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])
877 if test $try_pcre2 != no; then
878 dnl =================================================================
879 dnl Checks for libraries.
880 dnl =================================================================
881 dnl Note: Some systems may have the library but not the system header
882 dnl file, so we must check for both.
883 dnl Also check for correct version
884 AC_CHECK_LIB(pcre2-8, pcre2_compile_8, [
885 AC_CHECK_HEADER(pcre2.h, [
886 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])
888 AC_CHECK_HEADER(pcre2/pcre2.h, [
889 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])
891 ], [#define PCRE2_CODE_UNIT_WIDTH 8])
894 AC_CHECK_LIB(pcre2-posix, regcomp, [
895 AC_CHECK_HEADER(pcre2posix.h, [
896 AC_EGREP_HEADER(pcre2_regerror, pcre2posix.h, [have_pcre2posix=yes],[AC_MSG_WARN([[pcre2posix old version installed]]); have_pcre2posix=no])
898 AC_CHECK_HEADER(pcre/pcre2posix.h, [
899 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])
900 ], [have_pcre2posix=no])
902 ], [have_pcre2posix=no], -lpcre2-8)
905 if test $have_pcre2 = "no"; then
907 AC_CHECK_LIB(pcre, pcre_compile, [
908 AC_CHECK_HEADER(pcre.h, [
909 AC_EGREP_HEADER(pcre_fullinfo, pcre.h, [have_pcre=yes], [AC_MSG_WARN([[pcre old version installed]]); have_pcre=no])
911 AC_CHECK_HEADER(pcre/pcre.h, [
912 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])
917 AC_CHECK_LIB(pcreposix, regcomp, [
918 AC_CHECK_HEADER(pcreposix.h, [
919 AC_EGREP_HEADER(pcreposix_regerror, pcreposix.h, [AC_MSG_WARN([[pcreposix old version installed]]); have_pcreposix=no], [have_pcreposix=yes])
921 AC_CHECK_HEADER(pcre/pcreposix.h, [
922 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)])
923 ], [have_pcreposix=no])
925 ], [have_pcreposix=no], -lpcre)
928 dnl ================================================================
929 dnl libpcrs is temporarily disabled.
931 dnl Privoxy's own pcrs version fixes some problems that
932 dnl are present in libpcrs 0.3, the last pcrs release we
933 dnl know of, and as libpcrs seems to be currently unmaintained
934 dnl we can't send these fixes upstream.
935 dnl ================================================================
937 dnl AC_CHECK_LIB(pcrs, pcrs_compile, [AC_CHECK_HEADER(pcrs.h, [have_pcrs=yes], [have_pcrs=no])], [have_pcrs=no], -lpcre)
939 dnl =================================================================
941 dnl =================================================================
945 dnl =================================================================
947 dnl =================================================================
949 AC_ARG_ENABLE(toggle,
950 [ --disable-toggle Don't support temporary disable],
951 [if test $enableval = yes; then
952 AC_DEFINE(FEATURE_TOGGLE)
953 fi],AC_DEFINE(FEATURE_TOGGLE))
956 [ --disable-force Don't allow single-page disable],
957 [if test $enableval = yes; then
958 AC_DEFINE(FEATURE_FORCE_LOAD)
959 fi],AC_DEFINE(FEATURE_FORCE_LOAD))
961 AC_ARG_ENABLE(fast-redirects,
962 [ --disable-fast-redirects Don't support fast redirects],
963 [if test $enableval = yes; then
964 AC_DEFINE(FEATURE_FAST_REDIRECTS)
965 fi], AC_DEFINE(FEATURE_FAST_REDIRECTS))
968 [ --disable-stats Don't keep statistics],
969 [if test $enableval = yes; then
970 AC_DEFINE(FEATURE_STATISTICS)
971 fi],AC_DEFINE(FEATURE_STATISTICS))
973 AC_ARG_ENABLE(extended-statistics,
974 [ --enable-extended-statistics Gather extended statistics.],
975 [if test $enableval = yes; then
976 AC_DEFINE(FEATURE_EXTENDED_STATISTICS)
979 AC_ARG_ENABLE(image-blocking,
980 [ --disable-image-blocking Don't try to figure out whether a request is
981 for an image or HTML - assume HTML.],
982 [if test $enableval = yes; then
983 AC_DEFINE(FEATURE_IMAGE_BLOCKING)
985 AC_DEFINE(FEATURE_IMAGE_BLOCKING))
987 AC_ARG_ENABLE(acl-support,
988 [ --disable-acl-support Prevents the use of ACLs to control access to
989 Privoxy by IP address.],
990 [if test $enableval = yes; then
991 AC_DEFINE(FEATURE_ACL)
993 AC_DEFINE(FEATURE_ACL))
995 AC_ARG_ENABLE(trust-files,
996 [ --disable-trust-files Prevents the use of trust files.],
997 [if test $enableval = yes; then
998 AC_DEFINE(FEATURE_TRUST)
1000 AC_DEFINE(FEATURE_TRUST))
1002 AC_ARG_ENABLE(editor,
1003 [ --disable-editor Prevents the use of the web-based actions file
1004 editor and web-based temporary disable setting.],
1005 [if test $enableval = yes; then
1006 AC_DEFINE(FEATURE_CGI_EDIT_ACTIONS)
1008 AC_DEFINE(FEATURE_CGI_EDIT_ACTIONS))
1010 AC_ARG_ENABLE(no-gifs,
1011 [ --enable-no-gifs Use politically correct PNG format instead of GIF
1012 for built-in images. May not work with all browsers.],
1013 [if test $enableval = yes; then
1014 AC_DEFINE(FEATURE_NO_GIFS)
1017 AC_ARG_ENABLE(graceful-termination,
1018 [ --enable-graceful-termination Allow to shutdown Privoxy through the webinterface.],
1019 [if test $enableval = yes; then
1020 AC_DEFINE(FEATURE_GRACEFUL_TERMINATION)
1023 AC_ARG_ENABLE(pcre-host-patterns,
1024 [ --enable-pcre-host-patterns Allow to use PCRE syntax in host patterns by prefixing the pattern with
1025 "PCRE-HOST-PATTERN:". You can use tools/url-pattern-translator.pl to
1026 convert existing action files to use PCRE host patterns.],
1027 [if test $enableval = yes; then
1028 AC_DEFINE(FEATURE_PCRE_HOST_PATTERNS)
1031 AC_ARG_ENABLE(pcre-jit-compilation,
1032 [ --disable-pcre-jit-compilation Don't let pcrs use pcre JIT compilation even if pcre supports it.],
1033 [if test $enableval != yes; then
1034 AC_DEFINE(DISABLE_PCRE_JIT_COMPILATION)
1037 AC_ARG_ENABLE(external-filters,
1038 [ --enable-external-filters Allow to filter content with scripts and programs. Experimental.],
1039 [if test $enableval = yes; then
1040 AC_DEFINE(FEATURE_EXTERNAL_FILTERS,1,[Define to 1 to allow to filter content with scripts and programs.])
1043 AC_ARG_ENABLE(accept-filter,
1044 [ --enable-accept-filter Try to use accf_http(9) if supported.],
1045 [if test $enableval = yes; then
1046 AC_DEFINE(FEATURE_ACCEPT_FILTER)
1049 AC_ARG_ENABLE(strptime-sanity-checks,
1050 [ --enable-strptime-sanity-checks Only trust strptime() results if an additional strftime()/strptime()
1051 conversion doesn't change the result. Can be useful if strptime() is
1052 known or suspected to be broken.],
1053 [if test $enableval = yes; then
1054 AC_DEFINE(FEATURE_STRPTIME_SANITY_CHECKS)
1057 AC_ARG_ENABLE(client-tags,
1058 [ --disable-client-tags Disable support for client-specific tags],
1059 [ if test $enableval = "no"; then have_client_tags=no; fi ])
1060 if test "${have_client_tags}" = "no"; then
1061 echo "Disabling support for client-specific tags."
1062 FEATURE_CLIENT_TAGS_ONLY="#"
1064 echo "Enabling support for client-specific tags."
1065 AC_DEFINE(FEATURE_CLIENT_TAGS,1,[Define to enable support for client-specific tags.])
1066 FEATURE_CLIENT_TAGS_ONLY=""
1068 AC_SUBST(FEATURE_CLIENT_TAGS_ONLY)
1072 [ --enable-fuzz Enable code that makes fuzzing more convenient],
1073 [if test $enableval = yes; then
1075 AC_DEFINE(FUZZ,1,[Define to make fuzzing more convenient.])
1079 dnl pcre/pcrs is needed for CGI anyway, so
1080 dnl the choice is only between static and
1083 AC_ARG_ENABLE(dynamic-pcre,
1084 [ --disable-dynamic-pcre Use the built-in, static pcre, even if libpcre is available],
1085 [ if test $enableval = "no"; then have_pcre=no; fi ])
1087 dnl =================================================
1088 dnl libpcrs is temporarily disabled,
1089 dnl see comment above for the reason.
1090 dnl =================================================
1091 dnl AC_ARG_ENABLE(dynamic-pcrs,
1092 dnl [ --disable-dynamic-pcrs Use the built-in, static pcrs, even if libpcrs is available],
1093 dnl [ if test $enableval = "no"; then have_pcrs=no; fi ])
1096 dnl ====================================================
1097 dnl This check is incomplete. For mingw32 zlib is found
1098 dnl by configure, but not necessarily by the compiler.
1099 dnl ====================================================
1101 [ --disable-zlib Don't use zlib to decompress data before filtering.],
1102 [enableval2=$enableval],
1104 if test $enableval2 = yes; then
1105 AC_CHECK_LIB(z, zlibVersion, [have_zlib="yes"], [have_zlib="no"])
1106 if test $have_zlib = "yes"; then
1108 AC_DEFINE(FEATURE_ZLIB,1,[Define to 1 to use zlib to decompress data before filtering.])
1110 AC_MSG_WARN([No zlib found.
1111 Privoxy will not be able to filter compressed content.
1112 This may become a fatal error in the future.])
1116 AC_ARG_ENABLE(compression,
1117 [ --enable-compression Allow Privoxy to compress buffered content if the client supports it. Requires zlib support.],
1118 [enableval2=$enableval],
1120 if test $enableval2 = yes; then
1121 if test $have_zlib = "yes"; then
1122 echo Enabling compression support.
1123 AC_DEFINE(FEATURE_COMPRESSION,1,[Define to 1 to use compression through the zlib library.])
1125 AC_MSG_WARN([No zlib found. Privoxy will not be able to (re-)compressed buffered content.])
1130 # If we have libpcre and either we also have pcreposix or
1131 # we don't need pcreposix, then link pcre dynamically; else
1132 # build it and link statically
1135 #check for libpcre2 first. then regular pcre
1137 if test $have_pcre2 = "yes"; then
1138 echo "using libpcre2"
1140 LIBS="$LIBS -lpcre2-8 -lpcre2-posix"
1141 if test "$use_static_pcre" = "yes"; then
1143 AC_DEFINE(PCRE_STATIC,1,[Define to statically link to pcre library on Windows.])
1144 # see /usr/i686-w64-mingw32/sys-root/mingw/include/pcre.h line 54
1145 # #if defined(_WIN32) && !defined(PCRE_STATIC)
1146 # # ifndef PCRE_EXP_DECL
1147 # # define PCRE_EXP_DECL extern __declspec(dllimport)
1149 # If you want to statically link a program against a PCRE library in the form of
1150 # a non-dll .a file, you must define PCRE_STATIC before including pcre.h or
1151 # pcrecpp.h, otherwise the pcre_malloc() and pcre_free() exported functions will
1152 # be declared __declspec(dllimport), with unwanted results.
1155 AC_DEFINE(FEATURE_DYNAMIC_PCRE,1,[Define to dynamically link to pcre.])
1159 if test $have_pcre = "yes"; then
1160 echo "using libpcre"
1162 LIBS="$LIBS -lpcre -lpcreposix"
1163 if test "$use_static_pcre" = "yes"; then
1165 AC_DEFINE(PCRE_STATIC,1,[Define to statically link to pcre library on Windows.])
1166 # see /usr/i686-w64-mingw32/sys-root/mingw/include/pcre.h line 54
1167 # #if defined(_WIN32) && !defined(PCRE_STATIC)
1168 # # ifndef PCRE_EXP_DECL
1169 # # define PCRE_EXP_DECL extern __declspec(dllimport)
1171 # If you want to statically link a program against a PCRE library in the form of
1172 # a non-dll .a file, you must define PCRE_STATIC before including pcre.h or
1173 # pcrecpp.h, otherwise the pcre_malloc() and pcre_free() exported functions will
1174 # be declared __declspec(dllimport), with unwanted results.
1177 AC_DEFINE(FEATURE_DYNAMIC_PCRE,1,[Define to dynamically link to pcre.])
1180 AC_MSG_ERROR(Detected neither pcre2 nor pcre library.)
1184 AC_DEFINE(FEATURE_CONNECTION_KEEP_ALIVE)
1186 if test $have_pthread = "yes" -o $target_type = "mingw"; then
1187 echo Enabling connection-sharing support.
1188 AC_DEFINE(FEATURE_CONNECTION_SHARING)
1191 dnl =================================================
1192 dnl libpcrs is temporarily disabled,
1193 dnl see comment above for the reason.
1194 dnl =================================================
1195 dnl # If we have libpcrs and pcre is linked dynamically
1196 dnl # then also link pcrs dynamically, else build and link
1197 dnl # pcrs statically
1199 dnl if test $have_pcrs = "yes" -a $pcre_dyn = "yes"; then
1200 dnl echo "using libpcrs"
1201 dnl STATIC_PCRS_ONLY=#
1202 dnl LIBS="$LIBS -lpcrs"
1204 dnl echo "using built-in static pcrs"
1205 AC_DEFINE(STATIC_PCRS)
1209 AC_SUBST(STATIC_PCRE_ONLY)
1210 AC_SUBST(STATIC_PCRS_ONLY)
1212 FEATURE_HTTPS_INSPECTION_ONLY=#
1213 dnl ========================================================
1214 dnl check for mbedTLS which can be used for https inspection
1215 dnl ========================================================
1216 FEATURE_HTTPS_INSPECTION_ONLY_MBEDTLS=#
1218 AC_ARG_WITH(mbedtls,dnl
1219 AC_HELP_STRING([--with-mbedtls], [Enable mbedTLS detection for https inspection.])
1220 AC_HELP_STRING([--without-mbedtls], [Disable mbedTLS detection]),
1221 OPT_MBEDTLS=$withval)
1223 if test X"$OPT_MBEDTLS" != Xno; then
1225 AC_CHECK_LIB(mbedtls, mbedtls_ssl_init,
1227 AC_DEFINE(FEATURE_HTTPS_INSPECTION, 1, [if SSL/TLS is enabled])
1228 AC_DEFINE(FEATURE_HTTPS_INSPECTION_MBEDTLS, 1, [if mbedTLS is enabled])
1229 AC_SUBST(FEATURE_HTTPS_INSPECTION_MBEDTLS, [1])
1230 FEATURE_HTTPS_INSPECTION_MBEDTLS="yes"
1231 ], [], -lmbedx509 -lmbedcrypto)
1233 if test "x$FEATURE_HTTPS_INSPECTION_MBEDTLS" = "xyes"; then
1234 AC_MSG_NOTICE([Detected mbedTLS. Enabling https inspection.])
1236 LIBS="-lmbedtls -lmbedx509 -lmbedcrypto $LIBS"
1237 old_CFLAGS_nospecial="-Imbedtls/include $old_CFLAGS_nospecial"
1239 FEATURE_HTTPS_INSPECTION_ONLY=
1240 FEATURE_HTTPS_INSPECTION_ONLY_MBEDTLS=
1243 AC_SUBST(FEATURE_HTTPS_INSPECTION_ONLY_MBEDTLS)
1245 dnl =================================================================
1246 dnl check for OpenSSL/LibreSSL which can be used for https inspection
1247 dnl =================================================================
1248 FEATURE_HTTPS_INSPECTION_ONLY_OPENSSL=#
1250 AC_ARG_WITH(openssl,dnl
1251 AC_HELP_STRING([--with-openssl], [Enable OpenSSL/LibreSSL detection for https inspection.])
1252 AC_HELP_STRING([--without-openssl], [Disable OpenSSL/LibreSSL detection]),
1253 OPT_OPENSSL=$withval)
1255 if test X"$OPT_OPENSSL" != Xno; then
1256 if test X"$OPT_MBEDTLS" != Xno; then
1257 AC_MSG_ERROR([OpenSSL and mbedTLS support can't be enabled at the same time])
1260 if test "$PORTNAME" != "win32"; then
1261 AC_CHECK_LIB(crypto, CRYPTO_new_ex_data, [], [AC_MSG_ERROR([library 'crypto' is required for OpenSSL])])
1263 AC_CHECK_LIB(ssl, OPENSSL_init_ssl, [FOUND_SSL_LIB="yes"])
1264 AC_CHECK_LIB(ssl, SSL_library_init, [FOUND_SSL_LIB="yes"])
1265 AS_IF([test "x$FOUND_SSL_LIB" = xno], [AC_MSG_ERROR([library 'ssl' is required for OpenSSL])])
1267 AC_SEARCH_LIBS(CRYPTO_new_ex_data, eay32 crypto, [], [AC_MSG_ERROR([library 'eay32' or 'crypto' is required for OpenSSL])])
1269 AC_SEARCH_LIBS(OPENSSL_init_ssl, ssleay32 ssl, [FOUND_SSL_LIB="yes"])
1270 AC_SEARCH_LIBS(SSL_library_init, ssleay32 ssl, [FOUND_SSL_LIB="yes"])
1271 AS_IF([test "x$FOUND_SSL_LIB" = xno], [AC_MSG_ERROR([library 'ssleay32' or 'ssl' is required for OpenSSL])])
1274 if test "x$FOUND_SSL_LIB" = xyes; then
1275 AC_DEFINE(FEATURE_HTTPS_INSPECTION, 1, [if SSL/TLS is enabled])
1276 AC_DEFINE(FEATURE_HTTPS_INSPECTION_OPENSSL, 1, [if OpenSSL is enabled])
1277 AC_SUBST(FEATURE_HTTPS_INSPECTION_OPENSSL, [1])
1278 FEATURE_HTTPS_INSPECTION="yes"
1279 FEATURE_HTTPS_INSPECTION_OPENSSL="yes"
1282 if test "x$FEATURE_HTTPS_INSPECTION_OPENSSL" = "xyes"; then
1283 AC_MSG_NOTICE([Detected OpenSSL. Enabling https inspection.])
1284 AC_MSG_WARN([If you intend to redistribute Privoxy, please make sure the "special exception" from section 3 of the GPLv2 applies.])
1286 LIBS="$LIBS -lssl -lcrypto"
1287 old_CFLAGS_nospecial="$old_CFLAGS_nospecial"
1289 FEATURE_HTTPS_INSPECTION_ONLY=
1290 FEATURE_HTTPS_INSPECTION_ONLY_OPENSSL=
1293 AC_SUBST(FEATURE_HTTPS_INSPECTION_ONLY_OPENSSL)
1295 AC_SUBST(FEATURE_HTTPS_INSPECTION_ONLY)
1297 dnl ========================================================
1298 dnl Check for Brotli which can be used for decompression
1299 dnl ========================================================
1302 AC_HELP_STRING([--with-brotli], [Enable Brotli detection])
1303 AC_HELP_STRING([--without-brotli], [Disable Brotli detection]),
1304 WITH_BROTLI=$withval)
1306 if test X"$WITH_BROTLI" != Xno; then
1308 LIBS="$LIBS -lbrotlidec"
1309 if test $target_type = mingw; then
1310 # XXX: why does just the mingw build need this???
1311 LIBS="$LIBS -lbrotlicommon -lbrotlienc"
1314 AC_CHECK_LIB(brotlidec, BrotliDecoderDecompress)
1316 AC_CHECK_HEADERS(brotli/decode.h,
1318 AC_DEFINE(FEATURE_BROTLI, 1, [If Brotli is used for decompression])
1319 AC_SUBST(FEATURE_BROTLI, [1])
1324 dnl =================================================================
1325 dnl Final cleanup and output
1326 dnl =================================================================
1328 dnl Remove the SPECIAL_CFLAGS stuff from CFLAGS, and add it separately
1330 CFLAGS=$old_CFLAGS_nospecial
1331 AC_SUBST(SPECIAL_CFLAGS)
1333 AC_SUBST(PTHREAD_LIB)
1335 AC_OUTPUT(GNUmakefile doc/source/ldp.dsl)