Renamed configure.in to configure.ac

1 files changed, 746 insertions, 0 deletions

diff --git a/maildrop/configure.ac b/maildrop/configure.ac
new file mode 100644
index 0000000..30a0ec1
--- /dev/null
+++ b/maildrop/configure.ac
@@ -0,0 +1,746 @@
+dnl
+dnl Copyright 1998 - 2012 Double Precision, Inc.  See COPYING for
+dnl distribution information.
+
+AC_INIT(maildrop, 2.6.0, [courier-users@lists.sourceforge.net])
+
+>confdefs.h  # Kill PACKAGE_ macros
+
+AC_CONFIG_SRCDIR(alarm.C)
+AC_CONFIG_AUX_DIR(../..)
+LPATH="$PATH:/usr/local/bin"
+AM_INIT_AUTOMAKE([foreign no-define])
+
+AC_PROG_MAKE_SET
+AM_CONFIG_HEADER(config.h)
+
+dnl Checks for programs.
+AC_USE_SYSTEM_EXTENSIONS
+AC_PROG_CC
+AC_PROG_AWK
+AC_PROG_LN_S
+AC_PROG_CXX
+AM_PROG_LIBTOOL
+
+AC_PATH_PROGS(PERL, perl5 perl, perl, $LPATH)
+
+AC_ARG_ENABLE(DEBUG,[  --enable-DEBUG               leave debug info in executables],STRIP=true)
+
+AC_CACHE_CHECK(for -fhandle-exceptions flag to g++,maildrop_cv_handle_exceptions,
+
+maildrop_cv_handle_exceptions=no
+
+if test "$GXX" = yes ; then
+
+AC_LANG_CPLUSPLUS
+
+AC_TRY_COMPILE( [
+],[
+throw;
+],,maildrop_cv_handle_exceptions=yes
+)
+
+AC_LANG_C
+fi
+
+)
+
+if test "$maildrop_cv_handle_exceptions" = yes ; then
+   CXXFLAGS="$CXXFLAGS -fhandle-exceptions"
+   CXXFLAGS=`echo "$CXXFLAGS" | sed 's/-O2//'`
+fi
+
+AC_CACHE_CHECK([ability to handle both const and non-const exceptions],
+		maildrop_cv_const_exceptions,
+
+AC_LANG_CPLUSPLUS
+
+AC_TRY_COMPILE([
+
+extern void foo();
+extern void bar(const char *);
+
+],[
+
+       try
+       {
+             foo();
+       }
+       catch (const char *p)
+       {
+             bar(p);
+       }
+       catch (char *p)
+       {
+             bar(p);
+       }
+       catch (...)
+       {
+             bar(0);
+       }
+
+]
+, maildrop_cv_const_exceptions="yes",maildrop_cv_const_exceptions="no")
+)
+
+if test "$maildrop_cv_const_exceptions" = "yes"
+then
+	AC_DEFINE_UNQUOTED(NEED_NONCONST_EXCEPTIONS,1,
+	[ Define this if we need both catch(const foo) and catch(foo) ])
+fi
+
+AC_LANG_C
+
+dnl Checks for libraries.
+
+AC_CHECK_LIB(sun,getpwnam)
+
+AC_ARG_WITH(package, [], package="$withval",
+	[
+		package="$PACKAGE"
+		ac_configure_args="$ac_configure_args --with-package=$PACKAGE"
+	])
+
+AC_ARG_WITH(version, [], version="$withval",
+	[
+		version="$VERSION"
+		ac_configure_args="$ac_configure_args --with-version=$VERSION"
+	])
+
+AC_PATH_PROGS(COURIERAUTHCONFIG, courierauthconfig)
+
+# When we're a part of the Courier build, we let Courier do the authlib stuff
+
+if test -d ${srcdir}/../../courier
+then
+	COURIERAUTHCONFIG=""
+fi
+
+AC_ARG_ENABLE(authlib, [], [
+if test "$enableval" = "no"
+then
+	COURIERAUTHCONFIG=""
+fi
+])
+
+AUTHINCLUDE=""
+AUTHLDADD=""
+AUTHLIB=0
+
+if test "$COURIERAUTHCONFIG" != ""
+then
+	AUTHINCLUDE=`$COURIERAUTHCONFIG --cppflags`
+	AUTHLDADD="`$COURIERAUTHCONFIG --ldflags` -lcourierauth"
+	AUTHLIB=1
+fi
+
+AC_SUBST(AUTHINCLUDE)
+AC_SUBST(AUTHLDADD)
+AC_DEFINE_UNQUOTED(AUTHLIB, $AUTHLIB, [ Whether the Courier authentication library was detected ])
+
+dnl Determine whether to use GDBM, or libdb.
+
+. ../../dbobj.config
+
+if test "$dblibrary" != ""
+then
+	dblibrary="../../$dblibrary"
+fi
+AC_SUBST(dblibrary)
+
+dnl Checks for header files.
+AC_HEADER_STDC
+AC_HEADER_SYS_WAIT
+AC_HEADER_TIME
+AC_HEADER_DIRENT
+AC_CHECK_HEADERS(fcntl.h memory.h sys/file.h sys/time.h sys/stat.h unistd.h strings.h locale.h pcre.h pcre/pcre.h)
+
+dnl Checks for typedefs, structures, and compiler characteristics.
+AC_TYPE_MODE_T
+AC_TYPE_OFF_T
+AC_TYPE_SIZE_T
+AC_TYPE_PID_T
+AC_TYPE_UID_T
+AC_STRUCT_TM
+AC_TYPE_GETGROUPS
+AC_SYS_LARGEFILE
+
+AC_TRY_RUN( [
+
+#include        <stdio.h>
+#include        <stdlib.h>
+#include        <limits.h>
+
+int main()
+{
+FILE    *fp=fopen("conftestval", "w");
+
+        if (!fp)        exit(1);
+        fprintf(fp, "-%lu\n", ULONG_MAX);
+        fclose(fp);
+        return (0);
+}
+]
+        , [ MAXLONGSIZE=`wc -c conftestval | awk ' { print $1 } '  ` ],
+        [
+                AC_MSG_ERROR(Unable to run test program.)
+        ] ,
+        [
+                MAXLONGSIZE=60
+                AC_MSG_WARN([Cross compiling, setting MAXLONGSIZE to $MAXLONGSIZ
+E])
+        ]
+                )
+
+AC_DEFINE_UNQUOTED(MAXLONGSIZE, $MAXLONGSIZE,
+				[ Maximum character size of a long ])
+
+dnl Checks for library functions.
+
+AC_FUNC_CLOSEDIR_VOID
+AC_TYPE_SIGNAL
+AC_CHECK_FUNCS(setgroups setlocale)
+
+AC_CHECK_FUNC(getpgrp, HAS_GETPGRP=1, HAS_GETPGRP=0)
+AC_DEFINE_UNQUOTED(HAS_GETPGRP,$HAS_GETPGRP,
+	[ Whether getpgrp() is available ])
+
+AC_CHECK_FUNC(getpgid, HAS_GETPGID=1, HAS_GETPGID=0)
+AC_DEFINE_UNQUOTED(HAS_GETPGID,$HAS_GETPGID,
+	[ Whether getpgid() is available ])
+
+if test $HAS_GETPGRP
+then
+	AC_FUNC_GETPGRP
+fi
+
+AC_CACHE_CHECK(setpgrp(),maildrop_cv_HAS_SETPGRP,
+
+if test $HAS_GETPGRP -o $HAS_GETPGID
+then
+    AC_TRY_LINK([
+#include	<stdio.h>
+#if HAVE_UNISTD_H
+#include	<unistd.h>
+#endif
+],[
+	(void)setpgrp();
+],maildrop_cv_HAS_SETPGRP=1,maildrop_cv_HAS_SETPGRP=0)
+
+else
+	maildrop_cv_HAS_SETPGRP=0
+fi
+
+)
+AC_DEFINE_UNQUOTED(HAS_SETPGRP,$maildrop_cv_HAS_SETPGRP,
+	[ Whether setpgrp() is available ])
+
+AC_CACHE_CHECK(setpgid(),maildrop_cv_HAS_SETPGID,
+
+if test $HAS_GETPGRP -o $HAS_GETPGID
+then
+
+    AC_TRY_LINK([
+#include	<stdio.h>
+#if HAVE_UNISTD_H
+#include	<unistd.h>
+#endif
+],[
+	(void)setpgid(0,0);
+],maildrop_cv_HAS_SETPGID=1,maildrop_cv_HAS_SETPGID=0)
+else
+	maildrop_cv_HAS_SETPGID=0
+fi
+)
+AC_DEFINE_UNQUOTED(HAS_SETPGID,$maildrop_cv_HAS_SETPGID,
+	[ Whether setpgid() is available ])
+
+AC_CACHE_CHECK([for missing gethostname prototype],maildir_cv_SYS_GETHOSTNAME,
+
+AC_TRY_COMPILE([
+#if HAVE_UNISTD_H
+#include	<unistd.h>
+#endif
+
+extern "C" int gethostname(int,int);
+],[
+],maildir_cv_SYS_GETHOSTNAME=yes,maildir_cv_SYS_GETHOSTNAME=no
+)
+
+)
+
+if test $maildir_cv_SYS_GETHOSTNAME = "no"
+then
+	AC_DEFINE_UNQUOTED(HAS_GETHOSTNAME,1,
+	[ Whether gethostname() needs to be prototyped ])
+fi
+
+dnl Post processing
+
+AC_CACHE_CHECK(default PATH for commands,maildrop_cv_SYS_DEFAULT_PATH,
+maildrop_cv_SYS_DEFAULT_PATH="/bin:/usr/bin"
+if test -d /usr/local/bin
+then
+	maildrop_cv_SYS_DEFAULT_PATH="$maildrop_cv_SYS_DEFAULT_PATH":/usr/local/bin
+fi
+)
+
+AC_DEFINE_UNQUOTED(DEFAULT_PATH,"$maildrop_cv_SYS_DEFAULT_PATH",
+	[ Default value of the PATH variable ])
+
+if test -x /var/qmail/bin/qmail-inject
+then
+	QMAIL="/var/qmail/bin/qmail-inject"
+else
+	AC_CHECK_PROG(QMAIL,qmail-inject,qmail-inject,)
+fi
+
+dnl Try to find sendmail.
+
+test "x$prefix" = xNONE && prefix=$ac_default_prefix
+test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
+
+if test -d $srcdir/../../courier
+then
+#
+# This version of maildrop is integrated into Courier mail server
+
+	AC_DEFINE_UNQUOTED(HAVE_COURIER,1,
+	[ Whether this version of maildrop is part of Courier ])
+fi
+
+AC_ARG_ENABLE(sendmail,[  --enable-sendmail=prog       set sendmail location],
+	[ MTA="$enableval -oi"],
+	[ MTA=""
+#
+# When maildrop is configured as part of courier, MTA is fixed to use Courier.
+#
+	if test -d $srcdir/../../courier
+	then
+		eval "prefix=$prefix"
+		eval "exec_prefix=$exec_prefix"
+		eval "bindir=$bindir"
+		MTA=$bindir/sendmail
+	fi
+
+	])
+
+test "x$prefix" = xNONE && prefix=$ac_default_prefix
+test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
+
+
+eval "prefix=$prefix"
+eval "exec_prefix=$exec_prefix"
+eval "sysconfdir=$sysconfdir"
+
+AC_CACHE_CHECK(mail transport agent,maildrop_cv_SYS_MTA,
+
+if test "$MTA" != ""
+then
+	maildrop_cv_SYS_MTA="$MTA"
+else
+	maildrop_cv_SYS_MTA="/bin/sendmail -oi"
+
+	for f in /var/qmail/bin/sendmail /usr/bin/sendmail /usr/sbin/sendmail /lib/sendmail /usr/lib/sendmail /etc/sendmail /sbin/sendmail
+	do
+		if test -x $f
+		then
+			maildrop_cv_SYS_MTA="$f -oi"
+			break
+		fi
+	done
+fi
+
+)
+
+if test "$MTA" != ""
+then
+	maildrop_cv_SYS_MTA="$MTA"
+fi
+
+AC_DEFINE_UNQUOTED(SENDMAIL_DEF,"$maildrop_cv_SYS_MTA",
+	[ Default value for the SENDMAIL variable ])
+
+dnl###########################################################################
+dnl#
+dnl# Try to locate any mail spool directory suffix, whether it is just
+dnl# $SPOOL/userid, or $SPOOL/u/userid, or $SPOOL/u/us/userid, or
+dnl# $SPOOL/u/us/use/userid
+dnl#
+dnl###########################################################################
+
+test_spooldir() {
+spooldir="$1"
+WHOAMI=`whoami`
+
+if test "$WHOAMI" = ""
+then
+	AC_MSG_ERROR(Unable to run whoami)
+	exit 1
+fi
+
+a=`echo $WHOAMI"..." | cut -c1`
+b=`echo $WHOAMI"..." | cut -c1-2`
+c=`echo $WHOAMI"..." | cut -c1-3`
+
+DIRA=$spooldir/$a
+DIRB=$spooldir/$a/$b
+DIRC=$spooldir/$a/$b/$c
+
+DIR=""
+TDIR=""
+
+if test -d $spooldir
+then
+	DIR=$spooldir
+	TDIR="$spooldir"
+fi
+if test -d $DIRA
+then
+	DIR=$spooldir'/='
+	TDIR="$DIRA"
+fi
+
+if test -d $DIRB
+then
+	DIR=$spooldir'/=/=='
+	TDIR="$DIRB"
+fi
+
+if test -d $DIRC
+then
+	DIR=$spooldir'/=/==/==='
+	TDIR="$DIRC"
+fi
+
+if test "`ls -ld $TDIR/. | cut -c10`" = "t"
+then
+	MBOX_RESET_GID=1
+else
+	MBOX_RESET_GID=0
+fi
+
+SPOOLDIR="$DIR"
+}
+
+dnl#########################################################################
+dnl#
+dnl# Check for possible $SPOOL locations
+dnl#
+dnl#########################################################################
+
+get_spooldir() {
+
+if test -d $srcdir/../../courier
+then
+	MBOX_RESET_GID=1
+	SPOOLDIR="./Maildir"
+	return 0
+fi
+
+for f in /var/mail /usr/spool/mail /var/spool/mail /usr/mail
+do
+	test_spooldir "$f"
+	if test "$SPOOLDIR" != ""
+	then
+		return 0
+	fi
+done
+
+# Not found, possibly qmail $HOME/Mailbox
+
+if test "$QMAIL" != ""
+then
+	SPOOLDIR="./Mailbox"
+else
+	AC_MSG_ERROR(Cannot determine default mailbox)
+fi
+}
+
+check_spooldir() {
+  if test "$CHECKED_SPOOLDIR" != 1
+  then
+     get_spooldir
+     MBOX_DIR="$SPOOLDIR"
+     CHECKED_SPOOLDIR=1
+  fi
+}
+
+AC_CACHE_CHECK(location of system mailboxes,maildrop_cv_SYS_INSTALL_MBOXDIR,
+check_spooldir
+maildrop_cv_SYS_INSTALL_MBOXDIR="$MBOX_DIR"
+)
+
+AC_CACHE_CHECK(whether maildrop should reset its group ID,maildrop_cv_SYS_INSTALL_RESET_GID,
+check_spooldir
+maildrop_cv_SYS_INSTALL_RESET_GID="$MBOX_RESET_GID"
+)
+AC_ARG_WITH(default-maildrop, [  --with-default-maildrop=file   specify DEFAULT mailbox location],
+	maildrop_cv_SYS_INSTALL_MBOXDIR="$withval",
+
+# Courier defaults to ./Maildir
+
+	if test -d $srcdir/../../courier
+	then
+		maildrop_cv_SYS_INSTALL_MBOXDIR=./Maildir
+	fi
+	)
+
+AC_DEFINE_UNQUOTED(DEFAULT_DEF,"${maildrop_cv_SYS_INSTALL_MBOXDIR}",
+	[ Default mail delivery instruction ])
+AC_DEFINE_UNQUOTED(RESET_GID,${maildrop_cv_SYS_INSTALL_RESET_GID},
+	[ Whether maildrop should reset its gid ])
+
+
+AC_ARG_ENABLE(trusted-users, [  --enable-trusted-users='...' specify users allowed to use the -d option],
+    [TRUSTED_USERS=$enableval], [TRUSTED_USERS=""])
+
+AC_CACHE_CHECK(privileged users,maildrop_cv_SYS_INSTALL_PRIVUSERS,
+
+if test "$TRUSTED_USERS" = ""
+then
+	maildrop_cv_SYS_INSTALL_PRIVUSERS="root"
+	for USERID in mail daemon postmaster qmaild mmdf
+	do
+		if test "`eval echo ~$USERID`" != ~$USERID
+		then
+			maildrop_cv_SYS_INSTALL_PRIVUSERS="$maildrop_cv_SYS_INSTALL_PRIVUSERS $USERID"
+		fi
+	done
+else
+	maildrop_cv_SYS_INSTALL_PRIVUSERS="$TRUSTED_USERS"
+fi
+
+)
+AC_DEFINE_UNQUOTED(TRUSTED_USERS,"${maildrop_cv_SYS_INSTALL_PRIVUSERS}",
+	[ List of usernames who are allowed to use the -d option ])
+
+AC_ARG_ENABLE(trusted-groups, [  --enable-trusted-groups='...' specify groups allowed to use the -d option],
+    [TRUSTED_GROUPS=$enableval], [TRUSTED_GROUPS=""])
+AC_DEFINE_UNQUOTED(TRUSTED_GROUPS,"$TRUSTED_GROUPS",
+	[ List of groupnames who are allowed to use the -d option ])
+	
+AC_MSG_CHECKING(for UID of maildrop)
+AC_ARG_ENABLE(maildrop-uid, [  --enable-maildrop-uid=root   UID of maildrop],
+    [MAILDROPUID=$enableval], [MAILDROPUID=root])
+AC_DEFINE_UNQUOTED(MAILDROPUID, "$MAILDROPUID",
+				[ The installation uid ])
+AC_MSG_RESULT($MAILDROPUID)
+AC_SUBST(MAILDROPUID)
+
+AC_MSG_CHECKING(for GID of maildrop)
+AC_ARG_ENABLE(maildrop-gid, [  --enable-maildrop-gid=mail   GID of maildrop],
+    [MAILDROPGID=$enableval], [MAILDROPGID=mail])
+AC_DEFINE_UNQUOTED(MAILDROPGID, "$MAILDROPGID",
+				[ The installation gid ])
+AC_MSG_RESULT($MAILDROPGID)
+AC_SUBST(MAILDROPGID)
+
+echo "uid=$MAILDROPUID" >uidgid
+echo "gid=$MAILDROPGID" >>uidgid
+
+dnl     *** options in config.h ***
+
+AC_MSG_CHECKING(for USE_FLOCK)
+AC_ARG_ENABLE(use-flock, [  --enable-use-flock=(1|0)     enable flock()/lockf() locking],
+    [USE_FLOCK=$enableval], [USE_FLOCK=1])
+AC_MSG_RESULT($USE_FLOCK)
+AC_SUBST(USE_FLOCK)
+
+AC_MSG_CHECKING(for USE_DOTLOCK)
+AC_ARG_ENABLE(use-dotlock, [  --enable-use-dotlock=(1|0)   enable dotlock locking],
+    [USE_DOTLOCK=$enableval], [
+
+#
+# If we are using FLOCK, and mailbox directory has no sticky bit, don't
+# use dotlocks.
+#
+
+USE_DOTLOCK=1
+
+if test $USE_FLOCK != 0
+then
+	if test $maildrop_cv_SYS_INSTALL_RESET_GID = 0
+	then
+		USE_DOTLOCK=0
+	fi
+fi
+
+])
+AC_MSG_RESULT($USE_DOTLOCK)
+AC_SUBST(USE_DOTLOCK)
+
+AC_MSG_CHECKING(for LOCKEXT_DEF)
+AC_ARG_ENABLE(lockext-def, [  --enable-lockext-def=.lock   set extension for dotlock files],
+    [LOCKEXT_DEF=$enableval], [LOCKEXT_DEF=".lock"])
+AC_MSG_RESULT($LOCKEXT_DEF)
+AC_SUBST(LOCKEXT_DEF)
+
+AC_MSG_CHECKING(for LOCKSLEEP_DEF)
+AC_ARG_ENABLE(locksleep-def, [  --enable-locksleep-def=5     set sleep interval dotlock files (seconds)],
+    [LOCKSLEEP_DEF=$enableval], [LOCKSLEEP_DEF="5"])
+AC_MSG_RESULT($LOCKSLEEP_DEF)
+AC_SUBST(LOCKSLEEP_DEF)
+
+AC_MSG_CHECKING(for LOCKTIMEOUT_DEF)
+AC_ARG_ENABLE(locktimeout-def, [  --enable-locktimeout-def=60  set timeout for dotlock files (seconds)],
+    [LOCKTIMEOUT_DEF=$enableval], [LOCKTIMEOUT_DEF="60"])
+AC_MSG_RESULT($LOCKTIMEOUT_DEF)
+AC_SUBST(LOCKTIMEOUT_DEF)
+
+AC_MSG_CHECKING(for LOCKREFRESH_DEF)
+AC_ARG_ENABLE(lockrefresh-def, [  --enable-lockrefresh-def=15  set timeout for dotlock files (seconds)],
+    [LOCKREFRESH_DEF=$enableval], [LOCKREFRESH_DEF="15"])
+AC_MSG_RESULT($LOCKREFRESH_DEF)
+AC_SUBST(LOCKREFRESH_DEF)
+
+AC_MSG_CHECKING(for TEMPDIR)
+AC_ARG_ENABLE(tempdir,
+[  --enable-tempdir=.tmp        directory for temp files (in user's home dir)
+  --disable-tempdir            disable temp files in home directory (use
+                               the tmpfile function)],
+    [TEMPDIR=$enableval], [TEMPDIR="no"])
+
+if test "$TEMPDIR" = "no"
+then
+	TEMPDIR='use tmpfile()'
+	AC_DEFINE_UNQUOTED(SHARED_TEMPDIR,1,
+	[ Use tmpfile() ])
+fi
+AC_MSG_RESULT($TEMPDIR)
+AC_SUBST(TEMPDIR)
+
+AC_MSG_CHECKING(for SMALLMSG)
+AC_ARG_ENABLE(smallmsg, [  --enable-smallmsg=8192       size of buffer for small messages],
+    [SMALLMSG=$enableval], [SMALLMSG=8192])
+AC_MSG_RESULT($SMALLMSG)
+AC_SUBST(SMALLMSG)
+
+AC_MSG_CHECKING(for GLOBAL_TIMEOUT)
+AC_ARG_ENABLE(global-timeout, [  --enable-global-timeout=300  global watchdog timer (seconds)],
+    [GLOBAL_TIMEOUT=$enableval], [GLOBAL_TIMEOUT=300])
+AC_MSG_RESULT($GLOBAL_TIMEOUT)
+AC_SUBST(GLOBAL_TIMEOUT)
+
+AC_MSG_CHECKING(for CRLF_TERM)
+AC_ARG_ENABLE(crlf-term, [  --enable-crlf-term=0         enable <CR><LF> line termination],
+    [CRLF_TERM=$enableval], [CRLF_TERM=0])
+case "$CRLF_TERM" in
+1*|y*|Y*)
+	CRLF_TERM=1
+	;;
+*)
+	CRLF_TERM=0
+	;;
+esac
+AC_MSG_RESULT($CRLF_TERM)
+AC_SUBST(CRLF_TERM)
+
+AC_MSG_CHECKING(for RESTRICT_TRUSTED)
+AC_ARG_ENABLE(restrict-trusted, [  --enable-restrict-trusted=1  restrict -d for trusted users only],
+    [RESTRICT_TRUSTED=$enableval], [RESTRICT_TRUSTED=1])
+case "$RESTRICT_TRUSTED" in
+1*|y*|Y*)
+	RESTRICT_TRUSTED=1
+	;;
+*)
+	RESTRICT_TRUSTED=0
+	;;
+esac
+AC_MSG_RESULT($RESTRICT_TRUSTED)
+AC_SUBST(RESTRICT_TRUSTED)
+
+AC_MSG_CHECKING(for KEEP_FROMLINE)
+AC_ARG_ENABLE(keep-fromline, [  --enable-keep-fromline=(1|0) preserve the original From_ line in messages],
+    [KEEP_FROMLINE=$enableval], [ KEEP_FROMLINE=$RESTRICT_TRUSTED ])
+case "$KEEP_FROMLINE" in
+1*|y*|Y*)
+	KEEP_FROMLINE=1
+	;;
+*)
+	KEEP_FROMLINE=0
+	;;
+esac
+AC_MSG_RESULT($KEEP_FROMLINE)
+AC_SUBST(KEEP_FROMLINE)
+
+AC_MSG_CHECKING(for syslog support)
+AC_ARG_ENABLE(syslog,    [  --enable-syslog=1            log fatal errors to syslog],
+	[ SYSLOG_LOGGING="$enableval"], [ SYSLOG_LOGGING=0 ])
+AC_MSG_RESULT($SYSLOG_LOGGING)
+AC_DEFINE_UNQUOTED(SYSLOG_LOGGING,$SYSLOG_LOGGING,
+	[ Whether to log fatal errors to syslog ])
+
+AC_ARG_WITH(dirsync, [ --with-dirsync           Manually sync queue file directory],
+	dirsync="$withval", dirsync="N")
+
+case "$dirsync" in
+y*|Y*|1*)
+	AC_DEFINE_UNQUOTED(EXPLICITDIRSYNC,1,
+	[ Whether to sync the parent directory after delivering to a maildir ])
+	;;
+esac
+
+
+
+AC_SUBST(VERSION)
+
+CFLAGS="$CFLAGS -I$srcdir/../rfc822 -I$srcdir/../rfc2045 -I.. -I$srcdir/.. -I ../.. -I$srcdir/../.."
+CXXFLAGS="$CXXFLAGS -I$srcdir/../rfc822 -I$srcdir/../rfc2045 -I.. -I$srcdir/.. -I../.. -I$srcdir/../.."
+
+AC_ARG_WITH(etcdir,    [  --with-etcdir=dir            Instead of /etc, use this. ],
+	[ withetcdir=$withval],
+	[ withetcdir="/etc"
+
+	if test -d $srcdir/../../courier
+	then
+		eval "sysconfdir=$sysconfdir"
+		withetcdir=$sysconfdir
+	fi
+
+	])
+
+AC_SUBST(withetcdir)
+WITHETCDIR="$withetcdir"
+AC_SUBST(WITHETCDIR)
+
+AC_DEFINE_UNQUOTED(ETCDIR,"$withetcdir",
+	[ Configuration directory location ])
+
+if test "$GXX" = yes ; then
+	CXXFLAGS="$CXXFLAGS -Wall"
+	CFLAGS="$CFLAGS -Wall"
+fi
+
+AC_MSG_CHECKING(whether to treat authlib errors as tempreject)
+AC_ARG_ENABLE(authlib-tempreject,
+	[  --enable-authlib-tempreject=(1|0) authlib errors are temprejects ],
+	[ AUTHLIB_TEMPREJECT="$enableval"], [ AUTHLIB_TEMPREJECT=1 ])
+AC_MSG_RESULT($AUTHLIB_TEMPREJECT)
+AC_DEFINE_UNQUOTED(AUTHLIB_TEMPREJECT,$AUTHLIB_TEMPREJECT,
+	[ Whether authlib errors cause temporary rejects ])
+
+AC_ARG_WITH(db, [], db="$withval", db="")
+
+USE_GDBM=0
+USE_DB=0;
+
+case "$db" in
+     db)
+     USE_DB=1
+     ;;
+     gdbm)
+     USE_GDBM=1
+     ;;
+esac
+
+AC_SUBST(USE_GDBM)
+AC_SUBST(USE_DB)
+
+AM_CONDITIONAL(HAVE_SGML, test -d ${srcdir}/../docbook)
+
+. ../rfc822/rfc822.config
+
+AM_CONDITIONAL(HAVE_LIBIDN, test "$libidn" = "yes")
+
+AC_OUTPUT(xconfig.h Makefile README.html testsuite)