1 dnl Process this file with autoconf to produce a configure script.
3 dnl Written by and Copyright (C) 2001-2023 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 "$with_docbook" in
66 AC_ARG_WITH(db2html, dnl
67 --with-db2html=<path/executable>
68 Set the location of the docbook to html converter
69 (default = search),[dnl
73 dnl =================================================================
74 dnl Application version number
75 dnl =================================================================
76 dnl CODE_STATUS can be "alpha", "beta", "stable" or "UNRELEASED",
77 dnl and will be used for CGI output. Increment version number and
78 dnl set status to "UNRELEASED" whenever git differs from the last
79 dnl release and no new release is near.
84 CODE_STATUS="UNRELEASED"
86 dnl Timestamp (date +%s) used by the mtree-spec target.
87 dnl Should be updated before releases but forgetting it isn't critical.
88 SOURCE_DATE_EPOCH=1672586827
90 dnl =================================================================
91 dnl Substitute the version numbers
92 dnl =================================================================
94 AC_SUBST(VERSION_MAJOR)
95 AC_SUBST(VERSION_MINOR)
96 AC_SUBST(VERSION_POINT)
98 AC_SUBST(SOURCE_DATE_EPOCH)
101 AC_DEFINE_UNQUOTED(VERSION_MAJOR,${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="$LDFLAGS -fsanitize=address"
171 AC_ARG_WITH(msan, [ --with-msan Enable MemorySanitizer. Requires compiler support.])
172 if test "x$with_msan" = "xyes"; then
173 CFLAGS="$CFLAGS -fsanitize=memory"
174 LDFLAGS="$LDFLAGS -fsanitize=memory"
177 AC_ARG_WITH(usan, [ --with-usan Enable UndefinedBehaviorSanitizer. Requires compiler support.])
178 if test "x$with_usan" = "xyes"; then
179 CFLAGS="$CFLAGS -fsanitize=undefined"
180 LDFLAGS="$LDFLAGS -fsanitize=undefined"
183 dnl =================================================================
184 dnl Check for user and group validity
185 dnl =================================================================
188 if test "$host_os" = haiku; then
189 echo "Skipping user and group validity stuff.";
193 $ID privoxy >/dev/null 2>/dev/null
194 if test $? -ne 0 ; then
195 AC_MSG_WARN(There is no user 'privoxy' on this system)
197 AC_MSG_CHECKING([for user])
199 [ --with-user=privoxy Set user under which privoxy will run],
201 if test "x$withval" != "xyes"; then
202 if test $ID = no ; then
203 AC_MSG_ERROR(There is no 'id' program on this system)
205 AC_MSG_RESULT($with_user)
206 $ID $with_user 2>/dev/null >/dev/null
207 if test $? -eq 0 ; then
210 AC_MSG_ERROR(There is no user '$with_user' on this system)
214 AC_MSG_ERROR(We need a user if you give me this parameter)
218 if test $ID = no ; then
219 AC_MSG_ERROR(There is no 'id' program on this system)
221 AC_MSG_RESULT(none specified)
228 AC_MSG_CHECKING([for group])
230 [ --with-group=privoxy Set group for privoxy],
232 if test "x$withval" != "xyes"; then
233 if test $BGROUPS = no ; then
234 AC_MSG_ERROR(There is no 'groups' program on this system)
236 AC_MSG_RESULT($with_group)
237 $BGROUPS $USER >/dev/null
238 if test $? -eq 0 ; then
239 for i in `$BGROUPS $USER | sed 's/.*: //' 2>/dev/null`; do
240 if test "x$i" = "x$with_group" ; then
245 if test "x$GROUP" != "x$with_group" ; then
246 AC_MSG_ERROR(The given value '$withval' does not match group entry)
249 AC_MSG_ERROR(There is no group entry for user '$USER')
253 AC_MSG_ERROR(We need a group if you give me this parameter)
257 if test $BGROUPS = no ; then
258 AC_MSG_ERROR(There is no 'groups' program on this system)
260 AC_MSG_RESULT(none specified)
269 dnl =================================================================
270 dnl additional gcc flags
271 dnl =================================================================
274 if test "$host" != "powerpc-unknown-amigaos"; then
275 CFLAGS="-pipe $CFLAGS"
280 dnl =================================================================
282 dnl =================================================================
284 dnl Must do this first.
286 dnl Reason: This sets CFLAGS in order to switch the Cygwin compiler
287 dnl into Cygwin or MinGW32 modes. Depending on the mode selected,
288 dnl the compiler will use completely different sets of library
289 dnl and include files.
291 dnl =================================================================
296 if test "$MINGW32" = "yes"; then
299 if test "$CYGWIN" = "yes"; then
306 if test $dodk = auto; then
308 if test $target_type = unix; then
310 linux* | gnu* | *bsd*)
317 dnl Decide what to do based on target_type
318 dnl Note: PTHREAD_LIB is always set, even if pthread is disabled.
319 dnl This is because we don't know yet whether pthread is enabled.
321 AC_ARG_ENABLE(mingw32,
322 [ --enable-mingw32 Use mingw32 for a Windows GUI],
323 [if test $enableval = yes; then
327 if test $target_type = mingw; then
329 CFLAGS="$CFLAGS -DWINVER=0x501"
330 SPECIAL_CFLAGS="-mwindows"
331 dnl from the cygwin FAQ: The regular setup allows you to use the -mwindows option
332 dnl to include a set of the basic libraries user32, gdi32 and comdlg32.
333 dnl (and also make your program a GUI program instead of a console program)
334 PTHREAD_LIB=-lpthread
335 echo "Using mingw32 (Win32 GUI)"
338 if test $target_type = cygwin; then
339 SPECIAL_CFLAGS="-mno-win32"
341 echo "Using Cygnus (Win32 command line)"
344 PTHREAD_LIB=-lpthread
349 if test $dodk != no; then
350 AC_CHECK_PROGS(W3M, w3m, false)
351 if test "$W3M" = false; then
352 AC_MSG_WARN(You need w3m to build text documentation.)
354 if test $DB2HTML = false; then
355 dnl We need to clean the variable, otherwise AC_CHECK_PROGS
358 AC_CHECK_PROGS(DB2HTML,db2html docbook2html,false)
364 dnl prefer openjade to jade
365 dnl Check for jade, so we can build the documentation
366 AC_CHECK_PROGS(JADEBIN,openjade jade,false)
369 dnl Prefer OpenSP to SP
370 dnl ref: https://lists.privoxy.org/pipermail/privoxy-devel/2018-November/000293.html
371 AC_CHECK_PROGS(NSGMLS,onsgmls nsgmls,false)
374 dnl Check for man2html for docs.
375 AC_CHECK_PROGS(MAN2HTML,man2html,false)
378 dnl Set doc status flag for conditional content inclusions
379 DOC_STATUS=p-not-stable
380 if test $CODE_STATUS = stable; then
381 DOC_STATUS="p-stable"
385 dnl Checking for the docbook.dsl stylesheet file
386 dnl It is still not portable (directory slash)
388 if test $dodk = yes; then
389 if test $DKPREFIX = none; then
390 for i in /usr/share/sgml/docbook/dsssl-stylesheets \
391 /usr/share/sgml/docbkdsl /usr/share/sgml/docbook-dsssl \
392 /usr/local/share/sgml/docbook/dsssl/modular \
393 /usr/share/sgml/docbook/stylesheet/dsssl/modular/ \
395 dnl echo -n does not fly with /bin/sh.
396 dnl echo -n "checking for $i/html/docbook.dsl..."
397 AC_MSG_CHECKING([for $i])
398 if test -f $i/html/docbook.dsl; then
406 # where are the catalogs?
407 for i in /usr/share/sgml/CATALOG.docbk30 \
408 /usr/share/sgml/CATALOG.docbk31 \
409 /usr/share/sgml/CATALOG.docbk31 \
410 /usr/local/share/sgml/docbook/2.4.1/docbook.cat \
411 /usr/local/share/sgml/docbook/3.0/docbook.cat \
412 /usr/local/share/sgml/docbook/3.1/docbook.cat \
413 /usr/share/sgml/docbook/dtd/3.1/docbook.cat \
415 dnl echo -n "checking for $i..."
416 AC_MSG_CHECKING([for $i])
419 JADECAT="$JADECAT -c $i"
429 AC_ARG_ENABLE(large-file-support,
430 [ --enable-large-file-support Define _LARGE_FILES and friends.
431 Required by some systems to support files larger then 2GB.],
432 [if test $enableval = yes; then
433 CFLAGS="$CFLAGS -D_FILE_OFFSET_BITS=64 -D_LARGE_FILES -D_LARGEFILE_SOURCE=1"
436 AC_ARG_ENABLE(static-linking,
437 [ --enable-static-linking Use static linking instead of dynamic linking (ie. LDFLAGS=-static)],
438 [ if test $enableval = yes; then LDFLAGS="$LDFLAGS -static"; use_static_pcre="yes"; fi ])
440 dnl Save old CFLAGS so we can restore them later, then add SPECIAL_CFLAGS
441 old_CFLAGS_nospecial=$CFLAGS
442 CFLAGS="$CFLAGS $SPECIAL_CFLAGS"
444 # Hack to force AutoConf to use the CFLAGS we just set
445 dnl Warning: This may break with a future version of Autoconf
446 dnl Tested with autoconf 2.13
447 ac_cpp='$CPP $CPPFLAGS $SPECIAL_CFLAGS'
448 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
449 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
452 dnl =================================================================
454 dnl =================================================================
456 AC_CHECK_HEADER(pthread.h, [have_pthread=yes], [have_pthread=no])
458 AC_ARG_ENABLE(pthread,
459 [ --disable-pthread Don't use POSIX threads (pthreads)],
460 [if test $enableval = no; then
462 if test $have_pthread = yes -a $target_type != mingw; then
463 AC_MSG_WARN([pthreads seem to be available but you are using --disable-pthread.])
464 AC_MSG_WARN([This is almost always a mistake and can render Privoxy unacceptable slow.])
465 AC_MSG_WARN([Also various Privoxy features only work when using threads and won't even compile without them.])
470 if test $have_pthread = yes; then
472 AC_DEFINE(FEATURE_PTHREAD)
473 echo Using POSIX threads
474 if test "$GCC" = "yes"; then
475 # Set a GCC specific switch:
476 if test "$target_type" = "unix"; then
477 ac_jgf_save_CFLAGS=$CFLAGS
478 CFLAGS="$CFLAGS -pthread"
479 AC_TRY_LINK([#include <pthread.h>],
480 [void *p = pthread_create;],
482 # This compiler switch makes GCC on Linux thread-safe
483 # However, it's not supported on most other OS.
485 SPECIAL_CFLAGS="-pthread"
487 CFLAGS=$ac_jgf_save_CFLAGS
492 echo Using native threads
495 AC_SUBST(PTHREAD_ONLY)
497 dnl =================================================================
498 dnl On most platforms select() does not support fd numbers above
499 dnl FD_SETSIZE, as a result Privoxy can't handle more than
500 dnl approximately FD_SETSIZE/2 client connections.
501 dnl On some platforms the value can be changed at compile time,
502 dnl on others it's hardcoded and requires recompilation of the OS.
503 dnl Only relevant if select() is actually being used.
504 dnl =================================================================
505 AC_ARG_WITH(fdsetsize,
506 [ --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().],
508 if test "x$withval" != "xyes"; then
509 AC_DEFINE_UNQUOTED(FD_SETSIZE,$with_fdsetsize,[Relevant for select(). Not honoured by all OS.])
510 echo "Redefining FD_SETSIZE to $with_fdsetsize."
511 AC_MSG_WARN(On platforms that don't support FD_SETSIZE redefinition it may cause memory corruption.)
513 AC_MSG_ERROR(--with-fdsetsize used without value)
518 dnl =================================================================
519 dnl Support for thread-safe versions of gethostbyaddr, gethostbyname,
520 dnl gmtime and localtime
521 dnl =================================================================
523 dnl Next line needed to find the gethost*_r functions on Solaris
524 AC_CHECK_LIB(nsl, gethostbyname)
526 AC_CHECK_FUNC(gethostbyaddr_r, [
527 AC_MSG_CHECKING([signature of gethostbyaddr_r])
531 struct hostent *h, *hp;
534 (void) gethostbyaddr_r(a, l, t, h, b, bl, &hp, &e)
536 AC_DEFINE(HAVE_GETHOSTBYADDR_R_8_ARGS)
537 AC_MSG_RESULT([8 args])
545 (void) gethostbyaddr_r(a, l, t, h, b, bl, &e)
547 AC_DEFINE(HAVE_GETHOSTBYADDR_R_7_ARGS)
548 AC_MSG_RESULT([7 args])
553 struct hostent_data *d;
557 (void) gethostbyaddr_r(a, l, t, h, d)
559 AC_DEFINE(HAVE_GETHOSTBYADDR_R_5_ARGS)
560 AC_MSG_RESULT([5 args])
562 AC_MSG_RESULT(unrecognised)
570 AC_CHECK_FUNC(gethostbyname_r, [
571 AC_MSG_CHECKING([signature of gethostbyname_r])
575 struct hostent *h, *r;
578 (void) gethostbyname_r(n, h, b, bl, &r, &e)
580 AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARGS)
581 AC_MSG_RESULT([6 args])
589 (void) gethostbyname_r(n, h, b, bl, &e)
591 AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARGS)
592 AC_MSG_RESULT([5 args])
597 struct hostent_data *d;
600 (void) gethostbyname_r(n, h, d)
602 AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARGS)
603 AC_MSG_RESULT([3 args])
605 AC_MSG_RESULT(unrecognised)
613 AC_CHECK_FUNC(gmtime_r, [
614 AC_MSG_CHECKING([signature of gmtime_r])
620 (void) gmtime_r(t, tm)
623 AC_DEFINE(HAVE_GMTIME_R)
625 AC_MSG_RESULT(unrecognised)
631 AC_CHECK_FUNC(localtime_r, [
632 AC_MSG_CHECKING([signature of localtime_r])
638 (void) localtime_r(t, tm)
641 AC_DEFINE(HAVE_LOCALTIME_R)
643 AC_MSG_RESULT(unrecognised)
649 dnl =================================================================
651 dnl FIXME: Not tested on Solaris yet...
652 dnl ISFIXED: Have tested it on Solaris, but there are other ways to
653 dnl make these checks generic, e.g.:
654 dnl AC_CHECK_FUNC(getsockopt, , AC_CHECK_LIB(socket, getsockopt))
655 dnl (Moritz Barsnick <moritz@barsnick.net>)
656 dnl =================================================================
662 *-solaris*) SOCKET_LIB="-lsocket -lnsl"
663 AC_DEFINE(__EXTENSIONS__)
664 if test "$GCC" = "yes"; then
665 # Set a GCC specific switch:
666 # This compiler switch makes Solaris thread-safe
668 SPECIAL_CFLAGS="-pthreads"
670 # What do we do without GCC? Guess this:
671 SPECIAL_CFLAGS="-D_REENTRANT"
678 dnl =================================================================
679 dnl Solaris problem, and others perhaps (socklen_t is undefined)
680 dnl =================================================================
682 if test $target_type != mingw; then
683 # i686-w64-mingw32-gcc gets socklen_t define from ws2tcpip.h
685 AC_MSG_CHECKING([for socklen_t])
686 AC_EGREP_HEADER(socklen_t, sys/socket.h, AC_MSG_RESULT([yes]),
688 AC_DEFINE(socklen_t,int,
689 [ Define to 'int' if <sys/socket.h> doesn't have it. ]))
693 dnl =================================================================
695 dnl =================================================================
698 *-apple-darwin*) SPECIAL_CFLAGS="-Dunix"
702 dnl =================================================================
704 dnl =================================================================
707 *-openbsd*) SPECIAL_CFLAGS="$SPECIAL_CFLAGS -Dunix"
711 dnl =================================================================
713 dnl =================================================================
715 if test "$host_os" = haiku; then
716 # Omit the "-pthread" flag to gcc, even when building with gcc 2.95
719 # Haiku's pthreads implementation exists in its system library,
720 # libroot, not in a separate pthreads library
723 # Networking code exists in libnetwork
726 # Search Haiku's common-library folder to find its pcre and
727 # pcreposix libraries
728 LIBS="-L/boot/common/lib $LIBS"
731 dnl =================================================================
732 dnl Check for standard compiler stuff
733 dnl =================================================================
744 AC_CHECK_SIZEOF(int, 4)
745 AC_CHECK_SIZEOF(char *, 4)
746 AC_CHECK_SIZEOF(long, 4)
747 AC_CHECK_SIZEOF(long long, 8)
748 AC_CHECK_SIZEOF(size_t, 4)
749 AC_CHECK_SIZEOF(time_t, 8)
751 dnl Checks for header files.
772 dnl Checks for library functions.
773 AC_PROG_GCC_TRADITIONAL
812 dnl Checks for RFC 2553 resolver and socket functions
813 AC_ARG_ENABLE(ipv6-support,
814 [ --disable-ipv6-support Disable IPv6 support and other RFC-2554-related improvements],
815 [if test $enableval = yes; then
816 enable_ipv6_support=yes
817 fi], enable_ipv6_support=yes)
819 if test $enable_ipv6_support != yes; then
820 AC_MSG_WARN([Skipping checks for IPv6 support and other RFC-2554-related improvements.
821 Due to lock contention, this may result in slower DNS resolution for IPv4 setups, too.])
822 elif test $target_type = mingw; then
823 AC_CHECK_LIB(ws2_32, main)
825 AC_MSG_CHECKING(getaddrinfo in ws2_32)
832 [getaddrinfo(0,0,0,0)],
833 have_ws2_32_getaddrinfo=yes
835 AC_MSG_RESULT($have_ws2_32_getaddrinfo)
837 AC_MSG_CHECKING(getnameinfo in ws2_32)
844 [getnameinfo(0,0,0,0,0,0,0)],
845 have_ws2_32_getnameinfo=yes
847 AC_MSG_RESULT($have_ws2_32_getnameinfo)
849 if test $have_ws2_32_getaddrinfo ; then
850 if test $have_ws2_32_getnameinfo ; then
851 AC_DEFINE([HAVE_RFC2553], [1],
852 [Define if RFC 2553 resolver functions like getaddrinfo(3) and
853 getnameinfo(3) present])
857 AC_CHECK_FUNC([getaddrinfo],
858 [AC_CHECK_FUNC([getnameinfo],
859 [AC_DEFINE([HAVE_RFC2553], [1],
860 [Define if RFC 2553 resolver functions like getaddrinfo(3) and
861 getnameinfo(3) present])
867 [ --disable-pcre2 Don't try to use pcre2 even if it's available],
868 [enableval2=$enableval],
870 if test $enableval2 = yes; then
873 AC_MSG_WARN([Ignoring pcre2 even if it's available])
878 if test $try_pcre2 != no; then
879 dnl =================================================================
880 dnl Checks for libraries.
881 dnl =================================================================
882 dnl Note: Some systems may have the library but not the system header
883 dnl file, so we must check for both.
884 dnl Also check for correct version
885 AC_CHECK_LIB(pcre2-8, pcre2_compile_8, [
886 AC_CHECK_HEADER(pcre2.h, [
887 AC_EGREP_HEADER(pcre2_pattern_info, pcre2.h,[have_pcre2=yes; AC_DEFINE(HAVE_PCRE2)], [AC_MSG_WARN([[pcre2 old version installed]]); have_pcre2=no])
889 AC_CHECK_HEADER(pcre2/pcre2.h, [
890 AC_EGREP_HEADER(pcre2_pattern_info, pcre2/pcre2.h, [have_pcre2=yes; AC_DEFINE(PCRE2_H_IN_SUBDIR)], [AC_MSG_WARN([[pcre2 old version installed]]); have_pcre2=no])
892 ], [#define PCRE2_CODE_UNIT_WIDTH 8])
895 AC_CHECK_LIB(pcre2-posix, regcomp, [
896 AC_CHECK_HEADER(pcre2posix.h, [
897 AC_EGREP_HEADER(pcre2_regerror, pcre2posix.h, [have_pcre2posix=yes],[AC_MSG_WARN([[pcre2posix old version installed]]); have_pcre2posix=no])
899 AC_CHECK_HEADER(pcre/pcre2posix.h, [
900 AC_EGREP_HEADER(pcre2_regerror, pcre2/pcre2posix.h, [have_pcre2posix=yes; AC_DEFINE(PCRE2POSIX_H_IN_SUBDIR)],[AC_MSG_WARN([[pcre2posix old version installed]]); have_pcre2posix=no])
901 ], [have_pcre2posix=no])
903 ], [have_pcre2posix=no], -lpcre2-8)
906 if test $have_pcre2 = "no"; then
908 AC_CHECK_LIB(pcre, pcre_compile, [
909 AC_CHECK_HEADER(pcre.h, [
910 AC_EGREP_HEADER(pcre_fullinfo, pcre.h, [have_pcre=yes], [AC_MSG_WARN([[pcre old version installed]]); have_pcre=no])
912 AC_CHECK_HEADER(pcre/pcre.h, [
913 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])
918 AC_CHECK_LIB(pcreposix, regcomp, [
919 AC_CHECK_HEADER(pcreposix.h, [
920 AC_EGREP_HEADER(pcreposix_regerror, pcreposix.h, [AC_MSG_WARN([[pcreposix old version installed]]); have_pcreposix=no], [have_pcreposix=yes])
922 AC_CHECK_HEADER(pcre/pcreposix.h, [
923 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)])
924 ], [have_pcreposix=no])
926 ], [have_pcreposix=no], -lpcre)
929 dnl ================================================================
930 dnl libpcrs is temporarily disabled.
932 dnl Privoxy's own pcrs version fixes some problems that
933 dnl are present in libpcrs 0.3, the last pcrs release we
934 dnl know of, and as libpcrs seems to be currently unmaintained
935 dnl we can't send these fixes upstream.
936 dnl ================================================================
938 dnl AC_CHECK_LIB(pcrs, pcrs_compile, [AC_CHECK_HEADER(pcrs.h, [have_pcrs=yes], [have_pcrs=no])], [have_pcrs=no], -lpcre)
940 dnl =================================================================
942 dnl =================================================================
946 dnl =================================================================
948 dnl =================================================================
950 AC_ARG_ENABLE(toggle,
951 [ --disable-toggle Don't support temporary disable],
952 [if test $enableval = yes; then
953 AC_DEFINE(FEATURE_TOGGLE)
954 fi],AC_DEFINE(FEATURE_TOGGLE))
957 [ --disable-force Don't allow single-page disable],
958 [if test $enableval = yes; then
959 AC_DEFINE(FEATURE_FORCE_LOAD)
960 fi],AC_DEFINE(FEATURE_FORCE_LOAD))
962 AC_ARG_ENABLE(fast-redirects,
963 [ --disable-fast-redirects Don't support fast redirects],
964 [if test $enableval = yes; then
965 AC_DEFINE(FEATURE_FAST_REDIRECTS)
966 fi], AC_DEFINE(FEATURE_FAST_REDIRECTS))
969 [ --disable-stats Don't keep statistics],
970 [if test $enableval = yes; then
971 AC_DEFINE(FEATURE_STATISTICS)
972 fi],AC_DEFINE(FEATURE_STATISTICS))
974 AC_ARG_ENABLE(extended-statistics,
975 [ --enable-extended-statistics Gather extended statistics.],
976 [if test $enableval = yes; then
977 AC_DEFINE(FEATURE_EXTENDED_STATISTICS)
980 AC_ARG_ENABLE(image-blocking,
981 [ --disable-image-blocking Don't try to figure out whether a request is
982 for an image or HTML - assume HTML.],
983 [if test $enableval = yes; then
984 AC_DEFINE(FEATURE_IMAGE_BLOCKING)
986 AC_DEFINE(FEATURE_IMAGE_BLOCKING))
988 AC_ARG_ENABLE(acl-support,
989 [ --disable-acl-support Prevents the use of ACLs to control access to
990 Privoxy by IP address.],
991 [if test $enableval = yes; then
992 AC_DEFINE(FEATURE_ACL)
994 AC_DEFINE(FEATURE_ACL))
996 AC_ARG_ENABLE(trust-files,
997 [ --disable-trust-files Prevents the use of trust files.],
998 [if test $enableval = yes; then
999 AC_DEFINE(FEATURE_TRUST)
1001 AC_DEFINE(FEATURE_TRUST))
1003 AC_ARG_ENABLE(editor,
1004 [ --disable-editor Prevents the use of the web-based actions file
1005 editor and web-based temporary disable setting.],
1006 [if test $enableval = yes; then
1007 AC_DEFINE(FEATURE_CGI_EDIT_ACTIONS)
1009 AC_DEFINE(FEATURE_CGI_EDIT_ACTIONS))
1011 AC_ARG_ENABLE(no-gifs,
1012 [ --enable-no-gifs Use politically correct PNG format instead of GIF
1013 for built-in images. May not work with all browsers.],
1014 [if test $enableval = yes; then
1015 AC_DEFINE(FEATURE_NO_GIFS)
1018 AC_ARG_ENABLE(graceful-termination,
1019 [ --enable-graceful-termination Allow to shutdown Privoxy through the webinterface.],
1020 [if test $enableval = yes; then
1021 AC_DEFINE(FEATURE_GRACEFUL_TERMINATION)
1024 AC_ARG_ENABLE(pcre-host-patterns,
1025 [ --enable-pcre-host-patterns Allow to use PCRE syntax in host patterns by prefixing the pattern with
1026 "PCRE-HOST-PATTERN:". You can use tools/url-pattern-translator.pl to
1027 convert existing action files to use PCRE host patterns.],
1028 [if test $enableval = yes; then
1029 AC_DEFINE(FEATURE_PCRE_HOST_PATTERNS)
1032 AC_ARG_ENABLE(pcre-jit-compilation,
1033 [ --disable-pcre-jit-compilation Don't let pcrs use pcre JIT compilation even if pcre supports it.],
1034 [if test $enableval != yes; then
1035 AC_DEFINE(DISABLE_PCRE_JIT_COMPILATION)
1038 AC_ARG_ENABLE(external-filters,
1039 [ --enable-external-filters Allow to filter content with scripts and programs. Experimental.],
1040 [if test $enableval = yes; then
1041 AC_DEFINE(FEATURE_EXTERNAL_FILTERS,1,[Define to 1 to allow to filter content with scripts and programs.])
1044 AC_ARG_ENABLE(accept-filter,
1045 [ --enable-accept-filter Try to use accf_http(9) if supported.],
1046 [if test $enableval = yes; then
1047 AC_DEFINE(FEATURE_ACCEPT_FILTER)
1050 AC_ARG_ENABLE(strptime-sanity-checks,
1051 [ --enable-strptime-sanity-checks Only trust strptime() results if an additional strftime()/strptime()
1052 conversion doesn't change the result. Can be useful if strptime() is
1053 known or suspected to be broken.],
1054 [if test $enableval = yes; then
1055 AC_DEFINE(FEATURE_STRPTIME_SANITY_CHECKS)
1058 AC_ARG_ENABLE(client-tags,
1059 [ --disable-client-tags Disable support for client-specific tags],
1060 [ if test $enableval = "no"; then have_client_tags=no; fi ])
1061 if test "${have_client_tags}" = "no"; then
1062 echo "Disabling support for client-specific tags."
1063 FEATURE_CLIENT_TAGS_ONLY="#"
1065 echo "Enabling support for client-specific tags."
1066 AC_DEFINE(FEATURE_CLIENT_TAGS,1,[Define to enable support for client-specific tags.])
1067 FEATURE_CLIENT_TAGS_ONLY=""
1069 AC_SUBST(FEATURE_CLIENT_TAGS_ONLY)
1073 [ --enable-fuzz Enable code that makes fuzzing more convenient],
1074 [if test $enableval = yes; then
1076 AC_DEFINE(FUZZ,1,[Define to make fuzzing more convenient.])
1080 dnl pcre/pcrs is needed for CGI anyway, so
1081 dnl the choice is only between static and
1084 AC_ARG_ENABLE(dynamic-pcre,
1085 [ --disable-dynamic-pcre Use the built-in, static pcre, even if libpcre is available],
1086 [ if test $enableval = "no"; then have_pcre=no; fi ])
1088 dnl =================================================
1089 dnl libpcrs is temporarily disabled,
1090 dnl see comment above for the reason.
1091 dnl =================================================
1092 dnl AC_ARG_ENABLE(dynamic-pcrs,
1093 dnl [ --disable-dynamic-pcrs Use the built-in, static pcrs, even if libpcrs is available],
1094 dnl [ if test $enableval = "no"; then have_pcrs=no; fi ])
1097 dnl ====================================================
1098 dnl This check is incomplete. For mingw32 zlib is found
1099 dnl by configure, but not necessarily by the compiler.
1100 dnl ====================================================
1102 [ --disable-zlib Don't use zlib to decompress data before filtering.],
1103 [enableval2=$enableval],
1105 if test $enableval2 = yes; then
1106 AC_CHECK_LIB(z, zlibVersion, [have_zlib="yes"], [have_zlib="no"])
1107 if test $have_zlib = "yes"; then
1109 AC_DEFINE(FEATURE_ZLIB,1,[Define to 1 to use zlib to decompress data before filtering.])
1111 AC_MSG_WARN([No zlib found.
1112 Privoxy will not be able to filter compressed content.
1113 This may become a fatal error in the future.])
1117 AC_ARG_ENABLE(compression,
1118 [ --enable-compression Allow Privoxy to compress buffered content if the client supports it. Requires zlib support.],
1119 [enableval2=$enableval],
1121 if test $enableval2 = yes; then
1122 if test $have_zlib = "yes"; then
1123 echo Enabling compression support.
1124 AC_DEFINE(FEATURE_COMPRESSION,1,[Define to 1 to use compression through the zlib library.])
1126 AC_MSG_WARN([No zlib found. Privoxy will not be able to (re-)compressed buffered content.])
1131 # If we have libpcre and either we also have pcreposix or
1132 # we don't need pcreposix, then link pcre dynamically; else
1133 # build it and link statically
1136 #check for libpcre2 first. then regular pcre
1138 if test $have_pcre2 = "yes"; then
1139 echo "using libpcre2"
1141 LIBS="$LIBS -lpcre2-8 -lpcre2-posix"
1142 if test "$use_static_pcre" = "yes"; then
1144 AC_DEFINE(PCRE2_STATIC,1,[Define to statically link to the pcre2 library on Windows.])
1145 # see pcre2-10.42/src/pcre2.h line 54
1146 # #if defined(_WIN32) && !defined(PCRE2_STATIC)
1147 # # ifndef PCRE2_EXP_DECL
1148 # # define PCRE2_EXP_DECL extern __declspec(dllimport)
1151 # If you want to statically link a program against a PCRE2 library in the form of
1152 # a non-dll .a file, you must define PCRE2_STATIC before including src/pcre2.h.
1153 # Otherwise the exported functions will be declared __declspec(dllimport),
1154 # with unwanted results. eg: build failures with error messages like
1155 # undefined reference to `_imp__pcre2_compile_8'
1158 AC_DEFINE(FEATURE_DYNAMIC_PCRE,1,[Define to dynamically link to pcre.])
1162 if test $have_pcre = "yes"; then
1163 echo "using libpcre"
1165 LIBS="$LIBS -lpcre -lpcreposix"
1166 if test "$use_static_pcre" = "yes"; then
1168 AC_DEFINE(PCRE_STATIC,1,[Define to statically link to pcre library on Windows.])
1169 # see /usr/i686-w64-mingw32/sys-root/mingw/include/pcre.h line 54
1170 # #if defined(_WIN32) && !defined(PCRE_STATIC)
1171 # # ifndef PCRE_EXP_DECL
1172 # # define PCRE_EXP_DECL extern __declspec(dllimport)
1174 # If you want to statically link a program against a PCRE library in the form of
1175 # a non-dll .a file, you must define PCRE_STATIC before including pcre.h or
1176 # pcrecpp.h, otherwise the pcre_malloc() and pcre_free() exported functions will
1177 # be declared __declspec(dllimport), with unwanted results.
1180 AC_DEFINE(FEATURE_DYNAMIC_PCRE,1,[Define to dynamically link to pcre.])
1183 AC_MSG_ERROR(Detected neither pcre2 nor pcre library.)
1187 AC_DEFINE(FEATURE_CONNECTION_KEEP_ALIVE)
1189 if test $have_pthread = "yes" -o $target_type = "mingw"; then
1190 echo Enabling connection-sharing support.
1191 AC_DEFINE(FEATURE_CONNECTION_SHARING)
1194 dnl =================================================
1195 dnl libpcrs is temporarily disabled,
1196 dnl see comment above for the reason.
1197 dnl =================================================
1198 dnl # If we have libpcrs and pcre is linked dynamically
1199 dnl # then also link pcrs dynamically, else build and link
1200 dnl # pcrs statically
1202 dnl if test $have_pcrs = "yes" -a $pcre_dyn = "yes"; then
1203 dnl echo "using libpcrs"
1204 dnl STATIC_PCRS_ONLY=#
1205 dnl LIBS="$LIBS -lpcrs"
1207 dnl echo "using built-in static pcrs"
1208 AC_DEFINE(STATIC_PCRS)
1212 AC_SUBST(STATIC_PCRE_ONLY)
1213 AC_SUBST(STATIC_PCRS_ONLY)
1215 FEATURE_HTTPS_INSPECTION_ONLY=#
1216 dnl ========================================================
1217 dnl check for mbedTLS which can be used for https inspection
1218 dnl ========================================================
1219 FEATURE_HTTPS_INSPECTION_ONLY_MBEDTLS=#
1221 AC_ARG_WITH(mbedtls,dnl
1222 AC_HELP_STRING([--with-mbedtls], [Enable mbedTLS detection for https inspection.])
1223 AC_HELP_STRING([--without-mbedtls], [Disable mbedTLS detection]),
1224 OPT_MBEDTLS=$withval)
1226 if test X"$OPT_MBEDTLS" != Xno; then
1228 AC_CHECK_LIB(mbedtls, mbedtls_ssl_init,
1230 AC_DEFINE(FEATURE_HTTPS_INSPECTION, 1, [if SSL/TLS is enabled])
1231 AC_DEFINE(FEATURE_HTTPS_INSPECTION_MBEDTLS, 1, [if mbedTLS is enabled])
1232 AC_SUBST(FEATURE_HTTPS_INSPECTION_MBEDTLS, [1])
1233 FEATURE_HTTPS_INSPECTION_MBEDTLS="yes"
1234 ], [], -lmbedx509 -lmbedcrypto)
1236 if test "x$FEATURE_HTTPS_INSPECTION_MBEDTLS" = "xyes"; then
1237 AC_MSG_NOTICE([Detected mbedTLS. Enabling https inspection.])
1239 LIBS="-lmbedtls -lmbedx509 -lmbedcrypto $LIBS"
1240 old_CFLAGS_nospecial="-Imbedtls/include $old_CFLAGS_nospecial"
1242 FEATURE_HTTPS_INSPECTION_ONLY=
1243 FEATURE_HTTPS_INSPECTION_ONLY_MBEDTLS=
1246 AC_SUBST(FEATURE_HTTPS_INSPECTION_ONLY_MBEDTLS)
1248 dnl =================================================================
1249 dnl check for OpenSSL/LibreSSL which can be used for https inspection
1250 dnl =================================================================
1251 FEATURE_HTTPS_INSPECTION_ONLY_OPENSSL=#
1253 AC_ARG_WITH(openssl,dnl
1254 AC_HELP_STRING([--with-openssl], [Enable OpenSSL/LibreSSL detection for https inspection.])
1255 AC_HELP_STRING([--without-openssl], [Disable OpenSSL/LibreSSL detection]),
1256 OPT_OPENSSL=$withval)
1258 if test X"$OPT_OPENSSL" != Xno; then
1259 if test X"$OPT_MBEDTLS" != Xno; then
1260 AC_MSG_ERROR([OpenSSL and mbedTLS support can't be enabled at the same time])
1263 if test "$PORTNAME" != "win32"; then
1264 AC_CHECK_LIB(crypto, CRYPTO_new_ex_data, [], [AC_MSG_ERROR([library 'crypto' is required for OpenSSL])])
1266 AC_CHECK_LIB(ssl, OPENSSL_init_ssl, [FOUND_SSL_LIB="yes"])
1267 AC_CHECK_LIB(ssl, SSL_library_init, [FOUND_SSL_LIB="yes"])
1268 AS_IF([test "x$FOUND_SSL_LIB" = xno], [AC_MSG_ERROR([library 'ssl' is required for OpenSSL])])
1270 AC_SEARCH_LIBS(CRYPTO_new_ex_data, eay32 crypto, [], [AC_MSG_ERROR([library 'eay32' or 'crypto' is required for OpenSSL])])
1272 AC_SEARCH_LIBS(OPENSSL_init_ssl, ssleay32 ssl, [FOUND_SSL_LIB="yes"])
1273 AC_SEARCH_LIBS(SSL_library_init, ssleay32 ssl, [FOUND_SSL_LIB="yes"])
1274 AS_IF([test "x$FOUND_SSL_LIB" = xno], [AC_MSG_ERROR([library 'ssleay32' or 'ssl' is required for OpenSSL])])
1277 if test "x$FOUND_SSL_LIB" = xyes; then
1278 AC_DEFINE(FEATURE_HTTPS_INSPECTION, 1, [if SSL/TLS is enabled])
1279 AC_DEFINE(FEATURE_HTTPS_INSPECTION_OPENSSL, 1, [if OpenSSL is enabled])
1280 AC_SUBST(FEATURE_HTTPS_INSPECTION_OPENSSL, [1])
1281 FEATURE_HTTPS_INSPECTION="yes"
1282 FEATURE_HTTPS_INSPECTION_OPENSSL="yes"
1285 if test "x$FEATURE_HTTPS_INSPECTION_OPENSSL" = "xyes"; then
1286 AC_MSG_NOTICE([Detected OpenSSL. Enabling https inspection.])
1287 AC_MSG_WARN([If you intend to redistribute Privoxy, please make sure the "special exception" from section 3 of the GPLv2 applies.])
1289 LIBS="$LIBS -lssl -lcrypto"
1290 old_CFLAGS_nospecial="$old_CFLAGS_nospecial"
1292 FEATURE_HTTPS_INSPECTION_ONLY=
1293 FEATURE_HTTPS_INSPECTION_ONLY_OPENSSL=
1296 AC_SUBST(FEATURE_HTTPS_INSPECTION_ONLY_OPENSSL)
1298 AC_SUBST(FEATURE_HTTPS_INSPECTION_ONLY)
1300 dnl ========================================================
1301 dnl Check for Brotli which can be used for decompression
1302 dnl ========================================================
1305 AC_HELP_STRING([--with-brotli], [Enable Brotli detection])
1306 AC_HELP_STRING([--without-brotli], [Disable Brotli detection]),
1307 WITH_BROTLI=$withval)
1309 if test X"$WITH_BROTLI" != Xno; then
1311 LIBS="$LIBS -lbrotlidec"
1312 if test $target_type = mingw; then
1313 # XXX: why does just the mingw build need this???
1314 LIBS="$LIBS -lbrotlicommon -lbrotlienc"
1317 AC_CHECK_LIB(brotlidec, BrotliDecoderDecompress)
1319 AC_CHECK_HEADERS(brotli/decode.h,
1321 AC_DEFINE(FEATURE_BROTLI, 1, [If Brotli is used for decompression])
1322 AC_SUBST(FEATURE_BROTLI, [1])
1327 dnl =================================================================
1328 dnl Final cleanup and output
1329 dnl =================================================================
1331 dnl Remove the SPECIAL_CFLAGS stuff from CFLAGS, and add it separately
1333 CFLAGS=$old_CFLAGS_nospecial
1334 AC_SUBST(SPECIAL_CFLAGS)
1336 AC_SUBST(PTHREAD_LIB)
1338 AC_OUTPUT(GNUmakefile doc/source/ldp.dsl)