-AC_ARG_WITH(gui_tools, [ --with-gui-tools build the gui developer tools])
-if test x"$with_gui_tools" == x"yes" ; then
- PKG_CHECK_MODULES(GLADE_UI, libgladeui-1.0)
+
+dnl Checks needed for gnumeric reader
+gnm_support=yes;
+PKG_CHECK_MODULES(LIBXML2, libxml-2.0,,
+ [PSPP_OPTIONAL_PREREQ([libxml2]); gnm_support=no;]);
+AC_SEARCH_LIBS(gzopen,z,,[PSPP_OPTIONAL_PREREQ([zlib]); gnm_support=no;])
+AC_CHECK_HEADERS(zlib.h,,[PSPP_OPTIONAL_PREREQ([zlib]); gnm_support=no;])
+
+if test x"$gnm_support" = x"yes" ; then
+ AC_DEFINE([GNM_SUPPORT], 1,
+ [Define to 1 if building in support for reading Gnumeric files.])