1 dnl Process this file with autoconf to produce a configure script.
3 dnl Written by and Copyright (C) 2001-2020 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 "$with_docbook" in
66 AC_ARG_WITH(db2html, dnl
67 --with-db2html=<path/executable>
68 Set the location of the docbook to html converter
69 (default = search),[dnl
73 dnl =================================================================
74 dnl Application version number
75 dnl =================================================================
76 dnl CODE_STATUS can be "alpha", "beta", "stable" or "UNRELEASED",
77 dnl and will be used for CGI output. Increment version number and
78 dnl set status to "UNRELEASED" whenever git differs from the last
79 dnl release and no new release is near.
84 CODE_STATUS="UNRELEASED"
86 dnl Timestamp (date +%s) used by the mtree-spec target.
87 dnl Should be updated before releases but forgetting it isn't critical.
88 SOURCE_DATE_EPOCH=1605695571
90 dnl =================================================================
91 dnl Substitute the version numbers
92 dnl =================================================================
94 AC_SUBST(VERSION_MAJOR)
95 AC_SUBST(VERSION_MINOR)
96 AC_SUBST(VERSION_POINT)
98 AC_SUBST(SOURCE_DATE_EPOCH)
101 AC_DEFINE_UNQUOTED(VERSION_MAJOR,${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 dnl =================================================================
161 dnl Check for user and group validity
162 dnl =================================================================
165 if test "$host_os" = haiku; then
166 echo "Skipping user and group validity stuff.";
170 $ID privoxy >/dev/null 2>/dev/null
171 if test $? -ne 0 ; then
172 AC_MSG_WARN(There is no user 'privoxy' on this system)
174 AC_MSG_CHECKING([for user])
176 [ --with-user=privoxy Set user under which privoxy will run],
178 if test "x$withval" != "xyes"; then
179 if test $ID = no ; then
180 AC_MSG_ERROR(There is no 'id' program on this system)
182 AC_MSG_RESULT($with_user)
183 $ID $with_user 2>/dev/null >/dev/null
184 if test $? -eq 0 ; then
187 AC_MSG_ERROR(There is no user '$with_user' on this system)
191 AC_MSG_ERROR(We need a user if you give me this parameter)
195 if test $ID = no ; then
196 AC_MSG_ERROR(There is no 'id' programm on this system)
198 AC_MSG_RESULT(none specified)
205 AC_MSG_CHECKING([for group])
207 [ --with-group=privoxy Set group for privoxy],
209 if test "x$withval" != "xyes"; then
210 if test $BGROUPS = no ; then
211 AC_MSG_ERROR(There is no 'groups' program on this system)
213 AC_MSG_RESULT($with_group)
214 $BGROUPS $USER >/dev/null
215 if test $? -eq 0 ; then
216 for i in `$BGROUPS $USER | sed 's/.*: //' 2>/dev/null`; do
217 if test "x$i" = "x$with_group" ; then
222 if test "x$GROUP" != "x$with_group" ; then
223 AC_MSG_ERROR(The given value '$withval' does not match group entry)
226 AC_MSG_ERROR(There is no group entry for user '$USER')
230 AC_MSG_ERROR(We need a group if you give me this parameter)
234 if test $BGROUPS = no ; then
235 AC_MSG_ERROR(There is no 'groups' programm on this system)
237 AC_MSG_RESULT(none specified)
246 dnl =================================================================
247 dnl additional gcc flags
248 dnl =================================================================
251 if test "$host" != "powerpc-unknown-amigaos"; then
252 CFLAGS="-pipe $CFLAGS"
257 dnl =================================================================
259 dnl =================================================================
261 dnl Must do this first.
263 dnl Reason: This sets CFLAGS in order to switch the Cygwin compiler
264 dnl into Cygwin or MinGW32 modes. Depending on the mode selected,
265 dnl the compiler will use completely different sets of library
266 dnl and include files.
268 dnl =================================================================
273 if test "$MINGW32" = "yes"; then
276 if test "$CYGWIN" = "yes"; then
283 if test $dodk = auto; then
285 if test $target_type = unix; then
287 linux* | gnu* | *bsd*)
294 dnl Decide what to do based on target_type
295 dnl Note: PTHREAD_LIB is always set, even if pthread is disabled.
296 dnl This is because we don't know yet whether pthread is enabled.
298 AC_ARG_ENABLE(mingw32,
299 [ --enable-mingw32 Use mingw32 for a Windows GUI],
300 [if test $enableval = yes; then
304 if test $target_type = mingw; then
306 CFLAGS="$CFLAGS -DWINVER=0x501"
307 SPECIAL_CFLAGS="-mwindows"
308 dnl from the cygwin FAQ: The regular setup allows you to use the -mwindows option
309 dnl to include a set of the basic libraries user32, gdi32 and comdlg32.
310 dnl (and also make your program a GUI program instead of a console program)
311 PTHREAD_LIB=-lpthread
312 echo "Using mingw32 (Win32 GUI)"
315 if test $target_type = cygwin; then
316 SPECIAL_CFLAGS="-mno-win32"
318 echo "Using Cygnus (Win32 command line)"
321 PTHREAD_LIB=-lpthread
326 if test $dodk != no; then
327 AC_CHECK_PROGS(W3M, w3m, false)
328 if test "$W3M" = false; then
329 AC_MSG_WARN(You need w3m to build text documentation.)
331 if test $DB2HTML = false; then
332 dnl We need to clean the variable, otherwise AC_CHECK_PROGS
335 AC_CHECK_PROGS(DB2HTML,db2html docbook2html,false)
341 dnl If we use rpm, we need to check where %_topdir is
342 AC_CHECK_PROGS(RPMBIN,rpm,false)
343 if test $RPMBIN != false; then
344 RPM_BASE=`rpm --eval "%{_topdir}"`
345 if test "$RPM_BASE" = ""; then
346 RPM_BASE=/usr/src/redhat
351 dnl prefer openjade to jade
352 dnl Check for jade, so we can build the documentation
353 AC_CHECK_PROGS(JADEBIN,openjade jade,false)
356 dnl Prefer OpenSP to SP
357 dnl ref: https://lists.privoxy.org/pipermail/privoxy-devel/2018-November/000293.html
358 AC_CHECK_PROGS(NSGMLS,onsgmls nsgmls,false)
361 dnl Check for man2html for docs.
362 AC_CHECK_PROGS(MAN2HTML,man2html,false)
365 dnl Set doc status flag for conditional content inclusions
366 DOC_STATUS=p-not-stable
367 if test $CODE_STATUS = stable; then
368 DOC_STATUS="p-stable"
372 dnl Checking for the docbook.dsl stylesheet file
373 dnl It is still not portable (directory slash)
375 if test $dodk = yes; then
376 if test $DKPREFIX = none; then
377 for i in /usr/share/sgml/docbook/dsssl-stylesheets \
378 /usr/share/sgml/docbkdsl /usr/share/sgml/docbook-dsssl \
379 /usr/local/share/sgml/docbook/dsssl/modular \
380 /usr/share/sgml/docbook/stylesheet/dsssl/modular/ \
382 dnl echo -n does not fly with /bin/sh.
383 dnl echo -n "checking for $i/html/docbook.dsl..."
384 AC_MSG_CHECKING([for $i])
385 if test -f $i/html/docbook.dsl; then
393 # where are the catalogs?
394 for i in /usr/share/sgml/CATALOG.docbk30 \
395 /usr/share/sgml/CATALOG.docbk31 \
396 /usr/share/sgml/CATALOG.docbk31 \
397 /usr/local/share/sgml/docbook/2.4.1/docbook.cat \
398 /usr/local/share/sgml/docbook/3.0/docbook.cat \
399 /usr/local/share/sgml/docbook/3.1/docbook.cat \
400 /usr/share/sgml/docbook/dtd/3.1/docbook.cat \
402 dnl echo -n "checking for $i..."
403 AC_MSG_CHECKING([for $i])
406 JADECAT="$JADECAT -c $i"
416 AC_ARG_ENABLE(large-file-support,
417 [ --enable-large-file-support Define _LARGE_FILES and friends.
418 Required by some systems to support files larger then 2GB.],
419 [if test $enableval = yes; then
420 CFLAGS="$CFLAGS -D_FILE_OFFSET_BITS=64 -D_LARGE_FILES -D_LARGEFILE_SOURCE=1"
423 AC_ARG_ENABLE(static-linking,
424 [ --enable-static-linking Use static linking instead of dynamic linking (ie. LDFLAGS=-static)],
425 [ if test $enableval = yes; then LDFLAGS="$LDFLAGS -static"; fi ])
427 dnl Save old CFLAGS so we can restore them later, then add SPECIAL_CFLAGS
428 old_CFLAGS_nospecial=$CFLAGS
429 CFLAGS="$CFLAGS $SPECIAL_CFLAGS"
431 # Hack to force AutoConf to use the CFLAGS we just set
432 dnl Warning: This may break with a future version of Autoconf
433 dnl Tested with autoconf 2.13
434 ac_cpp='$CPP $CPPFLAGS $SPECIAL_CFLAGS'
435 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5'
436 ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5'
439 dnl =================================================================
441 dnl =================================================================
443 AC_CHECK_HEADER(pthread.h, [have_pthread=yes], [have_pthread=no])
445 AC_ARG_ENABLE(pthread,
446 [ --disable-pthread Don't use POSIX threads (pthreads)],
447 [if test $enableval = no; then
449 if test $have_pthread = yes; then
450 AC_MSG_WARN([pthreads seem to be available but you are using --disable-pthread.])
451 AC_MSG_WARN([This is almost always a mistake and can render Privoxy unacceptable slow.])
456 if test $have_pthread = yes; then
458 AC_DEFINE(FEATURE_PTHREAD)
459 echo Using POSIX threads
460 if test "$GCC" = "yes"; then
461 # Set a GCC specific switch:
462 if test "$target_type" = "unix"; then
463 ac_jgf_save_CFLAGS=$CFLAGS
464 CFLAGS="$CFLAGS -pthread"
465 AC_TRY_LINK([#include <pthread.h>],
466 [void *p = pthread_create;],
468 # This compiler switch makes GCC on Linux thread-safe
469 # However, it's not supported on most other OS.
471 SPECIAL_CFLAGS="-pthread"
473 CFLAGS=$ac_jgf_save_CFLAGS
478 echo Using native threads
481 AC_SUBST(PTHREAD_ONLY)
483 dnl =================================================================
484 dnl On most platforms select() does not support fd numbers above
485 dnl FD_SETSIZE, as a result Privoxy can't handle more than
486 dnl approximately FD_SETSIZE/2 client connections.
487 dnl On some platforms the value can be changed at compile time,
488 dnl on others it's hardcoded and requires recompilation of the OS.
489 dnl Only relevant if select() is actually being used.
490 dnl =================================================================
491 AC_ARG_WITH(fdsetsize,
492 [ --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().],
494 if test "x$withval" != "xyes"; then
495 AC_DEFINE_UNQUOTED(FD_SETSIZE,$with_fdsetsize,[Relevant for select(). Not honoured by all OS.])
496 echo "Redefining FD_SETSIZE to $with_fdsetsize."
497 AC_MSG_WARN(On platforms that don't support FD_SETSIZE redefinition it may cause memory corruption.)
499 AC_MSG_ERROR(--with-fdsetsize used without value)
504 dnl =================================================================
505 dnl Support for thread-safe versions of gethostbyaddr, gethostbyname,
506 dnl gmtime and localtime
507 dnl =================================================================
509 dnl Next line needed to find the gethost*_r functions on Solaris
510 AC_CHECK_LIB(nsl, gethostbyname)
512 AC_CHECK_FUNC(gethostbyaddr_r, [
513 AC_MSG_CHECKING([signature of gethostbyaddr_r])
517 struct hostent *h, *hp;
520 (void) gethostbyaddr_r(a, l, t, h, b, bl, &hp, &e)
522 AC_DEFINE(HAVE_GETHOSTBYADDR_R_8_ARGS)
523 AC_MSG_RESULT([8 args])
531 (void) gethostbyaddr_r(a, l, t, h, b, bl, &e)
533 AC_DEFINE(HAVE_GETHOSTBYADDR_R_7_ARGS)
534 AC_MSG_RESULT([7 args])
539 struct hostent_data *d;
543 (void) gethostbyaddr_r(a, l, t, h, d)
545 AC_DEFINE(HAVE_GETHOSTBYADDR_R_5_ARGS)
546 AC_MSG_RESULT([5 args])
548 AC_MSG_RESULT(unrecognised)
556 AC_CHECK_FUNC(gethostbyname_r, [
557 AC_MSG_CHECKING([signature of gethostbyname_r])
561 struct hostent *h, *r;
564 (void) gethostbyname_r(n, h, b, bl, &r, &e)
566 AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARGS)
567 AC_MSG_RESULT([6 args])
575 (void) gethostbyname_r(n, h, b, bl, &e)
577 AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARGS)
578 AC_MSG_RESULT([5 args])
583 struct hostent_data *d;
586 (void) gethostbyname_r(n, h, d)
588 AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARGS)
589 AC_MSG_RESULT([3 args])
591 AC_MSG_RESULT(unrecognised)
599 AC_CHECK_FUNC(gmtime_r, [
600 AC_MSG_CHECKING([signature of gmtime_r])
606 (void) gmtime_r(t, tm)
609 AC_DEFINE(HAVE_GMTIME_R)
611 AC_MSG_RESULT(unrecognised)
617 AC_CHECK_FUNC(localtime_r, [
618 AC_MSG_CHECKING([signature of localtime_r])
624 (void) localtime_r(t, tm)
627 AC_DEFINE(HAVE_LOCALTIME_R)
629 AC_MSG_RESULT(unrecognised)
635 dnl =================================================================
637 dnl FIXME: Not tested on Solaris yet...
638 dnl ISFIXED: Have tested it on Solaris, but there are other ways to
639 dnl make these checks generic, e.g.:
640 dnl AC_CHECK_FUNC(getsockopt, , AC_CHECK_LIB(socket, getsockopt))
641 dnl (Moritz Barsnick <moritz@barsnick.net>)
642 dnl =================================================================
648 *-solaris*) SOCKET_LIB="-lsocket -lnsl"
649 AC_DEFINE(__EXTENSIONS__)
650 if test "$GCC" = "yes"; then
651 # Set a GCC specific switch:
652 # This compiler switch makes Solaris thread-safe
654 SPECIAL_CFLAGS="-pthreads"
656 # What do we do without GCC? Guess this:
657 SPECIAL_CFLAGS="-D_REENTRANT"
664 dnl =================================================================
665 dnl Solaris problem, and others perhaps (socklen_t is undefined)
666 dnl =================================================================
668 if test $target_type != mingw; then
669 # i686-w64-mingw32-gcc gets socklen_t define from ws2tcpip.h
671 AC_MSG_CHECKING([for socklen_t])
672 AC_EGREP_HEADER(socklen_t, sys/socket.h, AC_MSG_RESULT([yes]),
674 AC_DEFINE(socklen_t,int,
675 [ Define to 'int' if <sys/socket.h> doesn't have it. ]))
679 dnl =================================================================
681 dnl =================================================================
684 *-os2-emx*) SOCKET_LIB=-lsocket
690 dnl =================================================================
692 dnl =================================================================
695 *-apple-darwin*) SPECIAL_CFLAGS="-Dunix"
699 dnl =================================================================
701 dnl =================================================================
704 *-openbsd*) SPECIAL_CFLAGS="$SPECIAL_CFLAGS -Dunix"
708 dnl =================================================================
710 dnl =================================================================
712 if test "$host_os" = haiku; then
713 # Omit the "-pthread" flag to gcc, even when building with gcc 2.95
716 # Haiku's pthreads implementation exists in its system library,
717 # libroot, not in a separate pthreads library
720 # Networking code exists in libnetwork
723 # Search Haiku's common-library folder to find its pcre and
724 # pcreposix libraries
725 LIBS="-L/boot/common/lib $LIBS"
728 dnl =================================================================
729 dnl Check for standard compiler stuff
730 dnl =================================================================
741 AC_CHECK_SIZEOF(int, 4)
742 AC_CHECK_SIZEOF(char *, 4)
743 AC_CHECK_SIZEOF(long, 4)
744 AC_CHECK_SIZEOF(long long, 8)
745 AC_CHECK_SIZEOF(size_t, 4)
746 AC_CHECK_SIZEOF(time_t, 8)
748 dnl Checks for header files.
769 dnl Checks for library functions.
770 dnl bcopy is for PCRE
771 AC_CHECK_FUNCS([bcopy])
772 AC_PROG_GCC_TRADITIONAL
811 dnl Checks for RFC 2553 resolver and socket functions
812 AC_ARG_ENABLE(ipv6-support,
813 [ --disable-ipv6-support Disable IPv6 support and other RFC-2554-related improvements],
814 [if test $enableval = yes; then
815 enable_ipv6_support=yes
816 fi], enable_ipv6_support=yes)
818 if test $enable_ipv6_support != yes; then
819 AC_MSG_WARN([Skipping checks for IPv6 support and other RFC-2554-related improvements.
820 Due to lock contention, this may result in slower DNS resolution for IPv4 setups, too.])
821 elif test $target_type = mingw; then
822 AC_CHECK_LIB(ws2_32, main)
824 AC_MSG_CHECKING(getaddrinfo in ws2_32)
831 [getaddrinfo(0,0,0,0)],
832 have_ws2_32_getaddrinfo=yes
834 AC_MSG_RESULT($have_ws2_32_getaddrinfo)
836 AC_MSG_CHECKING(getnameinfo in ws2_32)
843 [getnameinfo(0,0,0,0,0,0,0)],
844 have_ws2_32_getnameinfo=yes
846 AC_MSG_RESULT($have_ws2_32_getnameinfo)
848 if test $have_ws2_32_getaddrinfo ; then
849 if test $have_ws2_32_getnameinfo ; then
850 AC_DEFINE([HAVE_RFC2553], [1],
851 [Define if RFC 2553 resolver functions like getaddrinfo(3) and
852 getnameinfo(3) present])
856 AC_CHECK_FUNC([getaddrinfo],
857 [AC_CHECK_FUNC([getnameinfo],
858 [AC_DEFINE([HAVE_RFC2553], [1],
859 [Define if RFC 2553 resolver functions like getaddrinfo(3) and
860 getnameinfo(3) present])
865 dnl =================================================================
866 dnl Checks for libraries.
867 dnl =================================================================
868 dnl Note: Some systems may have the library but not the system header
869 dnl file, so we must check for both.
870 dnl Also check for correct version
871 AC_CHECK_LIB(pcre, pcre_compile, [
872 AC_CHECK_HEADER(pcre.h, [
873 AC_EGREP_HEADER(pcre_fullinfo, pcre.h, [have_pcre=yes], [AC_MSG_WARN([[pcre old version installed]]); have_pcre=no])
875 AC_CHECK_HEADER(pcre/pcre.h, [
876 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])
881 AC_CHECK_LIB(pcreposix, regcomp, [
882 AC_CHECK_HEADER(pcreposix.h, [
883 AC_EGREP_HEADER(pcreposix_regerror, pcreposix.h, [AC_MSG_WARN([[pcreposix old version installed]]); have_pcreposix=no], [have_pcreposix=yes])
885 AC_CHECK_HEADER(pcre/pcreposix.h, [
886 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)])
887 ], [have_pcreposix=no])
889 ], [have_pcreposix=no], -lpcre)
891 dnl ================================================================
892 dnl libpcrs is temporarily disabled.
894 dnl Privoxy's own pcrs version fixes some problems that
895 dnl are present in libpcrs 0.3, the last pcrs release we
896 dnl know of, and as libpcrs seems to be currently unmaintained
897 dnl we can't send these fixes upstream.
898 dnl ================================================================
900 dnl AC_CHECK_LIB(pcrs, pcrs_compile, [AC_CHECK_HEADER(pcrs.h, [have_pcrs=yes], [have_pcrs=no])], [have_pcrs=no], -lpcre)
902 dnl =================================================================
904 dnl =================================================================
908 dnl =================================================================
910 dnl =================================================================
912 AC_ARG_ENABLE(toggle,
913 [ --disable-toggle Don't support temporary disable],
914 [if test $enableval = yes; then
915 AC_DEFINE(FEATURE_TOGGLE)
916 fi],AC_DEFINE(FEATURE_TOGGLE))
919 [ --disable-force Don't allow single-page disable],
920 [if test $enableval = yes; then
921 AC_DEFINE(FEATURE_FORCE_LOAD)
922 fi],AC_DEFINE(FEATURE_FORCE_LOAD))
924 AC_ARG_ENABLE(fast-redirects,
925 [ --disable-fast-redirects Don't support fast redirects],
926 [if test $enableval = yes; then
927 AC_DEFINE(FEATURE_FAST_REDIRECTS)
928 fi], AC_DEFINE(FEATURE_FAST_REDIRECTS))
931 [ --disable-stats Don't keep statistics],
932 [if test $enableval = yes; then
933 AC_DEFINE(FEATURE_STATISTICS)
934 fi],AC_DEFINE(FEATURE_STATISTICS))
936 AC_ARG_ENABLE(extended-statistics,
937 [ --enable-extended-statistics Gather extended statistics.],
938 [if test $enableval = yes; then
939 AC_DEFINE(FEATURE_EXTENDED_STATISTICS)
942 AC_ARG_ENABLE(image-blocking,
943 [ --disable-image-blocking Don't try to figure out whether a request is
944 for an image or HTML - assume HTML.],
945 [if test $enableval = yes; then
946 AC_DEFINE(FEATURE_IMAGE_BLOCKING)
948 AC_DEFINE(FEATURE_IMAGE_BLOCKING))
950 AC_ARG_ENABLE(acl-support,
951 [ --disable-acl-support Prevents the use of ACLs to control access to
952 Privoxy by IP address.],
953 [if test $enableval = yes; then
954 AC_DEFINE(FEATURE_ACL)
956 AC_DEFINE(FEATURE_ACL))
958 AC_ARG_ENABLE(trust-files,
959 [ --disable-trust-files Prevents the use of trust files.],
960 [if test $enableval = yes; then
961 AC_DEFINE(FEATURE_TRUST)
963 AC_DEFINE(FEATURE_TRUST))
965 AC_ARG_ENABLE(editor,
966 [ --disable-editor Prevents the use of the web-based actions file
967 editor and web-based temporary disable setting.],
968 [if test $enableval = yes; then
969 AC_DEFINE(FEATURE_CGI_EDIT_ACTIONS)
971 AC_DEFINE(FEATURE_CGI_EDIT_ACTIONS))
973 AC_ARG_ENABLE(no-gifs,
974 [ --enable-no-gifs Use politically correct PNG format instead of GIF
975 for built-in images. May not work with all browsers.],
976 [if test $enableval = yes; then
977 AC_DEFINE(FEATURE_NO_GIFS)
980 AC_ARG_ENABLE(graceful-termination,
981 [ --enable-graceful-termination Allow to shutdown Privoxy through the webinterface.],
982 [if test $enableval = yes; then
983 AC_DEFINE(FEATURE_GRACEFUL_TERMINATION)
986 AC_ARG_ENABLE(pcre-host-patterns,
987 [ --enable-pcre-host-patterns Allow to use PCRE syntax in host patterns by prefixing the pattern with
988 "PCRE-HOST-PATTERN:". You can use tools/url-pattern-translator.pl to
989 convert existing action files to use PCRE host patterns.],
990 [if test $enableval = yes; then
991 AC_DEFINE(FEATURE_PCRE_HOST_PATTERNS)
994 AC_ARG_ENABLE(external-filters,
995 [ --enable-external-filters Allow to filter content with scripts and programs. Experimental.],
996 [if test $enableval = yes; then
997 AC_DEFINE(FEATURE_EXTERNAL_FILTERS,1,[Define to 1 to allow to filter content with scripts and programs.])
1000 AC_ARG_ENABLE(accept-filter,
1001 [ --enable-accept-filter Try to use accf_http(9) if supported.],
1002 [if test $enableval = yes; then
1003 AC_DEFINE(FEATURE_ACCEPT_FILTER)
1006 AC_ARG_ENABLE(strptime-sanity-checks,
1007 [ --enable-strptime-sanity-checks Only trust strptime() results if an additional strftime()/strptime()
1008 conversion doesn't change the result. Can be useful if strptime() is
1009 known or suspected to be broken.],
1010 [if test $enableval = yes; then
1011 AC_DEFINE(FEATURE_STRPTIME_SANITY_CHECKS)
1014 AC_ARG_ENABLE(client-tags,
1015 [ --disable-client-tags Disable support for client-specific tags],
1016 [ if test $enableval = "no"; then have_client_tags=no; fi ])
1017 if test "${have_client_tags}" = "no"; then
1018 echo "Disabling support for client-specific tags."
1019 FEATURE_CLIENT_TAGS_ONLY="#"
1021 echo "Enabling support for client-specific tags."
1022 AC_DEFINE(FEATURE_CLIENT_TAGS,1,[Define to enable support for client-specific tags.])
1023 FEATURE_CLIENT_TAGS_ONLY=""
1025 AC_SUBST(FEATURE_CLIENT_TAGS_ONLY)
1029 [ --enable-fuzz Enable code that makes fuzzing more convenient],
1030 [if test $enableval = yes; then
1032 AC_DEFINE(FUZZ,1,[Define to make fuzzing more convenient.])
1036 dnl pcre/pcrs is needed for CGI anyway, so
1037 dnl the choice is only between static and
1040 AC_ARG_ENABLE(dynamic-pcre,
1041 [ --disable-dynamic-pcre Use the built-in, static pcre, even if libpcre is available],
1042 [ if test $enableval = "no"; then have_pcre=no; fi ])
1044 dnl =================================================
1045 dnl libpcrs is temporarily disabled,
1046 dnl see comment above for the reason.
1047 dnl =================================================
1048 dnl AC_ARG_ENABLE(dynamic-pcrs,
1049 dnl [ --disable-dynamic-pcrs Use the built-in, static pcrs, even if libpcrs is available],
1050 dnl [ if test $enableval = "no"; then have_pcrs=no; fi ])
1053 dnl ====================================================
1054 dnl This check is incomplete. For mingw32 zlib is found
1055 dnl by configure, but not necessarily by the compiler.
1056 dnl ====================================================
1058 [ --disable-zlib Don't use zlib to decompress data before filtering.],
1059 [enableval2=$enableval],
1061 if test $enableval2 = yes; then
1062 AC_CHECK_LIB(z, zlibVersion, [have_zlib="yes"], [have_zlib="no"])
1063 if test $have_zlib = "yes"; then
1065 AC_DEFINE(FEATURE_ZLIB,1,[Define to 1 to use zlib to decompress data before filtering.])
1067 AC_MSG_WARN([No zlib found.
1068 Privoxy will not be able to filter compressed content.
1069 This may become a fatal error in the future.])
1073 AC_ARG_ENABLE(compression,
1074 [ --enable-compression Allow Privoxy to compress buffered content if the client supports it. Requires zlib support.],
1075 [enableval2=$enableval],
1077 if test $enableval2 = yes; then
1078 if test $have_zlib = "yes"; then
1079 echo Enabling compression support.
1080 AC_DEFINE(FEATURE_COMPRESSION,1,[Define to 1 to use compression through the zlib library.])
1082 AC_MSG_WARN([No zlib found. Privoxy will not be able to (re-)compressed buffered content.])
1087 # If we have libpcre and either we also have pcreposix or
1088 # we don't need pcreposix, then link pcre dynamically; else
1089 # build it and link statically
1091 if test $have_pcre = "yes"; then
1092 echo "using libpcre"
1094 AC_DEFINE(FEATURE_DYNAMIC_PCRE,1,[Define to dynamically link to pcre.])
1096 LIBS="$LIBS -lpcre -lpcreposix"
1098 AC_MSG_WARN([You are using the static PCRE code which is out of date and scheduled for removal, for details see:
1099 https://sourceforge.net/p/ijbswa/mailman/ijbswa-developers/thread/20080511195555.2dc6cfdc@fabiankeil.de/])
1101 # STATIC_PCRE is a name pcre needs to statically link on Windows.
1102 # Privoxy itself no longer uses it.
1103 AC_DEFINE(STATIC_PCRE,1,[Define to statically link to internal outdated pcre on Windows.])
1107 AC_DEFINE(FEATURE_CONNECTION_KEEP_ALIVE)
1109 if test $have_pthread = "yes" -o $target_type = "mingw"; then
1110 echo Enabling connection-sharing support.
1111 AC_DEFINE(FEATURE_CONNECTION_SHARING)
1114 dnl =================================================
1115 dnl libpcrs is temporarily disabled,
1116 dnl see comment above for the reason.
1117 dnl =================================================
1118 dnl # If we have libpcrs and pcre is linked dynamically
1119 dnl # then also link pcrs dynamically, else build and link
1120 dnl # pcrs statically
1122 dnl if test $have_pcrs = "yes" -a $pcre_dyn = "yes"; then
1123 dnl echo "using libpcrs"
1124 dnl STATIC_PCRS_ONLY=#
1125 dnl LIBS="$LIBS -lpcrs"
1127 dnl echo "using built-in static pcrs"
1128 AC_DEFINE(STATIC_PCRS)
1132 AC_SUBST(STATIC_PCRE_ONLY)
1133 AC_SUBST(STATIC_PCRS_ONLY)
1135 FEATURE_HTTPS_INSPECTION_ONLY=#
1136 dnl ========================================================
1137 dnl check for mbedTLS which is required for https inspection
1138 dnl ========================================================
1139 FEATURE_HTTPS_INSPECTION_ONLY_MBEDTLS=#
1141 AC_ARG_WITH(mbedtls,dnl
1142 AC_HELP_STRING([--with-mbedtls], [Enable mbedTLS detection for https inspection.])
1143 AC_HELP_STRING([--without-mbedtls], [Disable mbedTLS detection]),
1144 OPT_MBEDTLS=$withval)
1146 if test X"$OPT_MBEDTLS" != Xno; then
1148 AC_CHECK_LIB(mbedtls, mbedtls_ssl_init,
1150 AC_DEFINE(FEATURE_HTTPS_INSPECTION, 1, [if SSL/TLS is enabled])
1151 AC_DEFINE(FEATURE_HTTPS_INSPECTION_MBEDTLS, 1, [if mbedTLS is enabled])
1152 AC_SUBST(FEATURE_HTTPS_INSPECTION_MBEDTLS, [1])
1153 FEATURE_HTTPS_INSPECTION_MBEDTLS="yes"
1154 ], [], -lmbedx509 -lmbedcrypto)
1156 if test "x$FEATURE_HTTPS_INSPECTION_MBEDTLS" = "xyes"; then
1157 AC_MSG_NOTICE([Detected mbedTLS. Enabling https inspection.])
1159 LIBS="-lmbedtls -lmbedx509 -lmbedcrypto $LIBS"
1160 old_CFLAGS_nospecial="-Imbedtls/include $old_CFLAGS_nospecial"
1162 FEATURE_HTTPS_INSPECTION_ONLY=
1163 FEATURE_HTTPS_INSPECTION_ONLY_MBEDTLS=
1166 AC_SUBST(FEATURE_HTTPS_INSPECTION_ONLY_MBEDTLS)
1168 dnl =================================================================
1169 dnl check for OpenSSL/LibreSSL which is required for https inspection
1170 dnl =================================================================
1171 FEATURE_HTTPS_INSPECTION_ONLY_OPENSSL=#
1173 AC_ARG_WITH(openssl,dnl
1174 AC_HELP_STRING([--with-openssl], [Enable OpenSSL/LibreSSL detection for https inspection.])
1175 AC_HELP_STRING([--without-openssl], [Disable OpenSSL/LibreSSL detection]),
1176 OPT_OPENSSL=$withval)
1178 if test X"$OPT_OPENSSL" != Xno; then
1179 if test "$PORTNAME" != "win32"; then
1180 AC_CHECK_LIB(crypto, CRYPTO_new_ex_data, [], [AC_MSG_ERROR([library 'crypto' is required for OpenSSL])])
1182 AC_CHECK_LIB(ssl, OPENSSL_init_ssl, [FOUND_SSL_LIB="yes"])
1183 AC_CHECK_LIB(ssl, SSL_library_init, [FOUND_SSL_LIB="yes"])
1184 AS_IF([test "x$FOUND_SSL_LIB" = xno], [AC_MSG_ERROR([library 'ssl' is required for OpenSSL])])
1186 AC_SEARCH_LIBS(CRYPTO_new_ex_data, eay32 crypto, [], [AC_MSG_ERROR([library 'eay32' or 'crypto' is required for OpenSSL])])
1188 AC_SEARCH_LIBS(OPENSSL_init_ssl, ssleay32 ssl, [FOUND_SSL_LIB="yes"])
1189 AC_SEARCH_LIBS(SSL_library_init, ssleay32 ssl, [FOUND_SSL_LIB="yes"])
1190 AS_IF([test "x$FOUND_SSL_LIB" = xno], [AC_MSG_ERROR([library 'ssleay32' or 'ssl' is required for OpenSSL])])
1193 if test "x$FOUND_SSL_LIB" = xyes; then
1194 AC_DEFINE(FEATURE_HTTPS_INSPECTION, 1, [if SSL/TLS is enabled])
1195 AC_DEFINE(FEATURE_HTTPS_INSPECTION_OPENSSL, 1, [if OpenSSL is enabled])
1196 AC_SUBST(FEATURE_HTTPS_INSPECTION_OPENSSL, [1])
1197 FEATURE_HTTPS_INSPECTION="yes"
1198 FEATURE_HTTPS_INSPECTION_OPENSSL="yes"
1201 if test "x$FEATURE_HTTPS_INSPECTION_OPENSSL" = "xyes"; then
1202 AC_MSG_NOTICE([Detected OpenSSL. Enabling https inspection.])
1203 AC_MSG_WARN([If you intend to redistribute Privoxy, please make sure the "special exception" from section 3 of the GPLv2 applies.])
1205 LIBS="$LIBS -lssl -lcrypto"
1206 old_CFLAGS_nospecial="$old_CFLAGS_nospecial"
1208 FEATURE_HTTPS_INSPECTION_ONLY=
1209 FEATURE_HTTPS_INSPECTION_ONLY_OPENSSL=
1212 AC_SUBST(FEATURE_HTTPS_INSPECTION_ONLY_OPENSSL)
1214 AC_SUBST(FEATURE_HTTPS_INSPECTION_ONLY)
1216 dnl ========================================================
1217 dnl Check for Brotli which can be used for decompression
1218 dnl ========================================================
1221 AC_HELP_STRING([--with-brotli], [Enable Brotli detection])
1222 AC_HELP_STRING([--without-brotli], [Disable Brotli detection]),
1223 WITH_BROTLI=$withval)
1225 if test X"$WITH_BROTLI" != Xno; then
1227 LIBS="$LIBS -lbrotlidec"
1229 AC_CHECK_LIB(brotlidec, BrotliDecoderDecompress)
1231 AC_CHECK_HEADERS(brotli/decode.h,
1233 AC_DEFINE(FEATURE_BROTLI, 1, [If Brotli is used for decompression])
1234 AC_SUBST(FEATURE_BROTLI, [1])
1239 dnl =================================================================
1240 dnl Final cleanup and output
1241 dnl =================================================================
1243 dnl Remove the SPECIAL_CFLAGS stuff from CFLAGS, and add it separately
1245 CFLAGS=$old_CFLAGS_nospecial
1246 AC_SUBST(SPECIAL_CFLAGS)
1248 AC_SUBST(PTHREAD_LIB)
1250 AC_OUTPUT(GNUmakefile doc/source/ldp.dsl)