1 dnl Process this file with autoconf to produce a configure script.
3 dnl Written by and Copyright (C) 2001-2021 the
4 dnl Privoxy team. https://www.privoxy.org/
6 dnl Based on the Internet Junkbuster originally written
7 dnl by and Copyright (C) 1997 Anonymous Coders and
8 dnl Junkbusters Corporation. http://www.junkbusters.com
10 dnl This program is free software; you can redistribute it
11 dnl and/or modify it under the terms of the GNU General
12 dnl Public License as published by the Free Software
13 dnl Foundation; either version 2 of the License, or (at
14 dnl your option) any later version.
16 dnl This program is distributed in the hope that it will
17 dnl be useful, but WITHOUT ANY WARRANTY; without even the
18 dnl implied warranty of MERCHANTABILITY or FITNESS FOR A
19 dnl PARTICULAR PURPOSE. See the GNU General Public
20 dnl License for more details.
22 dnl The GNU General Public License should be included with
23 dnl this file. If not, you can view it at
24 dnl http://www.gnu.org/copyleft/gpl.html
25 dnl or write to the Free Software Foundation, Inc., 59
26 dnl Temple Place - Suite 330, Boston, MA 02111-1307, USA.
29 dnl =================================================================
30 dnl AutoConf Initialization
31 dnl =================================================================
33 AC_REVISION($Revision: 1.213 $)
36 if test ! -f config.h.in; then
37 echo "You need to run autoheader first. "
38 echo -n "Shall I do this for you now? (y/n) "
40 if test "$answer" != "y"; then
47 AC_CONFIG_HEADER([config.h])
52 AC_ARG_WITH(docbook, dnl
53 --with-docbook=[[yes|no|directory]]
54 Enable docbook documentation creation
55 (default = yes, for gnu and linux),[dnl
56 case "$with_docbook" in
66 AC_ARG_WITH(db2html, dnl
67 --with-db2html=<path/executable>
68 Set the location of the docbook to html converter
69 (default = search),[dnl
73 dnl =================================================================
74 dnl Application version number
75 dnl =================================================================
76 dnl CODE_STATUS can be "alpha", "beta", "stable" or "UNRELEASED",
77 dnl and will be used for CGI output. Increment version number and
78 dnl set status to "UNRELEASED" whenever git differs from the last
79 dnl release and no new release is near.
84 CODE_STATUS="UNRELEASED"
86 dnl Timestamp (date +%s) used by the mtree-spec target.
87 dnl Should be updated before releases but forgetting it isn't critical.
88 SOURCE_DATE_EPOCH=1613992573
90 dnl =================================================================
91 dnl Substitute the version numbers
92 dnl =================================================================
94 AC_SUBST(VERSION_MAJOR)
95 AC_SUBST(VERSION_MINOR)
96 AC_SUBST(VERSION_POINT)
98 AC_SUBST(SOURCE_DATE_EPOCH)
101 AC_DEFINE_UNQUOTED(VERSION_MAJOR,${VERSION_MAJOR})
102 AC_DEFINE_UNQUOTED(VERSION_MINOR,${VERSION_MINOR})
103 AC_DEFINE_UNQUOTED(VERSION_POINT,${VERSION_POINT})
104 AC_DEFINE_UNQUOTED(VERSION,"${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_POINT}")
105 AC_DEFINE_UNQUOTED(CODE_STATUS,"${CODE_STATUS}")
107 dnl =================================================================
108 dnl Checks for programs needed to build.
109 dnl =================================================================
111 dnl Keep AC_PROG_CC from setting its own defaults:
112 if test "X$CFLAGS" = "X"; then
123 AC_CHECK_PROG(GDB,gdb,yes,no)
124 AC_PATH_PROG(BGROUPS,groups,no,$PATH:/bin:/usr/bin:/usr/local/bin)
125 AC_PATH_PROG(ID,id,no,$PATH:/bin:/usr/bin:/usr/local/bin)
129 dnl =================================================================
130 dnl debug, gcc and gdb support
131 dnl =================================================================
134 [ --with-debug Enable debug mode],
136 if test "x$withval" != "xno" ; then
137 if test $ac_cv_prog_cc_g = yes; then
138 if test "$GCC" = yes; then
140 CFLAGS="$CFLAGS -ggdb"
144 CFLAGS="$CFLAGS -Wshadow -Wconversion"
152 if test "X$CFLAGS" = "X "; then # if CFLAGS were unset (see above)
153 if test "$GCC" = yes; then
160 AC_ARG_WITH(assertions, [ --with-assertions Enable assertions])
161 if test "x$with_assertions" != "xyes"; then
162 CFLAGS="$CFLAGS -DNDEBUG"
165 AC_ARG_WITH(asan, [ --with-asan Enable AddressSanitizer. Requires compiler support.])
166 if test "x$with_asan" = "xyes"; then
167 CFLAGS="$CFLAGS -fsanitize=address"
168 LDFLAGS="$LDFLAGS -fsanitize=address"
171 AC_ARG_WITH(usan, [ --with-usan Enable UndefinedBehaviorSanitizer. Requires compiler support.])
172 if test "x$with_usan" = "xyes"; then
173 CFLAGS="$CFLAGS -fsanitize=undefined"
174 LDFLAGS="$LDFLAGS -fsanitize=undefined"
177 dnl =================================================================
178 dnl Check for user and group validity
179 dnl =================================================================
182 if test "$host_os" = haiku; then
183 echo "Skipping user and group validity stuff.";
187 $ID privoxy >/dev/null 2>/dev/null
188 if test $? -ne 0 ; then
189 AC_MSG_WARN(There is no user 'privoxy' on this system)
191 AC_MSG_CHECKING([for user])
193 [ --with-user=privoxy Set user under which privoxy will run],
195 if test "x$withval" != "xyes"; then
196 if test $ID = no ; then
197 AC_MSG_ERROR(There is no 'id' program on this system)
199 AC_MSG_RESULT($with_user)
200 $ID $with_user 2>/dev/null >/dev/null
201 if test $? -eq 0 ; then
204 AC_MSG_ERROR(There is no user '$with_user' on this system)
208 AC_MSG_ERROR(We need a user if you give me this parameter)
212 if test $ID = no ; then
213 AC_MSG_ERROR(There is no 'id' programm on this system)
215 AC_MSG_RESULT(none specified)
222 AC_MSG_CHECKING([for group])
224 [ --with-group=privoxy Set group for privoxy],
226 if test "x$withval" != "xyes"; then
227 if test $BGROUPS = no ; then
228 AC_MSG_ERROR(There is no 'groups' program on this system)
230 AC_MSG_RESULT($with_group)
231 $BGROUPS $USER >/dev/null
232 if test $? -eq 0 ; then
233 for i in `$BGROUPS $USER | sed 's/.*: //' 2>/dev/null`; do
234 if test "x$i" = "x$with_group" ; then
239 if test "x$GROUP" != "x$with_group" ; then
240 AC_MSG_ERROR(The given value '$withval' does not match group entry)
243 AC_MSG_ERROR(There is no group entry for user '$USER')
247 AC_MSG_ERROR(We need a group if you give me this parameter)
251 if test $BGROUPS = no ; then
252 AC_MSG_ERROR(There is no 'groups' programm on this system)
254 AC_MSG_RESULT(none specified)
263 dnl =================================================================
264 dnl additional gcc flags
265 dnl =================================================================
268 if test "$host" != "powerpc-unknown-amigaos"; then
269 CFLAGS="-pipe $CFLAGS"
274 dnl =================================================================
276 dnl =================================================================
278 dnl Must do this first.
280 dnl Reason: This sets CFLAGS in order to switch the Cygwin compiler
281 dnl into Cygwin or MinGW32 modes. Depending on the mode selected,
282 dnl the compiler will use completely different sets of library
283 dnl and include files.
285 dnl =================================================================
290 if test "$MINGW32" = "yes"; then
293 if test "$CYGWIN" = "yes"; then
300 if test $dodk = auto; then
302 if test $target_type = unix; then
304 linux* | gnu* | *bsd*)
311 dnl Decide what to do based on target_type
312 dnl Note: PTHREAD_LIB is always set, even if pthread is disabled.
313 dnl This is because we don't know yet whether pthread is enabled.
315 AC_ARG_ENABLE(mingw32,
316 [ --enable-mingw32 Use mingw32 for a Windows GUI],
317 [if test $enableval = yes; then
321 if test $target_type = mingw; then
323 CFLAGS="$CFLAGS -DWINVER=0x501"
324 SPECIAL_CFLAGS="-mwindows"
325 dnl from the cygwin FAQ: The regular setup allows you to use the -mwindows option
326 dnl to include a set of the basic libraries user32, gdi32 and comdlg32.
327 dnl (and also make your program a GUI program instead of a console program)
328 PTHREAD_LIB=-lpthread
329 echo "Using mingw32 (Win32 GUI)"
332 if test $target_type = cygwin; then
333 SPECIAL_CFLAGS="-mno-win32"
335 echo "Using Cygnus (Win32 command line)"
338 PTHREAD_LIB=-lpthread
343 if test $dodk != no; then
344 AC_CHECK_PROGS(W3M, w3m, false)
345 if test "$W3M" = false; then
346 AC_MSG_WARN(You need w3m to build text documentation.)
348 if test $DB2HTML = false; then
349 dnl We need to clean the variable, otherwise AC_CHECK_PROGS
352 AC_CHECK_PROGS(DB2HTML,db2html docbook2html,false)
358 dnl prefer openjade to jade
359 dnl Check for jade, so we can build the documentation
360 AC_CHECK_PROGS(JADEBIN,openjade jade,false)
363 dnl Prefer OpenSP to SP
364 dnl ref: https://lists.privoxy.org/pipermail/privoxy-devel/2018-November/000293.html
365 AC_CHECK_PROGS(NSGMLS,onsgmls nsgmls,false)
368 dnl Check for man2html for docs.
369 AC_CHECK_PROGS(MAN2HTML,man2html,false)
372 dnl Set doc status flag for conditional content inclusions
373 DOC_STATUS=p-not-stable
374 if test $CODE_STATUS = stable; then
375 DOC_STATUS="p-stable"
379 dnl Checking for the docbook.dsl stylesheet file
380 dnl It is still not portable (directory slash)
382 if test $dodk = yes; then
383 if test $DKPREFIX = none; then
384 for i in /usr/share/sgml/docbook/dsssl-stylesheets \
385 /usr/share/sgml/docbkdsl /usr/share/sgml/docbook-dsssl \
386 /usr/local/share/sgml/docbook/dsssl/modular \
387 /usr/share/sgml/docbook/stylesheet/dsssl/modular/ \
389 dnl echo -n does not fly with /bin/sh.
390 dnl echo -n "checking for $i/html/docbook.dsl..."
391 AC_MSG_CHECKING([for $i])
392 if test -f $i/html/docbook.dsl; then
400 # where are the catalogs?
401 for i in /usr/share/sgml/CATALOG.docbk30 \
402 /usr/share/sgml/CATALOG.docbk31 \
403 /usr/share/sgml/CATALOG.docbk31 \
404 /usr/local/share/sgml/docbook/2.4.1/docbook.cat \
405 /usr/local/share/sgml/docbook/3.0/docbook.cat \
406 /usr/local/share/sgml/docbook/3.1/docbook.cat \
407 /usr/share/sgml/docbook/dtd/3.1/docbook.cat \
409 dnl echo -n "checking for $i..."
410 AC_MSG_CHECKING([for $i])
413 JADECAT="$JADECAT -c $i"
423 AC_ARG_ENABLE(large-file-support,
424 [ --enable-large-file-support Define _LARGE_FILES and friends.
425 Required by some systems to support files larger then 2GB.],
426 [if test $enableval = yes; then
427 CFLAGS="$CFLAGS -D_FILE_OFFSET_BITS=64 -D_LARGE_FILES -D_LARGEFILE_SOURCE=1"
430 AC_ARG_ENABLE(static-linking,
431 [ --enable-static-linking Use static linking instead of dynamic linking (ie. LDFLAGS=-static)],
432 [ if test $enableval = yes; then LDFLAGS="$LDFLAGS -static"; use_static_pcre="yes"; fi ])
434 dnl Save old CFLAGS so we can restore them later, then add SPECIAL_CFLAGS
435 old_CFLAGS_nospecial=$CFLAGS
436 CFLAGS="$CFLAGS $SPECIAL_CFLAGS"
438 # Hack to force AutoConf to use the CFLAGS we just set
439 dnl Warning: This may break with a future version of Autoconf
440 dnl Tested with autoconf 2.13
441 ac_cpp='$CPP $CPPFLAGS $SPECIAL_CFLAGS'
442 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
443 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
446 dnl =================================================================
448 dnl =================================================================
450 AC_CHECK_HEADER(pthread.h, [have_pthread=yes], [have_pthread=no])
452 AC_ARG_ENABLE(pthread,
453 [ --disable-pthread Don't use POSIX threads (pthreads)],
454 [if test $enableval = no; then
456 if test $have_pthread = yes; then
457 AC_MSG_WARN([pthreads seem to be available but you are using --disable-pthread.])
458 AC_MSG_WARN([This is almost always a mistake and can render Privoxy unacceptable slow.])
463 if test $have_pthread = yes; then
465 AC_DEFINE(FEATURE_PTHREAD)
466 echo Using POSIX threads
467 if test "$GCC" = "yes"; then
468 # Set a GCC specific switch:
469 if test "$target_type" = "unix"; then
470 ac_jgf_save_CFLAGS=$CFLAGS
471 CFLAGS="$CFLAGS -pthread"
472 AC_TRY_LINK([#include <pthread.h>],
473 [void *p = pthread_create;],
475 # This compiler switch makes GCC on Linux thread-safe
476 # However, it's not supported on most other OS.
478 SPECIAL_CFLAGS="-pthread"
480 CFLAGS=$ac_jgf_save_CFLAGS
485 echo Using native threads
488 AC_SUBST(PTHREAD_ONLY)
490 dnl =================================================================
491 dnl On most platforms select() does not support fd numbers above
492 dnl FD_SETSIZE, as a result Privoxy can't handle more than
493 dnl approximately FD_SETSIZE/2 client connections.
494 dnl On some platforms the value can be changed at compile time,
495 dnl on others it's hardcoded and requires recompilation of the OS.
496 dnl Only relevant if select() is actually being used.
497 dnl =================================================================
498 AC_ARG_WITH(fdsetsize,
499 [ --with-fdsetsize=n Optimistically redefine FD_SETSIZE with the intend to change the number of connections Privoxy can handle. Dangerous if the platform doesn't support this. Pointless if Privoxy can use poll() instead of select().],
501 if test "x$withval" != "xyes"; then
502 AC_DEFINE_UNQUOTED(FD_SETSIZE,$with_fdsetsize,[Relevant for select(). Not honoured by all OS.])
503 echo "Redefining FD_SETSIZE to $with_fdsetsize."
504 AC_MSG_WARN(On platforms that don't support FD_SETSIZE redefinition it may cause memory corruption.)
506 AC_MSG_ERROR(--with-fdsetsize used without value)
511 dnl =================================================================
512 dnl Support for thread-safe versions of gethostbyaddr, gethostbyname,
513 dnl gmtime and localtime
514 dnl =================================================================
516 dnl Next line needed to find the gethost*_r functions on Solaris
517 AC_CHECK_LIB(nsl, gethostbyname)
519 AC_CHECK_FUNC(gethostbyaddr_r, [
520 AC_MSG_CHECKING([signature of gethostbyaddr_r])
524 struct hostent *h, *hp;
527 (void) gethostbyaddr_r(a, l, t, h, b, bl, &hp, &e)
529 AC_DEFINE(HAVE_GETHOSTBYADDR_R_8_ARGS)
530 AC_MSG_RESULT([8 args])
538 (void) gethostbyaddr_r(a, l, t, h, b, bl, &e)
540 AC_DEFINE(HAVE_GETHOSTBYADDR_R_7_ARGS)
541 AC_MSG_RESULT([7 args])
546 struct hostent_data *d;
550 (void) gethostbyaddr_r(a, l, t, h, d)
552 AC_DEFINE(HAVE_GETHOSTBYADDR_R_5_ARGS)
553 AC_MSG_RESULT([5 args])
555 AC_MSG_RESULT(unrecognised)
563 AC_CHECK_FUNC(gethostbyname_r, [
564 AC_MSG_CHECKING([signature of gethostbyname_r])
568 struct hostent *h, *r;
571 (void) gethostbyname_r(n, h, b, bl, &r, &e)
573 AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARGS)
574 AC_MSG_RESULT([6 args])
582 (void) gethostbyname_r(n, h, b, bl, &e)
584 AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARGS)
585 AC_MSG_RESULT([5 args])
590 struct hostent_data *d;
593 (void) gethostbyname_r(n, h, d)
595 AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARGS)
596 AC_MSG_RESULT([3 args])
598 AC_MSG_RESULT(unrecognised)
606 AC_CHECK_FUNC(gmtime_r, [
607 AC_MSG_CHECKING([signature of gmtime_r])
613 (void) gmtime_r(t, tm)
616 AC_DEFINE(HAVE_GMTIME_R)
618 AC_MSG_RESULT(unrecognised)
624 AC_CHECK_FUNC(localtime_r, [
625 AC_MSG_CHECKING([signature of localtime_r])
631 (void) localtime_r(t, tm)
634 AC_DEFINE(HAVE_LOCALTIME_R)
636 AC_MSG_RESULT(unrecognised)
642 dnl =================================================================
644 dnl FIXME: Not tested on Solaris yet...
645 dnl ISFIXED: Have tested it on Solaris, but there are other ways to
646 dnl make these checks generic, e.g.:
647 dnl AC_CHECK_FUNC(getsockopt, , AC_CHECK_LIB(socket, getsockopt))
648 dnl (Moritz Barsnick <moritz@barsnick.net>)
649 dnl =================================================================
655 *-solaris*) SOCKET_LIB="-lsocket -lnsl"
656 AC_DEFINE(__EXTENSIONS__)
657 if test "$GCC" = "yes"; then
658 # Set a GCC specific switch:
659 # This compiler switch makes Solaris thread-safe
661 SPECIAL_CFLAGS="-pthreads"
663 # What do we do without GCC? Guess this:
664 SPECIAL_CFLAGS="-D_REENTRANT"
671 dnl =================================================================
672 dnl Solaris problem, and others perhaps (socklen_t is undefined)
673 dnl =================================================================
675 if test $target_type != mingw; then
676 # i686-w64-mingw32-gcc gets socklen_t define from ws2tcpip.h
678 AC_MSG_CHECKING([for socklen_t])
679 AC_EGREP_HEADER(socklen_t, sys/socket.h, AC_MSG_RESULT([yes]),
681 AC_DEFINE(socklen_t,int,
682 [ Define to 'int' if <sys/socket.h> doesn't have it. ]))
686 dnl =================================================================
688 dnl =================================================================
691 *-apple-darwin*) SPECIAL_CFLAGS="-Dunix"
695 dnl =================================================================
697 dnl =================================================================
700 *-openbsd*) SPECIAL_CFLAGS="$SPECIAL_CFLAGS -Dunix"
704 dnl =================================================================
706 dnl =================================================================
708 if test "$host_os" = haiku; then
709 # Omit the "-pthread" flag to gcc, even when building with gcc 2.95
712 # Haiku's pthreads implementation exists in its system library,
713 # libroot, not in a separate pthreads library
716 # Networking code exists in libnetwork
719 # Search Haiku's common-library folder to find its pcre and
720 # pcreposix libraries
721 LIBS="-L/boot/common/lib $LIBS"
724 dnl =================================================================
725 dnl Check for standard compiler stuff
726 dnl =================================================================
737 AC_CHECK_SIZEOF(int, 4)
738 AC_CHECK_SIZEOF(char *, 4)
739 AC_CHECK_SIZEOF(long, 4)
740 AC_CHECK_SIZEOF(long long, 8)
741 AC_CHECK_SIZEOF(size_t, 4)
742 AC_CHECK_SIZEOF(time_t, 8)
744 dnl Checks for header files.
765 dnl Checks for library functions.
766 AC_PROG_GCC_TRADITIONAL
805 dnl Checks for RFC 2553 resolver and socket functions
806 AC_ARG_ENABLE(ipv6-support,
807 [ --disable-ipv6-support Disable IPv6 support and other RFC-2554-related improvements],
808 [if test $enableval = yes; then
809 enable_ipv6_support=yes
810 fi], enable_ipv6_support=yes)
812 if test $enable_ipv6_support != yes; then
813 AC_MSG_WARN([Skipping checks for IPv6 support and other RFC-2554-related improvements.
814 Due to lock contention, this may result in slower DNS resolution for IPv4 setups, too.])
815 elif test $target_type = mingw; then
816 AC_CHECK_LIB(ws2_32, main)
818 AC_MSG_CHECKING(getaddrinfo in ws2_32)
825 [getaddrinfo(0,0,0,0)],
826 have_ws2_32_getaddrinfo=yes
828 AC_MSG_RESULT($have_ws2_32_getaddrinfo)
830 AC_MSG_CHECKING(getnameinfo in ws2_32)
837 [getnameinfo(0,0,0,0,0,0,0)],
838 have_ws2_32_getnameinfo=yes
840 AC_MSG_RESULT($have_ws2_32_getnameinfo)
842 if test $have_ws2_32_getaddrinfo ; then
843 if test $have_ws2_32_getnameinfo ; then
844 AC_DEFINE([HAVE_RFC2553], [1],
845 [Define if RFC 2553 resolver functions like getaddrinfo(3) and
846 getnameinfo(3) present])
850 AC_CHECK_FUNC([getaddrinfo],
851 [AC_CHECK_FUNC([getnameinfo],
852 [AC_DEFINE([HAVE_RFC2553], [1],
853 [Define if RFC 2553 resolver functions like getaddrinfo(3) and
854 getnameinfo(3) present])
859 dnl =================================================================
860 dnl Checks for libraries.
861 dnl =================================================================
862 dnl Note: Some systems may have the library but not the system header
863 dnl file, so we must check for both.
864 dnl Also check for correct version
865 AC_CHECK_LIB(pcre, pcre_compile, [
866 AC_CHECK_HEADER(pcre.h, [
867 AC_EGREP_HEADER(pcre_fullinfo, pcre.h, [have_pcre=yes], [AC_MSG_WARN([[pcre old version installed]]); have_pcre=no])
869 AC_CHECK_HEADER(pcre/pcre.h, [
870 AC_EGREP_HEADER(pcre_fullinfo, pcre/pcre.h, [have_pcre=yes]; [AC_DEFINE(PCRE_H_IN_SUBDIR)], [AC_MSG_WARN([[pcre old version installed]]); have_pcre=no])
875 AC_CHECK_LIB(pcreposix, regcomp, [
876 AC_CHECK_HEADER(pcreposix.h, [
877 AC_EGREP_HEADER(pcreposix_regerror, pcreposix.h, [AC_MSG_WARN([[pcreposix old version installed]]); have_pcreposix=no], [have_pcreposix=yes])
879 AC_CHECK_HEADER(pcre/pcreposix.h, [
880 AC_EGREP_HEADER(pcreposix_regerror, pcre/pcreposix.h, [AC_MSG_WARN([[pcreposix old version installed]]); have_pcreposix=no], [have_pcreposix=yes]; [AC_DEFINE(PCREPOSIX_H_IN_SUBDIR)])
881 ], [have_pcreposix=no])
883 ], [have_pcreposix=no], -lpcre)
885 dnl ================================================================
886 dnl libpcrs is temporarily disabled.
888 dnl Privoxy's own pcrs version fixes some problems that
889 dnl are present in libpcrs 0.3, the last pcrs release we
890 dnl know of, and as libpcrs seems to be currently unmaintained
891 dnl we can't send these fixes upstream.
892 dnl ================================================================
894 dnl AC_CHECK_LIB(pcrs, pcrs_compile, [AC_CHECK_HEADER(pcrs.h, [have_pcrs=yes], [have_pcrs=no])], [have_pcrs=no], -lpcre)
896 dnl =================================================================
898 dnl =================================================================
902 dnl =================================================================
904 dnl =================================================================
906 AC_ARG_ENABLE(toggle,
907 [ --disable-toggle Don't support temporary disable],
908 [if test $enableval = yes; then
909 AC_DEFINE(FEATURE_TOGGLE)
910 fi],AC_DEFINE(FEATURE_TOGGLE))
913 [ --disable-force Don't allow single-page disable],
914 [if test $enableval = yes; then
915 AC_DEFINE(FEATURE_FORCE_LOAD)
916 fi],AC_DEFINE(FEATURE_FORCE_LOAD))
918 AC_ARG_ENABLE(fast-redirects,
919 [ --disable-fast-redirects Don't support fast redirects],
920 [if test $enableval = yes; then
921 AC_DEFINE(FEATURE_FAST_REDIRECTS)
922 fi], AC_DEFINE(FEATURE_FAST_REDIRECTS))
925 [ --disable-stats Don't keep statistics],
926 [if test $enableval = yes; then
927 AC_DEFINE(FEATURE_STATISTICS)
928 fi],AC_DEFINE(FEATURE_STATISTICS))
930 AC_ARG_ENABLE(extended-statistics,
931 [ --enable-extended-statistics Gather extended statistics.],
932 [if test $enableval = yes; then
933 AC_DEFINE(FEATURE_EXTENDED_STATISTICS)
936 AC_ARG_ENABLE(image-blocking,
937 [ --disable-image-blocking Don't try to figure out whether a request is
938 for an image or HTML - assume HTML.],
939 [if test $enableval = yes; then
940 AC_DEFINE(FEATURE_IMAGE_BLOCKING)
942 AC_DEFINE(FEATURE_IMAGE_BLOCKING))
944 AC_ARG_ENABLE(acl-support,
945 [ --disable-acl-support Prevents the use of ACLs to control access to
946 Privoxy by IP address.],
947 [if test $enableval = yes; then
948 AC_DEFINE(FEATURE_ACL)
950 AC_DEFINE(FEATURE_ACL))
952 AC_ARG_ENABLE(trust-files,
953 [ --disable-trust-files Prevents the use of trust files.],
954 [if test $enableval = yes; then
955 AC_DEFINE(FEATURE_TRUST)
957 AC_DEFINE(FEATURE_TRUST))
959 AC_ARG_ENABLE(editor,
960 [ --disable-editor Prevents the use of the web-based actions file
961 editor and web-based temporary disable setting.],
962 [if test $enableval = yes; then
963 AC_DEFINE(FEATURE_CGI_EDIT_ACTIONS)
965 AC_DEFINE(FEATURE_CGI_EDIT_ACTIONS))
967 AC_ARG_ENABLE(no-gifs,
968 [ --enable-no-gifs Use politically correct PNG format instead of GIF
969 for built-in images. May not work with all browsers.],
970 [if test $enableval = yes; then
971 AC_DEFINE(FEATURE_NO_GIFS)
974 AC_ARG_ENABLE(graceful-termination,
975 [ --enable-graceful-termination Allow to shutdown Privoxy through the webinterface.],
976 [if test $enableval = yes; then
977 AC_DEFINE(FEATURE_GRACEFUL_TERMINATION)
980 AC_ARG_ENABLE(pcre-host-patterns,
981 [ --enable-pcre-host-patterns Allow to use PCRE syntax in host patterns by prefixing the pattern with
982 "PCRE-HOST-PATTERN:". You can use tools/url-pattern-translator.pl to
983 convert existing action files to use PCRE host patterns.],
984 [if test $enableval = yes; then
985 AC_DEFINE(FEATURE_PCRE_HOST_PATTERNS)
988 AC_ARG_ENABLE(pcre-jit-compilation,
989 [ --disable-pcre-jit-compilation Don't let pcrs use pcre JIT compilation even if pcre supports it.],
990 [if test $enableval != yes; then
991 AC_DEFINE(DISABLE_PCRE_JIT_COMPILATION)
994 AC_ARG_ENABLE(external-filters,
995 [ --enable-external-filters Allow to filter content with scripts and programs. Experimental.],
996 [if test $enableval = yes; then
997 AC_DEFINE(FEATURE_EXTERNAL_FILTERS,1,[Define to 1 to allow to filter content with scripts and programs.])
1000 AC_ARG_ENABLE(accept-filter,
1001 [ --enable-accept-filter Try to use accf_http(9) if supported.],
1002 [if test $enableval = yes; then
1003 AC_DEFINE(FEATURE_ACCEPT_FILTER)
1006 AC_ARG_ENABLE(strptime-sanity-checks,
1007 [ --enable-strptime-sanity-checks Only trust strptime() results if an additional strftime()/strptime()
1008 conversion doesn't change the result. Can be useful if strptime() is
1009 known or suspected to be broken.],
1010 [if test $enableval = yes; then
1011 AC_DEFINE(FEATURE_STRPTIME_SANITY_CHECKS)
1014 AC_ARG_ENABLE(client-tags,
1015 [ --disable-client-tags Disable support for client-specific tags],
1016 [ if test $enableval = "no"; then have_client_tags=no; fi ])
1017 if test "${have_client_tags}" = "no"; then
1018 echo "Disabling support for client-specific tags."
1019 FEATURE_CLIENT_TAGS_ONLY="#"
1021 echo "Enabling support for client-specific tags."
1022 AC_DEFINE(FEATURE_CLIENT_TAGS,1,[Define to enable support for client-specific tags.])
1023 FEATURE_CLIENT_TAGS_ONLY=""
1025 AC_SUBST(FEATURE_CLIENT_TAGS_ONLY)
1029 [ --enable-fuzz Enable code that makes fuzzing more convenient],
1030 [if test $enableval = yes; then
1032 AC_DEFINE(FUZZ,1,[Define to make fuzzing more convenient.])
1036 dnl pcre/pcrs is needed for CGI anyway, so
1037 dnl the choice is only between static and
1040 AC_ARG_ENABLE(dynamic-pcre,
1041 [ --disable-dynamic-pcre Use the built-in, static pcre, even if libpcre is available],
1042 [ if test $enableval = "no"; then have_pcre=no; fi ])
1044 dnl =================================================
1045 dnl libpcrs is temporarily disabled,
1046 dnl see comment above for the reason.
1047 dnl =================================================
1048 dnl AC_ARG_ENABLE(dynamic-pcrs,
1049 dnl [ --disable-dynamic-pcrs Use the built-in, static pcrs, even if libpcrs is available],
1050 dnl [ if test $enableval = "no"; then have_pcrs=no; fi ])
1053 dnl ====================================================
1054 dnl This check is incomplete. For mingw32 zlib is found
1055 dnl by configure, but not necessarily by the compiler.
1056 dnl ====================================================
1058 [ --disable-zlib Don't use zlib to decompress data before filtering.],
1059 [enableval2=$enableval],
1061 if test $enableval2 = yes; then
1062 AC_CHECK_LIB(z, zlibVersion, [have_zlib="yes"], [have_zlib="no"])
1063 if test $have_zlib = "yes"; then
1065 AC_DEFINE(FEATURE_ZLIB,1,[Define to 1 to use zlib to decompress data before filtering.])
1067 AC_MSG_WARN([No zlib found.
1068 Privoxy will not be able to filter compressed content.
1069 This may become a fatal error in the future.])
1073 AC_ARG_ENABLE(compression,
1074 [ --enable-compression Allow Privoxy to compress buffered content if the client supports it. Requires zlib support.],
1075 [enableval2=$enableval],
1077 if test $enableval2 = yes; then
1078 if test $have_zlib = "yes"; then
1079 echo Enabling compression support.
1080 AC_DEFINE(FEATURE_COMPRESSION,1,[Define to 1 to use compression through the zlib library.])
1082 AC_MSG_WARN([No zlib found. Privoxy will not be able to (re-)compressed buffered content.])
1087 # If we have libpcre and either we also have pcreposix or
1088 # we don't need pcreposix, then link pcre dynamically; else
1089 # build it and link statically
1091 if test $have_pcre = "yes"; then
1092 echo "using libpcre"
1094 LIBS="$LIBS -lpcre -lpcreposix"
1095 if test "$use_static_pcre" = "yes"; then
1097 AC_DEFINE(PCRE_STATIC,1,[Define to statically link to pcre library on Windows.])
1098 # see /usr/i686-w64-mingw32/sys-root/mingw/include/pcre.h line 54
1099 # #if defined(_WIN32) && !defined(PCRE_STATIC)
1100 # # ifndef PCRE_EXP_DECL
1101 # # define PCRE_EXP_DECL extern __declspec(dllimport)
1103 # If you want to statically link a program against a PCRE library in the form of
1104 # a non-dll .a file, you must define PCRE_STATIC before including pcre.h or
1105 # pcrecpp.h, otherwise the pcre_malloc() and pcre_free() exported functions will
1106 # be declared __declspec(dllimport), with unwanted results.
1109 AC_DEFINE(FEATURE_DYNAMIC_PCRE,1,[Define to dynamically link to pcre.])
1112 AC_MSG_ERROR(pcre library not detected.)
1115 AC_DEFINE(FEATURE_CONNECTION_KEEP_ALIVE)
1117 if test $have_pthread = "yes" -o $target_type = "mingw"; then
1118 echo Enabling connection-sharing support.
1119 AC_DEFINE(FEATURE_CONNECTION_SHARING)
1122 dnl =================================================
1123 dnl libpcrs is temporarily disabled,
1124 dnl see comment above for the reason.
1125 dnl =================================================
1126 dnl # If we have libpcrs and pcre is linked dynamically
1127 dnl # then also link pcrs dynamically, else build and link
1128 dnl # pcrs statically
1130 dnl if test $have_pcrs = "yes" -a $pcre_dyn = "yes"; then
1131 dnl echo "using libpcrs"
1132 dnl STATIC_PCRS_ONLY=#
1133 dnl LIBS="$LIBS -lpcrs"
1135 dnl echo "using built-in static pcrs"
1136 AC_DEFINE(STATIC_PCRS)
1140 AC_SUBST(STATIC_PCRE_ONLY)
1141 AC_SUBST(STATIC_PCRS_ONLY)
1143 FEATURE_HTTPS_INSPECTION_ONLY=#
1144 dnl ========================================================
1145 dnl check for mbedTLS which can be used for https inspection
1146 dnl ========================================================
1147 FEATURE_HTTPS_INSPECTION_ONLY_MBEDTLS=#
1149 AC_ARG_WITH(mbedtls,dnl
1150 AC_HELP_STRING([--with-mbedtls], [Enable mbedTLS detection for https inspection.])
1151 AC_HELP_STRING([--without-mbedtls], [Disable mbedTLS detection]),
1152 OPT_MBEDTLS=$withval)
1154 if test X"$OPT_MBEDTLS" != Xno; then
1156 AC_CHECK_LIB(mbedtls, mbedtls_ssl_init,
1158 AC_DEFINE(FEATURE_HTTPS_INSPECTION, 1, [if SSL/TLS is enabled])
1159 AC_DEFINE(FEATURE_HTTPS_INSPECTION_MBEDTLS, 1, [if mbedTLS is enabled])
1160 AC_SUBST(FEATURE_HTTPS_INSPECTION_MBEDTLS, [1])
1161 FEATURE_HTTPS_INSPECTION_MBEDTLS="yes"
1162 ], [], -lmbedx509 -lmbedcrypto)
1164 if test "x$FEATURE_HTTPS_INSPECTION_MBEDTLS" = "xyes"; then
1165 AC_MSG_NOTICE([Detected mbedTLS. Enabling https inspection.])
1167 LIBS="-lmbedtls -lmbedx509 -lmbedcrypto $LIBS"
1168 old_CFLAGS_nospecial="-Imbedtls/include $old_CFLAGS_nospecial"
1170 FEATURE_HTTPS_INSPECTION_ONLY=
1171 FEATURE_HTTPS_INSPECTION_ONLY_MBEDTLS=
1174 AC_SUBST(FEATURE_HTTPS_INSPECTION_ONLY_MBEDTLS)
1176 dnl =================================================================
1177 dnl check for OpenSSL/LibreSSL which can be used for https inspection
1178 dnl =================================================================
1179 FEATURE_HTTPS_INSPECTION_ONLY_OPENSSL=#
1181 AC_ARG_WITH(openssl,dnl
1182 AC_HELP_STRING([--with-openssl], [Enable OpenSSL/LibreSSL detection for https inspection.])
1183 AC_HELP_STRING([--without-openssl], [Disable OpenSSL/LibreSSL detection]),
1184 OPT_OPENSSL=$withval)
1186 if test X"$OPT_OPENSSL" != Xno; then
1187 if test X"$OPT_MBEDTLS" != Xno; then
1188 AC_MSG_ERROR([OpenSSL and mbedTLS support can't be enabled at the same time])
1191 if test "$PORTNAME" != "win32"; then
1192 AC_CHECK_LIB(crypto, CRYPTO_new_ex_data, [], [AC_MSG_ERROR([library 'crypto' is required for OpenSSL])])
1194 AC_CHECK_LIB(ssl, OPENSSL_init_ssl, [FOUND_SSL_LIB="yes"])
1195 AC_CHECK_LIB(ssl, SSL_library_init, [FOUND_SSL_LIB="yes"])
1196 AS_IF([test "x$FOUND_SSL_LIB" = xno], [AC_MSG_ERROR([library 'ssl' is required for OpenSSL])])
1198 AC_SEARCH_LIBS(CRYPTO_new_ex_data, eay32 crypto, [], [AC_MSG_ERROR([library 'eay32' or 'crypto' is required for OpenSSL])])
1200 AC_SEARCH_LIBS(OPENSSL_init_ssl, ssleay32 ssl, [FOUND_SSL_LIB="yes"])
1201 AC_SEARCH_LIBS(SSL_library_init, ssleay32 ssl, [FOUND_SSL_LIB="yes"])
1202 AS_IF([test "x$FOUND_SSL_LIB" = xno], [AC_MSG_ERROR([library 'ssleay32' or 'ssl' is required for OpenSSL])])
1205 if test "x$FOUND_SSL_LIB" = xyes; then
1206 AC_DEFINE(FEATURE_HTTPS_INSPECTION, 1, [if SSL/TLS is enabled])
1207 AC_DEFINE(FEATURE_HTTPS_INSPECTION_OPENSSL, 1, [if OpenSSL is enabled])
1208 AC_SUBST(FEATURE_HTTPS_INSPECTION_OPENSSL, [1])
1209 FEATURE_HTTPS_INSPECTION="yes"
1210 FEATURE_HTTPS_INSPECTION_OPENSSL="yes"
1213 if test "x$FEATURE_HTTPS_INSPECTION_OPENSSL" = "xyes"; then
1214 AC_MSG_NOTICE([Detected OpenSSL. Enabling https inspection.])
1215 AC_MSG_WARN([If you intend to redistribute Privoxy, please make sure the "special exception" from section 3 of the GPLv2 applies.])
1217 LIBS="$LIBS -lssl -lcrypto"
1218 old_CFLAGS_nospecial="$old_CFLAGS_nospecial"
1220 FEATURE_HTTPS_INSPECTION_ONLY=
1221 FEATURE_HTTPS_INSPECTION_ONLY_OPENSSL=
1224 AC_SUBST(FEATURE_HTTPS_INSPECTION_ONLY_OPENSSL)
1226 AC_SUBST(FEATURE_HTTPS_INSPECTION_ONLY)
1228 dnl ========================================================
1229 dnl Check for Brotli which can be used for decompression
1230 dnl ========================================================
1233 AC_HELP_STRING([--with-brotli], [Enable Brotli detection])
1234 AC_HELP_STRING([--without-brotli], [Disable Brotli detection]),
1235 WITH_BROTLI=$withval)
1237 if test X"$WITH_BROTLI" != Xno; then
1239 LIBS="$LIBS -lbrotlidec"
1240 if test $target_type = mingw; then
1241 # XXX: why does just the mingw build need this???
1242 LIBS="$LIBS -lbrotlicommon -lbrotlienc"
1245 AC_CHECK_LIB(brotlidec, BrotliDecoderDecompress)
1247 AC_CHECK_HEADERS(brotli/decode.h,
1249 AC_DEFINE(FEATURE_BROTLI, 1, [If Brotli is used for decompression])
1250 AC_SUBST(FEATURE_BROTLI, [1])
1255 dnl =================================================================
1256 dnl Final cleanup and output
1257 dnl =================================================================
1259 dnl Remove the SPECIAL_CFLAGS stuff from CFLAGS, and add it separately
1261 CFLAGS=$old_CFLAGS_nospecial
1262 AC_SUBST(SPECIAL_CFLAGS)
1264 AC_SUBST(PTHREAD_LIB)
1266 AC_OUTPUT(GNUmakefile doc/source/ldp.dsl)