1 dnl Process this file with autoconf to produce a configure script.
3 dnl Written by and Copyright (C) 2001-2021 the
4 dnl Privoxy team. https://www.privoxy.org/
6 dnl Based on the Internet Junkbuster originally written
7 dnl by and Copyright (C) 1997 Anonymous Coders and
8 dnl Junkbusters Corporation. http://www.junkbusters.com
10 dnl This program is free software; you can redistribute it
11 dnl and/or modify it under the terms of the GNU General
12 dnl Public License as published by the Free Software
13 dnl Foundation; either version 2 of the License, or (at
14 dnl your option) any later version.
16 dnl This program is distributed in the hope that it will
17 dnl be useful, but WITHOUT ANY WARRANTY; without even the
18 dnl implied warranty of MERCHANTABILITY or FITNESS FOR A
19 dnl PARTICULAR PURPOSE. See the GNU General Public
20 dnl License for more details.
22 dnl The GNU General Public License should be included with
23 dnl this file. If not, you can view it at
24 dnl http://www.gnu.org/copyleft/gpl.html
25 dnl or write to the Free Software Foundation, Inc., 59
26 dnl Temple Place - Suite 330, Boston, MA 02111-1307, USA.
29 dnl =================================================================
30 dnl AutoConf Initialization
31 dnl =================================================================
33 AC_REVISION($Revision: 1.213 $)
36 if test ! -f config.h.in; then
37 echo "You need to run autoheader first. "
38 echo -n "Shall I do this for you now? (y/n) "
40 if test "$answer" != "y"; then
47 AC_CONFIG_HEADER([config.h])
52 AC_ARG_WITH(docbook, dnl
53 --with-docbook=[[yes|no|directory]]
54 Enable docbook documentation creation
55 (default = yes, for gnu and linux),[dnl
56 case "$with_docbook" in
66 AC_ARG_WITH(db2html, dnl
67 --with-db2html=<path/executable>
68 Set the location of the docbook to html converter
69 (default = search),[dnl
73 dnl =================================================================
74 dnl Application version number
75 dnl =================================================================
76 dnl CODE_STATUS can be "alpha", "beta", "stable" or "UNRELEASED",
77 dnl and will be used for CGI output. Increment version number and
78 dnl set status to "UNRELEASED" whenever git differs from the last
79 dnl release and no new release is near.
84 CODE_STATUS="UNRELEASED"
86 dnl Timestamp (date +%s) used by the mtree-spec target.
87 dnl Should be updated before releases but forgetting it isn't critical.
88 SOURCE_DATE_EPOCH=1613992573
90 dnl =================================================================
91 dnl Substitute the version numbers
92 dnl =================================================================
94 AC_SUBST(VERSION_MAJOR)
95 AC_SUBST(VERSION_MINOR)
96 AC_SUBST(VERSION_POINT)
98 AC_SUBST(SOURCE_DATE_EPOCH)
101 AC_DEFINE_UNQUOTED(VERSION_MAJOR,${VERSION_MAJOR})
102 AC_DEFINE_UNQUOTED(VERSION_MINOR,${VERSION_MINOR})
103 AC_DEFINE_UNQUOTED(VERSION_POINT,${VERSION_POINT})
104 AC_DEFINE_UNQUOTED(VERSION,"${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_POINT}")
105 AC_DEFINE_UNQUOTED(CODE_STATUS,"${CODE_STATUS}")
107 dnl =================================================================
108 dnl Checks for programs needed to build.
109 dnl =================================================================
111 dnl Keep AC_PROG_CC from setting its own defaults:
112 if test "X$CFLAGS" = "X"; then
123 AC_CHECK_PROG(GDB,gdb,yes,no)
124 AC_PATH_PROG(BGROUPS,groups,no,$PATH:/bin:/usr/bin:/usr/local/bin)
125 AC_PATH_PROG(ID,id,no,$PATH:/bin:/usr/bin:/usr/local/bin)
129 dnl =================================================================
130 dnl debug, gcc and gdb support
131 dnl =================================================================
134 [ --with-debug Enable debug mode],
136 if test "x$withval" != "xno" ; then
137 if test $ac_cv_prog_cc_g = yes; then
138 if test "$GCC" = yes; then
140 CFLAGS="$CFLAGS -ggdb"
144 CFLAGS="$CFLAGS -Wshadow -Wconversion"
152 if test "X$CFLAGS" = "X "; then # if CFLAGS were unset (see above)
153 if test "$GCC" = yes; then
160 AC_ARG_WITH(assertions, [ --with-assertions Enable assertions])
161 if test "x$with_assertions" != "xyes"; then
162 CFLAGS="$CFLAGS -DNDEBUG"
165 AC_ARG_WITH(asan, [ --with-asan Enable AddressSanitizer. Requires compiler support.])
166 if test "x$with_asan" = "xyes"; then
167 CFLAGS="$CFLAGS -fsanitize=address"
168 LDFLAGS="$LDFLAGS -fsanitize=address"
171 AC_ARG_WITH(asan, [ --with-msan Enable MemorySanitizer. Requires compiler support.])
172 if test "x$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 $ID = no ; then
219 AC_MSG_ERROR(There is no 'id' programm on this system)
221 AC_MSG_RESULT(none specified)
228 AC_MSG_CHECKING([for group])
230 [ --with-group=privoxy Set group for privoxy],
232 if test "x$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 $BGROUPS = no ; then
258 AC_MSG_ERROR(There is no 'groups' programm on this system)
260 AC_MSG_RESULT(none specified)
269 dnl =================================================================
270 dnl additional gcc flags
271 dnl =================================================================
274 if test "$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; 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.])
469 if test $have_pthread = yes; then
471 AC_DEFINE(FEATURE_PTHREAD)
472 echo Using POSIX threads
473 if test "$GCC" = "yes"; then
474 # Set a GCC specific switch:
475 if test "$target_type" = "unix"; then
476 ac_jgf_save_CFLAGS=$CFLAGS
477 CFLAGS="$CFLAGS -pthread"
478 AC_TRY_LINK([#include <pthread.h>],
479 [void *p = pthread_create;],
481 # This compiler switch makes GCC on Linux thread-safe
482 # However, it's not supported on most other OS.
484 SPECIAL_CFLAGS="-pthread"
486 CFLAGS=$ac_jgf_save_CFLAGS
491 echo Using native threads
494 AC_SUBST(PTHREAD_ONLY)
496 dnl =================================================================
497 dnl On most platforms select() does not support fd numbers above
498 dnl FD_SETSIZE, as a result Privoxy can't handle more than
499 dnl approximately FD_SETSIZE/2 client connections.
500 dnl On some platforms the value can be changed at compile time,
501 dnl on others it's hardcoded and requires recompilation of the OS.
502 dnl Only relevant if select() is actually being used.
503 dnl =================================================================
504 AC_ARG_WITH(fdsetsize,
505 [ --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().],
507 if test "x$withval" != "xyes"; then
508 AC_DEFINE_UNQUOTED(FD_SETSIZE,$with_fdsetsize,[Relevant for select(). Not honoured by all OS.])
509 echo "Redefining FD_SETSIZE to $with_fdsetsize."
510 AC_MSG_WARN(On platforms that don't support FD_SETSIZE redefinition it may cause memory corruption.)
512 AC_MSG_ERROR(--with-fdsetsize used without value)
517 dnl =================================================================
518 dnl Support for thread-safe versions of gethostbyaddr, gethostbyname,
519 dnl gmtime and localtime
520 dnl =================================================================
522 dnl Next line needed to find the gethost*_r functions on Solaris
523 AC_CHECK_LIB(nsl, gethostbyname)
525 AC_CHECK_FUNC(gethostbyaddr_r, [
526 AC_MSG_CHECKING([signature of gethostbyaddr_r])
530 struct hostent *h, *hp;
533 (void) gethostbyaddr_r(a, l, t, h, b, bl, &hp, &e)
535 AC_DEFINE(HAVE_GETHOSTBYADDR_R_8_ARGS)
536 AC_MSG_RESULT([8 args])
544 (void) gethostbyaddr_r(a, l, t, h, b, bl, &e)
546 AC_DEFINE(HAVE_GETHOSTBYADDR_R_7_ARGS)
547 AC_MSG_RESULT([7 args])
552 struct hostent_data *d;
556 (void) gethostbyaddr_r(a, l, t, h, d)
558 AC_DEFINE(HAVE_GETHOSTBYADDR_R_5_ARGS)
559 AC_MSG_RESULT([5 args])
561 AC_MSG_RESULT(unrecognised)
569 AC_CHECK_FUNC(gethostbyname_r, [
570 AC_MSG_CHECKING([signature of gethostbyname_r])
574 struct hostent *h, *r;
577 (void) gethostbyname_r(n, h, b, bl, &r, &e)
579 AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARGS)
580 AC_MSG_RESULT([6 args])
588 (void) gethostbyname_r(n, h, b, bl, &e)
590 AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARGS)
591 AC_MSG_RESULT([5 args])
596 struct hostent_data *d;
599 (void) gethostbyname_r(n, h, d)
601 AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARGS)
602 AC_MSG_RESULT([3 args])
604 AC_MSG_RESULT(unrecognised)
612 AC_CHECK_FUNC(gmtime_r, [
613 AC_MSG_CHECKING([signature of gmtime_r])
619 (void) gmtime_r(t, tm)
622 AC_DEFINE(HAVE_GMTIME_R)
624 AC_MSG_RESULT(unrecognised)
630 AC_CHECK_FUNC(localtime_r, [
631 AC_MSG_CHECKING([signature of localtime_r])
637 (void) localtime_r(t, tm)
640 AC_DEFINE(HAVE_LOCALTIME_R)
642 AC_MSG_RESULT(unrecognised)
648 dnl =================================================================
650 dnl FIXME: Not tested on Solaris yet...
651 dnl ISFIXED: Have tested it on Solaris, but there are other ways to
652 dnl make these checks generic, e.g.:
653 dnl AC_CHECK_FUNC(getsockopt, , AC_CHECK_LIB(socket, getsockopt))
654 dnl (Moritz Barsnick <moritz@barsnick.net>)
655 dnl =================================================================
661 *-solaris*) SOCKET_LIB="-lsocket -lnsl"
662 AC_DEFINE(__EXTENSIONS__)
663 if test "$GCC" = "yes"; then
664 # Set a GCC specific switch:
665 # This compiler switch makes Solaris thread-safe
667 SPECIAL_CFLAGS="-pthreads"
669 # What do we do without GCC? Guess this:
670 SPECIAL_CFLAGS="-D_REENTRANT"
677 dnl =================================================================
678 dnl Solaris problem, and others perhaps (socklen_t is undefined)
679 dnl =================================================================
681 if test $target_type != mingw; then
682 # i686-w64-mingw32-gcc gets socklen_t define from ws2tcpip.h
684 AC_MSG_CHECKING([for socklen_t])
685 AC_EGREP_HEADER(socklen_t, sys/socket.h, AC_MSG_RESULT([yes]),
687 AC_DEFINE(socklen_t,int,
688 [ Define to 'int' if <sys/socket.h> doesn't have it. ]))
692 dnl =================================================================
694 dnl =================================================================
697 *-apple-darwin*) SPECIAL_CFLAGS="-Dunix"
701 dnl =================================================================
703 dnl =================================================================
706 *-openbsd*) SPECIAL_CFLAGS="$SPECIAL_CFLAGS -Dunix"
710 dnl =================================================================
712 dnl =================================================================
714 if test "$host_os" = haiku; then
715 # Omit the "-pthread" flag to gcc, even when building with gcc 2.95
718 # Haiku's pthreads implementation exists in its system library,
719 # libroot, not in a separate pthreads library
722 # Networking code exists in libnetwork
725 # Search Haiku's common-library folder to find its pcre and
726 # pcreposix libraries
727 LIBS="-L/boot/common/lib $LIBS"
730 dnl =================================================================
731 dnl Check for standard compiler stuff
732 dnl =================================================================
743 AC_CHECK_SIZEOF(int, 4)
744 AC_CHECK_SIZEOF(char *, 4)
745 AC_CHECK_SIZEOF(long, 4)
746 AC_CHECK_SIZEOF(long long, 8)
747 AC_CHECK_SIZEOF(size_t, 4)
748 AC_CHECK_SIZEOF(time_t, 8)
750 dnl Checks for header files.
771 dnl Checks for library functions.
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(pcre-jit-compilation,
995 [ --disable-pcre-jit-compilation Don't let pcrs use pcre JIT compilation even if pcre supports it.],
996 [if test $enableval != yes; then
997 AC_DEFINE(DISABLE_PCRE_JIT_COMPILATION)
1000 AC_ARG_ENABLE(external-filters,
1001 [ --enable-external-filters Allow to filter content with scripts and programs. Experimental.],
1002 [if test $enableval = yes; then
1003 AC_DEFINE(FEATURE_EXTERNAL_FILTERS,1,[Define to 1 to allow to filter content with scripts and programs.])
1006 AC_ARG_ENABLE(accept-filter,
1007 [ --enable-accept-filter Try to use accf_http(9) if supported.],
1008 [if test $enableval = yes; then
1009 AC_DEFINE(FEATURE_ACCEPT_FILTER)
1012 AC_ARG_ENABLE(strptime-sanity-checks,
1013 [ --enable-strptime-sanity-checks Only trust strptime() results if an additional strftime()/strptime()
1014 conversion doesn't change the result. Can be useful if strptime() is
1015 known or suspected to be broken.],
1016 [if test $enableval = yes; then
1017 AC_DEFINE(FEATURE_STRPTIME_SANITY_CHECKS)
1020 AC_ARG_ENABLE(client-tags,
1021 [ --disable-client-tags Disable support for client-specific tags],
1022 [ if test $enableval = "no"; then have_client_tags=no; fi ])
1023 if test "${have_client_tags}" = "no"; then
1024 echo "Disabling support for client-specific tags."
1025 FEATURE_CLIENT_TAGS_ONLY="#"
1027 echo "Enabling support for client-specific tags."
1028 AC_DEFINE(FEATURE_CLIENT_TAGS,1,[Define to enable support for client-specific tags.])
1029 FEATURE_CLIENT_TAGS_ONLY=""
1031 AC_SUBST(FEATURE_CLIENT_TAGS_ONLY)
1035 [ --enable-fuzz Enable code that makes fuzzing more convenient],
1036 [if test $enableval = yes; then
1038 AC_DEFINE(FUZZ,1,[Define to make fuzzing more convenient.])
1042 dnl pcre/pcrs is needed for CGI anyway, so
1043 dnl the choice is only between static and
1046 AC_ARG_ENABLE(dynamic-pcre,
1047 [ --disable-dynamic-pcre Use the built-in, static pcre, even if libpcre is available],
1048 [ if test $enableval = "no"; then have_pcre=no; fi ])
1050 dnl =================================================
1051 dnl libpcrs is temporarily disabled,
1052 dnl see comment above for the reason.
1053 dnl =================================================
1054 dnl AC_ARG_ENABLE(dynamic-pcrs,
1055 dnl [ --disable-dynamic-pcrs Use the built-in, static pcrs, even if libpcrs is available],
1056 dnl [ if test $enableval = "no"; then have_pcrs=no; fi ])
1059 dnl ====================================================
1060 dnl This check is incomplete. For mingw32 zlib is found
1061 dnl by configure, but not necessarily by the compiler.
1062 dnl ====================================================
1064 [ --disable-zlib Don't use zlib to decompress data before filtering.],
1065 [enableval2=$enableval],
1067 if test $enableval2 = yes; then
1068 AC_CHECK_LIB(z, zlibVersion, [have_zlib="yes"], [have_zlib="no"])
1069 if test $have_zlib = "yes"; then
1071 AC_DEFINE(FEATURE_ZLIB,1,[Define to 1 to use zlib to decompress data before filtering.])
1073 AC_MSG_WARN([No zlib found.
1074 Privoxy will not be able to filter compressed content.
1075 This may become a fatal error in the future.])
1079 AC_ARG_ENABLE(compression,
1080 [ --enable-compression Allow Privoxy to compress buffered content if the client supports it. Requires zlib support.],
1081 [enableval2=$enableval],
1083 if test $enableval2 = yes; then
1084 if test $have_zlib = "yes"; then
1085 echo Enabling compression support.
1086 AC_DEFINE(FEATURE_COMPRESSION,1,[Define to 1 to use compression through the zlib library.])
1088 AC_MSG_WARN([No zlib found. Privoxy will not be able to (re-)compressed buffered content.])
1093 # If we have libpcre and either we also have pcreposix or
1094 # we don't need pcreposix, then link pcre dynamically; else
1095 # build it and link statically
1097 if test $have_pcre = "yes"; then
1098 echo "using libpcre"
1100 LIBS="$LIBS -lpcre -lpcreposix"
1101 if test "$use_static_pcre" = "yes"; then
1103 AC_DEFINE(PCRE_STATIC,1,[Define to statically link to pcre library on Windows.])
1104 # see /usr/i686-w64-mingw32/sys-root/mingw/include/pcre.h line 54
1105 # #if defined(_WIN32) && !defined(PCRE_STATIC)
1106 # # ifndef PCRE_EXP_DECL
1107 # # define PCRE_EXP_DECL extern __declspec(dllimport)
1109 # If you want to statically link a program against a PCRE library in the form of
1110 # a non-dll .a file, you must define PCRE_STATIC before including pcre.h or
1111 # pcrecpp.h, otherwise the pcre_malloc() and pcre_free() exported functions will
1112 # be declared __declspec(dllimport), with unwanted results.
1115 AC_DEFINE(FEATURE_DYNAMIC_PCRE,1,[Define to dynamically link to pcre.])
1118 AC_MSG_ERROR(pcre library not detected.)
1121 AC_DEFINE(FEATURE_CONNECTION_KEEP_ALIVE)
1123 if test $have_pthread = "yes" -o $target_type = "mingw"; then
1124 echo Enabling connection-sharing support.
1125 AC_DEFINE(FEATURE_CONNECTION_SHARING)
1128 dnl =================================================
1129 dnl libpcrs is temporarily disabled,
1130 dnl see comment above for the reason.
1131 dnl =================================================
1132 dnl # If we have libpcrs and pcre is linked dynamically
1133 dnl # then also link pcrs dynamically, else build and link
1134 dnl # pcrs statically
1136 dnl if test $have_pcrs = "yes" -a $pcre_dyn = "yes"; then
1137 dnl echo "using libpcrs"
1138 dnl STATIC_PCRS_ONLY=#
1139 dnl LIBS="$LIBS -lpcrs"
1141 dnl echo "using built-in static pcrs"
1142 AC_DEFINE(STATIC_PCRS)
1146 AC_SUBST(STATIC_PCRE_ONLY)
1147 AC_SUBST(STATIC_PCRS_ONLY)
1149 FEATURE_HTTPS_INSPECTION_ONLY=#
1150 dnl ========================================================
1151 dnl check for mbedTLS which can be used for https inspection
1152 dnl ========================================================
1153 FEATURE_HTTPS_INSPECTION_ONLY_MBEDTLS=#
1155 AC_ARG_WITH(mbedtls,dnl
1156 AC_HELP_STRING([--with-mbedtls], [Enable mbedTLS detection for https inspection.])
1157 AC_HELP_STRING([--without-mbedtls], [Disable mbedTLS detection]),
1158 OPT_MBEDTLS=$withval)
1160 if test X"$OPT_MBEDTLS" != Xno; then
1162 AC_CHECK_LIB(mbedtls, mbedtls_ssl_init,
1164 AC_DEFINE(FEATURE_HTTPS_INSPECTION, 1, [if SSL/TLS is enabled])
1165 AC_DEFINE(FEATURE_HTTPS_INSPECTION_MBEDTLS, 1, [if mbedTLS is enabled])
1166 AC_SUBST(FEATURE_HTTPS_INSPECTION_MBEDTLS, [1])
1167 FEATURE_HTTPS_INSPECTION_MBEDTLS="yes"
1168 ], [], -lmbedx509 -lmbedcrypto)
1170 if test "x$FEATURE_HTTPS_INSPECTION_MBEDTLS" = "xyes"; then
1171 AC_MSG_NOTICE([Detected mbedTLS. Enabling https inspection.])
1173 LIBS="-lmbedtls -lmbedx509 -lmbedcrypto $LIBS"
1174 old_CFLAGS_nospecial="-Imbedtls/include $old_CFLAGS_nospecial"
1176 FEATURE_HTTPS_INSPECTION_ONLY=
1177 FEATURE_HTTPS_INSPECTION_ONLY_MBEDTLS=
1180 AC_SUBST(FEATURE_HTTPS_INSPECTION_ONLY_MBEDTLS)
1182 dnl =================================================================
1183 dnl check for OpenSSL/LibreSSL which can be used for https inspection
1184 dnl =================================================================
1185 FEATURE_HTTPS_INSPECTION_ONLY_OPENSSL=#
1187 AC_ARG_WITH(openssl,dnl
1188 AC_HELP_STRING([--with-openssl], [Enable OpenSSL/LibreSSL detection for https inspection.])
1189 AC_HELP_STRING([--without-openssl], [Disable OpenSSL/LibreSSL detection]),
1190 OPT_OPENSSL=$withval)
1192 if test X"$OPT_OPENSSL" != Xno; then
1193 if test X"$OPT_MBEDTLS" != Xno; then
1194 AC_MSG_ERROR([OpenSSL and mbedTLS support can't be enabled at the same time])
1197 if test "$PORTNAME" != "win32"; then
1198 AC_CHECK_LIB(crypto, CRYPTO_new_ex_data, [], [AC_MSG_ERROR([library 'crypto' is required for OpenSSL])])
1200 AC_CHECK_LIB(ssl, OPENSSL_init_ssl, [FOUND_SSL_LIB="yes"])
1201 AC_CHECK_LIB(ssl, SSL_library_init, [FOUND_SSL_LIB="yes"])
1202 AS_IF([test "x$FOUND_SSL_LIB" = xno], [AC_MSG_ERROR([library 'ssl' is required for OpenSSL])])
1204 AC_SEARCH_LIBS(CRYPTO_new_ex_data, eay32 crypto, [], [AC_MSG_ERROR([library 'eay32' or 'crypto' is required for OpenSSL])])
1206 AC_SEARCH_LIBS(OPENSSL_init_ssl, ssleay32 ssl, [FOUND_SSL_LIB="yes"])
1207 AC_SEARCH_LIBS(SSL_library_init, ssleay32 ssl, [FOUND_SSL_LIB="yes"])
1208 AS_IF([test "x$FOUND_SSL_LIB" = xno], [AC_MSG_ERROR([library 'ssleay32' or 'ssl' is required for OpenSSL])])
1211 if test "x$FOUND_SSL_LIB" = xyes; then
1212 AC_DEFINE(FEATURE_HTTPS_INSPECTION, 1, [if SSL/TLS is enabled])
1213 AC_DEFINE(FEATURE_HTTPS_INSPECTION_OPENSSL, 1, [if OpenSSL is enabled])
1214 AC_SUBST(FEATURE_HTTPS_INSPECTION_OPENSSL, [1])
1215 FEATURE_HTTPS_INSPECTION="yes"
1216 FEATURE_HTTPS_INSPECTION_OPENSSL="yes"
1219 if test "x$FEATURE_HTTPS_INSPECTION_OPENSSL" = "xyes"; then
1220 AC_MSG_NOTICE([Detected OpenSSL. Enabling https inspection.])
1221 AC_MSG_WARN([If you intend to redistribute Privoxy, please make sure the "special exception" from section 3 of the GPLv2 applies.])
1223 LIBS="$LIBS -lssl -lcrypto"
1224 old_CFLAGS_nospecial="$old_CFLAGS_nospecial"
1226 FEATURE_HTTPS_INSPECTION_ONLY=
1227 FEATURE_HTTPS_INSPECTION_ONLY_OPENSSL=
1230 AC_SUBST(FEATURE_HTTPS_INSPECTION_ONLY_OPENSSL)
1232 AC_SUBST(FEATURE_HTTPS_INSPECTION_ONLY)
1234 dnl ========================================================
1235 dnl Check for Brotli which can be used for decompression
1236 dnl ========================================================
1239 AC_HELP_STRING([--with-brotli], [Enable Brotli detection])
1240 AC_HELP_STRING([--without-brotli], [Disable Brotli detection]),
1241 WITH_BROTLI=$withval)
1243 if test X"$WITH_BROTLI" != Xno; then
1245 LIBS="$LIBS -lbrotlidec"
1246 if test $target_type = mingw; then
1247 # XXX: why does just the mingw build need this???
1248 LIBS="$LIBS -lbrotlicommon -lbrotlienc"
1251 AC_CHECK_LIB(brotlidec, BrotliDecoderDecompress)
1253 AC_CHECK_HEADERS(brotli/decode.h,
1255 AC_DEFINE(FEATURE_BROTLI, 1, [If Brotli is used for decompression])
1256 AC_SUBST(FEATURE_BROTLI, [1])
1261 dnl =================================================================
1262 dnl Final cleanup and output
1263 dnl =================================================================
1265 dnl Remove the SPECIAL_CFLAGS stuff from CFLAGS, and add it separately
1267 CFLAGS=$old_CFLAGS_nospecial
1268 AC_SUBST(SPECIAL_CFLAGS)
1270 AC_SUBST(PTHREAD_LIB)
1272 AC_OUTPUT(GNUmakefile doc/source/ldp.dsl)