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="$LDFLAGS -fsanitize=address"
171 dnl =================================================================
172 dnl Check for user and group validity
173 dnl =================================================================
176 if test "$host_os" = haiku; then
177 echo "Skipping user and group validity stuff.";
181 $ID privoxy >/dev/null 2>/dev/null
182 if test $? -ne 0 ; then
183 AC_MSG_WARN(There is no user 'privoxy' on this system)
185 AC_MSG_CHECKING([for user])
187 [ --with-user=privoxy Set user under which privoxy will run],
189 if test "x$withval" != "xyes"; then
190 if test $ID = no ; then
191 AC_MSG_ERROR(There is no 'id' program on this system)
193 AC_MSG_RESULT($with_user)
194 $ID $with_user 2>/dev/null >/dev/null
195 if test $? -eq 0 ; then
198 AC_MSG_ERROR(There is no user '$with_user' on this system)
202 AC_MSG_ERROR(We need a user if you give me this parameter)
206 if test $ID = no ; then
207 AC_MSG_ERROR(There is no 'id' programm on this system)
209 AC_MSG_RESULT(none specified)
216 AC_MSG_CHECKING([for group])
218 [ --with-group=privoxy Set group for privoxy],
220 if test "x$withval" != "xyes"; then
221 if test $BGROUPS = no ; then
222 AC_MSG_ERROR(There is no 'groups' program on this system)
224 AC_MSG_RESULT($with_group)
225 $BGROUPS $USER >/dev/null
226 if test $? -eq 0 ; then
227 for i in `$BGROUPS $USER | sed 's/.*: //' 2>/dev/null`; do
228 if test "x$i" = "x$with_group" ; then
233 if test "x$GROUP" != "x$with_group" ; then
234 AC_MSG_ERROR(The given value '$withval' does not match group entry)
237 AC_MSG_ERROR(There is no group entry for user '$USER')
241 AC_MSG_ERROR(We need a group if you give me this parameter)
245 if test $BGROUPS = no ; then
246 AC_MSG_ERROR(There is no 'groups' programm on this system)
248 AC_MSG_RESULT(none specified)
257 dnl =================================================================
258 dnl additional gcc flags
259 dnl =================================================================
262 if test "$host" != "powerpc-unknown-amigaos"; then
263 CFLAGS="-pipe $CFLAGS"
268 dnl =================================================================
270 dnl =================================================================
272 dnl Must do this first.
274 dnl Reason: This sets CFLAGS in order to switch the Cygwin compiler
275 dnl into Cygwin or MinGW32 modes. Depending on the mode selected,
276 dnl the compiler will use completely different sets of library
277 dnl and include files.
279 dnl =================================================================
284 if test "$MINGW32" = "yes"; then
287 if test "$CYGWIN" = "yes"; then
294 if test $dodk = auto; then
296 if test $target_type = unix; then
298 linux* | gnu* | *bsd*)
305 dnl Decide what to do based on target_type
306 dnl Note: PTHREAD_LIB is always set, even if pthread is disabled.
307 dnl This is because we don't know yet whether pthread is enabled.
309 AC_ARG_ENABLE(mingw32,
310 [ --enable-mingw32 Use mingw32 for a Windows GUI],
311 [if test $enableval = yes; then
315 if test $target_type = mingw; then
317 CFLAGS="$CFLAGS -DWINVER=0x501"
318 SPECIAL_CFLAGS="-mwindows"
319 dnl from the cygwin FAQ: The regular setup allows you to use the -mwindows option
320 dnl to include a set of the basic libraries user32, gdi32 and comdlg32.
321 dnl (and also make your program a GUI program instead of a console program)
322 PTHREAD_LIB=-lpthread
323 echo "Using mingw32 (Win32 GUI)"
326 if test $target_type = cygwin; then
327 SPECIAL_CFLAGS="-mno-win32"
329 echo "Using Cygnus (Win32 command line)"
332 PTHREAD_LIB=-lpthread
337 if test $dodk != no; then
338 AC_CHECK_PROGS(W3M, w3m, false)
339 if test "$W3M" = false; then
340 AC_MSG_WARN(You need w3m to build text documentation.)
342 if test $DB2HTML = false; then
343 dnl We need to clean the variable, otherwise AC_CHECK_PROGS
346 AC_CHECK_PROGS(DB2HTML,db2html docbook2html,false)
352 dnl prefer openjade to jade
353 dnl Check for jade, so we can build the documentation
354 AC_CHECK_PROGS(JADEBIN,openjade jade,false)
357 dnl Prefer OpenSP to SP
358 dnl ref: https://lists.privoxy.org/pipermail/privoxy-devel/2018-November/000293.html
359 AC_CHECK_PROGS(NSGMLS,onsgmls nsgmls,false)
362 dnl Check for man2html for docs.
363 AC_CHECK_PROGS(MAN2HTML,man2html,false)
366 dnl Set doc status flag for conditional content inclusions
367 DOC_STATUS=p-not-stable
368 if test $CODE_STATUS = stable; then
369 DOC_STATUS="p-stable"
373 dnl Checking for the docbook.dsl stylesheet file
374 dnl It is still not portable (directory slash)
376 if test $dodk = yes; then
377 if test $DKPREFIX = none; then
378 for i in /usr/share/sgml/docbook/dsssl-stylesheets \
379 /usr/share/sgml/docbkdsl /usr/share/sgml/docbook-dsssl \
380 /usr/local/share/sgml/docbook/dsssl/modular \
381 /usr/share/sgml/docbook/stylesheet/dsssl/modular/ \
383 dnl echo -n does not fly with /bin/sh.
384 dnl echo -n "checking for $i/html/docbook.dsl..."
385 AC_MSG_CHECKING([for $i])
386 if test -f $i/html/docbook.dsl; then
394 # where are the catalogs?
395 for i in /usr/share/sgml/CATALOG.docbk30 \
396 /usr/share/sgml/CATALOG.docbk31 \
397 /usr/share/sgml/CATALOG.docbk31 \
398 /usr/local/share/sgml/docbook/2.4.1/docbook.cat \
399 /usr/local/share/sgml/docbook/3.0/docbook.cat \
400 /usr/local/share/sgml/docbook/3.1/docbook.cat \
401 /usr/share/sgml/docbook/dtd/3.1/docbook.cat \
403 dnl echo -n "checking for $i..."
404 AC_MSG_CHECKING([for $i])
407 JADECAT="$JADECAT -c $i"
417 AC_ARG_ENABLE(large-file-support,
418 [ --enable-large-file-support Define _LARGE_FILES and friends.
419 Required by some systems to support files larger then 2GB.],
420 [if test $enableval = yes; then
421 CFLAGS="$CFLAGS -D_FILE_OFFSET_BITS=64 -D_LARGE_FILES -D_LARGEFILE_SOURCE=1"
424 AC_ARG_ENABLE(static-linking,
425 [ --enable-static-linking Use static linking instead of dynamic linking (ie. LDFLAGS=-static)],
426 [ if test $enableval = yes; then LDFLAGS="$LDFLAGS -static"; use_static_pcre="yes"; fi ])
428 dnl Save old CFLAGS so we can restore them later, then add SPECIAL_CFLAGS
429 old_CFLAGS_nospecial=$CFLAGS
430 CFLAGS="$CFLAGS $SPECIAL_CFLAGS"
432 # Hack to force AutoConf to use the CFLAGS we just set
433 dnl Warning: This may break with a future version of Autoconf
434 dnl Tested with autoconf 2.13
435 ac_cpp='$CPP $CPPFLAGS $SPECIAL_CFLAGS'
436 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
437 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
440 dnl =================================================================
442 dnl =================================================================
444 AC_CHECK_HEADER(pthread.h, [have_pthread=yes], [have_pthread=no])
446 AC_ARG_ENABLE(pthread,
447 [ --disable-pthread Don't use POSIX threads (pthreads)],
448 [if test $enableval = no; then
450 if test $have_pthread = yes; then
451 AC_MSG_WARN([pthreads seem to be available but you are using --disable-pthread.])
452 AC_MSG_WARN([This is almost always a mistake and can render Privoxy unacceptable slow.])
457 if test $have_pthread = yes; then
459 AC_DEFINE(FEATURE_PTHREAD)
460 echo Using POSIX threads
461 if test "$GCC" = "yes"; then
462 # Set a GCC specific switch:
463 if test "$target_type" = "unix"; then
464 ac_jgf_save_CFLAGS=$CFLAGS
465 CFLAGS="$CFLAGS -pthread"
466 AC_TRY_LINK([#include <pthread.h>],
467 [void *p = pthread_create;],
469 # This compiler switch makes GCC on Linux thread-safe
470 # However, it's not supported on most other OS.
472 SPECIAL_CFLAGS="-pthread"
474 CFLAGS=$ac_jgf_save_CFLAGS
479 echo Using native threads
482 AC_SUBST(PTHREAD_ONLY)
484 dnl =================================================================
485 dnl On most platforms select() does not support fd numbers above
486 dnl FD_SETSIZE, as a result Privoxy can't handle more than
487 dnl approximately FD_SETSIZE/2 client connections.
488 dnl On some platforms the value can be changed at compile time,
489 dnl on others it's hardcoded and requires recompilation of the OS.
490 dnl Only relevant if select() is actually being used.
491 dnl =================================================================
492 AC_ARG_WITH(fdsetsize,
493 [ --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().],
495 if test "x$withval" != "xyes"; then
496 AC_DEFINE_UNQUOTED(FD_SETSIZE,$with_fdsetsize,[Relevant for select(). Not honoured by all OS.])
497 echo "Redefining FD_SETSIZE to $with_fdsetsize."
498 AC_MSG_WARN(On platforms that don't support FD_SETSIZE redefinition it may cause memory corruption.)
500 AC_MSG_ERROR(--with-fdsetsize used without value)
505 dnl =================================================================
506 dnl Support for thread-safe versions of gethostbyaddr, gethostbyname,
507 dnl gmtime and localtime
508 dnl =================================================================
510 dnl Next line needed to find the gethost*_r functions on Solaris
511 AC_CHECK_LIB(nsl, gethostbyname)
513 AC_CHECK_FUNC(gethostbyaddr_r, [
514 AC_MSG_CHECKING([signature of gethostbyaddr_r])
518 struct hostent *h, *hp;
521 (void) gethostbyaddr_r(a, l, t, h, b, bl, &hp, &e)
523 AC_DEFINE(HAVE_GETHOSTBYADDR_R_8_ARGS)
524 AC_MSG_RESULT([8 args])
532 (void) gethostbyaddr_r(a, l, t, h, b, bl, &e)
534 AC_DEFINE(HAVE_GETHOSTBYADDR_R_7_ARGS)
535 AC_MSG_RESULT([7 args])
540 struct hostent_data *d;
544 (void) gethostbyaddr_r(a, l, t, h, d)
546 AC_DEFINE(HAVE_GETHOSTBYADDR_R_5_ARGS)
547 AC_MSG_RESULT([5 args])
549 AC_MSG_RESULT(unrecognised)
557 AC_CHECK_FUNC(gethostbyname_r, [
558 AC_MSG_CHECKING([signature of gethostbyname_r])
562 struct hostent *h, *r;
565 (void) gethostbyname_r(n, h, b, bl, &r, &e)
567 AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARGS)
568 AC_MSG_RESULT([6 args])
576 (void) gethostbyname_r(n, h, b, bl, &e)
578 AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARGS)
579 AC_MSG_RESULT([5 args])
584 struct hostent_data *d;
587 (void) gethostbyname_r(n, h, d)
589 AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARGS)
590 AC_MSG_RESULT([3 args])
592 AC_MSG_RESULT(unrecognised)
600 AC_CHECK_FUNC(gmtime_r, [
601 AC_MSG_CHECKING([signature of gmtime_r])
607 (void) gmtime_r(t, tm)
610 AC_DEFINE(HAVE_GMTIME_R)
612 AC_MSG_RESULT(unrecognised)
618 AC_CHECK_FUNC(localtime_r, [
619 AC_MSG_CHECKING([signature of localtime_r])
625 (void) localtime_r(t, tm)
628 AC_DEFINE(HAVE_LOCALTIME_R)
630 AC_MSG_RESULT(unrecognised)
636 dnl =================================================================
638 dnl FIXME: Not tested on Solaris yet...
639 dnl ISFIXED: Have tested it on Solaris, but there are other ways to
640 dnl make these checks generic, e.g.:
641 dnl AC_CHECK_FUNC(getsockopt, , AC_CHECK_LIB(socket, getsockopt))
642 dnl (Moritz Barsnick <moritz@barsnick.net>)
643 dnl =================================================================
649 *-solaris*) SOCKET_LIB="-lsocket -lnsl"
650 AC_DEFINE(__EXTENSIONS__)
651 if test "$GCC" = "yes"; then
652 # Set a GCC specific switch:
653 # This compiler switch makes Solaris thread-safe
655 SPECIAL_CFLAGS="-pthreads"
657 # What do we do without GCC? Guess this:
658 SPECIAL_CFLAGS="-D_REENTRANT"
665 dnl =================================================================
666 dnl Solaris problem, and others perhaps (socklen_t is undefined)
667 dnl =================================================================
669 if test $target_type != mingw; then
670 # i686-w64-mingw32-gcc gets socklen_t define from ws2tcpip.h
672 AC_MSG_CHECKING([for socklen_t])
673 AC_EGREP_HEADER(socklen_t, sys/socket.h, AC_MSG_RESULT([yes]),
675 AC_DEFINE(socklen_t,int,
676 [ Define to 'int' if <sys/socket.h> doesn't have it. ]))
680 dnl =================================================================
682 dnl =================================================================
685 *-apple-darwin*) SPECIAL_CFLAGS="-Dunix"
689 dnl =================================================================
691 dnl =================================================================
694 *-openbsd*) SPECIAL_CFLAGS="$SPECIAL_CFLAGS -Dunix"
698 dnl =================================================================
700 dnl =================================================================
702 if test "$host_os" = haiku; then
703 # Omit the "-pthread" flag to gcc, even when building with gcc 2.95
706 # Haiku's pthreads implementation exists in its system library,
707 # libroot, not in a separate pthreads library
710 # Networking code exists in libnetwork
713 # Search Haiku's common-library folder to find its pcre and
714 # pcreposix libraries
715 LIBS="-L/boot/common/lib $LIBS"
718 dnl =================================================================
719 dnl Check for standard compiler stuff
720 dnl =================================================================
731 AC_CHECK_SIZEOF(int, 4)
732 AC_CHECK_SIZEOF(char *, 4)
733 AC_CHECK_SIZEOF(long, 4)
734 AC_CHECK_SIZEOF(long long, 8)
735 AC_CHECK_SIZEOF(size_t, 4)
736 AC_CHECK_SIZEOF(time_t, 8)
738 dnl Checks for header files.
759 dnl Checks for library functions.
760 AC_PROG_GCC_TRADITIONAL
799 dnl Checks for RFC 2553 resolver and socket functions
800 AC_ARG_ENABLE(ipv6-support,
801 [ --disable-ipv6-support Disable IPv6 support and other RFC-2554-related improvements],
802 [if test $enableval = yes; then
803 enable_ipv6_support=yes
804 fi], enable_ipv6_support=yes)
806 if test $enable_ipv6_support != yes; then
807 AC_MSG_WARN([Skipping checks for IPv6 support and other RFC-2554-related improvements.
808 Due to lock contention, this may result in slower DNS resolution for IPv4 setups, too.])
809 elif test $target_type = mingw; then
810 AC_CHECK_LIB(ws2_32, main)
812 AC_MSG_CHECKING(getaddrinfo in ws2_32)
819 [getaddrinfo(0,0,0,0)],
820 have_ws2_32_getaddrinfo=yes
822 AC_MSG_RESULT($have_ws2_32_getaddrinfo)
824 AC_MSG_CHECKING(getnameinfo in ws2_32)
831 [getnameinfo(0,0,0,0,0,0,0)],
832 have_ws2_32_getnameinfo=yes
834 AC_MSG_RESULT($have_ws2_32_getnameinfo)
836 if test $have_ws2_32_getaddrinfo ; then
837 if test $have_ws2_32_getnameinfo ; then
838 AC_DEFINE([HAVE_RFC2553], [1],
839 [Define if RFC 2553 resolver functions like getaddrinfo(3) and
840 getnameinfo(3) present])
844 AC_CHECK_FUNC([getaddrinfo],
845 [AC_CHECK_FUNC([getnameinfo],
846 [AC_DEFINE([HAVE_RFC2553], [1],
847 [Define if RFC 2553 resolver functions like getaddrinfo(3) and
848 getnameinfo(3) present])
853 dnl =================================================================
854 dnl Checks for libraries.
855 dnl =================================================================
856 dnl Note: Some systems may have the library but not the system header
857 dnl file, so we must check for both.
858 dnl Also check for correct version
859 AC_CHECK_LIB(pcre, pcre_compile, [
860 AC_CHECK_HEADER(pcre.h, [
861 AC_EGREP_HEADER(pcre_fullinfo, pcre.h, [have_pcre=yes], [AC_MSG_WARN([[pcre old version installed]]); have_pcre=no])
863 AC_CHECK_HEADER(pcre/pcre.h, [
864 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])
869 AC_CHECK_LIB(pcreposix, regcomp, [
870 AC_CHECK_HEADER(pcreposix.h, [
871 AC_EGREP_HEADER(pcreposix_regerror, pcreposix.h, [AC_MSG_WARN([[pcreposix old version installed]]); have_pcreposix=no], [have_pcreposix=yes])
873 AC_CHECK_HEADER(pcre/pcreposix.h, [
874 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)])
875 ], [have_pcreposix=no])
877 ], [have_pcreposix=no], -lpcre)
879 dnl ================================================================
880 dnl libpcrs is temporarily disabled.
882 dnl Privoxy's own pcrs version fixes some problems that
883 dnl are present in libpcrs 0.3, the last pcrs release we
884 dnl know of, and as libpcrs seems to be currently unmaintained
885 dnl we can't send these fixes upstream.
886 dnl ================================================================
888 dnl AC_CHECK_LIB(pcrs, pcrs_compile, [AC_CHECK_HEADER(pcrs.h, [have_pcrs=yes], [have_pcrs=no])], [have_pcrs=no], -lpcre)
890 dnl =================================================================
892 dnl =================================================================
896 dnl =================================================================
898 dnl =================================================================
900 AC_ARG_ENABLE(toggle,
901 [ --disable-toggle Don't support temporary disable],
902 [if test $enableval = yes; then
903 AC_DEFINE(FEATURE_TOGGLE)
904 fi],AC_DEFINE(FEATURE_TOGGLE))
907 [ --disable-force Don't allow single-page disable],
908 [if test $enableval = yes; then
909 AC_DEFINE(FEATURE_FORCE_LOAD)
910 fi],AC_DEFINE(FEATURE_FORCE_LOAD))
912 AC_ARG_ENABLE(fast-redirects,
913 [ --disable-fast-redirects Don't support fast redirects],
914 [if test $enableval = yes; then
915 AC_DEFINE(FEATURE_FAST_REDIRECTS)
916 fi], AC_DEFINE(FEATURE_FAST_REDIRECTS))
919 [ --disable-stats Don't keep statistics],
920 [if test $enableval = yes; then
921 AC_DEFINE(FEATURE_STATISTICS)
922 fi],AC_DEFINE(FEATURE_STATISTICS))
924 AC_ARG_ENABLE(extended-statistics,
925 [ --enable-extended-statistics Gather extended statistics.],
926 [if test $enableval = yes; then
927 AC_DEFINE(FEATURE_EXTENDED_STATISTICS)
930 AC_ARG_ENABLE(image-blocking,
931 [ --disable-image-blocking Don't try to figure out whether a request is
932 for an image or HTML - assume HTML.],
933 [if test $enableval = yes; then
934 AC_DEFINE(FEATURE_IMAGE_BLOCKING)
936 AC_DEFINE(FEATURE_IMAGE_BLOCKING))
938 AC_ARG_ENABLE(acl-support,
939 [ --disable-acl-support Prevents the use of ACLs to control access to
940 Privoxy by IP address.],
941 [if test $enableval = yes; then
942 AC_DEFINE(FEATURE_ACL)
944 AC_DEFINE(FEATURE_ACL))
946 AC_ARG_ENABLE(trust-files,
947 [ --disable-trust-files Prevents the use of trust files.],
948 [if test $enableval = yes; then
949 AC_DEFINE(FEATURE_TRUST)
951 AC_DEFINE(FEATURE_TRUST))
953 AC_ARG_ENABLE(editor,
954 [ --disable-editor Prevents the use of the web-based actions file
955 editor and web-based temporary disable setting.],
956 [if test $enableval = yes; then
957 AC_DEFINE(FEATURE_CGI_EDIT_ACTIONS)
959 AC_DEFINE(FEATURE_CGI_EDIT_ACTIONS))
961 AC_ARG_ENABLE(no-gifs,
962 [ --enable-no-gifs Use politically correct PNG format instead of GIF
963 for built-in images. May not work with all browsers.],
964 [if test $enableval = yes; then
965 AC_DEFINE(FEATURE_NO_GIFS)
968 AC_ARG_ENABLE(graceful-termination,
969 [ --enable-graceful-termination Allow to shutdown Privoxy through the webinterface.],
970 [if test $enableval = yes; then
971 AC_DEFINE(FEATURE_GRACEFUL_TERMINATION)
974 AC_ARG_ENABLE(pcre-host-patterns,
975 [ --enable-pcre-host-patterns Allow to use PCRE syntax in host patterns by prefixing the pattern with
976 "PCRE-HOST-PATTERN:". You can use tools/url-pattern-translator.pl to
977 convert existing action files to use PCRE host patterns.],
978 [if test $enableval = yes; then
979 AC_DEFINE(FEATURE_PCRE_HOST_PATTERNS)
982 AC_ARG_ENABLE(pcre-jit-compilation,
983 [ --disable-pcre-jit-compilation Don't let pcrs use pcre JIT compilation even if pcre supports it.],
984 [if test $enableval != yes; then
985 AC_DEFINE(DISABLE_PCRE_JIT_COMPILATION)
988 AC_ARG_ENABLE(external-filters,
989 [ --enable-external-filters Allow to filter content with scripts and programs. Experimental.],
990 [if test $enableval = yes; then
991 AC_DEFINE(FEATURE_EXTERNAL_FILTERS,1,[Define to 1 to allow to filter content with scripts and programs.])
994 AC_ARG_ENABLE(accept-filter,
995 [ --enable-accept-filter Try to use accf_http(9) if supported.],
996 [if test $enableval = yes; then
997 AC_DEFINE(FEATURE_ACCEPT_FILTER)
1000 AC_ARG_ENABLE(strptime-sanity-checks,
1001 [ --enable-strptime-sanity-checks Only trust strptime() results if an additional strftime()/strptime()
1002 conversion doesn't change the result. Can be useful if strptime() is
1003 known or suspected to be broken.],
1004 [if test $enableval = yes; then
1005 AC_DEFINE(FEATURE_STRPTIME_SANITY_CHECKS)
1008 AC_ARG_ENABLE(client-tags,
1009 [ --disable-client-tags Disable support for client-specific tags],
1010 [ if test $enableval = "no"; then have_client_tags=no; fi ])
1011 if test "${have_client_tags}" = "no"; then
1012 echo "Disabling support for client-specific tags."
1013 FEATURE_CLIENT_TAGS_ONLY="#"
1015 echo "Enabling support for client-specific tags."
1016 AC_DEFINE(FEATURE_CLIENT_TAGS,1,[Define to enable support for client-specific tags.])
1017 FEATURE_CLIENT_TAGS_ONLY=""
1019 AC_SUBST(FEATURE_CLIENT_TAGS_ONLY)
1023 [ --enable-fuzz Enable code that makes fuzzing more convenient],
1024 [if test $enableval = yes; then
1026 AC_DEFINE(FUZZ,1,[Define to make fuzzing more convenient.])
1030 dnl pcre/pcrs is needed for CGI anyway, so
1031 dnl the choice is only between static and
1034 AC_ARG_ENABLE(dynamic-pcre,
1035 [ --disable-dynamic-pcre Use the built-in, static pcre, even if libpcre is available],
1036 [ if test $enableval = "no"; then have_pcre=no; fi ])
1038 dnl =================================================
1039 dnl libpcrs is temporarily disabled,
1040 dnl see comment above for the reason.
1041 dnl =================================================
1042 dnl AC_ARG_ENABLE(dynamic-pcrs,
1043 dnl [ --disable-dynamic-pcrs Use the built-in, static pcrs, even if libpcrs is available],
1044 dnl [ if test $enableval = "no"; then have_pcrs=no; fi ])
1047 dnl ====================================================
1048 dnl This check is incomplete. For mingw32 zlib is found
1049 dnl by configure, but not necessarily by the compiler.
1050 dnl ====================================================
1052 [ --disable-zlib Don't use zlib to decompress data before filtering.],
1053 [enableval2=$enableval],
1055 if test $enableval2 = yes; then
1056 AC_CHECK_LIB(z, zlibVersion, [have_zlib="yes"], [have_zlib="no"])
1057 if test $have_zlib = "yes"; then
1059 AC_DEFINE(FEATURE_ZLIB,1,[Define to 1 to use zlib to decompress data before filtering.])
1061 AC_MSG_WARN([No zlib found.
1062 Privoxy will not be able to filter compressed content.
1063 This may become a fatal error in the future.])
1067 AC_ARG_ENABLE(compression,
1068 [ --enable-compression Allow Privoxy to compress buffered content if the client supports it. Requires zlib support.],
1069 [enableval2=$enableval],
1071 if test $enableval2 = yes; then
1072 if test $have_zlib = "yes"; then
1073 echo Enabling compression support.
1074 AC_DEFINE(FEATURE_COMPRESSION,1,[Define to 1 to use compression through the zlib library.])
1076 AC_MSG_WARN([No zlib found. Privoxy will not be able to (re-)compressed buffered content.])
1081 # If we have libpcre and either we also have pcreposix or
1082 # we don't need pcreposix, then link pcre dynamically; else
1083 # build it and link statically
1085 if test $have_pcre = "yes"; then
1086 echo "using libpcre"
1088 LIBS="$LIBS -lpcre -lpcreposix"
1089 if test "$use_static_pcre" = "yes"; then
1091 AC_DEFINE(PCRE_STATIC,1,[Define to statically link to pcre library on Windows.])
1092 # see /usr/i686-w64-mingw32/sys-root/mingw/include/pcre.h line 54
1093 # #if defined(_WIN32) && !defined(PCRE_STATIC)
1094 # # ifndef PCRE_EXP_DECL
1095 # # define PCRE_EXP_DECL extern __declspec(dllimport)
1097 # If you want to statically link a program against a PCRE library in the form of
1098 # a non-dll .a file, you must define PCRE_STATIC before including pcre.h or
1099 # pcrecpp.h, otherwise the pcre_malloc() and pcre_free() exported functions will
1100 # be declared __declspec(dllimport), with unwanted results.
1103 AC_DEFINE(FEATURE_DYNAMIC_PCRE,1,[Define to dynamically link to pcre.])
1106 AC_MSG_ERROR(pcre library not detected.)
1109 AC_DEFINE(FEATURE_CONNECTION_KEEP_ALIVE)
1111 if test $have_pthread = "yes" -o $target_type = "mingw"; then
1112 echo Enabling connection-sharing support.
1113 AC_DEFINE(FEATURE_CONNECTION_SHARING)
1116 dnl =================================================
1117 dnl libpcrs is temporarily disabled,
1118 dnl see comment above for the reason.
1119 dnl =================================================
1120 dnl # If we have libpcrs and pcre is linked dynamically
1121 dnl # then also link pcrs dynamically, else build and link
1122 dnl # pcrs statically
1124 dnl if test $have_pcrs = "yes" -a $pcre_dyn = "yes"; then
1125 dnl echo "using libpcrs"
1126 dnl STATIC_PCRS_ONLY=#
1127 dnl LIBS="$LIBS -lpcrs"
1129 dnl echo "using built-in static pcrs"
1130 AC_DEFINE(STATIC_PCRS)
1134 AC_SUBST(STATIC_PCRE_ONLY)
1135 AC_SUBST(STATIC_PCRS_ONLY)
1137 FEATURE_HTTPS_INSPECTION_ONLY=#
1138 dnl ========================================================
1139 dnl check for mbedTLS which can be used for https inspection
1140 dnl ========================================================
1141 FEATURE_HTTPS_INSPECTION_ONLY_MBEDTLS=#
1143 AC_ARG_WITH(mbedtls,dnl
1144 AC_HELP_STRING([--with-mbedtls], [Enable mbedTLS detection for https inspection.])
1145 AC_HELP_STRING([--without-mbedtls], [Disable mbedTLS detection]),
1146 OPT_MBEDTLS=$withval)
1148 if test X"$OPT_MBEDTLS" != Xno; then
1150 AC_CHECK_LIB(mbedtls, mbedtls_ssl_init,
1152 AC_DEFINE(FEATURE_HTTPS_INSPECTION, 1, [if SSL/TLS is enabled])
1153 AC_DEFINE(FEATURE_HTTPS_INSPECTION_MBEDTLS, 1, [if mbedTLS is enabled])
1154 AC_SUBST(FEATURE_HTTPS_INSPECTION_MBEDTLS, [1])
1155 FEATURE_HTTPS_INSPECTION_MBEDTLS="yes"
1156 ], [], -lmbedx509 -lmbedcrypto)
1158 if test "x$FEATURE_HTTPS_INSPECTION_MBEDTLS" = "xyes"; then
1159 AC_MSG_NOTICE([Detected mbedTLS. Enabling https inspection.])
1161 LIBS="-lmbedtls -lmbedx509 -lmbedcrypto $LIBS"
1162 old_CFLAGS_nospecial="-Imbedtls/include $old_CFLAGS_nospecial"
1164 FEATURE_HTTPS_INSPECTION_ONLY=
1165 FEATURE_HTTPS_INSPECTION_ONLY_MBEDTLS=
1168 AC_SUBST(FEATURE_HTTPS_INSPECTION_ONLY_MBEDTLS)
1170 dnl =================================================================
1171 dnl check for OpenSSL/LibreSSL which can be used for https inspection
1172 dnl =================================================================
1173 FEATURE_HTTPS_INSPECTION_ONLY_OPENSSL=#
1175 AC_ARG_WITH(openssl,dnl
1176 AC_HELP_STRING([--with-openssl], [Enable OpenSSL/LibreSSL detection for https inspection.])
1177 AC_HELP_STRING([--without-openssl], [Disable OpenSSL/LibreSSL detection]),
1178 OPT_OPENSSL=$withval)
1180 if test X"$OPT_OPENSSL" != Xno; then
1181 if test X"$OPT_MBEDTLS" != Xno; then
1182 AC_MSG_ERROR([OpenSSL and mbedTLS support can't be enabled at the same time])
1185 if test "$PORTNAME" != "win32"; then
1186 AC_CHECK_LIB(crypto, CRYPTO_new_ex_data, [], [AC_MSG_ERROR([library 'crypto' is required for OpenSSL])])
1188 AC_CHECK_LIB(ssl, OPENSSL_init_ssl, [FOUND_SSL_LIB="yes"])
1189 AC_CHECK_LIB(ssl, SSL_library_init, [FOUND_SSL_LIB="yes"])
1190 AS_IF([test "x$FOUND_SSL_LIB" = xno], [AC_MSG_ERROR([library 'ssl' is required for OpenSSL])])
1192 AC_SEARCH_LIBS(CRYPTO_new_ex_data, eay32 crypto, [], [AC_MSG_ERROR([library 'eay32' or 'crypto' is required for OpenSSL])])
1194 AC_SEARCH_LIBS(OPENSSL_init_ssl, ssleay32 ssl, [FOUND_SSL_LIB="yes"])
1195 AC_SEARCH_LIBS(SSL_library_init, ssleay32 ssl, [FOUND_SSL_LIB="yes"])
1196 AS_IF([test "x$FOUND_SSL_LIB" = xno], [AC_MSG_ERROR([library 'ssleay32' or 'ssl' is required for OpenSSL])])
1199 if test "x$FOUND_SSL_LIB" = xyes; then
1200 AC_DEFINE(FEATURE_HTTPS_INSPECTION, 1, [if SSL/TLS is enabled])
1201 AC_DEFINE(FEATURE_HTTPS_INSPECTION_OPENSSL, 1, [if OpenSSL is enabled])
1202 AC_SUBST(FEATURE_HTTPS_INSPECTION_OPENSSL, [1])
1203 FEATURE_HTTPS_INSPECTION="yes"
1204 FEATURE_HTTPS_INSPECTION_OPENSSL="yes"
1207 if test "x$FEATURE_HTTPS_INSPECTION_OPENSSL" = "xyes"; then
1208 AC_MSG_NOTICE([Detected OpenSSL. Enabling https inspection.])
1209 AC_MSG_WARN([If you intend to redistribute Privoxy, please make sure the "special exception" from section 3 of the GPLv2 applies.])
1211 LIBS="$LIBS -lssl -lcrypto"
1212 old_CFLAGS_nospecial="$old_CFLAGS_nospecial"
1214 FEATURE_HTTPS_INSPECTION_ONLY=
1215 FEATURE_HTTPS_INSPECTION_ONLY_OPENSSL=
1218 AC_SUBST(FEATURE_HTTPS_INSPECTION_ONLY_OPENSSL)
1220 AC_SUBST(FEATURE_HTTPS_INSPECTION_ONLY)
1222 dnl ========================================================
1223 dnl Check for Brotli which can be used for decompression
1224 dnl ========================================================
1227 AC_HELP_STRING([--with-brotli], [Enable Brotli detection])
1228 AC_HELP_STRING([--without-brotli], [Disable Brotli detection]),
1229 WITH_BROTLI=$withval)
1231 if test X"$WITH_BROTLI" != Xno; then
1233 LIBS="$LIBS -lbrotlidec"
1234 if test $target_type = mingw; then
1235 # XXX: why does just the mingw build need this???
1236 LIBS="$LIBS -lbrotlicommon -lbrotlienc"
1239 AC_CHECK_LIB(brotlidec, BrotliDecoderDecompress)
1241 AC_CHECK_HEADERS(brotli/decode.h,
1243 AC_DEFINE(FEATURE_BROTLI, 1, [If Brotli is used for decompression])
1244 AC_SUBST(FEATURE_BROTLI, [1])
1249 dnl =================================================================
1250 dnl Final cleanup and output
1251 dnl =================================================================
1253 dnl Remove the SPECIAL_CFLAGS stuff from CFLAGS, and add it separately
1255 CFLAGS=$old_CFLAGS_nospecial
1256 AC_SUBST(SPECIAL_CFLAGS)
1258 AC_SUBST(PTHREAD_LIB)
1260 AC_OUTPUT(GNUmakefile doc/source/ldp.dsl)