AC_PREREQ(2.52)
AC_INIT(daemon/gdm.h)

dnl
dnl Due to the sed scripts being split on 90 line
dnl blocks, this macro needs to be right at the beggining.
dnl
AC_PROG_INTLTOOL([0.21])

AM_CONFIG_HEADER(config.h)
AM_INIT_AUTOMAKE(gdm,2.4.1.2)
AM_MAINTAINER_MODE

GDK_PIXBUF_REQUIRED=1.3.1
GTK_REQUIRED=1.3.1
LIBGLADE_REQUIRED=1.99.2
LIBGNOME_REQUIRED=1.96.0
LIBGNOMEUI_REQUIRED=1.96.0
LIBGNOMECANVAS_REQUIRED=1.109.0
LIBRSVG_REQUIRED=1.1.1
LIBXML_REQUIRED=2.4.12
SCROLLKEEPER_REQUIRED=0.1.4

# find the actual value for $prefix that we'll end up with
REAL_PREFIX=
if test "x$prefix" = "xNONE"; then
  REAL_PREFIX=$ac_default_prefix
else
  REAL_PREFIX=$prefix
fi
old_prefix=$prefix
prefix=$REAL_PREFIX

REAL_EXEC_PREFIX=
if test "x$exec_prefix" = "xNONE"; then
  REAL_EXEC_PREFIX=$prefix
else
  REAL_EXEC_PREFIX=$exec_prefix
fi
old_exec_prefix=$exec_prefix
exec_prefix=$REAL_EXEC_PREFIX


dnl
dnl Configure arguments
dnl
AC_ARG_ENABLE(console-helper,
  [  --enable-console-helper=[auto/no/yes]  Enable PAM console helper [default=auto]],,
  enable_console_helper=auto)
    
AC_ARG_ENABLE(authentication-scheme,
  [  --enable-authentication-scheme=[auto/pam/crypt/shadow]  Choose a specific
                          authentication scheme [default=auto]],,
  enable_authentication_scheme=auto)

AC_ARG_WITH(xinerama,
  [  --with-xinerama=[auto/yes/no]  Add Xinerama support [default=auto]],,
  with_xinerama=auto)

AC_ARG_WITH(xdmcp,
  [  --with-xdmcp=[auto/yes/no]  Add XDMCP (remote login) support [default=auto]],,
  with_xdmcp=auto)

AC_ARG_WITH(tcp-wrappers,
  [  --with-tcp-wrappers=[auto/yes/no]  Use TCP Wrappers [default=auto]],,
  with_tcp_wrappers=auto)

dnl
dnl PAM prefix
dnl
withval=""
AC_ARG_WITH(pam-prefix,
[      --with-pam-prefix=<prefix>   specify where pam files go],[
if test x$withval != x; then
   AC_MSG_RESULT("PAM files will be installed in prefix ${withval}.")
fi])
if test x$withval != x; then
	PAM_PREFIX_UNEXPANDED="$withval"
else
	PAM_PREFIX_UNEXPANDED="$sysconfdir"
fi
PAM_PREFIX=`eval echo $PAM_PREFIX_UNEXPANDED`
AC_SUBST(PAM_PREFIX)

    
AC_PATH_PROG(CONSOLE_HELPER,consolehelper,no)
if test "x$CONSOLE_HELPER" = "xno" ; then
  if test "x$enable_console_helper" = "xyes" ; then
    AC_MSG_ERROR(Console helper requested but consolehelper binary not found)
  fi
  # if it was no, nothing happens, if it was auto, well then we're out of luck
  enable_console_helper=no
else
  if test ! "x$enable_console_helper" = "xno" ; then
    enable_console_helper=yes
  fi
fi

dnl
dnl Standard stuff
dnl
GNOME_COMMON_INIT

AC_ISC_POSIX
AC_PROG_CC
AC_STDC_HEADERS
dnl AC_ARG_PROGRAM
AM_PROG_LIBTOOL
AC_PATH_XTRA
AC_CHECK_TYPE(socklen_t,size_t)
AC_CHECK_FUNCS(setresuid)

GNOME_COMPILER_WARNINGS

PKG_CHECK_MODULES(DAEMON, gdk-pixbuf-2.0 >= $GDK_PIXBUF_REQUIRED gtk+-2.0 >= $GTK_REQUIRED libgnome-2.0 >= $LIBGNOME_REQUIRED)
AC_SUBST(DAEMON_CFLAGS)
AC_SUBST(DAEMON_LIBS)

PKG_CHECK_MODULES(GUI, gdk-pixbuf-2.0 >= $GDK_PIXBUF_REQUIRED gtk+-2.0 >= $GTK_REQUIRED libgnomeui-2.0 >= $LIBGNOMEUI_REQUIRED libglade-2.0 >= $LIBGLADE_REQUIRED)
AC_SUBST(GUI_CFLAGS)
AC_SUBST(GUI_LIBS)

PKG_CHECK_MODULES(GREETER, gdk-pixbuf-2.0 >= $GDK_PIXBUF_REQUIRED gtk+-2.0 >= $GTK_REQUIRED libgnomecanvas-2.0 >= $LIBGNOMECANVAS_REQUIRED libgnome-2.0 >= $LIBGNOMEUI_REQUIRED librsvg-2.0 >= $LIBRSVG_REQUIRED libxml-2.0 >= $LIBXML_REQUIRED)
AC_SUBST(GREETER_CFLAGS)
AC_SUBST(GREETER_LIBS)

PKG_CHECK_MODULES(UTILS, gdk-pixbuf-2.0 >= $GDK_PIXBUF_REQUIRED gtk+-2.0 >= $GTK_REQUIRED libgnomeui-2.0 >= $LIBGNOMEUI_REQUIRED libglade-2.0 >= $LIBGLADE_REQUIRED)
AC_SUBST(UTILS_CFLAGS)
AC_SUBST(UTILS_LIBS)

dnl Allow users to run gdmsetup using the console helper PAM stuff.
if test "x$enable_console_helper" = "xyes"; then
  AM_CONDITIONAL(CONSOLE_HELPER, true)
else
  AM_CONDITIONAL(CONSOLE_HELPER, false)
fi

AC_SUBST(CFLAGS)
AC_SUBST(CPPFLAGS)
AC_SUBST(LDFLAGS)

dnl ## Language Support
GETTEXT_PACKAGE=gdm-2.4
AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE, "$GETTEXT_PACKAGE")
AC_SUBST(GETTEXT_PACKAGE)

dnl ## internationalization support
ALL_LINGUAS="am ar az be bg ca cs da de el es et eu fi fr ga gl he hu it ja ko lt lv mk mn ms nl nn no pl pt_BR pt ro ru sk sl sv ta tr uk vi zh_CN zh_TW"
AM_GLIB_GNU_GETTEXT

EXTRA_DAEMON_LIBS=""

# TCP Wrappers for XDMCP access control
if test x$with_tcp_wrappers = xno ; then
	echo "TCP wrappers disabled"
else
  AC_MSG_CHECKING([whether to use TCP wrappers])
  LIBWRAP_PATH=""
  for I in $LDFLAGS $LIBS -L/usr/lib; do
	case "$I" in
	-L*)
	THEFILE="`echo $I | sed -e 's,^-L,,'`"
	echo "From $I, checking in dir $THEFILE for libwrap.a" 1>&5
	if test -f $THEFILE/libwrap.a; then
		LIBWRAP_PATH=$THEFILE/libwrap.a
		echo "Found $LIBWRAP_PATH" 1>&5
		break
	fi
	esac
  done

  if test -n "$LIBWRAP_PATH"; then
        AC_MSG_RESULT(yes)
  else
        AC_MSG_RESULT(no)
  fi

  if test -n "$LIBWRAP_PATH"; then
	nm $LIBWRAP_PATH | grep 'T setenv' && LIBWRAP_PATH=""
	if test -z "$LIBWRAP_PATH"; then
		echo "*********************************************************"
	        echo " You have a broken TCP wrappers library (setenv included)"
		echo " Please get the latest TCP wrappers package from your OS"
		echo " vendor, or recompile TCP wrappers to not include a"
		echo " setenv() implementation."
		echo
		echo "Not using TCP wrappers after all."
		echo "*********************************************************"
	else
                AC_DEFINE(HAVE_TCPWRAPPERS)
	fi
  fi
  if test -n "$LIBWRAP_PATH"; then
	AC_CHECK_LIB(wrap, hosts_ctl, [
		     EXTRA_DAEMON_LIBS="$EXTRA_DAEMON_LIBS -lwrap"], [
		     EXTRA_DAEMON_LIBS="$EXTRA_DAEMON_LIBS $LIBWRAP_PATH"])
  fi

  dnl find out if we need -lnsl or whatever
  LIB_NSL=
  if test -n "$LIBWRAP_PATH"; then
        AC_MSG_CHECKING(whether -lwrap requires -lnsl)
        ORIG_LIBS="$LIBS"
        LIBS="-lwrap $LIBS"
        AC_TRY_LINK([
#include <tcpd.h>
int allow_severity, deny_severity;
], [return hosts_access;], ,[
dnl try with -lnsl
OLD_LIBS="$LIBS"
LIBS="$LIBS -lnsl"
AC_TRY_LINK([
#include <tcpd.h>
int allow_severity, deny_severity;
], [return hosts_access;], LIB_NSL="-lnsl",
LIBWRAP_PATH="")
LIBS="$OLD_LIBS"
])
        LIBS="$ORIG_LIBS"
	if test -n "$LIB_NSL"; then
        	AC_MSG_RESULT(yes)
        	EXTRA_DAEMON_LIBS="$EXTRA_DAEMON_LIBS $LIB_NSL"
	else
        	AC_MSG_RESULT(no)
	fi
  fi
fi

AC_MSG_CHECKING([for corrupt government])
AC_MSG_RESULT(yes)

dnl ## gdmopen building
dnl There are perhaps others where this works
GDMOPEN=
AC_CHECK_HEADERS(linux/vt.h, [
		 GDMOPEN=gdmopen])
AC_SUBST(GDMOPEN)

dnl ## Autentication scheme
have_pam=no
VRFY="verify-crypt"
if test x$enable_authentication_scheme != xcrypt -a \
	x$enable_authentication_scheme != xshadow ; then
	AC_CHECK_HEADERS(security/pam_appl.h, [
		have_pam=yes
        	EXTRA_DAEMON_LIBS="$EXTRA_DAEMON_LIBS -lpam"
        	VRFY="verify-pam"
        	AC_DEFINE(HAVE_PAM)])
fi

GDMASKPASS=
if test x$have_pam = xyes ; then
	AC_CHECK_HEADERS(security/pam_misc.h, [
			 GDMASKPASS=gdmaskpass])
fi
AC_SUBST(GDMASKPASS)

if test x$enable_authentication_scheme = xpam -a x$have_pam = xno ; then
	AC_MSG_ERROR(PAM support requested but not available)
fi

if test x$have_pam = xno; then

  # Check if -lcrypt is necessary, and if so
  # add it to the front of the link chain
  AC_CHECK_LIB(crypt, crypt, [
  	      EXTRA_DAEMON_LIBS="-lcrypt $EXTRA_DAEMON_LIBS"])

  # Check if crypt lives in a separate header file
  AC_CHECK_HEADERS(crypt.h, [
		AC_DEFINE(HAVE_CRYPT)])

  if test x$enable_authentication_scheme = xshadow ; then
  	VRFY="verify-shadow"
	AC_DEFINE(HAVE_SHADOW)
  elif test x$enable_authentication_scheme != xcrypt ; then
  	# Check for shadow passwords (hack)
  	AC_MSG_CHECKING("for /etc/shadow")

  	if test -f /etc/shadow; then
		VRFY="verify-shadow"
		AC_MSG_RESULT(yes)
		AC_DEFINE(HAVE_SHADOW)
  	else	
		AC_MSG_RESULT(no)
  	fi
  fi

fi

AC_SUBST(VRFY)

#
# Can we use BSD's setusercontext
#
AC_CHECK_HEADER(login_cap.h, [
		EXTRA_DAEMON_LIBS="$EXTRA_DAEMON_LIBS -lutil"
		AC_DEFINE(HAVE_LOGINCAP)])

#
# Check for sys/sockio.h
#
AC_CHECK_HEADERS(sys/sockio.h, [
		 AC_DEFINE(HAVE_SYS_SOCKIO_H)])


#
# Xdmcp checking
#
XDMCP_LIBS=""
if test x$with_xdmcp != xno ; then
	xdmcp_save_CPPFLAGS="$CPPFLAGS"
	CPPFLAGS="$CPPFLAGS $X_CFLAGS"
	AC_CHECK_HEADER(X11/Xdmcp.h, [
		AC_CHECK_LIB(Xdmcp, XdmcpFlush, [
		     	AC_DEFINE(HAVE_LIBXDMCP)
		     	XDMCP_LIBS="-lXdmcp"
		     	XDMCP_SUPPORT=yes],,[$X_LIBS -lX11 $X_EXTRA_LIBS])
	])

	if test x$with_xdmcp = xyes -a x$XDMCP_SUPPORT = x ; then
		AC_MSG_ERROR(XDMCP support requested but XDMCP libraries not found)
	fi
	CPPFLAGS="$xdmcp_save_CPPFLAGS"
fi
AC_SUBST(XDMCP_LIBS)

if test x$XDMCP_SUPPORT = xyes ; then
	AM_CONDITIONAL(XDMCP_SUPPORT, true)
	GDMCHOOSER=gdmchooser
	GDMXNESTCHOOSER=gdmXnestchooser
else
	AM_CONDITIONAL(XDMCP_SUPPORT, false)
	GDMCHOOSER=
	GDMXNESTCHOOSER=
fi
AC_SUBST(GDMCHOOSER)
AC_SUBST(GDMXNESTCHOOSER)

#
# X11 Xinerama extension
#
XINERAMA_LIBS=
if test x$with_xinerama != xno ; then
	AC_CHECK_HEADER(X11/extensions/Xinerama.h, [
		AC_CHECK_LIB(Xinerama, XineramaQueryScreens, [
		     	AC_DEFINE(HAVE_LIBXINERAMA)
		     	XINERAMA_LIBS="-lXinerama"
		     	XINERAMA_SUPPORT=yes],,$[X_LIBS -lX11 -lXext $X_EXTRA_LIBS])
	])

	if test x$with_xinerama = xyes -a x$XINERAMA_SUPPORT = x ; then
		AC_MSG_ERROR(Xinerama support requested but Xinerama libraries not found)
	fi
fi
AC_SUBST(XINERAMA_LIBS)

#
# Subst the extra libs
#
AC_SUBST(EXTRA_DAEMON_LIBS)

#
# Configuration file foo, we need to get expanded versions of a bunch of things
# if you actually know how to code shell then fix this :-) 
# Stolen mostly from GConf
#

DATADIR_TMP="$datadir"
EXPANDED_DATADIR=`eval echo $DATADIR_TMP`
AC_SUBST(EXPANDED_DATADIR)
AC_DEFINE_UNQUOTED(EXPANDED_DATADIR,"$EXPANDED_DATADIR")

PIXMAPDIR_TMP="$datadir/pixmaps"
EXPANDED_PIXMAPDIR=`eval echo $PIXMAPDIR_TMP`
AC_SUBST(EXPANDED_PIXMAPDIR)
AC_DEFINE_UNQUOTED(EXPANDED_PIXMAPDIR,"$EXPANDED_PIXMAPDIR")

BINDIR_TMP="$bindir"
EXPANDED_BINDIR=`eval echo $BINDIR_TMP`
AC_SUBST(EXPANDED_BINDIR)
AC_DEFINE_UNQUOTED(EXPANDED_BINDIR,"$EXPANDED_BINDIR")

SBINDIR_TMP="$sbindir"
EXPANDED_SBINDIR=`eval echo $SBINDIR_TMP`
AC_SUBST(EXPANDED_SBINDIR)
AC_DEFINE_UNQUOTED(EXPANDED_SBINDIR,"$EXPANDED_SBINDIR")

dnl This is where the binary actually resides,
dnl not the console helper link
if test "x$enable_console_helper" = "xyes"; then
	GDMCONFIGDIR_TMP="$sbindir"
else
	GDMCONFIGDIR_TMP="$bindir"
fi
EXPANDED_GDMCONFIGDIR=`eval echo $GDMCONFIGDIR_TMP`
AC_SUBST(EXPANDED_GDMCONFIGDIR)
AC_DEFINE_UNQUOTED(EXPANDED_GDMCONFIGDIR,"$EXPANDED_GDMCONFIGDIR")

LOCALEDIR_TMP="$sysconfdir/gdm"
EXPANDED_LOCALEDIR=`eval echo $LOCALEDIR_TMP`
AC_SUBST(EXPANDED_LOCALEDIR)
AC_DEFINE_UNQUOTED(EXPANDED_LOCALEDIR,"$EXPANDED_LOCALEDIR")

AUTHDIR_TMP="$localstatedir/gdm"
EXPANDED_AUTHDIR=`eval echo $AUTHDIR_TMP`
AC_SUBST(EXPANDED_AUTHDIR)
AC_DEFINE_UNQUOTED(EXPANDED_AUTHDIR,"$EXPANDED_AUTHDIR")

SYSCONFDIR_TMP="$sysconfdir"
EXPANDED_SYSCONFDIR=`eval echo $SYSCONFDIR_TMP`
AC_SUBST(EXPANDED_SYSCONFDIR)
AC_DEFINE_UNQUOTED(EXPANDED_SYSCONFDIR,"$EXPANDED_SYSCONFDIR")

SESSDIR_TMP="$sysconfdir/gdm/Sessions"
EXPANDED_SESSDIR=`eval echo $SESSDIR_TMP`
AC_SUBST(EXPANDED_SESSDIR)
AC_DEFINE_UNQUOTED(EXPANDED_SESSDIR,"$EXPANDED_SESSDIR")

## Stuff for debian/changelog.in
#if test -e "debian/changelog"; then
#  DEBIAN_DATESTAMP=`head -1 debian/changelog| sed -e 's/.*cvs.//' -e 's/).*//'`
#  DEBIAN_DATE=`grep '^ --' debian/changelog | head -1 | sed -e 's/.*  //'`
#else
#  DEBIAN_DATESTAMP=`date +%Y%m%d%H%M%s`
#  DEBIAN_DATE=`date -R`
#fi
#
#AC_SUBST(DEBIAN_DATESTAMP)
#AC_SUBST(DEBIAN_DATE)

prefix=$old_prefix
exec_prefix=$old_exec_prefix

AC_OUTPUT([
Makefile
daemon/Makefile
gui/Makefile
gui/greeter/Makefile
gui/greeter/themes/Makefile
gui/greeter/themes/circles/Makefile
gui/greeter/themes/happygnome/Makefile
utils/Makefile
pixmaps/Makefile
config/Makefile
po/Makefile.in
vicious-extensions/Makefile
config/gdm.conf
config/Gnome
config/Xsession
config/gnomerc
daemon/gdm
gdm-stop
gdm-restart
gdm-safe-restart
gdmsetup-security
gdm.spec
])

dnl add back when help comes back
dnl docs/Makefile
dnl docs/C/Makefile
dnl omf-install/Makefile

dnl <= Configuration summary =>

echo ""
echo "GDM2 configuration summary:"
echo "==========================="
echo ""

dnl <= CFLAGS and LDFLAGS =>
echo "CFLAGS : $CFLAGS"
echo "LDFLAGS : $LDFLAGS"
echo ""

dnl <= Prefixes =>
echo "prefix : $prefix"
echo "sysconf dir : "`eval echo $sysconfdir`
echo "bin dir : $EXPANDED_BINDIR"
echo "sbin dir : $EXPANDED_SBINDIR"
echo "PAM prefix : $PAM_PREFIX"
echo "data dir : "`eval echo $datadir`
echo ""

dnl <= TCP Wrappers support? =>
if test x"$LIBWRAP_PATH" = x ; then
	echo "TCP Wrappers support              : NO"
else
	echo "TCP Wrappers support              : YES"
fi

dnl <= XINERAMA =>
if test x"$XINERAMA_SUPPORT" = xyes ; then
	echo "Xinerama support                  : YES"
else
	echo "Xinerama support                  : NO"
fi

dnl <= XDMCP =>
if test x"$XDMCP_SUPPORT" = xyes ; then
	echo "XDMCP (remote login) support      : YES"
else
	echo "XDMCP (remote login) support      : NO"
fi

dnl <= Console Helper =>
if test "x$enable_console_helper" = "xyes"; then
	echo "Console helper                    : YES"
else
	echo "Console helper                    : NO"
fi


dnl <= Authentication scheme =>
echo "Authentication scheme             : $VRFY"

dnl <= Utils built =>
echo "Utilities built                   : "`echo $GDMOPEN $GDMASKPASS`

echo ""
dnl <= End of configuration summary =>