED], [sed], [not_found],
70 [$PATH:/usr/bin:/usr/local/bin])
71 if test -z "$SED" || test "$SED" = "not_found"; then
72 AC_MSG_ERROR([sed not found in PATH. Cannot continue without sed.])
77 dnl GREP is mandatory for configure process and libtool.
78 dnl Set it now, allowing it to be changed later.
79 if test -z "$GREP"; then
80 dnl allow it to be overridden
81 AC_PATH_PROG([GREP], [grep], [not_found],
82 [$PATH:/usr/bin:/usr/local/bin])
83 if test -z "$GREP" || test "$GREP" = "not_found"; then
84 AC_MSG_ERROR([grep not found in PATH. Cannot continue without grep.])
89 dnl EGREP is mandatory for configure process and libtool.
90 dnl Set it now, allowing it to be changed later.
91 if test -z "$EGREP"; then
92 dnl allow it to be overridden
93 if echo a | ($GREP -E '(a|b)') >/dev/null 2>&1; then
94 AC_MSG_CHECKING([for egrep])
96 AC_MSG_RESULT([$EGREP])
98 AC_PATH_PROG([EGREP], [egrep], [not_found],
99 [$PATH:/usr/bin:/usr/local/bin])
102 if test -z "$EGREP" || test "$EGREP" = "not_found"; then
103 AC_MSG_ERROR([egrep not found in PATH. Cannot continue without egrep.])
107 dnl AR is mandatory for configure process and libtool.
108 dnl This is target dependent, so check it as a tool.
109 if test -z "$AR"; then
110 dnl allow it to be overridden
111 AC_PATH_TOOL([AR], [ar], [not_found],
112 [$PATH:/usr/bin:/usr/local/bin])
113 if test -z "$AR" || test "$AR" = "not_found"; then
114 AC_MSG_ERROR([ar not found in PATH. Cannot continue without ar.])
121 dnl Remove non-configure distributed curlbuild.h
122 if test -f ${srcdir}/include/curl/curlbuild.h; then
123 rm -f ${srcdir}/include/curl/curlbuild.h
126 dnl figure out the libcurl version
127 CURLVERSION=`$SED -ne 's/^#define LIBCURL_VERSION "\(.*\)"/\1/p' ${srcdir}/include/curl/curlver.h`
130 AC_MSG_CHECKING([curl version])
131 AC_MSG_RESULT($CURLVERSION)
133 AC_SUBST(CURLVERSION)
136 dnl we extract the numerical version for curl-config only
137 VERSIONNUM=`$SED -ne 's/^#define LIBCURL_VERSION_NUM 0x\(.*\)/\1/p' ${srcdir}/include/curl/curlver.h`
140 dnl Solaris pkgadd support definitions
141 PKGADD_PKG="HAXXcurl"
142 PKGADD_NAME="cURL - a client that groks URLs"
143 PKGADD_VENDOR="curl.haxx.se"
145 AC_SUBST(PKGADD_NAME)
146 AC_SUBST(PKGADD_VENDOR)
149 dnl initialize all the info variables
150 curl_ssl_msg="no (--with-{ssl,gnutls,nss,polarssl,cyassl,axtls,winssl,darwinssl} )"
151 curl_ssh_msg="no (--with-libssh2)"
152 curl_zlib_msg="no (--with-zlib)"
153 curl_gss_msg="no (--with-gssapi)"
154 curl_spnego_msg="no (--with-spnego)"
155 curl_tls_srp_msg="no (--enable-tls-srp)"
156 curl_res_msg="default (--enable-ares / --enable-threaded-resolver)"
157 curl_ipv6_msg="no (--enable-ipv6)"
158 curl_idn_msg="no (--with-{libidn,winidn})"
159 curl_manual_msg="no (--enable-manual)"
160 curl_libcurl_msg="enabled (--disable-libcurl-option)"
161 curl_verbose_msg="enabled (--disable-verbose)"
162 curl_sspi_msg="no (--enable-sspi)"
163 curl_ldap_msg="no (--enable-ldap / --with-ldap-lib / --with-lber-lib)"
164 curl_ldaps_msg="no (--enable-ldaps)"
165 curl_rtsp_msg="no (--enable-rtsp)"
166 curl_rtmp_msg="no (--with-librtmp)"
167 curl_mtlnk_msg="no (--with-libmetalink)"
169 init_ssl_msg=${curl_ssl_msg}
172 dnl Save some initial values the user might have provided
174 INITIAL_LDFLAGS=$LDFLAGS
178 dnl Detect the canonical host and target build environment
182 dnl Get system canonical name
183 AC_DEFINE_UNQUOTED(OS, "${host}", [cpu-machine-OS])
185 dnl Checks for programs.
187 dnl Our curl_off_t internal and external configure settings
188 CURL_CONFIGURE_CURL_OFF_T
190 dnl This defines _ALL_SOURCE for AIX
191 CURL_CHECK_AIX_ALL_SOURCE
193 dnl Our configure and build reentrant settings
194 CURL_CONFIGURE_THREAD_SAFE
195 CURL_CONFIGURE_REENTRANT
197 dnl check for how to do large files
203 # Automake conditionals based on libtool related checks
206 AM_CONDITIONAL([CURL_LT_SHLIB_USE_VERSION_INFO],
207 [test "x$xc_lt_shlib_use_version_info" = 'xyes'])
208 AM_CONDITIONAL([CURL_LT_SHLIB_USE_NO_UNDEFINED],
209 [test "x$xc_lt_shlib_use_no_undefined" = 'xyes'])
210 AM_CONDITIONAL([CURL_LT_SHLIB_USE_MIMPURE_TEXT],
211 [test "x$xc_lt_shlib_use_mimpure_text" = 'xyes'])
214 # Due to libtool and automake machinery limitations of not allowing
215 # specifying separate CPPFLAGS or CFLAGS when compiling objects for
216 # inclusion of these in shared or static libraries, we are forced to
217 # build using separate configure runs for shared and static libraries
218 # on systems where different CPPFLAGS or CFLAGS are mandatory in order
219 # to compile objects for each kind of library. Notice that relying on
220 # the '-DPIC' CFLAG that libtool provides is not valid given that the
221 # user might for example choose to build static libraries with PIC.
225 # Make our Makefile.am files use the staticlib CPPFLAG only when strictly
226 # targeting a static library and not building its shared counterpart.
229 AM_CONDITIONAL([USE_CPPFLAG_CURL_STATICLIB],
230 [test "x$xc_lt_build_static_only" = 'xyes'])
233 # Make staticlib CPPFLAG variable and its definition visible in output
234 # files unconditionally, providing an empty definition unless strictly
235 # targeting a static library and not building its shared counterpart.
238 CPPFLAG_CURL_STATICLIB=
239 if test "x$xc_lt_build_static_only" = 'xyes'; then
240 CPPFLAG_CURL_STATICLIB='-DCURL_STATICLIB'
242 AC_SUBST([CPPFLAG_CURL_STATICLIB])
245 # Determine whether all dependent libraries must be specified when linking
246 if test "X$enable_shared" = "Xyes" -a "X$link_all_deplibs" = "Xno"
252 AC_SUBST(REQUIRE_LIB_DEPS)
253 AM_CONDITIONAL(USE_EXPLICIT_LIB_DEPS, test x$REQUIRE_LIB_DEPS = xyes)
255 dnl check if there's a way to force code inline
258 dnl **********************************************************************
259 dnl platform/compiler/architecture specific checks/flags
260 dnl **********************************************************************
263 CURL_SET_COMPILER_BASIC_OPTS
264 CURL_SET_COMPILER_DEBUG_OPTS
265 CURL_SET_COMPILER_OPTIMIZE_OPTS
266 CURL_SET_COMPILER_WARNING_OPTS
268 if test "$compiler_id" = "INTEL_UNIX_C"; then
270 if test "$compiler_num" -ge "1000"; then
271 dnl icc 10.X or later
272 CFLAGS="$CFLAGS -shared-intel"
273 elif test "$compiler_num" -ge "900"; then
275 CFLAGS="$CFLAGS -i-dynamic"
280 CURL_CHECK_COMPILER_HALT_ON_ERROR
281 CURL_CHECK_COMPILER_ARRAY_SIZE_NEGATIVE
282 CURL_CHECK_COMPILER_PROTOTYPE_MISMATCH
283 CURL_CHECK_COMPILER_SYMBOL_HIDING
286 AM_CONDITIONAL(CURLDEBUG, test x$want_curldebug = xyes)
288 supports_unittests=yes
289 # cross-compilation of unit tests static library/programs fails when
290 # libcurl shared library is built. This might be due to a libtool or
291 # automake issue. In this case we disable unit tests.
292 if test "x$cross_compiling" != "xno" &&
293 test "x$enable_shared" != "xno"; then
294 supports_unittests=no
297 # IRIX 6.5.24 gcc 3.3 autobuilds fail unittests library compilation due to
298 # a problem related with OpenSSL headers and library versions not matching.
299 # Disable unit tests while time to further investigate this is found.
302 if test "$compiler_id" = "GNU_C"; then
303 supports_unittests=no
308 # All AIX autobuilds fails unit tests linking against unittests library
309 # due to unittests library being built with no symbols or members. Libtool ?
310 # Disable unit tests while time to further investigate this is found.
313 supports_unittests=no
317 dnl Build unit tests when option --enable-debug is given.
318 if test "x$want_debug" = "xyes" &&
319 test "x$supports_unittests" = "xyes"; then
324 AM_CONDITIONAL(BUILD_UNITTESTS, test x$want_unittests = xyes)
326 dnl **********************************************************************
327 dnl Compilation based checks should not be done before this point.
328 dnl **********************************************************************
330 dnl **********************************************************************
331 dnl Make sure that our checks for headers windows.h winsock.h winsock2.h
332 dnl and ws2tcpip.h take precedence over any other further checks which
333 dnl could be done later using AC_CHECK_HEADER or AC_CHECK_HEADERS for
334 dnl this specific header files. And do them before its results are used.
335 dnl **********************************************************************
337 CURL_CHECK_HEADER_WINDOWS
338 CURL_CHECK_NATIVE_WINDOWS
339 case X-"$ac_cv_native_windows" in
341 CURL_CHECK_HEADER_WINSOCK
342 CURL_CHECK_HEADER_WINSOCK2
343 CURL_CHECK_HEADER_WS2TCPIP
344 CURL_CHECK_HEADER_WINLDAP
345 CURL_CHECK_HEADER_WINBER
348 ac_cv_header_winsock_h="no"
349 ac_cv_header_winsock2_h="no"
350 ac_cv_header_ws2tcpip_h="no"
351 ac_cv_header_winldap_h="no"
352 ac_cv_header_winber_h="no"
355 CURL_CHECK_WIN32_LARGEFILE
357 dnl ************************************************************
358 dnl switch off particular protocols
360 AC_MSG_CHECKING([whether to support http])
362 AC_HELP_STRING([--enable-http],[Enable HTTP support])
363 AC_HELP_STRING([--disable-http],[Disable HTTP support]),
364 [ case "$enableval" in
367 AC_DEFINE(CURL_DISABLE_HTTP, 1, [to disable HTTP])
368 AC_MSG_WARN([disable HTTP disables FTP over proxy and RTSP])
369 AC_SUBST(CURL_DISABLE_HTTP, [1])
370 AC_DEFINE(CURL_DISABLE_RTSP, 1, [to disable RTSP])
371 AC_SUBST(CURL_DISABLE_RTSP, [1])
373 *) AC_MSG_RESULT(yes)
378 AC_MSG_CHECKING([whether to support ftp])
380 AC_HELP_STRING([--enable-ftp],[Enable FTP support])
381 AC_HELP_STRING([--disable-ftp],[Disable FTP support]),
382 [ case "$enableval" in
385 AC_DEFINE(CURL_DISABLE_FTP, 1, [to disable FTP])
386 AC_SUBST(CURL_DISABLE_FTP, [1])
388 *) AC_MSG_RESULT(yes)
393 AC_MSG_CHECKING([whether to support file])
395 AC_HELP_STRING([--enable-file],[Enable FILE support])
396 AC_HELP_STRING([--disable-file],[Disable FILE support]),
397 [ case "$enableval" in
400 AC_DEFINE(CURL_DISABLE_FILE, 1, [to disable FILE])
401 AC_SUBST(CURL_DISABLE_FILE, [1])
403 *) AC_MSG_RESULT(yes)
408 AC_MSG_CHECKING([whether to support ldap])
410 AC_HELP_STRING([--enable-ldap],[Enable LDAP support])
411 AC_HELP_STRING([--disable-ldap],[Disable LDAP support]),
412 [ case "$enableval" in
415 AC_DEFINE(CURL_DISABLE_LDAP, 1, [to disable LDAP])
416 AC_SUBST(CURL_DISABLE_LDAP, [1])
424 AC_MSG_CHECKING([whether to support ldaps])
426 AC_HELP_STRING([--enable-ldaps],[Enable LDAPS support])
427 AC_HELP_STRING([--disable-ldaps],[Disable LDAPS support]),
428 [ case "$enableval" in
431 AC_DEFINE(CURL_DISABLE_LDAPS, 1, [to disable LDAPS])
432 AC_SUBST(CURL_DISABLE_LDAPS, [1])
434 *) if test "x$CURL_DISABLE_LDAP" = "x1" ; then
435 AC_MSG_RESULT(LDAP needs to be enabled to support LDAPS)
436 AC_DEFINE(CURL_DISABLE_LDAPS, 1, [to disable LDAPS])
437 AC_SUBST(CURL_DISABLE_LDAPS, [1])
440 AC_DEFINE(HAVE_LDAP_SSL, 1, [Use LDAPS implementation])
441 AC_SUBST(HAVE_LDAP_SSL, [1])
445 if test "x$CURL_DISABLE_LDAP" = "x1" ; then
447 AC_DEFINE(CURL_DISABLE_LDAPS, 1, [to disable LDAPS])
448 AC_SUBST(CURL_DISABLE_LDAPS, [1])
451 AC_DEFINE(HAVE_LDAP_SSL, 1, [Use LDAPS implementation])
452 AC_SUBST(HAVE_LDAP_SSL, [1])
456 AC_MSG_CHECKING([whether to support rtsp])
458 AC_HELP_STRING([--enable-rtsp],[Enable RTSP support])
459 AC_HELP_STRING([--disable-rtsp],[Disable RTSP support]),
460 [ case "$enableval" in
463 AC_DEFINE(CURL_DISABLE_RTSP, 1, [to disable RTSP])
464 AC_SUBST(CURL_DISABLE_RTSP, [1])
466 *) if test x$CURL_DISABLE_HTTP = x1 ; then
467 AC_MSG_ERROR(HTTP support needs to be enabled in order to enable RTSP support!)
470 curl_rtsp_msg="enabled"
474 if test "x$CURL_DISABLE_HTTP" != "x1"; then
476 curl_rtsp_msg="enabled"
482 AC_MSG_CHECKING([whether to support proxies])
484 AC_HELP_STRING([--enable-proxy],[Enable proxy support])
485 AC_HELP_STRING([--disable-proxy],[Disable proxy support]),
486 [ case "$enableval" in
489 AC_DEFINE(CURL_DISABLE_PROXY, 1, [to disable proxies])
490 AC_SUBST(CURL_DISABLE_PROXY, [1])
492 *) AC_MSG_RESULT(yes)
498 AC_MSG_CHECKING([whether to support dict])
500 AC_HELP_STRING([--enable-dict],[Enable DICT support])
501 AC_HELP_STRING([--disable-dict],[Disable DICT support]),
502 [ case "$enableval" in
505 AC_DEFINE(CURL_DISABLE_DICT, 1, [to disable DICT])
506 AC_SUBST(CURL_DISABLE_DICT, [1])
508 *) AC_MSG_RESULT(yes)
513 AC_MSG_CHECKING([whether to support telnet])
514 AC_ARG_ENABLE(telnet,
515 AC_HELP_STRING([--enable-telnet],[Enable TELNET support])
516 AC_HELP_STRING([--disable-telnet],[Disable TELNET support]),
517 [ case "$enableval" in
520 AC_DEFINE(CURL_DISABLE_TELNET, 1, [to disable TELNET])
521 AC_SUBST(CURL_DISABLE_TELNET, [1])
523 *) AC_MSG_RESULT(yes)
528 AC_MSG_CHECKING([whether to support tftp])
530 AC_HELP_STRING([--enable-tftp],[Enable TFTP support])
531 AC_HELP_STRING([--disable-tftp],[Disable TFTP support]),
532 [ case "$enableval" in
535 AC_DEFINE(CURL_DISABLE_TFTP, 1, [to disable TFTP])
536 AC_SUBST(CURL_DISABLE_TFTP, [1])
538 *) AC_MSG_RESULT(yes)
544 AC_MSG_CHECKING([whether to support pop3])
546 AC_HELP_STRING([--enable-pop3],[Enable POP3 support])
547 AC_HELP_STRING([--disable-pop3],[Disable POP3 support]),
548 [ case "$enableval" in
551 AC_DEFINE(CURL_DISABLE_POP3, 1, [to disable POP3])
552 AC_SUBST(CURL_DISABLE_POP3, [1])
554 *) AC_MSG_RESULT(yes)
561 AC_MSG_CHECKING([whether to support imap])
563 AC_HELP_STRING([--enable-imap],[Enable IMAP support])
564 AC_HELP_STRING([--disable-imap],[Disable IMAP support]),
565 [ case "$enableval" in
568 AC_DEFINE(CURL_DISABLE_IMAP, 1, [to disable IMAP])
569 AC_SUBST(CURL_DISABLE_IMAP, [1])
571 *) AC_MSG_RESULT(yes)
578 AC_MSG_CHECKING([whether to support smtp])
580 AC_HELP_STRING([--enable-smtp],[Enable SMTP support])
581 AC_HELP_STRING([--disable-smtp],[Disable SMTP support]),
582 [ case "$enableval" in
585 AC_DEFINE(CURL_DISABLE_SMTP, 1, [to disable SMTP])
586 AC_SUBST(CURL_DISABLE_SMTP, [1])
588 *) AC_MSG_RESULT(yes)
594 AC_MSG_CHECKING([whether to support gopher])
595 AC_ARG_ENABLE(gopher,
596 AC_HELP_STRING([--enable-gopher],[Enable Gopher support])
597 AC_HELP_STRING([--disable-gopher],[Disable Gopher support]),
598 [ case "$enableval" in
601 AC_DEFINE(CURL_DISABLE_GOPHER, 1, [to disable Gopher])
602 AC_SUBST(CURL_DISABLE_GOPHER, [1])
604 *) AC_MSG_RESULT(yes)
611 dnl **********************************************************************
612 dnl Check for built-in manual
613 dnl **********************************************************************
615 AC_MSG_CHECKING([whether to provide built-in manual])
616 AC_ARG_ENABLE(manual,
617 AC_HELP_STRING([--enable-manual],[Enable built-in manual])
618 AC_HELP_STRING([--disable-manual],[Disable built-in manual]),
619 [ case "$enableval" in
623 *) AC_MSG_RESULT(yes)
630 dnl The actual use of the USE_MANUAL variable is done much later in this
631 dnl script to allow other actions to disable it as well.
633 dnl ************************************************************
634 dnl disable C code generation support
636 AC_MSG_CHECKING([whether to enable generation of C code])
637 AC_ARG_ENABLE(libcurl_option,
638 AC_HELP_STRING([--enable-libcurl-option],[Enable --libcurl C code generation support])
639 AC_HELP_STRING([--disable-libcurl-option],[Disable --libcurl C code generation support]),
640 [ case "$enableval" in
643 AC_DEFINE(CURL_DISABLE_LIBCURL_OPTION, 1, [to disable --libcurl C code generation option])
644 curl_libcurl_msg="no"
646 *) AC_MSG_RESULT(yes)
652 dnl **********************************************************************
653 dnl Checks for libraries.
654 dnl **********************************************************************
656 AC_MSG_CHECKING([whether to use libgcc])
657 AC_ARG_ENABLE(libgcc,
658 AC_HELP_STRING([--enable-libgcc],[use libgcc when linking]),
659 [ case "$enableval" in
672 dnl gethostbyname without lib or in the nsl lib?
673 AC_CHECK_FUNC(gethostbyname,
674 [HAVE_GETHOSTBYNAME="1"
676 [ AC_CHECK_LIB(nsl, gethostbyname,
677 [HAVE_GETHOSTBYNAME="1"
682 if test "$HAVE_GETHOSTBYNAME" != "1"
684 dnl gethostbyname in the socket lib?
685 AC_CHECK_LIB(socket, gethostbyname,
686 [HAVE_GETHOSTBYNAME="1"
687 LIBS="-lsocket $LIBS"
691 if test "$HAVE_GETHOSTBYNAME" != "1"
693 dnl gethostbyname in the watt lib?
694 AC_CHECK_LIB(watt, gethostbyname,
695 [HAVE_GETHOSTBYNAME="1"
696 CPPFLAGS="-I/dev/env/WATT_ROOT/inc"
697 LDFLAGS="-L/dev/env/WATT_ROOT/lib"
702 dnl At least one system has been identified to require BOTH nsl and socket
703 dnl libs at the same time to link properly.
704 if test "$HAVE_GETHOSTBYNAME" != "1"
706 AC_MSG_CHECKING([for gethostbyname with both nsl and socket libs])
707 my_ac_save_LIBS=$LIBS
708 LIBS="-lnsl -lsocket $LIBS"
716 HAVE_GETHOSTBYNAME="1"
719 LIBS=$my_ac_save_LIBS
723 if test "$HAVE_GETHOSTBYNAME" != "1"
725 dnl This is for winsock systems
726 if test "$ac_cv_header_windows_h" = "yes"; then
727 if test "$ac_cv_header_winsock_h" = "yes"; then
730 winsock_LIB="-lwinsock"
733 winsock_LIB="-lwsock32"
737 if test "$ac_cv_header_winsock2_h" = "yes"; then
738 winsock_LIB="-lws2_32"
740 if test ! -z "$winsock_LIB"; then
741 my_ac_save_LIBS=$LIBS
742 LIBS="$winsock_LIB $LIBS"
743 AC_MSG_CHECKING([for gethostbyname in $winsock_LIB])
746 #ifdef HAVE_WINDOWS_H
747 #ifndef WIN32_LEAN_AND_MEAN
748 #define WIN32_LEAN_AND_MEAN
751 #ifdef HAVE_WINSOCK2_H
752 #include <winsock2.h>
754 #ifdef HAVE_WINSOCK_H
760 gethostbyname("www.dummysite.com");
764 HAVE_GETHOSTBYNAME="1"
768 LIBS=$my_ac_save_LIBS
774 if test "$HAVE_GETHOSTBYNAME" != "1"
776 dnl This is for Minix 3.1
777 AC_MSG_CHECKING([for gethostbyname for Minix 3])
780 /* Older Minix versions may need <net/gen/netdb.h> here instead */
783 gethostbyname("www.dummysite.com");
787 HAVE_GETHOSTBYNAME="1"
793 if test "$HAVE_GETHOSTBYNAME" != "1"
795 dnl This is for eCos with a stubbed DNS implementation
796 AC_MSG_CHECKING([for gethostbyname for eCos])
802 gethostbyname("www.dummysite.com");
806 HAVE_GETHOSTBYNAME="1"
812 if test "$HAVE_GETHOSTBYNAME" != "1"
814 dnl gethostbyname in the network lib - for Haiku OS
815 AC_CHECK_LIB(network, gethostbyname,
816 [HAVE_GETHOSTBYNAME="1"
817 LIBS="-lnetwork $LIBS"
821 if test "$HAVE_GETHOSTBYNAME" != "1"
823 dnl gethostbyname in the net lib - for BeOS
824 AC_CHECK_LIB(net, gethostbyname,
825 [HAVE_GETHOSTBYNAME="1"
831 if test "$HAVE_GETHOSTBYNAME" != "1"; then
832 AC_MSG_ERROR([couldn't find libraries for gethostbyname()])
836 AC_CHECK_FUNC(strcasecmp, , [ AC_CHECK_LIB(resolve, strcasecmp) ])
838 if test "$ac_cv_lib_resolve_strcasecmp" = "$ac_cv_func_strcasecmp"; then
839 AC_CHECK_LIB(resolve, strcasecmp,
840 [LIBS="-lresolve $LIBS"],
844 ac_cv_func_strcasecmp="no"
846 CURL_CHECK_LIBS_CONNECT
848 CURL_NETWORK_LIBS=$LIBS
850 dnl **********************************************************************
851 dnl In case that function clock_gettime with monotonic timer is available,
852 dnl check for additional required libraries.
853 dnl **********************************************************************
854 CURL_CHECK_LIBS_CLOCK_GETTIME_MONOTONIC
856 dnl **********************************************************************
857 dnl The preceding library checks are all potentially useful for test
858 dnl servers and libtest cases which require networking and clock_gettime
859 dnl support. Save the list of required libraries at this point for use
860 dnl while linking those test servers and programs.
861 dnl **********************************************************************
862 CURL_NETWORK_AND_TIME_LIBS=$LIBS
864 dnl **********************************************************************
865 dnl Check for the presence of ZLIB libraries and headers
866 dnl **********************************************************************
868 dnl Check for & handle argument to --with-zlib.
870 clean_CPPFLAGS=$CPPFLAGS
871 clean_LDFLAGS=$LDFLAGS
875 AC_HELP_STRING([--with-zlib=PATH],[search for zlib in PATH])
876 AC_HELP_STRING([--without-zlib],[disable use of zlib]),
877 [OPT_ZLIB="$withval"])
879 if test "$OPT_ZLIB" = "no" ; then
880 AC_MSG_WARN([zlib disabled])
882 if test "$OPT_ZLIB" = "yes" ; then
886 if test -z "$OPT_ZLIB" ; then
887 dnl check for the lib first without setting any new path, since many
888 dnl people have it in the default path
890 AC_CHECK_LIB(z, inflateEnd,
891 dnl libz found, set the variable
894 dnl if no lib found, try /usr/local
895 [OPT_ZLIB="/usr/local"])
899 dnl Add a nonempty path to the compiler flags
900 if test -n "$OPT_ZLIB"; then
901 CPPFLAGS="$CPPFLAGS -I$OPT_ZLIB/include"
902 LDFLAGS="$LDFLAGS -L$OPT_ZLIB/lib$libsuff"
905 AC_CHECK_HEADER(zlib.h,
909 dnl if the lib wasn't found already, try again with the new paths
910 if test "$HAVE_LIBZ" != "1"; then
911 AC_CHECK_LIB(z, gzread,
913 dnl the lib was found!
917 [ CPPFLAGS=$clean_CPPFLAGS
918 LDFLAGS=$clean_LDFLAGS])
922 dnl zlib.h was not found, restore the flags
923 CPPFLAGS=$clean_CPPFLAGS
924 LDFLAGS=$clean_LDFLAGS]
927 if test "$HAVE_LIBZ" = "1" && test "$HAVE_ZLIB_H" != "1"
929 AC_MSG_WARN([configure found only the libz lib, not the header file!])
931 CPPFLAGS=$clean_CPPFLAGS
932 LDFLAGS=$clean_LDFLAGS
934 elif test "$HAVE_LIBZ" != "1" && test "$HAVE_ZLIB_H" = "1"
936 AC_MSG_WARN([configure found only the libz header file, not the lib!])
937 CPPFLAGS=$clean_CPPFLAGS
938 LDFLAGS=$clean_LDFLAGS
940 elif test "$HAVE_LIBZ" = "1" && test "$HAVE_ZLIB_H" = "1"
942 dnl both header and lib were found!
944 AC_DEFINE(HAVE_ZLIB_H, 1, [if you have the zlib.h header file])
945 AC_DEFINE(HAVE_LIBZ, 1, [if zlib is available])
948 LIBS="-lz $clean_LIBS"
950 dnl replace 'HAVE_LIBZ' in the automake makefile.ams
952 AC_MSG_NOTICE([found both libz and libz.h header])
953 curl_zlib_msg="enabled"
957 dnl set variable for use in automakefile(s)
958 AM_CONDITIONAL(HAVE_LIBZ, test x"$AMFIXLIB" = x1)
961 dnl **********************************************************************
963 dnl **********************************************************************
966 AC_ARG_WITH(ldap-lib,
967 AC_HELP_STRING([--with-ldap-lib=libname],[Specify name of ldap lib file]),
968 [LDAPLIBNAME="$withval"])
971 AC_ARG_WITH(lber-lib,
972 AC_HELP_STRING([--with-lber-lib=libname],[Specify name of lber lib file]),
973 [LBERLIBNAME="$withval"])
975 if test x$CURL_DISABLE_LDAP != x1 ; then
977 CURL_CHECK_HEADER_LBER
978 CURL_CHECK_HEADER_LDAP
979 CURL_CHECK_HEADER_LDAPSSL
980 CURL_CHECK_HEADER_LDAP_SSL
982 if test -z "$LDAPLIBNAME" ; then
983 if test "$ac_cv_native_windows" = "yes"; then
984 dnl Windows uses a single and unique LDAP library name
985 LDAPLIBNAME="wldap32"
990 if test "$LDAPLIBNAME" ; then
991 AC_CHECK_LIB("$LDAPLIBNAME", ldap_init,, [
992 AC_MSG_WARN(["$LDAPLIBNAME" is not an LDAP library: LDAP disabled])
993 AC_DEFINE(CURL_DISABLE_LDAP, 1, [to disable LDAP])
994 AC_SUBST(CURL_DISABLE_LDAP, [1])
995 AC_DEFINE(CURL_DISABLE_LDAPS, 1, [to disable LDAPS])
996 AC_SUBST(CURL_DISABLE_LDAPS, [1])])
998 dnl Try to find the right ldap libraries for this system
1000 case X-"$curl_cv_ldap_LIBS" in
1002 AC_MSG_WARN([Cannot find libraries for LDAP support: LDAP disabled])
1003 AC_DEFINE(CURL_DISABLE_LDAP, 1, [to disable LDAP])
1004 AC_SUBST(CURL_DISABLE_LDAP, [1])
1005 AC_DEFINE(CURL_DISABLE_LDAPS, 1, [to disable LDAPS])
1006 AC_SUBST(CURL_DISABLE_LDAPS, [1])
1012 if test x$CURL_DISABLE_LDAP != x1 ; then
1014 if test "$LBERLIBNAME" ; then
1015 dnl If name is "no" then don't define this library at all
1016 dnl (it's only needed if libldap.so's dependencies are broken).
1017 if test "$LBERLIBNAME" != "no" ; then
1018 AC_CHECK_LIB("$LBERLIBNAME", ber_free,, [
1019 AC_MSG_WARN(["$LBERLIBNAME" is not an LBER library: LDAP disabled])
1020 AC_DEFINE(CURL_DISABLE_LDAP, 1, [to disable LDAP])
1021 AC_SUBST(CURL_DISABLE_LDAP, [1])
1022 AC_DEFINE(CURL_DISABLE_LDAPS, 1, [to disable LDAPS])
1023 AC_SUBST(CURL_DISABLE_LDAPS, [1])])
1028 if test x$CURL_DISABLE_LDAP != x1 ; then
1029 AC_CHECK_FUNCS([ldap_url_parse ldap_init_fd])
1031 if test "$LDAPLIBNAME" = "wldap32"; then
1032 curl_ldap_msg="enabled (winldap)"
1033 AC_DEFINE(CURL_LDAP_WIN, 1, [Use Windows LDAP implementation])
1035 curl_ldap_msg="enabled (OpenLDAP)"
1036 if test "x$ac_cv_func_ldap_init_fd" = "xyes"; then
1037 AC_DEFINE(USE_OPENLDAP, 1, [Use OpenLDAP-specific code])
1038 AC_SUBST(USE_OPENLDAP, [1])
1043 if test x$CURL_DISABLE_LDAPS != x1 ; then
1044 curl_ldaps_msg="enabled"
1047 dnl **********************************************************************
1049 dnl **********************************************************************
1051 AC_MSG_CHECKING([whether to enable ipv6])
1053 AC_HELP_STRING([--enable-ipv6],[Enable ipv6 (with ipv4) support])
1054 AC_HELP_STRING([--disable-ipv6],[Disable ipv6 support]),
1055 [ case "$enableval" in
1060 *) AC_MSG_RESULT(yes)
1065 AC_TRY_RUN([ /* is AF_INET6 available? */
1066 #include <sys/types.h>
1067 #include <sys/socket.h>
1068 #include <stdlib.h> /* for exit() */
1071 if (socket(AF_INET6, SOCK_STREAM, 0) < 0)
1085 if test "$ipv6" = "yes"; then
1086 curl_ipv6_msg="enabled"
1089 # Check if struct sockaddr_in6 have sin6_scope_id member
1090 if test "$ipv6" = yes; then
1091 AC_MSG_CHECKING([if struct sockaddr_in6 has sin6_scope_id member])
1093 #include <sys/types.h>
1094 #include <netinet/in.h>] ,
1095 struct sockaddr_in6 s; s.sin6_scope_id = 0; , have_sin6_scope_id=yes)
1096 if test "$have_sin6_scope_id" = yes; then
1097 AC_MSG_RESULT([yes])
1098 AC_DEFINE(HAVE_SOCKADDR_IN6_SIN6_SCOPE_ID, 1, [Define to 1 if struct sockaddr_in6 has the sin6_scope_id member])
1104 dnl **********************************************************************
1105 dnl Check if the operating system allows programs to write to their own argv[]
1106 dnl **********************************************************************
1108 AC_MSG_CHECKING([if argv can be written to])
1111 int main(int argc, char ** argv) {
1113 return (argv[0][0] == ' ')?0:1;
1117 curl_cv_writable_argv=yes
1119 curl_cv_writable_argv=no
1121 curl_cv_writable_argv=cross
1123 case $curl_cv_writable_argv in
1125 AC_DEFINE(HAVE_WRITABLE_ARGV, 1, [Define this symbol if your OS supports changing the contents of argv])
1133 AC_MSG_WARN([the previous check could not be made default was used])
1137 dnl **********************************************************************
1138 dnl Check for FBopenssl(SPNEGO) libraries
1139 dnl **********************************************************************
1142 AC_HELP_STRING([--with-spnego=DIR],
1143 [Specify location of SPNEGO library fbopenssl]), [
1144 SPNEGO_ROOT="$withval"
1145 if test x"$SPNEGO_ROOT" != xno; then
1150 AC_MSG_CHECKING([if SPNEGO support is requested])
1151 if test x"$want_spnego" = xyes; then
1153 if test X"$SPNEGO_ROOT" = Xyes; then
1154 AC_MSG_ERROR([FBOpenSSL libs and/or directories were not found where specified!])
1157 if test -z "$SPNEGO_LIB_DIR"; then
1158 LDFLAGS="$LDFLAGS -L$SPNEGO_ROOT -lfbopenssl"
1160 LDFLAGS="$LDFLAGS $SPNEGO_LIB_DIR"
1164 AC_DEFINE(HAVE_SPNEGO, 1,
1165 [Define this if you have the SPNEGO library fbopenssl])
1166 curl_spnego_msg="enabled"
1172 dnl **********************************************************************
1173 dnl Check for GSS-API libraries
1174 dnl **********************************************************************
1176 dnl check for GSS-API stuff in the /usr as default
1179 AC_ARG_WITH(gssapi-includes,
1180 AC_HELP_STRING([--with-gssapi-includes=DIR],
1181 [Specify location of GSS-API headers]),
1182 [ GSSAPI_INCS="-I$withval"
1186 AC_ARG_WITH(gssapi-libs,
1187 AC_HELP_STRING([--with-gssapi-libs=DIR],
1188 [Specify location of GSS-API libs]),
1189 [ GSSAPI_LIB_DIR="-L$withval"
1194 AC_HELP_STRING([--with-gssapi=DIR],
1195 [Where to look for GSS-API]), [
1196 GSSAPI_ROOT="$withval"
1197 if test x"$GSSAPI_ROOT" != xno; then
1199 if test x"$GSSAPI_ROOT" = xyes; then
1200 dnl if yes, then use default root
1206 save_CPPFLAGS="$CPPFLAGS"
1207 AC_MSG_CHECKING([if GSS-API support is requested])
1208 if test x"$want_gss" = xyes; then
1211 if test -z "$GSSAPI_INCS"; then
1212 if test -f "$GSSAPI_ROOT/bin/krb5-config"; then
1213 GSSAPI_INCS=`$GSSAPI_ROOT/bin/krb5-config --cflags gssapi`
1214 elif test "$GSSAPI_ROOT" != "yes"; then
1215 GSSAPI_INCS="-I$GSSAPI_ROOT/include"
1219 CPPFLAGS="$CPPFLAGS $GSSAPI_INCS"
1221 AC_CHECK_HEADER(gss.h,
1223 dnl found in the given dirs
1224 AC_DEFINE(HAVE_GSSGNU, 1, [if you have GNU GSS])
1228 dnl not found, check Heimdal or MIT
1229 AC_CHECK_HEADERS([gssapi/gssapi.h], [], [not_mit=1])
1231 [gssapi/gssapi_generic.h gssapi/gssapi_krb5.h],
1236 #ifdef HAVE_GSSAPI_GSSAPI_H
1237 #include <gssapi/gssapi.h>
1240 if test "x$not_mit" = "x1"; then
1241 dnl MIT not found, check for Heimdal
1242 AC_CHECK_HEADER(gssapi.h,
1245 AC_DEFINE(HAVE_GSSHEIMDAL, 1, [if you have Heimdal])
1248 dnl no header found, disabling GSS
1250 AC_MSG_WARN(disabling GSS-API support since no header files were found)
1255 AC_DEFINE(HAVE_GSSMIT, 1, [if you have MIT Kerberos])
1256 dnl check if we have a really old MIT Kerberos version (<= 1.2)
1257 AC_MSG_CHECKING([if GSS-API headers declare GSS_C_NT_HOSTBASED_SERVICE])
1260 #include <gssapi/gssapi.h>
1261 #include <gssapi/gssapi_generic.h>
1262 #include <gssapi/gssapi_krb5.h>
1267 GSS_C_NT_HOSTBASED_SERVICE,
1271 AC_MSG_RESULT([yes])
1274 AC_DEFINE(HAVE_OLD_GSSMIT, 1,
1275 [if you have an old MIT Kerberos version, lacking GSS_C_NT_HOSTBASED_SERVICE])
1283 if test x"$want_gss" = xyes; then
1284 AC_DEFINE(HAVE_GSSAPI, 1, [if you have GSS-API libraries])
1286 curl_gss_msg="enabled (MIT Kerberos/Heimdal)"
1288 if test -n "$gnu_gss"; then
1289 curl_gss_msg="enabled (GNU GSS)"
1290 LDFLAGS="$LDFLAGS $GSSAPI_LIB_DIR"
1292 elif test -z "$GSSAPI_LIB_DIR"; then
1295 LIBS="-lgssapi_krb5 -lresolv $LIBS"
1298 if test "$GSSAPI_ROOT" != "yes"; then
1299 LDFLAGS="$LDFLAGS -L$GSSAPI_ROOT/lib$libsuff"
1304 if test -f "$GSSAPI_ROOT/bin/krb5-config"; then
1305 dnl krb5-config doesn't have --libs-only-L or similar, put everything
1307 gss_libs=`$GSSAPI_ROOT/bin/krb5-config --libs gssapi`
1308 LIBS="$gss_libs $LIBS"
1309 elif test "$GSSAPI_ROOT" != "yes"; then
1310 LDFLAGS="$LDFLAGS -L$GSSAPI_ROOT/lib$libsuff"
1311 LIBS="-lgssapi $LIBS"
1313 LIBS="-lgssapi $LIBS"
1318 LDFLAGS="$LDFLAGS $GSSAPI_LIB_DIR"
1324 LIBS="-lgssapi $LIBS"
1329 CPPFLAGS="$save_CPPFLAGS"
1332 dnl -------------------------------------------------
1333 dnl check winssl option before other SSL libraries
1334 dnl -------------------------------------------------
1337 AC_ARG_WITH(winssl,dnl
1338 AC_HELP_STRING([--with-winssl],[enable Windows native SSL/TLS])
1339 AC_HELP_STRING([--without-winssl], [disable Windows native SSL/TLS]),
1340 OPT_WINSSL=$withval)
1342 AC_MSG_CHECKING([whether to enable Windows native SSL/TLS (Windows native builds only)])
1343 if test "$curl_ssl_msg" = "$init_ssl_msg"; then
1344 if test "x$OPT_WINSSL" != "xno" &&
1345 test "x$ac_cv_native_windows" = "xyes"; then
1347 AC_DEFINE(USE_SCHANNEL, 1, [to enable Windows native SSL/TLS support])
1348 AC_SUBST(USE_SCHANNEL, [1])
1349 curl_ssl_msg="enabled (Windows-native)"
1351 # --with-winssl implies --enable-sspi
1352 AC_DEFINE(USE_WINDOWS_SSPI, 1, [to enable SSPI support])
1353 AC_SUBST(USE_WINDOWS_SSPI, [1])
1354 curl_sspi_msg="enabled"
1363 AC_ARG_WITH(darwinssl,dnl
1364 AC_HELP_STRING([--with-darwinssl],[enable iOS/Mac OS X native SSL/TLS])
1365 AC_HELP_STRING([--without-darwinssl], [disable iOS/Mac OS X native SSL/TLS]),
1366 OPT_DARWINSSL=$withval)
1368 AC_MSG_CHECKING([whether to enable iOS/Mac OS X native SSL/TLS])
1369 if test "$curl_ssl_msg" = "$init_ssl_msg"; then
1370 if test "x$OPT_DARWINSSL" != "xno" &&
1371 test -d "/System/Library/Frameworks/Security.framework"; then
1373 AC_DEFINE(USE_DARWINSSL, 1, [to enable iOS/Mac OS X native SSL/TLS support])
1374 AC_SUBST(USE_DARWINSSL, [1])
1375 curl_ssl_msg="enabled (iOS/Mac OS X-native)"
1377 LDFLAGS="$LDFLAGS -framework CoreFoundation -framework Security"
1385 dnl **********************************************************************
1386 dnl Check for the presence of SSL libraries and headers
1387 dnl **********************************************************************
1389 dnl Default to compiler & linker defaults for SSL files & libraries.
1391 dnl Default to no CA bundle
1394 AC_HELP_STRING([--with-ssl=PATH],[Where to look for OpenSSL, PATH points to the SSL installation (default: /usr/local/ssl); when possible, set the PKG_CONFIG_PATH environment variable instead of using this option])
1395 AC_HELP_STRING([--without-ssl], [disable OpenSSL]),
1398 if test "$curl_ssl_msg" = "$init_ssl_msg" && test X"$OPT_SSL" != Xno; then
1399 dnl backup the pre-ssl variables
1400 CLEANLDFLAGS="$LDFLAGS"
1401 CLEANCPPFLAGS="$CPPFLAGS"
1406 dnl --with-ssl (without path) used
1407 if test x$cross_compiling != xyes; then
1408 dnl only do pkg-config magic when not cross-compiling
1411 PREFIX_OPENSSL=/usr/local/ssl
1412 LIB_OPENSSL="$PREFIX_OPENSSL/lib$libsuff"
1415 dnl no --with-ssl option given, just check default places
1416 if test x$cross_compiling != xyes; then
1417 dnl only do pkg-config magic when not cross-compiling
1423 dnl check the given --with-ssl spot
1425 PREFIX_OPENSSL=$OPT_SSL
1427 dnl Try pkg-config even when cross-compiling. Since we
1428 dnl specify PKG_CONFIG_LIBDIR we're only looking where
1429 dnl the user told us to look
1430 OPENSSL_PCDIR="$OPT_SSL/lib/pkgconfig"
1431 AC_MSG_NOTICE([PKG_CONFIG_LIBDIR will be set to "$OPENSSL_PCDIR"])
1432 if test -f "$OPENSSL_PCDIR/openssl.pc"; then
1436 dnl in case pkg-config comes up empty, use what we got
1438 LIB_OPENSSL="$PREFIX_OPENSSL/lib$libsuff"
1439 if test "$PREFIX_OPENSSL" != "/usr" ; then
1440 SSL_LDFLAGS="-L$LIB_OPENSSL"
1441 SSL_CPPFLAGS="-I$PREFIX_OPENSSL/include"
1443 SSL_CPPFLAGS="$SSL_CPPFLAGS -I$PREFIX_OPENSSL/include/openssl"
1447 if test "$PKGTEST" = "yes"; then
1449 CURL_CHECK_PKGCONFIG(openssl, [$OPENSSL_PCDIR])
1451 if test "$PKGCONFIG" != "no" ; then
1452 SSL_LIBS=`CURL_EXPORT_PCDIR([$OPENSSL_PCDIR]) dnl
1453 $PKGCONFIG --libs-only-l openssl 2>/dev/null`
1455 SSL_LDFLAGS=`CURL_EXPORT_PCDIR([$OPENSSL_PCDIR]) dnl
1456 $PKGCONFIG --libs-only-L openssl 2>/dev/null`
1458 SSL_CPPFLAGS=`CURL_EXPORT_PCDIR([$OPENSSL_PCDIR]) dnl
1459 $PKGCONFIG --cflags-only-I openssl 2>/dev/null`
1461 AC_MSG_NOTICE([pkg-config: SSL_LIBS: "$SSL_LIBS"])
1462 AC_MSG_NOTICE([pkg-config: SSL_LDFLAGS: "$SSL_LDFLAGS"])
1463 AC_MSG_NOTICE([pkg-config: SSL_CPPFLAGS: "$SSL_CPPFLAGS"])
1465 LIB_OPENSSL=`echo $SSL_LDFLAGS | sed -e 's/-L//g'`
1467 dnl use the values pkg-config reported. This is here
1468 dnl instead of below with CPPFLAGS and LDFLAGS because we only
1469 dnl learn about this via pkg-config. If we only have
1470 dnl the argument to --with-ssl we don't know what
1471 dnl additional libs may be necessary. Hope that we
1473 LIBS="$SSL_LIBS $LIBS"
1477 dnl finally, set flags to use SSL
1478 CPPFLAGS="$CPPFLAGS $SSL_CPPFLAGS"
1479 LDFLAGS="$LDFLAGS $SSL_LDFLAGS"
1481 dnl This is for Msys/Mingw
1483 *-*-msys* | *-*-mingw*)
1484 AC_MSG_CHECKING([for gdi32])
1485 my_ac_save_LIBS=$LIBS
1486 LIBS="-lgdi32 $LIBS"
1487 AC_TRY_LINK([#include <windef.h>
1488 #include <wingdi.h>],
1491 AC_MSG_RESULT([yes])],
1492 [ dnl failed, restore LIBS
1493 LIBS=$my_ac_save_LIBS
1499 AC_CHECK_LIB(crypto, CRYPTO_lock,[
1501 LIBS="-lcrypto $LIBS"
1503 LDFLAGS="$CLEANLDFLAGS -L$LIB_OPENSSL"
1504 CPPFLAGS="$CLEANCPPFLAGS -I$PREFIX_OPENSSL/include/openssl -I$PREFIX_OPENSSL/include"
1505 AC_CHECK_LIB(crypto, CRYPTO_add_lock,[
1507 LIBS="-lcrypto $LIBS"], [
1508 LDFLAGS="$CLEANLDFLAGS"
1509 CPPFLAGS="$CLEANCPPFLAGS"
1515 if test X"$HAVECRYPTO" = X"yes"; then
1516 dnl This is only reasonable to do if crypto actually is there: check for
1517 dnl SSL libs NOTE: it is important to do this AFTER the crypto lib
1519 AC_CHECK_LIB(ssl, SSL_connect)
1521 if test "$ac_cv_lib_ssl_SSL_connect" != yes; then
1522 dnl we didn't find the SSL lib, try the RSAglue/rsaref stuff
1523 AC_MSG_CHECKING(for ssl with RSAglue/rsaref libs in use);
1525 LIBS="-lRSAglue -lrsaref $LIBS"
1526 AC_CHECK_LIB(ssl, SSL_connect)
1527 if test "$ac_cv_lib_ssl_SSL_connect" != yes; then
1528 dnl still no SSL_connect
1537 dnl Have the libraries--check for SSLeay/OpenSSL headers
1538 AC_CHECK_HEADERS(openssl/x509.h openssl/rsa.h openssl/crypto.h \
1539 openssl/pem.h openssl/ssl.h openssl/err.h,
1540 curl_ssl_msg="enabled (OpenSSL)"
1542 AC_DEFINE(USE_OPENSSL, 1, [if OpenSSL is in use]))
1544 if test $ac_cv_header_openssl_x509_h = no; then
1545 dnl we don't use the "action" part of the AC_CHECK_HEADERS macro
1546 dnl since 'err.h' might in fact find a krb4 header with the same
1548 AC_CHECK_HEADERS(x509.h rsa.h crypto.h pem.h ssl.h err.h)
1550 if test $ac_cv_header_x509_h = yes &&
1551 test $ac_cv_header_crypto_h = yes &&
1552 test $ac_cv_header_ssl_h = yes; then
1554 curl_ssl_msg="enabled (OpenSSL)"
1560 if test X"$OPENSSL_ENABLED" = X"1"; then
1561 AC_DEFINE(USE_SSLEAY, 1, [if SSL is enabled])
1563 dnl is there a pkcs12.h header present?
1564 AC_CHECK_HEADERS(openssl/pkcs12.h)
1568 dnl USE_SSLEAY is the historical name for what configure calls
1569 dnl OPENSSL_ENABLED; the names should really be unified
1570 USE_SSLEAY="$OPENSSL_ENABLED"
1571 AC_SUBST(USE_SSLEAY)
1573 if test X"$OPT_SSL" != Xoff &&
1574 test "$OPENSSL_ENABLED" != "1"; then
1575 AC_MSG_ERROR([OpenSSL libs and/or directories were not found where specified!])
1579 if test X"$OPENSSL_ENABLED" = X"1"; then
1580 dnl If the ENGINE library seems to be around, check for the OpenSSL engine
1581 dnl stuff, it is kind of "separated" from the main SSL check
1582 AC_CHECK_FUNC(ENGINE_init,
1584 AC_CHECK_HEADERS(openssl/engine.h)
1585 AC_CHECK_FUNCS( ENGINE_load_builtin_engines )
1588 dnl these can only exist if openssl exists
1589 dnl yassl doesn't have SSL_get_shutdown
1591 AC_CHECK_FUNCS( RAND_status \
1595 CRYPTO_cleanup_all_ex_data \
1597 SSLv2_client_method \
1598 SSL_CTX_set_next_proto_select_cb \
1599 SSL_CTX_set_alpn_protos \
1600 SSL_CTX_set_alpn_select_cb )
1602 dnl Make an attempt to detect if this is actually yassl's headers and
1603 dnl OpenSSL emulation layer. We still leave everything else believing
1604 dnl and acting like OpenSSL.
1606 AC_MSG_CHECKING([for yaSSL using OpenSSL compatibility mode])
1609 #include <openssl/ssl.h>
1611 #if defined(YASSL_VERSION) && defined(OPENSSL_VERSION_NUMBER)
1612 int dummy = SSL_ERROR_NONE;
1614 Not the yaSSL OpenSSL compatibility header.
1618 AC_MSG_RESULT([yes])
1619 AC_DEFINE_UNQUOTED(USE_YASSLEMUL, 1,
1620 [Define to 1 if using yaSSL in OpenSSL compatibility mode.])
1621 curl_ssl_msg="enabled (OpenSSL emulation by yaSSL)"
1627 if test "$OPENSSL_ENABLED" = "1"; then
1628 if test -n "$LIB_OPENSSL"; then
1629 dnl when the ssl shared libs were found in a path that the run-time
1630 dnl linker doesn't search through, we need to add it to LD_LIBRARY_PATH
1631 dnl to prevent further configure tests to fail due to this
1632 if test "x$cross_compiling" != "xyes"; then
1633 LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$LIB_OPENSSL"
1634 export LD_LIBRARY_PATH
1635 AC_MSG_NOTICE([Added $LIB_OPENSSL to LD_LIBRARY_PATH])
1638 CURL_CHECK_OPENSSL_API
1643 dnl **********************************************************************
1644 dnl Check for the random seed preferences
1645 dnl **********************************************************************
1647 if test X"$OPENSSL_ENABLED" = X"1"; then
1648 AC_ARG_WITH(egd-socket,
1649 AC_HELP_STRING([--with-egd-socket=FILE],
1650 [Entropy Gathering Daemon socket pathname]),
1651 [ EGD_SOCKET="$withval" ]
1653 if test -n "$EGD_SOCKET" ; then
1654 AC_DEFINE_UNQUOTED(EGD_SOCKET, "$EGD_SOCKET",
1655 [your Entropy Gathering Daemon socket pathname] )
1658 dnl Check for user-specified random device
1660 AC_HELP_STRING([--with-random=FILE],
1661 [read randomness from FILE (default=/dev/urandom)]),
1662 [ RANDOM_FILE="$withval" ],
1664 if test x$cross_compiling != xyes; then
1665 dnl Check for random device
1666 AC_CHECK_FILE("/dev/urandom", [ RANDOM_FILE="/dev/urandom"] )
1668 AC_MSG_WARN([skipped the /dev/urandom detection when cross-compiling])
1672 if test -n "$RANDOM_FILE" && test X"$RANDOM_FILE" != Xno ; then
1673 AC_SUBST(RANDOM_FILE)
1674 AC_DEFINE_UNQUOTED(RANDOM_FILE, "$RANDOM_FILE",
1675 [a suitable file to read random data from])
1680 dnl We require OpenSSL with SRP support.
1682 if test "$OPENSSL_ENABLED" = "1"; then
1683 AC_CHECK_LIB(crypto, SRP_Calc_client_key,
1685 AC_DEFINE(HAVE_SSLEAY_SRP, 1, [if you have the function SRP_Calc_client_key])
1686 AC_SUBST(HAVE_SSLEAY_SRP, [1])
1690 dnl ----------------------------------------------------
1691 dnl check for GnuTLS
1692 dnl ----------------------------------------------------
1694 dnl Default to compiler & linker defaults for GnuTLS files & libraries.
1697 AC_ARG_WITH(gnutls,dnl
1698 AC_HELP_STRING([--with-gnutls=PATH],[where to look for GnuTLS, PATH points to the installation root])
1699 AC_HELP_STRING([--without-gnutls], [disable GnuTLS detection]),
1700 OPT_GNUTLS=$withval)
1702 if test "$curl_ssl_msg" = "$init_ssl_msg"; then
1704 if test X"$OPT_GNUTLS" != Xno; then
1712 if test "x$OPT_GNUTLS" = "xyes"; then
1713 dnl this is with no partiular path given
1714 CURL_CHECK_PKGCONFIG(gnutls)
1716 if test "$PKGCONFIG" != "no" ; then
1717 addlib=`$PKGCONFIG --libs-only-l gnutls`
1718 addld=`$PKGCONFIG --libs-only-L gnutls`
1719 addcflags=`$PKGCONFIG --cflags-only-I gnutls`
1720 version=`$PKGCONFIG --modversion gnutls`
1721 gtlslib=`echo $addld | $SED -e 's/-L//'`
1723 dnl without pkg-config, we try libgnutls-config as that was how it
1725 check=`libgnutls-config --version 2>/dev/null`
1726 if test -n "$check"; then
1727 addlib=`libgnutls-config --libs`
1728 addcflags=`libgnutls-config --cflags`
1729 version=`libgnutls-config --version`
1730 gtlslib=`libgnutls-config --prefix`/lib$libsuff
1734 dnl this is with a given path, first check if there's a libgnutls-config
1735 dnl there and if not, make an educated guess
1736 cfg=$OPT_GNUTLS/bin/libgnutls-config
1737 check=`$cfg --version 2>/dev/null`
1738 if test -n "$check"; then
1739 addlib=`$cfg --libs`
1740 addcflags=`$cfg --cflags`
1741 version=`$cfg --version`
1742 gtlslib=`$cfg --prefix`/lib$libsuff
1744 dnl without pkg-config and libgnutls-config, we guess a lot!
1746 addld=-L$OPT_GNUTLS/lib$libsuff
1747 addcflags=-I$OPT_GNUTLS/include
1748 version="" # we just don't know
1749 gtlslib=$OPT_GNUTLS/lib$libsuff
1753 if test -z "$version"; then
1754 dnl lots of efforts, still no go
1758 if test -n "$addlib"; then
1761 CLEANCPPFLAGS="$CPPFLAGS"
1762 CLEANLDFLAGS="$LDFLAGS"
1764 LIBS="$addlib $LIBS"
1765 LDFLAGS="$LDFLAGS $addld"
1766 if test "$addcflags" != "-I/usr/include"; then
1767 CPPFLAGS="$CPPFLAGS $addcflags"
1770 AC_CHECK_LIB(gnutls, gnutls_check_version,
1772 AC_DEFINE(USE_GNUTLS, 1, [if GnuTLS is enabled])
1773 AC_SUBST(USE_GNUTLS, [1])
1776 curl_ssl_msg="enabled (GnuTLS)"
1780 CPPFLAGS="$CLEANCPPFLAGS"
1783 if test "x$USE_GNUTLS" = "xyes"; then
1784 AC_MSG_NOTICE([detected GnuTLS version $version])
1786 if test -n "$gtlslib"; then
1787 dnl when shared libs were found in a path that the run-time
1788 dnl linker doesn't search through, we need to add it to
1789 dnl LD_LIBRARY_PATH to prevent further configure tests to fail
1791 if test "x$cross_compiling" != "xyes"; then
1792 LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$gtlslib"
1793 export LD_LIBRARY_PATH
1794 AC_MSG_NOTICE([Added $gtlslib to LD_LIBRARY_PATH])
1801 fi dnl GNUTLS not disabled
1806 dnl Check which crypto backend GnuTLS uses
1809 if test "$GNUTLS_ENABLED" = "1"; then
1811 # First check if we can detect either crypto library via transitive linking
1812 AC_CHECK_LIB(gnutls, nettle_MD5Init, [ USE_GNUTLS_NETTLE=1 ])
1813 if test "$USE_GNUTLS_NETTLE" = ""; then
1814 AC_CHECK_LIB(gnutls, gcry_control, [ USE_GNUTLS_NETTLE=0 ])
1816 # If not, try linking directly to both of them to see if they are available
1817 if test "$USE_GNUTLS_NETTLE" = ""; then
1818 AC_CHECK_LIB(nettle, nettle_MD5Init, [ USE_GNUTLS_NETTLE=1 ])
1820 if test "$USE_GNUTLS_NETTLE" = ""; then
1821 AC_CHECK_LIB(gcrypt, gcry_control, [ USE_GNUTLS_NETTLE=0 ])
1823 if test "$USE_GNUTLS_NETTLE" = ""; then
1824 AC_MSG_ERROR([GnuTLS found, but neither gcrypt nor nettle found])
1826 if test "$USE_GNUTLS_NETTLE" = "1"; then
1827 AC_DEFINE(USE_GNUTLS_NETTLE, 1, [if GnuTLS uses nettle as crypto backend])
1828 AC_SUBST(USE_GNUTLS_NETTLE, [1])
1829 LIBS="-lnettle $LIBS"
1831 LIBS="-lgcrypt $LIBS"
1836 dnl We require GnuTLS with SRP support.
1838 if test "$GNUTLS_ENABLED" = "1"; then
1839 AC_CHECK_LIB(gnutls, gnutls_srp_verifier,
1841 AC_DEFINE(HAVE_GNUTLS_SRP, 1, [if you have the function gnutls_srp_verifier])
1842 AC_SUBST(HAVE_GNUTLS_SRP, [1])
1846 dnl ----------------------------------------------------
1847 dnl check for PolarSSL
1848 dnl ----------------------------------------------------
1850 dnl Default to compiler & linker defaults for PolarSSL files & libraries.
1855 AC_ARG_WITH(polarssl,dnl
1856 AC_HELP_STRING([--with-polarssl=PATH],[where to look for PolarSSL, PATH points to the installation root])
1857 AC_HELP_STRING([--without-polarssl], [disable PolarSSL detection]),
1858 OPT_POLARSSL=$withval)
1860 if test "$curl_ssl_msg" = "$init_ssl_msg"; then
1862 if test X"$OPT_POLARSSL" != Xno; then
1864 if test "$OPT_POLARSSL" = "yes"; then
1868 if test -z "$OPT_POLARSSL" ; then
1869 dnl check for lib first without setting any new path
1871 AC_CHECK_LIB(polarssl, havege_init,
1872 dnl libpolarssl found, set the variable
1874 AC_DEFINE(USE_POLARSSL, 1, [if PolarSSL is enabled])
1875 AC_SUBST(USE_POLARSSL, [1])
1878 curl_ssl_msg="enabled (PolarSSL)"
1887 if test "x$USE_POLARSSL" != "xyes"; then
1888 dnl add the path and test again
1889 addld=-L$OPT_POLARSSL/lib$libsuff
1890 addcflags=-I$OPT_POLARSSL/include
1891 polarssllib=$OPT_POLARSSL/lib$libsuff
1893 LDFLAGS="$LDFLAGS $addld"
1894 if test "$addcflags" != "-I/usr/include"; then
1895 CPPFLAGS="$CPPFLAGS $addcflags"
1898 AC_CHECK_LIB(polarssl, ssl_init,
1900 AC_DEFINE(USE_POLARSSL, 1, [if PolarSSL is enabled])
1901 AC_SUBST(USE_POLARSSL, [1])
1904 curl_ssl_msg="enabled (PolarSSL)"
1912 if test "x$USE_POLARSSL" = "xyes"; then
1913 AC_MSG_NOTICE([detected PolarSSL])
1915 LIBS="-lpolarssl $LIBS"
1917 if test -n "$polarssllib"; then
1918 dnl when shared libs were found in a path that the run-time
1919 dnl linker doesn't search through, we need to add it to
1920 dnl LD_LIBRARY_PATH to prevent further configure tests to fail
1922 if test "x$cross_compiling" != "xyes"; then
1923 LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$polarssllib"
1924 export LD_LIBRARY_PATH
1925 AC_MSG_NOTICE([Added $polarssllib to LD_LIBRARY_PATH])
1930 fi dnl PolarSSL not disabled
1934 dnl ----------------------------------------------------
1935 dnl check for CyaSSL
1936 dnl ----------------------------------------------------
1938 dnl Default to compiler & linker defaults for CyaSSL files & libraries.
1943 AC_ARG_WITH(cyassl,dnl
1944 AC_HELP_STRING([--with-cyassl=PATH],[where to look for CyaSSL, PATH points to the installation root (default: system lib default)])
1945 AC_HELP_STRING([--without-cyassl], [disable CyaSSL detection]),
1946 OPT_CYASSL=$withval)
1948 if test "$curl_ssl_msg" = "$init_ssl_msg"; then
1950 if test X"$OPT_CYASSL" != Xno; then
1952 if test "$OPT_CYASSL" = "yes"; then
1956 if test -z "$OPT_CYASSL" ; then
1957 dnl check for lib in system default first
1959 AC_CHECK_LIB(cyassl, CyaSSL_Init,
1960 dnl libcyassl found, set the variable
1962 AC_DEFINE(USE_CYASSL, 1, [if CyaSSL is enabled])
1963 AC_SUBST(USE_CYASSL, [1])
1966 curl_ssl_msg="enabled (CyaSSL)"
1975 if test "x$USE_CYASSL" != "xyes"; then
1976 dnl add the path and test again
1977 addld=-L$OPT_CYASSL/lib$libsuff
1978 addcflags=-I$OPT_CYASSL/include
1979 cyassllib=$OPT_CYASSL/lib$libsuff
1981 LDFLAGS="$LDFLAGS $addld"
1982 if test "$addcflags" != "-I/usr/include"; then
1983 CPPFLAGS="$CPPFLAGS $addcflags"
1986 AC_CHECK_LIB(cyassl, CyaSSL_Init,
1988 AC_DEFINE(USE_CYASSL, 1, [if CyaSSL is enabled])
1989 AC_SUBST(USE_CYASSL, [1])
1992 curl_ssl_msg="enabled (CyaSSL)"
2000 if test "x$USE_CYASSL" = "xyes"; then
2001 AC_MSG_NOTICE([detected CyaSSL])
2003 dnl cyassl/ctaocrypt/types.h needs SIZEOF_LONG_LONG defined!
2004 AC_CHECK_SIZEOF(long long)
2006 LIBS="-lcyassl -lm $LIBS"
2008 if test -n "$cyassllib"; then
2009 dnl when shared libs were found in a path that the run-time
2010 dnl linker doesn't search through, we need to add it to
2011 dnl LD_LIBRARY_PATH to prevent further configure tests to fail
2013 if test "x$cross_compiling" != "xyes"; then
2014 LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$cyassllib"
2015 export LD_LIBRARY_PATH
2016 AC_MSG_NOTICE([Added $cyassllib to LD_LIBRARY_PATH])
2022 fi dnl CyaSSL not disabled
2026 dnl ----------------------------------------------------
2027 dnl NSS. Only check if GnuTLS and OpenSSL are not enabled
2028 dnl ----------------------------------------------------
2030 dnl Default to compiler & linker defaults for NSS files & libraries.
2034 AC_HELP_STRING([--with-nss=PATH],[where to look for NSS, PATH points to the installation root])
2035 AC_HELP_STRING([--without-nss], [disable NSS detection]),
2038 if test "$curl_ssl_msg" = "$init_ssl_msg"; then
2040 if test X"$OPT_NSS" != Xno; then
2048 if test "x$OPT_NSS" = "xyes"; then
2050 CURL_CHECK_PKGCONFIG(nss)
2052 if test "$PKGCONFIG" != "no" ; then
2053 addlib=`$PKGCONFIG --libs nss`
2054 addcflags=`$PKGCONFIG --cflags nss`
2055 version=`$PKGCONFIG --modversion nss`
2056 nssprefix=`$PKGCONFIG --variable=prefix nss`
2058 dnl Without pkg-config, we check for nss-config
2060 check=`nss-config --version 2>/dev/null`
2061 if test -n "$check"; then
2062 addlib=`nss-config --libs`
2063 addcflags=`nss-config --cflags`
2064 version=`nss-config --version`
2065 nssprefix=`nss-config --prefix`
2073 # Without pkg-config, we'll kludge in some defaults
2074 addlib="-L$OPT_NSS/lib -lssl3 -lsmime3 -lnss3 -lplds4 -lplc4 -lnspr4 -lpthread -ldl"
2075 addcflags="-I$OPT_NSS/include"
2080 if test -n "$addlib"; then
2083 CLEANCPPFLAGS="$CPPFLAGS"
2085 LIBS="$addlib $LIBS"
2086 if test "$addcflags" != "-I/usr/include"; then
2087 CPPFLAGS="$CPPFLAGS $addcflags"
2090 dnl The function SSL_VersionRangeSet() is needed to enable TLS > 1.0
2091 AC_CHECK_LIB(nss3, SSL_VersionRangeSet,
2093 AC_DEFINE(USE_NSS, 1, [if NSS is enabled])
2094 AC_SUBST(USE_NSS, [1])
2097 curl_ssl_msg="enabled (NSS)"
2101 CPPFLAGS="$CLEANCPPFLAGS"
2104 if test "x$USE_NSS" = "xyes"; then
2105 AC_MSG_NOTICE([detected NSS version $version])
2107 dnl when shared libs were found in a path that the run-time
2108 dnl linker doesn't search through, we need to add it to
2109 dnl LD_LIBRARY_PATH to prevent further configure tests to fail
2111 if test "x$cross_compiling" != "xyes"; then
2112 LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$nssprefix/lib$libsuff"
2113 export LD_LIBRARY_PATH
2114 AC_MSG_NOTICE([Added $nssprefix/lib$libsuff to LD_LIBRARY_PATH])
2120 fi dnl NSS not disabled
2122 fi dnl curl_ssl_msg = init_ssl_msg
2126 AC_ARG_WITH(axtls,dnl
2127 AC_HELP_STRING([--with-axtls=PATH],[Where to look for axTLS, PATH points to the axTLS installation prefix (default: /usr/local). Ignored if another SSL engine is selected.])
2128 AC_HELP_STRING([--without-axtls], [disable axTLS]),
2131 if test "$curl_ssl_msg" = "$init_ssl_msg"; then
2132 if test X"$OPT_AXTLS" != Xno; then
2133 dnl backup the pre-axtls variables
2134 CLEANLDFLAGS="$LDFLAGS"
2135 CLEANCPPFLAGS="$CPPFLAGS"
2138 case "$OPT_AXTLS" in
2140 dnl --with-axtls (without path) used
2141 PREFIX_AXTLS=/usr/local
2142 LIB_AXTLS="$PREFIX_AXTLS/lib"
2143 LDFLAGS="$LDFLAGS -L$LIB_AXTLS"
2144 CPPFLAGS="$CPPFLAGS -I$PREFIX_AXTLS/include"
2147 dnl no --with-axtls option given, just check default places
2151 dnl check the given --with-axtls spot
2152 PREFIX_AXTLS=$OPT_AXTLS
2153 LIB_AXTLS="$PREFIX_AXTLS/lib"
2154 LDFLAGS="$LDFLAGS -L$LIB_AXTLS"
2155 CPPFLAGS="$CPPFLAGS -I$PREFIX_AXTLS/include"
2159 AC_CHECK_LIB(axtls, ssl_version,[
2160 LIBS="-laxtls $LIBS"
2161 AC_DEFINE(USE_AXTLS, 1, [if axTLS is enabled])
2162 AC_SUBST(USE_AXTLS, [1])
2165 curl_ssl_msg="enabled (axTLS)"
2168 LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$LIB_AXTLS"
2169 export LD_LIBRARY_PATH
2170 AC_MSG_NOTICE([Added $LIB_AXTLS to LD_LIBRARY_PATH])
2172 LDFLAGS="$CLEANLDFLAGS"
2173 CPPFLAGS="$CLEANCPPFLAGS"
2179 if test "x$OPENSSL_ENABLED$GNUTLS_ENABLED$NSS_ENABLED$POLARSSL_ENABLED$AXTLS_ENABLED$CYASSL_ENABLED$WINSSL_ENABLED$DARWINSSL_ENABLED" = "x"; then
2180 AC_MSG_WARN([SSL disabled, you will not be able to use HTTPS, FTPS, NTLM and more.])
2181 AC_MSG_WARN([Use --with-ssl, --with-gnutls, --with-polarssl, --with-cyassl, --with-nss, --with-axtls, --with-winssl, or --with-darwinssl to address this.])
2183 # SSL is enabled, genericly
2184 AC_SUBST(SSL_ENABLED)
2188 dnl **********************************************************************
2189 dnl Check for the CA bundle
2190 dnl **********************************************************************
2192 CURL_CHECK_CA_BUNDLE
2194 dnl **********************************************************************
2195 dnl Check for libmetalink
2196 dnl **********************************************************************
2200 AC_ARG_WITH(libmetalink,dnl
2201 AC_HELP_STRING([--with-libmetalink=PATH],[where to look for libmetalink, PATH points to the installation root])
2202 AC_HELP_STRING([--without-libmetalink], [disable libmetalink detection]),
2203 OPT_LIBMETALINK=$withval)
2205 if test X"$OPT_LIBMETALINK" != Xno; then
2214 if test "x$OPT_LIBMETALINK" = "xyes"; then
2215 dnl this is with no partiular path given
2217 CURL_CHECK_PKGCONFIG(libmetalink)
2219 dnl When particular path is given, set PKG_CONFIG_LIBDIR using the path.
2220 LIBMETALINK_PCDIR="$OPT_LIBMETALINK/lib/pkgconfig"
2221 AC_MSG_NOTICE([PKG_CONFIG_LIBDIR will be set to "$LIBMETALINK_PCDIR"])
2222 if test -f "$LIBMETALINK_PCDIR/libmetalink.pc"; then
2225 if test "$PKGTEST" = "yes"; then
2226 CURL_CHECK_PKGCONFIG(libmetalink, [$LIBMETALINK_PCDIR])
2229 if test "$PKGTEST" = "yes" && test "$PKGCONFIG" != "no"; then
2230 addlib=`CURL_EXPORT_PCDIR([$LIBMETALINK_PCDIR]) dnl
2231 $PKGCONFIG --libs-only-l libmetalink`
2232 addld=`CURL_EXPORT_PCDIR([$LIBMETALINK_PCDIR]) dnl
2233 $PKGCONFIG --libs-only-L libmetalink`
2234 addcflags=`CURL_EXPORT_PCDIR([$LIBMETALINK_PCDIR]) dnl
2235 $PKGCONFIG --cflags-only-I libmetalink`
2236 version=`CURL_EXPORT_PCDIR([$LIBMETALINK_PCDIR]) dnl
2237 $PKGCONFIG --modversion libmetalink`
2238 libmetalinklib=`echo $addld | $SED -e 's/-L//'`
2240 if test -n "$addlib"; then
2242 clean_CPPFLAGS="$CPPFLAGS"
2243 clean_LDFLAGS="$LDFLAGS"
2245 CPPFLAGS="$addcflags $clean_CPPFLAGS"
2246 LDFLAGS="$addld $clean_LDFLAGS"
2247 LIBS="$addlib $clean_LIBS"
2248 AC_MSG_CHECKING([if libmetalink is recent enough])
2251 # include <metalink/metalink.h>
2253 if(0 != metalink_strerror(0)) /* added in 0.1.0 */
2257 AC_MSG_RESULT([yes ($version)])
2260 AC_MSG_RESULT([no ($version)])
2261 AC_MSG_NOTICE([libmetalink library defective or too old])
2264 CPPFLAGS="$clean_CPPFLAGS"
2265 LDFLAGS="$clean_LDFLAGS"
2267 if test "$want_metalink" = "yes"; then
2268 dnl finally libmetalink will be used
2269 AC_DEFINE(USE_METALINK, 1, [Define to enable metalink support])
2270 LIBMETALINK_LIBS=$addlib
2271 LIBMETALINK_LDFLAGS=$addld
2272 LIBMETALINK_CPPFLAGS=$addcflags
2273 AC_SUBST([LIBMETALINK_LIBS])
2274 AC_SUBST([LIBMETALINK_LDFLAGS])
2275 AC_SUBST([LIBMETALINK_CPPFLAGS])
2276 curl_mtlnk_msg="enabled"
2282 dnl **********************************************************************
2283 dnl Check for the presence of LIBSSH2 libraries and headers
2284 dnl **********************************************************************
2286 dnl Default to compiler & linker defaults for LIBSSH2 files & libraries.
2288 AC_ARG_WITH(libssh2,dnl
2289 AC_HELP_STRING([--with-libssh2=PATH],[Where to look for libssh2, PATH points to the LIBSSH2 installation; when possible, set the PKG_CONFIG_PATH environment variable instead of using this option])
2290 AC_HELP_STRING([--without-libssh2], [disable LIBSSH2]),
2291 OPT_LIBSSH2=$withval)
2293 if test X"$OPT_LIBSSH2" != Xno; then
2294 dnl backup the pre-libssh2 variables
2295 CLEANLDFLAGS="$LDFLAGS"
2296 CLEANCPPFLAGS="$CPPFLAGS"
2299 case "$OPT_LIBSSH2" in
2301 dnl --with-libssh2 (without path) used
2302 CURL_CHECK_PKGCONFIG(libssh2)
2304 if test "$PKGCONFIG" != "no" ; then
2305 LIB_SSH2=`$PKGCONFIG --libs-only-l libssh2`
2306 LD_SSH2=`$PKGCONFIG --libs-only-L libssh2`
2307 CPP_SSH2=`$PKGCONFIG --cflags-only-I libssh2`
2308 version=`$PKGCONFIG --modversion libssh2`
2309 DIR_SSH2=`echo $LD_SSH2 | $SED -e 's/-L//'`
2314 dnl no --with-libssh2 option given, just check default places
2317 dnl use the given --with-libssh2 spot
2318 PREFIX_SSH2=$OPT_LIBSSH2
2322 dnl if given with a prefix, we set -L and -I based on that
2323 if test -n "$PREFIX_SSH2"; then
2325 LD_SSH2=-L${PREFIX_SSH2}/lib$libsuff
2326 CPP_SSH2=-I${PREFIX_SSH2}/include
2327 DIR_SSH2=${PREFIX_SSH2}/lib$libsuff
2330 LDFLAGS="$LDFLAGS $LD_SSH2"
2331 CPPFLAGS="$CPPFLAGS $CPP_SSH2"
2332 LIBS="$LIB_SSH2 $LIBS"
2334 AC_CHECK_LIB(ssh2, libssh2_channel_open_ex)
2336 AC_CHECK_HEADERS(libssh2.h,
2337 curl_ssh_msg="enabled (libSSH2)"
2339 AC_DEFINE(USE_LIBSSH2, 1, [if libSSH2 is in use])
2340 AC_SUBST(USE_LIBSSH2, [1])
2343 if test X"$OPT_LIBSSH2" != Xoff &&
2344 test "$LIBSSH2_ENABLED" != "1"; then
2345 AC_MSG_ERROR([libSSH2 libs and/or directories were not found where specified!])
2348 if test "$LIBSSH2_ENABLED" = "1"; then
2349 if test -n "$DIR_SSH2"; then
2350 dnl when the libssh2 shared libs were found in a path that the run-time
2351 dnl linker doesn't search through, we need to add it to LD_LIBRARY_PATH
2352 dnl to prevent further configure tests to fail due to this
2354 dnl libssh2_version is a post 1.0 addition
2355 dnl libssh2_init and libssh2_exit were added in 1.2.5
2356 dnl libssh2_scp_send64 was added in 1.2.6
2357 dnl libssh2_session_handshake was added in 1.2.8
2358 AC_CHECK_FUNCS( libssh2_version libssh2_init libssh2_exit \
2359 libssh2_scp_send64 libssh2_session_handshake)
2360 if test "x$cross_compiling" != "xyes"; then
2361 LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$DIR_SSH2"
2362 export LD_LIBRARY_PATH
2363 AC_MSG_NOTICE([Added $DIR_SSH2 to LD_LIBRARY_PATH])
2367 dnl no libssh2, revert back to clean variables
2368 LDFLAGS=$CLEANLDFLAGS
2369 CPPFLAGS=$CLEANCPPFLAGS
2374 dnl **********************************************************************
2375 dnl Check for the presence of LIBRTMP libraries and headers
2376 dnl **********************************************************************
2378 dnl Default to compiler & linker defaults for LIBRTMP files & libraries.
2380 AC_ARG_WITH(librtmp,dnl
2381 AC_HELP_STRING([--with-librtmp=PATH],[Where to look for librtmp, PATH points to the LIBRTMP installation; when possible, set the PKG_CONFIG_PATH environment variable instead of using this option])
2382 AC_HELP_STRING([--without-librtmp], [disable LIBRTMP]),
2383 OPT_LIBRTMP=$withval)
2385 if test X"$OPT_LIBRTMP" != Xno; then
2386 dnl backup the pre-librtmp variables
2387 CLEANLDFLAGS="$LDFLAGS"
2388 CLEANCPPFLAGS="$CPPFLAGS"
2391 case "$OPT_LIBRTMP" in
2393 dnl --with-librtmp (without path) used
2394 CURL_CHECK_PKGCONFIG(librtmp)
2396 if test "$PKGCONFIG" != "no" ; then
2397 LIB_RTMP=`$PKGCONFIG --libs-only-l librtmp`
2398 LD_RTMP=`$PKGCONFIG --libs-only-L librtmp`
2399 CPP_RTMP=`$PKGCONFIG --cflags-only-I librtmp`
2400 version=`$PKGCONFIG --modversion librtmp`
2401 DIR_RTMP=`echo $LD_RTMP | $SED -e 's/-L//'`
2403 dnl To avoid link errors, we do not allow --librtmp without
2404 dnl a pkgconfig file
2405 AC_MSG_ERROR([--librtmp was specified but could not find librtmp pkgconfig file.])
2410 dnl no --with-librtmp option given, just check default places
2414 dnl use the given --with-librtmp spot
2415 PREFIX_RTMP=$OPT_LIBRTMP
2419 dnl if given with a prefix, we set -L and -I based on that
2420 if test -n "$PREFIX_RTMP"; then
2421 LD_RTMP=-L${PREFIX_RTMP}/lib$libsuff
2422 CPP_RTMP=-I${PREFIX_RTMP}/include
2423 DIR_RTMP=${PREFIX_RTMP}/lib$libsuff
2426 LDFLAGS="$LDFLAGS $LD_RTMP"
2427 CPPFLAGS="$CPPFLAGS $CPP_RTMP"
2428 LIBS="$LIB_RTMP $LIBS"
2430 AC_CHECK_LIB(rtmp, RTMP_Init,
2432 AC_CHECK_HEADERS(librtmp/rtmp.h,
2433 curl_rtmp_msg="enabled (librtmp)"
2435 AC_DEFINE(USE_LIBRTMP, 1, [if librtmp is in use])
2436 AC_SUBST(USE_LIBRTMP, [1])
2439 dnl not found, revert back to clean variables
2440 LDFLAGS=$CLEANLDFLAGS
2441 CPPFLAGS=$CLEANCPPFLAGS
2445 if test X"$OPT_LIBRTMP" != Xoff &&
2446 test "$LIBRTMP_ENABLED" != "1"; then
2447 AC_MSG_ERROR([librtmp libs and/or directories were not found where specified!])
2452 dnl **********************************************************************
2453 dnl Check for linker switch for versioned symbols
2454 dnl **********************************************************************
2456 versioned_symbols_flavour=
2457 AC_MSG_CHECKING([whether versioned symbols are wanted])
2458 AC_ARG_ENABLE(versioned-symbols,
2459 AC_HELP_STRING([--enable-versioned-symbols], [Enable versioned symbols in shared library])
2460 AC_HELP_STRING([--disable-versioned-symbols], [Disable versioned symbols in shared library]),
2461 [ case "$enableval" in
2462 yes) AC_MSG_RESULT(yes)
2463 AC_MSG_CHECKING([if libraries can be versioned])
2464 GLD=`$LD --help < /dev/null 2>/dev/null | grep version-script`
2465 if test -z "$GLD"; then
2467 AC_MSG_WARN([You need an ld version supporting the --version-script option])
2470 if test "x$OPENSSL_ENABLED" = "x1"; then
2471 versioned_symbols_flavour="OPENSSL_"
2472 elif test "x$GNUTLS_ENABLED" = "x1"; then
2473 versioned_symbols_flavour="GNUTLS_"
2474 elif test "x$NSS_ENABLED" = "x1"; then
2475 versioned_symbols_flavour="NSS_"
2476 elif test "x$POLARSSL_ENABLED" = "x1"; then
2477 versioned_symbols_flavour="POLARSSL_"
2478 elif test "x$CYASSL_ENABLED" = "x1"; then
2479 versioned_symbols_flavour="CYASSL_"
2480 elif test "x$AXTLS_ENABLED" = "x1"; then
2481 versioned_symbols_flavour="AXTLS_"
2482 elif test "x$WINSSL_ENABLED" = "x1"; then
2483 versioned_symbols_flavour="WINSSL_"
2484 elif test "x$DARWINSSL_ENABLED" = "x1"; then
2485 versioned_symbols_flavour="DARWINSSL_"
2487 versioned_symbols_flavour=""
2489 versioned_symbols="yes"
2493 *) AC_MSG_RESULT(no)
2501 AC_SUBST([CURL_LT_SHLIB_VERSIONED_FLAVOUR],
2502 ["$versioned_symbols_flavour"])
2503 AM_CONDITIONAL([CURL_LT_SHLIB_USE_VERSIONED_SYMBOLS],
2504 [test "x$versioned_symbols" = 'xyes'])
2506 dnl -------------------------------------------------
2507 dnl check winidn option before other IDN libraries
2508 dnl -------------------------------------------------
2510 AC_MSG_CHECKING([whether to enable Windows native IDN (Windows native builds only)])
2511 OPT_WINIDN="default"
2513 AC_HELP_STRING([--with-winidn=PATH],[enable Windows native IDN])
2514 AC_HELP_STRING([--without-winidn], [disable Windows native IDN]),
2515 OPT_WINIDN=$withval)
2516 case "$OPT_WINIDN" in
2518 dnl --without-winidn option used or configure option not specified
2523 dnl --with-winidn option used without path
2525 want_winidn_path="default"
2526 AC_MSG_RESULT([yes])
2529 dnl --with-winidn option used with path
2531 want_winidn_path="$withval"
2532 AC_MSG_RESULT([yes ($withval)])
2536 if test "$want_winidn" = "yes"; then
2537 dnl winidn library support has been requested
2538 clean_CPPFLAGS="$CPPFLAGS"
2539 clean_LDFLAGS="$LDFLAGS"
2541 WINIDN_LIBS="-lnormaliz"
2543 if test "$want_winidn_path" != "default"; then
2544 dnl path has been specified
2545 dnl pkg-config not available or provides no info
2546 WINIDN_LDFLAGS="-L$want_winidn_path/lib$libsuff"
2547 WINIDN_CPPFLAGS="-I$want_winidn_path/include"
2548 WINIDN_DIR="$want_winidn_path/lib$libsuff"
2551 CPPFLAGS="$WINIDN_CPPFLAGS $CPPFLAGS"
2552 LDFLAGS="$WINIDN_LDFLAGS $LDFLAGS"
2553 LIBS="$WINIDN_LIBS $LIBS"
2555 AC_MSG_CHECKING([if IdnToUnicode can be linked])
2557 AC_LANG_FUNC_LINK_TRY([IdnToUnicode])
2559 AC_MSG_RESULT([yes])
2560 tst_links_winidn="yes"
2563 tst_links_winidn="no"
2566 if test "$tst_links_winidn" = "yes"; then
2567 AC_DEFINE(USE_WIN32_IDN, 1, [Define to 1 if you have the `normaliz' (WinIDN) library (-lnormaliz).])
2568 AC_DEFINE(WANT_IDN_PROTOTYPES, 1, [Define to 1 to provide own prototypes.])
2569 AC_SUBST([IDN_ENABLED], [1])
2570 curl_idn_msg="enabled (Windows-native)"
2572 AC_MSG_WARN([Cannot find libraries for IDN support: IDN disabled])
2573 CPPFLAGS="$clean_CPPFLAGS"
2574 LDFLAGS="$clean_LDFLAGS"
2579 dnl **********************************************************************
2580 dnl Check for the presence of IDN libraries and headers
2581 dnl **********************************************************************
2583 AC_MSG_CHECKING([whether to build with libidn])
2586 AC_HELP_STRING([--with-libidn=PATH],[Enable libidn usage])
2587 AC_HELP_STRING([--without-libidn],[Disable libidn usage]),
2591 dnl --without-libidn option used
2596 dnl configure option not specified
2598 want_idn_path="default"
2599 AC_MSG_RESULT([(assumed) yes])
2602 dnl --with-libidn option used without path
2604 want_idn_path="default"
2605 AC_MSG_RESULT([yes])
2608 dnl --with-libidn option used with path
2610 want_idn_path="$withval"
2611 AC_MSG_RESULT([yes ($withval)])
2615 if test "$want_idn" = "yes"; then
2616 dnl idn library support has been requested
2617 clean_CPPFLAGS="$CPPFLAGS"
2618 clean_LDFLAGS="$LDFLAGS"
2622 if test "$want_idn_path" != "default"; then
2623 dnl path has been specified
2624 IDN_PCDIR="$want_idn_path/lib$libsuff/pkgconfig"
2625 CURL_CHECK_PKGCONFIG(libidn, [$IDN_PCDIR])
2626 if test "$PKGCONFIG" != "no"; then
2627 IDN_LIBS=`CURL_EXPORT_PCDIR([$IDN_PCDIR]) dnl
2628 $PKGCONFIG --libs-only-l libidn 2>/dev/null`
2629 IDN_LDFLAGS=`CURL_EXPORT_PCDIR([$IDN_PCDIR]) dnl
2630 $PKGCONFIG --libs-only-L libidn 2>/dev/null`
2631 IDN_CPPFLAGS=`CURL_EXPORT_PCDIR([$IDN_PCDIR]) dnl
2632 $PKGCONFIG --cflags-only-I libidn 2>/dev/null`
2633 IDN_DIR=`echo $IDN_LDFLAGS | $SED -e 's/-L//'`
2635 dnl pkg-config not available or provides no info
2637 IDN_LDFLAGS="-L$want_idn_path/lib$libsuff"
2638 IDN_CPPFLAGS="-I$want_idn_path/include"
2639 IDN_DIR="$want_idn_path/lib$libsuff"
2642 dnl path not specified
2643 CURL_CHECK_PKGCONFIG(libidn)
2644 if test "$PKGCONFIG" != "no"; then
2645 IDN_LIBS=`$PKGCONFIG --libs-only-l libidn 2>/dev/null`
2646 IDN_LDFLAGS=`$PKGCONFIG --libs-only-L libidn 2>/dev/null`
2647 IDN_CPPFLAGS=`$PKGCONFIG --cflags-only-I libidn 2>/dev/null`
2648 IDN_DIR=`echo $IDN_LDFLAGS | $SED -e 's/-L//'`
2650 dnl pkg-config not available or provides no info
2655 if test "$PKGCONFIG" != "no"; then
2656 AC_MSG_NOTICE([pkg-config: IDN_LIBS: "$IDN_LIBS"])
2657 AC_MSG_NOTICE([pkg-config: IDN_LDFLAGS: "$IDN_LDFLAGS"])
2658 AC_MSG_NOTICE([pkg-config: IDN_CPPFLAGS: "$IDN_CPPFLAGS"])
2659 AC_MSG_NOTICE([pkg-config: IDN_DIR: "$IDN_DIR"])
2661 AC_MSG_NOTICE([IDN_LIBS: "$IDN_LIBS"])
2662 AC_MSG_NOTICE([IDN_LDFLAGS: "$IDN_LDFLAGS"])
2663 AC_MSG_NOTICE([IDN_CPPFLAGS: "$IDN_CPPFLAGS"])
2664 AC_MSG_NOTICE([IDN_DIR: "$IDN_DIR"])
2667 CPPFLAGS="$IDN_CPPFLAGS $CPPFLAGS"
2668 LDFLAGS="$IDN_LDFLAGS $LDFLAGS"
2669 LIBS="$IDN_LIBS $LIBS"
2671 AC_MSG_CHECKING([if idna_to_ascii_4i can be linked])
2673 AC_LANG_FUNC_LINK_TRY([idna_to_ascii_4i])
2675 AC_MSG_RESULT([yes])
2676 tst_links_libidn="yes"
2679 tst_links_libidn="no"
2681 if test "$tst_links_libidn" = "no"; then
2682 AC_MSG_CHECKING([if idna_to_ascii_lz can be linked])
2684 AC_LANG_FUNC_LINK_TRY([idna_to_ascii_lz])
2686 AC_MSG_RESULT([yes])
2687 tst_links_libidn="yes"
2690 tst_links_libidn="no"
2694 if test "$tst_links_libidn" = "yes"; then
2695 AC_DEFINE(HAVE_LIBIDN, 1, [Define to 1 if you have the `idn' library (-lidn).])
2696 dnl different versions of libidn have different setups of these:
2697 AC_CHECK_FUNCS( idn_free idna_strerror tld_strerror )
2698 AC_CHECK_HEADERS( idn-free.h tld.h )
2699 if test "x$ac_cv_header_tld_h" = "xyes"; then
2700 AC_SUBST([IDN_ENABLED], [1])
2701 curl_idn_msg="enabled"
2702 if test -n "$IDN_DIR"; then
2703 LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$IDN_DIR"
2704 export LD_LIBRARY_PATH
2705 AC_MSG_NOTICE([Added $IDN_DIR to LD_LIBRARY_PATH])
2708 AC_MSG_WARN([Libraries for IDN support too old: IDN disabled])
2709 CPPFLAGS="$clean_CPPFLAGS"
2710 LDFLAGS="$clean_LDFLAGS"
2714 AC_MSG_WARN([Cannot find libraries for IDN support: IDN disabled])
2715 CPPFLAGS="$clean_CPPFLAGS"
2716 LDFLAGS="$clean_LDFLAGS"
2722 dnl Let's hope this split URL remains working:
2723 dnl http://publibn.boulder.ibm.com/doc_link/en_US/a_doc_lib/aixprggd/ \
2724 dnl genprogc/thread_quick_ref.htm
2727 dnl **********************************************************************
2728 dnl Check for nghttp2
2729 dnl **********************************************************************
2731 AC_MSG_CHECKING([whether to build with nghttp2])
2733 AC_ARG_WITH(nghttp2,
2734 AC_HELP_STRING([--with-nghttp2=PATH],[Enable nghttp2 usage])
2735 AC_HELP_STRING([--without-nghttp2],[Disable nghttp2 usage]),
2739 dnl --without-nghttp2 option used
2744 dnl configure option not specified
2749 dnl --with-nghttp2 option used without path
2752 AC_MSG_RESULT([yes])
2755 dnl --with-nghttp2 option used with path
2757 want_h2_path="$withval/lib/pkgconfig"
2758 AC_MSG_RESULT([yes ($withval)])
2762 curl_h2_msg="disabled (--with-nghttp2)"
2763 if test X"$want_h2" != Xno; then
2764 dnl backup the pre-nghttp2 variables
2765 CLEANLDFLAGS="$LDFLAGS"
2766 CLEANCPPFLAGS="$CPPFLAGS"
2769 CURL_CHECK_PKGCONFIG(libnghttp2, $want_h2_path)
2771 if test "$PKGCONFIG" != "no" ; then
2772 LIB_H2=`CURL_EXPORT_PCDIR([$want_h2_path])
2773 $PKGCONFIG --libs-only-l libnghttp2`
2774 AC_MSG_NOTICE([-l is $LIB_H2])
2776 CPP_H2=`CURL_EXPORT_PCDIR([$want_h2_path]) dnl
2777 $PKGCONFIG --cflags-only-I libnghttp2`
2778 AC_MSG_NOTICE([-I is $CPP_H2])
2780 LD_H2=`CURL_EXPORT_PCDIR([$want_h2_path])
2781 $PKGCONFIG --libs-only-L libnghttp2`
2782 AC_MSG_NOTICE([-L is $LD_H2])
2785 dnl To avoid link errors, we do not allow --libnghttp2 without
2786 dnl a pkgconfig file
2787 AC_MSG_ERROR([--with-nghttp2 was specified but could not find libnghttp2 pkg-config file.])
2790 LDFLAGS="$LDFLAGS $LD_H2"
2791 CPPFLAGS="$CPPFLAGS $CPP_H2"
2792 LIBS="$LIB_H2 $LIBS"
2794 AC_CHECK_LIB(nghttp2, nghttp2_session_client_new,
2796 AC_CHECK_HEADERS(nghttp2/nghttp2.h,
2797 curl_h2_msg="enabled (nghttp2)"
2799 AC_DEFINE(USE_NGHTTP2, 1, [if nghttp2 is in use])
2800 AC_SUBST(USE_NGHTTP2, [1])
2803 dnl not found, revert back to clean variables
2804 LDFLAGS=$CLEANLDFLAGS
2805 CPPFLAGS=$CLEANCPPFLAGS
2811 dnl **********************************************************************
2812 dnl Back to "normal" configuring
2813 dnl **********************************************************************
2815 dnl Checks for header files.
2818 CURL_CHECK_HEADER_MALLOC
2819 CURL_CHECK_HEADER_MEMORY
2821 dnl Now check for the very most basic headers. Then we can use these
2822 dnl ones as default-headers when checking for the rest!
2865 dnl to do if not found
2869 dnl default includes
2871 #ifdef HAVE_SYS_TYPES_H
2872 #include <sys/types.h>
2874 #ifdef HAVE_SYS_TIME_H
2875 #include <sys/time.h>
2877 #ifdef HAVE_SYS_SELECT_H
2878 #include <sys/select.h>
2880 #ifdef HAVE_SYS_SOCKET_H
2881 #include <sys/socket.h>
2883 #ifdef HAVE_NETINET_IN_H
2884 #include <netinet/in.h>
2886 #ifdef HAVE_SYS_UN_H
2892 dnl Checks for typedefs, structures, and compiler characteristics.
2894 CURL_CHECK_VARIADIC_MACROS
2897 CURL_CHECK_STRUCT_TIMEVAL
2898 CURL_VERIFY_RUNTIMELIBS
2900 AC_CHECK_SIZEOF(size_t)
2901 AC_CHECK_SIZEOF(long)
2902 AC_CHECK_SIZEOF(int)
2903 AC_CHECK_SIZEOF(short)
2905 AC_CHECK_SIZEOF(time_t)
2906 AC_CHECK_SIZEOF(off_t)
2909 if test x"$ac_cv_native_windows" != "xyes" &&
2910 test $ac_cv_sizeof_off_t -ne $curl_sizeof_curl_off_t; then
2911 AC_MSG_WARN([This libcurl built is probably not ABI compatible with previous])
2912 AC_MSG_WARN([builds! You MUST read lib/README.curl_off_t to figure it out.])
2917 AC_CHECK_TYPE(long long,
2918 [AC_DEFINE(HAVE_LONGLONG, 1,
2919 [Define to 1 if the compiler supports the 'long long' data type.])]
2923 if test "xyes" = "x$longlong"; then
2924 AC_MSG_CHECKING([if numberLL works])
2928 long long val = 1000LL;
2931 AC_MSG_RESULT([yes])
2932 AC_DEFINE(HAVE_LL, 1, [if your compiler supports LL])
2940 AC_CHECK_TYPE(ssize_t, ,
2941 AC_DEFINE(ssize_t, int, [the signed version of size_t]))
2943 # check for bool type
2944 AC_CHECK_TYPE([bool],[
2945 AC_DEFINE(HAVE_BOOL_T, 1,
2946 [Define to 1 if bool is an available type.])
2948 #ifdef HAVE_SYS_TYPES_H
2949 #include <sys/types.h>
2951 #ifdef HAVE_STDBOOL_H
2952 #include <stdbool.h>
2956 CURL_CONFIGURE_CURL_SOCKLEN_T
2958 CURL_CONFIGURE_PULL_SYS_POLL
2962 TYPE_SOCKADDR_STORAGE
2968 CURL_CHECK_FUNC_SELECT
2970 CURL_CHECK_FUNC_RECV
2971 CURL_CHECK_FUNC_SEND
2972 CURL_CHECK_MSG_NOSIGNAL
2974 CURL_CHECK_FUNC_ALARM
2975 CURL_CHECK_FUNC_BASENAME
2976 CURL_CHECK_FUNC_CLOSESOCKET
2977 CURL_CHECK_FUNC_CLOSESOCKET_CAMEL
2978 CURL_CHECK_FUNC_CONNECT
2979 CURL_CHECK_FUNC_FCNTL
2980 CURL_CHECK_FUNC_FDOPEN
2981 CURL_CHECK_FUNC_FREEADDRINFO
2982 CURL_CHECK_FUNC_FREEIFADDRS
2983 CURL_CHECK_FUNC_FSETXATTR
2984 CURL_CHECK_FUNC_FTRUNCATE
2985 CURL_CHECK_FUNC_GETADDRINFO
2986 CURL_CHECK_FUNC_GAI_STRERROR
2987 CURL_CHECK_FUNC_GETHOSTBYADDR
2988 CURL_CHECK_FUNC_GETHOSTBYADDR_R
2989 CURL_CHECK_FUNC_GETHOSTBYNAME
2990 CURL_CHECK_FUNC_GETHOSTBYNAME_R
2991 CURL_CHECK_FUNC_GETHOSTNAME
2992 CURL_CHECK_FUNC_GETIFADDRS
2993 CURL_CHECK_FUNC_GETSERVBYPORT_R
2994 CURL_CHECK_FUNC_GMTIME_R
2995 CURL_CHECK_FUNC_INET_NTOA_R
2996 CURL_CHECK_FUNC_INET_NTOP
2997 CURL_CHECK_FUNC_INET_PTON
2998 CURL_CHECK_FUNC_IOCTL
2999 CURL_CHECK_FUNC_IOCTLSOCKET
3000 CURL_CHECK_FUNC_IOCTLSOCKET_CAMEL
3001 CURL_CHECK_FUNC_LOCALTIME_R
3002 CURL_CHECK_FUNC_MEMRCHR
3003 CURL_CHECK_FUNC_POLL
3004 CURL_CHECK_FUNC_SETSOCKOPT
3005 CURL_CHECK_FUNC_SIGACTION
3006 CURL_CHECK_FUNC_SIGINTERRUPT
3007 CURL_CHECK_FUNC_SIGNAL
3008 CURL_CHECK_FUNC_SIGSETJMP
3009 CURL_CHECK_FUNC_SOCKET
3010 CURL_CHECK_FUNC_SOCKETPAIR
3011 CURL_CHECK_FUNC_STRCASECMP
3012 CURL_CHECK_FUNC_STRCMPI
3013 CURL_CHECK_FUNC_STRDUP
3014 CURL_CHECK_FUNC_STRERROR_R
3015 CURL_CHECK_FUNC_STRICMP
3016 CURL_CHECK_FUNC_STRNCASECMP
3017 CURL_CHECK_FUNC_STRNCMPI
3018 CURL_CHECK_FUNC_STRNICMP
3019 CURL_CHECK_FUNC_STRSTR
3020 CURL_CHECK_FUNC_STRTOK_R
3021 CURL_CHECK_FUNC_STRTOLL
3022 CURL_CHECK_FUNC_WRITEV
3028 AC_MSG_NOTICE([skip check for pipe on msdosdjgpp])
3032 AC_CHECK_FUNCS([fork \
3051 eval skipcheck=\$skipcheck_$func
3052 if test "x$skipcheck" != "xyes"; then
3053 AC_MSG_CHECKING([deeper for $func])
3060 AC_MSG_RESULT([yes])
3061 eval "ac_cv_func_$func=yes"
3062 AC_DEFINE_UNQUOTED(XC_SH_TR_CPP([HAVE_$func]), [1],
3063 [Define to 1 if you have the $func function.])
3065 AC_MSG_RESULT([but still no])
3070 dnl Check if the getnameinfo function is available
3071 dnl and get the types of five of its arguments.
3072 CURL_CHECK_FUNC_GETNAMEINFO
3074 if test "$ipv6" = "yes"; then
3075 if test "$ac_cv_func_getaddrinfo" = "yes"; then
3076 AC_DEFINE(ENABLE_IPV6, 1, [Define if you want to enable IPv6 support])
3078 AC_SUBST(IPV6_ENABLED)
3080 CURL_CHECK_NI_WITHSCOPEID
3083 CURL_CHECK_NONBLOCKING_SOCKET
3085 dnl ************************************************************
3086 dnl nroff tool stuff
3089 AC_PATH_PROG( PERL, perl, ,
3090 $PATH:/usr/local/bin/perl:/usr/bin/:/usr/local/bin )
3093 AC_PATH_PROGS( NROFF, gnroff nroff, ,
3094 $PATH:/usr/bin/:/usr/local/bin )
3097 if test -n "$NROFF"; then
3098 dnl only check for nroff options if an nroff command was found
3100 AC_MSG_CHECKING([how to use *nroff to get plain text from man pages])
3102 mancheck=`echo foo | $NROFF $MANOPT 2>/dev/null`
3103 if test -z "$mancheck"; then
3105 mancheck=`echo foo | $NROFF $MANOPT 2>/dev/null`
3106 if test -z "$mancheck"; then
3108 AC_MSG_RESULT([failed])
3109 AC_MSG_WARN([found no *nroff option to get plaintext from man pages])
3111 AC_MSG_RESULT([$MANOPT])
3114 AC_MSG_RESULT([$MANOPT])
3119 if test -z "$MANOPT"
3121 dnl if no nroff tool was found, or no option that could convert man pages
3122 dnl was found, then disable the built-in manual stuff
3123 AC_MSG_WARN([disabling built-in manual])
3127 dnl *************************************************************************
3128 dnl If the manual variable still is set, then we go with providing a built-in
3131 if test "$USE_MANUAL" = "1"; then
3132 AC_DEFINE(USE_MANUAL, 1, [If you want to build curl with the built-in manual])
3133 curl_manual_msg="enabled"
3136 dnl set variable for use in automakefile(s)
3137 AM_CONDITIONAL(USE_MANUAL, test x"$USE_MANUAL" = x1)
3140 AM_CONDITIONAL(USE_EMBEDDED_ARES, test x$embedded_ares = xyes)
3142 if test "x$ac_cv_native_windows" != "xyes" &&
3143 test "x$enable_shared" = "xyes"; then
3144 build_libhostname=yes
3146 build_libhostname=no
3148 AM_CONDITIONAL(BUILD_LIBHOSTNAME, test x$build_libhostname = xyes)
3150 CURL_CHECK_OPTION_THREADED_RESOLVER
3152 if test "x$want_thres" = xyes && test "x$want_ares" = xyes; then
3154 [Options --enable-threaded-resolver and --enable-ares are mutually exclusive])
3157 if test "$want_thres" = "yes"; then
3158 AC_CHECK_HEADER(pthread.h,
3159 [ AC_DEFINE(HAVE_PTHREAD_H, 1, [if you have <pthread.h>])
3160 save_CFLAGS="$CFLAGS"
3162 dnl first check for function without lib
3163 AC_CHECK_FUNC(pthread_create, [USE_THREADS_POSIX=1] )
3165 dnl if it wasn't found without lib, search for it in pthread lib
3166 if test "$USE_THREADS_POSIX" != "1"
3168 CFLAGS="$CFLAGS -pthread"
3169 AC_CHECK_LIB(pthread, pthread_create,
3170 [USE_THREADS_POSIX=1],
3171 [ CFLAGS="$save_CFLAGS"])
3174 if test "x$USE_THREADS_POSIX" = "x1"
3176 AC_DEFINE(USE_THREADS_POSIX, 1, [if you want POSIX threaded DNS lookup])
3177 curl_res_msg="POSIX threaded"
3184 dnl ************************************************************
3185 dnl disable verbose text strings
3187 AC_MSG_CHECKING([whether to enable verbose strings])
3188 AC_ARG_ENABLE(verbose,
3189 AC_HELP_STRING([--enable-verbose],[Enable verbose strings])
3190 AC_HELP_STRING([--disable-verbose],[Disable verbose strings]),
3191 [ case "$enableval" in
3194 AC_DEFINE(CURL_DISABLE_VERBOSE_STRINGS, 1, [to disable verbose strings])
3195 curl_verbose_msg="no"
3197 *) AC_MSG_RESULT(yes)
3203 dnl ************************************************************
3204 dnl enable SSPI support
3206 AC_MSG_CHECKING([whether to enable SSPI support (Windows native builds only)])
3208 AC_HELP_STRING([--enable-sspi],[Enable SSPI])
3209 AC_HELP_STRING([--disable-sspi],[Disable SSPI]),
3210 [ case "$enableval" in
3212 if test "$ac_cv_native_windows" = "yes"; then
3214 AC_DEFINE(USE_WINDOWS_SSPI, 1, [to enable SSPI support])
3215 AC_SUBST(USE_WINDOWS_SSPI, [1])
3216 curl_sspi_msg="enabled"
3219 AC_MSG_WARN([--enable-sspi Ignored. Only supported on native Windows builds.])
3223 if test "x$WINSSL_ENABLED" = "x1"; then
3224 # --with-winssl implies --enable-sspi
3231 if test "x$WINSSL_ENABLED" = "x1"; then
3232 # --with-winssl implies --enable-sspi
3239 dnl ************************************************************
3240 dnl disable cryptographic authentication
3242 AC_MSG_CHECKING([whether to enable cryptographic authentication methods])
3243 AC_ARG_ENABLE(crypto-auth,
3244 AC_HELP_STRING([--enable-crypto-auth],[Enable cryptographic authentication])
3245 AC_HELP_STRING([--disable-crypto-auth],[Disable cryptographic authentication]),
3246 [ case "$enableval" in
3249 AC_DEFINE(CURL_DISABLE_CRYPTO_AUTH, 1, [to disable cryptographic authentication])
3250 CURL_DISABLE_CRYPTO_AUTH=1
3252 *) AC_MSG_RESULT(yes)
3258 CURL_CHECK_OPTION_NTLM_WB
3262 dnl ************************************************************
3263 dnl disable TLS-SRP authentication
3265 AC_MSG_CHECKING([whether to enable TLS-SRP authentication])
3266 AC_ARG_ENABLE(tls-srp,
3267 AC_HELP_STRING([--enable-tls-srp],[Enable TLS-SRP authentication])
3268 AC_HELP_STRING([--disable-tls-srp],[Disable TLS-SRP authentication]),
3269 [ case "$enableval" in
3272 AC_DEFINE(CURL_DISABLE_TLS_SRP, 1, [to disable TLS-SRP authentication])
3275 *) AC_MSG_RESULT(yes)
3283 if test "$want_tls_srp" = "yes" && ( test "x$HAVE_GNUTLS_SRP" = "x1" || test "x$HAVE_SSLEAY_SRP" = "x1") ; then
3284 AC_DEFINE(USE_TLS_SRP, 1, [Use TLS-SRP authentication])
3286 curl_tls_srp_msg="enabled"
3289 dnl ************************************************************
3290 dnl disable cookies support
3292 AC_MSG_CHECKING([whether to enable support for cookies])
3293 AC_ARG_ENABLE(cookies,
3294 AC_HELP_STRING([--enable-cookies],[Enable cookies support])
3295 AC_HELP_STRING([--disable-cookies],[Disable cookies support]),
3296 [ case "$enableval" in
3299 AC_DEFINE(CURL_DISABLE_COOKIES, 1, [to disable cookies support])
3301 *) AC_MSG_RESULT(yes)
3307 dnl ************************************************************
3308 dnl hiding of library internal symbols
3310 CURL_CONFIGURE_SYMBOL_HIDING
3312 dnl ************************************************************
3313 dnl enforce SONAME bump
3316 AC_MSG_CHECKING([whether to enforce SONAME bump])
3317 AC_ARG_ENABLE(soname-bump,
3318 AC_HELP_STRING([--enable-soname-bump],[Enable enforced SONAME bump])
3319 AC_HELP_STRING([--disable-soname-bump],[Disable enforced SONAME bump]),
3320 [ case "$enableval" in
3321 yes) AC_MSG_RESULT(yes)
3328 AC_MSG_RESULT($soname_bump)
3330 AM_CONDITIONAL(SONAME_BUMP, test x$soname_bump = xyes)
3333 dnl All the library dependencies put into $LIB apply to libcurl only.
3337 AC_SUBST(LIBCURL_LIBS)
3338 AC_SUBST(CURL_NETWORK_LIBS)
3339 AC_SUBST(CURL_NETWORK_AND_TIME_LIBS)
3341 dnl BLANK_AT_MAKETIME may be used in our Makefile.am files to blank
3342 dnl LIBS variable used in generated makefile at makefile processing
3343 dnl time. Doing this functionally prevents LIBS from being used for
3344 dnl all link targets in given makefile.
3346 AC_SUBST(BLANK_AT_MAKETIME)
3348 AM_CONDITIONAL(CROSSCOMPILING, test x$cross_compiling = xyes)
3351 ENABLE_SHARED="$enable_shared"
3352 AC_SUBST(ENABLE_SHARED)
3354 dnl to let curl-config output the static libraries correctly
3355 ENABLE_STATIC="$enable_static"
3356 AC_SUBST(ENABLE_STATIC)
3360 dnl For keeping supported features and protocols also in pkg-config file
3361 dnl since it is more cross-compile friendly than curl-config
3364 if test "x$USE_SSLEAY" = "x1"; then
3365 SUPPORT_FEATURES="$SUPPORT_FEATURES SSL"
3366 elif test -n "$SSL_ENABLED"; then
3367 SUPPORT_FEATURES="$SUPPORT_FEATURES SSL"
3369 if test "x$IPV6_ENABLED" = "x1"; then
3370 SUPPORT_FEATURES="$SUPPORT_FEATURES IPv6"
3372 if test "x$HAVE_LIBZ" = "x1"; then
3373 SUPPORT_FEATURES="$SUPPORT_FEATURES libz"
3375 if test "x$USE_ARES" = "x1" -o "x$USE_THREADS_POSIX" = "x1"; then
3376 SUPPORT_FEATURES="$SUPPORT_FEATURES AsynchDNS"
3378 if test "x$IDN_ENABLED" = "x1"; then
3379 SUPPORT_FEATURES="$SUPPORT_FEATURES IDN"
3381 if test "x$USE_WINDOWS_SSPI" = "x1"; then
3382 SUPPORT_FEATURES="$SUPPORT_FEATURES SSPI"
3384 if test "x$CURL_DISABLE_HTTP" != "x1" -a \
3385 "x$CURL_DISABLE_CRYPTO_AUTH" != "x1"; then
3386 if test "x$USE_SSLEAY" = "x1" -o "x$USE_WINDOWS_SSPI" = "x1" \
3387 -o "x$GNUTLS_ENABLED" = "x1" -o "x$NSS_ENABLED" = "x1" \
3388 -o "x$DARWINSSL_ENABLED" = "x1"; then
3389 SUPPORT_FEATURES="$SUPPORT_FEATURES NTLM"
3390 if test "x$NTLM_WB_ENABLED" = "x1"; then
3391 SUPPORT_FEATURES="$SUPPORT_FEATURES NTLM_WB"
3395 if test "x$USE_TLS_SRP" = "x1"; then
3396 SUPPORT_FEATURES="$SUPPORT_FEATURES TLS-SRP"
3399 if test "x$USE_NGHTTP2" = "x1"; then
3400 SUPPORT_FEATURES="$SUPPORT_FEATURES HTTP2"
3403 AC_SUBST(SUPPORT_FEATURES)
3405 dnl For supported protocols in pkg-config file
3406 if test "x$CURL_DISABLE_HTTP" != "x1"; then
3407 SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS HTTP"
3408 if test "x$SSL_ENABLED" = "x1"; then
3409 SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS HTTPS"
3412 if test "x$CURL_DISABLE_FTP" != "x1"; then
3413 SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS FTP"
3414 if test "x$SSL_ENABLED" = "x1"; then
3415 SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS FTPS"
3418 if test "x$CURL_DISABLE_FILE" != "x1"; then
3419 SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS FILE"
3421 if test "x$CURL_DISABLE_TELNET" != "x1"; then
3422 SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS TELNET"
3424 if test "x$CURL_DISABLE_LDAP" != "x1"; then
3425 SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS LDAP"
3426 if test "x$CURL_DISABLE_LDAPS" != "x1"; then
3427 if (test "x$USE_OPENLDAP" = "x1" && test "x$SSL_ENABLED" = "x1") ||
3428 (test "x$USE_OPENLDAP" != "x1" && test "x$HAVE_LDAP_SSL" = "x1"); then
3429 SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS LDAPS"
3433 if test "x$CURL_DISABLE_DICT" != "x1"; then
3434 SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS DICT"
3436 if test "x$CURL_DISABLE_TFTP" != "x1"; then
3437 SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS TFTP"
3439 if test "x$CURL_DISABLE_GOPHER" != "x1"; then
3440 SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS GOPHER"
3442 if test "x$CURL_DISABLE_POP3" != "x1"; then
3443 SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS POP3"
3444 if test "x$SSL_ENABLED" = "x1"; then
3445 SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS POP3S"
3448 if test "x$CURL_DISABLE_IMAP" != "x1"; then
3449 SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS IMAP"
3450 if test "x$SSL_ENABLED" = "x1"; then
3451 SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS IMAPS"
3454 if test "x$CURL_DISABLE_SMTP" != "x1"; then
3455 SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS SMTP"
3456 if test "x$SSL_ENABLED" = "x1"; then
3457 SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS SMTPS"
3460 if test "x$USE_LIBSSH2" = "x1"; then
3461 SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS SCP"
3462 SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS SFTP"
3464 if test "x$CURL_DISABLE_RTSP" != "x1"; then
3465 SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS RTSP"
3467 if test "x$USE_LIBRTMP" = "x1"; then
3468 SUPPORT_PROTOCOLS="$SUPPORT_PROTOCOLS RTMP"
3471 dnl replace spaces with newlines
3473 dnl replace the newlines back to spaces
3474 SUPPORT_PROTOCOLS=`echo $SUPPORT_PROTOCOLS | tr ' ' '\012' | sort | tr '\012' ' '`
3476 AC_SUBST(SUPPORT_PROTOCOLS)
3478 dnl squeeze whitespace out of some variables
3486 squeeze LIBCURL_LIBS
3487 squeeze CURL_NETWORK_LIBS
3488 squeeze CURL_NETWORK_AND_TIME_LIBS
3490 squeeze SUPPORT_FEATURES
3491 squeeze SUPPORT_PROTOCOLS
3493 XC_CHECK_BUILD_FLAGS
3495 if test "x$want_curldebug_assumed" = "xyes" &&
3496 test "x$want_curldebug" = "xyes" && test "x$USE_ARES" = "x1"; then
3497 ac_configure_args="$ac_configure_args --enable-curldebug"
3500 AC_CONFIG_FILES([Makefile \
3502 docs/examples/Makefile \
3503 docs/libcurl/Makefile \
3505 include/curl/Makefile \
3510 tests/certs/Makefile \
3511 tests/certs/scripts/Makefile \
3512 tests/data/Makefile \
3513 tests/server/Makefile \
3514 tests/libtest/Makefile \
3515 tests/unit/Makefile \
3517 packages/Win32/Makefile \
3518 packages/Win32/cygwin/Makefile \
3519 packages/Linux/Makefile \
3520 packages/Linux/RPM/Makefile \
3521 packages/Linux/RPM/curl.spec \
3522 packages/Linux/RPM/curl-ssl.spec \
3523 packages/Solaris/Makefile \
3524 packages/EPM/curl.list \
3525 packages/EPM/Makefile \
3526 packages/vms/Makefile \
3527 packages/AIX/Makefile \
3528 packages/AIX/RPM/Makefile \
3529 packages/AIX/RPM/curl.spec \
3535 CURL_GENERATE_CONFIGUREHELP_PM
3537 XC_AMEND_DISTCLEAN([lib src tests/unit tests/server tests/libtest docs/examples])
3539 AC_MSG_NOTICE([Configured to build curl/libcurl:
3541 curl version: ${CURLVERSION}
3543 Install prefix: ${prefix}
3545 SSL support: ${curl_ssl_msg}
3546 SSH support: ${curl_ssh_msg}
3547 zlib support: ${curl_zlib_msg}
3548 GSS-API support: ${curl_gss_msg}
3549 SPNEGO support: ${curl_spnego_msg}
3550 TLS-SRP support: ${curl_tls_srp_msg}
3551 resolver: ${curl_res_msg}
3552 ipv6 support: ${curl_ipv6_msg}
3553 IDN support: ${curl_idn_msg}
3554 Build libcurl: Shared=${enable_shared}, Static=${enable_static}
3555 Built-in manual: ${curl_manual_msg}
3556 --libcurl option: ${curl_libcurl_msg}
3557 Verbose errors: ${curl_verbose_msg}
3558 SSPI support: ${curl_sspi_msg}
3559 ca cert bundle: ${ca}
3560 ca cert path: ${capath}
3561 LDAP support: ${curl_ldap_msg}
3562 LDAPS support: ${curl_ldaps_msg}
3563 RTSP support: ${curl_rtsp_msg}
3564 RTMP support: ${curl_rtmp_msg}
3565 metalink support: ${curl_mtlnk_msg}
3566 HTTP2 support: ${curl_h2_msg}
3567 Protocols: ${SUPPORT_PROTOCOLS}
3570 if test "x$soname_bump" = "xyes"; then
3573 SONAME bump: yes - WARNING: this library will be built with the SONAME
3574 number bumped due to (a detected) ABI breakage.
3575 See lib/README.curl_off_t for details on this.