freewnn/FreeWnn/configure.in

dnl
dnl   $Id: configure.in,v 1.56 2013/08/01 18:43:07 aonoto Exp $
dnl

dnl
dnl FreeWnn is a network-extensible Kana-to-Kanji conversion system.
dnl This file is part of FreeWnn.
dnl 
dnl Copyright Kyoto University Research Institute for Mathematical Sciences
dnl                 1987, 1988, 1989, 1990, 1991, 1992
dnl Copyright OMRON Corporation. 1987, 1988, 1989, 1990, 1991, 1992, 1999
dnl Copyright ASTEC, Inc. 1987, 1988, 1989, 1990, 1991, 1992
dnl Copyright FreeWnn Project
dnl                 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
dnl                 2010, 2011, 2013
dnl 
dnl Maintainer:  FreeWnn Project
dnl 
dnl This program is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2 of the License, or
dnl (at your option) any later version.
dnl 
dnl This program is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
dnl GNU General Public License for more details.
dnl 
dnl You should have received a copy of the GNU General Public License
dnl along with this program; if not, write to the Free Software
dnl Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
dnl

dnl
dnl Process this file with autoconf to produce a configure script.
dnl
AC_INIT(FreeWnn, [1.1.1-cvs-a022], [freewnn-users-owner@lists.sourceforge.jp], FreeWnn)
AC_CONFIG_SRCDIR(Wnn/conv/cvt_head.h)
dnl old-style AC_INIT ...
dnl AC_INIT(Wnn/conv/cvt_head.h)
AC_CONFIG_HEADER(config.h)

dnl ====================================================================
dnl Check optional features
dnl ====================================================================

# Quick and Dirty workaround for Autoconf-2.53 and Libtools-1.5.* pair ...
# not to use additional tagged configuration. (default: CXX F77)
# NOTICE: Please remove next line if situation changes. (aono)
tagnames=

AC_CANONICAL_HOST

dnl
AC_ARG_PROGRAM

dnl build and install libraries, server or client

AC_ARG_ENABLE(debug,
[  --enable-debug          enable debug options [[default=no]]],
[case "${enableval}" in
   yes) debug=true ;;
   no)  debug=false ;;
   *)   AC_MSG_ERROR(bad value for --enable-debug)
esac], debug=false)

AC_ARG_ENABLE(libraries,
[  --enable-libraries      build and install libraries [[default=yes]]],
[case "${enableval}" in
   yes) libraries=true ;;
   no)  libraries=false ;;
   *)   AC_MSG_ERROR(bad value for --enable-libraries) ;;
esac], libraries=true)

AC_ARG_ENABLE(server,
[  --enable-server         build and install server [[default=yes]]],
[case "${enableval}" in
   yes) server=true ;;
   no)  server=false ;;
   *)   AC_MSG_ERROR(bad value for --enable-server) ;;
esac], server=true)

AC_ARG_ENABLE(client,
[  --enable-client         build and install clients [[default=no]]],
[case "${enableval}" in
   yes) client=true ;;
   no)  client=false ;;
   *)   AC_MSG_ERROR(bad value for --enable-client) ;;
esac], client=false)

AC_ARG_ENABLE(client-utmp,
[  --enable-client-utmp    write utmp with client [[default=yes if not modern BSD]]],
[case "${enableval}" in
   yes) client_utmp=true ;;
   no)  client_utmp=false ;;
   *)   AC_MSG_ERROR(bad value for --enable-client-utmp) ;;
esac],
client_utmp=auto
)

dnl If you set set-[ug]id user/group to (ex.) 'yes', 
dnl you can configure this with setting UUMOWNER / UUMGROUP .
AC_ARG_ENABLE(client-setuid,
[  --enable-client-setuid[[=user]] Install client with setuid and specified user [[default=guess if your system need this]]],
[case "${enableval}" in
    yes) client_setuid=true; UUMOWNER=${UUMOWNER:-root} ;;
    no)  client_setuid=false ;;
    *)   client_setuid=true; UUMOWNER=${enableval} ;;
esac],
[client_setuid=auto     # guess later ...
 UUMOWNER=root]
)

AC_ARG_ENABLE(client-setgid,
[  --enable-client-setgid=group Install client with setgid and specified group [[default=guess if your system need this]]],
[case "${enableval}" in
    yes)
        if test "x$UUMGROUP" = "x"; then 
            AC_ERROR([You must set group name with --enable-client-setgid.])
        else
            client_setgid=true; # we already defined UUMGROUP ...
        fi
        ;;
    no)  client_setgid=false ;;
    *)   client_setgid=true; UUMGROUP=${enableval} ;;
esac],
[client_setgid=auto     # guess later ...
UUMGROUP=]
)

if test $libraries = true; then
        SUBDIRS="\$(LIB_SUBDIRS)"
        WNNMANDIR="\$(LIB_WNNMANDIR)"
fi
if test $server = true; then
        SUBDIRS="$SUBDIRS \$(SERVER_SUBDIRS)"
        WNNMANDIR="$WNNMANDIR \$(SERVER_WNNMANDIR)"
fi
if test $client = true; then
        SUBDIRS="$SUBDIRS \$(CLIENT_SUBDIRS)"
dnl currently client is only uum and its man is in SERVER_WNNMANDIR
dnl     WNNMANDIR="$WNNMANDIR \$(CLIENT_WNNMANDIR)"
fi

AC_SUBST(SUBDIRS)
AC_SUBST(WNNMANDIR)

dnl For Servers

AC_ARG_ENABLE(Wnn,
[  --enable-Wnn            build and install Wnn [[default=yes]]],
[case "${enableval}" in
   yes) Wnn="Wnn";;
   no)  Wnn="" ;;
   *)   AC_MSG_ERROR(bad value for --enable-Wnn) ;;
esac], Wnn="Wnn")
AC_SUBST(Wnn)

if test "$server" = true -a "$Wnn" = Wnn; then
#       JSERVER_SUBDIRS1="\$(JSERVER_SUBDIRS1)"
        JSERVER_SUBDIRS2="\$(JSERVER_SUBDIRS2)"
else
#       JSERVER_SUBDIRS1=""
        JSERVER_SUBDIRS2=""
fi
dnl AC_SUBST(JSERVER_SUBDIRS1)
AC_SUBST(JSERVER_SUBDIRS2)

AC_ARG_ENABLE(cWnn,
[  --enable-cWnn           build and install cWnn [[default=yes]]],
[case "${enableval}" in
   yes) cWnn="cWnn" ;;
   no)  cWnn="" ;;
   *)   AC_MSG_ERROR(bad value for --enable-cWnn) ;;
esac], cWnn="cWnn")
AC_SUBST(cWnn)

AC_ARG_ENABLE(kWnn,
[  --enable-kWnn           build and install kWnn [[default=yes]]],
[case "${enableval}" in
   yes) kWnn="kWnn" ;;
   no)  kWnn="" ;;
   *)   AC_MSG_ERROR(bad value for --enable-kWnn) ;;
esac], kWnn="kWnn")
AC_SUBST(kWnn)

dnl For a library libwnn

AC_ARG_WITH(libwnn,
[  --with-libwnn             use installed Wnn library [[default=no]]],
[  with_libwnn="${withval}"], [with_libwnn=no])
AC_ARG_WITH(wnn-includes,
[  --with-wnn-includes=DIR   Installed Wnn include files are in DIR],
[wnnincludedir="-I${withval}"], [wnnincludedir=''])
AC_ARG_WITH(wnn-libraries,
[  --with-wnn-libraries=DIR  Search for Wnn libraries in DIR [[default=/usr/local/lib]]],
[wnnlibdir="${withval}"], [wnnlibdir='/usr/local/lib'])

if test X${with_libwnn} != Xno; then
        case X${with_libwnn} in
        Xyes | X-lwnn)
                WNNJLIB="-L${wnnlibdir} -lwnn" ;;
        X/*)
                WNNJLIB="${wnnlibdir}/libwnn.a" ;;
        *)
                # Honor specified value --with-libwnn
                # (maybe wrong in most cases)
                WNNJLIB="${with_libwnn}" ;;
        esac
        DEPWNNJLIB=""
        dnl NOTICE: HINSI_DATA depends on --prefix (and makerule.mk).
        HINSI_DATA="\$(JWNNWNNDIR)/hinsi.data"
        EXTWNNJINC=${wnnincludedir}
else
        WNNJLIB="\$(top_builddir)/Wnn/jlib/libwnn.la"
        DEPWNNJLIB="\$(WNNJLIB)"
        HINSI_DATA="\$(top_builddir)/Wnn/jd/hinsi.data"
        EXTWNNJINC=""
fi
AC_SUBST(WNNJLIB)
AC_SUBST(DEPWNNJLIB)
AC_SUBST(EXTWNNJINC)
AC_SUBST(HINSI_DATA)

AC_ARG_WITH(libcwnn,
[  --with-libcwnn            use installed cWnn library [[default=no]]],
[  with_libcwnn="${withval}"], [with_libcwnn=no])
AC_ARG_WITH(cwnn-includes,
[  --with-cwnn-includes=DIR  Installed cWnn include files are in DIR],
[cwnnincludedir="-I${withval}"], [cwnnincludedir=''])
AC_ARG_WITH(cwnn-libraries,
[  --with-cwnn-libraries=DIR Search for cWnn libraries in DIR [[default=/usr/local/lib]]],
[cwnnlibdir="${withval}"], [cwnnlibdir='/usr/local/lib'])

if test X${with_libcwnn} != Xno; then
        case X${with_libcwnn} in
        Xyes | X-lcwnn)
                CWNNJLIB="-L${cwnnlibdir} -lcwnn" ;;
        X/*)
                CWNNJLIB="${cwnnlibdir}/libcwnn.a" ;;
        *)
                # Honor specified value --with-libcwnn
                # (maybe wrong in most cases)
                CWNNJLIB="${with_libcwnn}" ;;
        esac
        DEPCWNNJLIB=""
        dnl NOTICE: [CT]HINSI_DATA also depends on --prefix (and makerule.mk).
        CHINSI_DATA="\$(CWNNWNNDIR)/cixing.data"
        THINSI_DATA="\$(TWNNWNNDIR)/cixing.data"
        EXTCWNNJINC=${cwnnincludedir}
else
        CWNNJLIB="\$(top_builddir)/cWnn/jlib/libcwnn.la"
        DEPCWNNJLIB="\$(CWNNJLIB)"
        CHINSI_DATA="\$(CWNNCDSRC)/cixing.data"
        THINSI_DATA="\$(TWNNTDSRC)/cixing.data"
        EXTCWNNJINC=""
fi
AC_SUBST(CWNNJLIB)
AC_SUBST(DEPCWNNJLIB)
AC_SUBST(EXTCWNNJINC)
AC_SUBST(CHINSI_DATA)
AC_SUBST(THINSI_DATA)

AC_ARG_WITH(libkwnn,
[  --with-libkwnn            use installed kWnn library [[default=no]]],
[  with_libkwnn="${withval}"], [with_libkwnn=no])
AC_ARG_WITH(kwnn-includes,
[  --with-kwnn-includes=DIR  Installed kWnn include files are in DIR],
[kwnnincludedir="-I${withval}"], [kwnnincludedir=''])
AC_ARG_WITH(kwnn-libraries,
[  --with-kwnn-libraries=DIR Search for kWnn libraries in DIR [[default=/usr/local/lib]]],
[kwnnlibdir="${withval}"], [kwnnlibdir='/usr/local/lib'])

if test X${with_libkwnn} != Xno; then
        case X${with_libkwnn} in
        Xyes | X-lkwnn)
                KWNNJLIB="-L${kwnnlibdir} -lkwnn" ;;
        X/*)
                KWNNJLIB="${kwnnlibdir}/libkwnn.a" ;;
        *)
                # Honor specified value --with-libkwnn
                # (maybe wrong in most cases)
                KWNNJLIB="${with_libkwnn}" ;;
        esac
        DEPKWNNJLIB=""
        dnl NOTICE: KHINSI_DATA also depends on --prefix (and makerule.mk).
        KHINSI_DATA="\$(KWNNWNNDIR)/hinsi.data"
        EXTKWNNJINC=${kwnnincludedir}
else
        KWNNJLIB="\$(top_builddir)/kWnn/jlib/libkwnn.la"
        DEPKWNNJLIB="\$(KWNNJLIB)"
        KHINSI_DATA="\$(KWNNKDSRC)/hinsi.data"
        EXTKWNNJINC=""
fi
AC_SUBST(KWNNJLIB)
AC_SUBST(DEPKWNNJLIB)
AC_SUBST(EXTKWNNJINC)
AC_SUBST(KHINSI_DATA)

dnl
dnl Build Options
dnl

AC_ARG_ENABLE(ipv6,
[  --enable-ipv6           build and install IPv6 [[default=no]]],
[case "${enableval}" in
   yes) ipv6="-DINET6";;
   no)  ipv6="" ;;
   *)   AC_MSG_ERROR(bad value for --enable-ipv6) ;;
esac], ipv6="")
AC_SUBST(ipv6)

AC_ARG_ENABLE(unsafe-path,
[  --enable-unsafe-path    allow creating files in an arbitrary path [[default=no]]],
[case "${enableval}" in
   yes) unsafe_path=true;;
   no)  unsafe_path=false;;
   *)   AC_MSG_ERROR(bad value for --enable-unsafe-path) ;;
esac], unsafe_path=false)
AC_SUBST(unsafe_path)

if test ${unsafe_path} = true; then
        AC_DEFINE(WNN_ALLOW_UNSAFE_PATH, 1,
                [Define to allow writing to other than JSERVERDIR.])
fi

dnl
dnl Install layout controlling
dnl
AC_ARG_ENABLE(traditional-layout,
[  --enable-traditional-layout Install files in traditional directories [[default=yes]]],
[case "${enableval}" in
   yes) trad_layout=true ;;
   no)  trad_layout=false ;;
   *)   AC_MSG_ERROR([bad value for --enable-traditional-layout]) ;;
esac], trad_layout=true)

if test $trad_layout = "true"; then
  WNNSBINDIR="\$(bindir)"
  # More path settings will come later ...
else
  WNNSBINDIR="\$(sbindir)"
  # Same as above.
fi
AC_SUBST(WNNSBINDIR)
dnl Same as above.

AC_ARG_ENABLE(sub-bindir,
[  --enable-sub-bindir         Install executables to (ex.) $(bindir)/Wnn4 [[default=yes if --enable-traditional-layout, no otherwise]]],
[case "${enableval}" in
   yes) sub_bindir=true ;;
   no)  sub_bindir=false ;;
   *)   AC_MSG_ERROR([bad value for --enable-sub-bindir]) ;;
esac], sub_bindir=guess)

if test $sub_bindir = "guess"; then
  if test $trad_layout = "true"; then
    sub_bindir=true
  else
    sub_bindir=false
  fi
fi
if test $sub_bindir = "true"; then
  if_enable_sub_bindir=' '
  if_disable_sub_bindir='#'
else
  if_enable_sub_bindir='#'
  if_disable_sub_bindir=' '
fi
AC_SUBST(if_enable_sub_bindir)
AC_SUBST(if_disable_sub_bindir)

# for debug
AC_MSG_CHECKING([if we use traditional layout])
if test $trad_layout = "true"; then
  AC_MSG_RESULT(yes)
else
  AC_MSG_RESULT(no)
fi

AC_MSG_CHECKING([if we install binaries on \$(bindir)/Wnn4 (etc.)])
if test $sub_bindir = "true"; then
  AC_MSG_RESULT(yes)
else
  AC_MSG_RESULT(no)
fi

dnl
dnl Checks for cc and cpp.
dnl
AC_PROG_CC

dnl System specific options
dnl Now that we are using autoconf, CCOPTIONS should be nuked...
dnl But please report if your system needs specific settings (CCOPTIONS etc.)
case $host in
*-*-linux*)
    CCOPTIONS="-Dlinux -D_GNU_SOURCE -D_POSIX_SOURCE -D_BSD_SOURCE"
    ;;
*-*-*-gnu)
    # Non-Linux kernel with GNU libc.
    CCOPTIONS="-D_GNU_SOURCE"
    ;;
*-*-sunos*)
      if test $GCC = yes; then
        CCOPTIONS="-Dsun -Dsparc"
      else
        CCOPTIONS=""
      fi
      ;;
*-*-solaris2.*)
    # Will 'solaris*' be OK?
      if test $GCC = yes; then
        CCOPTIONS="-Dsun -D`uname -p` -DSVR4 -DSYSV"
      else
        # TODO: need change for sparcv9 / x64 architecture ...
        CCOPTIONS="-Xc -xF -xcg92 -Dsun -D`uname -p` -DSVR4 -DSYSV"
      fi
    ;;
*-*-hpux*)
    if test $GCC = yes; then
        CCOPTIONS="-Dhpux -DSYSV"
    else
        CCOPTIONS="-Ae -Dhpux -DSYSV"
    fi
      ;;
i[[34567]]86-pc-beos*)
        CCOPTIONS="-DBEOS -D_POSIX_SOURCE -D_BSD_SOURCE"
        ;;
powerpc-*-beos*)
        CCOPTIONS="-DBEOS -D_POSIX_SOURCE -D_BSD_SOURCE"
        ;;
*-*-aix*)
    CCOPTIONS="-DSYSV"
    ;;
esac

dnl Checking if we use gcc or not
if test $debug = true; then
    if test $GCC = yes; then
      # FIXME: gcc -fstack-check doesn't work well on Linux/i386 ...
      CDEBUGFLAGS=${CDEBUGFLAGS:-"-g2 -O2 -Wall"}
    else
      CDEBUGFLAGS=${CDEBUGFLAGS:-""}
    fi
    INSTPGMFLAGS=
else
    CDEBUGFLAGS=${CDEBUGFLAGS:-""}
    INSTPGMFLAGS="-s"
fi
AC_SUBST(CCOPTIONS)
AC_SUBST(CDEBUGFLAGS)
AC_SUBST(INSTPGMFLAGS)

echo "Set CDEBUGFLAGS and CCOPTIONS to following:"
echo '  CDEBUGFLAGS="'"$CDEBUGFLAGS"'"'
echo '    CCOPTIONS="'"$CCOPTIONS"'"'

dnl ��������������������������������configure������������CPP������������
dnl ������������������������������������CPP������������������������
dnl ��CPP=${CPP:-"/usr/ccs/lib/cpp"}������������������������������������
dnl ����������������
AC_PROG_CPP

dnl Define cpp for text processing.
AC_MSG_CHECKING([cpp for text processing])
if test "$GCC" = "yes" -a "$CPP" = "$CC -E"; then
  # Need checking your gcc accepts '-traditional-cpp' option?
  FZK_PP=${FZK_PP:-"$CPP -traditional-cpp"}
else
  FZK_PP=${FZK_PP:-"$CPP"}
fi
AC_MSG_RESULT($FZK_PP)
AC_SUBST(FZK_PP)

dnl
dnl Checks for programs.
dnl
dnl ### AC_PROG_YACC
dnl ### AC_PROG_LEX
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
AC_PROG_LIBTOOL
AC_SUBST(LIBTOOL_DEPS)

# Libtool-2.4 needs more powerful shell (other than /bin/sh),
# so we explicitly use this SHELL directly.
LIBTOOL_MOD=`echo $LIBTOOL | sed 's,\$(SHELL),'${SHELL}','`
AC_SUBST(LIBTOOL_MOD)

dnl Checks for libraries.
dnl ### dnl Replace `main' with a function in -lX11:
dnl ### AC_CHECK_LIB(X11, main)

AC_SEARCH_LIBS(crypt, crypt)
AC_CHECK_LIB(socket, connect)
AC_CHECK_LIB(bind, getservbyname)
AC_SEARCH_LIBS(gethostbyname, nsl)
dnl libutil only needed by uum with openpty... (determine later)
AC_CHECK_LIB(util, openpty, [HAVE_LIBUTIL='have_libutil'])

dnl
dnl Checks for header files.
dnl
dnl disabled for now ...: dnl AC_PATH_X
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_HEADER_TIME
AC_CHECK_HEADERS(fcntl.h syslog.h unistd.h utmp.h utmpx.h \
        sys/file.h sys/ioctl.h sys/time.h sys/types.h sys/param.h \
        malloc.h strings.h memory.h \
        curses.h ncurses.h sgtty.h term.h termio.h termios.h \
        termcap.h sys/termio.h libutil.h\
)

dnl
dnl Terminal library selection.
dnl ported from vim6.1 via canuum (Canna 3.6p3) for uum.
dnl FIXME: cross compilation
dnl
olibs="$LIBS"
CNVFILE_SUBDIR=bsd
AC_MSG_CHECKING(--with-term-libs argument)
AC_ARG_WITH(tlib,
[  --with-term-libs=-lLIB  terminal library to be used ],)
if test -n "$with_term_libs"; then
  AC_MSG_RESULT($with_term_libs)
dnl  LIBS="$LIBS $with_term_libs"
  TERMLIB=$with_term_libs
else
  AC_MSG_RESULT([automatic terminal library selection])
  dnl  On HP-UX 10.10 termcap or termlib should be used instead of
  dnl  curses, because curses is much slower.
  dnl  Newer versions of ncurses are preferred over anything.
  dnl  Older versions of ncurses have bugs, get a new one!
  dnl  Digital Unix (OSF1) should use curses (Ronald Schild).
  case "`uname -s 2>/dev/null`" in
        OSF1)   tlibs="ncurses curses termlib termcap";;
        *)      tlibs="ncurses termlib termcap curses";;
  esac
 for libname in $tlibs; do
    AC_CHECK_LIB(${libname}, tgetent, [
      dnl It's possible that a library is found but it doesn't work
      dnl e.g., shared library that cannot be found.
      dnl compile and run a test program to be sure
      LIBS="${LIBS} -l${libname}"
      AC_TRY_RUN([
#ifdef HAVE_TERMCAP_H
# include <termcap.h>
#endif
main() {char *s; s=(char *)tgoto("%p1%d", 0, 1); exit(0); }],
        res="OK", res="FAIL", res="FAIL")
      if test "$res" = "OK"; then
        TERMLIB="${TERMLIB} -l${libname}"
        dnl lname=`echo ${libname} | sed 'y/termcaplibnus/TERMCAPLIBNUS/'`
        dnl AC_DEFINE_UNQUOTED(HAVE_${lname}, 1, [use ${libname} for terminal control])
        dnl We need to define AH_TEMPLATE (if we really need this)
        dnl ex. AH_TEMPLATE(HAVE_NCURSES, [use ncurses for terminal control])
        break
      fi
      AC_MSG_RESULT($libname library is not usable)
      ],)
    LIBS=${olibs}
  done
fi
if test "x$TERMLIB" != "x"; then
  LIBS="${LIBS} ${TERMLIB}"
  AC_MSG_CHECKING(whether we talk terminfo)
  AC_TRY_RUN([
#ifdef HAVE_TERMCAP_H
# include <termcap.h>
#endif
main()
{char *s; s=(char *)tgoto("%p1%d", 0, 1); exit(!strcmp(s==0 ? "" : s, "1")); }],
        [ AC_MSG_RESULT([no -- we are in termcap land])
          CNVFILE_SUBDIR=bsd ],
        [ AC_DEFINE(HAVE_TERMINFO, 1, [terminfo spoken here])
          AC_MSG_RESULT([yes -- terminfo spoken here])
          CNVFILE_SUBDIR=sysV ],
        AC_MSG_ERROR(failed to compile test program.))
else
  AC_MSG_RESULT(none found)
fi
LIBS=${olibs}
AC_SUBST(TERMLIB)
AC_SUBST(CNVFILE_SUBDIR)

dnl
dnl Checks for typedefs, structures, and compiler characteristics.
dnl
AC_TYPE_MODE_T
AC_HEADER_TIME

dnl AC_CHECK_TYPES(time_t,,
dnl     AC_DEFINE(time_t, long, [Define missing time_t.]),
dnl             [INCLUDES = time.h])
AC_CHECK_TYPES(socklen_t,,
                AC_DEFINE(socklen_t, int, [Define missing socklen_t.]), [
#if HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#include <sys/socket.h>])

AC_CHECK_MEMBERS([struct utmp.ut_user, struct utmp.ut_name, struct utmp.ut_id],,,[
#include <sys/types.h>
#if HAVE_UTMPX_H
#  include <utmpx.h>
#endif
#if HAVE_UTMP_H
#  include <utmp.h>
#endif])

dnl
dnl Checks for symbol
dnl

dnl
dnl Checks for library functions.
dnl
AC_PROG_GCC_TRADITIONAL

dnl idea borrowed from EB Library http://www.sra.co.jp/people/m-kasahr/eb/
AC_TYPE_SIGNAL
if test "$ac_cv_type_signal" = void; then
  AC_DEFINE(RETSIGTYPE_VOID, 1, [Define if the signal function returns void.])
fi

AC_FUNC_MEMCMP
AC_CHECK_FUNCS(getpgid getpgrp setpgrp wait3)
AC_FUNC_GETPGRP
AC_FUNC_SETPGRP
dnl FreeWnn do not use the 3rd parameter of wait3().
dnl AC_FUNC_WAIT3

olibs="$LIBS"
if test "x$HAVE_LIBUTIL" = "xhave_libutil"; then
    # openpty needs libutil in AC_CHECK_FUNCS, so add temporally
    LIBS="$LIBS -lutil"
fi

dnl NOTE: FD_SET is defined as macro on many systems. But this check
dnl       will be done in Wnn/include/wnn_os.h , so don't care...
AC_CHECK_FUNCS(random drand48 fchmod getopt killpg \
        FD_SET \
        gethostname select socket closesocket setsockopt send recv \
        getdtablesize getrlimit syslog vsyslog setenv snprintf \
        ptsname posix_openpt openpty pututxline pututline setsid)
dnl for bcopy/index -> memcpy/strchr conversion (preparation):
AC_CHECK_FUNCS(bcopy bzero bcmp index rindex \
        memcpy memmove memset strchr strrchr)
LIBS="${olibs}"

dnl Check fallback functions for jserver (should use AC_REPLACE_FUNCS?)
JS_SUPPORTOBJS=
AC_CHECK_FUNCS(mkdir vasprintf, ,
[JS_SUPPORTOBJS="${JS_SUPPORTOBJS} ${ac_func}.o"])
AC_SUBST(JS_SUPPORTOBJS)

dnl delayed check for --enable-client-utmp
if test $client = true; then
  if test $client_utmp = auto; then
    AC_EGREP_CPP(yes, [
#if HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
#if defined(BSD) && (BSD >= 199306) && !defined(HAVE_PUTUTXLINE) && !defined(HAVE_PUTUTLINE)
   yes
#endif
    ], client_utmp=false, client_utmp=true)
  fi

  dnl for Debug
  AC_MSG_CHECKING([whether we're using utmp with uum])
  if test $client_utmp = true; then
    dnl We need to look again if we introduce libspt check 
    AC_DEFINE(USE_UTMP, 1, [Define to 1 if uum writes utmp entry])
    AC_MSG_RESULT(yes)
  else
    AC_MSG_RESULT(no)
  fi
fi

dnl delayed check whether we use libutil or not
dnl Environment that has ptsname & openpty should use ptsname and
dnl libutil is not needed.
if test $client = true; then
  AC_CHECK_FUNCS([ptsname], [HAVE_PTSNAME='have_ptsname'])
  AC_MSG_CHECKING([whether we use libutil for uum])
  case "x$HAVE_PTSNAME$HAVE_LIBUTIL" in
  # 'xhave_ptsnamehave_libutil') ;;
  # 'xhave_ptsname') ;;
  'xhave_libutil')
    AC_MSG_RESULT(yes)
    UUM_LIBS="$UUM_LIBS -lutil" ;;
  # 'x') ;;
  *)
    AC_MSG_RESULT(no)
    ;;
  esac
  AC_SUBST(UUM_LIBS)
fi

dnl delayed check for --enable-client-set[ug]id
if test $client = true; then
  guess_setuid=
  guess_setgid=false
  dnl Note: (HAVE_OPENPTY && defined(TIOCPTMGET)): for recent OpenBSD 
  if test $client_utmp = true; then
    AC_EGREP_CPP(yes, [
#if HAVE_SYS_IOCTL_H
# include <sys/ioctl.h>
#endif
#if HAVE_PTSNAME || (HAVE_OPENPTY && defined(TIOCPTMGET))
# if HAVE_PUTUTLINE || HAVE_PUTUTXLINE
  yes
# endif
#endif
    ], [
    case $host_os in
    linux*)
      # On recent Linux, it has both ptsname() and putut*line().
      # But putut*line() will take effect only if prog is installed
      # with set-gid to group utmp.
      guess_setgid=true
      UUMGROUP=${UUMGROUP:-utmp}
      ;;
    esac
    guess_setuid=false
    ], guess_setuid=true)
  else
    # $client_utmp != true
    AC_EGREP_CPP(yes, [
#if HAVE_SYS_IOCTL_H
# include <sys/ioctl.h>
#endif
#if HAVE_PTSNAME || (HAVE_OPENPTY && defined(TIOCPTMGET))
  yes
#endif
    ], guess_setuid=false, guess_setuid=true)
  fi
  # $client_utmp != true

  if test $client_setuid = auto; then
    client_setuid=$guess_setuid
    # UUMOWNER is already set ...
  fi
  if test $client_setgid = auto; then
    client_setgid=$guess_setgid
    # UUMGROUP is already set (if it needs)
  fi

  dnl set install flag (at last)
  if test $client_setuid = true; then
    INSTUUMFLAGS="-o \$(UUMOWNER)"
    if test $client_setgid = true; then
      INSTUUMFLAGS="-m 6711 $INSTUUMFLAGS -g \$(UUMGROUP)"
    else
    # client_setuid && !client_setgid
      INSTUUMFLAGS="-m 4711 $INSTUUMFLAGS"
    fi
  else
    if test $client_setgid = true; then
    # !client_setuid && client_setgid
      INSTUUMFLAGS="-m 2711 -g \$(UUMGROUP)"
    else
    # !client_setuid && !client_setgid
      INSTUUMFLAGS="-m 0711"
    fi
  fi

  dnl for Debug
  AC_MSG_CHECKING([whether we need to install uum as setuid program])
  if test $client_setuid = true; then
    AC_MSG_RESULT([yes, $UUMOWNER])
  else
    AC_MSG_RESULT(no)
  fi
  AC_MSG_CHECKING([whether we need to install uum as setgid program])
  if test $client_setgid = true; then
    AC_MSG_RESULT([yes, $UUMGROUP])
  else
    AC_MSG_RESULT(no)
  fi
else
# $client != true
  INSTUUMFLAGS="-m 4711 -o \$(UUMOWNER)"
fi
# $client = true

AC_SUBST(INSTUUMFLAGS)
AC_SUBST(UUMOWNER)
AC_SUBST(UUMGROUP)

dnl
dnl File Existence
dnl Checking file at compile time may bring false result when cross-
dnl compiling. So, one have to check generated config.h and edit it
dnl if necessary after running configure.
dnl
dnl AC_CHECK_FILE(/dev/ptmx, AC_DEFINE(HAVE_DEV_PTMX, 1, [/dev/ptmx found]),)
AC_CHECK_FILES(/dev/ptmx,,)


dnl
dnl FIXME: libspt support
dnl for example:
dnl
dnl --with-libspt[=/path/to/libspt-config]
dnl
dnl LIBSPT_CFLAGS=`/path/to/libspt-config --cflags`
dnl LIBSPT_LIBS=`/path/to/libspt-config --libs`
dnl AC_SUBST(LIBSPT_CFLAGS)
dnl AC_SUBST(LIBSPT_LIBS)
dnl AC_DEFINE(HAVE_LIBSPT, 1, [Define if you have libspt support.])

dnl
dnl TCP Wrapper.
dnl
WRAPLIB=
AC_MSG_CHECKING(whether to use libwrap)
AC_ARG_WITH(libwrap,
        [  --with-libwrap[[=DIR]]    Compile in libwrap (tcp_wrappers) support [[default=try to find libwrap]]],
        [ case "$withval" in
          no)
            AC_MSG_RESULT(no)
            WRAP_TRY=no
            ;;
          yes)
            AC_MSG_RESULT(yes)
            WRAP_TRY=yes
            ;;
          *)
            AC_MSG_RESULT(yes)
            WRAP_TRY=yes
            if test -d "$withval"; then
              WRAPINCLUDES="-I$withval"
              if test -d $withval/include; then
                WRAPINCLUDES="-I$withval/include $WRAPINCLUDES"
              fi
              WRAPLIB="-L$withval -lwrap"
              if test -d $withval/lib; then
                WRAPLIB="-L$withval/lib $WRAPLIB"
              fi
            else
              WRAPINCLUDES="$withval"
            fi
            ;;
        esac],
        [AC_MSG_RESULT([try to find])
         WRAP_TRY=auto]
)
# Link test for libwrap
if test "$WRAP_TRY" = yes -o "$WRAP_TRY" = auto; then
    OLDCFLAGS="$CFLAGS"
    CFLAGS="$WRAPINCLUDES $CFLAGS"
    OLDLIBS="$LIBS"
    WRAPLIB=${WRAPLIB:-"-lwrap"}
    LIBS="$WRAPLIB $OLDLIBS"
    AC_MSG_CHECKING([libwrap is working])
    AC_TRY_LINK([ int allow_severity; int deny_severity; ],
                [ hosts_access(); ],
                [ AC_MSG_RESULT(yes)
                  AC_DEFINE(HAVE_LIBWRAP, 1,
                           [Define if you have libwrap (TCP wrapper) support.])
                  AC_SUBST(WRAPLIB)],
                [ AC_MSG_RESULT(no)
                  if test "$WRAP_TRY" = yes; then
                    AC_MSG_ERROR([Could not find libwrap. Please check config.log.])
                  else
                    # recover old flag / clear needless WRAPLIB and continue
                    CFLAGS=$OLDCFLAGS
                    WRAPLIB=
                  fi] )
    # only jserver needs libwrap, recover LIBS also
    LIBS=$OLDLIBS
fi


dnl
dnl Creating Makefiles.
dnl
# mkdir -p Contrib/dic/gerodic in case builddir != srcdir
dir=Contrib/dic/gerodic
if test ! -d $dir; then
  echo "creating $dir ..."
  $ac_install_sh -d $dir
fi

dnl
dnl Generate Makefiles
dnl

dnl Generic

makefiles_generic="makerule.mk Makefile"

dnl Japanese

if test "x${Wnn}" = "xWnn"; then
  makefiles_wnn="Wnn/Makefile Wnn/conv/Makefile Wnn/include/Makefile \
        Wnn/jd/Makefile Wnn/jd/rk/Makefile Wnn/jd/rk.vi/Makefile \
        Wnn/jlib/Makefile Wnn/jlib.V3/Makefile Wnn/jserver/Makefile \
        Wnn/jutil/Makefile Wnn/ld/Makefile Wnn/ld/rk/Makefile \
        Wnn/romkan/Makefile Wnn/uum/Makefile \
        Wnn/man/Makefile Wnn/man/2.env/Makefile Wnn/man/3.libwnn/Makefile \
        Wnn/man/4.cmd/Makefile Wnn/man/6.jutil/Makefile \
        Wnn/man/2.env/dic/Makefile Wnn/man/2.env/wnn/Makefile \
        Wnn/man/3.libwnn/jl_lib/Makefile Wnn/man/3.libwnn/js_lib/Makefile \
        Wnn/man/3.libwnn/misc_lib/Makefile Wnn/man/3.libwnn/rk_lib/Makefile"
  makefiles_wnn_dic="Contrib/dic/gerodic/Makefile Wnn/pubdicplus/Makefile \
        Wnn/wnncons/Makefile Wnn/wnncons/dic/Makefile"
fi

dnl Chinese and Taiwanese

if test "x$cWnn" = "xcWnn"; then
  makefiles_cwnn="cWnn/Makefile cWnn/conv/Makefile cWnn/etc/Makefile \
        cWnn/cd/Makefile cWnn/cd/rk/Makefile \
        cWnn/cd/rk_p/Makefile cWnn/cd/rk_z/Makefile \
        cWnn/td/Makefile cWnn/td/rk/Makefile \
        cWnn/td/rk_z/Makefile cWnn/td/rk_p/Makefile \
        cWnn/include/Makefile cWnn/jlib/Makefile \
        cWnn/jserver/Makefile cWnn/jutil/Makefile \
        cWnn/man/Makefile cWnn/man/1.intro/Makefile cWnn/man/2.env/Makefile \
        cWnn/man/4.cmd/Makefile cWnn/man/6.jutil/Makefile \
        cWnn/romkan/Makefile cWnn/uum/Makefile"
  makefiles_cwnn_dic="cWnn/cdic/Makefile cWnn/tdic/Makefile"
fi

dnl Korean

if test "x$kWnn" = "xkWnn"; then
  makefiles_kwnn="kWnn/Makefile kWnn/conv/Makefile kWnn/etc/Makefile \
        kWnn/include/Makefile kWnn/jlib/Makefile kWnn/jutil/Makefile \
        kWnn/jserver/Makefile kWnn/kd/Makefile kWnn/kd/rk/Makefile \
        kWnn/romkan/Makefile kWnn/uum/Makefile"
  makefiles_kwnn_dic="kWnn/kdic/Makefile"
fi

AC_OUTPUT(${makefiles_generic} \
        ${makefiles_wnn} ${makefiles_wnn_dic} \
        ${makefiles_cwnn} ${makefiles_cwnn_dic} \
        ${makefiles_kwnn} ${makefiles_kwnn_dic})