AC_INIT(patchlevel.h)

dnl On Athena at least, many of the packages (krb, zephyr, hesiod, etc)
dnl will all be in /usr/athena... this hack lets us not end up with 10
dnl copies of -I/usr/athena/include -L/usr/athena/lib in our command lines
AC_DEFUN(MR_EXTEND, [
    case $$1 in
	*$2*) ;;
	*) $1=$2\ $$1 ;;
    esac
])

AC_CANONICAL_HOST
# SO_LDFLAGS setting below is a great big ick.
# But it beats sucking in libtool for one small part of the source tree.
case $host_os in
solaris*)
	short_os=solaris
	SO_LDFLAGS="-G"
	;;
irix*)
	short_os=irix
	SO_LDFLAGS="-shared"
	;;
linux*)
	short_os=linux
	SO_LDFLAGS="-shared"
	;;
esac
AC_SUBST(SO_LDFLAGS)

dnl Define for both C and Pro*C
AC_DEFUN(MR_DEFINE, [
    AC_DEFINE($1)
    MR_EXTEND(PRO_C_DEFS, DEFINE=$1)
])

dnl Add to include path for both C and Pro*C
AC_DEFUN(MR_INCLUDE, [
    MR_EXTEND(CPPFLAGS, -I$1)
    MR_EXTEND(PRO_C_INCLUDES, INCLUDE=$1)
]) 

dnl Add to lib path
AC_DEFUN(MR_LIBS, [MR_EXTEND(LIBPATH, -L$1)])

AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_RANLIB
AC_PROG_LIBTOOL
AC_PROG_MAKE_SET

if test "$athena" = true; then
    enable_athena=yes
    prefix=/afs/.athena.mit.edu/system/moira
    bindir=$prefix/arch/$ATHENA_SYS/bin
    libdir=$prefix/arch/$ATHENA_SYS/lib
    sbindir=$bindir
    MR_INCLUDE(/usr/athena/include)
    MR_LIBS(/usr/athena/lib)
fi

# We currently just don't support changing this
mrbindir=/moira/bin
AC_SUBST(mrbindir)

# Athena-local policy decisions
AC_MSG_CHECKING(for Athena)
AC_ARG_ENABLE(athena,
    [  --enable-athena         Enable Athena-specific policy decisions],
    , [if test "$athena" = true; then
           enableval=yes
       else
	   enableval=no
       fi])
AC_MSG_RESULT($enableval)
if test "$enableval" = yes; then
    MR_DEFINE(ATHENA)
fi

# Networking libraries
AC_CHECKING(network libraries...)
AC_CHECK_FUNC(gethostbyname, :,
	      AC_CHECK_LIB(nsl, gethostbyname, ,
			   AC_CHECK_LIB(resolv, gethostbyname)))
AC_CHECK_FUNC(socket, :,
	      AC_CHECK_LIB(socket, socket, ,
			   AC_CHECK_LIB(socket, socket,
					LIBS="-lsocket -lnsl $LIBS", :,
					-lnsl)))

# com_err (required, but can be built)
AC_MSG_CHECKING(for com_err)
AC_ARG_WITH(com_err,
    [  --with-com_err=PREFIX   Specify location of com_err],
    [AC_MSG_RESULT($withval)
     if test $withval = "no"; then
         AC_MSG_ERROR(com_err is required for Moira)
     fi
     if test $withval != "yes"; then
	 MR_INCLUDE($withval/include)
	 MR_LIBS($withval/lib)
     fi
     COMPILE_ET=compile_et],
    [AC_MSG_RESULT(util/et)
     MR_INCLUDE(`pwd`/util/et)
     MR_LIBS(`pwd`/util/et)
     COMPILE_ET=`pwd`/util/et/compile_et
     AC_CONFIG_SUBDIRS(util/et)])
AC_SUBST(COM_ERR_SUBDIR)
AC_SUBST(COMPILE_ET)

AC_CHECK_LIB(k5crypto, main, crypto="k5crypto",
             [AC_CHECK_LIB(crypto, main, crypto="crypto")])

# Kerberos (Kerberos 4 optional, Kerberos 5 required)
AC_MSG_CHECKING(for Kerberos 4)
AC_ARG_WITH(krb4,
    [  --with-krb4=PREFIX      Specify location of krb4],
    [krb4="$withval"], [krb4=no])
AC_MSG_RESULT($krb4)
if test "$krb4" != no; then
    if test "$krb4" != yes; then
	MR_INCLUDE($krb4/include)
	if test -d "$krb4/include/kerberosIV"; then
	    MR_INCLUDE($krb4/include/kerberosIV)
	fi
	MR_LIBS($krb4/lib)
    elif test -d /usr/include/kerberosIV; then
	MR_INCLUDE(/usr/include/kerberosIV)
    fi
    MR_DEFINE(HAVE_KRB4)
    AC_CHECK_LIB(krb4, krb_rd_req,
		 [KRB4_LIBS="-lkrb4 -ldes425 -lkrb5 -l${crypto} -lresolv"],
		 [AC_CHECK_LIB(krb, krb_rd_req,
			       [KRB4_LIBS="-lkrb -ldes"],
			       [AC_MSG_ERROR(Kerberos 4 libraries not found)],
			       $LIBPATH -ldes)],
		 $LIBPATH -ldes425 -lkrb5 -l${crypto} -lcom_err -lresolv)
fi

AC_MSG_CHECKING(for Kerberos 5)
AC_ARG_WITH(krb5,
    [  --with-krb5=PREFIX      Specify location of krb5],
    [krb5="$withval"], [krb5=no])
AC_MSG_RESULT($krb5)
if test "$krb5" != no; then
    REG_SVR_DEFS=-DKRB5
    if test "$krb5" != yes; then
	REG_SVR_INCLUDES=-I$krb5/include
	REG_SVR_LIBS=-L$krb5/lib
	MR_INCLUDE($krb5/include)
	MR_LIBS($krb5/lib)
    fi
    MR_DEFINE(HAVE_KRB5)
    KRB5_LIBS="-lkrb5 -l${crypto} -lcom_err -lresolv"
    REG_SVR_LIBS="$REG_SVR_LIBS -lkadm5clnt -lgssapi_krb5 -lgssrpc -lkrb5 -l${crypto} -lresolv"
else
    REG_SVR_DEFS=-DKRB4
    REG_SVR_LIBS=-lkadm
fi
AC_SUBST(REG_SVR_DEFS)
AC_SUBST(REG_SVR_INCLUDES)
AC_SUBST(REG_SVR_LIBS)

# Hesiod support
AC_MSG_CHECKING(for Hesiod)
AC_ARG_WITH(hesiod,
    [  --with-hesiod=PREFIX    Specify location of Hesiod],
    [hesiod="$withval"], [hesiod=no])
AC_MSG_RESULT($hesiod)
if test "$hesiod" != no; then
    if test "$hesiod" != yes; then
	MR_INCLUDE($hesiod/include)
	MR_LIBS($hesiod/lib)
    fi
    AC_CHECK_FUNC(res_send, :,
		  AC_CHECK_LIB(resolv, res_send))
    AC_CHECK_LIB(hesiod, hes_resolve, :,
		 [AC_MSG_ERROR(Hesiod library not found)],
		 $LIBPATH $LIBS)
    MR_DEFINE(HAVE_HESIOD)
fi

# Zephyr support
AC_MSG_CHECKING(for Zephyr)
AC_ARG_WITH(zephyr,
    [  --with-zephyr=PREFIX    Specify location of Zephyr],
    [zephyr="$withval"], [zephyr=no])
AC_MSG_RESULT($zephyr)
if test "$zephyr" != no; then
    if test "$zephyr" != yes; then
	MR_INCLUDE($zephyr/include)
	MR_LIBS($zephyr/lib)
    fi
    AC_CHECK_LIB(zephyr, ZInitialize, :,
		 [AC_MSG_ERROR(Zephyr library not found)],
		 $LIBPATH $KRB4_LIBS $KRB5_LIBS -lcom_err)
    MR_DEFINE(HAVE_ZEPHYR)
fi

# RSAREF support (default: build util/rsaref if present)
AC_MSG_CHECKING(for RSAREF)
AC_ARG_WITH(rsaref,
    [  --with-rsaref=PREFIX      Specify location of RSAREF],
    [rsaref="$withval"
     RSAREF_CPPFLAGS="-I$rsaref/include"
     RSAREF_LIBS="$rsaref/lib/rsaref.a"],
     RSAREF_SUBDIRS=reg_svr
    [if test -d $srcdir/util/rsaref; then
         rsaref=$srcdir/util/rsaref
	 RSAREF_SUBDIRS="util/rsaref reg_svr"
	 RSAREF_OUTPUT_FILES="util/rsaref/Makefile"
	 # autoconf can't deal with creating util/rsaref if util doesn't exist
	 if test ! -d util; then
	     mkdir util
	 fi
	 RSAREF_CPPFLAGS='-I$(SRCTOP)/util/rsaref'
	 RSAREF_LIBS='$(BUILDTOP)/util/rsaref/rsaref.a'
	 RSAREF_LIBDEP='$(BUILDTOP)/util/rsaref/rsaref.a'
     else
         rsaref=no
     fi])
AC_MSG_RESULT($rsaref)
if test "$rsaref" != no; then
    MR_DEFINE(HAVE_RSAREF)
fi
AC_SUBST(RSAREF_CPPFLAGS)
AC_SUBST(RSAREF_LIBS)
AC_SUBST(RSAREF_SUBDIRS)
AC_SUBST(RSAREF_LIBDEP)

# Oracle (default: yes, if $ORACLE_HOME is set)
AC_MSG_CHECKING(for Oracle)
AC_ARG_WITH(oracle,
    [  --with-oracle=PREFIX    Specify location of Oracle (for server)],
    [oracle="$withval"],
    [if test -n "$ORACLE_HOME" -a -d "$ORACLE_HOME"; then
         oracle=$ORACLE_HOME
     else
	 oracle=no
     fi])
AC_MSG_RESULT($oracle)
if test "$oracle" != no; then
    AC_MSG_CHECKING(Pro*C version)
    ORACLE_HOME=$oracle release=`$ORACLE_HOME/bin/proc | awk '/Release/ {print $3;}'`
    AC_MSG_RESULT($release)
    case $release in
	2.0.6.0.0)
	    SQL_LIBS="-L$oracle/lib -lsql $oracle/lib/osntab.o -lsqlnet -lora -lsqlnet -lnlsrtl -lcv6 -lcore -lnlsrtl -lcore -lm"
	    ;;
	2.2.4.0.0)
	    SQL_LIBS="-L$oracle/lib -lclntsh -lxa -lsql -lsqlnet -lncr -lsqlnet -lclient -lcommon -lgeneric -lsqlnet -lncr -lsqlnet -lclient -lcommon -lgeneric   -lepc -lnlsrtl3 -lc3v6 -lcore3 -lnlsrtl3 -lcore3 -lnlsrtl3 `cat $oracle/rdbms/lib/sysliblist` -lm -lthread"
	    ;;
	8.1.7.4.0)
	    SQL_LIBS="-L$oracle/lib -lclntsh `cat $oracle/lib/sysliblist` -R$oracle/lib -laio -lm -lthread"
	    ;;
	10.2.0.2.0)
	    SQL_LIBS="-L$oracle/lib32 -lclntsh `cat $oracle/lib32/ldflags` `cat $oracle/lib32/sysliblist` -R$oracle/lib32 -laio -lposix4 -lm -lthread"
	    ;;
	*)
	    AC_MSG_ERROR(Unsupported Oracle release)
	    ;;
    esac
    SVRSUBDIRS='$(SVRDIRS)'
    SERVER_OUTPUT_FILES="db/Makefile server/Makefile backup/Makefile dbck/Makefile dcm/Makefile gen/Makefile incremental/Makefile incremental/mailman/Makefile reg_svr/Makefile regtape/Makefile"
    PRO_C=$oracle/bin/proc
    PRO_C_OPTS=CODE=ANSI_C
    PRO_C_DEFS="DEFINE=_PROC_ DEFINE=__sparc $PRO_C_DEFS"
fi
AC_SUBST(PRO_C)
AC_SUBST(PRO_C_DEFS)
AC_SUBST(PRO_C_INCLUDES)
AC_SUBST(PRO_C_OPTS)
AC_SUBST(SQL_LIBS)
AC_SUBST(SVRSUBDIRS)

# Java support, for webmoira
AC_MSG_CHECKING(for Java)
AC_ARG_WITH(java,
    [ --with-java=PREFIX       Specify location of Java libs and headers],
    [ java="$withval"],
    [if test -n "$JAVA_HOME" -a -d "$JAVA_HOME"; then
	java=$JAVA_HOME
     else
	java=no
     fi])
AC_MSG_RESULT($java)
if test "$java" != no; then
    if test "$java" != yes; then
	JAVA_CPPFLAGS="-I$java/include -I$java/include/$short_os"
    fi
    MR_DEFINE(HAVE_JAVA)

    WEBMOIRA_SUBDIRS="webmoira"
    WEBMOIRA_OUTPUT_FILES="webmoira/Makefile"
fi
AC_SUBST(JAVA_CPPFLAGS)
AC_SUBST(WEBMOIRA_SUBDIRS)

# LDAP support
AC_MSG_CHECKING(for LDAP)
AC_ARG_WITH(ldap,
    [  --with-ldap=PREFIX      Specify location of LDAP libs (for server)],
    [ ldap="$withval"], 
    [if test -n "$LDAP_HOME" -a -d "$LDAP_HOME"; then
         ldap=$LDAP_HOME
     else
	 ldap=no
     fi])
AC_MSG_RESULT($ldap)
if test "$ldap" != no -a "$oracle" != no; then
    if test "$ldap" != yes; then
        LDAP_CPPFLAGS="-I$ldap/include"
	LDAP_LIBS="-L$ldap/lib"
    fi
    MR_DEFINE(HAVE_LDAP)

    WINAD_SUBDIRS="winad ldap"
    WINAD_OUTPUT_FILES="incremental/winad/Makefile incremental/ldap/Makefile"
fi
AC_SUBST(LDAP_CPPFLAGS)
AC_SUBST(LDAP_LIBS)
AC_SUBST(WINAD_SUBDIRS)

# AFS support
AC_MSG_CHECKING(for AFS)
AC_ARG_WITH(afs,
    [  --with-afs=PREFIX       Specify location of AFS libs (for server)],
    [afs="$withval"], [afs=no])
AC_MSG_RESULT($afs)
if test "$afs" != no -a "$oracle" != no; then
    if test "$afs" != yes; then
	AFS_CPPFLAGS="-I$afs/include -I$afs/include/afs -I$afs/include/rx"
	AFS_PRO_C_INCLUDES="INCLUDE=$afs/include INCLUDE=$afs/include/afs INCLUDE=$afs/include/rx"
	AFS_LIBS="-L$afs/lib -L$afs/lib/afs"
	AFS_DIR=$afs
    fi
    AC_CHECK_LIB(sys, pioctl, :,
		 [AC_MSG_ERROR(AFS libraries not found)],
		 $AFS_LIBS -lrx -llwp -lsys -lafsutil)
    MR_DEFINE(HAVE_AFS)

    AFS_SUBDIRS="afs"
    AFS_OUTPUT_FILES="incremental/afs/Makefile"
    if test -d $srcdir/afssync; then
	AFS_SYNCDIR="afssync"
	AFS_OUTPUT_FILES="$AFS_OUTPUT_FILES afssync/Makefile"
    fi
fi
AC_SUBST(AFS_CPPFLAGS)
AC_SUBST(AFS_PRO_C_INCLUDES)
AC_SUBST(AFS_LIBS)
AC_SUBST(AFS_DIR)
AC_SUBST(AFS_SUBDIRS)
AC_SUBST(AFS_SYNCDIR)

# GNU readline
AC_CHECKING(for GNU readline...)
AC_ARG_WITH(readline,
    [  --with-readline=PREFIX  Specify location of GNU readline],
    [readline="$withval"; AC_MSG_RESULT($withval)],
    [AC_CHECK_LIB(readline, readline, [readline=yes],
	[if test "$athena" = true; then
	     unset ac_cv_lib_readline_readline
	     AC_CHECK_LIB(readline, readline, [readline=/mit/gnu], :,
	         -L/mit/gnu/lib -ltermcap)
	 fi],
	-ltermcap)])
if test "$readline" != no; then
    if test "$readline" != yes; then
	READLINE_CPPFLAGS="-I$readline/include"
	READLINE_LIBS="-L$readline/lib"
    fi
    READLINE_CPPFLAGS="$READLINE_CPPFLAGS -DHAVE_READLINE"
    READLINE_LIBS="$READLINE_LIBS -lreadline -ltermcap"
fi
AC_SUBST(READLINE_CPPFLAGS)
AC_SUBST(READLINE_LIBS)

# Curses
curses=curses
AC_CHECKING(for curses)
AC_CHECK_LIB(curses, main, :, AC_CHECK_LIB(ncurses, main, curses=ncurses))
if test -n "$curses"; then
    OLDLIBS=$LIBS
    LIBS=-l$curses
    AC_CHECKING(if curses needs termcap)
    dnl we need to use AC_TRY_RUN because under NetBSD, the program will
    dnl link with just -lcurses, but then fail with a runtime linker error
    dnl because you didn't use -ltermcap
    AC_TRY_RUN([#include <curses.h>
		main(int argc, char **argv)
		{
		    initscr();
		    endwin();
		    return 0;
		}], [CURSES_LIBS="-l$curses"],
		LIBS="-l$curses -ltermcap"
		AC_TRY_RUN([#include <curses.h>
			    main(int argc, char **argv)
			    {
				initscr();
				endwin();
				return 0;
			    }], [CURSES_LIBS="-l$curses -ltermcap"],
			    :, :),
		:)
    LIBS=$OLDLIBS
fi
if test -n "$CURSES_LIBS"; then
    OLDLIBS=$LIBS
    LIBS=$CURSES_LIBS
    AC_TRY_LINK([#include <curses.h>],[WINDOW *w; getmaxx(w);],
		:,
		AC_TRY_COMPILE([#include <curses.h>],[WINDOW *w; w->_maxx;],
			       [CURSES_CPPFLAGS="-D'getmaxx(w)=w->_maxx'"],
			       [CURSES_CPPFLAGS="-D'getmaxx(w)=w->maxx'"]))
    AC_TRY_LINK([#include <curses.h>],[newterm(NULL, NULL, NULL);],
		[CURSES_CPPFLAGS="$CURSES_CPPFLAGS -DCURSES_HAS_NEWTERM"])
    LIBS=$OLDLIBS
    CURSES_CPPFLAGS="-DHAVE_CURSES $CURSES_CPPFLAGS"
    CURSES_SUBDIRS='$(CURSES_SUBDIRS)'
else
    AC_MSG_WARN(Couldn't find -lcurses)
fi
AC_SUBST(CURSES_CPPFLAGS)
AC_SUBST(CURSES_LIBS)
AC_SUBST(CURSES_SUBDIRS)


AC_CHECK_FUNCS(getusershell strlcpy strlcat uname strvis)

AC_CHECK_FUNC(sigaction, AC_DEFINE(HAVE_POSIX_SIGNALS))

AC_CHECK_HEADERS(unistd.h getopt.h)

AC_CHECK_HEADER(netinet/in.h, AC_DEFINE(HAVE_NETINET_IN_H), no_netinet_in=yes)

if test "$no_netinet_in" != "yes"; then
    AC_MSG_CHECKING(for in_addr_t defined in netinet/in.h)
    AC_EGREP_HEADER(in_addr_t, netinet/in.h,
	ac_cv_type_in_addr_t=yes, ac_cv_type_in_addr_t=no)
    AC_MSG_RESULT($ac_cv_type_in_addr_t)
fi

if test "$ac_cv_type_in_addr_t" != "yes"; then
  AC_DEFINE(in_addr_t, uint32_t)
fi

MR_EXTEND(PRO_C_INCLUDES, INCLUDE='$(srcdir)')
MR_INCLUDE('$(SRCTOP)/include')
MR_INCLUDE('$(SRCTOP)/lib')
MR_INCLUDE('$(BUILDTOP)/lib')
MR_INCLUDE('$(BUILDTOP)/db')
MR_INCLUDE('$(srcdir)')
LDFLAGS="$LDFLAGS -L\$(BUILDTOP)/lib $LIBPATH"
KLIBS="$KRB4_LIBS $KRB5_LIBS -lcom_err $LIBS"
KLIBS="$LIBS"
if test "$hesiod" != no; then
  KLIBS="-lhesiod $KLIBS"
fi
KLIBS="$KRB4_LIBS $KRB5_LIBS -lcom_err $KLIBS"
if test "$zephyr" != no; then
  KLIBS="-lzephyr $KLIBS"
fi
MR_LIBDEP='$(BUILDTOP)/lib/libmoira.la'
AC_SUBST(MR_LIBDEP)

LIBS="$MR_LIBDEP $KLIBS"
AC_SUBST(KLIBS)

AC_OUTPUT(Makefile lib/Makefile include/Makefile clients/Makefile \
	  clients/lib/Makefile clients/addusr/Makefile \
	  clients/blanche/Makefile clients/chfn/Makefile \
	  clients/chpobox/Makefile clients/chsh/Makefile \
	  clients/eunice/Makefile clients/mailmaint/Makefile \
	  clients/mitch/Makefile clients/moira/Makefile \
	  clients/mrcheck/Makefile clients/mrtest/Makefile \
	  clients/stanley/Makefile clients/stella/Makefile \
	  update/Makefile man/Makefile $WEBMOIRA_OUTPUT_FILES \
	  $SERVER_OUTPUT_FILES $WINAD_OUTPUT_FILES \
	  $AFS_OUTPUT_FILES $RSAREF_OUTPUT_FILES)