+PKG_CHECK_MODULES(PREVIEWER, gtk+-2.0 >= $GTK_REQUIRED gthread-2.0 gio-2.0 >= $GLIB_REQUIRED)
+
+SHELL_PLATFORM_PKGS=
+case "$with_platform" in
+ hildon) AC_DEFINE([PLATFORM_HILDON],[1],[Define if building for the hildon platform])
+ SHELL_PLATFORM_PKGS="hildon-1 hildon-fm-2 libosso"
+ ;;
+ *) SHELL_PLATFORM_PKGS="gnome-icon-theme >= $GNOME_ICON_THEME_REQUIRED"
+ ;;
+esac
+
+PKG_CHECK_MODULES([SHELL_CORE],[libxml-2.0 >= $LIBXML_REQUIRED gtk+-2.0 >= $GTK_REQUIRED gio-2.0 >= $GLIB_REQUIRED gthread-2.0 $SHELL_PLATFORM_PKGS])
+
+# *********
+# SM client
+# *********
+
+GDK_TARGET="$($PKG_CONFIG --variable target gdk-2.0)"
+
+SMCLIENT_PKGS=
+AC_MSG_CHECKING([which smclient backend to use])
+AC_ARG_WITH([smclient],
+ [AS_HELP_STRING([--with-smclient-backend],[which smclient backend to use (no|xsmp|win32|quartz)])],
+ [],
+ [case "$GDK_TARGET" in
+ x11) case "$with_platform" in
+ gnome) with_smclient=xsmp SMCLIENT_PKGS="sm >= 1.0.0" ;;
+ *) with_smclient=no ;;
+ esac ;;
+ win32|quartz) with_smclient=$GDK_TARGET ;;
+ *) with_smclient=no ;;
+ esac])
+AC_MSG_RESULT([$with_smclient])
+
+if test "$with_smclient" != "no"; then
+ AC_DEFINE([WITH_SMCLIENT],[1],[Define if smclient is enabled])
+
+ PKG_CHECK_MODULES([SMCLIENT],[gtk+-2.0 gthread-2.0 $SMCLIENT_PKGS])
+ AC_SUBST([SMCLIENT_CFLAGS])
+ AC_SUBST([SMCLIENT_LIBS])
+fi
+
+AM_CONDITIONAL([WITH_SMCLIENT],[test "$with_smclient" != "no"])
+AM_CONDITIONAL([WITH_SMCLIENT_XSMP],[test "$with_smclient" = "xsmp"])
+AM_CONDITIONAL([WITH_SMCLIENT_WIN32],[test "$with_smclient" = "win32"])
+AM_CONDITIONAL([WITH_SMCLIENT_QUARTZ],[test "$with_smclient" = "quartz"])