dnl Process this file with autoconf to procude a configure script.
AC_INIT(mailbox/mailbox.c)
AM_INIT_AUTOMAKE(mailutils, 0.0.9c)
AM_CONFIG_HEADER(config.h)

dnl Check for programs
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_LN_S
AM_PROG_LIBTOOL
AC_PROG_YACC
AM_PROG_LEX

MU_DEBUG_MODE

dnl Check for arguments
AC_ARG_ENABLE(pam,
 [  --disable-pam           disable pam],
 [case "${enableval}" in
  yes) testpam=yes ;;
  no)  testpam=no ;;
  *)   AC_MSG_ERROR(bad value ${enableval} for --disable-pam) ;;
 esac],[testpam=yes])

AC_ARG_ENABLE(pthread,
 [  --disable-pthread       disable pthread],
 [case "${enableval}" in
  yes) usepthread=yes ;;
  no)  usepthread=no ;;
  *)   AC_MSG_ERROR(bad value ${enableval} for --disable-pthread) ;;
  esac],[usepthread=yes])

AC_ARG_WITH(readline,
 [  --without-readline      do not use readline],
 [case "${withval}" in
  yes) usereadline=yes ;;
  no)  usereadline=no ;;
  *)   AC_MSG_ERROR(bad value ${withval} for --without-readline) ;;
  esac],[usereadline=yes])

AC_ARG_WITH(guile,
 [  --without-guile         do not build guile interface],
 [case "${withval}" in
  yes) useguile=yes ;;
  no)  useguile=no ;;
  *)   AC_MSG_ERROR(bad value ${withval} for --without-guile) ;;
  esac],[useguile=yes])

AC_SUBST(SITE_MAIL_RC)
AC_ARG_WITH(mail-rc,
 [  --with-mail-rc=FILE     use FILE instead of \$sysconfdir/mail.rc],
 [case "${withval}" in
  /*) SITE_MAIL_RC="${withval}";;
  *)  SITE_MAIL_RC="\$(sysconfdir)/${withval}";;
  esac],
 [SITE_MAIL_RC="\$(sysconfdir)/mail.rc"])

use_dbm=no
AC_ARG_WITH(gdbm,
 [  --with-gdbm             use GDBM],
 [case "${withval}" in
  yes) use_dbm=GDBM ;;
  no)  use_dbm=no ;;
  *)   AC_MSG_ERROR(bad value ${withval} for --with-gdbm) ;;
  esac])

AC_ARG_WITH(db2,
 [  --with-db2              use Berkeley DB],
 [case "${withval}" in
  yes) use_dbm=BDB2 ;;
  no)  use_dbm=no ;;
  *)   AC_MSG_ERROR(bad value ${withval} for --with-db) ;;
  esac])

AC_ARG_WITH(ndbm,
 [  --with-ndbm             use NDBM],
 [case "${withval}" in
  yes) use_dbm=NDBM ;;
  no)  use_dbm=no ;;
  *)   AC_MSG_ERROR(bad value ${withval} for --with-ndbm) ;;
  esac])

AC_ARG_WITH(dbm,
 [  --with-dbm              use old DBM],
 [case "${withval}" in
  yes) use_dbm=ODBM ;;
  no)  use_dbm=no ;;
  *)   AC_MSG_ERROR(bad value ${withval} for --with-old-dbm) ;;
  esac])

AC_MSG_CHECKING(for log facility)
log_facility="LOG_MAIL"
AC_ARG_WITH(log-facility,
 [  --with-log-facility=facility   enable logging to the given facility],
 AC_TRY_COMPILE([#include <syslog.h>], int lf = $withval,
	log_facility=$withval))
AC_DEFINE_UNQUOTED(LOG_FACILITY, $log_facility)
AC_MSG_RESULT($log_facility)

dnl Check for headers
AC_HEADER_STDC
AC_HEADER_DIRENT
AM_C_PROTOTYPES
AC_CHECK_HEADERS(argp.h errno.h fcntl.h inttypes.h libgen.h limits.h malloc.h \
 paths.h shadow.h stdarg.h stdio.h stdlib.h string.h strings.h sys/file.h \
 syslog.h termios.h termio.h sgtty.h utmp.h utmpx.h unistd.h obstack.h \
 termcap.h)

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_UID_T
AC_TYPE_MODE_T
AC_TYPE_OFF_T
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_CHECK_TYPE(ssize_t, int)
AC_TYPE_SIGNAL
AC_DECL_SYS_SIGLIST
AC_STRUCT_TIMEZONE
sr_STRUCT_TM_ZONE
sr_STRUCT_TM_GMTOFF
sr_STRUCT_TM_ISDST

dnl Check for working functions

jm_FUNC_MALLOC
jm_FUNC_REALLOC
AC_FUNC_ALLOCA

jm_INCLUDED_REGEX(lib/regex.c)
# This no-op line works around a bug in automake 1.4:
# it doesn't recognize the assignment to LIBOBJS
# in m4/regex.m4.
: LIBOBJS="$LIBOBJS regex.o"

# Not use.
#AC_FUNC_MEMCMP
AC_FUNC_MMAP
AC_FUNC_FNMATCH
if test "$ac_cv_func_fnmatch_works" = "no"; then
: LIBOBJS="$LIBOBJS fnmatch.o"
fi
AC_REPLACE_FUNCS(fgetpwent setenv snprintf strtok_r strncasecmp strcasecmp \
 strsignal vasprintf)
AC_CHECK_FUNCS(mkstemp sigaction sysconf getdelim vsyslog)

dnl Check for libraries
AC_CHECK_FUNCS(argp_parse)
if test x"$ac_cv_func_argp_parse" != xyes; then
	AC_REPLACE_FUNCS(strndup strnlen strchrnul)
	ARGPLIBS="../argp/libargp.a"
	ARGPLIB="libargp.a"
	ARGPINCS='-I$(top_srcdir)/argp'
	AC_SUBST(ARGPLIBS)
	AC_SUBST(ARGPLIB)
	AC_SUBST(ARGPINCS)
fi

AC_CHECK_FUNCS(_obstack_begin,
               [AC_DEFINE(HAVE_OBSTACK)],
               [LIBOBJS="$LIBOBJS obstack.o"])

dnl check if mysql support was added
AC_SUBST(BUILD_LIBMYSQL)
AC_SUBST(MYSQLLIBS)
AC_ARG_ENABLE(mysql, [  --enable-mysql  enable mysql support (default no)], [use_mysql="yes"],,)
if test x"$use_mysql" = x"yes"; then
	echo Enabling mysql support, be sure to edit \'MySql/MySql.h\' to change default values
	AC_CHECK_HEADER(mysql/mysql.h,
	[AUTHLIBS="$AUTHLIBS -lmailMysql -lmysqlclient -lm -L/usr/lib/mysql -L/usr/local/lib/mysql -L../MySql/"
        BUILD_LIBMYSQL=libmailMysql.a
	AC_DEFINE(HAVE_MYSQL)])
fi

dnl Virtual domain support, at least for pop3d
AC_ARG_ENABLE(virtual-domains, [  --enable-virtual-domains  enable virtual domain support (default no)], [use_virtual_domains="yes"],,)
if test x"$use_virtual_domains" = x"yes"; then
   AC_DEFINE(USE_VIRTUAL_DOMAINS)
   AC_SUBST(SITE_VIRTUAL_PWDDIR)
   AC_ARG_WITH(virtual-pwddir,
    [  --with-virtual-pwddir=DIR   use DIR instead of \$sysconfdir/domain],
    [case "${withval}" in
     /*) SITE_VIRTUAL_PWDDIR="${withval}";;
     *)  SITE_VIRTUAL_PWDDIR="\$(sysconfdir)/${withval}";;
    esac],
    [SITE_VIRTUAL_PWDDIR="\$(sysconfdir)/domain"])
fi

dnl Use either PAM or CRYPT, not both.
if test x"$testpam" = x"yes"; then
	AC_CHECK_HEADERS(security/pam_appl.h)
	if test x"$ac_cv_header_security_pam_appl_h" = x"yes"; then
		AC_CHECK_LIB(dl, dlopen, [LDL=-ldl], [LDL=])
		AC_CHECK_LIB(pam, pam_start,
			AUTHLIBS="$AUTHLIBS -lpam $LDL" ac_cv_have_libpam="yes",, $LDL)
		AC_DEFINE(USE_LIBPAM)
		AM_CONDITIONAL(USE_LIBPAM, test x"$ac_cv_have_libpam" != xno)
	fi
fi

if test x"$ac_cv_have_libpam" != x"yes"; then
	AC_CHECK_FUNCS(crypt)
	if test x"$ac_cv_func_crypt" = x"no"; then
		AC_CHECK_LIB(crypt, crypt, AUTHLIBS="-lcrypt",, -lcrypt)
	fi
fi
AC_SUBST(AUTHLIBS)

#When using thread support some platforms need -D_REENTRANT to get the
#right prototypes including errno.
dnl Check threading support
# We have to rearrange things a little, it appears that the new autoconf
# does not like long cascading AC_CHECK_LIB.
if test x"$usepthread" = x"yes"; then
	AC_CHECK_LIB(pthread, pthread_cancel, have_libpthread=yes,
		 have_libpthread=no)
        if test x"$have_libpthread" = x"yes"; then
		AC_CHECK_HEADERS(pthread.h, AC_DEFINE(WITH_PTHREAD))
			LIBS="$LIBS -lpthread"
			AC_DEFINE(_REENTRANT)
			AC_CHECK_FUNCS(pthread_rwlock_init)
	else
		AC_SEARCH_LIBS(pthread_cancel, pthread,
			[AC_CHECK_FUNCS(pthread_rwlock_init)
				AC_CHECK_HEADERS(pthread.h,
					AC_DEFINE(WITH_PTHREAD))
					AC_DEFINE(_REENTRANT)])
	fi
fi

dnl Do we need extra libs for networking?
AC_CHECK_FUNC(gethostbyname, [true],
	AC_CHECK_LIB(nsl, gethostbyaddr, LIBS="-lnsl $LIBS"))

AC_CHECK_FUNC(socket, [true],
	AC_CHECK_LIB(socket, socket, LIBS="-lsocket $LIBS"))

dnl Check for GNU Readline
AC_SUBST(READLINE_LIBS)
if test x"$usereadline" = x"yes"; then
	AC_CHECK_LIB(readline, readline,
		      [AC_CHECK_HEADERS(readline/readline.h,
		       AC_DEFINE(WITH_READLINE))
		       READLINE_LIBS="-lcurses -lreadline"],
			:,
		       -lcurses)
fi

dnl Check for DBM

AC_SUBST(POPAUTH)
case "$use_dbm" in
GDBM)
	AC_CHECK_LIB(gdbm, gdbm_open,
                     [AC_CHECK_HEADERS(gdbm.h, AC_DEFINE(WITH_GDBM))
                     LIBS="$LIBS -lgdbm"
                     POPAUTH=popauth]);;
BDB2)
	AC_CHECK_LIB(db, db_open,
                     [AC_CHECK_HEADERS(db.h, AC_DEFINE(WITH_BDB2))
                     LIBS="$LIBS -ldb"
		     POPAUTH=popauth]);;
NDBM)
	AC_CHECK_LIB(ndbm, dbm_open,
                     [AC_CHECK_HEADERS(ndbm.h, AC_DEFINE(WITH_NDBM))
                     LIBS="$LIBS -lndbm"
		     POPAUTH=popauth]);;
ODBM)
	AC_CHECK_LIB(dbm, dbminit,
                     [AC_CHECK_HEADERS(dbm.h, AC_DEFINE(WITH_OLD_DBM))
                     LIBS="$LIBS -ldbm"
		     POPAUTH=popauth]);;
esac

dnl Check for Guile
AC_SUBST(GUILE_INCLUDES)
AC_SUBST(GUILE_LIBS)
AC_SUBST(GUIMB)
AC_SUBST(MU_SCM)
AC_SUBST(GUILE_PROCEDURES_TXT)
AC_SUBST(GUILE_BUILT_SOURCES)
if test x"$useguile" = x"yes"; then
	AC_PATH_PROG(GUILE_CONFIG, guile-config, no, $PATH)
	AC_CHECK_HEADER(libguile.h, :, [GUILE_CONFIG=no])
	if test x$GUILE_CONFIG != xno; then
  		GUILE_INCLUDES=`guile-config compile`
  		GUILE_LIBS=`guile-config link`
		GUIMB=guimb
		MU_SCM=libmu_scm.a
		GUILE_PROCEDURES_TXT=guile-procedures.txt
		GUILE_BUILT_SOURCES='$(DOT_X_FILES) $(DOT_DOC_FILES)'
	fi
fi

dnl Make sysconfdir available to the application
dnl This must be done LAST, since CPPFLAGS is passed by configure
dnl to build tests, but this relies on being run in make to
dnl get sysconfdir expanded.

CPPFLAGS="$CPPFLAGS -DSYSCONFDIR=\\\"\$(sysconfdir)\\\""

dnl Output Makefiles
AC_OUTPUT(Makefile mailutils.spec include/Makefile include/mailutils/Makefile
 m4/Makefile doc/Makefile doc/man/Makefile doc/rfc/Makefile
 doc/texinfo/Makefile argp/Makefile
 lib/Makefile lib/posix/Makefile mailbox/Makefile imap4d/Makefile
 mailbox/include/Makefile from/Makefile mail/Makefile pop3d/Makefile
 frm/Makefile sieve/Makefile messages/Makefile scripts/Makefile
 libmu_scm/Makefile guimb/Makefile guimb/scm/Makefile
 MySql/Makefile mh/Makefile comsat/Makefile)