+AC_CHECK_FUNC(gmtime_r, [
+ AC_MSG_CHECKING([signature of gmtime_r])
+ AC_TRY_COMPILE([
+# include <time.h>
+ ], [
+ 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 <time.h>
+ ], [
+ 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 <moritz@barsnick.net>)
+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 =================================================================
+
+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 <sys/socket.h> doesn't have it. ]))
+
+
+dnl =================================================================
+dnl OS/2 specific
+dnl =================================================================
+
+case "$host" in
+*-os2-emx*) SOCKET_LIB=-lsocket
+;;
+esac
+
+AC_SUBST(SOCKET_LIB)
+
+dnl =================================================================
+dnl Mac OSX specific
+dnl =================================================================
+
+case "$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 AmigaOS specific
+dnl =================================================================
+
+AMIGAOS_ONLY=#
+
+case "$host" in
+*-amigaos) AMIGAOS_ONLY=
+;;
+esac
+
+AC_SUBST(AMIGAOS_ONLY)
+
+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)
+
+dnl Checks for header files.
+dnl AC_HEADER_SYS_WAIT
+dnl AC_CHECK_HEADERS(fcntl.h limits.h malloc.h sys/time.h unistd.h)
+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.
+dnl AC_TYPE_SIGNAL
+dnl AC_CHECK_FUNC(strstr)
+dnl bcopy and memmove are for PCRE
+AC_CHECK_FUNCS([strerror bcopy memmove])
+AC_PROG_GCC_TRADITIONAL
+dnl uncommenting does not work for swa. suse linux
+dnl AC_FUNC_MALLOC
+AC_FUNC_SETPGRP
+AC_TYPE_SIGNAL
+dnl uncommenting does not work for swa. suse linux
+dnl AC_FUNC_STAT
+AC_CHECK_FUNCS([access atexit getcwd gethostbyaddr gethostbyaddr_r gethostbyname gethostbyname_r gettimeofday inet_ntoa localtime_r memchr memmove memset poll putenv random regcomp select setlocale snprintf socket strchr strdup strerror strftime strlcat strlcpy strptime strstr strtoul timegm tzset])
+
+dnl Checks for RFC 2553 resolver and socket functions
+if test $target_type = mingw; then
+ AC_CHECK_LIB(ws2_32, main)
+
+ AC_MSG_CHECKING(getaddrinfo in ws2_32)
+ AC_TRY_LINK(
+ [
+ #include<windows.h>
+ #include<ws2tcpip.h>
+ ],
+ [getaddrinfo(0,0,0,0)],
+ have_ws2_32_getaddrinfo=yes
+ )
+ AC_MSG_RESULT($have_ws2_32_getaddrinfo)
+
+ AC_MSG_CHECKING(getnameinfo in ws2_32)
+ AC_TRY_LINK(
+ [
+ #include<windows.h>
+ #include<ws2tcpip.h>
+ ],
+ [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)