dnl Process this file with autoconf to produce a configure script. dnl dnl Written by and Copyright (C) 2001-2021 the dnl Privoxy team. https://www.privoxy.org/ dnl dnl Based on the Internet Junkbuster originally written dnl by and Copyright (C) 1997 Anonymous Coders and dnl Junkbusters Corporation. http://www.junkbusters.com dnl dnl This program is free software; you can redistribute it dnl and/or modify it under the terms of the GNU General dnl Public License as published by the Free Software dnl Foundation; either version 2 of the License, or (at dnl your option) any later version. dnl dnl This program is distributed in the hope that it will dnl be useful, but WITHOUT ANY WARRANTY; without even the dnl implied warranty of MERCHANTABILITY or FITNESS FOR A dnl PARTICULAR PURPOSE. See the GNU General Public dnl License for more details. dnl dnl The GNU General Public License should be included with dnl this file. If not, you can view it at dnl http://www.gnu.org/copyleft/gpl.html dnl or write to the Free Software Foundation, Inc., 59 dnl Temple Place - Suite 330, Boston, MA 02111-1307, USA. dnl dnl ================================================================= dnl AutoConf Initialization dnl ================================================================= AC_REVISION($Revision: 1.213 $) AC_INIT(jcc.c) if test ! -f config.h.in; then echo "You need to run autoheader first. " echo -n "Shall I do this for you now? (y/n) " read answer if test "$answer" != "y"; then exit 1 else autoheader fi fi AC_CONFIG_HEADER([config.h]) AC_CANONICAL_HOST dodk=auto DKPREFIX=none AC_ARG_WITH(docbook, dnl --with-docbook=[[yes|no|directory]] Enable docbook documentation creation (default = yes, for gnu and linux),[dnl case "$with_docbook" in yes) dodk=yes;; no) dodk=no;; *) dodk=yes DKPREFIX=$withval ;; esac ]) DB2HTML=false AC_ARG_WITH(db2html, dnl --with-db2html= Set the location of the docbook to html converter (default = search),[dnl DB2HTML=$withval ]) dnl ================================================================= dnl Application version number dnl ================================================================= dnl CODE_STATUS can be "alpha", "beta", "stable" or "UNRELEASED", dnl and will be used for CGI output. Increment version number and dnl set status to "UNRELEASED" whenever git differs from the last dnl release and no new release is near. VERSION_MAJOR=3 VERSION_MINOR=0 VERSION_POINT=34 CODE_STATUS="UNRELEASED" dnl Timestamp (date +%s) used by the mtree-spec target. dnl Should be updated before releases but forgetting it isn't critical. SOURCE_DATE_EPOCH=1636218132 dnl ================================================================= dnl Substitute the version numbers dnl ================================================================= AC_SUBST(VERSION_MAJOR) AC_SUBST(VERSION_MINOR) AC_SUBST(VERSION_POINT) AC_SUBST(CODE_STATUS) AC_SUBST(SOURCE_DATE_EPOCH) dnl AC_DEFINE_UNQUOTED(VERSION_MAJOR,${VERSION_MAJOR}) AC_DEFINE_UNQUOTED(VERSION_MINOR,${VERSION_MINOR}) AC_DEFINE_UNQUOTED(VERSION_POINT,${VERSION_POINT}) AC_DEFINE_UNQUOTED(VERSION,"${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_POINT}") AC_DEFINE_UNQUOTED(CODE_STATUS,"${CODE_STATUS}") dnl ================================================================= dnl Checks for programs needed to build. dnl ================================================================= dnl Keep AC_PROG_CC from setting its own defaults: if test "X$CFLAGS" = "X"; then CFLAGS=" " fi AC_PROG_CC AC_PROG_CPP AC_PROG_INSTALL AC_PROG_LN_S AC_PROG_MAKE_SET AC_PROG_AWK AC_CHECK_PROG(GDB,gdb,yes,no) AC_PATH_PROG(BGROUPS,groups,no,$PATH:/bin:/usr/bin:/usr/local/bin) AC_PATH_PROG(ID,id,no,$PATH:/bin:/usr/bin:/usr/local/bin) AC_SUBST(ID) AC_SUBST(BGROUPS) dnl ================================================================= dnl debug, gcc and gdb support dnl ================================================================= AC_ARG_WITH(debug, [ --with-debug Enable debug mode], [ if test "x$withval" != "xno" ; then if test $ac_cv_prog_cc_g = yes; then if test "$GCC" = yes; then if test "$GDB"; then CFLAGS="$CFLAGS -ggdb" else CFLAGS="$CFLAGS -g" fi CFLAGS="$CFLAGS -Wshadow -Wconversion" else CFLAGS="$CFLAGS -g" fi fi fi ], [ if test "X$CFLAGS" = "X "; then # if CFLAGS were unset (see above) if test "$GCC" = yes; then CFLAGS="-O2" fi fi ] ) AC_ARG_WITH(assertions, [ --with-assertions Enable assertions]) if test "x$with_assertions" != "xyes"; then CFLAGS="$CFLAGS -DNDEBUG" fi AC_ARG_WITH(asan, [ --with-asan Enable AddressSanitizer. Requires compiler support.]) if test "x$with_asan" = "xyes"; then CFLAGS="$CFLAGS -fsanitize=address" LDFLAGS="$LDFLAGS -fsanitize=address" fi AC_ARG_WITH(msan, [ --with-msan Enable MemorySanitizer. Requires compiler support.]) if test "x$with_msan" = "xyes"; then CFLAGS="$CFLAGS -fsanitize=memory" LDFLAGS="$LDFLAGS -fsanitize=memory" fi AC_ARG_WITH(usan, [ --with-usan Enable UndefinedBehaviorSanitizer. Requires compiler support.]) if test "x$with_usan" = "xyes"; then CFLAGS="$CFLAGS -fsanitize=undefined" LDFLAGS="$LDFLAGS -fsanitize=undefined" fi dnl ================================================================= dnl Check for user and group validity dnl ================================================================= if test "$host_os" = haiku; then echo "Skipping user and group validity stuff."; else $ID privoxy >/dev/null 2>/dev/null if test $? -ne 0 ; then AC_MSG_WARN(There is no user 'privoxy' on this system) fi AC_MSG_CHECKING([for user]) AC_ARG_WITH(user, [ --with-user=privoxy Set user under which privoxy will run], [ if test "x$withval" != "xyes"; then if test $ID = no ; then AC_MSG_ERROR(There is no 'id' program on this system) else AC_MSG_RESULT($with_user) $ID $with_user 2>/dev/null >/dev/null if test $? -eq 0 ; then USER=$with_user; else AC_MSG_ERROR(There is no user '$with_user' on this system) fi fi else AC_MSG_ERROR(We need a user if you give me this parameter) fi ], [ if test $ID = no ; then AC_MSG_ERROR(There is no 'id' programm on this system) else AC_MSG_RESULT(none specified) USER=$with_user fi ] ) AC_SUBST(USER) AC_MSG_CHECKING([for group]) AC_ARG_WITH(group, [ --with-group=privoxy Set group for privoxy], [ if test "x$withval" != "xyes"; then if test $BGROUPS = no ; then AC_MSG_ERROR(There is no 'groups' program on this system) else AC_MSG_RESULT($with_group) $BGROUPS $USER >/dev/null if test $? -eq 0 ; then for i in `$BGROUPS $USER | sed 's/.*: //' 2>/dev/null`; do if test "x$i" = "x$with_group" ; then GROUP=$with_group break fi done if test "x$GROUP" != "x$with_group" ; then AC_MSG_ERROR(The given value '$withval' does not match group entry) fi else AC_MSG_ERROR(There is no group entry for user '$USER') fi fi else AC_MSG_ERROR(We need a group if you give me this parameter) fi ], [ if test $BGROUPS = no ; then AC_MSG_ERROR(There is no 'groups' programm on this system) else AC_MSG_RESULT(none specified) GROUP=$with_group; fi ] ) AC_SUBST(GROUP) fi dnl ================================================================= dnl additional gcc flags dnl ================================================================= dnl if test "$GCC"; then if test "$host" != "powerpc-unknown-amigaos"; then CFLAGS="-pipe $CFLAGS" fi fi dnl ================================================================= dnl Build type dnl ================================================================= dnl dnl Must do this first. dnl dnl Reason: This sets CFLAGS in order to switch the Cygwin compiler dnl into Cygwin or MinGW32 modes. Depending on the mode selected, dnl the compiler will use completely different sets of library dnl and include files. dnl dnl ================================================================= AC_MINGW32 AC_CYGWIN if test "$MINGW32" = "yes"; then target_type=mingw else if test "$CYGWIN" = "yes"; then target_type=cygwin else target_type=unix fi fi if test $dodk = auto; then dodk=no if test $target_type = unix; then case "$host_os" in linux* | gnu* | *bsd*) dodk=yes ;; esac fi fi dnl Decide what to do based on target_type dnl Note: PTHREAD_LIB is always set, even if pthread is disabled. dnl This is because we don't know yet whether pthread is enabled. AC_ARG_ENABLE(mingw32, [ --enable-mingw32 Use mingw32 for a Windows GUI], [if test $enableval = yes; then target_type=mingw fi]) if test $target_type = mingw; then WIN_ONLY= CFLAGS="$CFLAGS -DWINVER=0x501" SPECIAL_CFLAGS="-mwindows" dnl from the cygwin FAQ: The regular setup allows you to use the -mwindows option dnl to include a set of the basic libraries user32, gdi32 and comdlg32. dnl (and also make your program a GUI program instead of a console program) PTHREAD_LIB=-lpthread echo "Using mingw32 (Win32 GUI)" else WIN_ONLY=# if test $target_type = cygwin; then SPECIAL_CFLAGS="-mno-win32" PTHREAD_LIB= echo "Using Cygnus (Win32 command line)" else SPECIAL_CFLAGS= PTHREAD_LIB=-lpthread fi fi AC_SUBST(WIN_ONLY) if test $dodk != no; then AC_CHECK_PROGS(W3M, w3m, false) if test "$W3M" = false; then AC_MSG_WARN(You need w3m to build text documentation.) fi if test $DB2HTML = false; then dnl We need to clean the variable, otherwise AC_CHECK_PROGS dnl will fail DB2HTML="" AC_CHECK_PROGS(DB2HTML,db2html docbook2html,false) fi fi AC_SUBST(W3M) AC_SUBST(DB2HTML) dnl prefer openjade to jade dnl Check for jade, so we can build the documentation AC_CHECK_PROGS(JADEBIN,openjade jade,false) AC_SUBST(JADEBIN) dnl Prefer OpenSP to SP dnl ref: https://lists.privoxy.org/pipermail/privoxy-devel/2018-November/000293.html AC_CHECK_PROGS(NSGMLS,onsgmls nsgmls,false) AC_SUBST(NSGMLS) dnl Check for man2html for docs. AC_CHECK_PROGS(MAN2HTML,man2html,false) AC_SUBST(MAN2HTML) dnl Set doc status flag for conditional content inclusions DOC_STATUS=p-not-stable if test $CODE_STATUS = stable; then DOC_STATUS="p-stable" fi AC_SUBST(DOC_STATUS) dnl Checking for the docbook.dsl stylesheet file dnl It is still not portable (directory slash) JADECAT="" if test $dodk = yes; then if test $DKPREFIX = none; then for i in /usr/share/sgml/docbook/dsssl-stylesheets \ /usr/share/sgml/docbkdsl /usr/share/sgml/docbook-dsssl \ /usr/local/share/sgml/docbook/dsssl/modular \ /usr/share/sgml/docbook/stylesheet/dsssl/modular/ \ ; do dnl echo -n does not fly with /bin/sh. dnl echo -n "checking for $i/html/docbook.dsl..." AC_MSG_CHECKING([for $i]) if test -f $i/html/docbook.dsl; then echo "yes" DKPREFIX=$i break else echo "no" fi done # where are the catalogs? for i in /usr/share/sgml/CATALOG.docbk30 \ /usr/share/sgml/CATALOG.docbk31 \ /usr/share/sgml/CATALOG.docbk31 \ /usr/local/share/sgml/docbook/2.4.1/docbook.cat \ /usr/local/share/sgml/docbook/3.0/docbook.cat \ /usr/local/share/sgml/docbook/3.1/docbook.cat \ /usr/share/sgml/docbook/dtd/3.1/docbook.cat \ ; do dnl echo -n "checking for $i..." AC_MSG_CHECKING([for $i]) if test -f $i; then echo "yes" JADECAT="$JADECAT -c $i" else echo "no" fi done fi fi AC_SUBST(JADECAT) AC_SUBST(DKPREFIX) AC_ARG_ENABLE(large-file-support, [ --enable-large-file-support Define _LARGE_FILES and friends. Required by some systems to support files larger then 2GB.], [if test $enableval = yes; then CFLAGS="$CFLAGS -D_FILE_OFFSET_BITS=64 -D_LARGE_FILES -D_LARGEFILE_SOURCE=1" fi]) AC_ARG_ENABLE(static-linking, [ --enable-static-linking Use static linking instead of dynamic linking (ie. LDFLAGS=-static)], [ if test $enableval = yes; then LDFLAGS="$LDFLAGS -static"; use_static_pcre="yes"; fi ]) dnl Save old CFLAGS so we can restore them later, then add SPECIAL_CFLAGS old_CFLAGS_nospecial=$CFLAGS CFLAGS="$CFLAGS $SPECIAL_CFLAGS" # Hack to force AutoConf to use the CFLAGS we just set dnl Warning: This may break with a future version of Autoconf dnl Tested with autoconf 2.13 ac_cpp='$CPP $CPPFLAGS $SPECIAL_CFLAGS' ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5' ac_link='${CC-cc} -o conftest${ac_exeext} $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5' dnl ================================================================= dnl Thread support dnl ================================================================= AC_CHECK_HEADER(pthread.h, [have_pthread=yes], [have_pthread=no]) AC_ARG_ENABLE(pthread, [ --disable-pthread Don't use POSIX threads (pthreads)], [if test $enableval = no; then # Disable pthreads if test $have_pthread = yes -a $target_type != mingw; then AC_MSG_WARN([pthreads seem to be available but you are using --disable-pthread.]) AC_MSG_WARN([This is almost always a mistake and can render Privoxy unacceptable slow.]) AC_MSG_WARN([Also various Privoxy features only work when using threads and won't even compile without them.]) fi have_pthread=no fi]) if test $have_pthread = yes; then PTHREAD_ONLY= AC_DEFINE(FEATURE_PTHREAD) echo Using POSIX threads if test "$GCC" = "yes"; then # Set a GCC specific switch: if test "$target_type" = "unix"; then ac_jgf_save_CFLAGS=$CFLAGS CFLAGS="$CFLAGS -pthread" AC_TRY_LINK([#include ], [void *p = pthread_create;], [ # This compiler switch makes GCC on Linux thread-safe # However, it's not supported on most other OS. PTHREAD_LIB= SPECIAL_CFLAGS="-pthread" ]) CFLAGS=$ac_jgf_save_CFLAGS fi fi else PTHREAD_ONLY=# echo Using native threads fi AC_SUBST(PTHREAD_ONLY) dnl ================================================================= dnl On most platforms select() does not support fd numbers above dnl FD_SETSIZE, as a result Privoxy can't handle more than dnl approximately FD_SETSIZE/2 client connections. dnl On some platforms the value can be changed at compile time, dnl on others it's hardcoded and requires recompilation of the OS. dnl Only relevant if select() is actually being used. dnl ================================================================= AC_ARG_WITH(fdsetsize, [ --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().], [ if test "x$withval" != "xyes"; then AC_DEFINE_UNQUOTED(FD_SETSIZE,$with_fdsetsize,[Relevant for select(). Not honoured by all OS.]) echo "Redefining FD_SETSIZE to $with_fdsetsize." AC_MSG_WARN(On platforms that don't support FD_SETSIZE redefinition it may cause memory corruption.) else AC_MSG_ERROR(--with-fdsetsize used without value) fi ] ) dnl ================================================================= dnl Support for thread-safe versions of gethostbyaddr, gethostbyname, dnl gmtime and localtime dnl ================================================================= dnl Next line needed to find the gethost*_r functions on Solaris AC_CHECK_LIB(nsl, gethostbyname) AC_CHECK_FUNC(gethostbyaddr_r, [ AC_MSG_CHECKING([signature of gethostbyaddr_r]) AC_TRY_COMPILE([ # include ], [ struct hostent *h, *hp; char *a, *b; int l, bl, t, e; (void) gethostbyaddr_r(a, l, t, h, b, bl, &hp, &e) ], [ AC_DEFINE(HAVE_GETHOSTBYADDR_R_8_ARGS) AC_MSG_RESULT([8 args]) ], [ AC_TRY_COMPILE([ # include ], [ struct hostent *h; char *a, *b; int l, bl, t, e; (void) gethostbyaddr_r(a, l, t, h, b, bl, &e) ], [ AC_DEFINE(HAVE_GETHOSTBYADDR_R_7_ARGS) AC_MSG_RESULT([7 args]) ], [ AC_TRY_COMPILE([ # include ], [ struct hostent_data *d; struct hostent *h; char a, int l, t; (void) gethostbyaddr_r(a, l, t, h, d) ], [ AC_DEFINE(HAVE_GETHOSTBYADDR_R_5_ARGS) AC_MSG_RESULT([5 args]) ], [ AC_MSG_RESULT(unrecognised) ]) ]) ]) ], [ AC_MSG_RESULT(no) ]) AC_CHECK_FUNC(gethostbyname_r, [ AC_MSG_CHECKING([signature of gethostbyname_r]) AC_TRY_COMPILE([ # include ], [ struct hostent *h, *r; char *n, *b; int bl, e; (void) gethostbyname_r(n, h, b, bl, &r, &e) ], [ AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARGS) AC_MSG_RESULT([6 args]) ], [ AC_TRY_COMPILE([ # include ], [ struct hostent *h; char *n, *b; int bl, e; (void) gethostbyname_r(n, h, b, bl, &e) ], [ AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARGS) AC_MSG_RESULT([5 args]) ], [ AC_TRY_COMPILE([ # include ], [ struct hostent_data *d; struct hostent *h; char *n, (void) gethostbyname_r(n, h, d) ], [ AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARGS) AC_MSG_RESULT([3 args]) ], [ AC_MSG_RESULT(unrecognised) ]) ]) ]) ], [ AC_MSG_RESULT(no) ]) AC_CHECK_FUNC(gmtime_r, [ AC_MSG_CHECKING([signature of gmtime_r]) AC_TRY_COMPILE([ # include ], [ struct time *t; struct tm *tm; (void) gmtime_r(t, tm) ], [ AC_MSG_RESULT(ok) AC_DEFINE(HAVE_GMTIME_R) ], [ AC_MSG_RESULT(unrecognised) ]) ], [ AC_MSG_RESULT(no) ]) AC_CHECK_FUNC(localtime_r, [ AC_MSG_CHECKING([signature of localtime_r]) AC_TRY_COMPILE([ # include ], [ struct time *t; struct tm *tm; (void) localtime_r(t, tm) ], [ AC_MSG_RESULT(ok) AC_DEFINE(HAVE_LOCALTIME_R) ], [ AC_MSG_RESULT(unrecognised) ]) ], [ AC_MSG_RESULT(no) ]) dnl ================================================================= dnl Solaris specific dnl FIXME: Not tested on Solaris yet... dnl ISFIXED: Have tested it on Solaris, but there are other ways to dnl make these checks generic, e.g.: dnl AC_CHECK_FUNC(getsockopt, , AC_CHECK_LIB(socket, getsockopt)) dnl (Moritz Barsnick ) dnl ================================================================= SOCKET_LIB= case "$host" in *-solaris*) SOCKET_LIB="-lsocket -lnsl" AC_DEFINE(__EXTENSIONS__) if test "$GCC" = "yes"; then # Set a GCC specific switch: # This compiler switch makes Solaris thread-safe PTHREAD_LIB= SPECIAL_CFLAGS="-pthreads" else # What do we do without GCC? Guess this: SPECIAL_CFLAGS="-D_REENTRANT" fi ;; esac AC_SUBST(SOCKET_LIB) dnl ================================================================= dnl Solaris problem, and others perhaps (socklen_t is undefined) dnl ================================================================= if test $target_type != mingw; then # i686-w64-mingw32-gcc gets socklen_t define from ws2tcpip.h AC_MSG_CHECKING([for socklen_t]) AC_EGREP_HEADER(socklen_t, sys/socket.h, AC_MSG_RESULT([yes]), AC_MSG_RESULT([no]) AC_DEFINE(socklen_t,int, [ Define to 'int' if doesn't have it. ])) fi dnl ================================================================= dnl Mac OSX specific dnl ================================================================= case "$host" in *-apple-darwin*) SPECIAL_CFLAGS="-Dunix" ;; esac dnl ================================================================= dnl OpenBSD specific dnl ================================================================= case "$host" in *-openbsd*) SPECIAL_CFLAGS="$SPECIAL_CFLAGS -Dunix" ;; esac dnl ================================================================= dnl Haiku specific dnl ================================================================= if test "$host_os" = haiku; then # Omit the "-pthread" flag to gcc, even when building with gcc 2.95 SPECIAL_CFLAGS= # Haiku's pthreads implementation exists in its system library, # libroot, not in a separate pthreads library PTHREAD_LIB= # Networking code exists in libnetwork SOCKET_LIB=-lnetwork # Search Haiku's common-library folder to find its pcre and # pcreposix libraries LIBS="-L/boot/common/lib $LIBS" fi dnl ================================================================= dnl Check for standard compiler stuff dnl ================================================================= AC_EXEEXT AC_OBJEXT AC_HEADER_STDC AC_HEADER_DIRENT AC_C_CONST AC_TYPE_SIZE_T AC_TYPE_PID_T AC_HEADER_TIME AC_STRUCT_TM AC_CHECK_SIZEOF(int, 4) AC_CHECK_SIZEOF(char *, 4) AC_CHECK_SIZEOF(long, 4) AC_CHECK_SIZEOF(long long, 8) AC_CHECK_SIZEOF(size_t, 4) AC_CHECK_SIZEOF(time_t, 8) dnl Checks for header files. AC_CHECK_HEADERS([ \ OS.h \ arpa/inet.h \ errno.h \ fcntl.h \ limits.h \ locale.h \ netdb.h \ netinet/in.h \ stddef.h \ stdlib.h \ string.h \ sys/ioctl.h \ sys/socket.h \ sys/time.h \ sys/timeb.h \ sys/wait.h \ unistd.h \ ]) dnl Checks for library functions. AC_PROG_GCC_TRADITIONAL AC_TYPE_SIGNAL AC_CHECK_FUNCS([ \ access \ arc4random \ atexit \ calloc \ getcwd \ gethostbyaddr \ gethostbyaddr_r \ gethostbyname \ gethostbyname_r \ gettimeofday \ inet_ntoa \ memchr \ memmove \ memset \ nanosleep \ poll \ putenv \ random \ regcomp \ select \ setlocale \ shutdown \ snprintf \ socket \ strchr \ strdup \ strerror \ strftime \ strlcat \ strlcpy \ strptime \ strtoul \ timegm \ tzset \ ]) dnl Checks for RFC 2553 resolver and socket functions AC_ARG_ENABLE(ipv6-support, [ --disable-ipv6-support Disable IPv6 support and other RFC-2554-related improvements], [if test $enableval = yes; then enable_ipv6_support=yes fi], enable_ipv6_support=yes) if test $enable_ipv6_support != yes; then AC_MSG_WARN([Skipping checks for IPv6 support and other RFC-2554-related improvements. Due to lock contention, this may result in slower DNS resolution for IPv4 setups, too.]) elif test $target_type = mingw; then AC_CHECK_LIB(ws2_32, main) AC_MSG_CHECKING(getaddrinfo in ws2_32) AC_TRY_LINK( [ #include #include #include ], [getaddrinfo(0,0,0,0)], have_ws2_32_getaddrinfo=yes ) AC_MSG_RESULT($have_ws2_32_getaddrinfo) AC_MSG_CHECKING(getnameinfo in ws2_32) AC_TRY_LINK( [ #include #include #include ], [getnameinfo(0,0,0,0,0,0,0)], have_ws2_32_getnameinfo=yes ) AC_MSG_RESULT($have_ws2_32_getnameinfo) if test $have_ws2_32_getaddrinfo ; then if test $have_ws2_32_getnameinfo ; then AC_DEFINE([HAVE_RFC2553], [1], [Define if RFC 2553 resolver functions like getaddrinfo(3) and getnameinfo(3) present]) fi fi else AC_CHECK_FUNC([getaddrinfo], [AC_CHECK_FUNC([getnameinfo], [AC_DEFINE([HAVE_RFC2553], [1], [Define if RFC 2553 resolver functions like getaddrinfo(3) and getnameinfo(3) present]) ]) ]) fi dnl ================================================================= dnl Checks for libraries. dnl ================================================================= dnl Note: Some systems may have the library but not the system header dnl file, so we must check for both. dnl Also check for correct version AC_CHECK_LIB(pcre, pcre_compile, [ AC_CHECK_HEADER(pcre.h, [ AC_EGREP_HEADER(pcre_fullinfo, pcre.h, [have_pcre=yes], [AC_MSG_WARN([[pcre old version installed]]); have_pcre=no]) ], [ AC_CHECK_HEADER(pcre/pcre.h, [ 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]) ], [have_pcre=no]) ]) ], [have_pcre=no]) AC_CHECK_LIB(pcreposix, regcomp, [ AC_CHECK_HEADER(pcreposix.h, [ AC_EGREP_HEADER(pcreposix_regerror, pcreposix.h, [AC_MSG_WARN([[pcreposix old version installed]]); have_pcreposix=no], [have_pcreposix=yes]) ], [ AC_CHECK_HEADER(pcre/pcreposix.h, [ 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)]) ], [have_pcreposix=no]) ]) ], [have_pcreposix=no], -lpcre) dnl ================================================================ dnl libpcrs is temporarily disabled. dnl dnl Privoxy's own pcrs version fixes some problems that dnl are present in libpcrs 0.3, the last pcrs release we dnl know of, and as libpcrs seems to be currently unmaintained dnl we can't send these fixes upstream. dnl ================================================================ dnl dnl AC_CHECK_LIB(pcrs, pcrs_compile, [AC_CHECK_HEADER(pcrs.h, [have_pcrs=yes], [have_pcrs=no])], [have_pcrs=no], -lpcre) dnl ================================================================= dnl Always defined dnl ================================================================= AC_DEFINE(__MT__) dnl ================================================================= dnl Features dnl ================================================================= AC_ARG_ENABLE(toggle, [ --disable-toggle Don't support temporary disable], [if test $enableval = yes; then AC_DEFINE(FEATURE_TOGGLE) fi],AC_DEFINE(FEATURE_TOGGLE)) AC_ARG_ENABLE(force, [ --disable-force Don't allow single-page disable], [if test $enableval = yes; then AC_DEFINE(FEATURE_FORCE_LOAD) fi],AC_DEFINE(FEATURE_FORCE_LOAD)) AC_ARG_ENABLE(fast-redirects, [ --disable-fast-redirects Don't support fast redirects], [if test $enableval = yes; then AC_DEFINE(FEATURE_FAST_REDIRECTS) fi], AC_DEFINE(FEATURE_FAST_REDIRECTS)) AC_ARG_ENABLE(stats, [ --disable-stats Don't keep statistics], [if test $enableval = yes; then AC_DEFINE(FEATURE_STATISTICS) fi],AC_DEFINE(FEATURE_STATISTICS)) AC_ARG_ENABLE(extended-statistics, [ --enable-extended-statistics Gather extended statistics.], [if test $enableval = yes; then AC_DEFINE(FEATURE_EXTENDED_STATISTICS) fi]) AC_ARG_ENABLE(image-blocking, [ --disable-image-blocking Don't try to figure out whether a request is for an image or HTML - assume HTML.], [if test $enableval = yes; then AC_DEFINE(FEATURE_IMAGE_BLOCKING) fi], AC_DEFINE(FEATURE_IMAGE_BLOCKING)) AC_ARG_ENABLE(acl-support, [ --disable-acl-support Prevents the use of ACLs to control access to Privoxy by IP address.], [if test $enableval = yes; then AC_DEFINE(FEATURE_ACL) fi], AC_DEFINE(FEATURE_ACL)) AC_ARG_ENABLE(trust-files, [ --disable-trust-files Prevents the use of trust files.], [if test $enableval = yes; then AC_DEFINE(FEATURE_TRUST) fi], AC_DEFINE(FEATURE_TRUST)) AC_ARG_ENABLE(editor, [ --disable-editor Prevents the use of the web-based actions file editor and web-based temporary disable setting.], [if test $enableval = yes; then AC_DEFINE(FEATURE_CGI_EDIT_ACTIONS) fi], AC_DEFINE(FEATURE_CGI_EDIT_ACTIONS)) AC_ARG_ENABLE(no-gifs, [ --enable-no-gifs Use politically correct PNG format instead of GIF for built-in images. May not work with all browsers.], [if test $enableval = yes; then AC_DEFINE(FEATURE_NO_GIFS) fi]) AC_ARG_ENABLE(graceful-termination, [ --enable-graceful-termination Allow to shutdown Privoxy through the webinterface.], [if test $enableval = yes; then AC_DEFINE(FEATURE_GRACEFUL_TERMINATION) fi]) AC_ARG_ENABLE(pcre-host-patterns, [ --enable-pcre-host-patterns Allow to use PCRE syntax in host patterns by prefixing the pattern with "PCRE-HOST-PATTERN:". You can use tools/url-pattern-translator.pl to convert existing action files to use PCRE host patterns.], [if test $enableval = yes; then AC_DEFINE(FEATURE_PCRE_HOST_PATTERNS) fi]) AC_ARG_ENABLE(pcre-jit-compilation, [ --disable-pcre-jit-compilation Don't let pcrs use pcre JIT compilation even if pcre supports it.], [if test $enableval != yes; then AC_DEFINE(DISABLE_PCRE_JIT_COMPILATION) fi]) AC_ARG_ENABLE(external-filters, [ --enable-external-filters Allow to filter content with scripts and programs. Experimental.], [if test $enableval = yes; then AC_DEFINE(FEATURE_EXTERNAL_FILTERS,1,[Define to 1 to allow to filter content with scripts and programs.]) fi]) AC_ARG_ENABLE(accept-filter, [ --enable-accept-filter Try to use accf_http(9) if supported.], [if test $enableval = yes; then AC_DEFINE(FEATURE_ACCEPT_FILTER) fi]) AC_ARG_ENABLE(strptime-sanity-checks, [ --enable-strptime-sanity-checks Only trust strptime() results if an additional strftime()/strptime() conversion doesn't change the result. Can be useful if strptime() is known or suspected to be broken.], [if test $enableval = yes; then AC_DEFINE(FEATURE_STRPTIME_SANITY_CHECKS) fi]) AC_ARG_ENABLE(client-tags, [ --disable-client-tags Disable support for client-specific tags], [ if test $enableval = "no"; then have_client_tags=no; fi ]) if test "${have_client_tags}" = "no"; then echo "Disabling support for client-specific tags." FEATURE_CLIENT_TAGS_ONLY="#" else echo "Enabling support for client-specific tags." AC_DEFINE(FEATURE_CLIENT_TAGS,1,[Define to enable support for client-specific tags.]) FEATURE_CLIENT_TAGS_ONLY="" fi AC_SUBST(FEATURE_CLIENT_TAGS_ONLY) FUZZ_ONLY="#" AC_ARG_ENABLE(fuzz, [ --enable-fuzz Enable code that makes fuzzing more convenient], [if test $enableval = yes; then FUZZ_ONLY="" AC_DEFINE(FUZZ,1,[Define to make fuzzing more convenient.]) fi]) AC_SUBST(FUZZ_ONLY) dnl pcre/pcrs is needed for CGI anyway, so dnl the choice is only between static and dnl dynamic: AC_ARG_ENABLE(dynamic-pcre, [ --disable-dynamic-pcre Use the built-in, static pcre, even if libpcre is available], [ if test $enableval = "no"; then have_pcre=no; fi ]) dnl ================================================= dnl libpcrs is temporarily disabled, dnl see comment above for the reason. dnl ================================================= dnl AC_ARG_ENABLE(dynamic-pcrs, dnl [ --disable-dynamic-pcrs Use the built-in, static pcrs, even if libpcrs is available], dnl [ if test $enableval = "no"; then have_pcrs=no; fi ]) dnl ==================================================== dnl This check is incomplete. For mingw32 zlib is found dnl by configure, but not necessarily by the compiler. dnl ==================================================== AC_ARG_ENABLE(zlib, [ --disable-zlib Don't use zlib to decompress data before filtering.], [enableval2=$enableval], [enableval2=yes]) if test $enableval2 = yes; then AC_CHECK_LIB(z, zlibVersion, [have_zlib="yes"], [have_zlib="no"]) if test $have_zlib = "yes"; then LIBS="$LIBS -lz" AC_DEFINE(FEATURE_ZLIB,1,[Define to 1 to use zlib to decompress data before filtering.]) else AC_MSG_WARN([No zlib found. Privoxy will not be able to filter compressed content. This may become a fatal error in the future.]) fi fi AC_ARG_ENABLE(compression, [ --enable-compression Allow Privoxy to compress buffered content if the client supports it. Requires zlib support.], [enableval2=$enableval], [enableval2=no]) if test $enableval2 = yes; then if test $have_zlib = "yes"; then echo Enabling compression support. AC_DEFINE(FEATURE_COMPRESSION,1,[Define to 1 to use compression through the zlib library.]) else AC_MSG_WARN([No zlib found. Privoxy will not be able to (re-)compressed buffered content.]) fi fi # If we have libpcre and either we also have pcreposix or # we don't need pcreposix, then link pcre dynamically; else # build it and link statically # if test $have_pcre = "yes"; then echo "using libpcre" STATIC_PCRE_ONLY=# LIBS="$LIBS -lpcre -lpcreposix" if test "$use_static_pcre" = "yes"; then pcre_dyn=no AC_DEFINE(PCRE_STATIC,1,[Define to statically link to pcre library on Windows.]) # see /usr/i686-w64-mingw32/sys-root/mingw/include/pcre.h line 54 # #if defined(_WIN32) && !defined(PCRE_STATIC) # # ifndef PCRE_EXP_DECL # # define PCRE_EXP_DECL extern __declspec(dllimport) # # endif # If you want to statically link a program against a PCRE library in the form of # a non-dll .a file, you must define PCRE_STATIC before including pcre.h or # pcrecpp.h, otherwise the pcre_malloc() and pcre_free() exported functions will # be declared __declspec(dllimport), with unwanted results. else pcre_dyn=yes AC_DEFINE(FEATURE_DYNAMIC_PCRE,1,[Define to dynamically link to pcre.]) fi else AC_MSG_ERROR(pcre library not detected.) fi AC_DEFINE(FEATURE_CONNECTION_KEEP_ALIVE) if test $have_pthread = "yes" -o $target_type = "mingw"; then echo Enabling connection-sharing support. AC_DEFINE(FEATURE_CONNECTION_SHARING) fi dnl ================================================= dnl libpcrs is temporarily disabled, dnl see comment above for the reason. dnl ================================================= dnl # If we have libpcrs and pcre is linked dynamically dnl # then also link pcrs dynamically, else build and link dnl # pcrs statically dnl dnl if test $have_pcrs = "yes" -a $pcre_dyn = "yes"; then dnl echo "using libpcrs" dnl STATIC_PCRS_ONLY=# dnl LIBS="$LIBS -lpcrs" dnl else dnl echo "using built-in static pcrs" AC_DEFINE(STATIC_PCRS) STATIC_PCRS_ONLY= dnl fi AC_SUBST(STATIC_PCRE_ONLY) AC_SUBST(STATIC_PCRS_ONLY) FEATURE_HTTPS_INSPECTION_ONLY=# dnl ======================================================== dnl check for mbedTLS which can be used for https inspection dnl ======================================================== FEATURE_HTTPS_INSPECTION_ONLY_MBEDTLS=# OPT_MBEDTLS=no AC_ARG_WITH(mbedtls,dnl AC_HELP_STRING([--with-mbedtls], [Enable mbedTLS detection for https inspection.]) AC_HELP_STRING([--without-mbedtls], [Disable mbedTLS detection]), OPT_MBEDTLS=$withval) if test X"$OPT_MBEDTLS" != Xno; then AC_CHECK_LIB(mbedtls, mbedtls_ssl_init, [ AC_DEFINE(FEATURE_HTTPS_INSPECTION, 1, [if SSL/TLS is enabled]) AC_DEFINE(FEATURE_HTTPS_INSPECTION_MBEDTLS, 1, [if mbedTLS is enabled]) AC_SUBST(FEATURE_HTTPS_INSPECTION_MBEDTLS, [1]) FEATURE_HTTPS_INSPECTION_MBEDTLS="yes" ], [], -lmbedx509 -lmbedcrypto) if test "x$FEATURE_HTTPS_INSPECTION_MBEDTLS" = "xyes"; then AC_MSG_NOTICE([Detected mbedTLS. Enabling https inspection.]) LIBS="-lmbedtls -lmbedx509 -lmbedcrypto $LIBS" old_CFLAGS_nospecial="-Imbedtls/include $old_CFLAGS_nospecial" FEATURE_HTTPS_INSPECTION_ONLY= FEATURE_HTTPS_INSPECTION_ONLY_MBEDTLS= fi fi AC_SUBST(FEATURE_HTTPS_INSPECTION_ONLY_MBEDTLS) dnl ================================================================= dnl check for OpenSSL/LibreSSL which can be used for https inspection dnl ================================================================= FEATURE_HTTPS_INSPECTION_ONLY_OPENSSL=# OPT_OPENSSL=no AC_ARG_WITH(openssl,dnl AC_HELP_STRING([--with-openssl], [Enable OpenSSL/LibreSSL detection for https inspection.]) AC_HELP_STRING([--without-openssl], [Disable OpenSSL/LibreSSL detection]), OPT_OPENSSL=$withval) if test X"$OPT_OPENSSL" != Xno; then if test X"$OPT_MBEDTLS" != Xno; then AC_MSG_ERROR([OpenSSL and mbedTLS support can't be enabled at the same time]) fi if test "$PORTNAME" != "win32"; then AC_CHECK_LIB(crypto, CRYPTO_new_ex_data, [], [AC_MSG_ERROR([library 'crypto' is required for OpenSSL])]) FOUND_SSL_LIB="no" AC_CHECK_LIB(ssl, OPENSSL_init_ssl, [FOUND_SSL_LIB="yes"]) AC_CHECK_LIB(ssl, SSL_library_init, [FOUND_SSL_LIB="yes"]) AS_IF([test "x$FOUND_SSL_LIB" = xno], [AC_MSG_ERROR([library 'ssl' is required for OpenSSL])]) else AC_SEARCH_LIBS(CRYPTO_new_ex_data, eay32 crypto, [], [AC_MSG_ERROR([library 'eay32' or 'crypto' is required for OpenSSL])]) FOUND_SSL_LIB="no" AC_SEARCH_LIBS(OPENSSL_init_ssl, ssleay32 ssl, [FOUND_SSL_LIB="yes"]) AC_SEARCH_LIBS(SSL_library_init, ssleay32 ssl, [FOUND_SSL_LIB="yes"]) AS_IF([test "x$FOUND_SSL_LIB" = xno], [AC_MSG_ERROR([library 'ssleay32' or 'ssl' is required for OpenSSL])]) fi if test "x$FOUND_SSL_LIB" = xyes; then AC_DEFINE(FEATURE_HTTPS_INSPECTION, 1, [if SSL/TLS is enabled]) AC_DEFINE(FEATURE_HTTPS_INSPECTION_OPENSSL, 1, [if OpenSSL is enabled]) AC_SUBST(FEATURE_HTTPS_INSPECTION_OPENSSL, [1]) FEATURE_HTTPS_INSPECTION="yes" FEATURE_HTTPS_INSPECTION_OPENSSL="yes" fi if test "x$FEATURE_HTTPS_INSPECTION_OPENSSL" = "xyes"; then AC_MSG_NOTICE([Detected OpenSSL. Enabling https inspection.]) AC_MSG_WARN([If you intend to redistribute Privoxy, please make sure the "special exception" from section 3 of the GPLv2 applies.]) LIBS="$LIBS -lssl -lcrypto" old_CFLAGS_nospecial="$old_CFLAGS_nospecial" FEATURE_HTTPS_INSPECTION_ONLY= FEATURE_HTTPS_INSPECTION_ONLY_OPENSSL= fi fi AC_SUBST(FEATURE_HTTPS_INSPECTION_ONLY_OPENSSL) AC_SUBST(FEATURE_HTTPS_INSPECTION_ONLY) dnl ======================================================== dnl Check for Brotli which can be used for decompression dnl ======================================================== WITH_BROTLI=no AC_ARG_WITH(brotli, AC_HELP_STRING([--with-brotli], [Enable Brotli detection]) AC_HELP_STRING([--without-brotli], [Disable Brotli detection]), WITH_BROTLI=$withval) if test X"$WITH_BROTLI" != Xno; then LIBS="$LIBS -lbrotlidec" if test $target_type = mingw; then # XXX: why does just the mingw build need this??? LIBS="$LIBS -lbrotlicommon -lbrotlienc" fi AC_CHECK_LIB(brotlidec, BrotliDecoderDecompress) AC_CHECK_HEADERS(brotli/decode.h, FEATURE_BROTLI=1 AC_DEFINE(FEATURE_BROTLI, 1, [If Brotli is used for decompression]) AC_SUBST(FEATURE_BROTLI, [1]) ) fi dnl ================================================================= dnl Final cleanup and output dnl ================================================================= dnl Remove the SPECIAL_CFLAGS stuff from CFLAGS, and add it separately dnl in the Makefile CFLAGS=$old_CFLAGS_nospecial AC_SUBST(SPECIAL_CFLAGS) AC_SUBST(PTHREAD_LIB) AC_OUTPUT(GNUmakefile doc/source/ldp.dsl)