dnl
dnl GNOME_INIT_HOOK (script-if-gnome-enabled, failflag)
dnl
dnl if failflag is "fail" then GNOME_INIT_HOOK will abort if gnomeConf.sh
dnl is not found. 
dnl

AC_DEFUN([GNOME_INIT_HOOK],
[	
	AC_SUBST(GNOME_LIBS)
	AC_SUBST(GNOMEUI_LIBS)
	AC_SUBST(GNOMEGNORBA_LIBS)
	AC_SUBST(GTKXMHTML_LIBS)
	AC_SUBST(GNOME_APPLET_LIBS)
	AC_SUBST(GNOME_LIBDIR)
	AC_SUBST(GNOME_INCLUDEDIR)

	AC_ARG_WITH(gnome-includes,
	[  --with-gnome-includes   Specify location of GNOME headers],[
	CFLAGS="$CFLAGS -I$withval"
	])
	
	AC_ARG_WITH(gnome-libs,
	[  --with-gnome-libs       Specify location of GNOME libs],[
	LDFLAGS="$LDFLAGS -L$withval"
	gnome_prefix=$withval
	])

	AC_ARG_WITH(gnome,
	[  --with-gnome            Specify prefix for GNOME files],
		if test x$withval = xyes; then
	    		want_gnome=yes
	    		dnl Note that an empty true branch is not
			dnl valid sh syntax.
	    		ifelse([$1], [], :, [$1])
        	else
	    		if test "x$withval" = xno; then
	        		want_gnome=no
	    		else
	        		want_gnome=yes
	    			LDFLAGS="$LDFLAGS -L$withval/lib"
	    			CFLAGS="$CFLAGS -I$withval/include"
	    			gnome_prefix=$withval/lib
	    		fi
  		fi,
		want_gnome=yes)

	if test "x$want_gnome" = xyes; then

	    AC_PATH_PROG(GNOME_CONFIG,gnome-config,no)
	    if test "$GNOME_CONFIG" = "no"; then
	      no_gnome_config="yes"
	    else
	      AC_MSG_CHECKING(if $GNOME_CONFIG works)
	      if $GNOME_CONFIG --libs-only-l gnome >/dev/null 2>&1; then
	        AC_MSG_RESULT(yes)
	        GNOME_GNORBA_HOOK([],$2)
	        GNOME_LIBS="`$GNOME_CONFIG --libs-only-l gnome`"
	        GNOMEUI_LIBS="`$GNOME_CONFIG --libs-only-l gnomeui`"
	        GNOMEGNORBA_LIBS="`$GNOME_CONFIG --libs-only-l gnorba gnomeui`"
	        GTKXMHTML_LIBS="`$GNOME_CONFIG --libs-only-l gtkxmhtml`"
	        GNOME_APPLET_LIBS="`$GNOME_CONFIG --libs-only-l applets`"
	        GNOME_LIBDIR="`$GNOME_CONFIG --libs-only-L gnorba gnomeui`"
	        GNOME_INCLUDEDIR="`$GNOME_CONFIG --cflags gnorba gnomeui`"
                $1
	      else
	        AC_MSG_RESULT(no)
	        no_gnome_config="yes"
              fi
            fi

	    if test x$exec_prefix = xNONE; then
	        if test x$prefix = xNONE; then
		    gnome_prefix=$ac_default_prefix/lib
	        else
 		    gnome_prefix=$prefix/lib
	        fi
	    else
	        gnome_prefix=`eval echo \`echo $libdir\``
	    fi
	
	    if test "$no_gnome_config" = "yes"; then
              AC_MSG_CHECKING(for gnomeConf.sh file in $gnome_prefix)
	      if test -f $gnome_prefix/gnomeConf.sh; then
	        AC_MSG_RESULT(found)
	        echo "loading gnome configuration from" \
		     "$gnome_prefix/gnomeConf.sh"
	        . $gnome_prefix/gnomeConf.sh
	        $1
	      else
	        AC_MSG_RESULT(not found)
 	        if test x$2 = xfail; then
	          AC_MSG_ERROR(Could not find the gnomeConf.sh file that is generated by gnome-libs install)
 	        fi
	      fi
            fi
	fi
])

AC_DEFUN([GNOME_INIT],[
	GNOME_INIT_HOOK([],fail)
])

dnl
dnl GNOME_GNORBA_HOOK (script-if-gnorba-found, failflag)
dnl
dnl if failflag is "failure" it aborts if gnorba is not found.
dnl

AC_DEFUN([GNOME_GNORBA_HOOK],[
	GNOME_ORBIT_HOOK([],$2)
	AC_CACHE_CHECK([for gnorba libraries],gnome_cv_gnorba_found,[
		gnome_cv_gnorba_found=no
		if test x$gnome_cv_orbit_found = xyes; then
			GNORBA_CFLAGS="`gnome-config --cflags gnorba gnomeui`"
			GNORBA_LIBS="`gnome-config --libs gnorba gnomeui`"
			if test -n "$GNORBA_LIBS"; then
				gnome_cv_gnorba_found=yes
			fi
		fi
	])
	AM_CONDITIONAL(HAVE_GNORBA, test x$gnome_cv_gnorba_found = xyes)
	if test x$gnome_cv_orbit_found = xyes; then
		$1
		GNORBA_CFLAGS="`gnome-config --cflags gnorba gnomeui`"
		GNORBA_LIBS="`gnome-config --libs gnorba gnomeui`"
		AC_SUBST(GNORBA_CFLAGS)
		AC_SUBST(GNORBA_LIBS)
	else
	    	if test x$2 = xfailure; then
			AC_MSG_ERROR(gnorba library not installed or installation problem)
	    	fi
	fi
])

AC_DEFUN([GNOME_GNORBA_CHECK], [
	GNOME_GNORBA_HOOK([],failure)
])

dnl
dnl GNOME_ORBIT_HOOK (script-if-orbit-found, failflag)
dnl
dnl if failflag is "failure" it aborts if orbit is not found.
dnl

AC_DEFUN([GNOME_ORBIT_HOOK],[
	AC_PATH_PROG(ORBIT_CONFIG,orbit-config,no)
	AC_PATH_PROG(ORBIT_IDL,orbit-idl,no)
	AC_CACHE_CHECK([for working ORBit environment],gnome_cv_orbit_found,[
		if test x$ORBIT_CONFIG = xno -o x$ORBIT_IDL = xno; then
			gnome_cv_orbit_found=no
		else
			gnome_cv_orbit_found=yes
		fi
	])
	AM_CONDITIONAL(HAVE_ORBIT, test x$gnome_cv_orbit_found = xyes)
	if test x$gnome_cv_orbit_found = xyes; then
		$1
		ORBIT_CFLAGS=`orbit-config --cflags client server`
		ORBIT_LIBS=`orbit-config --use-service=name --libs client server`
		AC_SUBST(ORBIT_CFLAGS)
		AC_SUBST(ORBIT_LIBS)
	else
    		if test x$2 = xfailure; then
			AC_MSG_ERROR(ORBit not installed or installation problem)
    		fi
	fi
])

AC_DEFUN([GNOME_ORBIT_CHECK], [
	GNOME_ORBIT_HOOK([],failure)
])

AC_DEFUN(AM_CONDITIONAL,
[AC_SUBST($1_TRUE)
AC_SUBST($1_FALSE)
if $2; then
  $1_TRUE=
  $1_FALSE='#'
else
  $1_TRUE='#'
  $1_FALSE=
fi])